/* roulang page: index */
:root {
            --primary: #2B7FA7;
            --primary-dark: #226A8C;
            --primary-light: #DCEBF3;
            --accent: #F27A2A;
            --accent-dark: #D9641A;
            --bg: #F5F9FC;
            --white: #FFFFFF;
            --text: #16242E;
            --text-light: #5A7281;
            --border: #E2ECF2;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-pill: 500px;
            --shadow-card: 0 2px 12px rgba(43, 127, 167, 0.06);
            --shadow-hover: 0 8px 28px rgba(43, 127, 167, 0.12);
            --shadow-cta: 0 12px 40px rgba(43, 127, 167, 0.18);
            --font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
            --spacing-section: 96px;
            --spacing-section-mobile: 56px;
            --spacing-block: 64px;
            --spacing-block-mobile: 40px;
        }

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

        html { scroll-behavior: smooth; }

        body {
            font-family: var(--font-family);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            font-size: 1rem;
            overflow-x: hidden;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-family);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.02em;
            color: var(--text);
        }

        h1 { font-size: clamp(2rem, 4vw, 3.25rem); font-weight: 900; line-height: 1.2; }
        h2 { font-size: 1.75rem; font-weight: 700; }
        h3 { font-size: 1.125rem; font-weight: 600; }
        h4 { font-size: 1rem; font-weight: 600; }

        p { margin-bottom: 1rem; }

        a { color: var(--primary); text-decoration: none; transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease; }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; }

        .container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }
        .container-lg { max-width: 1200px; }

        .section-padding { padding: var(--spacing-section) 0; }
        .block-padding { padding: var(--spacing-block) 0; }

        .text-light { color: var(--text-light); }
        .text-primary { color: var(--primary); }
        .text-accent { color: var(--accent); }

        .bg-primary-light { background-color: rgba(220, 235, 243, 0.4); }

        .fs-14 { font-size: 0.875rem; }
        .fs-16 { font-size: 1rem; }
        .fs-18 { font-size: 1.125rem; }

        .fw-medium { font-weight: 500; }

        .shadow-card { box-shadow: var(--shadow-card); }
        .shadow-hover { transition: box-shadow 0.3s ease, transform 0.3s ease; }
        .shadow-hover:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }

        .btn {
            border-radius: var(--radius-pill);
            padding: 10px 24px;
            font-weight: 500;
            transition: all 0.3s ease;
            border: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 1rem;
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--white);
            border: none;
        }
        .btn-primary:hover {
            background-color: var(--primary-dark);
            color: var(--white);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .btn-accent {
            background-color: var(--accent);
            color: var(--white);
            border: none;
        }
        .btn-accent:hover {
            background-color: var(--accent-dark);
            color: var(--white);
            box-shadow: 0 6px 24px rgba(242, 122, 42, 0.35);
            transform: translateY(-2px);
        }

        .btn-outline-primary {
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline-primary:hover {
            background-color: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-outline-white {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.8);
            color: var(--white);
        }
        .btn-outline-white:hover {
            background-color: rgba(255, 255, 255, 0.15);
            color: var(--white);
            border-color: var(--white);
        }

        .btn-lg { padding: 14px 36px; font-size: 1.0625rem; }
        .btn-sm { padding: 6px 18px; font-size: 0.875rem; }

        .btn:focus, .form-control:focus, .form-check-input:focus, .accordion-button:focus {
            outline: 3px solid rgba(43, 127, 167, 0.25);
            box-shadow: none;
        }

        .badge-pill-custom {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 6px;
            background-color: var(--primary-light);
            color: var(--primary);
            font-size: 0.8125rem;
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        .badge-accent {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 6px;
            background-color: rgba(242, 122, 42, 0.12);
            color: var(--accent);
            font-size: 0.8125rem;
            font-weight: 700;
        }

        /* header nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background-color: rgba(255, 255, 255, 0.92);
            border-bottom: 1px solid var(--border);
            backdrop-filter: none;
        }

        .navbar-custom {
            padding: 14px 0;
            position: relative;
        }

        .nav-logo {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            top: 50%;
            margin-top: -20px;
            width: 220px;
            text-align: center;
            z-index: 2;
        }

        .nav-logo a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 1.375rem;
            font-weight: 900;
            color: var(--primary);
            letter-spacing: 0.02em;
            line-height: 1.2;
        }

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

        .nav-logo .logo-icon {
            width: 34px;
            height: 34px;
            background-color: var(--primary);
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 1.0625rem;
            flex-shrink: 0;
        }

        .nav-links-left, .nav-links-right {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-links-left { padding-right: 240px; }
        .nav-links-right { padding-left: 240px; }

        .nav-links-left.nav-list, .nav-links-right.nav-list {
            list-style: none;
            margin: 0;
            padding-left: 0;
        }

        .nav-links-left.nav-list .nav-link-custom, .nav-links-right.nav-list .nav-link-custom {
            font-size: 1rem;
            font-weight: 500;
            color: var(--text);
            padding: 8px 2px;
            position: relative;
            display: inline-block;
            white-space: nowrap;
        }

        .nav-link-custom::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent);
            border-radius: 2px;
            transition: width 0.3s ease;
        }

        .nav-link-custom:hover { color: var(--primary); }
        .nav-link-custom:hover::after { width: 100%; }
        .nav-link-custom.active { color: var(--primary); font-weight: 700; }
        .nav-link-custom.active::after { width: 100%; }

        .navbar-toggler-custom {
            border: none;
            background: transparent;
            width: 44px;
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            color: var(--primary);
            font-size: 1.375rem;
            transition: background-color 0.2s ease;
        }

        .navbar-toggler-custom:hover {
            background-color: var(--primary-light);
        }

        .navbar-toggler-custom:focus {
            outline: 3px solid rgba(43, 127, 167, 0.25);
        }

        .mobile-menu {
            display: none;
            background-color: var(--white);
            border-top: 1px solid var(--border);
            padding: 16px 24px 24px;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            z-index: 1049;
            box-shadow: 0 18px 30px rgba(22, 36, 46, 0.1);
            border-radius: 0 0 16px 16px;
        }

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

        .mobile-menu a {
            display: block;
            padding: 14px 8px;
            border-bottom: 1px solid var(--border);
            color: var(--text);
            font-size: 1.25rem;
            font-weight: 500;
        }

        .mobile-menu a:last-child { border-bottom: none; }
        .mobile-menu a:hover { color: var(--primary); background-color: rgba(220, 235, 243, 0.3); border-radius: 8px; }
        .mobile-menu a.active { color: var(--primary); font-weight: 700; }

        /* hero */
        .hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(255, 255, 255, 0.92) 0%, rgba(255, 255, 255, 0.65) 60%, rgba(255, 255, 255, 0.3) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
            padding: 80px 0;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--accent);
            color: #fff;
            padding: 4px 16px;
            border-radius: 6px;
            font-size: 0.875rem;
            font-weight: 500;
            margin-bottom: 20px;
            box-shadow: 0 4px 14px rgba(242, 122, 42, 0.25);
        }

        .hero h1 {
            margin-bottom: 16px;
            color: var(--text);
        }

        .hero-sub {
            font-size: 1.125rem;
            color: var(--text-light);
            font-weight: 500;
            margin-bottom: 32px;
            line-height: 1.7;
            max-width: 560px;
        }

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

        /* section header */
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 40px;
            flex-wrap: wrap;
            gap: 16px;
        }

        .section-title-wrap { max-width: 600px; }

        .section-title-wrap h2 {
            margin-bottom: 8px;
        }

        .section-title-wrap p {
            color: var(--text-light);
            font-size: 0.9375rem;
            margin-bottom: 0;
        }

        .section-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .arrow-btn {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 1.5px solid var(--primary-light);
            background-color: var(--white);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            font-size: 1rem;
        }

        .arrow-btn:hover {
            background-color: var(--primary);
            border-color: var(--primary);
            color: var(--white);
            box-shadow: 0 4px 14px rgba(43, 127, 167, 0.2);
        }

        /* horizontal slider */
        .slider-section {
            padding: var(--spacing-section) 0;
            background-color: var(--bg);
        }

