/* roulang page: index */
:root {
            --primary: #FF4D2E;
            --primary-dark: #D93A22;
            --night: #1B1B1F;
            --night-soft: #2A2A30;
            --acid: #E8FF3C;
            --purple: #5B3E8C;
            --warm-bg: #F5F0E8;
            --white: #FFFFFF;
            --green: #3DDC97;
            --orange: #F5A524;
            --text-dark: #1B1B1F;
            --text-muted: #6B6B72;
            --text-light: #F5F0E8;
            --border-light: rgba(0,0,0,0.08);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-full: 999px;
            --shadow-light: 0 8px 24px rgba(27,27,31,0.06);
            --shadow-heavy: 0 12px 32px rgba(0,0,0,0.25);
            --section-pad-desktop: 88px 0;
            --section-pad-mobile: 48px 0;
            --max-width: 1200px;
            --font-cn: 'Source Han Sans SC','Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
            --font-en: 'Rajdhani','Chakra Petch',sans-serif;
        }

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

        body {
            font-family: var(--font-cn);
            background: var(--white);
            color: var(--text-dark);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

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

        img {
            max-width: 100%;
            display: block;
            border-radius: var(--radius-md);
        }

        button, input, select, textarea {
            font-family: var(--font-cn);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--night);
            box-shadow: 0 4px 16px rgba(0,0,0,0.18);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            padding: 0 20px;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--white);
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--white);
            font-weight: 900;
        }

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

        .brand-actions .search-icon,
        .brand-actions .user-icon {
            color: var(--text-light);
            font-size: 18px;
            cursor: pointer;
            transition: color 0.2s;
        }

        .brand-actions .search-icon:hover,
        .brand-actions .user-icon:hover {
            color: var(--acid);
        }

        .btn-membership {
            background: var(--primary);
            color: var(--white);
            border: none;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-weight: 700;
            cursor: pointer;
            font-size: 15px;
            transition: background 0.25s, transform 0.2s;
        }

        .btn-membership:hover {
            background: var(--primary-dark);
            color: var(--white);
            transform: translateY(-1px);
        }

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

        .channel-row {
            background: #242429;
            border-top: 1px solid rgba(255,255,255,0.08);
            height: 48px;
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .channel-row::-webkit-scrollbar {
            display: none;
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 0 20px;
            max-width: var(--max-width);
            margin: 0 auto;
            width: 100%;
        }

        .channel-nav a,
        .channel-nav span.nav-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
            color: var(--text-light);
            font-size: 14px;
            font-weight: 600;
            padding: 8px 14px;
            border-radius: 6px;
            border: 1px solid transparent;
            cursor: pointer;
            transition: background 0.2s, border-color 0.2s, color 0.2s;
        }

        .channel-nav a:hover,
        .channel-nav span.nav-item:hover {
            background: rgba(255,255,255,0.06);
            color: var(--acid);
            border-color: rgba(255,255,255,0.15);
        }

        .channel-nav a.active {
            background: var(--primary);
            color: var(--white);
            border-color: var(--primary);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 24px;
            cursor: pointer;
        }

        .hamburger:focus-visible {
            outline: 2px solid var(--acid);
            outline-offset: 2px;
        }

        /* Mobile menu */
        .mobile-menu {
            display: none;
            background: #242429;
            padding: 10px 20px;
            flex-direction: column;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 4px;
            color: var(--text-light);
            font-size: 16px;
            font-weight: 600;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

        .mobile-menu a.active {
            color: var(--acid);
        }

        @media (max-width: 768px) {
            .brand-actions .search-icon,
            .brand-actions .user-icon,
            .btn-membership {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .channel-row {
                display: none;
            }
            .mobile-menu.open {
                display: flex;
            }
            .brand-row {
                height: 60px;
            }
        }

        /* Hero */
        .hero-section {
            background: var(--night);
            position: relative;
            overflow: hidden;
            padding: var(--section-pad-desktop);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/b78709c4bc3ad241.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(27,27,31,0.92) 30%, rgba(27,27,31,0.65) 70%, rgba(91,62,140,0.55));
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 52px;
            align-items: center;
        }

        .hero-text h1 {
            color: var(--white);
            font-size: 42px;
            font-weight: 900;
            line-height: 1.3;
            letter-spacing: 0.5px;
        }

        .hero-text .hero-sub {
            color: rgba(255,255,255,0.85);
            font-size: 17px;
            line-height: 1.85;
            margin: 24px 0 32px;
            max-width: 580px;
        }

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

        .btn-primary {
            background: var(--primary);
            color: var(--white);
            border: none;
            padding: 14px 34px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 16px;
            cursor: pointer;
            transition: background 0.25s, transform 0.2s, box-shadow 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255,77,46,0.35);
        }

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

        .btn-ghost {
            background: transparent;
            color: var(--text-light);
            border: 1px solid rgba(255,255,255,0.5);
            padding: 14px 30px;
            border-radius: var(--radius-full);
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, border-color 0.25s, color 0.25s;
        }

        .btn-ghost:hover {
            background: rgba(255,255,255,0.1);
            border-color: var(--acid);
            color: var(--acid);
        }

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

        .hero-visual {
            position: relative;
            display: flex;
            gap: 16px;
            justify-content: center;
        }

        .hero-cover-main {
            width: 55%;
            aspect-ratio: 4/5;
            object-fit: cover;
            border-radius: var(--radius-lg);
            border: 2px solid rgba(255,255,255,0.2);
            box-shadow: var(--shadow-heavy);
        }

        .hero-cover-secondary {
            width: 35%;
            aspect-ratio: 4/5;
            object-fit: cover;
            border-radius: var(--radius-lg);
            border: 2px solid rgba(255,255,255,0.2);
            box-shadow: var(--shadow-heavy);
            margin-top: 40px;
        }

        .hero-cover-float {
            position: absolute;
            bottom: -16px;
            left: 8%;
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 16px 22px;
            box-shadow: var(--shadow-heavy);
            font-weight: 700;
            font-size: 15px;
            color: var(--text-dark);
        }

        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-text h1 {
                font-size: 34px;
            }
            .hero-visual {
                justify-content: flex-start;
            }
        }

        @media (max-width: 640px) {
            .hero-section {
                padding: var(--section-pad-mobile);
            }
            .hero-text h1 {
                font-size: 28px;
            }
            .hero-text .hero-sub {
                font-size: 15px;
            }
            .hero-cover-main,
            .hero-cover-secondary {
                width: 48%;
            }
            .hero-cta {
                flex-direction: column;
                width: 100%;
            }
            .btn-primary, .btn-ghost {
                width: 100%;
                justify-content: center;
            }
        }

        /* Section General */
        .section {
            padding: var(--section-pad-desktop);
        }

        .section-dark {
            background: var(--night);
            color: var(--white);
        }

        .section-warm {
            background: var(--warm-bg);
        }

        .section-white {
            background: var(--white);
        }

        .section-header {
            margin-bottom: 42px;
            max-width: 800px;
        }

        .section-header h2 {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.4;
            letter-spacing: 0.3px;
        }

        .section-header p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-muted);
            margin-top: 14px;
        }

        .section-dark .section-header p {
            color: rgba(255,255,255,0.7);
        }

        @media (max-width: 640px) {
            .section {
                padding: var(--section-pad-mobile);
            }
            .section-header h2 {
                font-size: 24px;
            }
        }

        /* Channel chips */
        .chips-scroll {
            display: flex;
            flex-wrap: nowrap;
            overflow-x: auto;
            gap: 12px;
            padding: 8px 0 18px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .chips-scroll::-webkit-scrollbar {
            display: none;
        }

        .chip {
            scroll-snap-align: start;
            flex: 0 0 auto;
            background: var(--white);
            border-radius: var(--radius-full);
            padding: 12px 24px;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-dark);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-light);
            transition: background 0.2s, border-color 0.2s, transform 0.2s;
        }

        .chip:hover {
            background: var(--acid);
            border-color: var(--acid);
            transform: translateY(-2px);
        }

        .chip.active {
            background: var(--primary);
            color: var(--white);
            border-color: var(--primary);
        }

        /* Feature mosaic */
        .mosaic-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 18px;
        }

        .mosaic-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            box-shadow: var(--shadow-light);
            transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .mosaic-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: 0 12px 28px rgba(0,0,0,0.1);
        }

        .mosaic-card .card-icon {
            width: 42px;
            height: 42px;
            background: rgba(255,77,46,0.1);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            font-weight: 700;
        }

        .mosaic-card .card-label {
            font-size: 13px;
            font-weight: 700;
            color: var(--purple);
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        .mosaic-card h3 {
            font-size: 19px;
            font-weight: 700;
        }

        .mosaic-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .mosaic-card.span-4 { grid-column: span 4; }
        .mosaic-card.span-3 { grid-column: span 3; }
        .mosaic-card.span-5 { grid-column: span 5; }
        .mosaic-card.span-2 { grid-column: span 2; }
        .mosaic-card.span-6 { grid-column: span 6; }
        .mosaic-card.span-8 { grid-column: span 8; }

        @media (max-width: 1024px) {
            .mosaic-card.span-4, .mosaic-card.span-3, .mosaic-card.span-5, .mosaic-card.span-2, .mosaic-card.span-6, .mosaic-card.span-8 {
                grid-column: span 6;
            }
        }

        @media (max-width: 640px) {
            .mosaic-card.span-4, .mosaic-card.span-3, .mosaic-card.span-5, .mosaic-card.span-2, .mosaic-card.span-6, .mosaic-card.span-8 {
                grid-column: span 12;
            }
        }

        /* Scenario cards */
        .scenario-scroll {
            display: flex;
            flex-wrap: nowrap;
            overflow-x: auto;
            gap: 18px;
            padding: 8px 0 18px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .scenario-scroll::-webkit-scrollbar {
            display: none;
        }

        .scenario-card {
            flex: 0 0 320px;
            scroll-snap-align: start;
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-light);
            transition: transform 0.2s;
        }

        .scenario-card:hover {
            transform: translateY(-4px);
        }

        .scenario-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
        }

        .scenario-card .scenario-body {
            padding: 18px 20px 22px;
        }

        .scenario-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .scenario-card p {
            font-size: 14px;
            color: var(--text-muted);
        }

        @media (max-width: 640px) {
            .scenario-card {
                flex: 0 0 85%;
            }
        }

        /* Demo block */
        .demo-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .demo-item {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-light);
            border: 1px solid var(--border-light);
        }

        .demo-item img {
            width: 100%;
            height: 240px;
            object-fit: cover;
            border-radius: 0;
        }

        .demo-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(27,27,31,0.75);
            color: var(--white);
            padding: 14px 20px;
            font-weight: 600;
            font-size: 15px;
        }

