/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #0b0f2a;
            --primary-light: #131945;
            --secondary: #1a2150;
            --accent: #f0b90b;
            --accent-hover: #d4a409;
            --accent-soft: rgba(240, 185, 11, 0.12);
            --bg-body: #070a1a;
            --bg-card: rgba(19, 25, 69, 0.85);
            --bg-card-hover: rgba(26, 33, 80, 0.95);
            --text-main: #f0f2f8;
            --text-muted: #9aa3c2;
            --text-accent: #f0b90b;
            --border-color: rgba(240, 185, 11, 0.18);
            --border-light: rgba(255, 255, 255, 0.06);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 56px rgba(0, 0, 0, 0.6);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-top-height: 64px;
            --header-nav-height: 52px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.65;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--text-accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent-hover);
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 4px;
            border-radius: 4px;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            background: none;
            color: inherit;
            outline: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-main);
        }
        h1 {
            font-size: clamp(2.2rem, 6vw, 3.8rem);
        }
        h2 {
            font-size: clamp(1.6rem, 4vw, 2.6rem);
        }
        h3 {
            font-size: clamp(1.2rem, 2.5vw, 1.6rem);
        }
        p {
            margin-bottom: 1rem;
            color: var(--text-muted);
        }
        strong {
            color: var(--text-main);
            font-weight: 600;
        }

        /* ===== Container ===== */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Section ===== */
        .section {
            padding: 80px 0;
        }
        .section-dark {
            background: var(--primary);
        }
        .section-darker {
            background: var(--bg-body);
        }
        .section-accent-bg {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            position: relative;
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            margin-bottom: 12px;
        }
        .section-title p {
            max-width: 640px;
            margin: 0 auto;
            font-size: 1.05rem;
        }
        .section-title .accent-line {
            display: inline-block;
            width: 60px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin-top: 8px;
        }
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                margin-bottom: 32px;
            }
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            border: 2px solid transparent;
            text-align: center;
            white-space: nowrap;
            min-height: 48px;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 4px;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(240, 185, 11, 0.3);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(240, 185, 11, 0.2);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-main);
            border-color: rgba(255, 255, 255, 0.25);
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(240, 185, 11, 0.15);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            min-height: 38px;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
            min-height: 56px;
        }
        @media (max-width: 520px) {
            .btn {
                padding: 10px 20px;
                font-size: 0.9rem;
                min-height: 44px;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 1rem;
                min-height: 50px;
            }
        }

        /* ===== Badge / Tag ===== */
        .badge {
            display: inline-block;
            padding: 4px 14px;
            font-size: 0.78rem;
            font-weight: 600;
            border-radius: 50px;
            background: var(--accent-soft);
            color: var(--accent);
            border: 1px solid rgba(240, 185, 11, 0.25);
            letter-spacing: 0.3px;
        }
        .badge-white {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-main);
            border-color: rgba(255, 255, 255, 0.12);
        }
        .badge-sm {
            padding: 2px 10px;
            font-size: 0.7rem;
        }

