/* roulang page: index */
:root {
            --primary: #2563EB;
            --primary-hover: #1D4ED8;
            --primary-soft: #E8EEF9;
            --secondary: #64748B;
            --accent: #F97316;
            --accent-soft: #FFF7ED;
            --bg: #F8FAFC;
            --bg-alt: #FFFFFF;
            --card-bg: #FFFFFF;
            --text-main: #0F172A;
            --text-secondary: #475569;
            --border: #E2E8F0;
            --success: #10B981;
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-input: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 10px 30px rgba(15, 23, 42, 0.06);
            --shadow-card-hover: 0 16px 40px rgba(37, 99, 235, 0.14);
            --shadow-nav: 0 2px 12px rgba(15, 23, 42, 0.04);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --section-pad: 72px;
            --section-pad-mobile: 48px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover { color: var(--primary); }
        a:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; border-radius: 4px; }

        img { max-width: 100%; height: auto; display: block; }
        button { cursor: pointer; font-family: var(--font-stack); }
        input { font-family: var(--font-stack); }
        ul, ol { list-style: none; }

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

        .section { padding: var(--section-pad) 0; }
        .section--white { background: var(--bg-alt); }
        .section--gray { background: var(--bg); }
        .section--soft { background: #F1F5F9; }
        .section--blue-soft { background: linear-gradient(180deg, #EFF6FF 0%, #F8FAFC 100%); }

        .section__header { margin-bottom: 40px; }
        .section__header--center { text-align: center; }
        .section__label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            background: var(--primary-soft);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
        }
        .section__title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .section__desc {
            font-size: 17px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 720px;
            margin: 0 auto;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 16px;
            font-weight: 600;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            border: 2px solid transparent;
            transition: all var(--transition-base);
            text-align: center;
            min-height: 48px;
            line-height: 1.2;
        }
        .btn:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }
        .btn--primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
        }
        .btn--primary:hover {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            color: #fff;
            box-shadow: 0 8px 22px rgba(37, 99, 235, 0.38);
            transform: translateY(-2px);
        }
        .btn--primary:active { transform: translateY(0); box-shadow: 0 3px 10px rgba(37, 99, 235, 0.25); }
        .btn--outline {
            background: transparent;
            color: var(--primary);
            border-color: #CBD5E1;
        }
        .btn--outline:hover {
            background: var(--primary-soft);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn--outline:active { transform: translateY(0); }
        .btn--accent {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.3);
        }
        .btn--accent:hover {
            background: #EA580C;
            border-color: #EA580C;
            color: #fff;
            box-shadow: 0 8px 22px rgba(249, 115, 22, 0.38);
            transform: translateY(-2px);
        }
        .btn--sm {
            padding: 10px 20px;
            font-size: 14px;
            min-height: 40px;
            border-radius: 10px;
        }
        .btn--full { width: 100%; }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            background: var(--primary-soft);
            color: var(--primary);
            white-space: nowrap;
        }
        .badge--accent { background: var(--accent-soft); color: var(--accent); }
        .badge--success { background: #ECFDF5; color: var(--success); }

        .tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 6px;
            background: var(--primary-soft);
            color: var(--primary);
            letter-spacing: 0.02em;
        }
        .tag--accent { background: var(--accent-soft); color: var(--accent); }
        .tag--success { background: #ECFDF5; color: var(--success); }

        .card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
            border: 1px solid var(--border);
            position: relative;
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: #BFDBFE;
        }
        .card__body { padding: 22px 24px; }
        .card__title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card__text {
            font-size: 14.5px;
            line-height: 1.65;
            color: var(--text-secondary);
        }
        .card__footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-top: 16px;
            flex-wrap: wrap;
        }
        .card__meta {
            font-size: 13px;
            color: var(--secondary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .card--accent-bar { border-left: 3px solid var(--primary); }
        .card--hover-border:hover { border-bottom: 2px solid var(--primary); }

        .image-cover {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            display: block;
            background: #E2E8F0;
        }
        .image-cover--rounded { border-radius: var(--radius-card) var(--radius-card) 0 0; }

