/* roulang page: index */
:root {
            --primary: #0A5EA8;
            --primary-dark: #084A86;
            --primary-light: #1768B8;
            --accent: #2FA6C4;
            --cta: #E8A13A;
            --bg: #F5F7FA;
            --surface: #FFFFFF;
            --text-primary: #1E293B;
            --text-secondary: #546A7A;
            --text-muted: #94A3B0;
            --border: #E6EDF5;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 8px 24px rgba(10, 94, 168, 0.08);
            --shadow-md: 0 16px 36px rgba(10, 94, 168, 0.12);
            --footer-bg: #08395C;
            --footer-text: #B0C4D9;
            --max-width: 1180px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

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

        .section {
            padding: 72px 0;
        }
        .section--alt {
            background: var(--surface);
        }
        .section--compact {
            padding: 48px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 720px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(10, 94, 168, 0.25);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(10, 94, 168, 0.35);
        }
        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        .btn-secondary:hover {
            background: #EDF4FB;
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-cta {
            background: var(--cta);
            color: #fff;
            box-shadow: 0 4px 14px rgba(232, 161, 58, 0.3);
        }
        .btn-cta:hover {
            background: #d9942c;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(232, 161, 58, 0.4);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }
        .btn-lg {
            padding: 14px 36px;
            font-size: 16px;
            border-radius: 10px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(10, 94, 168, 0.1);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo i {
            color: var(--accent);
            font-size: 24px;
        }
        .logo:hover {
            color: var(--primary-dark);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
        }
        .main-nav li a {
            display: block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 6px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .main-nav li a:hover {
            color: var(--primary);
            background: #f0f6fc;
        }
        .main-nav li a.active {
            color: var(--primary);
            background: #EDF4FB;
            font-weight: 600;
            position: relative;
        }
        .main-nav li a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .hamburger {
            display: none;
            font-size: 24px;
            color: var(--text-primary);
            padding: 8px;
            border-radius: 6px;
        }
        .hamburger:hover {
            background: #f0f6fc;
        }

        /* Mobile drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            background: #fff;
            z-index: 99;
            padding: 16px 20px;
            box-shadow: 0 20px 40px rgba(10, 94, 168, 0.15);
            border-bottom: 1px solid var(--border);
        }
        .mobile-drawer.open {
            display: block;
        }
        .mobile-drawer ul {
            list-style: none;
        }
        .mobile-drawer ul li a {
            display: block;
            padding: 12px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-primary);
            border-radius: 8px;
            transition: background 0.2s;
        }
        .mobile-drawer ul li a:hover {
            background: #f0f6fc;
        }
        .mobile-drawer ul li a.active {
            background: #EDF4FB;
            color: var(--primary);
            font-weight: 600;
        }

        /* Mobile bottom tabs */
        .bottom-tabs {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            border-top: 1px solid var(--border);
            z-index: 98;
            height: 56px;
        }
        .bottom-tabs .tabs-inner {
            display: flex;
            align-items: center;
            justify-content: space-around;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 8px;
        }
        .bottom-tabs .tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 11px;
            color: var(--text-muted);
            text-decoration: none;
            flex: 1;
            transition: color 0.2s;
            padding: 4px 0;
        }
        .bottom-tabs .tab-item i {
            font-size: 18px;
        }
        .bottom-tabs .tab-item.active {
            color: var(--primary);
            font-weight: 600;
        }
        .bottom-tabs .tab-item:hover {
            color: var(--primary);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background: linear-gradient(135deg, #f0f6fc 0%, #e8f0f8 45%, #dceaf5 100%);
            padding: 72px 0 64px;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -15%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(47, 166, 196, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(10, 94, 168, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-text .hero-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(10, 94, 168, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 20px;
        }
        .hero-text .hero-label i {
            color: var(--cta);
            font-size: 12px;
            animation: pulse-dot 1.8s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.3);
            }
        }
        .hero-text h1 {
            font-size: 44px;
            font-weight: 700;
            color: var(--primary-dark);
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero-text .hero-sub {
            font-size: 22px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }
        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(10, 94, 168, 0.12);
            padding-top: 24px;
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat .stat-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .hero-stat .stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }
        .hero-visual {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            min-height: 360px;
            background: #dceaf5;
        }
        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 360px;
        }
        .hero-countdown {
            position: absolute;
            bottom: 20px;
            left: 20px;
            right: 20px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            box-shadow: 0 4px 16px rgba(10, 94, 168, 0.12);
        }
        .hero-countdown .cd-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            white-space: nowrap;
        }
        .hero-countdown .cd-timer {
            display: flex;
            gap: 8px;
            align-items: center;
        }
        .hero-countdown .cd-timer span {
            background: var(--primary);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            padding: 4px 8px;
            border-radius: 4px;
            min-width: 36px;
            text-align: center;
            font-variant-numeric: tabular-nums;
        }
        .hero-countdown .cd-sep {
            font-weight: 700;
            color: var(--primary);
            font-size: 16px;
        }

        /* ===== Brand intro ===== */
        .brand-intro {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 48px;
            align-items: start;
        }
        .brand-intro .bi-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
        }
        .brand-intro .bi-title span {
            color: var(--primary);
        }
        .brand-intro .bi-text p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 16px;
        }
        .brand-intro .bi-text p:last-child {
            margin-bottom: 0;
        }

        /* ===== Feature list (horizontal) ===== */
        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .feature-item {
            display: flex;
            gap: 24px;
            align-items: flex-start;
            padding: 24px 28px;
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .feature-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(10, 94, 168, 0.25);
        }
        .feature-item .fi-icon {
            flex-shrink: 0;
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: #EDF4FB;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            transition: all var(--transition);
        }
        .feature-item:hover .fi-icon {
            background: var(--primary);
            color: #fff;
        }
        .feature-item .fi-content {
            flex: 1;
        }
        .feature-item .fi-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .feature-item .fi-content p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }
        .feature-item .fi-num {
            font-size: 42px;
            font-weight: 700;
            color: rgba(10, 94, 168, 0.12);
            line-height: 1;
            flex-shrink: 0;
            letter-spacing: -2px;
        }

        /* ===== Stats overview ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 20px;
        }
        .stat-card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 28px 24px;
            transition: all var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-card.stat-card--large {
            padding: 32px 28px;
        }
        .stat-card .stat-icon {
            font-size: 28px;
            color: var(--accent);
            margin-bottom: 12px;
        }
        .stat-card .stat-value {
            font-size: 36px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stat-card .stat-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .stat-card .stat-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .stat-card .stat-trend {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            background: #e8f7ee;
            color: #1a7a42;
            margin-top: 8px;
        }

        /* ===== Deep content ===== */
        .deep-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .deep-content .dc-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .deep-content .dc-image img {
            width: 100%;
            object-fit: cover;
        }
        .deep-content .dc-text h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
            line-height: 1.3;
        }
        .deep-content .dc-text p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 16px;
        }
        .deep-content .dc-text .dc-highlight {
            background: #EDF4FB;
            border-left: 3px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-size: 15px;
            color: var(--text-primary);
            margin: 16px 0;
        }