        @media (max-width: 768px) {
            .demo-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Case */
        .case-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .case-row {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 20px;
            align-items: center;
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-light);
            padding: 0;
        }

        .case-text {
            padding: 24px 26px;
        }

        .case-text h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .case-text .case-stats {
            display: flex;
            gap: 18px;
            margin-top: 12px;
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 600;
        }

        .case-thumb {
            height: 100%;
            min-height: 160px;
            background-size: cover;
            background-position: center;
        }

        .case-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }

        @media (max-width: 768px) {
            .case-row {
                grid-template-columns: 1fr;
            }
            .case-thumb {
                min-height: 200px;
            }
        }

        /* Pricing */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            align-items: stretch;
        }

        .pricing-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            box-shadow: var(--shadow-light);
            display: flex;
            flex-direction: column;
            position: relative;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .pricing-card.featured {
            background: var(--night);
            color: var(--white);
            border-color: var(--night);
            transform: scale(1.03);
            box-shadow: var(--shadow-heavy);
            z-index: 1;
        }

        .pricing-card.featured:hover {
            transform: scale(1.05);
        }

        .pricing-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 18px 36px rgba(0,0,0,0.12);
        }

        .pricing-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--acid);
            color: var(--night);
            font-weight: 700;
            font-size: 13px;
            padding: 4px 16px;
            border-radius: var(--radius-full);
        }

        .pricing-name {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .pricing-price {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.2;
        }

        .pricing-price span {
            font-size: 16px;
            font-weight: 400;
            opacity: 0.7;
        }

        .pricing-desc {
            font-size: 14px;
            opacity: 0.8;
            margin: 14px 0 24px;
            min-height: 60px;
        }

        .pricing-features {
            list-style: none;
            margin: 0 0 28px;
            padding: 0;
            flex: 1;
        }

        .pricing-features li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .pricing-card.featured .pricing-features li {
            border-bottom-color: rgba(255,255,255,0.1);
        }

        .pricing-features li i {
            color: var(--green);
            width: 18px;
            text-align: center;
        }

        .pricing-card.featured .btn-primary {
            width: 100%;
        }

        .btn-outline {
            display: block;
            background: transparent;
            color: var(--night);
            border: 1px solid var(--night);
            padding: 12px 20px;
            border-radius: var(--radius-full);
            font-weight: 600;
            text-align: center;
            transition: background 0.2s, color 0.2s;
        }

        .btn-outline:hover {
            background: var(--night);
            color: var(--white);
        }

        @media (max-width: 1024px) {
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 500px;
                margin: 0 auto;
            }
            .pricing-card.featured {
                transform: scale(1);
            }
        }

        /* Reviews */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }

        .review-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 26px 24px;
            box-shadow: var(--shadow-light);
        }

        .review-stars {
            color: var(--orange);
            letter-spacing: 2px;
            font-size: 16px;
        }

        .review-text {
            font-size: 15px;
            line-height: 1.75;
            margin: 14px 0;
        }

        .review-author {
            font-weight: 700;
            font-size: 14px;
        }

        .review-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 10px;
        }

        .review-tags span {
            background: rgba(91,62,140,0.1);
            color: var(--purple);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
        }

        @media (max-width: 768px) {
            .reviews-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Word of mouth */
        .wom-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .wom-item {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            transition: border-color 0.2s;
        }

        .wom-item:hover {
            border-color: var(--acid);
        }

        .wom-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--acid);
            line-height: 1.2;
        }

        .wom-label {
            font-size: 14px;
            color: rgba(255,255,255,0.7);
            margin-top: 6px;
        }

        .wom-short {
            grid-column: span 4;
            background: rgba(255,255,255,0.04);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 15px;
            color: rgba(255,255,255,0.85);
        }

        .wom-short i {
            color: var(--green);
            font-size: 22px;
        }

        @media (max-width: 1024px) {
            .wom-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .wom-short {
                grid-column: span 2;
            }
        }

        @media (max-width: 520px) {
            .wom-grid {
                grid-template-columns: 1fr;
            }
            .wom-short {
                grid-column: span 1;
            }
        }

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

        .news-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-light);
            transition: transform 0.2s, border-color 0.2s;
        }

        .news-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
        }

        .news-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: 0;
        }

        .news-body {
            padding: 18px 20px 22px;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .news-badge {
            background: var(--primary);
            color: var(--white);
            font-size: 12px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 999px;
        }

        .news-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .news-excerpt {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        @media (max-width: 1024px) {
            .news-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .news-list {
                grid-template-columns: 1fr;
            }
        }

        /* Tags */
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .tag-pill {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-full);
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
            transition: background 0.2s, border-color 0.2s, color 0.2s;
            box-shadow: var(--shadow-light);
        }

        .tag-pill:hover {
            background: var(--acid);
            border-color: var(--acid);
            color: var(--night);
        }

        .tag-pill.rank-1 { background: var(--primary); color: var(--white); border-color: var(--primary); }
        .tag-pill.rank-2 { background: var(--purple); color: var(--white); border-color: var(--purple); }
        .tag-pill.rank-3 { background: var(--night); color: var(--white); border-color: var(--night); }

        /* Subscribe form */
        .subscribe-box {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 32px;
            align-items: center;
        }

        .subscribe-info h3 {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .subscribe-info p {
            font-size: 15px;
            color: var(--text-muted);
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 1px solid var(--night);
            background: var(--warm-bg);
            border-radius: var(--radius-full);
            font-size: 15px;
            outline: none;
            transition: border-color 0.2s, box-shadow 0.2s;
        }

        .subscribe-form input[type="email"]:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(232,255,60,0.4);
        }

        .subscribe-form .btn-primary {
            white-space: nowrap;
        }

        @media (max-width: 768px) {
            .subscribe-box {
                grid-template-columns: 1fr;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input[type="email"],
            .subscribe-form .btn-primary {
                width: 100%;
            }
        }

        /* Big CTA */
        .big-cta-section {
            background: var(--primary);
            position: relative;
            overflow: hidden;
            padding: 72px 0;
        }

        .big-cta-geo {
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: var(--acid);
            opacity: 0.2;
            border-radius: 50%;
            z-index: 0;
        }

        .big-cta-geo.purple {
            left: -5%;
            bottom: -40%;
            background: var(--purple);
            opacity: 0.25;
        }

        .big-cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            color: var(--white);
        }

        .big-cta-content h2 {
            font-size: 30px;
            font-weight: 900;
            margin-bottom: 14px;
        }

        .big-cta-content p {
            font-size: 16px;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto 28px;
        }

        .big-cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-white-fill {
            background: var(--white);
            color: var(--primary);
            border: none;
            padding: 14px 30px;
            border-radius: var(--radius-full);
            font-weight: 700;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .btn-white-fill:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(0,0,0,0.15);
        }

        .btn-acid-outline {
            background: transparent;
            color: var(--acid);
            border: 1px solid var(--acid);
            padding: 14px 30px;
            border-radius: var(--radius-full);
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, color 0.2s;
        }

        .btn-acid-outline:hover {
            background: var(--acid);
            color: var(--night);
        }

        @media (max-width: 640px) {
            .big-cta-buttons {
                flex-direction: column;
                width: 100%;
            }
            .btn-white-fill, .btn-acid-outline {
                width: 100%;
            }
        }

        /* Trust bar */
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .trust-item {
            text-align: center;
            padding: 24px 16px;
            border-radius: var(--radius-md);
            background: var(--white);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-light);
            transition: transform 0.2s;
        }

        .trust-item:hover {
            transform: translateY(-3px);
        }

        .trust-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .trust-item h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .trust-item p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        @media (max-width: 1024px) {
            .trust-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .trust-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--night);
            color: var(--text-light);
            padding: 64px 0 0;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        .footer-brand .logo {
            font-size: 24px;
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255,255,255,0.7);
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--white);
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255,255,255,0.7);
            margin-bottom: 10px;
            transition: color 0.2s;
        }

        .footer-col a:hover {
            color: var(--acid);
        }

        .footer-bottom {
            padding: 22px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255,255,255,0.5);
        }

        .footer-bottom a {
            color: rgba(255,255,255,0.6);
            margin-left: 16px;
        }

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

        @media (max-width: 1024px) {
            .footer-top {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .footer-top {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-bottom .legal-links {
                flex-wrap: wrap;
            }
        }

/* roulang page: category1 */
:root {
  --primary: #FF4D2E;
  --primary-dark: #D93A22;
  --night: #1B1B1F;
  --night-soft: #2A2A30;
  --acid: #E8FF3C;
  --purple: #5B3E8C;
  --warm-bg: #F5F0E8;
  --white: #FFFFFF;
  --green: #3DDC97;
  --orange: #F5A524;
  --text-dark: #1B1B1F;
  --text-muted: #6B6B72;
  --text-light: #F5F0E8;
  --border-light: rgba(0,0,0,0.08);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-full: 999px;
  --shadow-light: 0 8px 24px rgba(27,27,31,0.06);
  --shadow-heavy: 0 12px 32px rgba(0,0,0,0.25);
  --section-pad-desktop: 72px 0;
  --section-pad-mobile: 48px 0;
  --max-width: 1200px;
  --font-cn: 'Source Han Sans SC','Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-en: 'Rajdhani','Chakra Petch',sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
body {
  font-family: var(--font-cn);
  background: var(--white);
  color: var(--text-dark);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  margin: 0;
}
a { text-decoration: none; color: inherit; transition: color 0.2s ease; }
a:hover { color: var(--primary); }
img { max-width: 100%; display: block; border-radius: var(--radius-md); }
button, input, select, textarea { font-family: var(--font-cn); }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* Header / Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--night);
  box-shadow: 0 4px 16px rgba(0,0,0,0.18);
}
.brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 20px;
  max-width: var(--max-width);
  margin: 0 auto;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--white);
}
.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--white);
  font-weight: 900;
}
.brand-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.brand-actions .search-icon,
.brand-actions .user-icon {
  color: var(--text-light);
  font-size: 18px;
  cursor: pointer;
  transition: color 0.2s;
}
.brand-actions .search-icon:hover,
.brand-actions .user-icon:hover {
  color: var(--acid);
}
.btn-membership {
  background: var(--primary);
  color: var(--white);
  border: none;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-weight: 700;
  cursor: pointer;
  font-size: 15px;
  transition: background 0.25s, transform 0.2s;
}
.btn-membership:hover {
  background: var(--primary-dark);
  color: var(--white);
  transform: translateY(-1px);
}
.btn-membership:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 2px;
}
.channel-row {
  background: #242429;
  border-top: 1px solid rgba(255,255,255,0.08);
  height: 48px;
  display: flex;
  align-items: center;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.channel-row::-webkit-scrollbar { display: none; }
.channel-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 20px;
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}
.channel-nav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  color: var(--text-light);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.channel-nav a:hover {
  background: rgba(255,255,255,0.06);
  color: var(--acid);
  border-color: rgba(255,255,255,0.15);
}
.channel-nav a.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}
.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 24px;
  cursor: pointer;
}
.hamburger:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 2px;
}
.mobile-menu {
  display: none;
  background: #242429;
  padding: 10px 20px;
  flex-direction: column;
}
.mobile-menu a {
  display: block;
  padding: 12px 4px;
  color: var(--text-light);
  font-size: 16px;
  font-weight: 600;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.mobile-menu a.active { color: var(--primary); }
.mobile-menu a:hover { color: var(--acid); }