        /* ===== Header & Navigation (Magazine Split) ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(7, 10, 26, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition);
        }
        .site-header.scrolled {
            background: rgba(7, 10, 26, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }
        /* Top row: brand + actions */
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-top-height);
            padding: 0 24px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 1px;
        }
        .header-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .header-logo .logo-text {
            background: linear-gradient(135deg, #f0f2f8 0%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .header-logo:hover .logo-text {
            background: linear-gradient(135deg, var(--accent) 0%, #fff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50px;
            padding: 0 16px;
            height: 38px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: border var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.1);
        }
        .header-search input {
            background: transparent;
            border: none;
            padding: 0 8px;
            font-size: 0.85rem;
            color: var(--text-main);
            width: 120px;
            min-height: 36px;
        }
        .header-search input::placeholder {
            color: var(--text-muted);
        }
        .header-search button {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .header-search button:hover {
            color: var(--accent);
        }
        /* Bottom row: channel nav */
        .header-nav {
            border-top: 1px solid var(--border-light);
            background: rgba(7, 10, 26, 0.6);
        }
        .header-nav-inner {
            display: flex;
            align-items: center;
            height: var(--header-nav-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .header-nav-inner::-webkit-scrollbar {
            display: none;
        }
        .header-nav-inner a {
            display: inline-flex;
            align-items: center;
            padding: 0 18px;
            height: 36px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: 50px;
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .header-nav-inner a:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.06);
        }
        .header-nav-inner a.active {
            color: var(--accent);
            background: var(--accent-soft);
            font-weight: 600;
        }
        .header-nav-inner a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }
        /* Mobile hamburger */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            background: transparent;
            border: none;
            cursor: pointer;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-main);
            border-radius: 4px;
            transition: all var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /* Mobile nav drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--header-top-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(7, 10, 26, 0.98);
            backdrop-filter: blur(20px);
            z-index: 999;
            padding: 24px 20px;
            flex-direction: column;
            gap: 12px;
            overflow-y: auto;
            transform: translateX(100%);
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer a {
            display: block;
            padding: 14px 18px;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--accent);
            background: var(--accent-soft);
        }
        .mobile-drawer .btn {
            margin-top: 16px;
            width: 100%;
        }
        @media (max-width: 900px) {
            .header-search input {
                width: 80px;
            }
        }
        @media (max-width: 768px) {
            .header-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .header-search {
                display: none;
            }
            .header-actions .btn {
                display: none;
            }
            .mobile-drawer {
                display: flex;
            }
            .header-top {
                padding: 0 16px;
                height: 60px;
            }
            .header-logo {
                font-size: 1.15rem;
            }
            .header-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
        }
        @media (min-width: 769px) {
            .mobile-drawer {
                display: none !important;
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 78vh;
            display: flex;
            align-items: center;
            background: var(--primary);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            z-index: 0;
            animation: heroZoom 20s ease-in-out infinite alternate;
        }
        @keyframes heroZoom {
            0% {
                transform: scale(1);
            }
            100% {
                transform: scale(1.05);
            }
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(7, 10, 26, 0.85) 0%, rgba(11, 15, 42, 0.7) 50%, rgba(7, 10, 26, 0.9) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
            padding: 80px 24px;
        }
        .hero-content .badge {
            margin-bottom: 20px;
        }
        .hero-content h1 {
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero-content h1 .highlight {
            color: var(--accent);
        }
        .hero-content p {
            font-size: 1.15rem;
            max-width: 600px;
            margin-bottom: 32px;
            color: rgba(255, 255, 255, 0.7);
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 48px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.1;
        }
        .hero-stat .label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .hero {
                min-height: 60vh;
            }
            .hero-content {
                padding: 48px 16px;
            }
            .hero-content h1 {
                font-size: clamp(1.8rem, 8vw, 2.6rem);
            }
            .hero-content p {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 24px;
                margin-top: 32px;
            }
            .hero-stat .num {
                font-size: 1.6rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .hero-stats {
                flex-direction: column;
                gap: 16px;
            }
        }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            backdrop-filter: blur(4px);
        }
        .card:hover {
            background: var(--bg-card-hover);
            border-color: rgba(240, 185, 11, 0.2);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            background: var(--primary-light);
        }
        .card-body {
            padding: 20px 22px 24px;
        }
        .card-body .badge {
            margin-bottom: 10px;
        }
        .card-body h3 {
            margin-bottom: 8px;
            font-size: 1.1rem;
        }
        .card-body h3 a {
            color: var(--text-main);
        }
        .card-body h3 a:hover {
            color: var(--accent);
        }
        .card-body p {
            font-size: 0.92rem;
            margin-bottom: 12px;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .card-meta i {
            margin-right: 4px;
        }
        .card-footer {
            padding: 14px 22px;
            border-top: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.85rem;
        }
        /* Card grid */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .card-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Stats / Data Blocks ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-3px);
            border-color: rgba(240, 185, 11, 0.2);
            box-shadow: var(--shadow-sm);
        }
        .stat-card .icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 12px;
        }
        .stat-card .num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.2;
        }
        .stat-card .num span {
            color: var(--accent);
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 6px;
        }
        @media (max-width: 900px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 12px;
            }
            .stat-card .num {
                font-size: 1.8rem;
            }
        }

        /* ===== Category / Channel Blocks ===== */
        .cat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .cat-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--primary-light);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            aspect-ratio: 4 / 3;
            display: flex;
            align-items: flex-end;
        }
        .cat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(240, 185, 11, 0.25);
        }
        .cat-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .cat-card:hover img {
            transform: scale(1.06);
        }
        .cat-card .overlay {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 18px 16px 16px;
            background: linear-gradient(transparent, rgba(7, 10, 26, 0.92) 60%);
        }
        .cat-card .overlay h3 {
            font-size: 1.05rem;
            color: #fff;
            margin-bottom: 2px;
        }
        .cat-card .overlay p {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 0;
        }
        @media (max-width: 900px) {
            .cat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .cat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .cat-card {
                aspect-ratio: 3 / 2;
            }
        }