        /* Navigation */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-nav);
            transition: box-shadow var(--transition-base);
        }
        .site-header__inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 0 24px;
            min-height: 68px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .logo {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }
        .logo:hover { color: var(--primary); }
        .logo__icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            font-size: 16px;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .main-nav__item {
            position: relative;
        }
        .main-nav__link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 12px 16px;
            border-radius: 10px;
            transition: all var(--transition-fast);
            min-height: 44px;
            white-space: nowrap;
        }
        .main-nav__link:hover { color: var(--primary); background: var(--primary-soft); }
        .main-nav__link--active {
            color: var(--primary);
            position: relative;
        }
        .main-nav__link--active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .main-nav__link .fa-chevron-down { font-size: 11px; transition: transform var(--transition-base); }

        .mega-item:hover .main-nav__link .fa-chevron-down { transform: rotate(180deg); }
        .mega-item:hover .mega-panel,
        .mega-item:focus-within .mega-panel {
            display: block;
            opacity: 1;
            pointer-events: auto;
            transform: translateY(0);
        }
        .mega-panel {
            display: none;
            opacity: 0;
            pointer-events: none;
            transform: translateY(-8px);
            transition: all var(--transition-base);
            position: absolute;
            top: 100%;
            left: 50%;
            margin-left: -320px;
            width: 640px;
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 20px 50px rgba(15, 23, 42, 0.12);
            border: 1px solid var(--border);
            padding: 20px;
            z-index: 1000;
        }
        .mega-panel__grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }
        .mega-card {
            display: block;
            background: var(--bg);
            border-radius: 12px;
            padding: 14px;
            text-align: center;
            transition: all var(--transition-base);
            border: 1px solid transparent;
        }
        .mega-card:hover {
            background: var(--primary-soft);
            border-color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.12);
        }
        .mega-card__icon {
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 8px;
            display: block;
        }
        .mega-card__title {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 10px;
            color: var(--text-main);
            font-size: 20px;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-toggle:hover { background: var(--primary-soft); border-color: var(--primary); color: var(--primary); }
        .nav-toggle:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }

        .mobile-nav {
            display: none;
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 12px 24px 20px;
            flex-direction: column;
            gap: 6px;
        }
        .mobile-nav--open { display: flex; }
        .mobile-nav__link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 14px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            border-radius: 10px;
            transition: all var(--transition-fast);
            min-height: 44px;
        }
        .mobile-nav__link:hover { background: var(--primary-soft); color: var(--primary); }
        .mobile-nav__link--active { color: var(--primary); background: var(--primary-soft); }
        .mobile-nav__sub {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            padding: 8px 14px 0;
        }
        .mobile-nav__sub a {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            background: var(--bg);
            padding: 8px 14px;
            border-radius: 20px;
            transition: all var(--transition-fast);
        }
        .mobile-nav__sub a:hover { background: var(--primary-soft); color: var(--primary); }

        /* Hero */
        .hero {
            background: var(--section--blue-soft);
            padding: 60px 0 48px;
            position: relative;
            overflow: hidden;
        }
        .hero__grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero__content { max-width: 560px; }
        .hero__label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: var(--primary);
            background: #fff;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            margin-bottom: 20px;
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.08);
        }
        .hero__title {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-main);
            letter-spacing: -0.02em;
            margin-bottom: 18px;
        }
        .hero__title span { color: var(--primary); }
        .hero__desc {
            font-size: 17.5px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 500px;
        }
        .hero__actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 32px;
        }
        .hero__badges {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
        }
        .hero__badge-item { text-align: left; }
        .hero__badge-num {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.01em;
            line-height: 1.2;
        }
        .hero__badge-label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .hero__visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero__visual-bg {
            position: absolute;
            inset: 0;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(15, 23, 42, 0.1);
        }
        .hero__visual-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: brightness(0.92) saturate(1.05);
        }
        .hero__visual-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.75) 0%, rgba(15, 23, 42, 0.45) 100%);
            border-radius: 24px;
        }
        .hero__pass-card {
            position: relative;
            z-index: 2;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border-radius: 20px;
            padding: 28px 30px;
            max-width: 380px;
            width: 90%;
            box-shadow: 0 24px 60px rgba(15, 23, 42, 0.2);
            border: 2px solid #fff;
            text-align: center;
        }
        .hero__pass-card-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-secondary);
            letter-spacing: 0.04em;
            margin-bottom: 8px;
        }
        .hero__pass-card-main {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 8px;
        }
        .hero__pass-card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 18px;
            line-height: 1.6;
        }
        .hero__pass-card .btn { width: 100%; }
        .hero__pass-card-note {
            font-size: 12px;
            color: #94A3B8;
            margin-top: 10px;
        }