/* Main */
main { display: block; }
section { padding: var(--section-pad-desktop); }
.section-alt { background: var(--warm-bg); }
.section-dark { background: var(--night); color: var(--text-light); }

/* Category H1 Area */
.category-head {
  background: var(--white);
  border-bottom: 1px solid var(--border-light);
  padding-top: 32px;
  padding-bottom: 32px;
}
.category-head .container {
  display: flex;
  gap: 28px;
  align-items: center;
  flex-wrap: wrap;
}
.breadcrumb {
  flex-basis: 100%;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { margin: 0 8px; }
.category-head-text {
  flex: 1 1 55%;
}
.category-head-text h1 {
  font-size: 32px;
  font-weight: 900;
  margin: 0 0 10px;
  color: var(--night);
  letter-spacing: 0.5px;
}
.category-head-text p {
  font-size: 16px;
  color: var(--text-muted);
  margin: 0 0 16px;
  line-height: 1.7;
}
.category-stats {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.stat-item {
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.stat-number {
  font-size: 26px;
  font-weight: 800;
  color: var(--primary);
  font-family: var(--font-en);
}
.stat-label {
  font-size: 14px;
  color: var(--text-muted);
}
.category-head-image {
  flex: 0 0 200px;
  height: 150px;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-light);
  background-image: url('/assets/images/2cb0f527bb8b1c69.webp');
  overflow: hidden;
}
.category-head-image img { display: none; }

/* Tools bar */
.tools-bar {
  background: var(--warm-bg);
  padding: 18px 0;
  border-bottom: 1px solid var(--border-light);
}
.tools-bar .container {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.tools-group {
  display: flex;
  align-items: center;
  gap: 8px;
}
.tools-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dark);
  white-space: nowrap;
}
.chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--white);
  border: 1px solid var(--border-light);
  font-size: 13px;
  color: var(--text-dark);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.chip:hover, .chip.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}
.tools-select {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  background: var(--white);
  font-size: 14px;
  color: var(--text-dark);
  cursor: pointer;
  min-width: 120px;
}
.tools-select:focus {
  outline: 2px solid var(--acid);
  border-color: var(--primary);
}

/* Article list */
.article-list {
  background: var(--white);
}
.article-list .container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.article-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-light);
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  display: flex;
  flex-direction: column;
}
.article-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: 0 16px 32px rgba(27,27,31,0.1);
}
.card-image {
  height: 180px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.card-image .tag-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--primary);
  color: #fff;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
}
.card-body {
  padding: 18px 20px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.card-title {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 8px;
  line-height: 1.5;
}
.card-title a { color: var(--night); }
.card-title a:hover { color: var(--primary); }
.card-summary {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0 0 12px;
  line-height: 1.7;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}
.card-meta i { color: var(--primary); }
.more-link {
  text-align: center;
  grid-column: 1 / -1;
  margin-top: 8px;
}
.more-link a {
  display: inline-block;
  padding: 12px 28px;
  border: 1px solid var(--night);
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 15px;
  color: var(--night);
  transition: all 0.25s;
}
.more-link a:hover {
  background: var(--night);
  color: var(--white);
  border-color: var(--night);
}

/* Editor picks */
.editor-picks { background: var(--night); }
.editor-picks .section-title { color: var(--white); }
.editor-picks .container { overflow: hidden; }
.picks-scroll {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 12px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) rgba(255,255,255,0.1);
}
.picks-scroll::-webkit-scrollbar { height: 6px; }
.picks-scroll::-webkit-scrollbar-track { background: rgba(255,255,255,0.1); }
.picks-scroll::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }
.pick-card {
  flex: 0 0 280px;
  scroll-snap-align: start;
  background: var(--night-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
  transition: border-color 0.25s, transform 0.25s;
}
.pick-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}
.pick-card .card-image {
  height: 160px;
  background-size: cover;
  background-position: center;
}
.pick-card .card-body {
  padding: 16px;
}
.pick-card .card-title {
  font-size: 16px;
  color: var(--white);
}
.pick-card .card-title a { color: var(--white); }
.pick-card .card-title a:hover { color: var(--acid); }
.pick-card .card-summary {
  color: rgba(255,255,255,0.7);
  font-size: 13px;
}
.pick-card .card-meta {
  color: rgba(255,255,255,0.6);
}
.pick-card .card-meta i { color: var(--acid); }

/* Tag cloud */
.tag-cloud {
  background: var(--white);
}
.tag-cloud .container { text-align: center; }
.tag-cloud .section-title { margin-bottom: 24px; }
.tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.tag-chip {
  padding: 10px 20px;
  border-radius: var(--radius-full);
  background: var(--warm-bg);
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  color: var(--night);
  transition: all 0.25s;
  cursor: pointer;
}
.tag-chip:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  transform: translateY(-2px);
}
.tag-chip i {
  margin-right: 6px;
  font-size: 13px;
}

/* Subscribe CTA */
.subscribe-cta {
  background: var(--primary);
  color: var(--white);
}
.subscribe-cta .container {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}
.subscribe-text { flex: 1 1 50%; }
.subscribe-text h2 {
  font-size: 28px;
  font-weight: 900;
  margin: 0 0 8px;
}
.subscribe-text p {
  margin: 0;
  opacity: 0.9;
  font-size: 16px;
}
.subscribe-form {
  flex: 1 1 40%;
  display: flex;
  gap: 10px;
  align-items: center;
}
.subscribe-form input[type="email"] {
  flex: 1;
  padding: 14px 18px;
  border-radius: var(--radius-full);
  border: 2px solid rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.15);
  color: var(--white);
  font-size: 15px;
  transition: border-color 0.25s, background 0.25s;
  min-width: 0;
}
.subscribe-form input[type="email"]::placeholder {
  color: rgba(255,255,255,0.7);
}
.subscribe-form input[type="email"]:focus {
  outline: none;
  border-color: var(--acid);
  background: rgba(255,255,255,0.25);
}
.subscribe-form button {
  padding: 14px 28px;
  border-radius: var(--radius-full);
  background: var(--night);
  color: var(--white);
  border: none;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: background 0.25s, transform 0.2s;
  white-space: nowrap;
}
.subscribe-form button:hover {
  background: var(--night-soft);
  transform: translateY(-1px);
}
.subscribe-form button:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 2px;
}

/* Help tips */
.help-tips {
  background: var(--warm-bg);
}
.help-tips .container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.help-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-light);
  transition: transform 0.25s, box-shadow 0.25s;
}
.help-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(27,27,31,0.1);
}
.help-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--purple);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 16px;
}
.help-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 8px;
}
.help-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0 0 12px;
}
.help-card a {
  font-weight: 600;
  color: var(--primary);
  font-size: 14px;
}
.help-card a:hover { color: var(--primary-dark); }

/* Related resources */
.related-resources {
  background: var(--white);
}
.related-resources .container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.related-resources .section-title {
  grid-column: 1 / -1;
}
.resource-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-light);
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  display: flex;
  gap: 16px;
  align-items: center;
}
.resource-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: 0 16px 32px rgba(27,27,31,0.1);
}
.resource-thumb {
  flex: 0 0 80px;
  height: 80px;
  border-radius: var(--radius-sm);
  background-size: cover;
  background-position: center;
}
.resource-info h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 6px;
}
.resource-info h3 a { color: var(--night); }
.resource-info h3 a:hover { color: var(--primary); }
.resource-info p {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0;
}
.resource-more {
  grid-column: 1 / -1;
  text-align: center;
  margin-top: 8px;
}
.resource-more a {
  display: inline-block;
  padding: 12px 28px;
  background: var(--night);
  color: var(--white);
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 15px;
  transition: background 0.25s, transform 0.2s;
}
.resource-more a:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.section-title {
  font-size: 26px;
  font-weight: 800;
  margin: 0 0 20px;
  color: var(--night);
}
.section-dark .section-title {
  color: var(--white);
}

/* Footer */
.site-footer {
  background: var(--night);
  color: var(--text-light);
  padding: 48px 0 24px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
.footer-brand .logo {
  margin-bottom: 12px;
}
.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
}
.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 14px;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 8px;
  transition: color 0.2s;
}
.footer-col a:hover {
  color: var(--acid);
}
.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: rgba(255,255,255,0.6);
}
.legal-links {
  display: flex;
  gap: 18px;
}
.legal-links a {
  color: rgba(255,255,255,0.6);
}
.legal-links a:hover {
  color: var(--acid);
}

/* Responsive */
@media (max-width: 1024px) {
  .article-list .container { grid-template-columns: 1fr 1fr; }
  .help-tips .container { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  section { padding: var(--section-pad-mobile); }
  .channel-row { display: none; }
  .hamburger { display: block; }
  .mobile-menu.open { display: flex; }
  .category-head .container { flex-direction: column; align-items: flex-start; }
  .category-head-image { flex: 0 0 100%; width: 100%; height: 180px; order: -1; }
  .article-list .container { grid-template-columns: 1fr; }
  .pick-card { flex: 0 0 80%; }
  .subscribe-cta .container { flex-direction: column; align-items: stretch; }
  .subscribe-form { flex-direction: column; }
  .help-tips .container { grid-template-columns: 1fr; }
  .related-resources .container { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .legal-links { flex-wrap: wrap; justify-content: center; }
}
@media (max-width: 520px) {
  .brand-row { padding: 0 12px; }
  .brand-actions .search-icon, .brand-actions .user-icon { display: none; }
  .category-head-text h1 { font-size: 26px; }
  .stat-number { font-size: 22px; }
  .tools-bar .container { gap: 10px; }
  .article-card .card-image { height: 150px; }
  .pick-card { flex: 0 0 85%; }
}

/* roulang page: index */
/* ========== 设计变量 ========== */
        :root {
            --color-bg: #180E1D;
            --color-bg-alt: #2B1B30;
            --color-card: #261A2B;
            --color-accent-a: #F5B82E;
            --color-accent-b: #00E0B8;
            --color-warn: #FF4D6D;
            --color-text: #F8F3EA;
            --color-text-muted: #B9B0C2;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-border-hover: rgba(245, 184, 46, 0.35);
            --radius-card: 16px;
            --radius-btn: 999px;
            --radius-btn-square: 12px;
            --shadow-card: 0 20px 40px rgba(0, 0, 0, 0.25);
            --shadow-card-hover: 0 28px 56px rgba(0, 0, 0, 0.38);
            --section-padding: 72px;
            --container-max: 1200px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", "Roboto", sans-serif;
            --transition-speed: 0.25s;
        }