        /* ===== Process / Timeline ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .process-step {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            padding: 28px 22px 24px;
            text-align: center;
            position: relative;
            transition: all var(--transition);
        }
        .process-step:hover {
            transform: translateY(-3px);
            border-color: rgba(240, 185, 11, 0.2);
            box-shadow: var(--shadow-sm);
        }
        .process-step .step-num {
            counter-increment: step;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--accent-soft);
            color: var(--accent);
            font-size: 1.2rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            border: 2px solid rgba(240, 185, 11, 0.2);
        }
        .process-step h4 {
            font-size: 1.05rem;
            margin-bottom: 6px;
        }
        .process-step p {
            font-size: 0.88rem;
            margin-bottom: 0;
        }
        @media (max-width: 900px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .process-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: border var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(240, 185, 11, 0.15);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-main);
            cursor: pointer;
            transition: background var(--transition);
            gap: 12px;
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .faq-question i {
            color: var(--accent);
            font-size: 1.1rem;
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.93rem;
            color: var(--text-muted);
            display: none;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            border: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-block>* {
            position: relative;
            z-index: 1;
        }
        .cta-block h2 {
            margin-bottom: 12px;
        }
        .cta-block p {
            max-width: 560px;
            margin: 0 auto 28px;
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
        }
        .cta-block .btn {
            margin: 0 8px;
        }
        @media (max-width: 640px) {
            .cta-block {
                padding: 36px 20px;
            }
            .cta-block .btn {
                margin: 6px 0;
                width: 100%;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            border-top: 1px solid var(--border-light);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .header-logo {
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            margin-bottom: 14px;
            color: var(--text-main);
        }
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--text-muted);
            padding: 4px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 1rem;
            transition: all var(--transition);
        }
        .footer-social a:hover {
            background: var(--accent-soft);
            color: var(--accent);
            transform: translateY(-2px);
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer {
                padding: 32px 0 16px;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .text-accent {
            color: var(--accent);
        }
        .mt-8 {
            margin-top: 8px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mt-48 {
            margin-top: 48px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .gap-16 {
            gap: 16px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }

        /* ===== CMS List (Latest Info) ===== */
        .cms-list .cms-item {
            display: flex;
            gap: 20px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-light);
            align-items: flex-start;
            transition: background var(--transition);
        }
        .cms-list .cms-item:last-child {
            border-bottom: none;
        }
        .cms-list .cms-item:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .cms-list .cms-thumb {
            width: 120px;
            height: 80px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--primary-light);
        }
        .cms-list .cms-info {
            flex: 1;
            min-width: 0;
        }
        .cms-list .cms-info h4 {
            font-size: 1.05rem;
            margin-bottom: 4px;
        }
        .cms-list .cms-info h4 a {
            color: var(--text-main);
        }
        .cms-list .cms-info h4 a:hover {
            color: var(--accent);
        }
        .cms-list .cms-info .cms-excerpt {
            font-size: 0.88rem;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 6px;
        }
        .cms-list .cms-info .cms-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cms-list .cms-info .cms-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .cms-empty {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-muted);
            font-size: 1rem;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-light);
        }
        @media (max-width: 640px) {
            .cms-list .cms-item {
                flex-direction: column;
                gap: 12px;
            }
            .cms-list .cms-thumb {
                width: 100%;
                height: 160px;
            }
        }

        /* ===== Responsive Utilities ===== */
        @media (max-width: 768px) {
            .hide-mobile {
                display: none !important;
            }
        }
        @media (min-width: 769px) {
            .hide-desktop {
                display: none !important;
            }
        }

        /* ===== Animations ===== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-up {
            animation: fadeUp 0.6s ease forwards;
        }
        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }
        .delay-4 {
            animation-delay: 0.4s;
        }

/* roulang page: category1 */
/* ========== :root 设计变量 ========== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #2a4a7f;
            --accent: #f4a261;
            --accent-light: #ffb87a;
            --bg-dark: #0b0e17;
            --bg-dark-alt: #111827;
            --bg-card: #1a2332;
            --bg-card-hover: #1f2b3d;
            --bg-light: #f8f9fc;
            --bg-white: #ffffff;
            --text-light: #f1f3f5;
            --text-muted: #9ca3af;
            --text-body: #374151;
            --text-dark: #111827;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-light: #e5e7eb;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.2);
            --shadow-glow: 0 0 30px rgba(230, 57, 70, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --container-max: 1240px;
            --header-h: 130px;
        }

        /* ========== Reset & Base ========== */
        *,
        *::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);
            line-height: 1.6;
            color: var(--text-body);
            background: var(--bg-light);
            min-height: 100vh;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--text-dark);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            border: 2px solid transparent;
            letter-spacing: 0.3px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover,
        .btn-primary:focus-visible {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-secondary {
            background: transparent;
            color: var(--text-light);
            border-color: rgba(255, 255, 255, 0.3);
        }
        .btn-secondary:hover,
        .btn-secondary:focus-visible {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--text-light);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: translateY(0);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover,
        .btn-outline:focus-visible {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: var(--radius-sm);
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
        }
        .btn:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }

        /* ========== 标签 / 徽章 ========== */
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            background: rgba(230, 57, 70, 0.12);
            color: var(--primary);
            border: 1px solid rgba(230, 57, 70, 0.2);
        }
        .badge-light {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-light);
            border-color: rgba(255, 255, 255, 0.15);
        }
        .badge-accent {
            background: rgba(244, 162, 97, 0.15);
            color: var(--accent);
            border-color: rgba(244, 162, 97, 0.25);
        }