        .hscroll-wrap {
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding-bottom: 8px;
            margin: 0 -12px;
            padding-left: 12px;
            padding-right: 12px;
        }

        .hscroll-wrap::-webkit-scrollbar { display: none; }

        .slider-track {
            display: flex;
            gap: 24px;
            padding: 8px 4px 20px;
        }

        .slider-card {
            flex: 0 0 260px;
            max-width: 280px;
            background-color: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
            scroll-snap-align: start;
        }

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

        .slider-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
            background-color: var(--primary-light);
        }

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

        .slider-card:hover .card-img-wrap img {
            transform: scale(1.03);
        }

        .slider-card .card-body {
            padding: 20px;
        }

        .slider-card .card-title {
            font-size: 1.125rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
            line-height: 1.4;
        }

        .slider-card .card-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }

        .tag-chip {
            display: inline-block;
            padding: 2px 10px;
            background-color: var(--primary-light);
            color: var(--primary);
            border-radius: 6px;
            font-size: 0.75rem;
            font-weight: 500;
        }

        .slider-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--text-light);
            font-size: 0.8125rem;
            font-weight: 500;
        }

        .slider-card .card-meta .heat {
            color: var(--accent);
            font-weight: 700;
            font-variant-numeric: tabular-nums;
        }

        /* hot picks */
        .hot-section {
            padding: var(--spacing-section) 0;
            background-color: rgba(220, 235, 243, 0.4);
        }

        .hot-card {
            background-color: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
            border: none;
        }

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

        .hot-card .hot-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
            background-color: var(--primary-light);
        }

        .hot-card .hot-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hot-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background-color: var(--accent);
            color: var(--white);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 500px;
            box-shadow: 0 4px 10px rgba(242, 122, 42, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            z-index: 2;
        }

        .hot-badge i { font-size: 0.625rem; }

        .hot-card .hot-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .hot-card .hot-title {
            font-size: 1.125rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
            line-height: 1.4;
            transition: color 0.2s ease;
        }

        .hot-card .hot-title a {
            color: inherit;
        }

        .hot-card .hot-title a:hover { color: var(--primary); }

        .hot-card .hot-desc {
            font-size: 0.875rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 2.9em;
        }

        .hot-card .hot-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid var(--border);
            margin-top: auto;
        }

        .hot-footer .heat-value {
            color: var(--accent);
            font-weight: 800;
            font-size: 1.125rem;
            font-variant-numeric: tabular-nums;
        }

        .hot-footer .cat-name {
            color: var(--text-light);
            font-size: 0.8125rem;
        }

        .hot-footer .go-link {
            color: var(--primary);
            font-size: 0.875rem;
            font-weight: 600;
        }

        .hot-card .stretched-link::after {
            content: '';
            position: absolute;
            inset: 0;
            z-index: 1;
        }

        /* playlist section */
        .playlist-section {
            padding: var(--spacing-section) 0;
            background-color: var(--bg);
        }

        .playlist-block {
            margin-bottom: 56px;
        }

        .playlist-block:last-child { margin-bottom: 0; }

        .playlist-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .playlist-title {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .playlist-title .play-icon {
            width: 44px;
            height: 44px;
            background-color: var(--primary);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 1.125rem;
        }

        .playlist-title h3 {
            font-size: 1.375rem;
            font-weight: 700;
            margin-bottom: 0;
        }

        .playlist-more {
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--primary);
        }

        .playlist-grid {
            display: grid;
            grid-template-columns: 320px 1fr;
            gap: 32px;
            align-items: stretch;
            border-radius: var(--radius-lg);
            background-color: var(--white);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .playlist-cover {
            position: relative;
            min-height: 320px;
            background-color: var(--primary-light);
        }

        .playlist-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .playlist-list {
            padding: 28px 32px;
            display: flex;
            flex-direction: column;
        }

        .playlist-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 8px;
            border-bottom: 1px dashed var(--border);
            transition: background-color 0.2s ease, padding-left 0.3s ease;
        }

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

        .playlist-item:hover {
            background-color: rgba(220, 235, 243, 0.2);
            padding-left: 14px;
        }

        .playlist-item .item-order {
            font-size: 1.625rem;
            font-weight: 900;
            color: var(--primary-light);
            min-width: 48px;
            font-variant-numeric: tabular-nums;
            transition: color 0.2s ease;
            line-height: 1;
        }

        .playlist-item:hover .item-order { color: var(--accent); }

        .playlist-item .item-text {
            flex: 1;
            min-width: 0;
        }

        .playlist-item .item-text h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .playlist-item .item-text p {
            font-size: 0.8125rem;
            color: var(--text-light);
            margin-bottom: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .playlist-item .item-arrow {
            color: var(--primary);
            opacity: 0.4;
            font-size: 0.875rem;
            transition: opacity 0.2s ease, transform 0.2s ease;
        }

        .playlist-item:hover .item-arrow {
            opacity: 1;
            transform: translateX(4px);
        }

        /* news section */
        .news-section {
            padding: var(--spacing-section) 0;
            background-color: var(--bg);
        }

        .news-card {
            background-color: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 28px;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
            border: 1px solid transparent;
        }

        .news-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(43, 127, 167, 0.15);
        }

        .news-card .news-cat {
            margin-bottom: 12px;
        }

        .news-card .news-title {
            font-size: 1.125rem;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 3.2em;
        }

        .news-card .news-title a { color: var(--text); }
        .news-card .news-title a:hover { color: var(--primary); }

        .news-card .news-desc {
            font-size: 0.875rem;
            color: var(--text-light);
            margin-bottom: 20px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .news-card .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border);
            font-size: 0.8125rem;
        }

        .news-meta .meta-date {
            color: var(--text-light);
            font-variant-numeric: tabular-nums;
        }

        .news-meta .read-more {
            color: var(--primary);
            font-weight: 600;
        }

        .news-empty {
            text-align: center;
            padding: 60px 20px;
            background-color: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            color: var(--text-light);
        }

        .news-empty i {
            font-size: 2.5rem;
            color: var(--primary-light);
            margin-bottom: 16px;
            display: block;
        }

        /* CTA */
        .cta-section {
            padding: var(--spacing-section) 0;
            background-color: var(--bg);
        }

        .cta-box {
            background-color: var(--primary);
            border-radius: 24px;
            padding: 64px 48px;
            text-align: center;
            color: var(--white);
            box-shadow: var(--shadow-cta);
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 260px;
            height: 260px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
        }

        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 220px;
            height: 220px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 50%;
        }

        .cta-box h2 {
            color: var(--white);
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .cta-box p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.0625rem;
            margin-bottom: 36px;
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* FAQ */
        .faq-section {
            padding: var(--spacing-section) 0;
            background-color: var(--bg);
        }

        .faq-item {
            background-color: var(--white);
            border-radius: 12px;
            box-shadow: var(--shadow-card);
            margin-bottom: 16px;
            overflow: hidden;
            border: 1px solid transparent;
            transition: box-shadow 0.3s ease;
        }

        .faq-item:hover { box-shadow: var(--shadow-hover); }

        .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            gap: 16px;
        }

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: var(--primary-light);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.875rem;
            flex-shrink: 0;
            transition: all 0.3s ease;
        }

        .faq-item.active .faq-icon {
            background-color: var(--accent);
            color: var(--white);
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-light);
            font-size: 0.9375rem;
            display: none;
            line-height: 1.8;
        }

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

        /* footer */
        .site-footer {
            background-color: var(--white);
            border-top: 1px solid var(--border);
            padding-top: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 1.375rem;
            font-weight: 900;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .footer-logo .logo-icon {
            width: 34px;
            height: 34px;
            background-color: var(--primary);
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 1.0625rem;
        }

        .footer-brand p {
            color: var(--text-light);
            font-size: 0.875rem;
            line-height: 1.8;
            margin-bottom: 0;
            max-width: 300px;
        }

        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text);
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 12px;
        }

        .footer-col ul li a {
            color: var(--text-light);
            font-size: 0.875rem;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

