/* roulang page: index */
:root {
            --brand-dark: #1A0F24;
            --brand-deep: #2D1045;
            --brand-primary: #4A1D6E;
            --brand-mid: #6B2FA0;
            --brand-light: #8B3FC8;
            --brand-soft: #F3EAFB;
            --accent: #E8A33D;
            --accent-dark: #C7861F;
            --accent-light: #F5C86B;
            --accent-soft: #FDF3E0;
            --bg: #FAF7F4;
            --card: #FFFFFF;
            --border: #E8E3DC;
            --text: #221A2A;
            --muted: #6E5F78;
            --faint: #9A8CA4;
            --radius-card: 12px;
            --radius-btn: 999px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 12px 32px rgba(74, 29, 110, 0.12);
            --shadow-btn-hover: 0 8px 24px rgba(74, 29, 110, 0.18);
            --font-body: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
            --font-display: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        main {
            flex: 1;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.5;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ::selection {
            background-color: var(--brand-primary);
            color: #fff;
        }

        .container {
            max-width: var(--site, 1200px);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }

        /* 导航栏 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(250, 247, 244, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(26, 15, 36, 0.06);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }

        .logo {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.4rem;
            letter-spacing: 0.02em;
            color: var(--brand-primary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-mid));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--muted);
            white-space: nowrap;
            padding: 6px 12px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--brand-primary);
            background: var(--brand-soft);
        }

        .nav-links a.active {
            color: var(--brand-primary);
            background: var(--brand-soft);
            font-weight: 600;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--brand-primary);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-cta .btn-primary {
            padding: 8px 20px;
            font-size: 0.9rem;
        }

        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: var(--card);
            color: var(--brand-primary);
            font-size: 1.5rem;
            transition: all var(--transition);
        }

        .hamburger:hover {
            background: var(--brand-soft);
            border-color: var(--brand-mid);
        }

        .mobile-menu {
            display: none;
            background: var(--brand-deep);
            padding: 16px 24px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            color: #E5D9F0;
            font-size: 1rem;
            font-weight: 500;
            border-radius: 8px;
            transition: all var(--transition);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(139, 63, 200, 0.25);
            color: #fff;
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--brand-primary);
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            transition: all var(--transition);
            border: 2px solid var(--brand-primary);
            text-align: center;
        }

        .btn-primary:hover {
            background: var(--brand-mid);
            border-color: var(--brand-mid);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        .btn-primary:focus-visible {
            outline: 3px solid var(--brand-light);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--brand-primary);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            transition: all var(--transition);
            border: 2px solid var(--brand-primary);
            text-align: center;
        }

        .btn-secondary:hover {
            background: var(--brand-soft);
            border-color: var(--brand-mid);
            color: var(--brand-mid);
        }

        .btn-secondary:active {
            transform: translateY(1px);
        }

        .btn-secondary:focus-visible {
            outline: 3px solid var(--brand-light);
            outline-offset: 2px;
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: #1A0F24;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            transition: all var(--transition);
            border: 2px solid var(--accent);
            text-align: center;
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            box-shadow: 0 8px 24px rgba(232, 163, 61, 0.25);
            transform: translateY(-1px);
        }

        .btn-accent:active {
            transform: translateY(1px);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: #E5D9F0;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            transition: all var(--transition);
            border: 2px solid rgba(255, 255, 255, 0.3);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }

        /* 标签 */
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: var(--radius-btn);
            font-size: 0.82rem;
            font-weight: 500;
            background: var(--brand-soft);
            color: var(--brand-primary);
            white-space: nowrap;
        }

        .tag-accent {
            background: var(--accent-soft);
            color: var(--accent-dark);
        }

        .tag-dark {
            background: rgba(139, 63, 200, 0.2);
            color: #D8B8F0;
        }

        /* 卡片 */
        .card-base {
            background: var(--card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 28px;
            transition: all var(--transition);
        }

        .card-base:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(74, 29, 110, 0.18);
            transform: translateY(-3px);
        }

        /* Hero */
        .hero-section {
            position: relative;
            padding: 80px 0 100px;
            overflow: hidden;
            background: var(--brand-deep);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(125deg, rgba(26, 15, 36, 0.92) 0%, rgba(45, 16, 69, 0.82) 40%, rgba(74, 29, 110, 0.6) 70%, rgba(26, 15, 36, 0.9) 100%);
            z-index: 1;
        }

        .hero-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 48px;
            align-items: center;
            min-height: 460px;
        }

        .hero-text h1 {
            font-family: var(--font-display);
            font-size: 3rem;
            font-weight: 700;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.01em;
        }

        .hero-text .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.9;
            margin-bottom: 30px;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 30px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-item .stat-num {
            font-family: var(--font-display);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--accent-light);
        }

        .hero-stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }

        .hero-panel {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 32px;
            position: relative;
            z-index: 2;
        }

        .hero-panel .panel-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-panel .panel-progress {
            margin-bottom: 20px;
        }

        .panel-progress-bar {
            width: 100%;
            height: 8px;
            border-radius: 4px;
            background: rgba(255, 255, 255, 0.15);
            overflow: hidden;
            margin-top: 8px;
        }

        .panel-progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--accent), var(--accent-light));
            border-radius: 4px;
            transition: width 0.6s ease;
        }

        .panel-users {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
        }

        .panel-avatars {
            display: flex;
            gap: -8px;
        }

        .panel-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.4);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: #fff;
            font-weight: 600;
            flex-shrink: 0;
        }

        .panel-avatar:nth-child(1) {
            background: #B85C3C;
        }
        .panel-avatar:nth-child(2) {
            background: #3C6BB8;
        }
        .panel-avatar:nth-child(3) {
            background: #3C9B6B;
        }
        .panel-avatar:nth-child(4) {
            background: #9B3C8A;
        }

        .panel-user-count {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.9rem;
        }

        /* 滚动轨道 */
        .track-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding-bottom: 12px;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--brand-mid) transparent;
        }

        .track-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .track-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .track-scroll::-webkit-scrollbar-thumb {
            background: var(--brand-mid);
            border-radius: 3px;
        }

        .track-scroll .track-card {
            flex: 0 0 300px;
            scroll-snap-align: start;
        }

        /* 热门推荐大卡 */
        .hot-large-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            overflow: hidden;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            background: var(--card);
            transition: all var(--transition);
        }

        .hot-large-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(74, 29, 110, 0.2);
            transform: translateY(-3px);
        }

        .hot-large-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 260px;
        }

        .hot-large-card .hot-content {
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        /* 套餐卡片 */
        .plan-card {
            position: relative;
            padding: 32px 28px;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            background: var(--card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .plan-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .plan-card.recommended {
            border-color: var(--brand-primary);
            background: linear-gradient(180deg, #FAF5FF 0%, #FFFFFF 60%);
            box-shadow: 0 8px 32px rgba(74, 29, 110, 0.1);
        }

        .plan-card .plan-badge {
            position: absolute;
            top: -12px;
            right: 24px;
            background: var(--accent);
            color: #1A0F24;
            font-weight: 700;
            font-size: 0.78rem;
            padding: 4px 14px;
            border-radius: 20px;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            background: var(--card);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(74, 29, 110, 0.2);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text);
            transition: all var(--transition);
            user-select: none;
            -webkit-user-select: none;
        }

        .faq-question:hover {
            color: var(--brand-primary);
            background: var(--brand-soft);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--brand-soft);
            color: var(--brand-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--brand-primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--muted);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        /* 表单 */
        .form-input {
            width: 100%;
            padding: 12px 18px;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: #F8F6F3;
            color: var(--text);
            font-size: 1rem;
            transition: all var(--transition);
        }

        .form-input:focus {
            outline: 3px solid rgba(74, 29, 110, 0.15);
            border-color: var(--brand-mid);
            background: #fff;
        }

        .form-input::placeholder {
            color: var(--faint);
        }

        /* 页脚 */
        .site-footer {
            background: var(--brand-dark);
            color: #B8A6C8;
            padding: 60px 0 30px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand-name {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.8;
            color: #B8A6C8;
            margin-bottom: 16px;
        }

        .footer-links h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            color: #B8A6C8;
            font-size: 0.9rem;
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: #8A7698;
        }

        .footer-bottom a {
            color: #B8A6C8;
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-text h1 {
                font-size: 2.4rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .hot-large-card {
                grid-template-columns: 1fr;
            }

            .hot-large-card img {
                min-height: 200px;
                max-height: 280px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .nav-cta .btn-primary {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .hero-section {
                padding: 48px 0 72px;
            }

            .hero-content {
                grid-template-columns: 1fr;
                gap: 24px;
                min-height: auto;
            }

            .hero-text h1 {
                font-size: 1.9rem;
                line-height: 1.3;
            }

            .hero-text .hero-subtitle {
                font-size: 1rem;
            }

            .hero-stats {
                gap: 16px;
            }

            .hero-stat-item .stat-num {
                font-size: 1.3rem;
            }

            .hero-panel {
                padding: 20px;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .card-base {
                padding: 20px;
            }

            .track-scroll .track-card {
                flex: 0 0 250px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }

            .btn-primary,
            .btn-secondary,
            .btn-accent {
                padding: 10px 20px;
                font-size: 0.9rem;
                width: 100%;
                max-width: 280px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
                max-width: 280px;
            }
        }

        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.6rem;
            }

            .hero-panel .panel-title {
                font-size: 0.95rem;
            }

            .hero-stats {
                flex-direction: column;
                gap: 12px;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .hot-large-card .hot-content {
                padding: 20px;
            }
        }

        .section-title {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.35;
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--muted);
            line-height: 1.8;
            max-width: 640px;
            margin-bottom: 32px;
        }

        .section-header {
            margin-bottom: 36px;
        }

        .dark-bg {
            background: var(--brand-deep);
            color: #fff;
        }
        .dark-bg .section-title {
            color: #fff;
        }
        .dark-bg .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        .news-item {
            display: grid;
            grid-template-columns: 100px 1fr auto;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
            align-items: start;
        }

        .news-item:last-child {
            border-bottom: none;
        }

        .news-item:hover {
            padding-left: 8px;
        }

        .news-date {
            font-family: var(--font-display);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--brand-primary);
            white-space: nowrap;
            padding-top: 4px;
        }

        .news-content h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text);
        }

        .news-content p {
            font-size: 0.9rem;
            color: var(--muted);
            line-height: 1.7;
        }