        /* ========== 基础 Reset ========== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.9;
            font-weight: 400;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

        a {
            color: var(--color-accent-b);
            text-decoration: none;
            transition: color var(--transition-speed) ease;
        }
        a:hover {
            color: var(--color-accent-a);
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent-b);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button, input, select, textarea {
            font-family: var(--font-sans);
            font-size: 16px;
            color: var(--color-text);
        }

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

        /* ========== 通用 Section ========== */
        .section-block {
            padding: var(--section-padding) 0;
            position: relative;
        }
        .section-block--alt {
            background-color: var(--color-bg-alt);
        }
        .section-block--card-bg {
            background-color: var(--color-card);
        }
        .section-block--divider-top {
            border-top: 1px solid var(--color-border);
        }
        .section-block--divider-bottom {
            border-bottom: 1px solid var(--color-border);
        }

        .section-title {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.4;
            color: var(--color-text);
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 16px;
            line-height: 1.9;
            color: var(--color-text-muted);
            max-width: 720px;
            margin-bottom: 32px;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: var(--color-accent-a);
            background: rgba(245, 184, 46, 0.1);
            border: 1px solid rgba(245, 184, 46, 0.3);
            border-radius: 999px;
            padding: 4px 14px;
            margin-bottom: 16px;
        }

        /* ========== 导航 Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: var(--color-bg);
            border-bottom: 1px solid var(--color-border);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: 0.5px;
            text-decoration: none;
        }
        .brand-logo:hover {
            color: var(--color-accent-a);
        }
        .brand-logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--color-accent-a), var(--color-warn));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #180E1D;
            font-weight: 900;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .brand-search {
            display: flex;
            align-items: center;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 999px;
            padding: 6px 14px;
            gap: 8px;
            min-width: 200px;
        }
        .brand-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--color-text);
            font-size: 14px;
            width: 100%;
            padding: 4px 0;
        }
        .brand-search input::placeholder {
            color: var(--color-text-muted);
        }
        .brand-search i {
            color: var(--color-text-muted);
            font-size: 14px;
        }
        .brand-search:focus-within {
            border-color: var(--color-accent-b);
            box-shadow: 0 0 0 3px rgba(0, 224, 184, 0.15);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 700;
            font-size: 15px;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            padding: 12px 24px;
            transition: all var(--transition-speed) ease;
            text-decoration: none;
            line-height: 1.4;
        }
        .btn:focus-visible {
            outline: 3px solid var(--color-accent-b);
            outline-offset: 3px;
        }
        .btn:active {
            transform: translateY(1px);
            filter: brightness(0.9);
        }
        .btn-primary {
            background-color: var(--color-accent-a);
            color: #180E1D;
        }
        .btn-primary:hover {
            background-color: #ffcf5e;
            color: #180E1D;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(245, 184, 46, 0.3);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--color-text);
            border: 2px solid var(--color-accent-b);
        }
        .btn-secondary:hover {
            background-color: rgba(0, 224, 184, 0.1);
            color: var(--color-accent-b);
            transform: translateY(-2px);
        }
        .btn-warn {
            background-color: var(--color-warn);
            color: #fff;
        }
        .btn-warn:hover {
            background-color: #ff6b85;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(255, 77, 109, 0.3);
        }
        .btn-small {
            padding: 8px 18px;
            font-size: 13px;
        }
        .btn-large {
            padding: 16px 32px;
            font-size: 17px;
        }

        .channel-row {
            display: flex;
            align-items: center;
            gap: 8px;
            height: 44px;
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .channel-row::-webkit-scrollbar {
            display: none;
        }
        .channel-tag {
            display: inline-flex;
            align-items: center;
            flex-shrink: 0;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-muted);
            background: transparent;
            border: 1px solid var(--color-border);
            border-radius: 999px;
            padding: 6px 16px;
            text-decoration: none;
            transition: all var(--transition-speed) ease;
            cursor: pointer;
        }
        .channel-tag:hover {
            color: var(--color-accent-a);
            border-color: var(--color-border-hover);
        }
        .channel-tag.active {
            background-color: var(--color-accent-a);
            color: #180E1D;
            border-color: var(--color-accent-a);
        }
        .channel-tag:focus-visible {
            outline: 2px solid var(--color-accent-b);
            outline-offset: 2px;
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: var(--color-text);
            font-size: 24px;
            cursor: pointer;
            padding: 8px;
            transition: color var(--transition-speed);
        }
        .hamburger-btn:hover {
            color: var(--color-accent-a);
        }

        .mobile-menu {
            display: none;
            background-color: var(--color-bg);
            border-top: 1px solid var(--color-border);
            padding: 16px 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .mobile-menu.open {
            max-height: 400px;
        }
        .mobile-menu a {
            display: block;
            padding: 10px 0;
            color: var(--color-text);
            font-weight: 600;
            border-bottom: 1px solid var(--color-border);
        }
        .mobile-menu a:hover {
            color: var(--color-accent-a);
        }
        .mobile-menu a:last-child {
            border-bottom: none;
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background-image: url('/assets/images/b78709c4bc3ad241.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(24, 14, 29, 0.92) 0%, rgba(43, 27, 48, 0.78) 50%, rgba(24, 14, 29, 0.88) 100%);
        }
        .hero-overlay::after {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 60%;
            height: 70%;
            background: radial-gradient(ellipse, rgba(255, 77, 109, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }
        .hero-title {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--color-text);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero-title .highlight {
            color: var(--color-accent-a);
        }
        .hero-desc {
            font-size: 17px;
            line-height: 1.9;
            color: var(--color-text-muted);
            margin-bottom: 28px;
            max-width: 560px;
        }
        .hero-cta {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat .stat-num {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-accent-a);
            display: block;
        }
        .hero-stat .stat-label {
            font-size: 13px;
            color: var(--color-text-muted);
        }

        .hero-side-card {
            background: rgba(38, 26, 43, 0.85);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px;
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow-card);
        }
        .hero-side-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--color-accent-b);
        }
        .hero-side-card .quick-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text);
            font-size: 14px;
            transition: all var(--transition-speed);
        }
        .hero-side-card .quick-link:last-child {
            border-bottom: none;
        }
        .hero-side-card .quick-link:hover {
            color: var(--color-accent-a);
            padding-left: 6px;
        }
        .hero-side-card .quick-link i {
            color: var(--color-accent-b);
            font-size: 12px;
        }

        /* ========== 卡片通用 ========== */
        .card {
            background-color: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-speed) ease;
        }
        .card:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card:hover .card-img {
            transform: scale(1.04);
        }
        .card-body {
            padding: 20px 22px;
        }
        .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .card-desc {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .card-meta {
            font-size: 12px;
            color: var(--color-text-muted);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
            background: rgba(0, 224, 184, 0.12);
            color: var(--color-accent-b);
            margin-right: 6px;
        }
        .card-tag--warm {
            background: rgba(245, 184, 46, 0.12);
            color: var(--color-accent-a);
        }
        .card-tag--warn {
            background: rgba(255, 77, 109, 0.12);
            color: var(--color-warn);
        }

        /* ========== 频道入口条 ========== */
        .channel-entry-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 12px;
        }
        .channel-entry-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            padding: 18px 12px;
            text-align: center;
            text-decoration: none;
            color: var(--color-text);
            transition: all var(--transition-speed);
        }
        .channel-entry-item:hover {
            border-color: var(--color-border-hover);
            color: var(--color-accent-a);
            transform: translateY(-3px);
        }
        .channel-entry-item .entry-icon {
            font-size: 24px;
            display: block;
            margin-bottom: 8px;
            color: var(--color-accent-a);
        }
        .channel-entry-item .entry-label {
            font-size: 13px;
            font-weight: 600;
        }

        /* ========== 功能分组 ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .feature-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            transition: all var(--transition-speed);
        }
        .feature-card:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card-hover);
        }
        .feature-card .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
            background: rgba(245, 184, 46, 0.1);
            color: var(--color-accent-a);
            border: 1px solid rgba(245, 184, 46, 0.25);
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }
        .feature-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* ========== 使用场景 ========== */
        .scenario-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .scenario-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .scenario-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            padding: 18px 20px;
            transition: all var(--transition-speed);
        }
        .scenario-item:hover {
            border-color: var(--color-border-hover);
        }
        .scenario-item .scenario-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 14px;
            background: var(--color-accent-a);
            color: #180E1D;
            flex-shrink: 0;
        }
        .scenario-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .scenario-item p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }
        .scenario-img-wrapper {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
        }
        .scenario-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 360px;
        }

        /* ========== 界面预览 ========== */
        .preview-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .preview-card {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--color-border);
            background: var(--color-card);
        }
        .preview-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .preview-card:hover img {
            transform: scale(1.05);
        }
        .preview-card .preview-label {
            padding: 14px 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
        }

        /* ========== 实时数据 ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-speed);
        }
        .stat-card:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card-hover);
        }
        .stat-card .stat-value {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-accent-a);
            display: block;
            margin-bottom: 6px;
        }
        .stat-card .stat-name {
            font-size: 14px;
            color: var(--color-text-muted);
        }
        .stat-card .stat-trend {
            font-size: 12px;
            color: var(--color-accent-b);
            font-weight: 600;
        }

        /* ========== 成功案例 ========== */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .case-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-speed);
        }
        .case-card:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .case-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .case-card .case-body {
            padding: 20px 22px;
        }
        .case-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }
        .case-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* ========== 套餐价格 ========== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            align-items: stretch;
        }
        .pricing-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            text-align: center;
            transition: all var(--transition-speed);
            position: relative;
        }
        .pricing-card:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card-hover);
        }
        .pricing-card.featured {
            border-color: var(--color-accent-a);
            box-shadow: 0 0 40px rgba(245, 184, 46, 0.15);
        }
        .pricing-card .featured-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-accent-a);
            color: #180E1D;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 999px;
            white-space: nowrap;
        }
        .pricing-card .price-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text-muted);
            margin-bottom: 12px;
        }
        .pricing-card .price-amount {
            font-size: 36px;
            font-weight: 800;
            color: var(--color-accent-a);
            margin-bottom: 16px;
        }
        .pricing-card .price-amount span {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-muted);
        }
        .pricing-card .price-features {
            list-style: none;
            margin-bottom: 24px;
            text-align: left;
        }
        .pricing-card .price-features li {
            padding: 8px 0;
            font-size: 14px;
            color: var(--color-text-muted);
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .pricing-card .price-features li:last-child {
            border-bottom: none;
        }
        .pricing-card .price-features li i {
            color: var(--color-accent-b);
            font-size: 12px;
        }