        .footer-col ul li a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-light);
            font-size: 0.875rem;
        }

        .footer-contact i {
            color: var(--primary);
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 24px 0;
            text-align: center;
            color: var(--text-light);
            font-size: 0.8125rem;
        }

        .footer-bottom p { margin-bottom: 0; }

        /* responsive */
        @media (min-width: 1400px) {
            .container { max-width: 1280px; }
        }

        @media (max-width: 1199.98px) {
            .nav-links-left { padding-right: 200px; }
            .nav-links-right { padding-left: 200px; }
            .nav-logo { width: 190px; }
            .nav-links-left, .nav-links-right { gap: 20px; }
            .playlist-grid { grid-template-columns: 280px 1fr; }
        }

        @media (max-width: 991.98px) {
            .navbar-desktop {
                display: none;
            }

            .navbar-custom {
                display: flex;
                align-items: center;
                justify-content: space-between;
                padding: 12px 0;
            }

            .nav-logo {
                position: static;
                transform: none;
                width: auto;
                margin: 0;
            }

            .mobile-toggle-wrap {
                display: block;
            }

            .section-padding { padding: var(--spacing-section-mobile) 0; }

            .hero { min-height: 440px; }

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

            .playlist-cover {
                min-height: 220px;
            }

            .playlist-cover img {
                position: static;
                height: 220px;
                object-fit: cover;
            }

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

        @media (max-width: 767.98px) {
            .section-padding { padding: 56px 0; }

            .hero { min-height: 380px; }

            .hero-content { padding: 48px 0; }

            .hero-actions .btn { width: 100%; }

            .section-header { align-items: flex-start; flex-direction: column; }

            .slider-card { flex: 0 0 240px; }

            .hot-card .hot-body { padding: 16px; }

            .playlist-list { padding: 16px 20px; }

            .playlist-item { padding: 14px 8px; gap: 12px; }

            .playlist-item .item-order { font-size: 1.25rem; min-width: 36px; }

            .news-card { padding: 20px; }

            .cta-box { padding: 40px 24px; }

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

            .cta-actions .btn { width: 100%; max-width: 280px; }
        }

        @media (max-width: 575.98px) {
            .container { padding-left: 20px; padding-right: 20px; }
            
            h1 { font-size: 1.875rem; }

            .slider-card { flex: 0 0 220px; }

            .playlist-item .item-text p { white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #2B7FA7;
            --primary-dark: #226A8C;
            --primary-light: #DCEBF3;
            --accent: #F27A2A;
            --accent-dark: #D9641A;
            --bg: #F5F9FC;
            --card: #FFFFFF;
            --text: #16242E;
            --text-muted: #5A7281;
            --border: #E2ECF2;
            --radius: 16px;
            --radius-sm: 8px;
            --radius-pill: 500px;
            --shadow: 0 2px 12px rgba(43, 127, 167, 0.06);
            --shadow-hover: 0 8px 28px rgba(43, 127, 167, 0.12);
            --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
            --transition: all 0.3s ease;
        }

        /* ========== 基础 Reset ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 1rem;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: var(--primary);
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: var(--font);
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: none;
            border-bottom: 1px solid var(--border);
        }
        .navbar-custom {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 0;
            min-height: 76px;
            position: relative;
        }
        .navbar-desktop {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0;
            padding: 0;
            flex: 1;
        }
        .nav-links-left {
            justify-content: flex-end;
        }
        .nav-links-right {
            justify-content: flex-start;
        }
        .nav-logo {
            width: 240px;
            text-align: center;
            flex-shrink: 0;
        }
        .nav-logo a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 1.25rem;
            font-weight: 900;
            color: var(--text);
            letter-spacing: 0.02em;
        }
        .nav-logo a:hover {
            color: var(--primary);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.9rem;
        }
        .nav-link-custom {
            display: inline-block;
            padding: 8px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-pill);
            position: relative;
            line-height: 1.5;
        }
        .nav-link-custom:hover {
            color: var(--primary);
            background: rgba(43, 127, 167, 0.05);
        }
        .nav-link-custom.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-link-custom.active::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .navbar-toggler-custom {
            background: transparent;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            width: 44px;
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--text);
            transition: var(--transition);
        }
        .navbar-toggler-custom:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .navbar-toggler-custom:focus {
            outline: 3px solid rgba(43, 127, 167, 0.25);
            outline-offset: 2px;
        }
        .mobile-menu {
            display: none;
            flex-direction: column;
            padding: 16px 0 24px;
            border-top: 1px solid var(--border);
        }
        .mobile-menu.show {
            display: flex;
        }
        .mobile-menu a {
            padding: 12px 16px;
            font-size: 1.25rem;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .mobile-menu a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .mobile-menu a.active {
            color: var(--primary);
            font-weight: 700;
            background: rgba(43, 127, 167, 0.06);
        }

        /* ========== Hero 分类介绍区 ========== */
        .hero-category {
            padding: 80px 0;
            background: linear-gradient(90deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.72)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            border-bottom: 1px solid var(--border);
        }
        .hero-category .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.03em;
            margin-bottom: 20px;
        }
        .hero-category h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: 0.02em;
            color: var(--text);
            margin-bottom: 18px;
        }
        .hero-category .hero-lead {
            font-size: 1.125rem;
            color: var(--text-muted);
            max-width: 480px;
            line-height: 1.8;
            margin-bottom: 28px;
            font-weight: 400;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .hero-img-wrap {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            position: relative;
        }
        .hero-img-wrap img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            border-radius: var(--radius);
        }
        .hero-img-wrap::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 70%, rgba(22, 36, 46, 0.25));
            border-radius: var(--radius);
        }

        /* ========== 按钮 ========== */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(43, 127, 167, 0.18);
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(43, 127, 167, 0.25);
        }
        .btn-primary-custom:focus {
            outline: 3px solid rgba(43, 127, 167, 0.25);
            outline-offset: 2px;
        }
        .btn-accent-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(242, 122, 42, 0.2);
        }
        .btn-accent-custom:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-accent-custom:focus {
            outline: 3px solid rgba(242, 122, 42, 0.3);
            outline-offset: 2px;
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
            font-weight: 600;
            font-size: 1rem;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-outline-custom:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-outline-custom:focus {
            outline: 3px solid rgba(43, 127, 167, 0.25);
            outline-offset: 2px;
        }

        /* ========== 区块标题 ========== */
        .section-pad {
            padding: 80px 0;
        }
        .section-head {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 56px;
        }
        .section-head .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.03em;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 800;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .section-head p {
            color: var(--text-muted);
            font-size: 1.05rem;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ========== 竞技项目速览 ========== */
        .projects-overview {
            background: var(--bg);
        }
        .project-card {
            background: var(--card);
            border-radius: var(--radius);
            padding: 32px 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .project-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary);
            opacity: 0;
            transition: var(--transition);
        }
        .project-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .project-card:hover::before {
            opacity: 1;
        }
        .project-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 20px;
            transition: var(--transition);
        }
        .project-card:hover .project-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }
        .project-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }
        .project-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .project-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .project-tags .tag {
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 500;
            padding: 3px 12px;
            border-radius: 6px;
        }

        /* ========== 数据统计 ========== */
        .stats-highlight {
            background: var(--primary-light);
            position: relative;
        }
        .stats-highlight .section-head h2 {
            color: var(--text);
        }
        .stat-item {
            text-align: center;
            padding: 36px 20px;
            background: var(--card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            height: 100%;
            transition: var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
            margin-bottom: 6px;
        }
        .stat-number .unit {
            font-size: 1.1rem;
            font-weight: 600;
            margin-left: 2px;
        }
        .stat-label {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* ========== 图文内容区 ========== */
        .feature-spotlight {
            background: var(--bg);
        }
        .feature-item {
            display: flex;
            align-items: center;
            gap: 48px;
            margin-bottom: 72px;
        }
        .feature-item:last-child {
            margin-bottom: 0;
        }
        .feature-item.reverse {
            flex-direction: row-reverse;
        }
        .feature-image {
            flex: 1;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
        }
        .feature-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .feature-image:hover img {
            transform: scale(1.03);
        }
        .feature-content {
            flex: 1;
        }
        .feature-content .feature-tag {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
        }
        .feature-content h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text);
        }
        .feature-content p {
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .feature-list {
            margin-bottom: 20px;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 10px;
            color: var(--text);
            font-size: 0.95rem;
        }
        .feature-list li i {
            color: var(--primary);
            margin-top: 5px;
            font-size: 0.85rem;
        }
        .feature-link {
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .feature-link:hover {
            gap: 10px;
        }