        /* ========== Header / 导航（杂志频道风格） ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-dark);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            width: 100%;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            font-size: 1.8rem;
            color: var(--primary);
            filter: drop-shadow(0 0 12px rgba(230, 57, 70, 0.4));
            transition: transform var(--transition);
        }
        .header-logo:hover .logo-icon {
            transform: rotate(-15deg) scale(1.05);
        }
        .logo-text {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: 1px;
            background: linear-gradient(135deg, #f1f3f5, #e63946);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50px;
            padding: 4px 4px 4px 16px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition);
            min-width: 200px;
        }
        .header-search:focus-within {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.10);
            box-shadow: 0 0 20px rgba(230, 57, 70, 0.08);
        }
        .header-search input {
            flex: 1;
            background: transparent;
            color: var(--text-light);
            padding: 8px 0;
            font-size: 0.89rem;
            min-width: 0;
        }
        .header-search input::placeholder {
            color: var(--text-muted);
        }
        .header-search button {
            background: var(--primary);
            color: #fff;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background var(--transition), transform var(--transition);
            font-size: 0.85rem;
        }
        .header-search button:hover {
            background: var(--primary-dark);
            transform: scale(1.05);
        }
        .btn-sm.btn-primary {
            padding: 8px 20px;
            font-size: 0.85rem;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            background: transparent;
            border: none;
            cursor: pointer;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--text-light);
            border-radius: 4px;
            transition: all var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* 频道导航行 */
        .header-nav {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            background: rgba(0, 0, 0, 0.2);
        }
        .header-nav-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .header-nav-inner::-webkit-scrollbar {
            display: none;
        }
        .header-nav-inner a {
            display: inline-flex;
            align-items: center;
            padding: 12px 20px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-muted);
            white-space: nowrap;
            border-bottom: 2px solid transparent;
            transition: all var(--transition);
            letter-spacing: 0.3px;
        }
        .header-nav-inner a:hover {
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.03);
        }
        .header-nav-inner a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
            background: rgba(230, 57, 70, 0.06);
            font-weight: 600;
        }

        /* ========== Mobile 菜单 ========== */
        .mobile-menu {
            display: none;
            background: var(--bg-dark-alt);
            border-top: 1px solid var(--border-color);
            padding: 16px 24px 24px;
            animation: slideDown 0.3s ease;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu a {
            display: block;
            padding: 12px 0;
            color: var(--text-muted);
            font-size: 0.95rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            transition: color var(--transition);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--primary);
        }
        .mobile-menu .mobile-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50px;
            padding: 4px 4px 4px 16px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 12px;
        }
        .mobile-menu .mobile-search input {
            flex: 1;
            background: transparent;
            color: var(--text-light);
            padding: 10px 0;
            font-size: 0.9rem;
        }
        .mobile-menu .mobile-search input::placeholder {
            color: var(--text-muted);
        }
        .mobile-menu .mobile-search button {
            background: var(--primary);
            color: #fff;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .mobile-menu .btn-primary {
            margin-top: 16px;
            width: 100%;
            text-align: center;
        }
        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ========== Hero / 内页横幅 ========== */
        .page-hero {
            position: relative;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 80px 0 70px;
            text-align: center;
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 14, 23, 0.85) 0%, rgba(11, 14, 23, 0.6) 100%);
            z-index: 1;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .page-hero h1 {
            font-size: 2.8rem;
            color: var(--text-light);
            margin-bottom: 16px;
            letter-spacing: 1px;
            font-weight: 800;
        }
        .page-hero h1 i {
            color: var(--primary);
            margin-right: 12px;
        }
        .page-hero p {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .page-hero .hero-badges {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }

        /* ========== 通用板块 ========== */
        .section {
            padding: 70px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-light);
        }
        .section-dark h2,
        .section-dark h3,
        .section-dark .section-subtitle {
            color: var(--text-light);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .section-title i {
            color: var(--primary);
            margin-right: 10px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 40px;
            line-height: 1.7;
        }
        .section-title-center {
            text-align: center;
        }
        .section-subtitle-center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        /* ========== 卡片网格 ========== */
        .card-grid {
            display: grid;
            gap: 28px;
        }
        .card-grid-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .card-grid-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .card-grid-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        /* ========== 卡片 ========== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            transform: translateY(-6px);
            background: var(--bg-card-hover);
            border-color: rgba(230, 57, 70, 0.2);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
        }
        .card .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .card .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .card .card-meta .badge {
            font-size: 0.7rem;
            padding: 2px 12px;
        }
        .card .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 10px;
            line-height: 1.4;
            transition: color var(--transition);
        }
        .card:hover .card-title {
            color: var(--primary-light);
        }
        .card .card-text {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }
        .card .card-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }
        .card .card-link:hover {
            gap: 12px;
        }

        /* 白色卡片（浅色背景用） */
        .card-light {
            background: var(--bg-white);
            border-color: var(--border-light);
        }
        .card-light .card-title {
            color: var(--text-dark);
        }
        .card-light .card-text {
            color: #6b7280;
        }
        .card-light:hover .card-title {
            color: var(--primary);
        }