        /* Card grid layouts */
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .grid-6 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .category-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            aspect-ratio: 4/3;
            display: block;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }
        .category-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .category-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .category-card:hover img { transform: scale(1.04); }
        .category-card__overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.75) 0%, rgba(15, 23, 42, 0.1) 55%, transparent 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 20px;
        }
        .category-card__title {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 4px;
        }
        .category-card__sub {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
        }

        .service-card {
            padding: 28px 26px;
            background: var(--card-bg);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }
        .service-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: #BFDBFE;
        }
        .service-card__icon {
            width: 50px;
            height: 50px;
            background: var(--primary-soft);
            color: var(--primary);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
            transition: all var(--transition-base);
        }
        .service-card:hover .service-card__icon {
            background: var(--primary);
            color: #fff;
        }
        .service-card__title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .service-card__text {
            font-size: 14px;
            line-height: 1.65;
            color: var(--text-secondary);
            flex: 1;
        }

        .data-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 36px 32px;
            border: 1px solid var(--border);
        }
        .data-bar__item {
            text-align: center;
            padding: 8px 0;
        }
        .data-bar__item + .data-bar__item {
            border-left: 1px solid var(--border);
        }
        .data-bar__num {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .data-bar__label {
            font-size: 13.5px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .step-card {
            padding: 28px 24px;
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            text-align: center;
            transition: all var(--transition-base);
            height: 100%;
            position: relative;
        }
        .step-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .step-card__num {
            font-size: 42px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
            opacity: 0.85;
        }
        .step-card__icon {
            font-size: 26px;
            color: var(--accent);
            margin-bottom: 12px;
        }
        .step-card__title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .step-card__text {
            font-size: 14px;
            line-height: 1.6;
            color: var(--text-secondary);
        }

        .case-card {
            background: #fff;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .case-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .case-card__img { position: relative; aspect-ratio: 16/9; overflow: hidden; }
        .case-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
        .case-card:hover .case-card__img img { transform: scale(1.04); }
        .case-card__play {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 48px;
            height: 48px;
            background: rgba(249, 115, 22, 0.92);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 6px 18px rgba(249, 115, 22, 0.4);
            transition: all var(--transition-base);
            pointer-events: none;
        }
        .case-card:hover .case-card__play {
            background: var(--accent);
            transform: translate(-50%, -50%) scale(1.1);
        }
        .case-card__body { padding: 16px 18px; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
        .case-card__title { font-size: 14.5px; font-weight: 700; color: var(--text-main); line-height: 1.4; flex: 1; }
        .case-card__time { font-size: 12px; color: #94A3B8; white-space: nowrap; }

        .rank-list {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            overflow: hidden;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            border-bottom: 1px solid #F1F5F9;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .rank-item:last-child { border-bottom: none; }
        .rank-item:hover { background: #F8FAFC; }
        .rank-item__num {
            font-size: 22px;
            font-weight: 800;
            color: #CBD5E1;
            width: 36px;
            text-align: center;
            flex-shrink: 0;
            letter-spacing: -0.02em;
        }
        .rank-item:nth-child(1) .rank-item__num { color: var(--accent); }
        .rank-item:nth-child(2) .rank-item__num { color: var(--primary); }
        .rank-item:nth-child(3) .rank-item__num { color: #6366F1; }
        .rank-item__body { flex: 1; min-width: 0; }
        .rank-item__title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            margin-bottom: 2px;
        }
        .rank-item__meta {
            font-size: 12.5px;
            color: var(--text-secondary);
            display: flex;
            gap: 12px;
        }
        .rank-item__btn {
            width: 36px;
            height: 36px;
            background: var(--primary-soft);
            color: var(--primary);
            border: none;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .rank-item__btn:hover { background: var(--primary); color: #fff; }