        /* ========== 接入指南 ========== */
        .steps-guide {
            background: var(--card);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .step-card {
            text-align: center;
            padding: 40px 28px;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            background: var(--bg);
            height: 100%;
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .step-num {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 1.3rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 4px 12px rgba(43, 127, 167, 0.25);
        }
        .step-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .step-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg);
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card);
            border-radius: 12px;
            border: 1px solid var(--border);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
        }
        .faq-item.open {
            box-shadow: var(--shadow);
            border-color: var(--primary-light);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            flex-shrink: 0;
            transition: var(--transition);
        }
        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            display: none;
            padding: 0 24px 20px;
            color: var(--text-muted);
            line-height: 1.8;
            font-size: 0.95rem;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 80px 0;
            background: var(--bg);
        }
        .cta-box {
            background: var(--primary);
            border-radius: 24px;
            padding: 64px 48px;
            text-align: center;
            color: #fff;
            box-shadow: 0 12px 40px rgba(43, 127, 167, 0.18);
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }
        .cta-box::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
        }
        .cta-box h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 14px;
            color: #fff;
            position: relative;
            z-index: 1;
        }
        .cta-box p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.05rem;
            max-width: 520px;
            margin: 0 auto 32px;
            position: relative;
            z-index: 1;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
            position: relative;
            z-index: 1;
        }
        .btn-cta-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: var(--radius-pill);
            border: none;
            transition: var(--transition);
        }
        .btn-cta-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(0, 0, 0, 0.15);
        }
        .btn-cta-accent:focus {
            outline: 3px solid rgba(242, 122, 42, 0.4);
            outline-offset: 2px;
        }
        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.8);
            color: #fff;
            font-weight: 600;
            padding: 13px 30px;
            border-radius: var(--radius-pill);
            transition: var(--transition);
        }
        .btn-cta-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-cta-outline:focus {
            outline: 3px solid rgba(255, 255, 255, 0.3);
            outline-offset: 2px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--card);
            border-top: 1px solid var(--border);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 16px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .footer-col h5 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .footer-contact li i {
            color: var(--primary);
            margin-top: 6px;
            font-size: 0.9rem;
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 20px 0;
            text-align: center;
        }
        .footer-bottom p {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin: 0;
            font-variant-numeric: tabular-nums;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991px) {
            .navbar-desktop {
                display: none;
            }
            .navbar-custom {
                min-height: 64px;
                justify-content: space-between;
            }
            .hero-category {
                padding: 56px 0;
            }
            .hero-category h1 {
                font-size: 2rem;
            }
            .hero-img-wrap img {
                height: 260px;
            }
            .section-pad {
                padding: 56px 0;
            }
            .feature-item,
            .feature-item.reverse {
                flex-direction: column;
                gap: 32px;
            }
            .feature-image img {
                height: 260px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .stats-highlight .row {
                row-gap: 16px;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-category {
                padding: 40px 0;
            }
            .hero-category h1 {
                font-size: 1.8rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions a {
                text-align: center;
            }
            .section-head {
                margin-bottom: 36px;
            }
            .section-head h2 {
                font-size: 1.6rem;
            }
            .project-card {
                padding: 24px 20px;
                margin-bottom: 16px;
            }
            .stat-item {
                padding: 24px 16px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .feature-item {
                margin-bottom: 56px;
            }
            .feature-image img {
                height: 220px;
            }
            .step-card {
                padding: 28px 20px;
                margin-bottom: 16px;
            }
            .cta-box {
                padding: 40px 20px;
                border-radius: 16px;
            }
            .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-actions a,
            .cta-actions button {
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 28px;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 0.95rem;
            }
            .faq-answer {
                padding: 0 18px 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-category h1 {
                font-size: 1.6rem;
            }
            .hero-category .hero-lead {
                font-size: 1rem;
            }
            .nav-logo a {
                font-size: 1rem;
            }
            .nav-logo {
                width: auto;
            }
        }

        /* ========== 焦点无障碍 ========== */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(43, 127, 167, 0.25);
            outline-offset: 2px;
        }

/* roulang page: article */
:root{
  --primary:#2B7FA7;
  --primary-dark:#226A8C;
  --primary-light:#DCEBF3;
  --accent:#F27A2A;
  --accent-dark:#D9641A;
  --bg:#F5F9FC;
  --card:#FFFFFF;
  --text:#16242E;
  --text-light:#5A7281;
  --border:#E2ECF2;
  --shadow:0 2px 12px rgba(43,127,167,.06);
  --shadow-hover:0 8px 28px rgba(43,127,167,.12);
  --radius:16px;
  --radius-sm:8px;
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7;font-size:1rem;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:var(--primary);transition:color .2s ease}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.container{max-width:1200px;width:100%;padding-left:24px;padding-right:24px;margin:0 auto}

.site-header{position:sticky;top:0;z-index:1020;background:rgba(255,255,255,.96);border-bottom:1px solid var(--border)}
.navbar-custom{display:flex;align-items:center;min-height:72px;position:relative}
.navbar-desktop{display:flex;align-items:center;margin:0}
.nav-list{display:flex;align-items:center;gap:4px;margin:0;padding:0}
.nav-links-left{justify-content:flex-start}
.nav-links-right{justify-content:flex-end}
.nav-link-custom{display:inline-block;position:relative;padding:10px 14px;color:var(--text);font-size:.95rem;font-weight:500;border-radius:8px}
.nav-link-custom::after{content:"";position:absolute;left:50%;bottom:4px;transform:translateX(-50%);width:0;height:2px;background:var(--accent);border-radius:2px;transition:width .25s ease}
.nav-link-custom:hover{color:var(--primary)}
.nav-link-custom:hover::after{width:24px}
.nav-link-custom.active{color:var(--primary)}
.nav-link-custom.active::after{width:24px}
.nav-logo{width:220px;text-align:center;flex-shrink:0;display:flex;justify-content:center}
.nav-logo a{display:inline-flex;align-items:center;gap:8px;color:var(--text);font-weight:700;font-size:1.05rem;letter-spacing:.02em}
.nav-logo a:hover{color:var(--primary)}
.logo-icon{width:36px;height:36px;border-radius:10px;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:1rem;box-shadow:0 4px 12px rgba(43,127,167,.25)}
.navbar-toggler-custom{display:inline-flex;background:transparent;border:1px solid var(--border);border-radius:8px;color:var(--primary);font-size:1.25rem;padding:8px 12px;align-items:center;justify-content:center;transition:background .2s ease}
.navbar-toggler-custom:hover{background:var(--primary-light)}
.navbar-toggler-custom:focus{outline:3px solid rgba(43,127,167,.25)}
.mobile-menu{display:none;flex-direction:column;gap:4px;padding:16px 0;border-top:1px solid var(--border)}
.mobile-menu.show{display:flex}
.mobile-menu a{padding:12px 10px;font-size:1.1rem;color:var(--text);border-radius:8px}
.mobile-menu a:hover,.mobile-menu a.active{color:var(--primary);background:var(--primary-light)}

.article-page-main{background:#fff;padding-bottom:0}
.article-breadcrumb{padding:18px 0;font-size:.875rem;color:var(--text-light);border-bottom:1px solid var(--border)}
.article-breadcrumb a{color:var(--text-light)}
.article-breadcrumb a:hover{color:var(--primary)}
.article-breadcrumb .sep{margin:0 8px;color:#B6C9D4}
.article-breadcrumb .current{color:var(--text);font-weight:500}