        .news-item .btn-read {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--brand-primary);
            white-space: nowrap;
            padding: 8px 16px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border);
            transition: all var(--transition);
            background: var(--card);
        }

        .news-item .btn-read:hover {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
        }

        @media (max-width: 768px) {
            .news-item {
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .news-item .btn-read {
                display: inline-block;
                margin-top: 4px;
            }
        }

/* roulang page: category2 */
:root {
            --brand-dark: #1A0F24;
            --brand-deep: #2D1045;
            --brand-primary: #4A1D6E;
            --brand-mid: #6B2FA0;
            --brand-light: #8B3FC8;
            --brand-soft: #F3EAFB;
            --accent: #E8A33D;
            --accent-dark: #C7861F;
            --accent-light: #F5C86B;
            --accent-soft: #FDF3E0;
            --bg: #FAF7F4;
            --card: #FFFFFF;
            --border: #E8E3DC;
            --text: #221A2A;
            --muted: #6E5F78;
            --faint: #9A8CA4;
            --radius-card: 12px;
            --radius-btn: 999px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 12px 32px rgba(74, 29, 110, 0.12);
            --shadow-btn-hover: 0 8px 24px rgba(74, 29, 110, 0.18);
            --font-body: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
            --font-display: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        main {
            flex: 1;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.5;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(250, 247, 244, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(26, 15, 36, 0.06);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }

        .logo {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.4rem;
            letter-spacing: 0.02em;
            color: var(--brand-primary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-mid));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--muted);
            white-space: nowrap;
            padding: 6px 12px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--brand-primary);
            background: var(--brand-soft);
        }

        .nav-links a.active {
            color: var(--brand-primary);
            background: var(--brand-soft);
            font-weight: 600;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--brand-primary);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-cta .btn-primary {
            padding: 8px 20px;
            font-size: 0.9rem;
        }

        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: var(--card);
            color: var(--brand-primary);
            font-size: 1.5rem;
            transition: all var(--transition);
        }

        .hamburger:hover {
            background: var(--brand-soft);
            border-color: var(--brand-mid);
        }

        .mobile-menu {
            display: none;
            background: var(--brand-deep);
            padding: 16px 24px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 1rem;
            font-weight: 500;
            border-radius: 10px;
            transition: all var(--transition);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--brand-primary);
            color: #fff;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            border: 2px solid var(--brand-primary);
        }

        .btn-primary:hover {
            background: var(--brand-deep);
            border-color: var(--brand-deep);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--brand-primary);
            padding: 10px 26px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            border: 2px solid var(--brand-mid);
        }

        .btn-secondary:hover {
            background: var(--brand-soft);
            border-color: var(--brand-primary);
        }

        .btn-secondary:active {
            transform: translateY(1px);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--faint);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--brand-light);
            font-weight: 500;
        }

        .breadcrumb a:hover {
            color: var(--brand-primary);
        }

        .breadcrumb .sep {
            color: var(--faint);
        }

        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
        }

        .hero-cat {
            background: linear-gradient(135deg, var(--brand-deep) 0%, var(--brand-primary) 50%, var(--brand-mid) 100%);
            padding: 70px 0 80px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hero-cat::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            pointer-events: none;
        }

        .hero-cat::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 15, 36, 0.75) 0%, rgba(74, 29, 110, 0.55) 50%, rgba(107, 47, 160, 0.4) 100%);
            pointer-events: none;
        }

        .hero-cat .container {
            position: relative;
            z-index: 2;
        }

        .hero-cat h1 {
            font-size: clamp(2rem, 4.5vw, 3.25rem);
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            letter-spacing: 0.01em;
            margin-bottom: 16px;
            font-family: var(--font-display);
        }

        .hero-cat .hero-sub {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.82);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .hero-cat .breadcrumb {
            color: rgba(255, 255, 255, 0.6);
        }

        .hero-cat .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
        }

        .hero-cat .breadcrumb a:hover {
            color: var(--accent-light);
        }

        .hero-cat .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.5);
        }

        .hero-cat .breadcrumb .current {
            color: var(--accent-light);
        }

        .hero-cat .hero-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .hero-cat .hero-tag {
            font-size: 0.8rem;
            padding: 4px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.14);
            color: rgba(255, 255, 255, 0.9);
            border: 1px solid rgba(255, 255, 255, 0.22);
            backdrop-filter: blur(6px);
            font-weight: 500;
        }

        .section-pad {
            padding: 70px 0;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .section-head h2 {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 700;
            color: var(--brand-deep);
            line-height: 1.35;
            font-family: var(--font-display);
        }

        .section-head .section-desc {
            color: var(--muted);
            font-size: 1rem;
            max-width: 560px;
        }

        .content-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .content-card {
            background: var(--card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--brand-light);
            transform: translateY(-2px);
        }

        .content-card .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
        }

        .content-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .content-card:hover .card-img img {
            transform: scale(1.04);
        }

        .content-card .card-body {
            padding: 24px 28px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .content-card .card-date {
            font-size: 0.8rem;
            color: var(--faint);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .content-card .card-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--brand-deep);
            line-height: 1.4;
            margin-bottom: 10px;
            transition: color var(--transition);
            font-family: var(--font-display);
        }

        .content-card:hover .card-title {
            color: var(--brand-primary);
        }

        .content-card .card-summary {
            font-size: 0.95rem;
            color: var(--muted);
            line-height: 1.75;
            margin-bottom: 16px;
            flex: 1;
        }

        .content-card .card-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        .content-card .card-tag {
            font-size: 0.75rem;
            padding: 3px 12px;
            border-radius: 999px;
            background: var(--brand-soft);
            color: var(--brand-primary);
            font-weight: 600;
            border: 1px solid rgba(107, 47, 160, 0.18);
        }

        .content-card .read-more {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--brand-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
            align-self: flex-start;
        }

        .content-card .read-more:hover {
            color: var(--brand-deep);
            gap: 10px;
        }

        .content-card.featured {
            border-left: 4px solid var(--accent);
            background: #fff;
        }

        .content-card.featured .card-title {
            font-size: 1.35rem;
        }

        .rec-section {
            background: var(--brand-soft);
            border-radius: var(--radius-card);
            border: 1px solid rgba(107, 47, 160, 0.12);
            padding: 32px;
            margin-top: 40px;
        }

        .rec-section h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--brand-deep);
            margin-bottom: 20px;
            font-family: var(--font-display);
        }

        .rec-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 20px;
        }

        .rec-card {
            display: flex;
            gap: 16px;
            background: var(--card);
            border-radius: 10px;
            border: 1px solid var(--border);
            padding: 16px;
            transition: all var(--transition);
            align-items: center;
        }

        .rec-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--brand-light);
            transform: translateY(-2px);
        }

        .rec-card img {
            width: 96px;
            height: 72px;
            object-fit: cover;
            border-radius: 8px;
            flex-shrink: 0;
        }

        .rec-card .rec-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--brand-deep);
            margin-bottom: 4px;
            line-height: 1.4;
            font-family: var(--font-display);
        }

        .rec-card .rec-info p {
            font-size: 0.8rem;
            color: var(--faint);
            line-height: 1.5;
        }

        .faq-section {
            background: #fff;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 40px;
            box-shadow: var(--shadow-card);
        }

        .faq-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--brand-deep);
            margin-bottom: 28px;
            font-family: var(--font-display);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 4px 0;
        }

        .faq-item:last-child {
            border-bottom: none;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 0;
            cursor: pointer;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            transition: color var(--transition);
            user-select: none;
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            color: var(--brand-primary);
        }

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--brand-soft);
            color: var(--brand-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
            transition: all var(--transition);
        }

        .faq-item.open .faq-question {
            color: var(--brand-primary);
        }

        .faq-item.open .faq-icon {
            background: var(--brand-primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding-right: 40px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer p {
            padding: 0 0 18px;
            color: var(--muted);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        .cta-section {
            background: linear-gradient(135deg, var(--brand-deep) 0%, var(--brand-primary) 60%, var(--brand-mid) 100%);
            border-radius: var(--radius-card);
            padding: 50px 40px;
            position: relative;
            overflow: hidden;
            color: #fff;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            pointer-events: none;
        }

        .cta-section .container-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
            justify-content: space-between;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            font-family: var(--font-display);
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.82);
            font-size: 1rem;
            max-width: 480px;
            line-height: 1.8;
        }

        .cta-section .btn-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--brand-primary);
            padding: 12px 30px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition);
            white-space: nowrap;
            border: 2px solid transparent;
        }

        .cta-section .btn-white:hover {
            background: var(--accent-soft);
            color: var(--accent-dark);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
            transform: translateY(-1px);
        }

        .form-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 32px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            max-width: 520px;
            width: 100%;
        }

        .form-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--brand-deep);
            margin-bottom: 20px;
            font-family: var(--font-display);
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--muted);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: #FAF7F4;
            font-size: 0.95rem;
            transition: all var(--transition);
            color: var(--text);
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--brand-mid);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(107, 47, 160, 0.1);
        }

        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }

        .btn-submit {
            width: 100%;
            padding: 14px;
            background: var(--brand-primary);
            color: #fff;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition);
            border: 2px solid var(--brand-primary);
        }

        .btn-submit:hover {
            background: var(--brand-deep);
            border-color: var(--brand-deep);
            box-shadow: var(--shadow-btn-hover);
        }

        .btn-submit:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 28px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            font-family: var(--font-display);
        }

        .footer-desc {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-links h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.55);
            align-items: center;
            justify-content: space-between;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        @media screen and (max-width: 1024px) {
            .nav-links {
                gap: 18px;
            }
            .nav-links a {
                font-size: 0.88rem;
                padding: 5px 8px;
            }
            .content-card .card-body {
                padding: 20px 22px 24px;
            }
            .faq-section,
            .cta-section {
                padding: 32px 28px;
            }
        }