        .scene-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 26px 22px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            text-align: center;
            transition: all var(--transition-base);
            height: 100%;
        }
        .scene-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .scene-card__icon {
            width: 52px;
            height: 52px;
            background: var(--primary-soft);
            color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin: 0 auto 14px;
            transition: all var(--transition-base);
        }
        .scene-card:hover .scene-card__icon { background: var(--primary); color: #fff; }
        .scene-card__title { font-size: 16px; font-weight: 700; color: var(--text-main); margin-bottom: 8px; }
        .scene-card__text { font-size: 13.5px; line-height: 1.6; color: var(--text-secondary); }

        .news-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid #E8EEF9;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .news-item:last-child { border-bottom: none; }
        .news-item:hover { padding-left: 8px; }
        .news-item__index {
            font-size: 20px;
            font-weight: 800;
            color: #CBD5E1;
            width: 28px;
            flex-shrink: 0;
            text-align: center;
        }
        .news-item__body { flex: 1; min-width: 0; }
        .news-item__title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 4px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .news-item__desc {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item__time {
            font-size: 12px;
            color: #94A3B8;
            flex-shrink: 0;
            padding-top: 4px;
        }

        .partner-card {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            padding: 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .partner-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: #BFDBFE;
        }
        .partner-card__logo {
            width: 52px;
            height: 52px;
            background: var(--primary-soft);
            color: var(--primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
        }
        .partner-card__name {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 2px;
        }
        .partner-card__desc {
            font-size: 13px;
            color: var(--text-secondary);
        }

        .faq-wrapper { max-width: 820px; margin: 0 auto; }
        .faq-item {
            background: #fff;
            border-radius: 14px;
            border: 1px solid var(--border);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover { box-shadow: 0 4px 14px rgba(15, 23, 42, 0.06); }
        .faq-item__question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 15.5px;
            font-weight: 700;
            color: var(--text-main);
            cursor: pointer;
            transition: all var(--transition-fast);
            min-height: 48px;
            user-select: none;
        }
        .faq-item__question:hover { color: var(--primary); }
        .faq-item__question i { transition: transform var(--transition-base); color: #94A3B8; font-size: 14px; }
        .faq-item--open .faq-item__question i { transform: rotate(180deg); color: var(--primary); }
        .faq-item--open .faq-item__question { color: var(--primary); }
        .faq-item__answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 22px;
            font-size: 14.5px;
            line-height: 1.7;
            color: var(--text-secondary);
        }
        .faq-item--open .faq-item__answer {
            max-height: 200px;
            padding: 0 22px 20px;
        }
        .faq-item--open {
            border-left: 3px solid var(--primary);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.08);
        }

        .guarantee-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px 24px;
            border: 1px solid var(--border);
        }
        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px;
        }
        .guarantee-item__icon {
            width: 42px;
            height: 42px;
            background: #ECFDF5;
            color: var(--success);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .guarantee-item__text {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
        }
        .guarantee-item__sub {
            font-size: 12px;
            color: var(--text-secondary);
            font-weight: 400;
        }

        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #1E40AF 100%);
            border-radius: 24px;
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            box-shadow: 0 20px 50px rgba(37, 99, 235, 0.3);
        }
        .cta-section__title {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .cta-section__desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 520px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 14px 18px;
            border-radius: var(--radius-input);
            border: 2px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.95);
            font-size: 15px;
            color: var(--text-main);
            transition: all var(--transition-fast);
            min-height: 48px;
        }
        .cta-form input::placeholder { color: #94A3B8; }
        .cta-form input:focus {
            outline: none;
            border-color: #fff;
            box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.25);
            background: #fff;
        }
        .cta-form .btn--accent {
            min-height: 48px;
            border: none;
        }