.article-header{max-width:800px;margin:0 auto;padding:48px 0 8px;text-align:center}
.article-tag{display:inline-flex;align-items:center;gap:6px;background:var(--primary-light);color:var(--primary);font-size:.8rem;font-weight:600;padding:4px 14px;border-radius:500px;margin-bottom:18px}
.article-tag i{font-size:.75rem}
.article-header h1{font-size:clamp(1.6rem,3.2vw,2.5rem);font-weight:700;line-height:1.3;margin-bottom:20px;color:var(--text);letter-spacing:.02em}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:20px;color:var(--text-light);font-size:.875rem;font-variant-numeric:tabular-nums}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--primary)}

.article-body{max-width:780px;margin:0 auto;padding:32px 0 48px}
.article-body p{font-size:1rem;line-height:1.85;margin:0 0 1.5rem;color:#3D4F5C}
.article-body h2{color:var(--primary);font-weight:700;font-size:1.5rem;line-height:1.4;margin:2.2rem 0 1rem;padding-left:14px;border-left:4px solid var(--accent)}
.article-body h3{color:var(--primary-dark);font-weight:600;font-size:1.25rem;margin:1.8rem 0 .8rem}
.article-body h4{color:var(--text);font-weight:600;font-size:1.1rem;margin:1.6rem 0 .6rem}
.article-body img{width:100%;border-radius:12px;margin:1.5rem 0;box-shadow:var(--shadow)}
.article-body figure{margin:1.5rem 0}
.article-body figcaption{font-size:.8rem;color:var(--text-light);text-align:center;margin-top:-.5rem}
.article-body blockquote{border-left:4px solid var(--primary);background:#F0F6FA;padding:18px 22px;border-radius:8px;margin:1.8rem 0;color:var(--text-light)}
.article-body ul,.article-body ol{padding-left:1.4rem;margin:0 0 1.5rem;color:#3D4F5C;list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:.5rem}
.article-body a{color:var(--primary);text-decoration:underline;text-decoration-style:dashed;text-underline-offset:4px}
.article-body a:hover{color:var(--accent)}
.article-body table{width:100%;margin:1.5rem 0;border-collapse:collapse;font-size:.9rem}
.article-body th,.article-body td{border:1px solid var(--border);padding:10px 14px;text-align:left}
.article-body th{background:var(--primary-light);font-weight:600}
.article-body pre{background:#16242E;color:#EAF2F7;padding:18px;border-radius:10px;overflow-x:auto;margin:1.5rem 0;font-size:.875rem}
.article-body code{background:var(--primary-light);padding:2px 8px;border-radius:6px;font-size:.875em}
.article-body pre code{background:transparent;padding:0;color:inherit}

.article-nav-wrap{max-width:780px;margin:0 auto 56px;background:var(--bg);border-radius:var(--radius);border:1px solid var(--border);padding:28px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
.article-nav-wrap .info{color:var(--text-light);font-size:.9rem;display:inline-flex;align-items:center;gap:8px}
.article-nav-wrap .info i{color:var(--primary)}
.btn-group-custom{display:flex;flex-wrap:wrap;gap:12px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:500px;font-weight:600;font-size:.95rem;border:0;transition:all .25s ease;line-height:1.2;text-decoration:none}
.btn:focus{outline:3px solid rgba(43,127,167,.25);outline-offset:2px}
.btn-primary-custom{background:var(--primary);color:#fff}
.btn-primary-custom:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(43,127,167,.25)}
.btn-accent-custom{background:var(--accent);color:#fff}
.btn-accent-custom:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(242,122,42,.25)}
.btn-outline-custom{background:transparent;border:1.5px solid var(--primary);color:var(--primary)}
.btn-outline-custom:hover{background:var(--primary-light);color:var(--primary-dark)}
.btn-outline-white{background:transparent;border:1.5px solid rgba(255,255,255,.85);color:#fff}
.btn-outline-white:hover{background:rgba(255,255,255,.15);color:#fff}

.not-found-box{max-width:580px;margin:48px auto 64px;text-align:center;background:var(--bg);border-radius:var(--radius);padding:56px 32px;border:1px dashed var(--primary)}
.not-found-box i{font-size:2.5rem;color:var(--primary);margin-bottom:16px}
.not-found-box h2{font-size:1.5rem;font-weight:700;margin-bottom:12px}
.not-found-box p{color:var(--text-light);margin-bottom:24px}

.related-section{padding:64px 0;background:var(--bg)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px}
.section-head h2{font-size:1.75rem;font-weight:700;color:var(--text);margin:0}
.section-head p{margin:6px 0 0;color:var(--text-light);font-size:.95rem}
.section-link{color:var(--primary);font-weight:600;font-size:.9rem}
.section-link i{margin-left:6px;transition:transform .2s ease}
.section-link:hover i{transform:translateX(4px)}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.related-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;display:flex;flex-direction:column;height:100%}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.related-cover{position:relative;overflow:hidden;display:block}
.related-cover img{width:100%;height:160px;object-fit:cover;transition:transform .35s ease}
.related-card:hover .related-cover img{transform:scale(1.04)}
.related-badge{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.92);color:var(--primary);font-size:.75rem;font-weight:600;padding:4px 12px;border-radius:500px}
.related-card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.related-card-body h3{font-size:1.05rem;font-weight:600;line-height:1.5;margin:0}
.related-card-body h3 a{color:var(--text)}
.related-card-body h3 a:hover{color:var(--primary)}
.related-card-body p{font-size:.875rem;color:var(--text-light);line-height:1.6;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-meta{display:flex;align-items:center;gap:8px;font-size:.8rem;color:var(--text-light);margin-top:auto;padding-top:6px}
.related-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--primary)}

.article-cta{padding:64px 0;background:#fff}
.cta-box{background:var(--primary);border-radius:24px;padding:56px 48px;text-align:center;color:#fff;box-shadow:0 12px 40px rgba(43,127,167,.18);position:relative;overflow:hidden}
.cta-box::before{content:"";position:absolute;top:-60px;right:-60px;width:180px;height:180px;border-radius:50%;background:rgba(255,255,255,.08)}
.cta-box::after{content:"";position:absolute;bottom:-80px;left:20px;width:200px;height:200px;border-radius:50%;background:rgba(255,255,255,.05)}
.cta-box h2{font-size:clamp(1.5rem,3vw,2.25rem);font-weight:700;margin-bottom:14px;position:relative;z-index:1}
.cta-box p{color:rgba(255,255,255,.88);max-width:640px;margin:0 auto 30px;font-size:1rem;line-height:1.7;position:relative;z-index:1}
.cta-box .btn-group-custom{position:relative;z-index:1;display:flex;justify-content:center;gap:14px;flex-wrap:wrap}

.site-footer{background:#fff;border-top:1px solid var(--border);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:40px}
.footer-brand .footer-logo{display:flex;align-items:center;gap:10px;font-size:1.15rem;font-weight:700;color:var(--text);margin-bottom:16px}
.footer-brand p{font-size:.9rem;color:var(--text-light);line-height:1.7;max-width:300px;margin:0}
.footer-col h5{font-size:.95rem;font-weight:600;color:var(--text);margin-bottom:18px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:var(--text-light);font-size:.9rem;transition:color .2s}
.footer-col ul li a:hover{color:var(--primary)}
.footer-contact li{color:var(--text-light);font-size:.9rem;display:flex;align-items:center;gap:8px}
.footer-contact i{color:var(--primary);width:16px;text-align:center}
.footer-bottom{border-top:1px solid var(--border);padding:20px 0;text-align:center}
.footer-bottom p{margin:0;font-size:.85rem;color:var(--text-light)}

@media (max-width:991.98px){
  .navbar-desktop{display:none}
  .nav-logo{width:auto}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media (max-width:767.98px){
  .article-header{padding-top:32px}
  .article-meta{flex-direction:column;gap:8px}
  .article-body{padding:24px 0 32px}
  .article-nav-wrap{flex-direction:column;text-align:center}
  .cta-box{padding:40px 24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px}
  .related-grid{grid-template-columns:1fr}
  .article-nav-wrap .btn-group-custom{width:100%}
  .article-nav-wrap .btn{width:100%}
  .cta-box .btn{width:100%}
}