        /* ========== 特色数据卡片（横向指标条） ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin: 40px 0 0;
        }
        .stat-card {
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition);
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(230, 57, 70, 0.2);
            transform: translateY(-4px);
        }
        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 8px;
        }
        .stat-card .stat-icon {
            font-size: 1.8rem;
            color: var(--accent);
            margin-bottom: 12px;
        }

        /* ========== 图文区块 ========== */
        .media-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .media-block.reverse {
            direction: rtl;
        }
        .media-block.reverse>* {
            direction: ltr;
        }
        .media-block .media-img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }
        .media-block .media-content h3 {
            font-size: 1.7rem;
            margin-bottom: 16px;
            font-weight: 800;
        }
        .media-block .media-content p {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .media-block .media-content .badge {
            margin-bottom: 12px;
        }

        /* ========== 分类频道入口（带图） ========== */
        .channel-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .channel-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            aspect-ratio: 4 / 3;
            display: flex;
            align-items: flex-end;
        }
        .channel-card:hover {
            transform: translateY(-6px);
            border-color: rgba(230, 57, 70, 0.3);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
        }
        .channel-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .channel-card:hover img {
            transform: scale(1.05);
        }
        .channel-card .overlay {
            position: relative;
            z-index: 2;
            padding: 24px 20px;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
            width: 100%;
        }
        .channel-card .overlay h4 {
            color: var(--text-light);
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .channel-card .overlay p {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(230, 57, 70, 0.15);
        }
        .faq-item.open {
            border-color: rgba(230, 57, 70, 0.25);
        }
        .faq-question {
            padding: 18px 22px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--text-light);
            font-size: 1rem;
            cursor: pointer;
            background: transparent;
            width: 100%;
            text-align: left;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .faq-question i {
            transition: transform var(--transition);
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 240px;
            padding: 0 22px 20px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 80px 0;
            text-align: center;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 14, 23, 0.88) 0%, rgba(11, 14, 23, 0.7) 100%);
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            color: var(--text-light);
            margin-bottom: 16px;
            font-weight: 800;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-section .btn-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            padding: 50px 0 30px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand .header-logo {
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
            color: var(--text-muted);
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            padding: 5px 0;
            color: var(--text-muted);
            transition: color var(--transition);
            font-size: 0.88rem;
        }
        .footer-col a:hover {
            color: var(--primary);
        }
        .footer-social {
            display: flex;
            gap: 14px;
            margin-top: 8px;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-muted);
            font-size: 1.1rem;
            transition: all var(--transition);
            padding: 0;
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .channel-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .page-hero h1 {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-h: 110px;
            }
            .hide-mobile {
                display: none !important;
            }
            .hide-desktop {
                display: flex !important;
            }
            .header-top {
                padding: 12px 16px;
            }
            .logo-text {
                font-size: 1.25rem;
            }
            .header-nav {
                display: none;
            }
            .mobile-menu {
                display: none;
            }
            .mobile-menu.open {
                display: block;
            }
            .page-hero {
                padding: 50px 0 50px;
                min-height: 200px;
            }
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .page-hero p {
                font-size: 0.95rem;
            }
            .section {
                padding: 50px 0;
            }
            .card-grid-3,
            .card-grid-2,
            .card-grid-4 {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
            .media-block {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .media-block.reverse {
                direction: ltr;
            }
            .media-block .media-content h3 {
                font-size: 1.3rem;
            }
            .channel-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .faq-question {
                font-size: 0.92rem;
                padding: 16px 18px;
            }
            .faq-answer {
                font-size: 0.85rem;
            }
            .container {
                padding: 0 18px;
            }
        }
        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.4rem;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card .stat-number {
                font-size: 1.5rem;
            }
            .stat-card .stat-label {
                font-size: 0.78rem;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .header-search {
                min-width: 0;
                width: 160px;
            }
            .card .card-body {
                padding: 16px 18px 20px;
            }
            .card .card-title {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .media-block .media-content h3 {
                font-size: 1.1rem;
            }
        }

        /* ========== 辅助 ========== */
        .text-center {
            text-align: center;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mt-40 {
            margin-top: 40px;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .mb-40 {
            margin-bottom: 40px;
        }
        .gap-16 {
            gap: 16px;
        }
        .flex-center {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        /* focus-visible 全局 */
        :focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }

        /* 图片占位优雅降级 */
        img {
            background: var(--bg-card);
        }

        /* 结构化数据隐藏 */
        .schema-json {
            display: none;
        }

        /* 分类页特有：筛选标签行 */
        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 32px;
        }
        .filter-tabs .filter-tab {
            padding: 8px 22px;
            border-radius: 50px;
            font-size: 0.88rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-muted);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition);
            cursor: pointer;
        }
        .filter-tabs .filter-tab:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-light);
        }
        .filter-tabs .filter-tab.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* 横向滚动文章条 */
        .scroll-articles {
            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) transparent;
        }
        .scroll-articles::-webkit-scrollbar {
            height: 4px;
        }
        .scroll-articles::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 10px;
        }
        .scroll-articles::-webkit-scrollbar-track {
            background: transparent;
        }
        .scroll-articles .scroll-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: all var(--transition);
        }
        .scroll-articles .scroll-card:hover {
            transform: translateY(-4px);
            border-color: rgba(230, 57, 70, 0.2);
        }
        .scroll-articles .scroll-card img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
        }
        .scroll-articles .scroll-card .scroll-body {
            padding: 16px 18px 20px;
        }
        .scroll-articles .scroll-card .scroll-body h4 {
            font-size: 1rem;
            color: var(--text-light);
            margin-bottom: 6px;
        }
        .scroll-articles .scroll-card .scroll-body p {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #0f1a2e;
            --primary-light: #1a2d4a;
            --primary-dark: #080f1a;
            --accent: #e8b830;
            --accent-hover: #d4a520;
            --accent-light: #f5d060;
            --accent-dark: #c49218;
            --energy: #e85d30;
            --energy-hover: #d04a20;
            --blue-accent: #2b7be4;
            --blue-accent-hover: #1a65c9;
            --bg-body: #f0f2f6;
            --bg-card: #ffffff;
            --bg-dark: #0f1a2e;
            --bg-dark-alt: #131f36;
            --text-primary: #1a1a2e;
            --text-secondary: #4a5a6a;
            --text-muted: #8a9aaa;
            --text-inverse: #f0f4fa;
            --text-accent: #e8b830;
            --border-light: #e2e6ee;
            --border-mid: #c8ced8;
            --shadow-sm: 0 2px 8px rgba(15, 26, 46, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 26, 46, 0.08);
            --shadow-lg: 0 12px 40px rgba(15, 26, 46, 0.12);
            --shadow-xl: 0 24px 60px rgba(15, 26, 46, 0.18);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-top-height: 64px;
            --nav-height: 46px;
            --content-max-width: 820px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--blue-accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--blue-accent-hover);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--text-primary);
        }
        h1 {
            font-size: 2.2rem;
        }
        h2 {
            font-size: 1.75rem;
        }
        h3 {
            font-size: 1.35rem;
        }
        h4 {
            font-size: 1.1rem;
        }
        p {
            margin-bottom: 1rem;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 26px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            border: 2px solid transparent;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary-dark);
            border-color: var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(232, 184, 48, 0.35);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(232, 184, 48, 0.25);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-inverse);
            border-color: var(--text-inverse);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-sm {
            padding: 6px 18px;
            font-size: 0.85rem;
        }
        .btn-lg {
            padding: 14px 36px;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
        }
        .btn-block {
            width: 100%;
        }
        .btn:focus-visible {
            outline: 3px solid var(--accent-light);
            outline-offset: 2px;
        }

        /* ===== Badge / Tag ===== */
        .badge {
            display: inline-block;
            padding: 4px 14px;
            font-size: 0.78rem;
            font-weight: 600;
            border-radius: 20px;
            background: var(--accent);
            color: var(--primary-dark);
            letter-spacing: 0.3px;
        }
        .badge-info {
            background: var(--blue-accent);
            color: #fff;
        }
        .badge-energy {
            background: var(--energy);
            color: #fff;
        }
        .badge-outline {
            background: transparent;
            border: 1.5px solid var(--border-mid);
            color: var(--text-secondary);
        }
        .tag {
            display: inline-block;
            padding: 2px 12px;
            font-size: 0.75rem;
            font-weight: 500;
            border-radius: 14px;
            background: var(--bg-body);
            color: var(--text-secondary);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .tag:hover {
            background: var(--accent);
            color: var(--primary-dark);
            border-color: var(--accent);
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-card);
            box-shadow: 0 2px 16px rgba(15, 26, 46, 0.08);
            backdrop-filter: blur(8px);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: var(--header-top-height);
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--primary);
            font-weight: 700;
        }
        .header-logo:hover {
            color: var(--primary);
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--accent);
            border-radius: 50%;
            color: var(--primary-dark);
            font-size: 1.1rem;
            transition: transform var(--transition);
        }
        .header-logo:hover .logo-icon {
            transform: rotate(-20deg) scale(1.05);
        }
        .logo-text {
            font-size: 1.35rem;
            letter-spacing: 1px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: var(--bg-body);
            border-radius: 24px;
            padding: 0 4px 0 16px;
            border: 1.5px solid var(--border-light);
            transition: all var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(232, 184, 48, 0.12);
        }
        .header-search input {
            background: transparent;
            padding: 7px 0;
            min-width: 160px;
            font-size: 0.85rem;
            color: var(--text-primary);
        }
        .header-search input::placeholder {
            color: var(--text-muted);
        }
        .header-search button {
            padding: 6px 14px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .header-search button:hover {
            color: var(--accent);
        }
        .hamburger {
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 42px;
            height: 42px;
            gap: 5px;
            background: var(--bg-body);
            border-radius: 8px;
            transition: background var(--transition);
        }
        .hamburger:hover {
            background: var(--border-light);
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2.5px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .header-nav {
            background: var(--primary);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .header-nav-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: var(--nav-height);
            overflow-x: auto;
            scrollbar-width: none;
        }
        .header-nav-inner::-webkit-scrollbar {
            display: none;
        }
        .header-nav-inner a {
            display: flex;
            align-items: center;
            padding: 0 20px;
            height: 100%;
            font-size: 0.88rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            white-space: nowrap;
            border-bottom: 3px solid transparent;
            transition: all var(--transition);
            text-decoration: none;
            letter-spacing: 0.3px;
        }
        .header-nav-inner a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }
        .header-nav-inner a.active {
            color: var(--accent);
            border-bottom-color: var(--accent);
            background: rgba(232, 184, 48, 0.06);
        }
        .header-nav-inner a:focus-visible {
            outline: 2px solid var(--accent-light);
            outline-offset: -3px;
        }