        /* Footer */
        .site-footer {
            background: #0F172A;
            color: #CBD5E1;
            padding: 56px 0 24px;
            margin-top: 0;
        }
        .site-footer__grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .site-footer__logo {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .site-footer__logo .logo__icon {
            width: 32px;
            height: 32px;
            font-size: 14px;
            border-radius: 8px;
        }
        .site-footer__desc {
            font-size: 14px;
            line-height: 1.7;
            color: #94A3B8;
            max-width: 300px;
        }
        .site-footer__col-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .site-footer__links li { margin-bottom: 8px; }
        .site-footer__links a {
            font-size: 14px;
            color: #94A3B8;
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .site-footer__links a:hover { color: #fff; }
        .site-footer__bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: #64748B;
        }
        .site-footer__bottom a { color: #64748B; }
        .site-footer__bottom a:hover { color: #fff; }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-pad: 56px;
            }
            .hero__grid { gap: 32px; }
            .hero__title { font-size: 34px; }
            .hero__desc { font-size: 16px; }
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
            .site-footer__grid { grid-template-columns: 1fr 1fr; }
            .mega-panel {
                width: 520px;
                margin-left: -260px;
            }
            .mega-panel__grid { grid-template-columns: repeat(4, 1fr); }
            .data-bar { grid-template-columns: repeat(2, 1fr); gap: 18px; padding: 28px 20px; }
            .data-bar__item:nth-child(3) { border-left: none; }
            .guarantee-bar { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: 48px;
            }
            .section { padding: var(--section-pad) 0; }
            .section__title { font-size: 26px; }
            .hero__grid { grid-template-columns: 1fr; gap: 32px; }
            .hero__content { max-width: 100%; }
            .hero__title { font-size: 30px; }
            .hero__desc { font-size: 15.5px; }
            .hero__visual { order: -1; }
            .hero__pass-card { max-width: 320px; padding: 22px 20px; }
            .hero__pass-card-main { font-size: 22px; }
            .grid-3, .grid-4, .grid-6 { grid-template-columns: 1fr 1fr; }
            .site-footer__grid { grid-template-columns: 1fr; gap: 24px; }
            .site-header__inner { padding: 0 16px; min-height: 60px; }
            .main-nav { display: none; }
            .nav-toggle { display: flex; }
            .mobile-nav--open { display: flex; }
            .hero { padding: 36px 0 32px; }
            .cta-section { padding: 36px 24px; }
            .cta-section__title { font-size: 22px; }
            .site-footer__bottom { flex-direction: column; text-align: center; justify-content: center; }
        }

        @media (max-width: 520px) {
            .container-wide { padding-left: 16px; padding-right: 16px; }
            .grid-3, .grid-4, .grid-6, .grid-2 { grid-template-columns: 1fr; }
            .data-bar { grid-template-columns: 1fr; gap: 14px; }
            .data-bar__item + .data-bar__item { border-left: none; border-top: 1px solid var(--border); padding-top: 14px; }
            .guarantee-bar { grid-template-columns: 1fr; }
            .hero__actions { flex-direction: column; }
            .hero__actions .btn { width: 100%; }
            .hero__badges { gap: 12px; flex-wrap: wrap; }
            .section__title { font-size: 22px; }
            .rank-item { padding: 12px 14px; gap: 10px; }
            .rank-item__title { font-size: 14px; }
            .cta-form { flex-direction: column; }
            .cta-form input { width: 100%; min-width: 100%; }
            .cta-form .btn { width: 100%; }
        }

        /* Utility */
        .text-center { text-align: center; }
        .mt-12 { margin-top: 12px; }
        .mt-20 { margin-top: 20px; }
        .mt-24 { margin-top: 24px; }
        .mt-32 { margin-top: 32px; }
        .mt-40 { margin-top: 40px; }
        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