/* roulang page: category2 */
:root {
  --primary: #2B7FA7;
  --primary-dark: #226A8C;
  --primary-light: #DCEBF3;
  --accent: #F27A2A;
  --accent-dark: #D9641A;
  --body-bg: #F5F9FC;
  --card-bg: #FFFFFF;
  --text-main: #16242E;
  --text-muted: #5A7281;
  --border-color: #E2ECF2;
  --radius-card: 16px;
  --radius-img: 12px;
  --shadow-card: 0 2px 12px rgba(43, 127, 167, 0.06);
  --shadow-hover: 0 8px 28px rgba(43, 127, 167, 0.12);
  --transition: all 0.3s ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  background: var(--body-bg);
  color: var(--text-main);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }
a:focus-visible, button:focus-visible {
  outline: 3px solid rgba(43, 127, 167, 0.25);
  outline-offset: 2px;
}

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--border-color);
}
.navbar-custom { min-height: 72px; display: flex; align-items: center; }
.navbar-desktop { display: flex; align-items: center; justify-content: space-between; }
.nav-logo { flex: 0 0 220px; text-align: center; }
.nav-logo a { display: inline-flex; align-items: center; gap: 8px; color: var(--text-main); font-weight: 700; font-size: 1.05rem; white-space: nowrap; }
.logo-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--primary-light); color: var(--primary); font-size: 16px;
}
.nav-list { display: flex; align-items: center; gap: 4px; }
.nav-links-left { flex: 1; }
.nav-links-right { flex: 1; justify-content: flex-end; }
.nav-link-custom {
  display: inline-block;
  padding: 8px 14px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-main);
  border-radius: 8px;
  position: relative;
}
.nav-link-custom:hover {
  color: var(--primary);
  background: rgba(220, 235, 243, 0.4);
}
.nav-link-custom.active { color: var(--primary); font-weight: 600; }
.nav-link-custom.active::after {
  content: '';
  position: absolute;
  left: 50%; bottom: 2px;
  transform: translateX(-50%);
  width: 22px; height: 3px;
  border-radius: 3px;
  background: var(--accent);
}
.navbar-toggler-custom {
  border: none;
  background: none;
  width: 42px; height: 42px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--text-main);
  border: 1px solid var(--border-color);
}
.navbar-toggler-custom:hover { background: var(--primary-light); }
.mobile-toggle-wrap { display: none; }
.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 8px 20px 20px;
  background: #fff;
  border-top: 1px solid var(--border-color);
}
.mobile-menu a {
  padding: 14px 4px;
  font-size: 1.1rem;
  color: var(--text-main);
  border-bottom: 1px solid #f0f4f7;
  transition: var(--transition);
}
.mobile-menu a:hover { color: var(--primary); padding-left: 10px; }
.mobile-menu a.active { color: var(--primary); font-weight: 600; }

/* ===== 通用按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 500px;
  font-size: 1rem;
  font-weight: 600;
  border: 0;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-brand { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(43, 127, 167, 0.25); }
.btn-brand:hover { background: var(--primary-dark); color: #fff; box-shadow: 0 6px 18px rgba(43, 127, 167, 0.32); transform: translateY(-2px); }
.btn-accent { background: var(--accent); color: #fff; box-shadow: 0 4px 14px rgba(242, 122, 42, 0.25); }
.btn-accent:hover { background: var(--accent-dark); color: #fff; box-shadow: 0 6px 18px rgba(242, 122, 42, 0.32); transform: translateY(-2px); }
.btn-outline-custom {
  background: transparent;
  border: 1.5px solid var(--primary);
  color: var(--primary);
}
.btn-outline-custom:hover { background: var(--primary-light); color: var(--primary-dark); }
.btn-outline-light {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.8);
  color: #fff;
}
.btn-outline-light:hover { background: rgba(255,255,255,0.15); color: #fff; }

/* ===== 分类页 Banner ===== */
.cat-banner {
  position: relative;
  min-height: 440px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.cat-banner-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.cat-banner-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.75) 45%, rgba(255,255,255,0.4) 100%);
}
.cat-banner-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  padding: 40px 0;
}
.category-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 500px;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.cat-banner-content h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-main);
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}
.cat-banner-content p {
  font-size: 1.075rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 28px;
  max-width: 560px;
}
.cat-banner-actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* ===== 数据条 ===== */
.stat-strip {
  padding: 56px 0 72px;
  background: var(--body-bg);
  margin-top: -20px;
}
.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  text-align: center;
  padding: 30px 20px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  height: 100%;
}
.stat-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.stat-num {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
  margin-bottom: 6px;
}
.stat-card p { color: var(--text-muted); font-size: 0.9rem; margin: 0; }

/* ===== 内容分区 ===== */
.section-block { padding: 88px 0; }
.bg-tint { background: rgba(220, 235, 243, 0.35); }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header .section-tag { margin-bottom: 14px; }
.section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--text-main);
  margin: 0;
  letter-spacing: 0.02em;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 500px;
  letter-spacing: 0.02em;
}
.feature-row { display: flex; align-items: center; gap: 40px; }
.feature-media {
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  position: relative;
}
.feature-media img { width: 100%; height: 100%; object-fit: cover; min-height: 280px; transition: var(--transition); }
.feature-media:hover img { transform: scale(1.03); }
.feature-content h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.8rem);
  font-weight: 700;
  color: var(--text-main);
  margin: 12px 0 18px;
  line-height: 1.35;
  letter-spacing: 0.02em;
}
.feature-content > p { color: var(--text-muted); font-size: 1rem; line-height: 1.8; margin-bottom: 22px; }
.feature-list { margin-top: 8px; }
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 7px 0;
  font-size: 0.95rem;
  color: var(--text-main);
}
.feature-list li::before {
  content: '';
  flex-shrink: 0;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 9px;
}

/* ===== 步骤流程 ===== */
.step-card {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  padding: 32px 26px;
  height: 100%;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  position: relative;
}
.step-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.step-num {
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--primary-light);
  line-height: 1;
  margin-bottom: 18px;
  font-variant-numeric: tabular-nums;
}
.step-card h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 10px; color: var(--text-main); }
.step-card p { color: var(--text-muted); font-size: 0.92rem; line-height: 1.7; margin: 0; }

/* ===== 相关推荐 ===== */
.related-card {
  display: block;
  background: var(--card-bg);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  height: 100%;
  color: var(--text-main);
}
.related-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); color: var(--text-main); }
.related-card-img { position: relative; overflow: hidden; aspect-ratio: 16 / 10; }
.related-card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.related-card:hover .related-card-img img { transform: scale(1.04); }
.related-tag {
  position: absolute;
  left: 14px; bottom: 14px;
  background: rgba(255,255,255,0.92);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 500px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.related-card-body { padding: 22px; }
.related-card-body h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; line-height: 1.4; }
.related-card-body p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.6; margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ===== FAQ ===== */
.faq-section { background: rgba(220, 235, 243, 0.3); }
.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow-hover); }
.faq-q {
  width: 100%;
  border: none;
  background: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px;
  text-align: left;
  cursor: pointer;
}
.faq-q h3 { font-size: 1rem; font-weight: 600; color: var(--text-main); margin: 0; }
.faq-icon {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 500;
  transition: var(--transition);
}
.faq-q[aria-expanded="true"] .faq-icon { background: var(--accent); color: #fff; transform: rotate(45deg); }
.faq-a { padding: 0 28px 24px; }
.faq-a p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.8; margin: 0; }

/* ===== CTA ===== */
.cta-section {
  background: var(--primary);
  border-radius: 24px;
  margin: 0 24px 96px;
  padding: 72px 40px;
  text-align: center;
  box-shadow: 0 12px 40px rgba(43, 127, 167, 0.18);
}
.cta-section h2 {
  color: #fff;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}
.cta-section p { color: rgba(255,255,255,0.85); font-size: 1.05rem; margin-bottom: 30px; }
.cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ===== 页脚 ===== */
.site-footer {
  background: #fff;
  border-top: 1px solid var(--border-color);
  padding: 68px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 16px;
}
.footer-brand p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; margin: 0; max-width: 320px; }
.footer-col h5 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: var(--text-muted); font-size: 0.9rem; }
.footer-col ul li a:hover { color: var(--primary); }
.footer-contact li { color: var(--text-muted); font-size: 0.9rem; display: flex; align-items: center; gap: 8px; }
.footer-contact li i { color: var(--primary); width: 16px; }
.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding: 22px 0;
  text-align: center;
}
.footer-bottom p { color: var(--text-muted); font-size: 0.85rem; margin: 0; }