        /* ========== 评价墙 ========== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .review-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 22px;
            transition: all var(--transition-speed);
        }
        .review-card:hover {
            border-color: var(--color-border-hover);
        }
        .review-card .review-stars {
            color: var(--color-accent-a);
            font-size: 14px;
            margin-bottom: 12px;
        }
        .review-card .review-text {
            font-size: 14px;
            color: var(--color-text);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .review-card .review-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .review-card .review-author .avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-accent-b);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            color: #180E1D;
        }
        .review-card .review-author .name {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text);
        }
        .review-card .review-author .date {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        /* ========== 口碑热帖 ========== */
        .post-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .post-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 16px 20px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            margin-bottom: 12px;
            transition: all var(--transition-speed);
        }
        .post-item:hover {
            border-color: var(--color-border-hover);
            transform: translateX(4px);
        }
        .post-item .post-rank {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-accent-a);
            width: 40px;
            text-align: center;
            flex-shrink: 0;
        }
        .post-item .post-info {
            flex: 1;
        }
        .post-item .post-info h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .post-item .post-info .post-meta {
            font-size: 12px;
            color: var(--color-text-muted);
        }
        .post-item .post-heat {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-warn);
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
        }

        /* ========== 资讯列表 ========== */
        .news-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .news-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-speed);
        }
        .news-card:hover {
            border-color: var(--color-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .news-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .news-card .news-body {
            padding: 18px 20px;
        }
        .news-card .news-date {
            font-size: 12px;
            color: var(--color-accent-b);
            font-weight: 600;
            margin-bottom: 6px;
        }
        .news-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .news-card p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* ========== 专题合辑 ========== */
        .collection-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr;
            gap: 20px;
        }
        .collection-feature {
            border-radius: var(--radius-card);
            overflow: hidden;
            position: relative;
            border: 1px solid var(--color-border);
            min-height: 320px;
        }
        .collection-feature img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }
        .collection-feature .collection-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 28px 24px;
            background: linear-gradient(to top, rgba(24, 14, 29, 0.95) 0%, transparent 100%);
        }
        .collection-feature h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .collection-feature p {
            font-size: 14px;
            color: var(--color-text-muted);
        }
        .collection-side {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .collection-side-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            padding: 16px 18px;
            display: flex;
            gap: 12px;
            align-items: center;
            transition: all var(--transition-speed);
        }
        .collection-side-item:hover {
            border-color: var(--color-border-hover);
        }
        .collection-side-item .cid-icon {
            font-size: 20px;
            color: var(--color-accent-a);
            flex-shrink: 0;
        }
        .collection-side-item h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 2px;
        }
        .collection-side-item p {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        /* ========== 五月日历 ========== */
        .calendar-wrapper {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
        }
        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            gap: 6px;
            margin-top: 16px;
        }
        .calendar-day {
            aspect-ratio: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid transparent;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-muted);
            transition: all var(--transition-speed);
            min-height: 56px;
        }
        .calendar-day:hover {
            border-color: var(--color-border-hover);
            color: var(--color-text);
        }
        .calendar-day.has-event {
            background: rgba(245, 184, 46, 0.12);
            border-color: rgba(245, 184, 46, 0.35);
            color: var(--color-accent-a);
            cursor: pointer;
        }
        .calendar-day.has-event:hover {
            background: rgba(245, 184, 46, 0.22);
        }
        .calendar-day .day-num {
            font-size: 16px;
            font-weight: 800;
        }
        .calendar-day .day-event {
            font-size: 10px;
            color: var(--color-warn);
            font-weight: 600;
        }
        .calendar-weekday {
            text-align: center;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-text-muted);
            padding: 4px 0;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            overflow: hidden;
            transition: all var(--transition-speed);
        }
        .faq-item:hover {
            border-color: var(--color-border-hover);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            color: var(--color-text);
            font-size: 16px;
            font-weight: 700;
            padding: 18px 22px;
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: color var(--transition-speed);
        }
        .faq-question:hover {
            color: var(--color-accent-a);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--color-accent-b);
            outline-offset: -2px;
        }
        .faq-question .faq-toggle {
            font-size: 16px;
            color: var(--color-accent-b);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer p {
            padding: 0 22px 18px;
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.8;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(145deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border-hover);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            left: 50%;
            transform: translateX(-50%);
            width: 80%;
            height: 60%;
            background: radial-gradient(ellipse, rgba(245, 184, 46, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section h3 {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 15px;
            color: var(--color-text-muted);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .cta-form input {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 12px 20px;
            color: var(--color-text);
            font-size: 15px;
            min-width: 280px;
            outline: none;
            transition: border-color var(--transition-speed);
        }
        .cta-form input:focus {
            border-color: var(--color-accent-b);
            box-shadow: 0 0 0 3px rgba(0, 224, 184, 0.15);
        }
        .cta-form input::placeholder {
            color: var(--color-text-muted);
        }

        /* ========== Footer ========== */
        .site-footer {
            background-color: var(--color-bg-alt);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--color-text-muted);
            padding: 6px 0;
            text-decoration: none;
            transition: color var(--transition-speed);
        }
        .footer-col a:hover {
            color: var(--color-accent-a);
        }
        .footer-col p {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }
        .footer-brand {
            font-size: 30px;
            font-weight: 800;
            color: var(--color-accent-a);
            margin-bottom: 12px;
            letter-spacing: 1px;
        }
        .footer-bottom {
            border-top: 1px solid var(--color-border);
            margin-top: 32px;
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: var(--color-text-muted);
        }

        /* ========== 图片 alt/通用 ========== */
        .img-rounded {
            border-radius: var(--radius-card);
        }
        .img-cover {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .text-accent-a {
            color: var(--color-accent-a);
        }
        .text-accent-b {
            color: var(--color-accent-b);
        }
        .text-muted {
            color: var(--color-text-muted);
        }
        .text-center {
            text-align: center;
        }
        .mb-0 { margin-bottom: 0; }
        .mb-8 { margin-bottom: 8px; }
        .mb-16 { margin-bottom: 16px; }
        .mb-24 { margin-bottom: 24px; }
        .mb-32 { margin-bottom: 32px; }
        .gap-12 { gap: 12px; }
        .flex-wrap { flex-wrap: wrap; }
        .d-flex { display: flex; }
        .align-center { align-items: center; }
        .justify-between { justify-content: space-between; }

        /* ========== 响应式 ========== */
        @media screen and (max-width: 1024px) {
            :root {
                --section-padding: 48px;
            }
            .hero-title { font-size: 32px; }
            .hero-inner { grid-template-columns: 1fr; gap: 32px; }
            .channel-entry-grid { grid-template-columns: repeat(3, 1fr); }
            .feature-grid { grid-template-columns: repeat(2, 1fr); }
            .preview-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .review-grid { grid-template-columns: repeat(2, 1fr); }
            .news-list { grid-template-columns: repeat(2, 1fr); }
            .pricing-grid { grid-template-columns: repeat(2, 1fr); }
            .collection-grid { grid-template-columns: 1fr; }
            .scenario-layout { grid-template-columns: 1fr; }
            .scenario-img-wrapper img { min-height: 240px; }
            .case-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media screen and (max-width: 768px) {
            .section-block { padding: 40px 0; }
            .hero-section { min-height: auto; padding: 48px 0; }
            .hero-title { font-size: 28px; line-height: 1.4; }
            .hero-desc { font-size: 15px; }
            .brand-actions .brand-search { display: none; }
            .brand-actions .btn { display: none; }
            .hamburger-btn { display: block; }
            .mobile-menu { display: block; }
            .channel-entry-grid { grid-template-columns: repeat(2, 1fr); }
            .feature-grid { grid-template-columns: 1fr; }
            .preview-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .review-grid { grid-template-columns: 1fr; }
            .news-list { grid-template-columns: 1fr; }
            .pricing-grid { grid-template-columns: 1fr; }
            .post-item { flex-direction: column; align-items: flex-start; gap: 8px; }
            .post-item .post-rank { width: auto; font-size: 18px; }
            .calendar-grid { gap: 4px; }
            .calendar-day { min-height: 40px; font-size: 12px; }
            .calendar-day .day-num { font-size: 14px; }
            .cta-section { padding: 32px 20px; }
            .cta-form input { min-width: 100%; }
            .footer-grid { grid-template-columns: 1fr; }
            .hero-cta { flex-direction: column; }
            .hero-cta .btn { width: 100%; }
        }

        @media screen and (max-width: 520px) {
            .container-custom { padding: 0 16px; }
            .brand-row { padding: 0 16px; }
            .channel-row { padding: 0 16px; }
            .hero-title { font-size: 24px; }
            .section-title { font-size: 22px; }
            .channel-entry-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .stat-card .stat-value { font-size: 24px; }
            .pricing-card .price-amount { font-size: 28px; }
            .collection-feature { min-height: 200px; }
            .collection-feature img { min-height: 200px; }
        }

/* roulang page: index */
:root {
            --color-deep: #1B211E;
            --color-deep-2: #1D2B26;
            --color-card-deep: #252F2B;
            --color-card-deep-2: #2A332F;
            --color-accent: #E94F5A;
            --color-accent-hover: #C93B46;
            --color-lime: #D9E36B;
            --color-gold: #F2B84B;
            --color-bg-light: #F7F3EC;
            --color-bg-light-alt: #F9F6F0;
            --color-text-light: #FAF7F2;
            --color-text-muted-light: #C8D0CC;
            --color-text-dark: #1F2925;
            --color-text-muted-dark: #5C6662;
            --color-border-light: #EDE8E0;
            --color-border-dark: rgba(255,255,255,0.06);
            --radius-lg: 12px;
            --radius-sm: 6px;
            --shadow-light: 0 2px 12px rgba(0,0,0,0.06);
            --shadow-dark: 0 8px 24px rgba(0,0,0,0.25);
            --font-base: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --max-width: 1200px;
            --section-pad-desktop: 80px;
            --section-pad-mobile: 48px;
        }

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

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

        body {
            font-family: var(--font-base);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--color-text-dark);
            background: var(--color-bg-light);
            margin: 0;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease, opacity 0.25s ease;
        }

        a:hover {
            text-decoration: none;
        }

        button {
            font-family: var(--font-base);
            cursor: pointer;
            border: none;
            outline: none;
        }

        input,
        textarea,
        select {
            font-family: var(--font-base);
            outline: none;
        }

        .container-site {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (max-width: 640px) {
            .container-site {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* Section base */
        .section-pad {
            padding-top: var(--section-pad-desktop);
            padding-bottom: var(--section-pad-desktop);
        }