        /* ===== Mobile Menu ===== */
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-top-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-card);
            z-index: 999;
            padding: 24px;
            overflow-y: auto;
            box-shadow: var(--shadow-lg);
            border-top: 1px solid var(--border-light);
            animation: slideDown 0.25s ease;
        }
        .mobile-menu.open {
            display: block;
        }
        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-12px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .mobile-menu a {
            display: block;
            padding: 14px 16px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-primary);
            border-radius: var(--radius-sm);
            transition: background var(--transition);
            text-decoration: none;
        }
        .mobile-menu a:hover {
            background: var(--bg-body);
        }
        .mobile-menu a.active {
            color: var(--accent);
            background: rgba(232, 184, 48, 0.08);
        }
        .mobile-menu .mobile-cta {
            margin-top: 20px;
        }
        .mobile-menu .mobile-search {
            display: flex;
            margin-bottom: 20px;
            background: var(--bg-body);
            border-radius: 24px;
            padding: 0 4px 0 18px;
            border: 1.5px solid var(--border-light);
        }
        .mobile-menu .mobile-search input {
            flex: 1;
            background: transparent;
            padding: 12px 0;
            font-size: 0.9rem;
        }
        .mobile-menu .mobile-search button {
            padding: 8px 16px;
            color: var(--text-secondary);
        }

        /* ===== Hero (Article Header) ===== */
        .article-hero {
            position: relative;
            padding: 60px 0 40px;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 26, 46, 0.88) 0%, rgba(15, 26, 46, 0.70) 100%);
        }
        .article-hero .container {
            position: relative;
            z-index: 1;
        }
        .article-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 20px;
        }
        .article-hero .breadcrumb a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }
        .article-hero .breadcrumb a:hover {
            color: var(--accent);
        }
        .article-hero .breadcrumb span {
            color: rgba(255, 255, 255, 0.85);
        }
        .article-hero .article-title {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            max-width: 900px;
            margin-bottom: 16px;
        }
        .article-hero .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.65);
        }
        .article-hero .article-meta .badge {
            font-size: 0.75rem;
            padding: 3px 14px;
        }
        .article-hero .article-meta i {
            margin-right: 5px;
        }

        /* ===== Article Content ===== */
        .article-main {
            padding: 40px 0 60px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            align-items: start;
        }
        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 36px 40px;
            box-shadow: var(--shadow-sm);
        }
        .article-body .featured-image {
            width: 100%;
            border-radius: var(--radius-sm);
            margin-bottom: 28px;
            object-fit: cover;
            max-height: 480px;
        }
        .article-body .content p {
            font-size: 1.02rem;
            line-height: 1.85;
            color: var(--text-primary);
            margin-bottom: 1.2rem;
        }
        .article-body .content h2,
        .article-body .content h3 {
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        .article-body .content h2 {
            font-size: 1.5rem;
        }
        .article-body .content h3 {
            font-size: 1.2rem;
        }
        .article-body .content ul,
        .article-body .content ol {
            padding-left: 1.6rem;
            margin-bottom: 1.2rem;
        }
        .article-body .content ul li {
            list-style: disc;
            margin-bottom: 0.4rem;
        }
        .article-body .content ol li {
            list-style: decimal;
            margin-bottom: 0.4rem;
        }
        .article-body .content blockquote {
            border-left: 4px solid var(--accent);
            padding: 12px 20px;
            margin: 1.2rem 0;
            background: rgba(232, 184, 48, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
        }
        .article-body .content a {
            color: var(--blue-accent);
            text-decoration: underline;
        }
        .article-body .content a:hover {
            color: var(--blue-accent-hover);
        }
        .article-body .content img {
            border-radius: var(--radius-sm);
            margin: 1.2rem 0;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
        }
        .article-tags .tag-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            padding: 4px 0;
        }