        @media screen and (max-width: 768px) {
            .nav-container {
                height: 60px;
            }
            .nav-cta {
                display: none;
            }
            .ham-wrapper {
                display: flex;
                align-items: center;
            }
            .hamburger {
                display: inline-flex;
            }
            .nav-links {
                display: none;
            }
            .mobile-menu ul {
                display: flex;
            }
            .hero-cat {
                padding: 48px 0 56px;
            }
            .hero-cat h1 {
                font-size: 1.7rem;
            }
            .hero-cat .hero-sub {
                font-size: 0.95rem;
            }
            .section-pad {
                padding: 48px 0;
            }
            .section-head h2 {
                font-size: 1.4rem;
            }
            .content-card .card-body {
                padding: 18px 18px 22px;
            }
            .content-card .card-title {
                font-size: 1.05rem;
            }
            .rec-grid {
                grid-template-columns: 1fr;
            }
            .faq-section {
                padding: 24px 20px;
            }
            .faq-question {
                font-size: 0.95rem;
            }
            .cta-section {
                padding: 28px 20px;
            }
            .cta-section .container-inner {
                gap: 20px;
            }
            .cta-section h2 {
                font-size: 1.35rem;
            }
            .form-card {
                padding: 24px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media screen and (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-cat h1 {
                font-size: 1.4rem;
            }
            .logo {
                font-size: 1.15rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .content-card .card-body {
                padding: 16px;
            }
            .rec-card {
                flex-direction: column;
                align-items: flex-start;
            }
            .rec-card img {
                width: 100%;
                height: 120px;
                object-fit: cover;
            }
            .faq-answer {
                padding-right: 0;
            }
        }

/* roulang page: category3 */
:root {
            --brand-dark: #1A0F24;
            --brand-deep: #2D1045;
            --brand-primary: #4A1D6E;
            --brand-mid: #6B2FA0;
            --brand-light: #8B3FC8;
            --brand-soft: #F3EAFB;
            --accent: #E8A33D;
            --accent-dark: #C7861F;
            --accent-light: #F5C86B;
            --accent-soft: #FDF3E0;
            --bg: #FAF7F4;
            --card: #FFFFFF;
            --border: #E8E3DC;
            --text: #221A2A;
            --muted: #6E5F78;
            --faint: #9A8CA4;
            --radius-card: 12px;
            --radius-btn: 999px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 12px 32px rgba(74, 29, 110, 0.12);
            --shadow-btn-hover: 0 8px 24px rgba(74, 29, 110, 0.18);
            --font-body: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
            --font-display: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        main {
            flex: 1;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.5;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }

        /* 导航栏 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(250, 247, 244, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(26, 15, 36, 0.06);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }

        .logo {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.4rem;
            letter-spacing: 0.02em;
            color: var(--brand-primary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-mid));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 18px;
            list-style: none;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--muted);
            white-space: nowrap;
            padding: 6px 12px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--brand-primary);
            background: var(--brand-soft);
        }

        .nav-links a.active {
            color: var(--brand-primary);
            background: var(--brand-soft);
            font-weight: 600;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--brand-primary);
        }

        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: var(--card);
            color: var(--brand-primary);
            font-size: 1.5rem;
            transition: all var(--transition);
        }

        .hamburger:hover {
            background: var(--brand-soft);
            border-color: var(--brand-mid);
        }

        .mobile-menu {
            display: none;
            background: var(--brand-deep);
            padding: 16px 24px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin: 0;
            padding: 0;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            border-radius: 10px;
            transition: all var(--transition);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--brand-primary);
            color: #fff;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            box-shadow: 0 2px 8px rgba(74, 29, 110, 0.15);
            border: 2px solid transparent;
        }

        .btn-primary:hover {
            background: var(--brand-deep);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(74, 29, 110, 0.15);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--brand-primary);
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid var(--brand-primary);
            transition: all var(--transition);
        }

        .btn-secondary:hover {
            background: var(--brand-soft);
            border-color: var(--brand-mid);
        }

        .btn-secondary:active {
            transform: translateY(1px);
        }

        .btn-primary:focus-visible,
        .btn-secondary:focus-visible {
            outline: 3px solid var(--accent-light);
            outline-offset: 2px;
        }

        /* 面包屑 */
        .breadcrumb {
            padding: 28px 0 0;
        }

        .breadcrumb .container {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--muted);
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--brand-primary);
        }

        .breadcrumb .separator {
            color: var(--faint);
            user-select: none;
        }

        .breadcrumb .current {
            color: var(--brand-primary);
            font-weight: 500;
        }

        /* Hero 分类页 */
        .category-hero {
            position: relative;
            padding: 60px 0 80px;
            background:
                linear-gradient(135deg, rgba(26, 15, 36, 0.92) 0%, rgba(45, 16, 69, 0.88) 45%, rgba(74, 29, 110, 0.82) 100%),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            border-radius: 0 0 32px 32px;
            overflow: hidden;
            color: #fff;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(232, 163, 61, 0.15);
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: 20%;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(139, 63, 200, 0.25);
            pointer-events: none;
        }

        .category-hero-grid {
            display: grid;
            grid-template-columns: 1fr 420px;
            gap: 56px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232, 163, 61, 0.2);
            border: 1px solid rgba(232, 163, 61, 0.4);
            color: var(--accent-light);
            padding: 6px 16px;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
        }

        .hero-badge i {
            font-size: 0.9rem;
        }

        .category-hero h1 {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 700;
            line-height: 1.3;
            color: #fff;
            margin: 0 0 20px;
            letter-spacing: 0.01em;
        }

        .category-hero .hero-desc {
            font-size: 1.1rem;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 32px;
            max-width: 540px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-actions .btn-primary {
            background: var(--accent);
            color: var(--text);
            box-shadow: 0 4px 16px rgba(232, 163, 61, 0.3);
        }

        .hero-actions .btn-primary:hover {
            background: var(--accent-dark);
            box-shadow: var(--shadow-btn-hover);
        }

        .hero-actions .btn-secondary {
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
        }

        .hero-actions .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

        .hero-visual {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 20px 48px rgba(0, 0, 0, 0.35);
        }

        .hero-visual img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }

        .hero-heat-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: rgba(26, 15, 36, 0.75);
            backdrop-filter: blur(8px);
            color: var(--accent-light);
            padding: 8px 16px;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
            border: 1px solid rgba(232, 163, 61, 0.4);
        }

        /* 板块通用 */
        .section {
            padding: 72px 0;
        }

        .section-head {
            margin-bottom: 40px;
        }

        .section-head h2 {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text);
            margin: 0 0 12px;
            letter-spacing: 0.01em;
        }

        .section-head .section-sub {
            font-size: 1.05rem;
            color: var(--muted);
            max-width: 640px;
            line-height: 1.85;
        }

        /* 卡片 */
        .card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px;
            transition: all var(--transition);
        }

        .card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--brand-mid);
        }

        /* 服务非对称布局 */
        .service-grid-asymmetric {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 32px;
        }

        .service-main-card {
            background: var(--brand-deep);
            color: #fff;
            border-radius: var(--radius-card);
            padding: 36px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            min-height: 320px;
            display: flex;
            flex-direction: column;
        }

        .service-main-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 16px 0 12px;
            color: #fff;
        }

        .service-main-card p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
            line-height: 1.9;
            flex: 1;
        }

        .service-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            flex-shrink: 0;
        }

        .service-icon.purple {
            background: rgba(139, 63, 200, 0.25);
            color: var(--brand-light);
        }

        .service-icon.gold {
            background: rgba(232, 163, 61, 0.25);
            color: var(--accent-light);
        }

        .service-mini-cards {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .service-mini-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }

        .service-mini-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--brand-mid);
            transform: translateX(4px);
        }

        .service-mini-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 6px;
        }

        .service-mini-card p {
            font-size: 0.9rem;
            color: var(--muted);
            line-height: 1.7;
            margin: 0;
        }

        /* 场景标签 */
        .scene-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .scene-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--card);
            border: 1px solid var(--border);
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text);
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }

        .scene-tag:hover {
            background: var(--brand-soft);
            border-color: var(--brand-mid);
            color: var(--brand-primary);
            transform: translateY(-2px);
        }

        .scene-tag .emoji {
            font-size: 1.1rem;
        }

        /* 流程 */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .step-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            position: relative;
        }

        .step-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--brand-mid);
            transform: translateY(-4px);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-mid));
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .step-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin: 0 0 8px;
        }

        .step-card p {
            font-size: 0.9rem;
            color: var(--muted);
            margin: 0;
            line-height: 1.7;
        }

        /* 活动卡片列表 */
        .event-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .event-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .event-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--brand-mid);
        }

        .event-card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

        .event-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .event-card:hover .event-card-img img {
            transform: scale(1.05);
        }

        .event-card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(26, 15, 36, 0.75);
            backdrop-filter: blur(6px);
            color: #fff;
            padding: 5px 14px;
            border-radius: var(--radius-btn);
            font-size: 0.8rem;
            font-weight: 500;
            z-index: 2;
        }

        .event-card-body {
            padding: 22px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .event-card-date {
            font-size: 0.85rem;
            color: var(--accent-dark);
            font-weight: 500;
            margin-bottom: 8px;
            letter-spacing: 0.04em;
        }

        .event-card-body h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 0 0 10px;
            line-height: 1.45;
            transition: color var(--transition);
        }

        .event-card:hover .event-card-body h3 {
            color: var(--brand-primary);
        }

        .event-card-body p {
            font-size: 0.9rem;
            color: var(--muted);
            line-height: 1.75;
            margin: 0 0 16px;
            flex: 1;
        }

        .event-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--brand-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }

        .event-link:hover {
            color: var(--accent-dark);
            gap: 10px;
        }

        /* 数据优势 */
        .stats-section {
            background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand-deep) 50%, var(--brand-primary) 100%);
            padding: 72px 0;
            border-radius: 32px;
            margin-top: 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stat-item {
            padding: 20px;
        }

        .stat-number {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-number .suffix {
            font-size: 1.6rem;
            color: var(--accent-light);
        }

        .stat-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 860px;
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--brand-mid);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            transition: all var(--transition);
            cursor: pointer;
            border-radius: var(--radius-card);
        }

        .faq-question:hover {
            color: var(--brand-primary);
            background: var(--brand-soft);
        }

        .faq-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--brand-soft);
            color: var(--brand-primary);
            font-size: 1.2rem;
            flex-shrink: 0;
            transition: all var(--transition);
            font-weight: 700;
        }

        .faq-item.active .faq-icon {
            background: var(--brand-primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--muted);
            line-height: 1.85;
            display: none;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        /* CTA 表单 */
        .cta-section {
            background: var(--brand-soft);
            padding: 72px 0;
            border-radius: 32px;
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .cta-info h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 0 0 12px;
            line-height: 1.4;
            color: var(--text);
        }

        .cta-info p {
            font-size: 1rem;
            color: var(--muted);
            line-height: 1.85;
            margin: 0;
        }

        .form-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px;
            box-shadow: var(--shadow-card);
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text);
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: 10px;
            background: var(--bg);
            font-size: 0.95rem;
            transition: all var(--transition);
            color: var(--text);
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--brand-primary);
            outline: 3px solid rgba(74, 29, 110, 0.12);
            background: #fff;
        }

        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }

        .form-submit {
            width: 100%;
            padding: 14px 28px;
            background: var(--brand-primary);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            box-shadow: 0 2px 8px rgba(74, 29, 110, 0.15);
            border: 2px solid transparent;
        }

        .form-submit:hover {
            background: var(--brand-deep);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
        }

        .form-submit:active {
            transform: translateY(1px);
        }

        .form-submit:focus-visible {
            outline: 3px solid var(--accent-light);
            outline-offset: 2px;
        }

        /* 推荐横卡 */
        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .recommend-card {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 16px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

        .recommend-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--brand-mid);
            transform: translateY(-2px);
        }

        .recommend-card img {
            width: 64px;
            height: 64px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .recommend-card h4 {
            font-size: 0.9rem;
            font-weight: 600;
            margin: 0 0 4px;
            line-height: 1.4;
            transition: color var(--transition);
        }

        .recommend-card:hover h4 {
            color: var(--brand-primary);
        }

        .recommend-card p {
            font-size: 0.8rem;
            color: var(--faint);
            margin: 0;
        }

        /* 页脚 */
        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 24px;
            margin-top: 72px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand-name {
            font-family: var(--font-display);
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            max-width: 360px;
        }

        .footer-links h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin: 0 0 16px;
        }

        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            transition: all var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
            align-items: center;
            justify-content: space-between;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        .footer-bottom .footer-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            align-items: center;
        }

        /* 响应式 */
        @media (max-width: 1023px) {
            .category-hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-visual img {
                height: 260px;
            }
            .service-grid-asymmetric {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }
            .event-list {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .recommend-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767px) {
            .nav-links {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .nav-container {
                height: 60px;
            }
            .logo {
                font-size: 1.2rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
            }
            .category-hero {
                padding: 40px 0 56px;
                border-radius: 0 0 24px 24px;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero .hero-desc {
                font-size: 0.95rem;
            }
            .hero-actions {
                flex-direction: column;
                gap: 12px;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
            }
            .section {
                padding: 48px 0;
            }
            .section-head h2 {
                font-size: 1.5rem;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .recommend-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .card {
                padding: 20px;
            }
            .service-main-card {
                padding: 24px;
                min-height: auto;
            }
            .faq-question {
                font-size: 0.95rem;
                padding: 16px 18px;
            }
            .faq-answer {
                padding: 0 18px 16px;
                font-size: 0.9rem;
            }
            .form-card {
                padding: 24px;
            }
            .breadcrumb {
                padding: 20px 0 0;
            }
        }

        @media (min-width: 768px) and (max-width: 1023px) {
            .nav-links {
                gap: 10px;
            }
            .nav-links a {
                font-size: 0.82rem;
                padding: 6px 8px;
            }
            .service-grid-asymmetric {
                grid-template-columns: 1fr;
            }
            .event-list {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .hero-badge {
                font-size: 0.75rem;
                padding: 5px 12px;
            }
        }

/* roulang page: category1 */
:root {
            --brand-dark: #1A0F24;
            --brand-deep: #2D1045;
            --brand-primary: #4A1D6E;
            --brand-mid: #6B2FA0;
            --brand-light: #8B3FC8;
            --brand-soft: #F3EAFB;
            --accent: #E8A33D;
            --accent-dark: #C7861F;
            --accent-light: #F5C86B;
            --accent-soft: #FDF3E0;
            --bg: #FAF7F4;
            --card: #FFFFFF;
            --border: #E8E3DC;
            --text: #221A2A;
            --muted: #6E5F78;
            --faint: #9A8CA4;
            --radius-card: 12px;
            --radius-btn: 999px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 12px 32px rgba(74, 29, 110, 0.12);
            --shadow-btn-hover: 0 8px 24px rgba(74, 29, 110, 0.18);
            --font-body: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
            --font-display: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
            padding: 0;
        }

        main {
            flex: 1;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.5;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }

        /* 导航栏 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(250, 247, 244, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(26, 15, 36, 0.06);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }

        .logo {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.4rem;
            letter-spacing: 0.02em;
            color: var(--brand-primary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-mid));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 20px;
            list-style: none;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--muted);
            white-space: nowrap;
            padding: 6px 12px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            position: relative;
            display: inline-block;
        }

        .nav-links a:hover {
            color: var(--brand-primary);
            background: var(--brand-soft);
        }

        .nav-links a.active {
            color: var(--brand-primary);
            background: var(--brand-soft);
            font-weight: 600;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--brand-primary);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-cta .btn-primary {
            padding: 8px 20px;
            font-size: 0.9rem;
        }

        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: var(--card);
            color: var(--brand-primary);
            font-size: 1.5rem;
            transition: all var(--transition);
            flex-shrink: 0;
        }

        .hamburger:hover {
            background: var(--brand-soft);
            border-color: var(--brand-mid);
        }

        .mobile-menu {
            display: none;
            background: var(--brand-deep);
            padding: 16px 24px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-menu a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1rem;
            padding: 12px 16px;
            border-radius: 10px;
            display: block;
            transition: all var(--transition);
        }

        .mobile-menu a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        .mobile-menu a.active {
            background: rgba(255, 255, 255, 0.12);
            color: var(--accent-light);
            font-weight: 600;
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--brand-primary);
            color: #fff;
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-size: 0.95rem;
            transition: all var(--transition);
            box-shadow: 0 2px 8px rgba(74, 29, 110, 0.12);
            border: 2px solid var(--brand-primary);
            line-height: 1.4;
        }

        .btn-primary:hover {
            background: var(--brand-deep);
            border-color: var(--brand-deep);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(74, 29, 110, 0.12);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--brand-light);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--brand-primary);
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-size: 0.95rem;
            transition: all var(--transition);
            border: 2px solid var(--brand-primary);
            line-height: 1.4;
        }

        .btn-secondary:hover {
            background: var(--brand-soft);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(74, 29, 110, 0.08);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--brand-light);
            outline-offset: 2px;
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: var(--brand-dark);
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-size: 0.95rem;
            transition: all var(--transition);
            border: 2px solid var(--accent);
            line-height: 1.4;
        }

        .btn-accent:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
            box-shadow: 0 8px 24px rgba(232, 163, 61, 0.25);
            transform: translateY(-2px);
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--muted);
            padding: 24px 0 0;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--brand-primary);
            font-weight: 500;
        }

        .breadcrumb a:hover {
            color: var(--brand-mid);
        }

        .breadcrumb .separator {
            color: var(--faint);
        }

        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
        }

        /* Hero 分类页 */
        .cat-hero {
            padding: 48px 0 56px;
            background: linear-gradient(135deg, var(--brand-deep) 0%, var(--brand-primary) 50%, var(--brand-mid) 100%);
            position: relative;
            overflow: hidden;
        }

        .cat-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 60%;
            height: 150%;
            background: radial-gradient(ellipse at center, rgba(232, 163, 61, 0.18) 0%, transparent 65%);
            pointer-events: none;
        }

        .cat-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 6px;
            background: linear-gradient(90deg, var(--accent), var(--accent-light), transparent);
        }

        .cat-hero .container {
            position: relative;
            z-index: 2;
        }

        .cat-hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .cat-hero h1 {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin: 0 0 16px;
            letter-spacing: 0.01em;
        }

        .cat-hero h1 .highlight {
            color: var(--accent-light);
        }

        .cat-hero .subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            max-width: 520px;
            margin: 0;
        }

        .hero-form-card {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
        }

        .hero-form-card h3 {
            color: #fff;
            font-size: 1.2rem;
            font-weight: 600;
            margin: 0 0 6px;
        }

        .hero-form-card p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            margin: 0 0 16px;
            line-height: 1.6;
        }

        .hero-form-card input,
        .hero-form-card textarea {
            width: 100%;
            padding: 12px 16px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            font-size: 0.95rem;
            transition: all var(--transition);
            margin-bottom: 12px;
            resize: vertical;
        }

        .hero-form-card input::placeholder,
        .hero-form-card textarea::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .hero-form-card input:focus,
        .hero-form-card textarea:focus {
            outline: 2px solid var(--accent-light);
            outline-offset: 1px;
            background: rgba(255, 255, 255, 0.18);
            border-color: var(--accent-light);
        }

        .hero-form-card .btn-accent {
            width: 100%;
            margin-top: 4px;
        }

        /* 通用板块 */
        .section {
            padding: 72px 0;
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
            line-height: 1.35;
            letter-spacing: 0.01em;
        }

        .section-header h2 .highlight {
            color: var(--brand-primary);
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--muted);
            max-width: 680px;
            margin: 0;
            line-height: 1.7;
        }

        /* 服务卖点 */
        .service-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 32px;
            align-items: stretch;
        }

        .service-left {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .service-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .service-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--brand-soft);
        }

        .service-card .icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--brand-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-primary);
            font-size: 1.3rem;
            flex-shrink: 0;
        }

        .service-card h3 {
            font-family: var(--font-display);
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text);
            margin: 0;
            line-height: 1.4;
        }

        .service-card p {
            font-size: 0.92rem;
            color: var(--muted);
            margin: 0;
            line-height: 1.75;
            flex-grow: 1;
        }

        .service-highlight {
            background: var(--brand-deep);
            border-radius: var(--radius-card);
            padding: 32px;
            color: #fff;
            display: flex;
            flex-direction: column;
            gap: 16px;
            box-shadow: 0 8px 24px rgba(26, 15, 36, 0.2);
        }

        .service-highlight h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 0;
            color: var(--accent-light);
        }

        .service-highlight p {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.8);
            margin: 0;
            line-height: 1.75;
        }

        .service-highlight .stat {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--accent-light);
            line-height: 1.2;
        }

        .service-highlight .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
        }

        /* 内容列表 */
        .content-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .content-item {
            display: grid;
            grid-template-columns: 280px 1fr auto;
            gap: 24px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            align-items: center;
        }

        .content-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--brand-soft);
        }

        .content-item .thumb {
            width: 280px;
            height: 170px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
        }

        .content-item .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s var(--transition);
        }

        .content-item:hover .thumb img {
            transform: scale(1.04);
        }

        .content-item .info {
            display: flex;
            flex-direction: column;
            gap: 8px;
            min-width: 0;
        }

        .content-item .info h3 {
            font-family: var(--font-display);
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text);
            margin: 0;
            line-height: 1.45;
            transition: color var(--transition);
        }

        .content-item:hover .info h3 {
            color: var(--brand-primary);
        }

        .content-item .info .meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--faint);
            flex-wrap: wrap;
        }

        .content-item .info .desc {
            font-size: 0.92rem;
            color: var(--muted);
            margin: 0;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .content-item .info .tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 4px;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            background: var(--brand-soft);
            color: var(--brand-primary);
            font-size: 0.75rem;
            font-weight: 500;
            line-height: 1.4;
        }

        .tag.tag-accent {
            background: var(--accent-soft);
            color: var(--accent-dark);
        }

        .tag.tag-outline {
            background: transparent;
            border: 1px solid var(--border);
            color: var(--muted);
        }

        .content-item .read-more {
            white-space: nowrap;
            padding: 8px 16px;
            font-size: 0.85rem;
            border-radius: var(--radius-btn);
            background: var(--brand-soft);
            color: var(--brand-primary);
            font-weight: 600;
            transition: all var(--transition);
            align-self: center;
        }

        .content-item .read-more:hover {
            background: var(--brand-primary);
            color: #fff;
        }

        /* 流程步骤 */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .step-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            text-align: center;
            transition: all var(--transition);
            position: relative;
        }

        .step-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .step-card .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--brand-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            margin: 0 auto 16px;
        }

        .step-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 8px;
        }

        .step-card p {
            font-size: 0.88rem;
            color: var(--muted);
            margin: 0;
            line-height: 1.7;
        }

        /* 推荐区 */
        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .recommend-card {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 16px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

        .recommend-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--brand-soft);
        }

        .recommend-card .thumb {
            width: 80px;
            height: 60px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
        }

        .recommend-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .recommend-card .info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 4px;
            line-height: 1.4;
        }

        .recommend-card .info p {
            font-size: 0.8rem;
            color: var(--faint);
            margin: 0;
        }

        /* FAQ */
        .faq-section {
            background: var(--brand-soft);
            padding: 72px 0;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--brand-light);
        }

        .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            gap: 16px;
            user-select: none;
            transition: all var(--transition);
        }

        .faq-question:hover {
            color: var(--brand-primary);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--brand-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-primary);
            font-size: 1.2rem;
            flex-shrink: 0;
            transition: all var(--transition);
        }

        .faq-item.active .faq-icon {
            background: var(--brand-primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 0.92rem;
            color: var(--muted);
            margin: 0;
            line-height: 1.75;
        }

        /* CTA */
        .cta-section {
            background: var(--brand-dark);
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -10%;
            width: 60%;
            height: 200%;
            background: radial-gradient(ellipse at center, rgba(74, 29, 110, 0.4) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
            font-family: var(--font-display);
            line-height: 1.35;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        .cta-section .btn-accent {
            font-size: 1.05rem;
            padding: 14px 36px;
        }

        /* 页脚 */
        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 0;
            margin-top: 0;
            flex-shrink: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand-name {
            font-family: var(--font-display);
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
            max-width: 360px;
        }

        .footer-links h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin: 0 0 16px;
        }

        .footer-links ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent-light);
        }

        .footer-bottom {
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        /* 表单 */
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-group label {
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text);
        }

        .form-input,
        .form-textarea {
            padding: 12px 16px;
            border-radius: 10px;
            background: var(--bg);
            border: 1px solid var(--border);
            font-size: 0.95rem;
            transition: all var(--transition);
            width: 100%;
        }

        .form-input:focus,
        .form-textarea:focus {
            outline: 2px solid var(--brand-light);
            outline-offset: 1px;
            border-color: var(--brand-light);
            background: #fff;
        }

        .form-textarea {
            resize: vertical;
            min-height: 100px;
        }

        .form-submit {
            width: 100%;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .cat-hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .cat-hero h1 {
                font-size: 2.2rem;
            }

            .service-grid {
                grid-template-columns: 1fr;
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .recommend-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .content-item {
                grid-template-columns: 220px 1fr;
            }

            .content-item .read-more {
                grid-column: 2;
                align-self: auto;
                display: inline-flex;
            }

            .content-item .thumb {
                width: 220px;
                height: 140px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .nav-cta .btn-primary {
                display: none;
            }

            .cat-hero {
                padding: 32px 0 40px;
            }

            .cat-hero h1 {
                font-size: 1.8rem;
            }

            .cat-hero .subtitle {
                font-size: 0.95rem;
            }

            .section {
                padding: 48px 0;
            }

            .section-header h2 {
                font-size: 1.6rem;
            }

            .service-left {
                grid-template-columns: 1fr;
            }

            .content-item {
                grid-template-columns: 1fr;
                gap: 16px;
                padding: 16px;
            }

            .content-item .thumb {
                width: 100%;
                height: 180px;
            }

            .content-item .read-more {
                grid-column: 1;
                width: 100%;
                justify-content: center;
            }

            .steps-grid {
                grid-template-columns: 1fr;
            }

            .recommend-grid {
                grid-template-columns: 1fr;
            }

            .cta-section h2 {
                font-size: 1.6rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .hero-form-card {
                padding: 20px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .cat-hero h1 {
                font-size: 1.5rem;
            }

            .section-header h2 {
                font-size: 1.4rem;
            }

            .content-item .thumb {
                height: 150px;
            }

            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category4 */
:root {
            --brand-dark: #1A0F24;
            --brand-deep: #2D1045;
            --brand-primary: #4A1D6E;
            --brand-mid: #6B2FA0;
            --brand-light: #8B3FC8;
            --brand-soft: #F3EAFB;
            --accent: #E8A33D;
            --accent-dark: #C7861F;
            --accent-light: #F5C86B;
            --accent-soft: #FDF3E0;
            --bg: #FAF7F4;
            --card: #FFFFFF;
            --border: #E8E3DC;
            --text: #221A2A;
            --muted: #6E5F78;
            --faint: #9A8CA4;
            --radius-card: 12px;
            --radius-btn: 999px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 12px 32px rgba(74, 29, 110, 0.12);
            --shadow-btn-hover: 0 8px 24px rgba(74, 29, 110, 0.18);
            --font-body: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
            --font-display: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        main {
            flex: 1;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.5;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }

        /* 导航栏 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(250, 247, 244, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(26, 15, 36, 0.06);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }

        .logo {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.4rem;
            letter-spacing: 0.02em;
            color: var(--brand-primary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-mid));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--muted);
            white-space: nowrap;
            padding: 6px 12px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--brand-primary);
            background: var(--brand-soft);
        }

        .nav-links a.active {
            color: var(--brand-primary);
            background: var(--brand-soft);
            font-weight: 600;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--brand-primary);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-cta .btn-primary {
            padding: 8px 20px;
            font-size: 0.88rem;
        }

        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: var(--card);
            color: var(--brand-primary);
            font-size: 1.5rem;
            transition: all var(--transition);
        }

        .hamburger:hover {
            background: var(--brand-soft);
            border-color: var(--brand-mid);
        }

        .mobile-menu {
            display: none;
            background: var(--brand-deep);
            padding: 16px 24px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            color: rgba(255, 255, 255, 0.88);
            border-radius: 10px;
            font-weight: 500;
            transition: all var(--transition);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            background: var(--brand-primary);
            color: #fff;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            box-shadow: 0 2px 8px rgba(74, 29, 110, 0.14);
            border: 2px solid transparent;
        }

        .btn-primary:hover {
            background: var(--brand-mid);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(74, 29, 110, 0.14);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            background: transparent;
            color: var(--brand-primary);
            border: 2px solid var(--brand-primary);
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
        }

        .btn-secondary:hover {
            background: var(--brand-soft);
            transform: translateY(-1px);
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--brand-primary);
            outline-offset: 2px;
        }

        /* 卡片通用 */
        .card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition);
        }

        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        /* Hero */
        .hero-category {
            position: relative;
            padding: 72px 0 80px;
            background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand-deep) 55%, var(--brand-primary) 100%);
            overflow: hidden;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(139, 63, 200, 0.3), transparent 70%);
            pointer-events: none;
        }

        .hero-category::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232, 163, 61, 0.15), transparent 70%);
            pointer-events: none;
        }

        .hero-category .container {
            position: relative;
            z-index: 2;
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 28px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--accent-light);
        }

        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.35);
        }

        .breadcrumb .current {
            color: var(--accent-light);
            font-weight: 500;
        }

        .hero-category h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

        .hero-category .hero-sub {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 620px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .hero-category .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-category .btn-primary {
            background: var(--accent);
            color: var(--brand-dark);
            box-shadow: 0 2px 12px rgba(232, 163, 61, 0.25);
        }

        .hero-category .btn-primary:hover {
            background: var(--accent-light);
            box-shadow: 0 8px 28px rgba(232, 163, 61, 0.35);
        }

        .hero-category .btn-secondary {
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
        }

        .hero-category .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.8);
        }

        /* 数据榜单 */
        .hero-panel {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .hero-panel h3 {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
            margin-bottom: 16px;
            letter-spacing: 0.05em;
        }

        .hero-panel .stat-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hero-panel .stat-row:last-child {
            border-bottom: none;
        }

        .hero-panel .stat-label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }

        .hero-panel .stat-value {
            color: var(--accent-light);
            font-weight: 700;
            font-size: 1.1rem;
            font-family: var(--font-display);
        }

        /* 板块标题 */
        .section {
            padding: 72px 0;
        }

        .section-alt {
            background: #fff;
        }

        .section-deep {
            background: var(--brand-dark);
            color: #fff;
        }

        .section-deep .section-title {
            color: #fff;
        }

        .section-deep .section-sub {
            color: rgba(255, 255, 255, 0.7);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 12px;
        }

        .section-sub {
            font-size: 1.05rem;
            color: var(--muted);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 40px;
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-header .tag {
            display: inline-block;
            padding: 6px 16px;
            background: var(--brand-soft);
            color: var(--brand-primary);
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 14px;
        }

        /* 合作模式卡片 */
        .co-op-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px;
            transition: all var(--transition);
            height: 100%;
        }

        .co-op-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--brand-mid);
        }

        .co-op-card .icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--brand-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-primary);
            font-size: 1.3rem;
            margin-bottom: 18px;
        }

        .co-op-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text);
        }

        .co-op-card p {
            font-size: 0.95rem;
            color: var(--muted);
            line-height: 1.8;
        }

        /* 流程步骤 */
        .step-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 24px 0;
            border-bottom: 1px solid var(--border);
        }

        .step-item:last-child {
            border-bottom: none;
        }

        .step-num {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--brand-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            font-family: var(--font-display);
        }

        .step-item h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text);
        }

        .step-item p {
            font-size: 0.95rem;
            color: var(--muted);
            line-height: 1.8;
        }

        /* 案例卡片 */
        .case-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition);
        }

        .case-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .case-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .case-card:hover img {
            transform: scale(1.04);
        }

        .case-card .case-body {
            padding: 22px 24px;
        }

        .case-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text);
            transition: color var(--transition);
        }

        .case-card:hover h3 {
            color: var(--brand-primary);
        }

        .case-card p {
            font-size: 0.92rem;
            color: var(--muted);
            line-height: 1.75;
            margin-bottom: 14px;
        }

        .case-card .case-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .case-tag {
            padding: 3px 12px;
            background: var(--brand-soft);
            color: var(--brand-primary);
            border-radius: var(--radius-btn);
            font-size: 0.8rem;
            font-weight: 500;
        }

        /* FAQ */
        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            margin-bottom: 14px;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--brand-mid);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            width: 100%;
            text-align: left;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text);
            gap: 16px;
            transition: all var(--transition);
            user-select: none;
        }

        .faq-question:hover {
            color: var(--brand-primary);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--brand-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-primary);
            font-size: 0.85rem;
            transition: transform var(--transition);
            font-style: normal;
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background: var(--brand-primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 0.95rem;
            color: var(--muted);
            line-height: 1.8;
        }

        /* CTA + 表单 */
        .cta-section {
            background: var(--brand-deep);
            padding: 64px 0;
            color: #fff;
        }

        .cta-section h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 32px;
            max-width: 560px;
            line-height: 1.8;
        }

        .contact-form {
            background: var(--card);
            border-radius: var(--radius-card);
            padding: 32px;
            max-width: 560px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
        }

        .contact-form .form-group {
            margin-bottom: 18px;
        }

        .contact-form label {
            display: block;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .contact-form input,
        .contact-form textarea {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: #FAF7F4;
            font-size: 0.95rem;
            color: var(--text);
            transition: all var(--transition);
        }

        .contact-form input:focus,
        .contact-form textarea:focus {
            border-color: var(--brand-primary);
            outline: 2px solid rgba(74, 29, 110, 0.15);
            background: #fff;
        }

        .contact-form textarea {
            min-height: 110px;
            resize: vertical;
        }

        .contact-form .btn-primary {
            width: 100%;
            padding: 14px;
            font-size: 1rem;
        }

        /* 页脚 */
        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand-name {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-links h4 {
            font-size: 1rem;
            color: #fff;
            margin-bottom: 14px;
            font-weight: 600;
        }

        .footer-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            align-items: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-category h1 {
                font-size: 2.2rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .nav-links {
                gap: 14px;
            }

            .nav-links a {
                padding: 6px 10px;
                font-size: 0.88rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .nav-cta .btn-primary {
                display: none;
            }

            .hero-category {
                padding: 48px 0 56px;
            }

            .hero-category h1 {
                font-size: 1.8rem;
            }

            .hero-category .hero-sub {
                font-size: 0.98rem;
            }

            .section {
                padding: 48px 0;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }

            .contact-form {
                padding: 22px;
            }

            .hero-panel {
                margin-top: 24px;
                padding: 18px 20px;
            }
        }

        @media (max-width: 520px) {
            .hero-category h1 {
                font-size: 1.5rem;
            }

            .hero-category .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-category .btn-primary,
            .hero-category .btn-secondary {
                width: 100%;
                justify-content: center;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

/* roulang page: category6 */
:root {
            --brand-dark: #1A0F24;
            --brand-deep: #2D1045;
            --brand-primary: #4A1D6E;
            --brand-mid: #6B2FA0;
            --brand-light: #8B3FC8;
            --brand-soft: #F3EAFB;
            --accent: #E8A33D;
            --accent-dark: #C7861F;
            --accent-light: #F5C86B;
            --accent-soft: #FDF3E0;
            --bg: #FAF7F4;
            --card: #FFFFFF;
            --border: #E8E3DC;
            --text: #221A2A;
            --muted: #6E5F78;
            --faint: #9A8CA4;
            --radius-card: 12px;
            --radius-btn: 999px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 12px 32px rgba(74, 29, 110, 0.12);
            --shadow-btn-hover: 0 8px 24px rgba(74, 29, 110, 0.18);
            --font-body: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
            --font-display: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        main {
            flex: 1;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.5;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }

        /* 导航栏 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(250, 247, 244, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(26, 15, 36, 0.06);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }

        .logo {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.4rem;
            letter-spacing: 0.02em;
            color: var(--brand-primary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-mid));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--muted);
            white-space: nowrap;
            padding: 6px 12px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--brand-primary);
            background: var(--brand-soft);
        }

        .nav-links a.active {
            color: var(--brand-primary);
            background: var(--brand-soft);
            font-weight: 600;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--brand-primary);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-cta .btn-primary {
            padding: 8px 20px;
            font-size: 0.9rem;
        }

        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: var(--card);
            color: var(--brand-primary);
            font-size: 1.5rem;
            transition: all var(--transition);
        }

        .hamburger:hover {
            background: var(--brand-soft);
            border-color: var(--brand-mid);
        }

        .mobile-menu {
            display: none;
            background: var(--brand-deep);
            padding: 16px 24px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-menu a {
            color: rgba(255, 255, 255, 0.82);
            font-size: 1rem;
            font-weight: 500;
            padding: 12px 8px;
            border-radius: 8px;
            display: block;
            transition: all var(--transition);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--brand-primary);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            border: 2px solid var(--brand-primary);
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--brand-mid);
            border-color: var(--brand-mid);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-2px);
        }

        .btn-primary:focus-visible {
            outline: 3px solid var(--brand-light);
            outline-offset: 2px;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(74, 29, 110, 0.12);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--brand-primary);
            font-weight: 600;
            font-size: 1rem;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            border: 2px solid var(--brand-primary);
            text-align: center;
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: var(--brand-soft);
            border-color: var(--brand-mid);
            color: var(--brand-mid);
            transform: translateY(-2px);
        }

        .btn-secondary:focus-visible {
            outline: 3px solid var(--brand-light);
            outline-offset: 2px;
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: #1A0F24;
            font-weight: 700;
            font-size: 1rem;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            border: 2px solid var(--accent);
            text-align: center;
            white-space: nowrap;
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            box-shadow: 0 8px 24px rgba(232, 163, 61, 0.35);
            transform: translateY(-2px);
        }

        .btn-accent:focus-visible {
            outline: 3px solid var(--accent-light);
            outline-offset: 2px;
        }

        .btn-accent:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(232, 163, 61, 0.2);
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--muted);
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--brand-primary);
        }

        .breadcrumb .separator {
            color: var(--faint);
            user-select: none;
        }

        .breadcrumb .current {
            color: var(--brand-primary);
            font-weight: 600;
        }

        /* 卡片 */
        .card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            overflow: hidden;
        }

        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .card-img-wrap {
            overflow: hidden;
            position: relative;
            aspect-ratio: 16 / 10;
            background: var(--brand-soft);
        }

        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .card:hover .card-img-wrap img {
            transform: scale(1.05);
        }

        .card-body {
            padding: 24px;
        }

        .tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-btn);
            background: var(--brand-soft);
            color: var(--brand-primary);
            letter-spacing: 0.03em;
        }

        .tag-accent {
            background: var(--accent-soft);
            color: var(--accent-dark);
        }

        /* 倒计时条 */
        .countdown-bar {
            background: linear-gradient(135deg, var(--brand-deep), var(--brand-primary));
            color: #fff;
            border-radius: var(--radius-card);
            padding: 16px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .countdown-timer {
            display: flex;
            align-items: center;
            gap: 8px;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: 0.04em;
        }

        .countdown-timer .time-block {
            background: rgba(255, 255, 255, 0.12);
            border-radius: 8px;
            padding: 6px 12px;
            min-width: 44px;
            text-align: center;
        }

        /* 板块 */
        .section {
            padding: 64px 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text);
            margin-bottom: 12px;
            font-family: var(--font-display);
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--muted);
            line-height: 1.7;
            max-width: 720px;
        }

        /* 分类页 Hero */
        .category-hero {
            padding: 56px 0 40px;
            background: linear-gradient(135deg, var(--brand-soft) 0%, var(--accent-soft) 100%);
            border-bottom: 1px solid var(--border);
        }

        .category-hero h1 {
            font-size: 2.5rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin: 16px 0 12px;
            font-family: var(--font-display);
        }

        .category-hero p {
            font-size: 1.1rem;
            color: var(--muted);
            line-height: 1.8;
            max-width: 720px;
        }

        /* 内容列表 */
        .content-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        /* 推荐横卡 */
        .recommend-card {
            display: flex;
            gap: 16px;
            align-items: center;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 16px;
            transition: all var(--transition);
        }

        .recommend-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .recommend-card img {
            width: 100px;
            height: 72px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
        }

        /* FAQ */
        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--brand-mid);
            box-shadow: var(--shadow-card-hover);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 20px 24px;
            text-align: left;
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text);
            transition: all var(--transition);
        }

        .faq-question:hover {
            color: var(--brand-primary);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--brand-soft);
            color: var(--brand-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: all var(--transition);
        }

        .faq-question.active .faq-icon {
            background: var(--brand-primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
        }

        .faq-answer.open {
            max-height: 500px;
            padding: 0 24px 24px;
        }

        .faq-answer p {
            font-size: 1rem;
            color: var(--muted);
            line-height: 1.8;
        }

        /* 表单 */
        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .form-input {
            width: 100%;
            padding: 12px 16px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 10px;
            font-size: 1rem;
            line-height: 1.5;
            transition: all var(--transition);
        }

        .form-input:focus {
            border-color: var(--brand-primary);
            outline: 3px solid var(--brand-soft);
            background: #fff;
        }

        .form-input::placeholder {
            color: var(--faint);
        }

        textarea.form-input {
            min-height: 120px;
            resize: vertical;
        }

        /* 页脚 */
        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 24px;
            flex-shrink: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand-name {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            font-family: var(--font-display);
        }

        .footer-desc {
            font-size: 0.95rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            max-width: 320px;
        }

        .footer-links h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-links {
                gap: 16px;
            }
            .nav-links a {
                font-size: 0.85rem;
                padding: 4px 8px;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .category-hero {
                padding: 40px 0 28px;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero p {
                font-size: 1rem;
            }
            .countdown-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .recommend-card {
                flex-direction: column;
                align-items: flex-start;
            }
            .recommend-card img {
                width: 100%;
                height: 160px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section {
                padding: 36px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .btn-primary,
            .btn-secondary,
            .btn-accent {
                padding: 10px 20px;
                font-size: 0.9rem;
                width: 100%;
            }
        }

/* roulang page: category5 */
:root {
            --brand-dark: #1A0F24;
            --brand-deep: #2D1045;
            --brand-primary: #4A1D6E;
            --brand-mid: #6B2FA0;
            --brand-light: #8B3FC8;
            --brand-soft: #F3EAFB;
            --accent: #E8A33D;
            --accent-dark: #C7861F;
            --accent-light: #F5C86B;
            --accent-soft: #FDF3E0;
            --bg: #FAF7F4;
            --card: #FFFFFF;
            --border: #E8E3DC;
            --text: #221A2A;
            --muted: #6E5F78;
            --faint: #9A8CA4;
            --radius-card: 12px;
            --radius-btn: 999px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 12px 32px rgba(74, 29, 110, 0.12);
            --shadow-btn-hover: 0 8px 24px rgba(74, 29, 110, 0.18);
            --font-body: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
            --font-display: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        main {
            flex: 1;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.5;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }

        /* 导航栏 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(250, 247, 244, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(26, 15, 36, 0.06);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }

        .logo {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.4rem;
            letter-spacing: 0.02em;
            color: var(--brand-primary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-mid));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--muted);
            white-space: nowrap;
            padding: 6px 12px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--brand-primary);
            background: var(--brand-soft);
        }

        .nav-links a.active {
            color: var(--brand-primary);
            background: var(--brand-soft);
            font-weight: 600;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--brand-primary);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-cta .btn-primary {
            padding: 8px 20px;
            font-size: 0.9rem;
        }

        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: var(--card);
            color: var(--brand-primary);
            font-size: 1.5rem;
            transition: all var(--transition);
        }

        .hamburger:hover {
            background: var(--brand-soft);
            border-color: var(--brand-mid);
        }

        .mobile-menu {
            display: none;
            background: var(--brand-deep);
            padding: 16px 24px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .mobile-menu a {
            color: #fff;
            font-size: 1rem;
            padding: 10px 16px;
            display: block;
            border-radius: 8px;
            transition: background var(--transition);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: var(--brand-primary);
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            font-size: 1rem;
            border: 2px solid var(--brand-primary);
        }

        .btn-primary:hover {
            background-color: var(--brand-mid);
            border-color: var(--brand-mid);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--brand-primary);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            font-size: 1rem;
            border: 2px solid var(--brand-primary);
        }

        .btn-secondary:hover {
            background: var(--brand-soft);
            border-color: var(--brand-mid);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background-color: var(--accent);
            color: var(--brand-dark);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            font-size: 1rem;
            border: 2px solid var(--accent);
        }

        .btn-accent:hover {
            background-color: var(--accent-dark);
            border-color: var(--accent-dark);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-2px);
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--muted);
            padding: 20px 0 0;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--brand-primary);
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--brand-mid);
        }

        .breadcrumb .separator {
            color: var(--faint);
        }

        .breadcrumb .current {
            color: var(--muted);
            font-weight: 500;
        }

        /* 分类 Hero */
        .category-hero {
            position: relative;
            padding: 60px 0 80px;
            background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand-deep) 50%, var(--brand-primary) 100%);
            overflow: hidden;
            border-radius: 0 0 24px 24px;
            margin-bottom: 60px;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 15, 36, 0.7) 0%, rgba(45, 16, 69, 0.65) 40%, rgba(74, 29, 110, 0.55) 100%);
            z-index: 1;
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }

        .category-hero .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            color: var(--accent-light);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: var(--radius-btn);
            margin-bottom: 20px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .category-hero h1 {
            font-size: 2.8rem;
            font-weight: 700;
            line-height: 1.3;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.01em;
        }

        .category-hero h1 .highlight {
            color: var(--accent-light);
        }

        .category-hero .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin-bottom: 30px;
            max-width: 650px;
        }

        .category-hero .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .category-hero .btn-accent {
            background: var(--accent);
            color: var(--brand-dark);
            border-color: var(--accent);
        }

        .category-hero .btn-accent:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
        }

        .category-hero .btn-ghost {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.6);
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .category-hero .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
        }

        /* 区块样式 */
        .section {
            margin-bottom: 70px;
        }

        .section-header {
            margin-bottom: 36px;
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--brand-primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }

        .section-header h2 {
            font-size: 1.9rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text);
            margin-bottom: 12px;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--muted);
            max-width: 700px;
            line-height: 1.8;
        }

        /* 会员权益卡片 */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .benefit-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 26px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .benefit-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--brand-light);
        }

        .benefit-card .benefit-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--brand-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-primary);
            font-size: 1.4rem;
            margin-bottom: 4px;
            transition: all var(--transition);
        }

        .benefit-card:hover .benefit-icon {
            background: var(--brand-primary);
            color: #fff;
        }

        .benefit-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
        }

        .benefit-card p {
            font-size: 0.95rem;
            color: var(--muted);
            line-height: 1.7;
        }

        /* 等级卡片 */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            align-items: stretch;
        }

        .tier-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }

        .tier-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-5px);
        }

        .tier-card.featured {
            border-color: var(--accent);
            background: linear-gradient(180deg, var(--accent-soft) 0%, var(--card) 35%);
        }

        .tier-card.featured::after {
            content: '推荐';
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent);
            color: var(--brand-dark);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-btn);
        }

        .tier-card .tier-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .tier-card .tier-badge {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--brand-primary);
            background: var(--brand-soft);
            padding: 4px 12px;
            border-radius: var(--radius-btn);
            margin-bottom: 16px;
            width: fit-content;
        }

        .tier-card .tier-price {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--brand-primary);
            margin-bottom: 4px;
            font-family: var(--font-display);
        }

        .tier-card .tier-price-sub {
            font-size: 0.9rem;
            color: var(--faint);
            margin-bottom: 20px;
        }

        .tier-card .tier-features {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .tier-card .tier-features li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--muted);
            line-height: 1.6;
        }

        .tier-card .tier-features li i {
            color: var(--brand-light);
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* 专属活动 */
        .events-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .event-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .event-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--brand-light);
        }

        .event-card .event-image {
            aspect-ratio: 16/10;
            overflow: hidden;
            position: relative;
        }

        .event-card .event-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .event-card:hover .event-image img {
            transform: scale(1.05);
        }

        .event-card .event-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-btn);
            z-index: 2;
        }

        .event-card .event-body {
            padding: 22px 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .event-card .event-date {
            font-size: 0.85rem;
            color: var(--faint);
        }

        .event-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
        }

        .event-card p {
            font-size: 0.95rem;
            color: var(--muted);
            line-height: 1.7;
            flex: 1;
        }

        .event-card .event-link {
            font-weight: 600;
            color: var(--brand-primary);
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }

        .event-card .event-link:hover {
            color: var(--brand-mid);
            gap: 10px;
        }

        /* FAQ */
        .faq-section {
            background: var(--brand-soft);
            border-radius: 16px;
            padding: 50px 40px;
            margin-bottom: 70px;
        }

        .faq-list {
            max-width: 850px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--brand-light);
        }

        .faq-question {
            width: 100%;
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text);
            text-align: left;
            transition: all var(--transition);
            background: transparent;
        }

        .faq-question:hover {
            color: var(--brand-primary);
        }

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--brand-soft);
            color: var(--brand-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            flex-shrink: 0;
            transition: all var(--transition);
        }

        .faq-question.active .faq-icon {
            background: var(--brand-primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 24px;
        }

        .faq-answer.open {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 0.98rem;
            color: var(--muted);
            line-height: 1.8;
            margin: 0;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand-deep 60%) 60%, var(--brand-primary) 100%);
            border-radius: 20px;
            padding: 60px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            margin-bottom: 70px;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
            z-index: 0;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 1;
            max-width: 650px;
            margin: 0 auto;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin-bottom: 30px;
        }

        .cta-section .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* 表单 */
        .contact-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            max-width: 600px;
            margin: 0 auto;
            text-align: left;
        }

        .contact-form .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .contact-form .form-group.full {
            grid-column: 1 / -1;
        }

        .contact-form label {
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.85);
        }

        .contact-form input,
        .contact-form textarea {
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 1rem;
            transition: all var(--transition);
            width: 100%;
        }

        .contact-form input::placeholder,
        .contact-form textarea::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .contact-form input:focus,
        .contact-form textarea:focus {
            border-color: var(--accent-light);
            background: rgba(255, 255, 255, 0.12);
            outline: 2px solid rgba(232, 163, 61, 0.4);
            outline-offset: 1px;
        }

        .contact-form textarea {
            resize: vertical;
            min-height: 100px;
        }

        /* 页脚 */
        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 28px;
            border-top: 4px solid var(--brand-primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 40px;
        }

        .footer-brand-name {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            font-family: var(--font-display);
        }

        .footer-desc {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-links h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            transition: all var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            justify-content: space-between;
            align-items: center;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .benefits-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .tier-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .tier-card.featured {
                grid-column: 1 / -1;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .category-hero h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .nav-cta {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .category-hero {
                padding: 40px 0 60px;
            }

            .category-hero h1 {
                font-size: 1.8rem;
            }

            .category-hero .hero-desc {
                font-size: 1rem;
            }

            .benefits-grid {
                grid-template-columns: 1fr;
            }

            .tier-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .tier-card.featured {
                grid-column: 1;
            }

            .events-list {
                grid-template-columns: 1fr;
            }

            .section-header h2 {
                font-size: 1.5rem;
            }

            .faq-section {
                padding: 30px 20px;
            }

            .faq-question {
                font-size: 1rem;
                padding: 16px 18px;
            }

            .cta-section {
                padding: 40px 24px;
            }

            .cta-section h2 {
                font-size: 1.5rem;
            }

            .contact-form {
                grid-template-columns: 1fr;
            }

            .contact-form .form-group.full {
                grid-column: 1;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .breadcrumb {
                font-size: 0.85rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .category-hero {
                padding: 32px 0 48px;
                border-radius: 0 0 16px 16px;
            }

            .category-hero h1 {
                font-size: 1.5rem;
            }

            .category-hero .hero-actions {
                flex-direction: column;
                width: 100%;
            }

            .category-hero .hero-actions a,
            .category-hero .hero-actions button {
                width: 100%;
                justify-content: center;
            }

            .section {
                margin-bottom: 50px;
            }

            .tier-card {
                padding: 24px 20px;
            }

            .tier-card .tier-price {
                font-size: 1.8rem;
            }

            .event-card .event-body {
                padding: 16px 18px;
            }
        }

/* roulang page: category7 */
:root {
            --brand-dark: #1A0F24;
            --brand-deep: #2D1045;
            --brand-primary: #4A1D6E;
            --brand-mid: #6B2FA0;
            --brand-light: #8B3FC8;
            --brand-soft: #F3EAFB;
            --accent: #E8A33D;
            --accent-dark: #C7861F;
            --accent-light: #F5C86B;
            --accent-soft: #FDF3E0;
            --bg: #FAF7F4;
            --card: #FFFFFF;
            --border: #E8E3DC;
            --text: #221A2A;
            --muted: #6E5F78;
            --faint: #9A8CA4;
            --radius-card: 12px;
            --radius-btn: 999px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 12px 32px rgba(74, 29, 110, 0.12);
            --shadow-btn-hover: 0 8px 24px rgba(74, 29, 110, 0.18);
            --font-body: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
            --font-display: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.8;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        main {
            flex: 1;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea,
        select {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.5;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }

        /* 导航栏 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(250, 247, 244, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(26, 15, 36, 0.06);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }

        .logo {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.4rem;
            letter-spacing: 0.02em;
            color: var(--brand-primary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-mid));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--muted);
            white-space: nowrap;
            padding: 6px 12px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--brand-primary);
            background: var(--brand-soft);
        }

        .nav-links a.active {
            color: var(--brand-primary);
            background: var(--brand-soft);
            font-weight: 600;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--brand-primary);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-cta .btn-primary {
            padding: 8px 20px;
            font-size: 0.9rem;
        }

        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: var(--card);
            color: var(--brand-primary);
            font-size: 1.5rem;
            transition: all var(--transition);
        }

        .hamburger:hover {
            background: var(--brand-soft);
            border-color: var(--brand-mid);
        }

        .mobile-menu {
            display: none;
            background: var(--brand-deep);
            padding: 16px 24px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .mobile-menu li {
            margin-bottom: 4px;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            color: rgba(255, 255, 255, 0.85);
            border-radius: 8px;
            font-size: 0.95rem;
            transition: all var(--transition);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--brand-primary);
            color: #fff;
            padding: 12px 32px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(74, 29, 110, 0.18);
        }

        .btn-primary:hover {
            background: var(--brand-mid);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(74, 29, 110, 0.12);
        }

        .btn-primary:focus-visible {
            outline: 3px solid var(--brand-primary);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--brand-primary);
            padding: 12px 32px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid var(--brand-primary);
            transition: all var(--transition);
        }

        .btn-secondary:hover {
            background: var(--brand-soft);
            color: var(--brand-primary);
        }

        .btn-secondary:active {
            transform: translateY(1px);
        }

        .btn-secondary:focus-visible {
            outline: 3px solid var(--brand-primary);
            outline-offset: 2px;
        }

        /* Hero */
        .category-hero {
            background:
                linear-gradient(135deg, rgba(26, 15, 36, 0.88) 0%, rgba(74, 29, 110, 0.82) 55%, rgba(107, 47, 160, 0.75) 100%),
                url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
            color: #fff;
            padding: 80px 0 72px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            right: -80px;
            top: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(232, 163, 61, 0.18);
            pointer-events: none;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--accent-light);
        }

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
        }

        .breadcrumb .current {
            color: var(--accent-light);
            font-weight: 500;
        }

        .category-hero h1 {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .category-hero .hero-sub {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 32px;
            position: relative;
            z-index: 1;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            position: relative;
            z-index: 1;
        }

        .hero-actions .btn-primary {
            background: var(--accent);
            color: var(--brand-dark);
            box-shadow: 0 4px 16px rgba(232, 163, 61, 0.3);
        }

        .hero-actions .btn-primary:hover {
            background: var(--accent-light);
            box-shadow: 0 8px 24px rgba(232, 163, 61, 0.4);
        }

        .hero-actions .btn-secondary {
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }

        .hero-actions .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232, 163, 61, 0.18);
            border: 1px solid rgba(232, 163, 61, 0.4);
            color: var(--accent-light);
            padding: 6px 16px;
            border-radius: var(--radius-btn);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        /* 板块标题 */
        .section-head {
            margin-bottom: 48px;
        }

        .section-head .tag {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--brand-primary);
            background: var(--brand-soft);
            padding: 6px 16px;
            border-radius: var(--radius-btn);
            margin-bottom: 12px;
            letter-spacing: 0.05em;
        }

        .section-head h2 {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--brand-dark);
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--muted);
            font-size: 1.05rem;
            max-width: 640px;
        }

        /* 卖点卡片 */
        .feature-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .feature-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 32px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--brand-mid);
        }

        .feature-card .icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--brand-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            flex-shrink: 0;
            color: var(--brand-primary);
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--brand-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .feature-card p {
            font-size: 0.95rem;
            color: var(--muted);
            line-height: 1.7;
            margin: 0;
        }

        /* 特色区块 */
        .content-section {
            padding: 80px 0;
        }

        .content-section.alt {
            background: var(--brand-soft);
        }

        .content-section.dark {
            background: var(--brand-deep);
            color: #fff;
        }

        .content-section.dark .section-head h2 {
            color: #fff;
        }

        .content-section.dark .section-head p {
            color: rgba(255, 255, 255, 0.7);
        }

        .content-section.dark .section-head .tag {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent-light);
        }

        /* 流程步骤 */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .step-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

        .step-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .step-number {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            color: var(--brand-primary);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .step-number span {
            font-size: 0.9rem;
            color: var(--faint);
            font-weight: 400;
        }

        .step-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--brand-dark);
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 0.9rem;
            color: var(--muted);
            line-height: 1.7;
            margin: 0;
        }

        /* 深度内容 */
        .depth-content {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 40px 48px;
            box-shadow: var(--shadow-card);
        }

        .depth-content h3 {
            font-family: var(--font-display);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--brand-dark);
            margin-bottom: 16px;
        }

        .depth-content p {
            color: var(--muted);
            line-height: 1.9;
            margin-bottom: 16px;
            font-size: 0.95rem;
        }

        .depth-content p:last-child {
            margin-bottom: 0;
        }

        /* 数据统计 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-item {
            text-align: center;
            padding: 28px 16px;
            border-radius: var(--radius-card);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .stat-number {
            font-family: var(--font-display);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--accent-light);
            margin-bottom: 4px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }

        /* 内容卡片 */
        .content-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .content-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .content-card .card-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }

        .content-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }

        .content-card:hover .card-img img {
            transform: scale(1.04);
        }

        .content-card .card-body {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .content-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--faint);
            margin-bottom: 8px;
        }

        .content-card .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--brand-primary);
            background: var(--brand-soft);
            padding: 3px 12px;
            border-radius: var(--radius-btn);
        }

        .content-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--brand-dark);
            margin-bottom: 8px;
            line-height: 1.45;
            transition: color var(--transition);
        }

        .content-card:hover h3 {
            color: var(--brand-primary);
        }

        .content-card p {
            font-size: 0.9rem;
            color: var(--muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }

        .content-card .card-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--brand-mid);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .content-card .card-link:hover {
            color: var(--brand-primary);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: var(--brand-mid);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 20px 24px;
            text-align: left;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--brand-dark);
            transition: all var(--transition);
            gap: 16px;
        }

        .faq-question:hover {
            color: var(--brand-primary);
        }

        .faq-question .icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--brand-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-primary);
            font-size: 1.1rem;
            transition: all var(--transition);
        }

        .faq-item.open .faq-question .icon {
            transform: rotate(45deg);
            background: var(--brand-primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            color: var(--muted);
            font-size: 0.95rem;
            line-height: 1.8;
            margin: 0;
        }

        /* 表单 */
        .contact-form-wrap {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 36px 40px;
            box-shadow: var(--shadow-card);
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--brand-dark);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: var(--bg);
            font-size: 0.95rem;
            transition: all var(--transition);
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--brand-mid);
            box-shadow: 0 0 0 3px var(--brand-soft);
            outline: none;
        }

        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }

        /* 推荐区 */
        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .recommend-card {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 14px 16px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

        .recommend-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--brand-mid);
        }

        .recommend-card .r-img {
            width: 72px;
            height: 56px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
        }

        .recommend-card .r-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .recommend-card h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--brand-dark);
            margin-bottom: 2px;
            line-height: 1.4;
        }

        .recommend-card span {
            font-size: 0.8rem;
            color: var(--faint);
        }

        /* 页脚 */
        .site-footer {
            background: var(--brand-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 0;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-brand-name {
            font-family: var(--font-display);
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
            max-width: 300px;
        }

        .footer-links h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-links ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-links li {
            margin-bottom: 8px;
        }

        .footer-links a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 16px;
            }
            .nav-links a {
                font-size: 0.85rem;
                padding: 5px 8px;
            }
            .category-hero h1 {
                font-size: 2.2rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .content-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .recommend-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-cta .btn-primary {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .category-hero {
                padding: 48px 0 40px;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero .hero-sub {
                font-size: 1rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
                text-align: center;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .content-card-grid {
                grid-template-columns: 1fr;
            }
            .recommend-grid {
                grid-template-columns: 1fr;
            }
            .depth-content {
                padding: 24px 20px;
            }
            .contact-form-wrap {
                padding: 24px 20px;
            }
            .content-section {
                padding: 48px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .nav-container {
                height: 60px;
            }
            .logo {
                font-size: 1.2rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-number {
                font-size: 1.4rem;
            }
            .section-head h2 {
                font-size: 1.5rem;
            }
        }