        @media (max-width: 640px) {
            .section-pad {
                padding-top: var(--section-pad-mobile);
                padding-bottom: var(--section-pad-mobile);
            }
        }

        .section-dark {
            background: var(--color-deep);
            color: var(--color-text-light);
        }

        .section-light {
            background: var(--color-bg-light);
            color: var(--color-text-dark);
        }

        .section-dark-alt {
            background: var(--color-deep-2);
            color: var(--color-text-light);
        }

        .section-light-alt {
            background: var(--color-bg-light-alt);
            color: var(--color-text-dark);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--color-lime);
            margin-bottom: 14px;
            text-transform: none;
        }

        .section-light .section-label,
        .section-light-alt .section-label {
            color: var(--color-accent);
        }

        .section-label::before {
            content: '';
            display: inline-block;
            width: 24px;
            height: 2px;
            background: currentColor;
            border-radius: 1px;
        }

        .section-title {
            font-size: clamp(24px, 3.4vw, 36px);
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
            color: inherit;
        }

        .section-sub {
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--color-text-muted-dark);
            max-width: 720px;
            margin-bottom: 36px;
        }

        .section-dark .section-sub,
        .section-dark-alt .section-sub {
            color: var(--color-text-muted-light);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: background-color 0.3s ease, transform 0.15s ease, box-shadow 0.3s ease, border-color 0.3s ease, color 0.3s ease;
            white-space: nowrap;
            border: 1px solid transparent;
            line-height: 1.4;
        }

        .btn:focus {
            outline: none;
        }

        .btn:focus-visible {
            box-shadow: 0 0 0 2px rgba(233,79,90,0.4);
        }

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

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

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

        .btn-outline-light {
            background: transparent;
            color: var(--color-text-light);
            border: 1px solid rgba(250,247,242,0.55);
        }

        .btn-outline-light:hover {
            background: rgba(250,247,242,0.1);
            border-color: var(--color-text-light);
            color: var(--color-text-light);
        }

        .btn-outline-dark {
            background: transparent;
            color: var(--color-text-dark);
            border: 1px solid rgba(31,41,37,0.3);
        }

        .btn-outline-dark:hover {
            background: rgba(31,41,37,0.06);
            border-color: var(--color-text-dark);
            color: var(--color-text-dark);
        }

        .btn-lime {
            background: var(--color-lime);
            color: var(--color-deep);
            border-color: var(--color-lime);
        }

        .btn-lime:hover {
            background: #c8d45a;
            border-color: #c8d45a;
            color: var(--color-deep);
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--color-deep);
            border-bottom: 1px solid rgba(255,255,255,0.07);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 20px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-text-light);
            white-space: nowrap;
        }

        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-gold));
            color: #fff;
            font-size: 1.1rem;
        }

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

        .brand-search {
            display: inline-flex;
            align-items: center;
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: 6px;
            padding: 8px 14px;
            color: var(--color-text-muted-light);
            font-size: 0.95rem;
            cursor: pointer;
            transition: border-color 0.25s, background 0.25s, color 0.25s;
            gap: 8px;
        }

        .brand-search:hover {
            border-color: rgba(255,255,255,0.3);
            background: rgba(255,255,255,0.1);
            color: var(--color-text-light);
        }

        .brand-login {
            background: none;
            color: var(--color-text-muted-light);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 6px;
            transition: color 0.25s, background 0.25s;
        }

        .brand-login:hover {
            color: var(--color-text-light);
            background: rgba(255,255,255,0.06);
        }

        .brand-cta {
            background: var(--color-accent);
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            padding: 9px 18px;
            border-radius: 6px;
            transition: background 0.3s, transform 0.15s;
        }

        .brand-cta:hover {
            background: var(--color-accent-hover);
        }

        .brand-cta:active {
            transform: scale(0.97);
        }

        .mobile-toggle {
            display: none;
            background: none;
            color: var(--color-text-light);
            font-size: 1.5rem;
            padding: 4px;
            border-radius: 4px;
            border: none;
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: inline-block;
            }
            .brand-search,
            .brand-login {
                display: none;
            }
        }

        .channel-row {
            border-top: 1px solid rgba(255,255,255,0.07);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .channel-row::-webkit-scrollbar {
            display: none;
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 0;
            margin: 0;
            list-style: none;
            min-width: max-content;
        }

        .channel-nav li {
            flex-shrink: 0;
        }

        .channel-nav a {
            display: block;
            padding: 13px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-muted-light);
            border-bottom: 2px solid transparent;
            transition: color 0.25s, background 0.25s, border-color 0.25s;
            border-radius: 4px 4px 0 0;
        }

        .channel-nav a:hover {
            color: var(--color-text-light);
            background: rgba(255,255,255,0.04);
        }

        .channel-nav a.active {
            color: var(--color-text-light);
            background: var(--color-accent);
            border-bottom-color: var(--color-accent);
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            background: var(--color-deep);
            color: var(--color-text-light);
            overflow: hidden;
            padding: 64px 0 80px;
        }

        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/b78709c4bc3ad241.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 1;
        }

        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(27,33,30,0.92) 0%, rgba(27,33,30,0.7) 50%, rgba(27,33,30,0.55) 100%);
            z-index: 2;
        }

        .hero-content-wrap {
            position: relative;
            z-index: 3;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        @media (max-width: 900px) {
            .hero-content-wrap {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        .hero-text {
            max-width: 580px;
        }

        .hero-text .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(217,227,107,0.15);
            color: var(--color-lime);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 7px 16px;
            border-radius: 20px;
            margin-bottom: 18px;
            border: 1px solid rgba(217,227,107,0.25);
        }

        .hero-text h1 {
            font-size: clamp(30px, 5vw, 52px);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--color-text-light);
        }

        .hero-text h1 .highlight {
            color: var(--color-accent);
            display: block;
        }

        .hero-text .hero-desc {
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--color-text-muted-light);
            margin-bottom: 28px;
            max-width: 520px;
        }

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

        .hero-visual {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-card-panel {
            background: rgba(37,47,43,0.85);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            width: 100%;
            max-width: 440px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: var(--shadow-dark);
        }

        .hero-card-panel .hc-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-lime);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-card-panel .hc-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }

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

        .hero-card-panel .hc-label {
            font-size: 0.9rem;
            color: var(--color-text-muted-light);
        }

        .hero-card-panel .hc-value {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-text-light);
        }

        .hero-card-panel .hc-value.accent {
            color: var(--color-accent);
        }

        .hero-card-panel .hc-progress {
            margin-top: 16px;
            height: 6px;
            background: rgba(255,255,255,0.08);
            border-radius: 3px;
            overflow: hidden;
        }

        .hero-card-panel .hc-progress .bar {
            height: 100%;
            background: linear-gradient(90deg, var(--color-accent), var(--color-gold));
            border-radius: 3px;
            width: 78%;
        }

        /* Stats bar */
        .stats-section {
            background: linear-gradient(135deg, var(--color-deep-2) 0%, #253530 100%);
            color: var(--color-text-light);
            padding: 28px 0;
            border-top: 1px solid rgba(255,255,255,0.05);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }

        .stat-item {
            text-align: center;
            padding: 12px;
        }

        .stat-item .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-lime);
            line-height: 1.2;
        }

        .stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-muted-light);
            margin-top: 4px;
        }

        /* Cards */
        .card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .card-light {
            background: #fff;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-light);
        }

        .card-light:hover {
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        .card-dark {
            background: var(--color-card-deep);
            border: 1px solid var(--color-border-dark);
            box-shadow: var(--shadow-dark);
            color: var(--color-text-light);
        }

        .card-dark:hover {
            box-shadow: 0 14px 38px rgba(0,0,0,0.35);
        }

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

        .card-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: inherit;
        }

        .card-text {
            font-size: 0.95rem;
            line-height: 1.7;
            color: var(--color-text-muted-dark);
            flex: 1;
        }

        .card-dark .card-text {
            color: var(--color-text-muted-light);
        }

        .card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 10px;
            margin-bottom: 14px;
            font-size: 1.3rem;
            background: rgba(233,79,90,0.12);
            color: var(--color-accent);
            flex-shrink: 0;
        }

        .card-dark .card-icon {
            background: rgba(217,227,107,0.15);
            color: var(--color-lime);
        }

        /* Feature cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }

        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Scenario section */
        .scenario-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        @media (max-width: 900px) {
            .scenario-wrap {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        .scenario-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .scenario-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 16px 18px;
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 10px;
            transition: background 0.3s, border-color 0.3s;
        }

        .scenario-item:hover {
            background: rgba(255,255,255,0.08);
            border-color: rgba(255,255,255,0.15);
        }

        .scenario-item .si-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            flex-shrink: 0;
            border-radius: 8px;
            background: rgba(217,227,107,0.15);
            color: var(--color-lime);
            font-size: 1.1rem;
        }

        .scenario-item .si-title {
            font-weight: 600;
            color: var(--color-text-light);
            font-size: 1rem;
            margin-bottom: 4px;
        }

        .scenario-item .si-text {
            font-size: 0.9rem;
            color: var(--color-text-muted-light);
            line-height: 1.6;
        }

        .scenario-image img {
            border-radius: var(--radius-lg);
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        /* Demo/Screenshot */
        .demo-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        @media (max-width: 900px) {
            .demo-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .demo-grid {
                grid-template-columns: 1fr;
            }
        }

        .demo-card {
            background: #fff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-light);
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .demo-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        .demo-card img {
            width: 100%;
            height: 210px;
            object-fit: cover;
        }

        .demo-card .demo-caption {
            padding: 16px 18px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-dark);
        }

        /* Case cards */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        @media (max-width: 900px) {
            .case-grid {
                grid-template-columns: 1fr;
            }
        }

        .case-card {
            display: flex;
            flex-direction: column;
            background: var(--color-card-deep);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 14px 38px rgba(0,0,0,0.35);
        }

        .case-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }

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

        .case-card .case-name {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-text-light);
            margin-bottom: 8px;
        }

        .case-card .case-result {
            font-size: 0.95rem;
            color: var(--color-text-muted-light);
            margin-bottom: 12px;
        }

        .case-card .case-metric {
            display: inline-block;
            background: rgba(217,227,107,0.15);
            color: var(--color-lime);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
        }

        /* Category entry */
        .category-entry-grid {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            padding-bottom: 8px;
        }

        .category-entry-grid::-webkit-scrollbar {
            display: none;
        }

        .category-entry-card {
            flex: 0 0 auto;
            width: 240px;
            background: #fff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: 20px 18px;
            box-shadow: var(--shadow-light);
            transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
        }

        .category-entry-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            border-color: rgba(233,79,90,0.3);
        }

        .category-entry-card .ce-icon {
            font-size: 1.5rem;
            color: var(--color-accent);
            margin-bottom: 12px;
        }

        .category-entry-card .ce-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-dark);
            margin-bottom: 6px;
        }

        .category-entry-card .ce-desc {
            font-size: 0.85rem;
            color: var(--color-text-muted-dark);
            line-height: 1.6;
        }

        /* Pricing */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }

        @media (max-width: 900px) {
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 480px;
                margin: 0 auto;
            }
        }

        .pricing-card {
            background: var(--color-card-deep);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
        }

        .pricing-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 14px 38px rgba(0,0,0,0.35);
        }

        .pricing-card.featured {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 1px var(--color-accent), 0 14px 38px rgba(0,0,0,0.35);
            position: relative;
        }

        .pricing-card .pc-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-accent);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 16px;
            border-radius: 20px;
            white-space: nowrap;
        }

        .pricing-card .pc-name {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--color-text-light);
            margin-bottom: 8px;
        }

        .pricing-card .pc-price {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-lime);
            margin-bottom: 4px;
        }

        .pricing-card .pc-per {
            font-size: 0.85rem;
            color: var(--color-text-muted-light);
            margin-bottom: 18px;
        }

        .pricing-card .pc-features {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            flex: 1;
        }

        .pricing-card .pc-features li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--color-text-muted-light);
            padding: 6px 0;
            line-height: 1.5;
        }

        .pricing-card .pc-features li i {
            color: var(--color-lime);
            font-size: 0.9rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

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

        @media (max-width: 900px) {
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .review-grid {
                grid-template-columns: 1fr;
            }
        }

        .review-card {
            background: #fff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: 20px 22px;
            box-shadow: var(--shadow-light);
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .review-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        .review-card .stars {
            color: var(--color-gold);
            font-size: 0.9rem;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }

        .review-card .review-text {
            font-size: 0.95rem;
            color: var(--color-text-dark);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .review-card .review-author {
            font-size: 0.85rem;
            color: var(--color-text-muted-dark);
            font-weight: 500;
        }

        /* Testimonial */
        .testimonial-wrap {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: center;
        }

        @media (max-width: 900px) {
            .testimonial-wrap {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        .testimonial-quote {
            background: var(--color-card-deep);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            position: relative;
        }

        .testimonial-quote::before {
            content: '\201C';
            position: absolute;
            top: 10px;
            left: 18px;
            font-size: 4rem;
            color: rgba(217,227,107,0.2);
            line-height: 1;
        }

        .testimonial-quote .tq-text {
            font-size: 1.15rem;
            line-height: 1.8;
            color: var(--color-text-light);
            font-weight: 500;
            margin-bottom: 18px;
            position: relative;
            z-index: 1;
        }

        .testimonial-quote .tq-author {
            font-size: 0.95rem;
            color: var(--color-lime);
            font-weight: 600;
        }

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

        @media (max-width: 900px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }

        .news-card {
            background: #fff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-light);
            transition: transform 0.3s, box-shadow 0.3s;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        .news-card img {
            width: 100%;
            height: 190px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .news-card .news-body {
            padding: 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card .news-tag {
            display: inline-block;
            background: var(--color-lime);
            color: var(--color-deep);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 14px;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .news-card .news-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-dark);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .news-card .news-meta {
            font-size: 0.8rem;
            color: var(--color-text-muted-dark);
            margin-top: auto;
        }

        /* Timeline */
        .timeline-list {
            position: relative;
            padding-left: 30px;
        }

        .timeline-list::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }

        .timeline-item {
            position: relative;
            padding-bottom: 24px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -30px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--color-accent);
            border: 2px solid var(--color-deep);
        }

        .timeline-item .tl-date {
            font-size: 0.85rem;
            color: var(--color-lime);
            font-weight: 600;
            margin-bottom: 4px;
        }

        .timeline-item .tl-ver {
            font-size: 0.8rem;
            color: var(--color-text-muted-light);
            margin-left: 8px;
        }

        .timeline-item .tl-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-light);
            margin-bottom: 6px;
        }

        .timeline-item .tl-desc {
            font-size: 0.9rem;
            color: var(--color-text-muted-light);
            line-height: 1.6;
        }

        /* Partners */
        .partners-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            justify-content: center;
            align-items: center;
        }

        .partner-item {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 22px;
            background: #fff;
            border: 1px solid var(--color-border-light);
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text-muted-dark);
            transition: border-color 0.3s, color 0.3s, transform 0.3s;
            min-width: 120px;
        }

        .partner-item:hover {
            border-color: rgba(233,79,90,0.4);
            color: var(--color-accent);
            transform: translateY(-2px);
        }

        /* Community */
        .community-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        @media (max-width: 900px) {
            .community-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .community-grid {
                grid-template-columns: 1fr;
            }
        }

        .community-card {
            background: var(--color-card-deep);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .community-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 14px 38px rgba(0,0,0,0.35);
        }

        .community-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .community-card .cc-body {
            padding: 14px 16px;
        }

        .community-card .cc-author {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text-light);
            margin-bottom: 4px;
        }

        .community-card .cc-likes {
            font-size: 0.8rem;
            color: var(--color-lime);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* FAQ */
        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border-light);
            border-radius: 10px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow 0.3s, border-color 0.3s;
        }

        .faq-item:hover {
            box-shadow: 0 4px 16px rgba(0,0,0,0.08);
            border-color: rgba(233,79,90,0.2);
        }

        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            color: var(--color-text-dark);
            font-size: 0.95rem;
            gap: 12px;
            user-select: none;
            background: #fff;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-item .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(233,79,90,0.1);
            color: var(--color-accent);
            font-size: 0.9rem;
            transition: transform 0.3s;
        }

        .faq-item .faq-answer {
            padding: 0 20px 18px;
            font-size: 0.9rem;
            color: var(--color-text-muted-dark);
            line-height: 1.7;
            border-left: 3px solid var(--color-accent);
            margin-left: 20px;
            padding-left: 14px;
            display: none;
        }

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

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--color-deep) 0%, #2a3a32 100%);
            color: var(--color-text-light);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(233,79,90,0.25) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(217,227,107,0.2) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-content .cta-title {
            font-size: clamp(26px, 3.5vw, 38px);
            font-weight: 700;
            margin-bottom: 16px;
        }

        .cta-content .cta-sub {
            font-size: 1.05rem;
            color: var(--color-text-muted-light);
            margin-bottom: 28px;
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background: var(--color-deep);
            color: var(--color-text-light);
            border-top: 1px solid rgba(255,255,255,0.07);
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 36px;
            padding-bottom: 36px;
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        .footer-brand .fb-logo {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand .fb-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 7px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-gold));
            color: #fff;
            font-size: 0.95rem;
        }

        .footer-brand .fb-desc {
            font-size: 0.9rem;
            color: var(--color-text-muted-light);
            line-height: 1.7;
            max-width: 260px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-lime);
            margin-bottom: 14px;
        }

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

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: var(--color-text-muted-light);
            font-size: 0.9rem;
            transition: color 0.25s, padding-left 0.25s;
        }

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

        .footer-subscribe .fs-input {
            display: flex;
            gap: 8px;
            margin-top: 12px;
        }

        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border-radius: 6px;
            border: 1px solid rgba(255,255,255,0.15);
            background: rgba(255,255,255,0.06);
            color: var(--color-text-light);
            font-size: 0.9rem;
            transition: border-color 0.3s, background 0.3s;
            min-width: 0;
        }

        .footer-subscribe input::placeholder {
            color: rgba(200,208,204,0.6);
        }

        .footer-subscribe input:focus {
            border-color: var(--color-lime);
            background: rgba(255,255,255,0.1);
            outline: none;
        }

        .footer-subscribe button {
            padding: 10px 16px;
            border-radius: 6px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: background 0.3s;
            white-space: nowrap;
        }

        .footer-subscribe button:hover {
            background: var(--color-accent-hover);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.07);
            padding: 18px 0;
            text-align: center;
            font-size: 0.85rem;
            color: var(--color-text-muted-light);
        }

        /* Responsive extra */
        @media (max-width: 640px) {
            .hero-section {
                min-height: auto;
                padding: 40px 0 56px;
            }
            .hero-content-wrap {
                gap: 24px;
            }
            .hero-text h1 {
                font-size: clamp(26px, 7vw, 36px);
            }
            .section-title {
                font-size: clamp(20px, 6vw, 28px);
            }
            .btn {
                padding: 11px 20px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
            .hero-btns .btn {
                width: auto;
            }
            .pricing-card .btn {
                width: 100%;
            }
            .footer-subscribe .fs-input {
                flex-direction: column;
            }
            .footer-subscribe button {
                width: 100%;
            }
        }

        @media (min-width: 641px) and (max-width: 1024px) {
            .btn {
                padding: 12px 22px;
                font-size: 0.95rem;
            }
            .hero-section {
                min-height: 480px;
            }
        }

