/* roulang page: index */
:root {
            --primary: #0284c7;
            --primary-dark: #0369a1;
            --primary-light: #38bdf8;
            --accent: #f59e0b;
            --accent-soft: #fef3c7;
            --bg: #ffffff;
            --bg-soft: #f0f9ff;
            --text: #0f172a;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius: 18px;
            --radius-lg: 28px;
            --shadow: 0 4px 24px rgba(2, 132, 199, 0.08);
            --shadow-hover: 0 14px 36px rgba(2, 132, 199, 0.15);
            --spacing-section: 96px;
            --transition: all .3s cubic-bezier(.4, 0, .2, 1);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }

        input {
            font-family: inherit;
            outline: none;
        }

        .container-x {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        .section-padding {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }

        .section-padding-sm {
            padding-top: 64px;
            padding-bottom: 64px;
        }

        .section-title {
            font-size: 2rem;
            line-height: 1.3;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--text);
            margin-bottom: 0.75rem;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 640px;
            line-height: 1.7;
        }

        .section-head {
            margin-bottom: 48px;
        }

        .text-gradient {
            background: linear-gradient(135deg, #0284c7, #38bdf8);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, #0284c7, #0369a1);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.85rem 1.9rem;
            border-radius: 9999px;
            box-shadow: 0 4px 20px rgba(2, 132, 199, 0.25);
            transition: var(--transition);
            border: none;
            line-height: 1.4;
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #0369a1, #075985);
            box-shadow: 0 6px 28px rgba(2, 132, 199, 0.35);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0px);
            box-shadow: 0 2px 12px rgba(2, 132, 199, 0.25);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.82rem 1.9rem;
            border-radius: 9999px;
            transition: var(--transition);
            backdrop-filter: blur(4px);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            color: #1e293b;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 0.85rem 2rem;
            border-radius: 9999px;
            box-shadow: 0 4px 20px rgba(245, 158, 11, 0.3);
            transition: var(--transition);
            border: none;
        }

        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.4);
            color: #1e293b;
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.7);
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 1.5rem;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, #0284c7, #38bdf8);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.15rem;
            box-shadow: 0 4px 16px rgba(2, 132, 199, 0.3);
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .logo-text .highlight {
            color: var(--primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 1.75rem;
        }

        .nav-link {
            position: relative;
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.93rem;
            padding: 0.35rem 0.15rem;
            transition: var(--transition);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -4px;
            width: 100%;
            height: 2.5px;
            background: linear-gradient(90deg, #0284c7, #38bdf8);
            border-radius: 4px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .3s ease;
        }

        .nav-link:hover {
            color: var(--primary);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            transform: scaleX(1);
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .btn-enter {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, #0284c7, #0369a1);
            color: #fff;
            font-weight: 600;
            font-size: 0.88rem;
            padding: 0.6rem 1.5rem;
            border-radius: 9999px;
            box-shadow: 0 3px 16px rgba(2, 132, 199, 0.22);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-enter:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(2, 132, 199, 0.35);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--bg-soft);
            color: var(--text);
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: #e0f2fe;
            color: var(--primary);
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 640px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(12, 40, 66, 0.92) 0%, rgba(3, 105, 161, 0.82) 55%, rgba(14, 116, 144, 0.75) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 100px 0;
            text-align: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 9999px;
            padding: 0.4rem 1.2rem;
            margin-bottom: 2rem;
            color: rgba(255, 255, 255, 0.95);
            font-size: 0.88rem;
            font-weight: 500;
        }

        .hero-badge .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #34d399;
            box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.2);
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% {
                box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.25);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(52, 211, 153, 0);
            }
        }

        .hero-title {
            font-size: 3.2rem;
            line-height: 1.15;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
            margin-bottom: 1.5rem;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(240, 249, 255, 0.85);
            max-width: 700px;
            margin: 0 auto 2.5rem;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 3rem;
        }

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 2rem;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            color: rgba(255, 255, 255, 0.88);
            font-size: 0.92rem;
            font-weight: 500;
        }

        .trust-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #7dd3fc;
            flex-shrink: 0;
        }

        /* ===== Stats bar ===== */
        .stats-section {
            background: linear-gradient(90deg, #0284c7, #0369a1, #075985);
            padding: 44px 0;
            border-radius: 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
        }

        .stat-item {
            text-align: center;
            color: #fff;
            padding: 0.5rem;
        }

        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.01em;
        }

        .stat-label {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 0.25rem;
        }

        /* ===== Cards ===== */
        .card-base {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            overflow: hidden;
        }

        .card-base:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(2, 132, 199, 0.15);
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            color: #fff;
            flex-shrink: 0;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 0.2rem 0.75rem;
            border-radius: 9999px;
            background: var(--accent-soft);
            color: var(--accent);
        }

        .badge-blue {
            background: #e0f2fe;
            color: #0284c7;
        }

        .badge-green {
            background: #d1fae5;
            color: #059669;
        }

        /* ===== Category entry ===== */
        .category-card .cover-img {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .category-card .cover-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(2, 132, 199, 0.25), transparent);
        }

        /* ===== News list ===== */
        .news-item {
            display: flex;
            gap: 1.3rem;
            padding: 1.25rem;
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .news-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(2, 132, 199, 0.18);
        }

        .news-img-wrap {
            flex-shrink: 0;
            width: 200px;
            height: 130px;
            border-radius: 14px;
            overflow: hidden;
            position: relative;
        }

        .news-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .news-item:hover .news-img {
            transform: scale(1.05);
        }

        .news-category {
            position: absolute;
            top: 8px;
            left: 8px;
            background: rgba(2, 132, 199, 0.9);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 0.15rem 0.6rem;
            border-radius: 9999px;
            backdrop-filter: blur(4px);
        }

        .news-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-width: 0;
        }

        .news-title {
            font-size: 1.08rem;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 0.5rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

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

        .news-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0.6rem;
        }

        .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .read-more {
            color: var(--primary);
            font-weight: 500;
            transition: var(--transition);
        }

        .read-more:hover {
            letter-spacing: 0.5px;
            color: var(--primary-dark);
        }

        .empty-tip {
            text-align: center;
            padding: 3rem 1rem;
            color: var(--text-muted);
            background: #fff;
            border: 1px dashed var(--border);
            border-radius: var(--radius);
            font-size: 0.95rem;
        }

        /* ===== Process ===== */
        .process-card {
            text-align: center;
            padding: 1.5rem;
            position: relative;
        }

        .process-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, #0284c7, #38bdf8);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            box-shadow: 0 4px 16px rgba(2, 132, 199, 0.3);
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 0.85rem;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(2, 132, 199, 0.3);
        }

        .faq-item.open {
            border-color: rgba(2, 132, 199, 0.4);
            box-shadow: 0 4px 20px rgba(2, 132, 199, 0.08);
        }

        .faq-question {
            width: 100%;
            padding: 1.15rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text);
            text-align: left;
            background: none;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-icon {
            font-size: 1rem;
            color: var(--primary);
            transition: transform .3s ease;
            flex-shrink: 0;
        }

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

        .faq-answer {
            padding: 0 1.5rem;
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.25rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            border-radius: 32px;
            overflow: hidden;
            margin: var(--spacing-section) auto;
            max-width: 1200px;
        }

        .cta-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
        }

        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(2, 132, 199, 0.92), rgba(12, 74, 110, 0.88));
        }

        .cta-content {
            position: relative;
            z-index: 2;
            padding: 72px 48px;
            text-align: center;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0f172a;
            color: rgba(255, 255, 255, 0.7);
            padding-top: 64px;
            padding-bottom: 32px;
        }

        .footer-title {
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 1rem;
        }

        .footer-links a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            padding: 0.25rem 0;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 48px;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.82rem;
        }

        /* ===== Focus ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(56, 189, 248, 0.5);
            outline-offset: 2px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.6rem;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }

            .news-img-wrap {
                width: 170px;
                height: 120px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 64px;
            }

            .nav-links {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 1.5rem 1.5rem 2rem;
                gap: 1.1rem;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
                transform: translateY(-120%);
                transition: transform .35s ease;
                z-index: 99;
                display: flex;
            }

            .nav-links.open {
                transform: translateY(0);
            }

            .nav-toggle {
                display: flex;
            }

            .btn-enter.hidden-mobile {
                display: none !important;
            }

            .hero-section {
                min-height: 540px;
            }

            .hero-title {
                font-size: 2.1rem;
            }

            .hero-subtitle {
                font-size: 1.05rem;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
                padding: 0 1rem;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-outline {
                justify-content: center;
            }

            .section-title {
                font-size: 1.65rem;
            }

            .news-item {
                flex-direction: column;
            }

            .news-img-wrap {
                width: 100%;
                height: 190px;
            }

            .cta-content {
                padding: 48px 24px;
            }

            .cta-section {
                margin-left: 1rem;
                margin-right: 1rem;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .logo-text {
                font-size: 1rem;
            }

            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }

            .hero-title {
                font-size: 1.75rem;
            }

            .hero-trust {
                gap: 1.2rem;
            }

            .trust-item {
                font-size: 0.82rem;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }

            .stat-number {
                font-size: 1.8rem;
            }

            .news-img-wrap {
                height: 160px;
            }

            .process-card {
                padding: 1rem;
            }

            .faq-question {
                padding: 1rem;
                font-size: 0.9rem;
            }

            .faq-answer {
                padding: 0 1rem;
            }

            .faq-item.open .faq-answer {
                padding: 0 1rem 1rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1463b3;
            --primary-light: #2f7dcf;
            --primary-dark: #0d4a84;
            --accent: #f0a500;
            --accent-light: #ffb92e;
            --bg: #f6f9fc;
            --bg-dark: #0c1a2b;
            --text: #1c2b3a;
            --text-light: #5c6b7a;
            --border: #dce5ec;
            --radius: 16px;
            --shadow: 0 8px 30px rgba(13, 74, 132, 0.08);
            --shadow-lg: 0 16px 40px rgba(13, 74, 132, 0.14);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: #fff;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        .container-x {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(220, 229, 236, 0.8);
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(13, 74, 132, 0.08);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 32px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(20, 99, 179, 0.3);
        }
        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.2px;
            white-space: nowrap;
        }
        .logo-text .highlight {
            color: var(--primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0 auto;
        }
        .nav-link {
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-light);
            white-space: nowrap;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(20, 99, 179, 0.06);
        }
        .nav-link.active {
            color: var(--primary);
            background: rgba(20, 99, 179, 0.1);
            font-weight: 600;
        }
        .btn-enter {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 4px 14px rgba(20, 99, 179, 0.3);
            transition: var(--transition);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .btn-enter:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(20, 99, 179, 0.4);
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border: 1px solid var(--border);
            border-radius: 12px;
            background: #fff;
            color: var(--text);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--bg);
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            padding: 180px 0 120px;
            background-color: var(--bg-dark);
            overflow: hidden;
            min-height: 640px;
            display: flex;
            align-items: center;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.4;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(7, 24, 48, 0.92) 0%, rgba(13, 74, 132, 0.72) 50%, rgba(7, 24, 48, 0.88) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .hero-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--accent-light);
            font-size: 14px;
            font-weight: 600;
            backdrop-filter: blur(4px);
            margin-bottom: 24px;
        }
        .hero-pill i {
            font-size: 13px;
        }
        .hero-content h1 {
            font-size: 52px;
            line-height: 1.15;
            font-weight: 800;
            color: #fff;
            letter-spacing: -1px;
            margin-bottom: 16px;
        }
        .hero-sub {
            font-size: 18px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 36px;
            max-width: 600px;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 40px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 999px;
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--accent), #ff8c00);
            box-shadow: 0 6px 24px rgba(240, 165, 0, 0.35);
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(240, 165, 0, 0.45);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 999px;
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }
        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
        }
        .hero-meta i {
            color: var(--accent-light);
        }

        /* ===== Section common ===== */
        .section-padding {
            padding: 96px 0;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: 999px;
            background: rgba(20, 99, 179, 0.08);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }
        .section-tag i {
            font-size: 13px;
        }
        .section-tag-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.12);
            color: var(--accent-light);
            font-size: 14px;
            font-weight: 600;
            border: 1px solid rgba(255, 255, 255, 0.15);
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 36px;
            line-height: 1.25;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.7;
            max-width: 640px;
        }

        /* ===== Feature / Intro ===== */
        .feature-list {
            margin-top: 28px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 16px;
            color: var(--text);
            list-style: none;
        }
        .feature-list li i {
            color: var(--primary);
            margin-top: 3px;
            flex-shrink: 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .stat-card {
            padding: 28px 24px;
            border-radius: var(--radius);
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            text-align: center;
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .stat-num {
            display: block;
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 8px;
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-light);
        }

        /* ===== Entry Cards ===== */
        .entry-card {
            border-radius: 20px;
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .entry-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(20, 99, 179, 0.3);
        }
        .entry-img {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .entry-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .entry-card:hover .entry-img img {
            transform: scale(1.05);
        }
        .entry-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(7, 24, 48, 0.25), transparent 60%);
        }
        .entry-body {
            padding: 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .entry-badge {
            display: inline-block;
            align-self: flex-start;
            padding: 5px 14px;
            border-radius: 999px;
            background: rgba(20, 99, 179, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .entry-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
        .entry-body p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
            flex: 1;
        }
        .entry-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 20px;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
        }
        .entry-link:hover {
            gap: 12px;
            color: var(--primary-dark);
        }

        /* ===== Steps ===== */
        .section-steps {
            background: var(--bg);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 48px;
        }
        .step-item {
            background: #fff;
            border-radius: 20px;
            padding: 32px 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            position: relative;
            transition: var(--transition);
        }
        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .step-num {
            display: inline-block;
            font-size: 14px;
            font-weight: 800;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
        }
        .step-item h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* ===== Safety ===== */
        .section-safety {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 96px 0;
            overflow: hidden;
        }
        .safety-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(7, 24, 48, 0.94), rgba(13, 74, 132, 0.85));
        }
        .section-safety .container-x {
            position: relative;
            z-index: 2;
        }
        .section-safety .section-title {
            color: #fff;
        }
        .safety-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 44px;
        }
        .safety-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 20px;
            padding: 32px 28px;
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }
        .safety-card:hover {
            background: rgba(255, 255, 255, 0.14);
            transform: translateY(-4px);
        }
        .safety-card>i {
            font-size: 28px;
            color: var(--accent-light);
            margin-bottom: 16px;
        }
        .safety-card h3 {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .safety-card p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 840px;
            margin: 48px auto 0;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            overflow: hidden;
            transition: var(--transition);
            box-shadow: 0 2px 10px rgba(13, 74, 132, 0.04);
        }
        .faq-item.active {
            border-color: rgba(20, 99, 179, 0.35);
            box-shadow: 0 6px 24px rgba(13, 74, 132, 0.08);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            background: transparent;
            border: none;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question i {
            color: var(--primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 24px;
        }
        .faq-answer p {
            padding: 0 0 20px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .section-cta {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 120px 0;
            overflow: hidden;
        }
        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(7, 24, 48, 0.92), rgba(20, 99, 179, 0.78));
        }
        .section-cta .container-x {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
        }
        .section-cta h2 {
            font-size: 40px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .section-cta p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 36px;
        }
        .btn-xl {
            padding: 18px 44px;
            font-size: 17px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0c1a2b;
            padding: 72px 0 0;
        }
        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-links a {
            color: #94a3b8;
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 32px 0;
            margin-top: 56px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            color: #64748b;
            font-size: 13px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-content h1 {
                font-size: 42px;
            }
            .section-padding {
                padding: 80px 0;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .safety-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 20px 24px;
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
                border-bottom: 1px solid var(--border);
                display: none;
                margin: 0;
                gap: 8px;
                z-index: 99;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-link {
                padding: 12px 16px;
                border-radius: 10px;
                font-size: 16px;
            }
            .nav-toggle {
                display: flex;
            }
            .hidden-mobile {
                display: none !important;
            }
            .hero-section {
                padding: 140px 0 80px;
                min-height: 520px;
            }
            .hero-content h1 {
                font-size: 34px;
            }
            .hero-sub {
                font-size: 16px;
            }
            .section-title {
                font-size: 28px;
            }
            .section-padding {
                padding: 64px 0;
            }
            .stats-grid {
                gap: 14px;
            }
            .stat-num {
                font-size: 30px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .safety-grid {
                grid-template-columns: 1fr;
            }
            .section-cta {
                padding: 80px 0;
            }
            .section-cta h2 {
                font-size: 30px;
            }
            .hero-btns .btn-primary,
            .hero-btns .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .container-x {
                padding: 0 16px;
            }
            .logo-text {
                font-size: 17px;
            }
            .hero-content h1 {
                font-size: 30px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-meta {
                flex-direction: column;
                gap: 10px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .entry-card {
                border-radius: 16px;
            }
            .entry-img {
                height: 160px;
            }
            .step-item {
                padding: 24px 20px;
            }
            .safety-card {
                padding: 24px 20px;
            }
            .faq-question {
                font-size: 15px;
                padding: 16px 18px;
            }
            .faq-answer p {
                font-size: 14px;
            }
            .btn-xl {
                padding: 16px 32px;
                font-size: 15px;
                width: 100%;
                justify-content: center;
            }
        }
        @media (min-width: 768px) and (max-width: 1024px) {
            .entry-card .entry-body {
                padding: 20px;
            }
            .entry-body h3 {
                font-size: 17px;
            }
        }

/* roulang page: article */
:root {
            --primary: #1e4fd8;
            --primary-rgb: 30, 79, 216;
            --primary-dark: #163a9e;
            --primary-light: #38bdf8;
            --secondary: #f5a623;
            --accent: #f97316;
            --dark-bg: #081224;
            --body-bg: #f6f8fb;
            --card-bg: #ffffff;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, .06);
            --shadow-md: 0 8px 24px rgba(15, 23, 42, .08);
            --shadow-lg: 0 16px 40px rgba(15, 23, 42, .12);
            --transition: .25s cubic-bezier(.4, 0, .2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
            background: var(--body-bg);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

        button,
        input,
        select,
        textarea {
            font: inherit;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0 0 .55em;
            line-height: 1.3;
            font-weight: 700;
        }

        p {
            margin: 0 0 1em;
        }

        ul,
        ol {
            margin: 0 0 1em;
            padding: 0;
            list-style-position: outside;
        }

        .container-x {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .container-narrow {
            width: 100%;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(8, 18, 36, .92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            transition: box-shadow var(--transition), background var(--transition);
        }

        .site-header.scrolled {
            background: rgba(6, 14, 28, .97);
            box-shadow: 0 10px 30px rgba(0, 0, 0, .28);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 700;
            font-size: 1.25rem;
            white-space: nowrap;
        }

        .logo-icon {
            width: 44px;
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 1.1rem;
            box-shadow: 0 4px 16px rgba(30, 79, 216, .35);
            flex-shrink: 0;
        }

        .logo-text .highlight {
            color: var(--secondary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            transition: transform .3s ease, opacity .3s ease;
        }

        .nav-link {
            color: rgba(255, 255, 255, .82);
            font-weight: 500;
            font-size: .95rem;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
            transition: color var(--transition), border-color var(--transition);
        }

        .nav-link:hover,
        .nav-link:focus-visible {
            color: #fff;
            border-bottom-color: var(--secondary);
            outline: none;
        }

        .nav-link.active {
            color: #fff;
            border-bottom-color: var(--secondary);
        }

        .btn-enter {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--secondary), var(--accent));
            color: #fff;
            font-weight: 600;
            font-size: .9rem;
            box-shadow: 0 4px 18px rgba(245, 166, 35, .35);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .btn-enter:hover,
        .btn-enter:focus-visible {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 166, 35, .48);
            outline: none;
            color: #fff;
        }

        .btn-enter:active {
            transform: translateY(0) scale(.97);
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border: 1px solid rgba(255, 255, 255, .22);
            border-radius: 10px;
            background: transparent;
            color: #fff;
            font-size: 1.1rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: background var(--transition), border-color var(--transition);
        }

        .nav-toggle:hover,
        .nav-toggle:focus-visible {
            background: rgba(255, 255, 255, .08);
            border-color: rgba(255, 255, 255, .4);
            outline: none;
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 88px 0 72px;
            background-size: cover;
            background-position: center;
            color: #fff;
        }

        .article-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 18, 36, .76), rgba(8, 18, 36, .9));
        }

        .article-hero .container-x {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: .85rem;
            color: rgba(255, 255, 255, .65);
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .85);
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--secondary);
        }

        .breadcrumb .current {
            color: rgba(255, 255, 255, .95);
        }

        .category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .22);
            border-radius: 999px;
            font-size: .8rem;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }

        .date-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, .75);
            font-size: .85rem;
        }

        .article-hero h1 {
            max-width: 880px;
            font-size: clamp(1.8rem, 3.6vw, 2.85rem);
            line-height: 1.25;
            margin: 18px 0 14px;
            text-wrap: balance;
        }

        .article-excerpt {
            max-width: 720px;
            color: rgba(255, 255, 255, .8);
            font-size: 1.05rem;
            margin-bottom: 0;
        }

        /* ===== Article Content ===== */
        .article-content-section {
            padding: 72px 0 16px;
        }

        .article-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: clamp(24px, 4vw, 52px);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 1.95;
            color: var(--text-main);
            word-break: break-word;
        }

        .article-body h2 {
            font-size: 1.45rem;
            margin-top: 2em;
            margin-bottom: .6em;
            padding-bottom: .35em;
            border-bottom: 1px solid var(--border);
        }

        .article-body h3 {
            font-size: 1.18rem;
            margin-top: 1.6em;
            margin-bottom: .5em;
        }

        .article-body p {
            margin-bottom: 1.25em;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.5em 0;
            box-shadow: var(--shadow-sm);
            height: auto;
        }

        .article-body ul,
        .article-body ol {
            padding-left: 1.4em;
            margin-bottom: 1.25em;
        }

        .article-body ul li {
            list-style: disc;
            margin-bottom: .4em;
        }

        .article-body ol li {
            list-style: decimal;
            margin-bottom: .4em;
        }

        .article-body a {
            color: var(--primary);
            font-weight: 500;
            border-bottom: 1px solid rgba(30, 79, 216, .3);
            transition: border-color var(--transition), color var(--transition);
        }

        .article-body a:hover {
            border-bottom-color: var(--primary);
            color: var(--primary-dark);
        }

        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: #f1f5ff;
            padding: 14px 20px;
            border-radius: 0 10px 10px 0;
            margin: 1.5em 0;
            color: #334155;
        }

        .article-body pre {
            background: var(--dark-bg);
            color: #e2e8f0;
            padding: 18px;
            border-radius: 12px;
            overflow-x: auto;
            margin: 1.5em 0;
            font-size: .9rem;
            line-height: 1.6;
        }

        .article-body code {
            background: #eef2f7;
            padding: 2px 6px;
            border-radius: 4px;
            font-size: .9em;
        }

        .article-body pre code {
            background: transparent;
            padding: 0;
        }

        /* ===== Article Meta ===== */
        .article-meta-section {
            padding: 24px 0 56px;
        }

        .article-meta-inner {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 18px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: #eef2ff;
            color: var(--primary);
            border-radius: 999px;
            font-size: .82rem;
            font-weight: 500;
            transition: background var(--transition), color var(--transition);
        }

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

        .share-row {
            display: flex;
            align-items: center;
            gap: 12px;
            padding-top: 18px;
            border-top: 1px solid var(--border);
            color: var(--text-muted);
            font-size: .9rem;
        }

        .share-row a {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: #f1f5f9;
            color: var(--text-muted);
            transition: all var(--transition);
        }

        .share-row a:hover,
        .share-row a:focus-visible {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            outline: none;
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 70px 0;
            background: #f1f5f9;
        }

        .section-head {
            text-align: center;
            margin-bottom: 42px;
        }

        .section-head h2 {
            font-size: clamp(1.5rem, 2.4vw, 1.9rem);
            margin-bottom: 6px;
        }

        .section-head p {
            color: var(--text-muted);
            font-size: .95rem;
            margin-bottom: 0;
        }

        .related-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
            display: block;
            height: 100%;
        }

        .related-card:hover,
        .related-card:focus-visible {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            outline: none;
        }

        .related-card .thumb {
            position: relative;
            overflow: hidden;
            height: 190px;
        }

        .related-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .45s ease;
        }

        .related-card:hover .thumb img {
            transform: scale(1.05);
        }

        .related-card .badge-corner {
            position: absolute;
            left: 14px;
            bottom: 12px;
            padding: 4px 12px;
            background: rgba(8, 18, 36, .72);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: .75rem;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, .18);
        }

        .related-card-body {
            padding: 20px 22px 24px;
        }

        .related-card-body h3 {
            font-size: 1.05rem;
            margin-bottom: 8px;
            line-height: 1.4;
            transition: color var(--transition);
        }

        .related-card:hover .related-card-body h3 {
            color: var(--primary);
        }

        .related-card-body p {
            color: var(--text-muted);
            font-size: .9rem;
            margin-bottom: 0;
            line-height: 1.65;
        }

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

        .cta-inner {
            position: relative;
            border-radius: var(--radius-lg);
            padding: 68px 40px;
            background-size: cover;
            background-position: center;
            text-align: center;
            color: #fff;
            overflow: hidden;
        }

        .cta-inner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(8, 18, 36, .85), rgba(30, 79, 216, .72));
        }

        .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-content h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            margin-bottom: 12px;
        }

        .cta-content p {
            color: rgba(255, 255, 255, .85);
            max-width: 580px;
            margin: 0 auto 30px;
        }

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--secondary), var(--accent));
            color: #fff;
            font-weight: 600;
            border: none;
            cursor: pointer;
            box-shadow: 0 8px 24px rgba(245, 166, 35, .4);
            transition: all var(--transition);
        }

        .btn-cta-primary:hover,
        .btn-cta-primary:focus-visible {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(245, 166, 35, .5);
            outline: none;
        }

        .btn-cta-primary:active {
            transform: translateY(0) scale(.97);
        }

        .btn-cta-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, .4);
            color: #fff;
            font-weight: 600;
            background: transparent;
            cursor: pointer;
            transition: all var(--transition);
        }

        .btn-cta-ghost:hover,
        .btn-cta-ghost:focus-visible {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            outline: none;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 72px 0 88px;
            background: #f8fafc;
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px 26px;
            margin-bottom: 14px;
            transition: box-shadow var(--transition), border-color var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(30, 79, 216, .25);
        }

        .faq-item h3 {
            font-size: 1rem;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-main);
        }

        .faq-item h3 i {
            color: var(--primary);
            font-size: .95rem;
            margin-top: 2px;
        }

        .faq-item p {
            color: var(--text-muted);
            margin-bottom: 0;
            font-size: .93rem;
            line-height: 1.75;
        }

        /* ===== Empty / Not Found ===== */
        .article-empty {
            padding: 120px 0;
            text-align: center;
            min-height: 50vh;
            display: flex;
            align-items: center;
        }

        .article-empty .empty-icon {
            width: 84px;
            height: 84px;
            margin: 0 auto 22px;
            border-radius: 50%;
            background: #eef2ff;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.1rem;
        }

        .article-empty h1 {
            font-size: 2rem;
            margin-bottom: 10px;
        }

        .article-empty p {
            color: var(--text-muted);
            margin-bottom: 28px;
            font-size: 1.05rem;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
        }

        .btn-primary:hover,
        .btn-primary:focus-visible {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(30, 79, 216, .32);
            outline: none;
        }

        .btn-primary:active {
            transform: translateY(0) scale(.97);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-bg);
            color: #94a3b8;
            padding: 56px 0 0;
        }

        .footer-title {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 18px;
            font-weight: 600;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: #94a3b8;
            transition: color var(--transition);
            font-size: .92rem;
        }

        .footer-links a:hover,
        .footer-links a:focus-visible {
            color: var(--secondary);
            outline: none;
        }

        .footer-bottom {
            margin-top: 44px;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, .08);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: .82rem;
            color: #64748b;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-hero {
                padding: 68px 0 56px;
            }

            .nav-links {
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: inline-flex;
            }

            .nav-links {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                background: rgba(8, 18, 36, .98);
                padding: 10px 20px 20px;
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: transform .3s ease, opacity .3s ease;
                border-bottom: 1px solid rgba(255, 255, 255, .08);
                box-shadow: 0 20px 40px rgba(0, 0, 0, .35);
            }

            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }

            .nav-links .nav-link {
                display: block;
                padding: 14px 0;
                border-bottom: 1px solid rgba(255, 255, 255, .06);
                font-size: 1rem;
            }

            .hidden-mobile {
                display: none;
            }

            .article-hero {
                padding: 52px 0 44px;
            }

            .article-content-section {
                padding: 48px 0 12px;
            }

            .article-card {
                padding: 24px;
            }

            .cta-block {
                padding: 56px 0;
            }

            .cta-inner {
                padding: 44px 20px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .related-section,
            .faq-section {
                padding: 52px 0;
            }
        }

        @media (max-width: 520px) {
            .site-logo {
                font-size: 1.05rem;
            }

            .logo-icon {
                width: 38px;
                height: 38px;
                border-radius: 12px;
                font-size: .95rem;
            }

            .nav-inner {
                height: 64px;
                gap: 12px;
            }

            .nav-links {
                top: 64px;
            }

            .article-hero h1 {
                font-size: 1.55rem;
            }

            .breadcrumb {
                flex-wrap: wrap;
                font-size: .8rem;
            }

            .category-badge,
            .date-badge {
                font-size: .75rem;
                padding: 5px 12px;
            }

            .article-card {
                padding: 18px;
                border-radius: 18px;
            }

            .article-meta-inner {
                padding: 18px;
            }

            .faq-item {
                padding: 18px;
            }

            .cta-inner {
                padding: 36px 18px;
                border-radius: 18px;
            }

            .btn-cta-primary,
            .btn-cta-ghost {
                padding: 12px 22px;
                font-size: .9rem;
            }
        }