/* ===== 响应式 ===== */
@media (max-width: 991.98px) {
  .navbar-desktop { display: none; }
  .mobile-toggle-wrap { display: block; }
  .mobile-menu.active { display: flex; }
  .cat-banner { min-height: 400px; }
  .section-block { padding: 64px 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cta-section { margin: 0 16px 64px; padding: 56px 24px; }
}
@media (max-width: 767.98px) {
  .cat-banner { min-height: 380px; }
  .cat-banner-content h1 { font-size: 1.9rem; }
  .cat-banner-content p { font-size: 1rem; }
  .feature-row { gap: 24px; }
  .feature-row .col-lg-6 + .col-lg-6 { margin-top: 24px; }
  .feature-media img { min-height: 220px; }
  .section-header { margin-bottom: 40px; }
  .stat-strip { padding: 40px 0 56px; }
  .stat-card { padding: 22px 14px; }
  .stat-num { font-size: 1.75rem; }
  .step-card { padding: 24px 20px; }
  .faq-q, .faq-a { padding-left: 20px; padding-right: 20px; }
  .cta-section { padding: 48px 20px; margin-bottom: 48px; }
  .cta-buttons .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; padding-bottom: 36px; }
  .nav-logo { flex: 0 0 auto; }
}
@media (max-width: 520px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .cat-banner-content h1 { font-size: 1.7rem; }
  .btn { padding: 11px 22px; font-size: 0.95rem; }
  .stat-card { padding: 18px 12px; }
  .stat-num { font-size: 1.5rem; }
  .related-card-body { padding: 18px; }
}

/* roulang page: category3 */
:root {
            --primary: #2B7FA7;
            --primary-dark: #226A8C;
            --primary-light: #DCEBF3;
            --accent: #F27A2A;
            --accent-dark: #D9641A;
            --bg-body: #F5F9FC;
            --white: #FFFFFF;
            --text-main: #16242E;
            --text-aux: #5A7281;
            --border-color: #E2ECF2;
            --radius-card: 16px;
            --radius-img: 12px;
            --radius-btn: 500px;
            --shadow-card: 0 2px 12px rgba(43, 127, 167, 0.06);
            --shadow-hover: 0 8px 28px rgba(43, 127, 167, 0.12);
            --spacing-section: 96px;
            --spacing-mobile: 56px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
            background: var(--bg-body);
            color: var(--text-main);
            font-size: 1rem;
            line-height: 1.8;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        @media (min-width: 1400px) {
            .container {
                max-width: 1200px;
            }
        }
        .section {
            padding: var(--spacing-section) 0;
        }
        .section-tinted {
            background: rgba(220, 235, 243, 0.35);
        }

        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            border-bottom: 1px solid var(--border-color);
            padding: 0.75rem 0;
        }
        .navbar-custom {
            min-height: 60px;
        }
        .navbar-desktop {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .nav-list {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 2rem;
        }
        .nav-links-left {
            justify-content: flex-start;
            flex-wrap: nowrap;
        }
        .nav-links-right {
            justify-content: flex-end;
            flex-wrap: nowrap;
        }
        .nav-list li a {
            color: var(--text-main);
            font-weight: 500;
            font-size: 0.95rem;
            text-decoration: none;
            padding: 0.4rem 0.15rem;
            position: relative;
            white-space: nowrap;
            transition: color 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.2rem;
        }
        .nav-list li a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s ease;
            border-radius: 2px;
        }
        .nav-list li a:hover,
        .nav-list li a:focus-visible {
            color: var(--primary);
        }
        .nav-list li a:hover::after,
        .nav-list li a.active::after {
            transform: scaleX(1);
        }
        .nav-list li a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-logo {
            width: 220px;
            text-align: center;
            flex-shrink: 0;
        }
        .nav-logo a {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
            color: var(--text-main);
            font-weight: 700;
            font-size: 1.12rem;
            white-space: nowrap;
            transition: color 0.3s ease;
        }
        .nav-logo a:hover {
            color: var(--primary);
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.05rem;
            flex-shrink: 0;
            box-shadow: 0 4px 10px rgba(43, 127, 167, 0.2);
        }
        .navbar-toggler-custom {
            background: none;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            width: 44px;
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-main);
            font-size: 1.2rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .navbar-toggler-custom:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }
        .navbar-toggler-custom:focus-visible {
            outline: 3px solid rgba(43, 127, 167, 0.25);
            outline-offset: 2px;
        }
        .mobile-menu {
            display: none;
            padding: 1rem 0 0.5rem;
            flex-direction: column;
            gap: 0.5rem;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            padding: 0.8rem 1rem;
            border-radius: 12px;
            background: var(--bg-body);
            color: var(--text-main);
            text-decoration: none;
            font-weight: 500;
            font-size: 1.05rem;
            transition: all 0.3s ease;
        }
        .mobile-menu a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .mobile-menu a.active {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }

        /* Hero */
        .category-hero {
            position: relative;
            overflow: hidden;
            min-height: 460px;
            display: flex;
            align-items: center;
            padding: 4rem 0;
        }
        .category-hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            z-index: 0;
        }
        .category-hero-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(255, 255, 255, 0.94) 0%, rgba(255, 255, 255, 0.72) 60%, rgba(255, 255, 255, 0.45) 100%);
        }
        .category-hero-content {
            position: relative;
            z-index: 1;
            max-width: 760px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--accent);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            padding: 0.35rem 1.2rem;
            border-radius: var(--radius-btn);
            margin-bottom: 1.4rem;
            box-shadow: 0 4px 14px rgba(242, 122, 42, 0.28);
        }
        .category-hero h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-main);
            margin-bottom: 1.1rem;
            letter-spacing: 0.02em;
        }
        .category-hero p {
            font-size: 1.1rem;
            line-height: 1.8;
            color: var(--text-aux);
            margin-bottom: 2rem;
            max-width: 600px;
        }
        .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        /* Buttons */
        .btn-primary-custom {
            background: var(--primary);
            border: none;
            color: #fff;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s ease;
            box-shadow: 0 4px 14px rgba(43, 127, 167, 0.25);
            cursor: pointer;
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(43, 127, 167, 0.32);
        }
        .btn-primary-custom:focus-visible {
            outline: 3px solid rgba(43, 127, 167, 0.25);
            outline-offset: 2px;
        }
        .btn-outline-custom {
            background: transparent;
            border: 1.5px solid var(--primary);
            color: var(--primary);
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1rem;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        .btn-outline-custom:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            border-color: var(--primary-dark);
        }
        .btn-outline-custom:focus-visible {
            outline: 3px solid rgba(43, 127, 167, 0.25);
            outline-offset: 2px;
        }
        .btn-accent {
            background: var(--accent);
            border: none;
            color: #fff;
            padding: 0.85rem 2.2rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1.05rem;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s ease;
            box-shadow: 0 4px 16px rgba(242, 122, 42, 0.3);
            cursor: pointer;
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(242, 122, 42, 0.38);
        }
        .btn-accent:focus-visible {
            outline: 3px solid rgba(242, 122, 42, 0.35);
            outline-offset: 2px;
        }
        .btn-outline-light {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.85);
            color: #fff;
            padding: 0.85rem 2.2rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 1.05rem;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.16);
            color: #fff;
            transform: translateY(-2px);
            border-color: #fff;
        }
        .btn-outline-light:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.35);
            outline-offset: 2px;
        }