/* roulang page: category1 */
:root {
  --primary: #2563EB;
  --primary-hover: #1D4ED8;
  --primary-soft: #E8EEF9;
  --secondary: #64748B;
  --accent: #F97316;
  --accent-soft: #FFF7ED;
  --bg: #F8FAFC;
  --bg-alt: #FFFFFF;
  --card-bg: #FFFFFF;
  --text-main: #0F172A;
  --text-secondary: #475569;
  --border: #E2E8F0;
  --success: #10B981;
  --radius-card: 16px;
  --radius-btn: 12px;
  --radius-input: 10px;
  --radius-pill: 999px;
  --shadow-card: 0 10px 30px rgba(15, 23, 42, 0.06);
  --shadow-card-hover: 0 16px 40px rgba(37, 99, 235, 0.14);
  --shadow-nav: 0 2px 12px rgba(15, 23, 42, 0.04);
  --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --section-pad: 72px;
  --section-pad-mobile: 48px;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-main);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--primary); }
a:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; border-radius: 4px; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; font-family: var(--font-stack); }
input { font-family: var(--font-stack); }
.container-wide {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.section { padding: var(--section-pad) 0; }
.section--white { background: var(--bg-alt); }
.section--gray { background: var(--bg); }
.section--soft { background: #F1F5F9; }
.section--blue-soft { background: linear-gradient(180deg, #EFF6FF 0%, #F8FAFC 100%); }
.section__header { margin-bottom: 40px; }
.section__header--center { text-align: center; }
.section__label {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
}
.section__title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-main);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.section__desc {
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 auto;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius-btn);
  border: 2px solid transparent;
  transition: all var(--transition-base);
  text-align: center;
  min-height: 48px;
  line-height: 1.2;
}
.btn:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }
.btn--primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}
.btn--primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: #fff;
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.38);
  transform: translateY(-2px);
}
.btn--primary:active { transform: translateY(0); box-shadow: 0 3px 10px rgba(37, 99, 235, 0.25); }
.btn--outline {
  background: transparent;
  color: var(--primary);
  border-color: #CBD5E1;
}
.btn--outline:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}
.btn--outline:active { transform: translateY(0); }
.btn--accent {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 4px 14px rgba(249, 115, 22, 0.3);
}
.btn--accent:hover {
  background: #EA580C;
  border-color: #EA580C;
  color: #fff;
  box-shadow: 0 8px 22px rgba(249, 115, 22, 0.38);
  transform: translateY(-2px);
}
.btn--sm {
  padding: 10px 20px;
  font-size: 14px;
  min-height: 40px;
  border-radius: 10px;
}
.btn--full { width: 100%; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  background: var(--primary-soft);
  color: var(--primary);
  white-space: nowrap;
}
.badge--accent { background: var(--accent-soft); color: var(--accent); }
.badge--success { background: #ECFDF5; color: var(--success); }
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: #F1F5F9;
  color: var(--text-secondary);
  white-space: nowrap;
}
.tag--blue { background: var(--primary-soft); color: var(--primary); }
.tag--orange { background: var(--accent-soft); color: var(--accent); }
.tag--green { background: #ECFDF5; color: var(--success); }

/* ============ NAVIGATION ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  box-shadow: var(--shadow-nav);
  border-bottom: 1px solid var(--border);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
}
.logo__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-size: 16px;
  flex-shrink: 0;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.main-nav__item {
  position: relative;
  list-style: none;
}
.main-nav__link {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 10px 16px;
  border-radius: 8px;
  transition: all var(--transition-fast);
  white-space: nowrap;
  min-height: 44px;
}
.main-nav__link:hover {
  color: var(--primary);
  background: var(--primary-soft);
}
.main-nav__link--active {
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
  border-radius: 8px 8px 0 0;
  background: transparent;
}
.main-nav__link--active:hover {
  background: var(--primary-soft);
  color: var(--primary);
}
.mega-item { position: relative; }
.mega-panel {
  position: absolute;
  top: 100%;
  right: 0;
  width: 520px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.12);
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition-base);
  z-index: 999;
}
.mega-item:hover .mega-panel,
.mega-item:focus-within .mega-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.mega-panel__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.mega-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 12px;
  background: #F8FAFC;
  border: 1px solid var(--border);
  transition: all var(--transition-fast);
}
.mega-card:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
  box-shadow: var(--shadow-card);
  color: var(--primary);
}
.mega-card__icon {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: #fff;
  color: var(--primary);
  font-size: 16px;
  flex-shrink: 0;
}
.mega-card__title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.3;
}
.mega-card:hover .mega-card__title { color: var(--primary); }
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 8px;
  border: 2px solid var(--border);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  align-items: center;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: all var(--transition-fast);
}
.nav-toggle--active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle--active span:nth-child(2) { opacity: 0; }
.nav-toggle--active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============ BREADCRUMB ============ */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  padding: 0;
  list-style: none;
}
.breadcrumb li { display: flex; align-items: center; gap: 8px; }
.breadcrumb li:not(:last-child)::after {
  content: '/';
  color: #94A3B8;
  font-size: 13px;
}
.breadcrumb a { color: var(--text-secondary); transition: color var(--transition-fast); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .current { color: var(--primary); font-weight: 600; }

/* ============ PAGE HEADER ============ */
.page-header {
  padding: 40px 0 32px;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.page-header__title {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-main);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.page-header__desc {
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 760px;
  margin: 0;
}
.page-header__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* ============ FILTER BAR ============ */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  margin-bottom: 32px;
}
.filter-bar__label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-right: 4px;
}
.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  background: #F8FAFC;
  border: 1px solid var(--border);
  transition: all var(--transition-fast);
  min-height: 40px;
  cursor: pointer;
  white-space: nowrap;
}
.filter-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: var(--primary-soft);
}
.filter-btn--active {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
}
.filter-btn--active:hover {
  color: #fff;
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}
.filter-btn:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

/* ============ CARD GRID ============ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.content-card {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}
.content-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(37, 99, 235, 0.25);
}
.content-card__media {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #E2E8F0;
}
.content-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}
.content-card:hover .content-card__media img { transform: scale(1.04); }
.content-card__play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.35);
  opacity: 0;
  transition: opacity var(--transition-base);
}
.content-card:hover .content-card__play { opacity: 1; }
.content-card__play-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 16px rgba(249, 115, 22, 0.4);
}
.content-card__play-btn:hover {
  background: #EA580C;
  transform: scale(1.08);
}
.content-card__body {
  padding: 20px 20px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.content-card__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.4;
  margin-bottom: 8px;
  transition: color var(--transition-fast);
}
.content-card:hover .content-card__title { color: var(--primary); }
.content-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.content-card__footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

/* ============ TOPIC ENTRY ============ */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.topic-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: #fff;
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  padding: 20px 22px;
  transition: all var(--transition-base);
  overflow: hidden;
  position: relative;
}
.topic-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(37, 99, 235, 0.25);
}
.topic-card__thumb {
  width: 72px;
  height: 72px;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
  background: #E2E8F0;
}
.topic-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.topic-card__info {
  flex: 1;
  min-width: 0;
}
.topic-card__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
  line-height: 1.4;
}
.topic-card__desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}
.topic-card__arrow {
  color: #94A3B8;
  font-size: 16px;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}
.topic-card:hover .topic-card__arrow {
  color: var(--primary);
  transform: translateX(4px);
}

/* ============ TIMELINE ============ */
.timeline {
  position: relative;
  padding-left: 28px;
  max-width: 720px;
  margin: 0 auto;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: var(--primary-soft);
  border-radius: 2px;
}
.timeline__item {
  position: relative;
  padding: 0 0 28px 24px;
}
.timeline__item:last-child { padding-bottom: 0; }
.timeline__dot {
  position: absolute;
  left: -26px;
  top: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid #fff;
  box-shadow: 0 0 0 3px var(--primary-soft);
}
.timeline__time {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}
.timeline__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}
.timeline__desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
}

/* ============ TIPS ============ */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.tip-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: #fff;
  border-radius: var(--radius-card);
  border: 1px solid var(--border);
  padding: 20px;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-fast);
}
.tip-card:hover {
  border-color: rgba(37, 99, 235, 0.25);
  box-shadow: var(--shadow-card-hover);
}
.tip-card__icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 18px;
  flex-shrink: 0;
}
.tip-card__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}
.tip-card__desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

/* ============ FAQ ============ */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.03);
}
.faq-item:hover {
  border-color: rgba(37, 99, 235, 0.25);
}
.faq-item--open {
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.1);
}
.faq-item__btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px;
  background: transparent;
  border: none;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  text-align: left;
  transition: all var(--transition-fast);
  min-height: 56px;
}
.faq-item__btn:hover {
  color: var(--primary);
  background: #F8FAFC;
}
.faq-item__btn:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: -3px;
}
.faq-item__icon {
  font-size: 14px;
  color: var(--text-secondary);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}
.faq-item--open .faq-item__icon {
  transform: rotate(180deg);
  color: var(--primary);
}
.faq-item__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s ease;
}
.faq-item__content-inner {
  padding: 0 20px 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
}
.faq-item--open .faq-item__content {
  max-height: 300px;
  padding-top: 0;
}

/* ============ CTA ============ */
.cta-section {
  background: linear-gradient(135deg, #1E3A5F 0%, #1D4ED8 55%, #2563EB 100%);
  border-radius: 20px;
  padding: 48px 40px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}
.cta-section::after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: -40px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
}
.cta-section__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-section__title {
  font-size: 26px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
  line-height: 1.3;
}
.cta-section__desc {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
  max-width: 520px;
}
.cta-section__form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}
.cta-input {
  flex: 1;
  min-width: 240px;
  padding: 14px 18px;
  border-radius: var(--radius-input);
  border: 2px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 15px;
  outline: none;
  transition: all var(--transition-fast);
  min-height: 48px;
}
.cta-input::placeholder { color: rgba(255, 255, 255, 0.6); }
.cta-input:focus {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.2);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.15);
}
.cta-section .btn--accent {
  box-shadow: 0 4px 16px rgba(249, 115, 22, 0.4);
}

/* ============ FOOTER ============ */
.site-footer {
  background: #0F172A;
  color: rgba(255, 255, 255, 0.75);
  padding: 56px 0 32px;
  margin-top: 0;
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.site-footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.site-footer__logo .logo__icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
}
.site-footer__desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
  max-width: 280px;
}
.site-footer__col-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.site-footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.site-footer__links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition-fast);
}
.site-footer__links a:hover {
  color: #fff;
}
.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-top: 24px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}
.site-footer__bottom a {
  color: rgba(255, 255, 255, 0.65);
}
.site-footer__bottom a:hover {
  color: #fff;
}

/* ============ RESPONSIVE ============ */
@media screen and (max-width: 1024px) {
  .mega-panel {
    width: 440px;
  }
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .page-header__title {
    font-size: 28px;
  }
}
@media screen and (max-width: 768px) {
  :root {
    --section-pad: var(--section-pad-mobile);
  }
  .section { padding: 48px 0; }
  .section__title {
    font-size: 24px;
  }
  .page-header {
    padding: 28px 0 24px;
  }
  .page-header__title {
    font-size: 24px;
    line-height: 1.35;
  }
  .nav-toggle {
    display: flex;
  }
  .main-nav {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 16px 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.1);
    display: none;
    max-height: calc(100vh - 72px);
    overflow-y: auto;
    gap: 0;
  }
  .main-nav--open {
    display: flex;
  }
  .main-nav__link {
    width: 100%;
    padding: 14px 16px;
    border-radius: 8px;
    min-height: 48px;
  }
  .main-nav__link--active {
    border-bottom: none;
    background: var(--primary-soft);
    border-radius: 8px;
  }
  .mega-panel {
    position: static;
    width: 100%;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 4px 0 8px;
    display: none;
  }
  .mega-item--open .mega-panel {
    display: block;
  }
  .mega-panel__grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .card-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .topic-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .tips-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .filter-bar {
    padding: 12px 14px;
    gap: 8px;
  }
  .filter-btn {
    padding: 8px 14px;
    font-size: 13px;
    min-height: 36px;
  }
  .cta-section {
    padding: 32px 20px;
    border-radius: 16px;
  }
  .cta-section__inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .cta-section__form {
    width: 100%;
    flex-direction: column;
  }
  .cta-input {
    width: 100%;
    min-width: auto;
  }
  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}
@media screen and (max-width: 520px) {
  .container-wide {
    padding-left: 16px;
    padding-right: 16px;
  }
  .page-header__title {
    font-size: 21px;
  }
  .section__title {
    font-size: 21px;
  }
  .content-card__title {
    font-size: 15px;
  }
  .timeline {
    padding-left: 22px;
  }
  .cta-section__title {
    font-size: 22px;
  }
}