/* roulang page: category1 */
:root {
            --color-deep: #1B211E;
            --color-deep-2: #1D2B26;
            --color-card-deep: #252F2B;
            --color-card-deep-2: #2A332F;
            --color-accent: #E94F5A;
            --color-accent-hover: #C93B46;
            --color-lime: #D9E36B;
            --color-gold: #F2B84B;
            --color-bg-light: #F7F3EC;
            --color-bg-light-alt: #F9F6F0;
            --color-text-light: #FAF7F2;
            --color-text-muted-light: #C8D0CC;
            --color-text-dark: #1F2925;
            --color-text-muted-dark: #5C6662;
            --color-border-light: #EDE8E0;
            --color-border-dark: rgba(255,255,255,0.06);
            --radius-lg: 12px;
            --radius-sm: 6px;
            --shadow-light: 0 2px 12px rgba(0,0,0,0.06);
            --shadow-dark: 0 8px 24px rgba(0,0,0,0.25);
            --font-base: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --max-width: 1200px;
            --section-pad-desktop: 80px;
            --section-pad-mobile: 48px;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-base);
            background: var(--color-bg-light);
            color: var(--color-text-dark);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            display: block;
            height: auto;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease, opacity 0.25s ease;
        }
        a:hover {
            color: var(--color-accent);
        }
        button, input, select, textarea {
            font-family: var(--font-base);
        }
        .container-site {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--color-deep);
            box-shadow: 0 4px 16px rgba(0,0,0,0.25);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            padding: 0 20px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: var(--color-text-light);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            font-weight: 900;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .brand-actions .search-icon,
        .brand-actions .user-icon {
            color: var(--color-text-muted-light);
            font-size: 18px;
            cursor: pointer;
            transition: color 0.2s;
        }
        .brand-actions .search-icon:hover,
        .brand-actions .user-icon:hover {
            color: var(--color-accent);
        }
        .btn-sm {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
            background: var(--color-accent);
            color: #fff;
            line-height: 1.2;
        }
        .btn-sm:hover {
            background: var(--color-accent-hover);
            color: #fff;
        }
        .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(255,255,255,0.4);
            color: var(--color-text-light);
        }
        .btn-outline-light:hover {
            background: rgba(255,255,255,0.1);
            border-color: rgba(255,255,255,0.7);
            color: #fff;
        }
        .channel-nav {
            list-style: none;
            display: flex;
            gap: 6px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px 12px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .channel-nav::-webkit-scrollbar {
            display: none;
        }
        .channel-nav li {
            flex: 0 0 auto;
        }
        .channel-nav a {
            display: block;
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-muted-light);
            border-radius: 20px;
            background: transparent;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .channel-nav a:hover {
            background: rgba(255,255,255,0.08);
            color: #fff;
        }
        .channel-nav a.active {
            background: var(--color-accent);
            color: #fff;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-text-light);
            font-size: 24px;
            cursor: pointer;
        }
        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: background 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
            text-decoration: none;
            line-height: 1.4;
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            color: #fff;
        }
        .btn-primary:focus-visible {
            outline: 2px solid rgba(233,79,90,0.5);
            outline-offset: 2px;
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255,255,255,0.4);
            cursor: pointer;
            transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.1s ease;
            text-decoration: none;
            line-height: 1.4;
        }
        .btn-secondary:hover {
            background: rgba(255,255,255,0.1);
            border-color: #fff;
            color: #fff;
        }
        .btn-secondary:focus-visible {
            outline: 2px solid rgba(255,255,255,0.4);
            outline-offset: 2px;
        }
        .btn-secondary:active {
            transform: scale(0.98);
        }
        /* Category Hero */
        .cat-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(27,33,30,0.9) 0%, rgba(29,43,38,0.85) 100%), url('/assets/images/b78709c4bc3ad241.webp') center/cover no-repeat;
            padding: 48px 0;
            min-height: 240px;
            max-height: 360px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .cat-hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, rgba(0,0,0,0.35), transparent);
        }
        .cat-hero .container-site {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-muted-light);
            margin-bottom: 12px;
        }
        .breadcrumb a {
            color: var(--color-text-muted-light);
            transition: color 0.2s;
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .sep {
            opacity: 0.6;
        }
        .cat-hero h1 {
            font-size: clamp(30px, 5vw, 44px);
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 12px;
        }
        .cat-hero .cat-desc {
            font-size: 17px;
            color: var(--color-text-muted-light);
            max-width: 700px;
            line-height: 1.6;
        }
        .cat-tag {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        /* Stats Filter Bar */
        .stats-section {
            background: var(--color-bg-light);
            padding: 28px 0;
            border-bottom: 1px solid var(--color-border-light);
        }
        .stats-flex {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .stats-group {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }
        .stat-item {
            text-align: left;
        }
        .stat-item .stat-num {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-text-dark);
            line-height: 1;
        }
        .stat-item .stat-label {
            font-size: 13px;
            color: var(--color-text-muted-dark);
            margin-top: 4px;
        }
        .filter-btns {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .filter-btn {
            background: #fff;
            border: 1px solid var(--color-border-light);
            color: var(--color-text-dark);
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            border-radius: 20px;
            cursor: pointer;
            transition: all 0.2s;
            text-decoration: none;
        }
        .filter-btn:hover,
        .filter-btn.active {
            background: var(--color-deep);
            color: #fff;
            border-color: var(--color-deep);
        }
        /* List Cards */
        .list-section {
            background: #fff;
            padding: var(--section-pad-desktop);
        }
        .section-heading {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 36px;
            flex-wrap: wrap;
            gap: 16px;
        }
        .section-title {
            font-size: clamp(24px, 3.4vw, 36px);
            font-weight: 800;
            color: var(--color-text-dark);
            line-height: 1.2;
            position: relative;
            padding-left: 18px;
        }
        .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0.2em;
            bottom: 0.2em;
            width: 4px;
            background: var(--color-accent);
            border-radius: 4px;
        }
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .post-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-light);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            display: flex;
            flex-direction: column;
        }
        .post-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(0,0,0,0.12);
        }
        .post-card-img {
            position: relative;
            aspect-ratio: 4 / 3;
            overflow: hidden;
        }
        .post-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .post-card:hover .post-card-img img {
            transform: scale(1.04);
        }
        .post-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-lime);
            color: #1B211E;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 4px;
            letter-spacing: 0.3px;
        }
        .post-card-body {
            padding: 18px 18px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .post-card-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }
        .post-tag {
            background: #F0EAE2;
            color: var(--color-text-dark);
            font-size: 12px;
            padding: 2px 10px;
            border-radius: 12px;
            font-weight: 500;
        }
        .post-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .post-card-excerpt {
            font-size: 14px;
            color: var(--color-text-muted-dark);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }
        .post-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--color-text-muted-dark);
            border-top: 1px solid var(--color-border-light);
            padding-top: 10px;
        }
        .post-card-date i {
            margin-right: 4px;
            color: var(--color-accent);
        }
        .load-more-wrap {
            text-align: center;
            margin-top: 36px;
        }
        /* Featured Section */
        .featured-section {
            background: var(--color-deep);
            padding: var(--section-pad-desktop);
        }
        .featured-section .section-title {
            color: #fff;
        }
        .featured-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 12px;
            scrollbar-width: thin;
            scrollbar-color: rgba(255,255,255,0.3) transparent;
        }
        .featured-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .featured-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .featured-scroll::-webkit-scrollbar-thumb {
            background: rgba(255,255,255,0.3);
            border-radius: 10px;
        }
        .featured-card {
            flex: 0 0 320px;
            background: var(--color-card-deep);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-dark);
            box-shadow: var(--shadow-dark);
            transition: transform 0.25s ease, border-color 0.25s ease;
        }
        .featured-card:hover {
            transform: translateY(-3px);
            border-color: rgba(233,79,90,0.4);
        }
        .featured-card-img {
            height: 180px;
            overflow: hidden;
        }
        .featured-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .featured-card:hover .featured-card-img img {
            transform: scale(1.03);
        }
        .featured-card-body {
            padding: 16px 18px 18px;
        }
        .featured-card-title {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .featured-card-desc {
            font-size: 14px;
            color: var(--color-text-muted-light);
        }
        /* Related Channels */
        .related-section {
            background: var(--color-bg-light);
            padding: var(--section-pad-desktop);
        }
        .channel-cards {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding-bottom: 8px;
            scrollbar-width: none;
        }
        .channel-cards::-webkit-scrollbar {
            display: none;
        }
        .channel-card {
            flex: 0 0 auto;
            background: #fff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: 18px 22px;
            min-width: 140px;
            text-align: center;
            box-shadow: var(--shadow-light);
            transition: transform 0.2s ease, border-color 0.2s ease;
            cursor: pointer;
        }
        .channel-card:hover {
            transform: translateY(-3px);
            border-color: var(--color-accent);
        }
        .channel-card i {
            font-size: 24px;
            color: var(--color-accent);
            margin-bottom: 8px;
        }
        .channel-card .cc-title {
            font-weight: 700;
            color: var(--color-text-dark);
            font-size: 16px;
        }
        /* Subscribe CTA */
        .subscribe-section {
            background: var(--color-deep);
            padding: 56px 0;
        }
        .subscribe-inner {
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .subscribe-title {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .subscribe-sub {
            color: var(--color-text-muted-light);
            margin-bottom: 28px;
            font-size: 16px;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 240px;
            max-width: 400px;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            color: #fff;
            font-size: 16px;
            transition: border-color 0.2s;
        }
        .subscribe-form input[type="email"]::placeholder {
            color: rgba(255,255,255,0.5);
        }
        .subscribe-form input[type="email"]:focus {
            outline: none;
            border-color: var(--color-lime);
        }
        /* FAQ */
        .faq-section {
            background: var(--color-bg-light);
            padding: var(--section-pad-desktop);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-light);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            font-weight: 700;
            color: var(--color-text-dark);
            cursor: pointer;
            transition: background 0.2s;
            background: #fff;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 16px;
        }
        .faq-question:hover {
            background: #faf7f2;
        }
        .faq-question i {
            color: var(--color-accent);
            transition: transform 0.3s;
        }
        .faq-answer {
            display: none;
            padding: 0 20px 18px;
            color: var(--color-text-muted-dark);
            font-size: 15px;
            line-height: 1.7;
            border-left: 3px solid var(--color-accent);
            margin-left: 20px;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(45deg);
        }
        /* Footer */
        .site-footer {
            background: var(--color-deep);
            color: var(--color-text-muted-light);
            padding: 48px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .fb-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .fb-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
        }
        .fb-desc {
            font-size: 14px;
            color: var(--color-text-muted-light);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--color-text-muted-light);
            font-size: 14px;
            transition: color 0.2s;
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-subscribe p {
            font-size: 14px;
            color: var(--color-text-muted-light);
            margin-bottom: 12px;
        }
        .fs-input {
            display: flex;
            gap: 8px;
        }
        .fs-input input {
            flex: 1;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            color: #fff;
            font-size: 14px;
            transition: border-color 0.2s;
        }
        .fs-input input::placeholder {
            color: rgba(255,255,255,0.5);
        }
        .fs-input input:focus {
            outline: none;
            border-color: var(--color-lime);
        }
        .fs-input button {
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 8px 16px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s;
        }
        .fs-input button:hover {
            background: var(--color-accent-hover);
        }
        .footer-bottom {
            padding: 18px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255,255,255,0.4);
            border-top: 1px solid rgba(255,255,255,0.06);
            margin-top: 24px;
        }
        /* Responsive */
        @media screen and (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media screen and (max-width: 768px) {
            .brand-row {
                padding: 0 15px;
            }
            .logo {
                font-size: 18px;
            }
            .brand-actions .btn-sm {
                padding: 6px 12px;
                font-size: 13px;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .channel-nav {
                padding: 0 15px 12px;
            }
            .cat-hero {
                padding: 32px 0;
                min-height: auto;
            }
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .section-heading {
                flex-direction: column;
                align-items: flex-start;
            }
            .stats-flex {
                flex-direction: column;
                align-items: flex-start;
            }
            .subscribe-form {
                flex-direction: column;
                align-items: center;
            }
            .subscribe-form input[type="email"] {
                max-width: 100%;
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .featured-card {
                flex: 0 0 260px;
            }
        }
        @media screen and (max-width: 520px) {
            .brand-row {
                height: 56px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
            .channel-nav a {
                padding: 6px 14px;
                font-size: 13px;
            }
            .cat-hero h1 {
                font-size: 28px;
            }
            .cat-desc {
                font-size: 15px;
            }
            .post-card-title {
                font-size: 17px;
            }
            .btn-primary, .btn-secondary {
                padding: 10px 22px;
                font-size: 15px;
            }
        }