        /* ===== Scenario demo ===== */
        .scenario-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 48px;
        }
        .scenario-block:last-child {
            margin-bottom: 0;
        }
        .scenario-block .sc-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .scenario-block .sc-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 280px;
        }
        .scenario-block .sc-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .scenario-block .sc-text p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.85;
            margin-bottom: 16px;
        }
        .scenario-block .sc-text .sc-stat {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #f0f6fc;
            border-radius: 20px;
            padding: 6px 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }
        .scenario-block .sc-text .sc-stat i {
            color: var(--accent);
        }
        .scenario-block.scenario--reverse {
            direction: rtl;
        }
        .scenario-block.scenario--reverse>* {
            direction: ltr;
        }

        /* ===== News center ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-card {
            display: flex;
            gap: 20px;
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 20px;
            transition: all var(--transition);
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(10, 94, 168, 0.2);
        }
        .news-card .nc-date {
            flex-shrink: 0;
            width: 70px;
            text-align: center;
            align-self: flex-start;
        }
        .news-card .nc-date .nc-day {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
        }
        .news-card .nc-date .nc-month {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .news-card .nc-content {
            flex: 1;
        }
        .news-card .nc-content h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .news-card .nc-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .news-card .nc-content .btn {
            font-size: 13px;
            padding: 6px 14px;
        }
        .news-card .nc-img {
            flex-shrink: 0;
            width: 140px;
            height: 100px;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        .news-card .nc-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ===== Platform assurance ===== */
        .assurance-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .assurance-item {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition);
        }
        .assurance-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .assurance-item .ai-icon {
            font-size: 32px;
            color: var(--accent);
            margin-bottom: 12px;
        }
        .assurance-item h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .assurance-item p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 850px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item.open {
            background: var(--bg);
            border-color: rgba(10, 94, 168, 0.25);
        }
        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--text-primary);
            user-select: none;
        }
        .faq-item .faq-question .faq-toggle {
            font-size: 20px;
            font-weight: 400;
            color: var(--primary);
            transition: transform 0.3s;
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item.open .faq-question .faq-toggle {
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-item .faq-answer p {
            padding: 0 22px 20px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.85;
        }

        /* ===== CTA / Form ===== */
        .cta-section {
            background: #08395C;
            padding: 72px 0;
            color: #fff;
        }
        .cta-section .section-title {
            color: #fff;
        }
        .cta-section .section-desc {
            color: rgba(255, 255, 255, 0.75);
        }
        .cta-form {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: flex-end;
            margin-top: 28px;
            max-width: 700px;
        }
        .cta-form .form-group {
            flex: 1;
            min-width: 180px;
        }
        .cta-form label {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 6px;
        }
        .cta-form input {
            width: 100%;
            height: 48px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            padding: 0 16px;
            font-size: 15px;
            transition: border-color 0.3s;
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }
        .cta-form input:focus {
            border-color: var(--accent);
            outline: none;
            background: rgba(255, 255, 255, 0.12);
        }
        .cta-form .btn-primary {
            height: 48px;
            background: var(--accent);
            box-shadow: none;
        }
        .cta-form .btn-primary:hover {
            background: #2793b0;
        }

        /* ===== Floating bottom CTA ===== */
        .floating-cta {
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary-dark);
            color: #fff;
            border-radius: 12px;
            box-shadow: 0 8px 30px rgba(8, 58, 92, 0.35);
            padding: 12px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            z-index: 97;
            max-width: 600px;
            width: calc(100% - 40px);
            transition: transform 0.3s, opacity 0.3s;
        }
        .floating-cta p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            margin: 0;
            flex: 1;
        }
        .floating-cta .btn-cta {
            white-space: nowrap;
            padding: 10px 22px;
            font-size: 14px;
            border-radius: 8px;
        }
        .floating-cta.hidden {
            transform: translateX(-50%) translateY(100px);
            opacity: 0;
            pointer-events: none;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--footer-bg);
            color: #fff;
            padding: 60px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
            font-size: 20px;
        }
        .footer-brand .logo i {
            color: var(--accent);
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            line-height: 1.8;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: color 0.2s;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
        }
        .footer-bottom p {
            font-size: 14px;
            color: var(--footer-text);
            margin: 0;
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-bottom .footer-links a {
            font-size: 14px;
            color: var(--footer-text);
        }
        .footer-bottom .footer-links a:hover {
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-text h1 {
                font-size: 36px;
            }
            .hero-text .hero-sub {
                font-size: 19px;
            }
            .brand-intro {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .deep-content {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .assurance-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .scenario-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .scenario-block.scenario--reverse {
                direction: ltr;
            }
            .news-card .nc-img {
                width: 110px;
                height: 80px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section--compact {
                padding: 36px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .main-nav {
                display: none;
            }
            .nav-cta {
                gap: 8px;
            }
            .nav-cta .btn {
                display: none;
            }
            .hamburger {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .hero {
                padding: 48px 0 40px;
            }
            .hero-text h1 {
                font-size: 28px;
            }
            .hero-text .hero-sub {
                font-size: 16px;
            }
            .hero-stats {
                gap: 20px;
            }
            .hero-stat .stat-num {
                font-size: 22px;
            }
            .hero-visual {
                min-height: 260px;
            }
            .hero-visual img {
                min-height: 260px;
            }
            .hero-countdown {
                flex-direction: column;
                gap: 8px;
                align-items: flex-start;
                padding: 12px 16px;
            }
            .hero-countdown .cd-timer span {
                font-size: 14px;
                min-width: 28px;
                padding: 3px 6px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .assurance-grid {
                grid-template-columns: 1fr;
            }
            .feature-item {
                flex-direction: column;
                gap: 16px;
                padding: 20px;
            }
            .feature-item .fi-icon {
                width: 52px;
                height: 52px;
                font-size: 20px;
            }
            .feature-item .fi-num {
                font-size: 32px;
            }
            .news-card {
                flex-wrap: wrap;
            }
            .news-card .nc-date {
                width: 50px;
            }
            .news-card .nc-date .nc-day {
                font-size: 22px;
            }
            .news-card .nc-img {
                width: 100%;
                height: 160px;
                order: -1;
            }
            .cta-form {
                flex-direction: column;
                gap: 12px;
            }
            .cta-form .form-group {
                min-width: 100%;
            }
            .floating-cta {
                bottom: 72px;
                padding: 10px 14px;
                flex-direction: column;
                gap: 8px;
                align-items: stretch;
                text-align: center;
            }
            .floating-cta p {
                font-size: 12px;
            }
            .floating-cta .btn-cta {
                width: 100%;
            }
            .bottom-tabs {
                display: block;
            }
            .site-footer {
                padding-bottom: 100px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            body {
                padding-bottom: 56px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .hero-text h1 {
                font-size: 24px;
            }
            .hero-text .hero-sub {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .section-title {
                font-size: 21px;
            }
            .brand-intro .bi-title {
                font-size: 21px;
            }
            .deep-content .dc-text h3 {
                font-size: 21px;
            }
            .scenario-block .sc-text h3 {
                font-size: 20px;
            }
            .stat-card .stat-value {
                font-size: 28px;
            }
            .news-card {
                padding: 14px;
            }
            .faq-item .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0A5EA8;
            --primary-dark: #084A86;
            --primary-light: #1768B8;
            --accent: #2FA6C4;
            --cta: #E8A13A;
            --bg: #F5F7FA;
            --surface: #FFFFFF;
            --text-primary: #1E293B;
            --text-secondary: #546A7A;
            --text-muted: #94A3B0;
            --border: #E6EDF5;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 8px 24px rgba(10, 94, 168, 0.08);
            --shadow-md: 0 16px 36px rgba(10, 94, 168, 0.12);
            --footer-bg: #08395C;
            --footer-text: #B0C4D9;
            --max-width: 1180px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 80px;
        }