        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid var(--border-light);
        }
        .article-share span {
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .article-share a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-body);
            color: var(--text-secondary);
            font-size: 0.95rem;
            transition: all var(--transition);
        }
        .article-share a:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }
        .sidebar-card h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i {
            color: var(--accent);
        }
        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .sidebar-list li:last-child {
            border-bottom: none;
        }
        .sidebar-list a {
            font-size: 0.9rem;
            color: var(--text-primary);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            transition: color var(--transition);
        }
        .sidebar-list a:hover {
            color: var(--accent);
        }
        .sidebar-list a i {
            color: var(--accent);
            font-size: 0.7rem;
            margin-top: 6px;
            flex-shrink: 0;
        }
        .sidebar-cta {
            background: var(--bg-dark);
            color: var(--text-inverse);
            padding: 28px 24px;
            text-align: center;
            border-radius: var(--radius-md);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
        }
        .sidebar-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: var(--radius-md);
            background: rgba(15, 26, 46, 0.75);
        }
        .sidebar-cta * {
            position: relative;
            z-index: 1;
        }
        .sidebar-cta h4 {
            color: var(--accent);
            font-size: 1.15rem;
            margin-bottom: 8px;
        }
        .sidebar-cta p {
            font-size: 0.88rem;
            opacity: 0.8;
            margin-bottom: 16px;
        }
        .sidebar-cta .btn {
            width: 100%;
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 50px 0 60px;
            background: var(--bg-body);
        }
        .related-section .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .related-section .section-title i {
            color: var(--accent);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            text-decoration: none;
            color: var(--text-primary);
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            color: var(--text-primary);
        }
        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
        }
        .related-card .related-body {
            padding: 18px 20px 20px;
        }
        .related-card .related-body h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .related-body .meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 60px 0;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 26, 46, 0.88) 0%, rgba(15, 26, 46, 0.75) 100%);
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            padding: 50px 0 60px;
            background: var(--bg-card);
        }
        .faq-section .section-title {
            text-align: center;
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 36px;
        }
        .faq-grid {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-body);
            border-radius: var(--radius-sm);
            padding: 18px 24px;
            cursor: pointer;
            transition: all var(--transition);
            border: 1px solid var(--border-light);
        }
        .faq-item:hover {
            border-color: var(--accent);
        }
        .faq-item .faq-q {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text-primary);
        }
        .faq-item .faq-q i {
            color: var(--accent);
            transition: transform var(--transition);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-q i {
            transform: rotate(180deg);
        }
        .faq-item .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-a {
            max-height: 300px;
            padding-top: 14px;
        }

        /* ===== Not Found ===== */
        .not-found-section {
            padding: 80px 0 100px;
            text-align: center;
        }
        .not-found-section .nf-icon {
            font-size: 4rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .not-found-section h2 {
            font-size: 1.8rem;
            margin-bottom: 12px;
        }
        .not-found-section p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 28px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 50px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand .header-logo {
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .header-logo:hover {
            color: #fff;
        }
        .footer-brand p {
            font-size: 0.88rem;
            opacity: 0.7;
            max-width: 320px;
            line-height: 1.7;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.92rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
            padding: 4px 0;
            transition: color var(--transition);
            text-decoration: none;
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 8px;
        }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.6);
            font-size: 1rem;
            transition: all var(--transition);
            padding: 0;
        }
        .footer-social a:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-3px);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            font-size: 0.8rem;
            opacity: 0.55;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .hide-mobile {
                display: none !important;
            }
            .hide-desktop {
                display: flex !important;
            }
            .header-top {
                height: 58px;
                padding: 0 16px;
            }
            .logo-text {
                font-size: 1.15rem;
            }
            .header-nav {
                display: none;
            }
            .article-hero {
                padding: 36px 0 28px;
            }
            .article-hero .article-title {
                font-size: 1.6rem;
            }
            .article-hero .article-meta {
                font-size: 0.8rem;
                gap: 10px;
            }
            .article-main {
                padding: 24px 0 40px;
            }
            .article-body {
                padding: 20px 18px;
            }
            .article-body .featured-image {
                max-height: 280px;
            }
            .article-body .content p {
                font-size: 0.95rem;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .related-card img {
                height: 160px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section .btn-group {
                flex-direction: column;
                align-items: center;
            }
            .faq-section .section-title {
                font-size: 1.3rem;
            }
            .faq-item {
                padding: 14px 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .not-found-section {
                padding: 50px 0 60px;
            }
            .not-found-section .nf-icon {
                font-size: 3rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .article-hero .article-title {
                font-size: 1.3rem;
            }
            .article-body {
                padding: 14px 12px;
            }
            .article-body .featured-image {
                max-height: 200px;
            }
            .article-tags {
                gap: 6px;
            }
            .related-card .related-body {
                padding: 14px 16px 16px;
            }
            .sidebar-card {
                padding: 16px;
            }
            .cta-section {
                padding: 40px 0;
            }
            .cta-section h2 {
                font-size: 1.25rem;
            }
            .faq-section {
                padding: 30px 0 40px;
            }
            .footer-grid {
                gap: 20px;
            }
            .footer-col a {
                font-size: 0.82rem;
            }
        }

        @media (min-width: 769px) {
            .hide-desktop {
                display: none !important;
            }
            .hide-mobile {
                display: flex;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .gap-12 {
            gap: 12px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }