/* roulang page: index */
:root {
            --color-primary: #D97706;
            --color-primary-light: #F59E0B;
            --color-primary-dark: #B45309;
            --color-secondary: #0F766E;
            --color-secondary-light: #14B8A6;
            --color-bg: #FAF9F6;
            --color-card: #FFFFFF;
            --color-text: #1C1917;
            --color-text-secondary: #57534E;
            --color-text-muted: #A8A29E;
            --color-border: #E7E5E4;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
            --shadow-lg: 0 8px 24px rgba(0,0,0,0.08);
            --transition: all 0.25s ease;
            --container-width: 1200px;
            --header-h: 120px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

        a:hover {
            color: var(--color-primary-dark);
        }

        ul, ol {
            list-style: none;
        }

        button, input, select, textarea {
            font-family: inherit;
            font-size: 100%;
            line-height: 1.15;
            margin: 0;
            border: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

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

        .section {
            padding: 80px 0;
        }

        .section-header {
            max-width: 720px;
            margin-bottom: 48px;
        }

        .section-header.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            color: var(--color-text);
            margin-bottom: 12px;
        }

        .section-header p {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(217, 119, 6, 0.08);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(250, 249, 246, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
        }

        .header-top {
            border-bottom: 1px solid var(--color-border);
            padding: 8px 0;
        }

        .header-top .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .hot-keywords {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--color-text-secondary);
        }

        .hot-keywords span {
            color: var(--color-text-muted);
            white-space: nowrap;
        }

        .hot-keywords a {
            font-weight: 500;
            padding: 2px 10px;
            border-radius: 20px;
            background: rgba(15, 118, 110, 0.08);
            color: var(--color-secondary);
            white-space: nowrap;
        }

        .hot-keywords a:hover {
            background: rgba(15, 118, 110, 0.14);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
        }

        .header-actions a {
            color: var(--color-text-secondary);
        }

        .header-actions a:hover {
            color: var(--color-primary);
        }

        .header-main .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding-top: 12px;
            padding-bottom: 12px;
        }

        .logo {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            flex-shrink: 0;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-link {
            padding: 8px 16px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: var(--transition);
        }

        .nav-link:hover {
            color: var(--color-primary);
            background: rgba(217, 119, 6, 0.06);
        }

        .nav-link.active {
            color: var(--color-primary);
            font-weight: 600;
            background: rgba(217, 119, 6, 0.08);
        }

        .header-search {
            display: flex;
            align-items: center;
            gap: 0;
            flex: 1;
            max-width: 300px;
        }

        .header-search input {
            flex: 1;
            padding: 8px 14px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md) 0 0 var(--radius-md);
            font-size: 14px;
            background: var(--color-card);
            outline: none;
            min-height: 40px;
            transition: var(--transition);
        }

        .header-search input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.15);
        }

        .header-search button {
            padding: 8px 16px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-weight: 500;
            min-height: 40px;
            transition: var(--transition);
        }

        .header-search button:hover {
            background: var(--color-primary-dark);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
        }

        .hamburger span {
            width: 22px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: var(--transition);
        }

        @media (max-width: 991px) {
            .nav-list, .header-search {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .site-header {
                --header-h: 64px;
            }
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--color-bg);
            z-index: 2000;
            padding: 24px;
            overflow-y: auto;
        }

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

        .mobile-menu-close {
            font-size: 28px;
            line-height: 1;
            position: absolute;
            top: 16px;
            right: 20px;
            background: none;
            color: var(--color-text);
            padding: 8px;
        }

        .mobile-menu .nav-list {
            display: flex;
            flex-direction: column;
            align-items: stretch;
            gap: 4px;
            margin-top: 32px;
        }

        .mobile-menu .nav-link {
            padding: 14px 16px;
            font-size: 17px;
            border-radius: var(--radius-md);
            border-bottom: 1px solid var(--color-border);
        }

        .mobile-menu .header-search {
            display: flex;
            margin-top: 20px;
        }

        /* Hero */
        .hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            min-height: 75vh;
            display: flex;
            align-items: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, rgba(250,249,246,0.98) 0%, rgba(250,249,246,0.9) 50%, rgba(250,249,246,0.4) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 48px 0;
        }

        .hero-badge {
            display: inline-block;
            background: var(--color-secondary);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 24px;
            letter-spacing: 0.03em;
        }

        .hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 20px;
            max-width: 640px;
        }

        .hero h1 .highlight {
            color: var(--color-primary);
            position: relative;
            white-space: nowrap;
        }

        .hero-desc {
            font-size: 17px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            max-width: 520px;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
            min-height: 44px;
            justify-content: center;
            border: 1px solid transparent;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
        }

        .btn-outline {
            background: transparent;
            border-color: var(--color-border);
            color: var(--color-text);
        }

        .btn-outline:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(217, 119, 6, 0.04);
        }

        .btn-white {
            background: #fff;
            color: var(--color-primary-dark);
            font-weight: 600;
        }

        .btn-white:hover {
            background: rgba(255, 255, 255, 0.9);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid var(--color-border);
            flex-wrap: wrap;
        }

        .stat-item .stat-num {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text);
        }

        .stat-item .stat-label {
            font-size: 13px;
            color: var(--color-text-muted);
        }

        /* Coupon wall - hero right */
        .hero-coupon-wrap {
            position: absolute;
            right: 24px;
            top: 50%;
            transform: translateY(-50%);
            z-index: 3;
            width: 380px;
            background: rgba(255,255,255,0.92);
            border-radius: var(--radius-lg);
            padding: 36px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-lg);
            backdrop-filter: blur(8px);
        }

        .coupon-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .coupon-info {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 24px;
        }

        .coupon-value {
            font-size: 42px;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .coupon-value small {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-muted);
        }

        .coupon-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin: 16px 0;
        }

        .coupon-btn {
            width: 100%;
            padding: 14px;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
        }

        .coupon-btn:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .coupon-btn:active {
            transform: scale(0.98);
        }

        @media (max-width: 991px) {
            .hero {
                min-height: 50vh;
            }

            .hero h1 {
                font-size: 36px;
            }

            .hero-coupon-wrap {
                display: none;
            }
        }

        /* Category Cards */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .category-grid .category-card:first-child {
            grid-column: span 2;
        }

        .category-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px;
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 20px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .category-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: rgba(217, 119, 6, 0.4);
            transform: translateY(-2px);
        }

        .category-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            background: rgba(217, 119, 6, 0.1);
            flex-shrink: 0;
        }

        .category-info {
            flex: 1;
        }

        .category-info h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .category-count {
            display: inline-block;
            background: var(--color-secondary);
            color: #fff;
            font-size: 12px;
            padding: 2px 10px;
            border-radius: 20px;
            margin-left: 8px;
            vertical-align: middle;
        }

        .category-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 8px 0 14px;
            line-height: 1.6;
        }

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

        .tag-sm {
            font-size: 12px;
            padding: 3px 12px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            background: var(--color-bg);
        }

        .category-arrow {
            font-size: 24px;
            color: var(--color-text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .category-card:hover .category-arrow {
            transform: translateX(4px);
            color: var(--color-primary);
        }

        @media (max-width: 767px) {
            .category-grid {
                grid-template-columns: 1fr;
            }

            .category-grid .category-card:first-child {
                grid-column: span 1;
            }

            .category-card {
                padding: 20px;
            }
        }

        /* Scenario Section */
        .scenario-cards {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .scenario-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: grid;
            grid-template-columns: 200px 1fr;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

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

        .scenario-img {
            height: 100%;
            min-height: 200px;
            background-size: cover;
            background-position: center;
        }

        .scenario-content {
            padding: 24px 28px;
        }

        .scenario-content h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .scenario-content > p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-bottom: 12px;
        }

        .scenario-res-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 16px;
        }

        .scenario-res-list li {
            font-size: 12px;
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            background: var(--color-bg);
        }

        .scenario-link {
            font-size: 14px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .scenario-link:hover {
            gap: 8px;
        }

        @media (max-width: 767px) {
            .scenario-card {
                grid-template-columns: 1fr;
            }

            .scenario-img {
                min-height: 150px;
            }
        }

        /* Popular resources */
        .popular-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .popular-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            display: flex;
            gap: 16px;
            transition: var(--transition);
        }

        .popular-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(217, 119, 6, 0.3);
            transform: translateY(-2px);
        }

        .popular-thumb {
            width: 96px;
            height: 96px;
            border-radius: var(--radius-md);
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
        }

        .popular-info {
            flex: 1;
        }

        .popular-info h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .popular-info .res-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin: 6px 0;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .popular-meta {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        .popular-meta .badge {
            display: inline-block;
            background: var(--color-secondary);
            color: #fff;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 11px;
            margin-right: 8px;
        }

        @media (max-width: 991px) {
            .popular-list {
                grid-template-columns: 1fr;
            }
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            position: relative;
        }

        .testimonial-card::before {
            content: '\201C';
            font-size: 64px;
            font-family: Georgia, serif;
            color: var(--color-primary-light);
            position: absolute;
            top: 12px;
            left: 20px;
            opacity: 0.3;
        }

        .testimonial-text {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
            padding-top: 20px;
        }

        .testimonial-author {
            font-size: 13px;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        @media (max-width: 991px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Pricing */
        .pricing-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 24px;
        }

        .pricing-card {
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid var(--color-border);
            background: var(--color-card);
        }

        .pricing-card.free {
            border: 2px solid var(--color-secondary);
            position: relative;
            overflow: hidden;
        }

        .pricing-card.free::after {
            content: '默认方案';
            position: absolute;
            top: 16px;
            right: -24px;
            background: var(--color-secondary);
            color: #fff;
            font-size: 12px;
            padding: 4px 32px;
            transform: rotate(45deg);
        }

        .pricing-card.premium {
            border-color: var(--color-border);
        }

        .pricing-name {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .pricing-price {
            font-size: 42px;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 16px;
        }

        .pricing-price small {
            font-size: 16px;
            color: var(--color-text-muted);
            font-weight: 400;
            margin-left: 4px;
        }

        .pricing-list {
            margin: 20px 0 28px;
        }

        .pricing-list li {
            padding: 8px 0;
            font-size: 14px;
            color: var(--color-text-secondary);
            border-bottom: 1px dashed var(--color-border);
            display: flex;
            gap: 10px;
            align-items: center;
        }

        .pricing-list li::before {
            content: '✓';
            color: var(--color-secondary);
            font-weight: 700;
            flex-shrink: 0;
        }

        @media (max-width: 991px) {
            .pricing-grid {
                grid-template-columns: 1fr;
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 20px 0;
        }

        .faq-item:first-child {
            border-top: 1px solid var(--color-border);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-size: 17px;
            font-weight: 500;
            gap: 16px;
            background: none;
            width: 100%;
            text-align: left;
            color: var(--color-text);
            padding: 8px 0;
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            min-width: 24px;
            border-radius: 50%;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            padding: 0;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 8px 0 0;
        }

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

        /* CTA */
        .cta-section {
            padding: 80px 0;
        }

        .cta-box {
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 48px;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '免费';
            font-size: 160px;
            font-weight: 800;
            position: absolute;
            right: -20px;
            bottom: -40px;
            opacity: 0.08;
            color: #fff;
            line-height: 1;
        }

        .cta-title {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }

        .cta-subtitle {
            font-size: 15px;
            opacity: 0.85;
            position: relative;
            z-index: 1;
        }

        .cta-action {
            position: relative;
            z-index: 1;
            flex-shrink: 0;
        }

        @media (max-width: 767px) {
            .cta-box {
                padding: 28px;
                flex-direction: column;
                text-align: center;
            }
        }

        /* Footer */
        .site-footer {
            background: #1C1917;
            color: #D6D3D1;
            padding-top: 60px;
        }

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

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            color: #A8A29E;
            line-height: 1.6;
            max-width: 260px;
        }

        .footer h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: #A8A29E;
            font-size: 14px;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: #78716C;
        }

        .footer-bottom a {
            color: #A8A29E;
        }

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

        @media (max-width: 991px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        /* Floating coupon banner */
        .coupon-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.5);
            z-index: 3000;
            align-items: center;
            justify-content: center;
        }

        .coupon-overlay.open {
            display: flex;
        }

        .coupon-modal {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            max-width: 400px;
            width: 90%;
            padding: 32px;
            text-align: center;
            box-shadow: var(--shadow-lg);
        }

        .coupon-modal h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .coupon-modal p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-bottom: 20px;
        }

        .coupon-modal-close {
            margin-top: 16px;
            color: var(--color-text-muted);
            font-size: 14px;
        }

        /* Utility */
        .text-center {
            text-align: center;
        }

        .mt-1 { margin-top: 8px; }
        .mt-2 { margin-top: 16px; }
        .mt-3 { margin-top: 24px; }
        .mb-2 { margin-bottom: 16px; }

        @media (max-width: 767px) {
            .section {
                padding: 48px 0;
            }

            .section-header h2 {
                font-size: 26px;
            }

            .hero h1 {
                font-size: 30px;
            }

            .hero-desc {
                font-size: 15px;
            }

            .header-top .hot-keywords {
                display: none;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #D97706;
            --color-primary-light: #F59E0B;
            --color-primary-dark: #B45309;
            --color-secondary: #0F766E;
            --color-secondary-light: #14B8A6;
            --color-bg: #FAF9F6;
            --color-card: #FFFFFF;
            --color-text: #1C1917;
            --color-text-secondary: #57534E;
            --color-text-muted: #A8A29E;
            --color-border: #E7E5E4;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08);
            --transition: all 0.25s ease;
            --container-width: 1200px;
        }

        /* ===== Reset ===== */
        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: system-ui, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--color-primary-dark);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 100%;
            line-height: 1.15;
            margin: 0;
            border: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul {
            list-style: none;
        }
        input:focus,
        select:focus,
        textarea:focus,
        button:focus {
            outline: none;
        }
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }
        ::selection {
            background: rgba(217, 119, 6, 0.2);
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding: 80px 0;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            min-height: 44px;
            transition: var(--transition);
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 2px 6px rgba(217, 119, 6, 0.25);
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(180, 83, 9, 0.3);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 4px rgba(180, 83, 9, 0.3);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.35);
            backdrop-filter: blur(6px);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.6);
            transform: translateY(-2px);
        }
        .btn-light {
            background: #fff;
            color: var(--color-primary-dark);
        }
        .btn-light:hover {
            background: var(--color-bg);
            color: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ===== 徽章 / 标签 ===== */
        .badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-weight: 600;
            line-height: 1.5;
        }
        .badge-secondary {
            background: var(--color-secondary);
            color: #fff;
        }
        .badge-outline {
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            background: var(--color-card);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 20px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb-sep {
            opacity: 0.5;
            font-size: 12px;
        }
        .breadcrumb .current {
            color: #fff;
            font-weight: 500;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(250, 249, 246, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
        }
        .header-top {
            border-bottom: 1px solid var(--color-border);
            padding: 8px 0;
        }
        .header-top .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .hot-keywords {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-secondary);
        }
        .hot-keywords a {
            font-weight: 500;
            padding: 2px 10px;
            border-radius: 20px;
            background: rgba(15, 118, 110, 0.08);
            color: var(--color-secondary);
            white-space: nowrap;
        }
        .hot-keywords a:hover {
            background: rgba(15, 118, 110, 0.14);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
        }
        .header-actions a {
            color: var(--color-text-secondary);
        }
        .header-actions a:hover {
            color: var(--color-primary);
        }
        .header-main .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding-top: 12px;
            padding-bottom: 12px;
        }
        .logo {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            flex-shrink: 0;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-link {
            padding: 8px 16px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--color-primary);
            background: rgba(217, 119, 6, 0.06);
        }
        .nav-link.active {
            color: var(--color-primary);
            font-weight: 600;
            background: rgba(217, 119, 6, 0.08);
        }
        .header-search {
            display: flex;
            align-items: center;
            flex: 1;
            max-width: 300px;
        }
        .header-search input {
            flex: 1;
            padding: 8px 14px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md) 0 0 var(--radius-md);
            font-size: 14px;
            background: var(--color-card);
            outline: none;
            min-height: 40px;
            transition: var(--transition);
            width: 100%;
        }
        .header-search input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 2px rgba(217, 119, 6, 0.15);
        }
        .header-search button {
            min-height: 40px;
            padding: 0 16px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-size: 14px;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .header-search button:hover {
            background: var(--color-primary-dark);
        }
        .mobile-toggle {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            background: var(--color-card);
            color: var(--color-text);
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        /* ===== 分类 Hero ===== */
        .category-hero {
            position: relative;
            padding: 56px 0 40px;
            background:
                linear-gradient(115deg, rgba(28, 25, 23, 0.92) 0%, rgba(28, 25, 23, 0.78) 42%, rgba(217, 119, 6, 0.72) 100%),
                url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            color: #fff;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-content {
            max-width: 720px;
        }
        .hero-content .eyebrow {
            color: var(--color-primary-light);
            background: rgba(255, 255, 255, 0.12);
        }
        .hero-content h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            color: #fff;
        }
        .hero-desc {
            font-size: 17px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin-bottom: 28px;
        }
        .hero-stats {
            display: flex;
            align-items: center;
            gap: 40px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }
        .stat-item {
            display: flex;
            flex-direction: column;
        }
        .stat-item strong {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-primary-light);
            line-height: 1.2;
        }
        .stat-item span {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .countdown-bar {
            margin-top: 40px;
            background: rgba(28, 25, 23, 0.55);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            backdrop-filter: blur(10px);
        }
        .countdown-info {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .countdown-label {
            font-size: 13px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.02em;
        }
        .countdown-time {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary-light);
            font-variant-numeric: tabular-nums;
        }
        .countdown-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background: var(--color-primary);
            padding: 8px 18px;
            border-radius: var(--radius-md);
            transition: var(--transition);
            min-height: 40px;
        }
        .countdown-cta:hover {
            background: var(--color-primary-dark);
            color: #fff;
            transform: translateY(-1px);
        }

        /* ===== 筛选条 ===== */
        .resource-section {
            padding: 48px 0 80px;
        }
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 16px 20px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        .filter-bar select {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 8px 36px 8px 14px;
            font-size: 14px;
            color: var(--color-text);
            background: var(--color-card) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2357534E' stroke-width='1.5' fill='none' stroke-linecap='round' fill-rule='evenodd'/%3E%3C/svg%3E") no-repeat right 14px center;
            appearance: none;
            -webkit-appearance: none;
            min-height: 40px;
            transition: var(--transition);
            cursor: pointer;
        }
        .filter-bar select:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 2px rgba(217, 119, 6, 0.15);
        }
        .filter-search {
            display: flex;
            align-items: center;
            flex: 1;
            min-width: 220px;
        }
        .filter-search input {
            flex: 1;
            padding: 8px 14px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md) 0 0 var(--radius-md);
            font-size: 14px;
            background: var(--color-card);
            min-height: 40px;
            transition: var(--transition);
            width: 100%;
        }
        .filter-search input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 2px rgba(217, 119, 6, 0.15);
        }
        .filter-search button {
            min-height: 40px;
            padding: 0 18px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
        }
        .filter-search button:hover {
            background: var(--color-primary-dark);
        }

        /* ===== 主体布局 ===== */
        .category-layout {
            display: grid;
            grid-template-columns: 8fr 4fr;
            gap: 28px;
            align-items: start;
        }

        /* ===== 资源列表卡片 ===== */
        .resource-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .resource-item {
            display: flex;
            gap: 20px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 16px;
            transition: var(--transition);
            position: relative;
        }
        .resource-item:hover {
            box-shadow: var(--shadow-lg);
            border-color: rgba(217, 119, 6, 0.35);
            transform: translateY(-2px);
        }
        .resource-thumb {
            flex-shrink: 0;
            width: 160px;
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
            align-self: flex-start;
        }
        .resource-thumb img {
            width: 100%;
            height: 110px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .resource-item:hover .resource-thumb img {
            transform: scale(1.03);
        }
        .free-badge {
            position: absolute;
            top: 8px;
            left: 8px;
            background: var(--color-secondary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 20px;
            box-shadow: var(--shadow-sm);
        }
        .resource-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
            min-width: 0;
        }
        .resource-title-row {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .resource-title-row h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.3;
        }
        .resource-category {
            font-size: 12px;
            font-weight: 600;
            background: rgba(217, 119, 6, 0.08);
            color: var(--color-primary);
            padding: 2px 10px;
            border-radius: 20px;
        }
        .resource-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .resource-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .resource-tags span {
            font-size: 12px;
            color: var(--color-text-secondary);
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            padding: 2px 10px;
            border-radius: var(--radius-sm);
        }
        .resource-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 2px;
            flex-wrap: wrap;
        }
        .resource-meta .dot {
            opacity: 0.4;
        }
        .resource-meta .rating {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ===== 分页 ===== */
        .pagination {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        .page-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 14px;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            background: var(--color-card);
            font-size: 14px;
            color: var(--color-text-secondary);
            transition: var(--transition);
        }
        .page-link:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        .page-link.current {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }
        .page-dots {
            color: var(--color-text-muted);
            padding: 0 4px;
        }

        /* ===== 侧边栏 ===== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 140px;
        }
        .sidebar-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 24px;
        }
        .sidebar-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--color-border);
            position: relative;
        }
        .sidebar-card h3::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -1px;
            width: 32px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }
        .hot-list {
            display: flex;
            flex-direction: column;
        }
        .hot-list li {
            border-bottom: 1px solid var(--color-border);
        }
        .hot-list li:last-child {
            border-bottom: none;
        }
        .hot-list a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 4px;
            font-size: 14px;
            color: var(--color-text-secondary);
            transition: var(--transition);
        }
        .hot-list a:hover {
            color: var(--color-primary);
            padding-left: 8px;
        }
        .hot-list .arrow {
            color: var(--color-text-muted);
            font-size: 13px;
            transition: var(--transition);
        }
        .hot-list a:hover .arrow {
            color: var(--color-primary);
            transform: translateX(4px);
        }
        .timeline-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .timeline-list li {
            position: relative;
            padding: 8px 0 8px 20px;
            font-size: 14px;
            color: var(--color-text-secondary);
            border-bottom: 1px solid var(--color-border);
        }
        .timeline-list li:last-child {
            border-bottom: none;
        }
        .timeline-list li::before {
            content: '';
            position: absolute;
            left: 4px;
            top: 17px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-primary-light);
        }
        .timeline-list .tl-date {
            display: block;
            font-size: 12px;
            color: var(--color-text-muted);
            margin-bottom: 2px;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud a {
            font-size: 13px;
            color: var(--color-text-secondary);
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            padding: 4px 12px;
            border-radius: 20px;
            transition: var(--transition);
        }
        .tag-cloud a:hover {
            background: rgba(217, 119, 6, 0.08);
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0;
            background: var(--color-bg);
            border-top: 1px solid var(--color-border);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--color-border);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 4px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            background: none;
            transition: var(--transition);
            min-height: auto;
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-icon {
            position: relative;
            width: 20px;
            height: 20px;
            flex-shrink: 0;
        }
        .faq-icon::before,
        .faq-icon::after {
            content: '';
            position: absolute;
            background: var(--color-primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .faq-icon::before {
            top: 9px;
            left: 0;
            width: 20px;
            height: 2px;
        }
        .faq-icon::after {
            top: 0;
            left: 9px;
            width: 2px;
            height: 20px;
        }
        .faq-item.open .faq-icon::after {
            transform: rotate(90deg);
            opacity: 0;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer p {
            padding: 0 4px 18px;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
        }
        .cta-box {
            background: linear-gradient(120deg, var(--color-primary-dark), var(--color-primary));
            border-radius: var(--radius-lg);
            padding: 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            color: #fff;
            box-shadow: 0 12px 32px rgba(180, 83, 9, 0.25);
        }
        .cta-text h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }
        .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            flex: 1;
            max-width: 440px;
            flex-wrap: wrap;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            border: none;
            font-size: 14px;
            background: rgba(255, 255, 255, 0.95);
            color: var(--color-text);
            min-height: 44px;
        }
        .cta-form input:focus {
            box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
        }
        .cta-form input::placeholder {
            color: var(--color-text-muted);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #1C1917;
            color: #D6D3D1;
            padding-top: 64px;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand p {
            color: #A8A29E;
            max-width: 320px;
            line-height: 1.7;
            font-size: 14px;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: #A8A29E;
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--color-primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: #78716C;
        }
        .footer-bottom a {
            color: #A8A29E;
        }
        .footer-bottom a:hover {
            color: var(--color-primary-light);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991px) {
            .header-top .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .header-main .container {
                flex-wrap: wrap;
                position: relative;
            }
            .nav-list {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--color-card);
                border-top: 1px solid var(--color-border);
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px;
                gap: 4px;
                display: none;
                z-index: 900;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-link {
                padding: 12px 16px;
                border-radius: var(--radius-md);
            }
            .header-search {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .category-layout {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .hero-content h1 {
                font-size: 36px;
            }
        }
        @media (max-width: 767px) {
            .section {
                padding: 48px 0;
            }
            .category-hero {
                padding: 36px 0 28px;
            }
            .hero-content h1 {
                font-size: 30px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-stats {
                gap: 24px;
            }
            .stat-item strong {
                font-size: 20px;
            }
            .countdown-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .countdown-info {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .filter-bar {
                flex-wrap: nowrap;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                padding: 14px;
            }
            .filter-bar select,
            .filter-search {
                flex: 0 0 auto;
                min-width: 150px;
            }
            .filter-search {
                min-width: 220px;
            }
            .resource-item {
                flex-direction: column;
                padding: 14px;
            }
            .resource-thumb {
                width: 100%;
            }
            .resource-thumb img {
                height: 140px;
            }
            .cta-box {
                padding: 32px 24px;
                flex-direction: column;
                align-items: stretch;
            }
            .cta-form {
                max-width: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-actions .btn {
                flex: 1;
                min-width: 140px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .logo {
                font-size: 20px;
            }
            .nav-link {
                font-size: 15px;
            }
            .hero-content h1 {
                font-size: 26px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .countdown-cta {
                width: 100%;
                justify-content: center;
            }
            .resource-title-row h3 {
                font-size: 16px;
            }
            .resource-tags span {
                font-size: 11px;
            }
            .faq-question {
                font-size: 15px;
            }
        }