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

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

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

        .section {
            padding: 72px 0;
        }

        .section--alt {
            background: var(--surface);
        }

        .section--compact {
            padding: 48px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 720px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(10, 94, 168, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(10, 94, 168, 0.35);
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-secondary:hover {
            background: #EDF4FB;
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-cta {
            background: var(--cta);
            color: #fff;
            box-shadow: 0 4px 14px rgba(232, 161, 58, 0.3);
        }

        .btn-cta:hover {
            background: #d9942c;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(232, 161, 58, 0.4);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 16px;
            border-radius: 10px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(10, 94, 168, 0.1);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }

        .logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo i {
            color: var(--accent);
            font-size: 24px;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
        }

        .main-nav li a {
            display: block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 6px;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .main-nav li a:hover {
            color: var(--primary);
            background: #f0f6fc;
        }

        .main-nav li a.active {
            color: var(--primary);
            background: #EDF4FB;
            font-weight: 600;
            position: relative;
        }

        .main-nav li a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .hamburger {
            display: none;
            font-size: 24px;
            color: var(--text-primary);
            padding: 8px;
            border-radius: 6px;
            transition: background 0.3s ease;
        }

        .hamburger:hover {
            background: #f0f6fc;
        }

        /* ===== Mobile Bottom Tab ===== */
        .mobile-tabs {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            border-top: 1px solid var(--border);
            z-index: 99;
            height: 56px;
        }

        .mobile-tabs-inner {
            display: flex;
            align-items: stretch;
            justify-content: space-around;
            height: 100%;
        }

        .mobile-tab {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 11px;
            color: var(--text-muted);
            transition: color var(--transition);
            text-decoration: none;
        }

        .mobile-tab i {
            font-size: 18px;
        }

        .mobile-tab.active {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            list-style: none;
            margin: 0;
            flex-wrap: wrap;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb li+li::before {
            content: '/';
            color: var(--text-muted);
        }

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

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

        .breadcrumb .current {
            color: var(--text-primary);
            font-weight: 500;
        }

        /* ===== Page Hero (compact) ===== */
        .page-hero {
            background: linear-gradient(135deg, #EAF2FB 0%, #F0F6FC 40%, #F5F7FA 100%);
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--border);
        }

        .page-hero .section-label {
            display: block;
            margin-bottom: 10px;
        }

        .page-hero h1 {
            font-size: 34px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .page-hero .hero-sub {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 650px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== Filter Bar ===== */
        .filter-bar {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 32px;
            box-shadow: var(--shadow-sm);
        }

        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-right: 4px;
        }

        .filter-btn {
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg);
            border: 1px solid transparent;
            transition: all var(--transition);
        }

        .filter-btn:hover {
            color: var(--primary);
            background: #EDF4FB;
        }

        .filter-btn.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(10, 94, 168, 0.25);
        }

        .filter-select {
            padding: 6px 32px 6px 12px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-secondary);
            background: var(--surface);
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23546A7A' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
        }

        /* ===== Metric Cards ===== */
        .metrics-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            grid-template-rows: auto auto;
            gap: 20px;
            margin-top: 36px;
        }

        .metric-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .metric-card--large {
            grid-row: span 2;
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 36px 32px;
        }

        .metric-card--large .metric-number {
            font-size: 56px;
            line-height: 1.1;
            margin-bottom: 12px;
        }

        .metric-card--large .metric-label {
            font-size: 18px;
        }

        .metric-number {
            font-size: 36px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .metric-label {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .metric-sub {
            font-size: 13px;
            color: var(--text-muted);
        }

        .metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 12px;
            margin-top: 8px;
        }

        .metric-trend.up {
            color: #16a34a;
            background: #f0fdf4;
        }

        .metric-trend.down {
            color: #dc2626;
            background: #fef2f2;
        }

        /* ===== Data Table ===== */
        .data-table-wrap {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            margin-top: 20px;
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
            margin: 0;
        }

        .data-table thead {
            background: #F0F6FC;
        }

        .data-table th {
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
            font-size: 13px;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            border-bottom: 1px solid var(--border);
            white-space: nowrap;
        }

        .data-table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border);
            color: var(--text-primary);
            vertical-align: middle;
        }

        .data-table tbody tr {
            transition: background 0.2s ease;
        }

        .data-table tbody tr:hover {
            background: #F8FAFD;
        }

        .data-table tbody tr:last-child td {
            border-bottom: none;
        }

        .team-cell {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 500;
        }

        .team-badge {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .team-badge.alt {
            background: var(--accent);
        }

        .score-num {
            font-weight: 700;
            font-size: 16px;
            color: var(--text-primary);
        }

        .badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 600;
        }

        .badge-live {
            background: #fef2f2;
            color: #dc2626;
        }

        .badge-finished {
            background: #f0fdf4;
            color: #16a34a;
        }

        .badge-upcoming {
            background: #f0f6fc;
            color: var(--primary);
        }

        /* ===== Deep Analysis ===== */
        .analysis-block {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 36px 32px;
            box-shadow: var(--shadow-sm);
            margin-top: 36px;
        }

        .analysis-block h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 18px;
            line-height: 1.3;
        }

        .analysis-block p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 16px;
        }

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

        /* ===== Bottom Fixed CTA ===== */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 98;
            background: var(--footer-bg);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 12px 0;
        }

        .bottom-cta-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .bottom-cta-text {
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            line-height: 1.5;
        }

        .bottom-cta-text strong {
            color: var(--cta);
            font-weight: 700;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--footer-bg);
            color: var(--footer-text);
            padding: 56px 0 28px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 14px;
            display: inline-flex;
        }

        .footer-brand .logo i {
            color: var(--accent);
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--footer-text);
            line-height: 1.7;
            max-width: 320px;
            margin-bottom: 0;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
        }

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

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

        .footer-col ul li a {
            color: var(--footer-text);
            font-size: 14px;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .footer-bottom p {
            margin: 0;
            font-size: 14px;
            color: var(--footer-text);
        }

        .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: var(--footer-text);
            font-size: 14px;
        }

        .footer-links a:hover {
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                grid-template-rows: auto auto auto;
            }

            .metric-card--large {
                grid-column: span 2;
                grid-row: span 1;
                padding: 28px 24px;
            }

            .metric-card--large .metric-number {
                font-size: 40px;
            }

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

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }

            .page-hero {
                padding: 36px 0 28px;
            }

            .page-hero h1 {
                font-size: 28px;
            }

            .page-hero .hero-sub {
                font-size: 15px;
            }

            .main-nav {
                display: none;
            }

            .hamburger {
                display: block;
            }

            .mobile-tabs {
                display: block;
            }

            .bottom-cta-bar {
                bottom: 56px;
                padding: 8px 0;
            }

            .bottom-cta-bar .container {
                flex-direction: row;
                align-items: center;
                gap: 8px;
            }

            .bottom-cta-text {
                font-size: 12px;
                flex: 1;
            }

            .bottom-cta-bar .btn {
                padding: 8px 14px;
                font-size: 12px;
                white-space: nowrap;
            }

            body {
                padding-bottom: 140px;
            }

            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 14px 16px;
            }

            .metrics-grid {
                grid-template-columns: 1fr;
                grid-template-rows: auto;
                gap: 14px;
            }

            .metric-card--large {
                grid-column: span 1;
                padding: 24px 20px;
            }

            .metric-card--large .metric-number {
                font-size: 36px;
            }

            .data-table-wrap {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }

            .data-table {
                min-width: 600px;
                font-size: 13px;
            }

            .data-table th,
            .data-table td {
                padding: 10px 12px;
            }

            .analysis-block {
                padding: 24px 20px;
            }

            .analysis-block h2 {
                font-size: 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 24px;
            }

            .section-title {
                font-size: 22px;
            }

            .metric-number {
                font-size: 30px;
            }

            .metric-card--large .metric-number {
                font-size: 32px;
            }

            .filter-btn {
                padding: 5px 12px;
                font-size: 12px;
            }

            .bottom-cta-text {
                font-size: 11px;
            }

            .bottom-cta-bar .btn {
                padding: 6px 10px;
                font-size: 11px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0A5EA8;
            --primary-dark: #084A86;
            --primary-light: #1768B8;
            --accent: #2FA6C4;
            --cta: #E8A13A;
            --bg: #F5F7FA;
            --surface: #FFFFFF;
            --text-primary: #1E293B;
            --text-secondary: #546A7A;
            --text-muted: #94A3B0;
            --border: #E6EDF5;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 8px 24px rgba(10, 94, 168, 0.08);
            --shadow-md: 0 16px 36px rgba(10, 94, 168, 0.12);
            --footer-bg: #08395C;
            --footer-text: #B0C4D9;
            --max-width: 1180px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 0;
        }

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

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        ul,
        ol {
            list-style: none;
        }

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

        .section {
            padding: 56px 0;
        }

        .section--alt {
            background: var(--surface);
        }

        .section--compact {
            padding: 36px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.35;
            margin-bottom: 14px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 720px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 26px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            text-decoration: none;
            white-space: nowrap;
            line-height: 1.5;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(10, 94, 168, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(10, 94, 168, 0.35);
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-secondary:hover {
            background: #EDF4FB;
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-cta {
            background: var(--cta);
            color: #fff;
            box-shadow: 0 4px 14px rgba(232, 161, 58, 0.3);
        }

        .btn-cta:hover {
            background: #d9942c;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(232, 161, 58, 0.4);
        }

        .btn-sm {
            padding: 7px 16px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 14px 34px;
            font-size: 15px;
            border-radius: 10px;
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.5);
        }

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

        /* ===== Header / Nav ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(10, 94, 168, 0.1);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }

        .logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo i {
            color: var(--accent);
            font-size: 24px;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
        }

        .main-nav li a {
            display: block;
            padding: 8px 15px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 6px;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .main-nav li a:hover {
            color: var(--primary);
            background: #f0f6fc;
        }

        .main-nav li a.active {
            color: var(--primary);
            background: #EDF4FB;
            font-weight: 600;
            position: relative;
        }

        .main-nav li a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 15px;
            right: 15px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .nav-toggle {
            display: none;
            font-size: 22px;
            color: var(--text-primary);
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            border-radius: 6px;
            transition: background var(--transition);
        }

        .nav-toggle:hover {
            background: #f0f6fc;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-section {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== Page Header ===== */
        .page-header {
            background: linear-gradient(135deg, #F0F6FC 0%, #E8F2FA 100%);
            padding: 40px 0 32px;
            border-bottom: 1px solid var(--border);
        }

        .page-header .container {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }

        .page-header h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 8px;
        }

        .page-header .page-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.7;
        }

        .page-header .header-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
        }

        .page-header .header-meta i {
            color: var(--accent);
            margin-right: 4px;
        }

        /* ===== Filter Bar ===== */
        .filter-bar {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
            position: sticky;
            top: 68px;
            z-index: 90;
        }

        .filter-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .filter-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .filter-tabs .filter-tab {
            padding: 7px 18px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 20px;
            cursor: pointer;
            transition: all var(--transition);
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .filter-tabs .filter-tab:hover {
            color: var(--primary);
            background: #f0f6fc;
        }

        .filter-tabs .filter-tab.active {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
            font-weight: 600;
        }

        .filter-sort {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .filter-sort select {
            padding: 8px 14px;
            border: 1px solid var(--border);
            border-radius: 6px;
            background: #fff;
            color: var(--text-primary);
            font-size: 13px;
            cursor: pointer;
            transition: border-color var(--transition);
            min-width: 110px;
        }

        .filter-sort select:focus {
            border-color: var(--primary);
            outline: none;
        }

        /* ===== News Grid Layout ===== */
        .news-section {
            padding: 40px 0 56px;
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
            align-items: start;
        }

        /* ===== News List ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            display: flex;
            gap: 0;
            transition: all var(--transition);
        }

        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #d5e2ef;
        }

        .news-card .news-image {
            flex: 0 0 220px;
            overflow: hidden;
            position: relative;
            min-height: 160px;
            background: #e8eef5;
        }

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

        .news-card:hover .news-image img {
            transform: scale(1.04);
        }

        .news-card .news-body {
            flex: 1;
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

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

        .news-card .news-meta .news-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 4px;
            font-size: 11px;
            font-weight: 600;
            background: #E8F4FB;
            color: var(--primary);
            letter-spacing: 0.3px;
        }

        .news-card .news-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin: 0;
        }

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

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

        .news-card .news-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            margin: 0;
        }

        .news-card .news-action {
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            transition: color var(--transition), gap var(--transition);
        }

        .news-card .news-action:hover {
            color: var(--primary-dark);
            gap: 8px;
        }

        /* ===== Sidebar ===== */
        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 140px;
        }

        .sidebar-card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 22px;
        }

        .sidebar-card .sidebar-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border);
        }

        .sidebar-card .sidebar-title i {
            color: var(--accent);
        }

        .hot-news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .hot-news-item {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding-bottom: 14px;
            border-bottom: 1px dashed var(--border);
        }

        .hot-news-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .hot-news-item .hot-rank {
            flex: 0 0 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #E8F4FB;
            color: var(--primary);
            border-radius: 6px;
            font-size: 14px;
            font-weight: 700;
        }

        .hot-news-item .hot-rank.top1 {
            background: var(--cta);
            color: #fff;
        }

        .hot-news-item .hot-rank.top2 {
            background: #F0A35E;
            color: #fff;
        }

        .hot-news-item .hot-rank.top3 {
            background: #D4B04A;
            color: #fff;
        }

        .hot-news-item .hot-content {
            flex: 1;
        }

        .hot-news-item .hot-content a {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
            display: block;
            transition: color var(--transition);
        }

        .hot-news-item .hot-content a:hover {
            color: var(--primary);
        }

        .hot-news-item .hot-content .hot-date {
            font-size: 12px;
            color: var(--text-muted);
        }

        .sidebar-subscribe {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: var(--radius);
            padding: 24px 22px;
            color: #fff;
        }

        .sidebar-subscribe h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }

        .sidebar-subscribe p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .sidebar-subscribe .subscribe-form {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .sidebar-subscribe .subscribe-form input {
            padding: 10px 14px;
            border-radius: 6px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            font-size: 13px;
            transition: all var(--transition);
        }

        .sidebar-subscribe .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .sidebar-subscribe .subscribe-form input:focus {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.6);
            outline: none;
        }

        .sidebar-subscribe .subscribe-form .btn {
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        }

        .sidebar-subscribe .subscribe-form .btn:hover {
            background: #f0f6fc;
            transform: translateY(-2px);
        }

        /* ===== Pagination ===== */
        .pagination-section {
            padding: 20px 0 48px;
        }

        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .pagination .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 12px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border: 1px solid var(--border);
            background: #fff;
            cursor: pointer;
            transition: all var(--transition);
        }

        .pagination .page-btn:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: #f0f6fc;
        }

        .pagination .page-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 700;
        }

        .pagination .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* ===== Bottom Fixed CTA Bar ===== */
        .sticky-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #073B63;
            z-index: 80;
            border-top: 2px solid rgba(255, 255, 255, 0.12);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
            padding: 12px 0;
            transform: translateY(100%);
            transition: transform 0.4s ease;
        }

        .sticky-cta-bar.visible {
            transform: translateY(0);
        }

        .sticky-cta-bar .container {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .sticky-cta-bar .cta-text {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.92);
            font-weight: 500;
            letter-spacing: 0.3px;
        }

        .sticky-cta-bar .btn-cta {
            white-space: nowrap;
        }

        /* ===== Mobile Bottom Tabs ===== */
        .mobile-bottom-tabs {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            border-top: 1px solid var(--border);
            z-index: 85;
            height: 56px;
            padding: 0 8px;
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.06);
        }

        .mobile-bottom-tabs ul {
            display: flex;
            align-items: center;
            justify-content: space-around;
            height: 100%;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .mobile-bottom-tabs ul li {
            flex: 1;
            height: 100%;
        }

        .mobile-bottom-tabs ul li a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            height: 100%;
            font-size: 10px;
            font-weight: 500;
            color: var(--text-muted);
            transition: color var(--transition);
        }

        .mobile-bottom-tabs ul li a i {
            font-size: 18px;
        }

        .mobile-bottom-tabs ul li a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .mobile-bottom-tabs ul li a:hover {
            color: var(--primary);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--footer-bg);
            color: var(--footer-text);
            padding: 48px 0 24px;
            margin-bottom: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .logo {
            color: #fff;
            font-size: 20px;
            margin-bottom: 12px;
        }

        .footer-brand .logo i {
            color: var(--accent);
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--footer-text);
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: var(--footer-text);
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }

        .footer-bottom p {
            font-size: 12px;
            color: var(--footer-text);
            margin: 0;
            line-height: 1.6;
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .footer-links a {
            font-size: 12px;
            color: var(--footer-text);
            transition: color var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .news-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .news-sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
            }

            .news-sidebar .sidebar-card,
            .news-sidebar .sidebar-subscribe {
                flex: 1 1 300px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .site-header .container {
                height: 58px;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 58px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                padding: 12px 20px;
                flex-direction: column;
                align-items: flex-start;
                gap: 2px;
                box-shadow: 0 8px 24px rgba(10, 94, 168, 0.08);
            }

            .main-nav.open {
                display: flex;
            }

            .main-nav li {
                width: 100%;
            }

            .main-nav li a {
                padding: 10px 12px;
                font-size: 15px;
                width: 100%;
            }

            .main-nav li a.active::after {
                display: none;
            }

            .nav-toggle {
                display: block;
            }

            .page-header {
                padding: 28px 0 22px;
            }

            .page-header h1 {
                font-size: 24px;
            }

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

            .filter-bar {
                top: 58px;
                padding: 10px 0;
            }

            .filter-tabs .filter-tab {
                padding: 5px 14px;
                font-size: 12px;
            }

            .filter-sort select {
                padding: 6px 10px;
                font-size: 12px;
                min-width: 90px;
            }

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

            .news-card .news-image {
                flex: 0 0 auto;
                height: 180px;
                width: 100%;
            }

            .news-card .news-body {
                padding: 16px 18px;
                gap: 6px;
            }

            .news-card .news-title {
                font-size: 16px;
            }

            .news-card .news-excerpt {
                font-size: 13px;
            }

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

            .news-sidebar .sidebar-card,
            .news-sidebar .sidebar-subscribe {
                flex: 1 1 auto;
            }

            .sticky-cta-bar {
                bottom: 56px;
                padding: 8px 0;
            }

            .sticky-cta-bar .container {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }

            .sticky-cta-bar .cta-text {
                font-size: 12px;
            }

            .mobile-bottom-tabs {
                display: block;
            }

            .site-footer {
                padding-bottom: 72px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .page-header h1 {
                font-size: 22px;
            }

            .page-header .page-subtitle {
                font-size: 14px;
            }

            .section {
                padding: 36px 0;
            }

            .news-section {
                padding: 28px 0 36px;
            }

            .news-card .news-image {
                height: 150px;
            }

            .news-card .news-title {
                font-size: 15px;
            }

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

            .filter-tabs {
                gap: 2px;
            }

            .filter-tabs .filter-tab {
                padding: 5px 10px;
                font-size: 11px;
            }

            .pagination .page-btn {
                min-width: 32px;
                height: 32px;
                padding: 0 8px;
                font-size: 12px;
            }

            .footer-bottom p {
                font-size: 11px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0A5EA8;
            --primary-dark: #084A86;
            --primary-light: #1768B8;
            --accent: #2FA6C4;
            --cta: #E8A13A;
            --bg: #F5F7FA;
            --surface: #FFFFFF;
            --text-primary: #1E293B;
            --text-secondary: #546A7A;
            --text-muted: #94A3B0;
            --border: #E6EDF5;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 8px 24px rgba(10, 94, 168, 0.08);
            --shadow-md: 0 16px 36px rgba(10, 94, 168, 0.12);
            --footer-bg: #08395C;
            --footer-text: #B0C4D9;
            --max-width: 1180px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg);
            overflow-x: hidden;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

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

        .section {
            padding: 56px 0;
        }

        .section--alt {
            background: var(--surface);
        }

        .section--compact {
            padding: 40px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.35;
            margin-bottom: 14px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 720px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 26px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(10, 94, 168, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(10, 94, 168, 0.35);
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-secondary:hover {
            background: #EDF4FB;
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-cta {
            background: var(--cta);
            color: #fff;
            box-shadow: 0 4px 14px rgba(232, 161, 58, 0.3);
        }

        .btn-cta:hover {
            background: #d9942c;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(232, 161, 58, 0.4);
        }

        .btn-sm {
            padding: 7px 16px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 13px 34px;
            font-size: 16px;
            border-radius: 10px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(10, 94, 168, 0.1);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }

        .logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo i {
            color: var(--accent);
            font-size: 24px;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .main-nav li a {
            display: block;
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 6px;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .main-nav li a:hover {
            color: var(--primary);
            background: #f0f6fc;
        }

        .main-nav li a.active {
            color: var(--primary);
            background: #EDF4FB;
            font-weight: 600;
            position: relative;
        }

        .main-nav li a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .mobile-toggle {
            display: none;
            font-size: 20px;
            color: var(--text-primary);
            background: none;
            border: none;
            padding: 6px;
        }

        /* ===== Mobile Bottom Tab ===== */
        .bottom-tab-bar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: #fff;
            border-top: 1px solid var(--border);
            z-index: 99;
            box-shadow: 0 -2px 10px rgba(10, 94, 168, 0.06);
        }

        .bottom-tab-bar .tab-inner {
            display: flex;
            align-items: center;
            justify-content: space-around;
            height: 100%;
            max-width: 520px;
            margin: 0 auto;
            padding: 0 8px;
        }

        .bottom-tab-bar a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 10px;
            font-weight: 500;
            color: var(--text-muted);
            transition: color var(--transition);
            flex: 1;
            height: 100%;
            text-decoration: none;
        }

        .bottom-tab-bar a i {
            font-size: 18px;
        }

        .bottom-tab-bar a.active {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            padding: 10px 0;
            font-size: 13px;
            color: var(--text-muted);
        }

        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }

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

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

        .breadcrumb-bar .separator {
            color: #cbd5e1;
            font-size: 11px;
        }

        .breadcrumb-bar .current {
            color: var(--primary);
            font-weight: 500;
        }

        /* ===== Page Hero ===== */
        .page-hero {
            background: linear-gradient(160deg, #EDF4FB 0%, #F5F7FA 55%, #E8F2FA 100%);
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--border);
        }

        .page-hero .container {
            display: grid;
            grid-template-columns: 1.3fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .page-hero .hero-content h1 {
            font-size: 34px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin: 0 0 12px;
        }

        .page-hero .hero-content .lead {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 20px;
            max-width: 520px;
        }

        .page-hero .hero-meta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }

        .page-hero .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .page-hero .hero-visual {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
        }

        .page-hero .hero-visual img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }

        .page-hero .hero-visual .visual-tag {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: rgba(10, 94, 168, 0.88);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }

        /* ===== Feature Article ===== */
        .feature-article {
            margin-top: -8px;
        }

        .feature-article .feature-card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1.15fr 1fr;
            min-height: 340px;
        }

        .feature-article .feature-card .feature-img {
            position: relative;
            overflow: hidden;
        }

        .feature-article .feature-card .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 340px;
        }

        .feature-article .feature-card .feature-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(8, 57, 92, 0.45) 100%);
            pointer-events: none;
        }

        .feature-article .feature-card .feature-img .badge-feature {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--cta);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            z-index: 1;
        }

        .feature-article .feature-card .feature-body {
            padding: 28px 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .feature-article .feature-card .feature-body .meta {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .feature-article .feature-card .feature-body h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin: 0 0 10px;
        }

        .feature-article .feature-card .feature-body p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 18px;
        }

        /* ===== Article List ===== */
        .article-list-section {
            background: var(--bg);
        }

        .article-list .article-item {
            display: grid;
            grid-template-columns: 200px 1fr;
            gap: 22px;
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 20px 24px;
            margin-bottom: 18px;
            transition: all var(--transition);
        }

        .article-list .article-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .article-list .article-item .article-img {
            border-radius: var(--radius-sm);
            overflow: hidden;
            height: 120px;
        }

        .article-list .article-item .article-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .article-list .article-item .article-content {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .article-list .article-item .article-content .meta {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .article-list .article-item .article-content h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.45;
            margin: 0 0 8px;
        }

        .article-list .article-item .article-content .summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 10px;
        }

        .article-list .article-item .article-content .read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }

        .article-list .article-item .article-content .read-more:hover {
            color: var(--primary-dark);
            gap: 8px;
        }

        /* ===== Tag Cloud ===== */
        .tag-cloud-section {
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 36px 0;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud .tag {
            display: inline-block;
            padding: 7px 18px;
            background: #EDF4FB;
            color: var(--primary);
            font-size: 13px;
            font-weight: 500;
            border-radius: 20px;
            border: 1px solid #d5e7f5;
            transition: all var(--transition);
            cursor: default;
        }

        .tag-cloud .tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(10, 94, 168, 0.2);
        }

        .tag-cloud .tag.tag-highlight {
            background: var(--cta);
            color: #fff;
            border-color: var(--cta);
        }

        /* ===== Analysis Block ===== */
        .analysis-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: start;
        }

        .analysis-block .analysis-text h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 14px;
            line-height: 1.4;
        }

        .analysis-block .analysis-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin: 0 0 14px;
        }

        .analysis-block .analysis-data {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 24px 26px;
        }

        .analysis-block .analysis-data h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 14px;
        }

        .analysis-block .analysis-data .data-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 8px 0;
            border-bottom: 1px solid #f0f4f8;
            font-size: 14px;
        }

        .analysis-block .analysis-data .data-row:last-child {
            border-bottom: none;
        }

        .analysis-block .analysis-data .data-row .label {
            color: var(--text-secondary);
        }

        .analysis-block .analysis-data .data-row .value {
            font-weight: 700;
            color: var(--primary);
            font-size: 15px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(140deg, var(--primary-dark) 0%, var(--primary) 45%, #1a6eb8 100%);
            padding: 48px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(47, 166, 196, 0.15);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(232, 161, 58, 0.08);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
        }

        .cta-section .cta-text h2 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .cta-section .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.82);
            margin: 0;
            max-width: 480px;
            line-height: 1.7;
        }

        /* ===== Bottom Fixed CTA ===== */
        .bottom-fixed-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--primary-dark);
            box-shadow: 0 -4px 20px rgba(8, 57, 92, 0.2);
            z-index: 98;
            padding: 12px 0;
            transform: translateY(100%);
            transition: transform 0.4s ease;
        }

        .bottom-fixed-cta.visible {
            transform: translateY(0);
        }

        .bottom-fixed-cta .container {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 18px;
            flex-wrap: wrap;
        }

        .bottom-fixed-cta .cta-text-short {
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            white-space: nowrap;
        }

        .bottom-fixed-cta .btn {
            background: var(--cta);
            color: #fff;
            border-radius: 6px;
            padding: 9px 22px;
            font-size: 13px;
            font-weight: 600;
        }

        .bottom-fixed-cta .btn:hover {
            background: #d9942c;
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--footer-bg);
            color: var(--footer-text);
            padding: 48px 0 100px;
            margin-top: 0;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .site-footer .footer-brand .logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .site-footer .footer-brand .logo i {
            color: var(--accent);
        }

        .site-footer .footer-brand p {
            font-size: 13px;
            line-height: 1.75;
            color: var(--footer-text);
            margin: 0;
            max-width: 300px;
        }

        .site-footer .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
        }

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

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

        .site-footer .footer-col ul li a {
            color: var(--footer-text);
            font-size: 13px;
            transition: color var(--transition);
        }

        .site-footer .footer-col ul li a:hover {
            color: #fff;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(176, 196, 217, 0.2);
            padding-top: 18px;
            font-size: 13px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
        }

        .site-footer .footer-bottom p {
            margin: 0;
            color: var(--footer-text);
            font-size: 13px;
        }

        .site-footer .footer-bottom .footer-links {
            display: flex;
            gap: 14px;
        }

        .site-footer .footer-bottom .footer-links a {
            color: var(--footer-text);
            font-size: 13px;
        }

        .site-footer .footer-bottom .footer-links a:hover {
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .page-hero .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .page-hero .hero-content h1 {
                font-size: 28px;
            }

            .page-hero .hero-visual img {
                height: 220px;
            }

            .analysis-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }

            .mobile-toggle {
                display: block;
            }

            .bottom-tab-bar {
                display: block;
            }

            .site-header .container {
                height: 58px;
            }

            .section {
                padding: 40px 0;
            }

            .section-title {
                font-size: 22px;
            }

            .page-hero {
                padding: 32px 0 28px;
            }

            .page-hero .hero-content h1 {
                font-size: 24px;
            }

            .page-hero .hero-content .lead {
                font-size: 15px;
            }

            .page-hero .hero-visual img {
                height: 180px;
            }

            .feature-article .feature-card {
                grid-template-columns: 1fr;
                min-height: auto;
            }

            .feature-article .feature-card .feature-img img {
                min-height: 200px;
                height: 200px;
            }

            .feature-article .feature-card .feature-body {
                padding: 20px 20px;
            }

            .feature-article .feature-card .feature-body h2 {
                font-size: 19px;
            }

            .article-list .article-item {
                grid-template-columns: 1fr;
                gap: 14px;
                padding: 16px 18px;
            }

            .article-list .article-item .article-img {
                height: 160px;
            }

            .article-list .article-item .article-content h3 {
                font-size: 16px;
            }

            .analysis-block .analysis-text h2 {
                font-size: 20px;
            }

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

            .cta-section .cta-text h2 {
                font-size: 20px;
            }

            .bottom-fixed-cta {
                bottom: 56px;
                padding: 8px 0;
            }

            .bottom-fixed-cta .cta-text-short {
                font-size: 12px;
            }

            .site-footer {
                padding-bottom: 120px;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }

            .logo {
                font-size: 18px;
            }

            .logo i {
                font-size: 20px;
            }

            .page-hero .hero-content h1 {
                font-size: 21px;
            }

            .page-hero .hero-content .lead {
                font-size: 14px;
            }

            .page-hero .hero-visual img {
                height: 150px;
            }

            .feature-article .feature-card .feature-img img {
                height: 160px;
                min-height: 160px;
            }

            .section-title {
                font-size: 20px;
            }

            .article-list .article-item .article-img {
                height: 130px;
            }

            .tag-cloud .tag {
                font-size: 12px;
                padding: 5px 13px;
            }

            .bottom-fixed-cta .cta-text-short {
                white-space: normal;
                text-align: center;
            }
        }

/* roulang page: category4 */
/* ===== roulang design system - resources-services page ===== */
        :root {
            --primary: #0A5EA8;
            --primary-dark: #084A86;
            --primary-light: #1768B8;
            --accent: #2FA6C4;
            --cta: #E8A13A;
            --bg: #F5F7FA;
            --surface: #FFFFFF;
            --text-primary: #1E293B;
            --text-secondary: #546A7A;
            --text-muted: #94A3B0;
            --border: #E6EDF5;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 8px 24px rgba(10, 94, 168, 0.08);
            --shadow-md: 0 16px 36px rgba(10, 94, 168, 0.12);
            --footer-bg: #08395C;
            --footer-text: #B0C4D9;
            --max-width: 1180px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

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

        .section {
            padding: 72px 0;
        }

        .section--alt {
            background: var(--surface);
        }

        .section--compact {
            padding: 48px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 720px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(10, 94, 168, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(10, 94, 168, 0.35);
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-secondary:hover {
            background: #EDF4FB;
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-cta {
            background: var(--cta);
            color: #fff;
            box-shadow: 0 4px 14px rgba(232, 161, 58, 0.3);
        }

        .btn-cta:hover {
            background: #d9942c;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(232, 161, 58, 0.4);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 16px;
            border-radius: 10px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(10, 94, 168, 0.1);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }

        .logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo i {
            color: var(--accent);
            font-size: 24px;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .main-nav li a {
            display: block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 6px;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .main-nav li a:hover {
            color: var(--primary);
            background: #f0f6fc;
        }

        .main-nav li a.active {
            color: var(--primary);
            background: #EDF4FB;
            font-weight: 600;
            position: relative;
        }

        .main-nav li a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 8px;
            cursor: pointer;
            background: transparent;
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        /* ===== Mobile Bottom Tab Nav ===== */
        .mobile-tab-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: #fff;
            border-top: 1px solid var(--border);
            z-index: 99;
            box-shadow: 0 -2px 12px rgba(10, 94, 168, 0.06);
        }

        .mobile-tab-nav ul {
            display: flex;
            align-items: center;
            justify-content: space-around;
            height: 100%;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .mobile-tab-nav li {
            flex: 1;
            height: 100%;
        }

        .mobile-tab-nav li a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            height: 100%;
            font-size: 10px;
            color: var(--text-secondary);
            transition: color 0.2s ease;
        }

        .mobile-tab-nav li a i {
            font-size: 18px;
        }

        .mobile-tab-nav li a.active {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
        }

        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }

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

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

        .breadcrumb-bar .separator {
            color: var(--text-muted);
        }

        /* ===== Page Hero (category) ===== */
        .page-hero {
            background: linear-gradient(135deg, #EDF4FB 0%, #F5F7FA 50%, #E8F2FA 100%);
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--border);
        }

        .page-hero .container {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .page-hero-title {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin: 0 0 8px;
            letter-spacing: 0.5px;
        }

        .page-hero-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            margin: 0;
            max-width: 520px;
            line-height: 1.7;
        }

        .page-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 20px;
            font-size: 13px;
            color: var(--primary);
            font-weight: 500;
            white-space: nowrap;
            box-shadow: var(--shadow-sm);
        }

        .page-hero-badge i {
            color: var(--accent);
        }

        /* ===== Resource Cards (2-col asymmetric) ===== */
        .resource-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin-top: 16px;
        }

        .resource-card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 28px;
            display: flex;
            gap: 20px;
            align-items: flex-start;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .resource-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .resource-card--featured {
            grid-column: span 2;
            flex-direction: row;
            align-items: center;
            gap: 32px;
            padding: 32px;
            background: linear-gradient(135deg, #F0F6FC 0%, #FFFFFF 60%);
        }

        .resource-card-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: #EDF4FB;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 24px;
            color: var(--primary);
        }

        .resource-card--featured .resource-card-icon {
            width: 68px;
            height: 68px;
            font-size: 30px;
            background: var(--primary);
            color: #fff;
        }

        .resource-card-body {
            flex: 1;
        }

        .resource-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .resource-card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .resource-card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

        .resource-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .resource-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 500;
            background: #EDF4FB;
            color: var(--primary);
            margin-right: 6px;
        }

        .resource-tag--gold {
            background: #FEF6EB;
            color: var(--cta);
        }

        .resource-card .btn {
            margin-top: 4px;
        }

        /* ===== Service intro ===== */
        .service-intro {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 40px;
            align-items: start;
        }

        .service-intro-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .service-intro-text p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .service-intro-visual {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .service-intro-visual img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }

        /* ===== FAQ Accordion ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: #d0e2f0;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            user-select: none;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            background: var(--surface);
            transition: all var(--transition);
            gap: 12px;
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            background: #F8FBFE;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: #EDF4FB;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--primary);
            transition: all var(--transition);
        }

        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            background: #F5F7FA;
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 16px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ===== Contact / CTA ===== */
        .contact-section {
            background: linear-gradient(135deg, #F0F6FC 0%, #E8F2FA 100%);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 40px;
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: center;
        }

        .contact-info h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .contact-info p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .contact-info ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .contact-info li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }

        .contact-info li i {
            color: var(--accent);
            width: 18px;
            text-align: center;
        }

        .contact-form {
            background: var(--surface);
            border-radius: var(--radius-sm);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }

        .contact-form .form-row {
            display: flex;
            gap: 16px;
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .contact-form .form-group {
            flex: 1;
            min-width: 200px;
        }

        .contact-form label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .contact-form input,
        .contact-form select,
        .contact-form textarea {
            width: 100%;
            height: 42px;
            padding: 8px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-primary);
            background: #FAFCFE;
            transition: all var(--transition);
        }

        .contact-form textarea {
            height: auto;
            min-height: 100px;
            resize: vertical;
        }

        .contact-form input:focus,
        .contact-form select:focus,
        .contact-form textarea:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(10, 94, 168, 0.1);
        }

        .contact-form .form-submit {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 12px;
            flex-wrap: wrap;
        }

        .contact-form .form-note {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ===== Bottom fixed conversion bar ===== */
        .bottom-cta-bar {
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 98;
            background: var(--footer-bg);
            color: #fff;
            border-radius: 12px;
            padding: 14px 20px;
            display: flex;
            align-items: center;
            gap: 20px;
            box-shadow: 0 8px 28px rgba(8, 57, 92, 0.3);
            max-width: calc(var(--max-width) - 40px);
            width: calc(100% - 40px);
            transition: transform 0.3s ease;
        }

        .bottom-cta-bar p {
            margin: 0;
            font-size: 14px;
            line-height: 1.5;
            color: #E8F2FA;
            flex: 1;
        }

        .bottom-cta-bar .btn {
            flex-shrink: 0;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--footer-bg);
            color: #fff;
            padding: 48px 0 24px;
            margin-bottom: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand .logo {
            color: #fff;
            font-size: 20px;
            margin-bottom: 12px;
            display: inline-flex;
        }

        .footer-brand .logo i {
            color: var(--accent);
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--footer-text);
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }

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

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

        .footer-col a {
            font-size: 13px;
            color: var(--footer-text);
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 14px;
            color: var(--footer-text);
        }

        .footer-bottom p {
            margin: 0;
            font-size: 13px;
        }

        .footer-links {
            display: flex;
            gap: 16px;
        }

        .footer-links a {
            font-size: 13px;
            color: var(--footer-text);
        }

        .footer-links a:hover {
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .resource-grid {
                gap: 20px;
            }

            .resourced-card--featured {
                flex-direction: row;
            }

            .contact-section {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 28px;
            }
        }

        @media (max-width: 768px) {
            .site-header .container {
                height: 60px;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 8px 16px 16px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 8px 24px rgba(10, 94, 168, 0.1);
            }

            .main-nav.open {
                display: flex;
            }

            .main-nav li a {
                padding: 10px 16px;
                font-size: 15px;
            }

            .main-nav li a.active::after {
                left: 16px;
                right: auto;
                width: 3px;
                height: 20px;
                top: 50%;
                transform: translateY(-50%);
                bottom: auto;
                border-radius: 2px;
            }

            .hamburger {
                display: flex;
            }

            .mobile-tab-nav {
                display: block;
            }

            .section {
                padding: 40px 0;
            }

            .page-hero {
                padding: 32px 0 28px;
            }

            .page-hero-title {
                font-size: 26px;
            }

            .page-hero-subtitle {
                font-size: 15px;
            }

            .resource-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .resource-card--featured {
                grid-column: span 1;
                flex-direction: column;
                align-items: flex-start;
                padding: 24px;
            }

            .resource-card {
                padding: 20px;
                flex-direction: column;
                align-items: flex-start;
            }

            .service-intro {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .service-intro-visual img {
                height: 200px;
            }

            .contact-section {
                padding: 24px;
                border-radius: 10px;
            }

            .contact-form .form-row {
                flex-direction: column;
                gap: 12px;
            }

            .bottom-cta-bar {
                bottom: 68px;
                width: calc(100% - 24px);
                max-width: calc(100% - 24px);
                padding: 10px 14px;
                gap: 10px;
                flex-direction: column;
                align-items: flex-start;
                border-radius: 8px;
            }

            .bottom-cta-bar p {
                font-size: 13px;
            }

            .site-footer {
                padding: 32px 0 80px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .logo {
                font-size: 19px;
            }

            .logo i {
                font-size: 20px;
            }
        }

        @media (max-width: 520px) {
            .page-hero-title {
                font-size: 22px;
            }

            .page-hero-subtitle {
                font-size: 14px;
            }

            .section-title {
                font-size: 22px;
            }

            .resource-card-title {
                font-size: 16px;
            }

            .resource-card-desc {
                font-size: 13px;
            }

            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }

            .faq-answer-inner {
                font-size: 13px;
                padding: 12px 16px;
            }

            .contact-info h3 {
                font-size: 20px;
            }

            .btn {
                padding: 10px 22px;
                font-size: 14px;
            }

            .btn-lg {
                padding: 12px 28px;
                font-size: 14px;
            }

            .mobile-tab-nav li a {
                font-size: 8px;
            }

            .mobile-tab-nav li a i {
                font-size: 16px;
            }
        }