        /* Section Head */
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 3rem;
        }
        .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 0.35rem 1.1rem;
            border-radius: var(--radius-btn);
            margin-bottom: 1rem;
        }
        .section-head h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 0.8rem;
            letter-spacing: 0.02em;
        }
        .section-head p {
            color: var(--text-aux);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Service Cards */
        .service-card {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 2rem 1.6rem;
            box-shadow: var(--shadow-card);
            height: 100%;
            transition: all 0.3s ease;
            border: 1px solid var(--border-color);
        }
        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .service-icon {
            width: 54px;
            height: 54px;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 1.2rem;
            transition: all 0.3s ease;
        }
        .service-card:hover .service-icon {
            background: var(--primary);
            color: #fff;
        }
        .service-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 0.7rem;
            color: var(--text-main);
        }
        .service-card p {
            color: var(--text-aux);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Process */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .process-step {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            box-shadow: var(--shadow-card);
            position: relative;
            transition: all 0.3s ease;
            border: 1px solid var(--border-color);
        }
        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .step-num {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary-light);
            line-height: 1;
            margin-bottom: 1.2rem;
            font-variant-numeric: tabular-nums;
            transition: color 0.3s ease;
            display: block;
        }
        .process-step:hover .step-num {
            color: var(--accent);
        }
        .process-step h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--text-main);
        }
        .process-step p {
            color: var(--text-aux);
            font-size: 0.9rem;
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* Event List + Card Mix */
        .event-list {
            display: flex;
            flex-direction: column;
            gap: 0.9rem;
        }
        .event-list-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            background: var(--white);
            border-radius: 14px;
            padding: 1.2rem 1.5rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }
        .event-list-item:hover {
            transform: translateX(5px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-light);
        }
        .event-index {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-light);
            font-variant-numeric: tabular-nums;
            min-width: 42px;
            transition: color 0.3s ease;
            line-height: 1;
        }
        .event-list-item:hover .event-index {
            color: var(--accent);
        }
        .event-info {
            flex: 1;
        }
        .event-info h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 0.2rem;
            color: var(--text-main);
            transition: color 0.3s ease;
        }
        .event-list-item:hover .event-info h3 {
            color: var(--primary);
        }
        .event-info p {
            font-size: 0.88rem;
            color: var(--text-aux);
            margin-bottom: 0;
            line-height: 1.5;
        }
        .event-tag {
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 500;
            padding: 0.25rem 0.8rem;
            border-radius: 50px;
            white-space: nowrap;
        }
        .event-arrow {
            color: var(--primary);
            opacity: 0.4;
            transition: all 0.3s ease;
            flex-shrink: 0;
        }
        .event-list-item:hover .event-arrow {
            opacity: 1;
            transform: translateX(4px);
            color: var(--accent);
        }
        .service-highlight-card {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 1.6rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-color);
            height: 100%;
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .service-highlight-card img {
            width: 100%;
            border-radius: var(--radius-img);
            height: 210px;
            object-fit: cover;
        }
        .highlight-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0.7rem;
            text-align: center;
        }
        .highlight-stats>div {
            background: var(--bg-body);
            border-radius: 12px;
            padding: 0.8rem 0.4rem;
            transition: all 0.3s ease;
        }
        .highlight-stats>div:hover {
            background: var(--primary-light);
        }
        .highlight-stats strong {
            display: block;
            font-size: 1.25rem;
            color: var(--accent);
            font-weight: 700;
            font-variant-numeric: tabular-nums;
            line-height: 1.3;
        }
        .highlight-stats span {
            font-size: 0.78rem;
            color: var(--text-aux);
        }
        .service-highlight-card p {
            color: var(--text-aux);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Advantage */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .advantage-item {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            border: 1px solid var(--border-color);
        }
        .advantage-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .advantage-item i {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 1rem;
            transition: color 0.3s ease;
        }
        .advantage-item:hover i {
            color: var(--accent);
        }
        .advantage-item h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--text-main);
        }
        .advantage-item p {
            font-size: 0.9rem;
            color: var(--text-aux);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* Recommend Cards */
        .recommend-card {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 1.25rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-color);
            color: var(--text-main);
            height: 100%;
            transition: all 0.3s ease;
        }
        .recommend-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            color: var(--text-main);
            text-decoration: none;
        }
        .recommend-card img {
            width: 150px;
            height: 105px;
            object-fit: cover;
            border-radius: var(--radius-img);
            flex-shrink: 0;
        }
        .recommend-info h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 0.35rem;
            color: var(--text-main);
        }
        .recommend-info p {
            font-size: 0.9rem;
            color: var(--text-aux);
            line-height: 1.5;
            margin-bottom: 0.8rem;
        }
        .recommend-info .btn {
            font-size: 0.85rem;
            padding: 0.45rem 1.2rem;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .faq-item {
            background: var(--white);
            border-radius: 14px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-hover);
        }
        .faq-item.active {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-hover);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 1.2rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            font-size: 1.02rem;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            text-align: left;
            transition: color 0.3s ease;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question:focus-visible {
            outline: 3px solid rgba(43, 127, 167, 0.25);
            outline-offset: -3px;
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
            transition: all 0.3s ease;
            line-height: 1;
        }
        .faq-item.active .faq-icon {
            background: var(--accent);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            display: none;
            padding: 0 1.5rem 1.25rem;
            color: var(--text-aux);
            font-size: 0.95rem;
            line-height: 1.75;
        }
        .faq-item.active .faq-answer {
            display: block;
        }

        /* CTA */
        .cta-box {
            background: var(--primary);
            border-radius: 24px;
            padding: 3.5rem 2rem;
            text-align: center;
            color: #fff;
            box-shadow: 0 12px 40px rgba(43, 127, 167, 0.18);
            position: relative;
            overflow: hidden;
        }
        .cta-box h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: #fff;
            letter-spacing: 0.02em;
        }
        .cta-box p {
            font-size: 1.05rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.92);
            max-width: 580px;
            margin: 0 auto 2rem;
        }
        .cta-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--white);
            border-top: 1px solid var(--border-color);
            padding: 3.5rem 0 2rem;
            margin-top: 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 2rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid var(--border-color);
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.12rem;
            color: var(--text-main);
            margin-bottom: 1rem;
        }
        .footer-brand p {
            color: var(--text-aux);
            font-size: 0.9rem;
            line-height: 1.75;
            margin-bottom: 0;
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 1.1rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }
        .footer-col li a {
            color: var(--text-aux);
            font-size: 0.9rem;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        .footer-col li a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-contact li {
            color: var(--text-aux);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .footer-contact i {
            color: var(--primary);
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 1.5rem;
            color: var(--text-aux);
            font-size: 0.85rem;
        }
        .footer-bottom p {
            margin-bottom: 0;
        }

        /* Focus helper */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(43, 127, 167, 0.25);
            outline-offset: 2px;
        }

        /* Responsive */
        @media (max-width: 1199.98px) {
            .nav-list {
                gap: 1.2rem;
            }
            .nav-logo {
                width: 190px;
            }
        }
        @media (max-width: 991.98px) {
            .navbar-desktop {
                display: none !important;
            }
            .section {
                padding: var(--spacing-mobile) 0;
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .category-hero {
                min-height: 420px;
            }
        }
        @media (max-width: 767.98px) {
            .category-hero {
                min-height: 380px;
                padding: 3rem 0;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                justify-content: center;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .advantage-grid {
                grid-template-columns: 1fr;
            }
            .recommend-card {
                flex-direction: column;
                text-align: center;
            }
            .recommend-card img {
                width: 100%;
                height: 160px;
            }
            .event-list-item {
                flex-wrap: wrap;
            }
            .event-tag {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .cta-box {
                padding: 2.5rem 1.5rem;
            }
            .cta-box h2 {
                font-size: 1.6rem;
            }
            .cta-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .highlight-stats {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 575.98px) {
            .nav-logo a {
                font-size: 1rem;
                gap: 0.35rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 0.9rem;
            }
            .section-head h2 {
                font-size: 1.45rem;
            }
            .category-hero h1 {
                font-size: 1.75rem;
            }
            .category-hero p {
                font-size: 1rem;
            }
            .service-card {
                padding: 1.5rem 1.2rem;
            }
            .service-highlight-card img {
                height: 160px;
            }
        }