/* roulang page: index */
:root {
            --primary-blue: #0A6CD6;
            --brand-blue: #1667D9;
            --deep-blue: #14213D;
            --warm-gold: #D4AF5A;
            --neon-cyan: #1DC8D8;
            --bg-page: #F5F8FC;
            --bg-white: #FFFFFF;
            --text-primary: #1A2433;
            --text-secondary: #5A6472;
            --border-color: #DDE5F0;
            --border-light: #E4ECF6;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 24px rgba(10,60,120,.08);
            --shadow-hover: 0 12px 32px rgba(10,60,120,.14);
            --shadow-sm: 0 2px 8px rgba(10,60,120,.05);
            --font-base: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --font-num: 'DIN Alternate', 'Oswald', 'Arial Narrow', sans-serif;
            --space-section: 72px;
            --space-section-mobile: 40px;
            --container-max: 1200px;
            --transition: 0.2s ease;
        }

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

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

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

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

        a:hover {
            color: var(--deep-blue);
            text-decoration: none;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-base);
            font-size: 1rem;
        }

        button:focus,
        a:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 3px solid rgba(10,108,214,0.35);
            outline-offset: 2px;
        }

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

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 1px 10px rgba(10,60,120,.05);
        }

        .site-header .navbar {
            padding: 0;
            min-height: 68px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 19px;
            color: var(--deep-blue);
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

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

        .navbar-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--deep-blue) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            box-shadow: 0 4px 12px rgba(10,108,214,0.3);
        }

        .navbar-logo .logo-text {
            white-space: nowrap;
        }

        .navbar-logo .logo-text .brand-sub {
            display: block;
            font-size: 11px;
            font-weight: 400;
            color: var(--text-secondary);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-top: -2px;
        }

        .navbar-nav-wrapper {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .navbar-nav-wrapper .nav-link-custom {
            color: var(--text-primary);
            font-weight: 500;
            font-size: 15px;
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .navbar-nav-wrapper .nav-link-custom:hover {
            color: var(--primary-blue);
            background: rgba(10,108,214,0.06);
        }

        .navbar-nav-wrapper .nav-link-custom.active {
            color: #fff;
            background: var(--primary-blue);
            box-shadow: 0 4px 14px rgba(10,108,214,0.3);
        }

        .navbar-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-brand {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: var(--primary-blue);
            color: #fff;
            border: none;
            border-radius: var(--radius-pill);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(10,108,214,0.3);
            text-decoration: none;
        }

        .btn-brand:hover {
            background: #085BB8;
            color: #fff;
            transform: translateY(-1px) scale(1.02);
            box-shadow: 0 6px 20px rgba(10,108,214,0.4);
            text-decoration: none;
        }

        .btn-brand-outline {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: transparent;
            color: var(--primary-blue);
            border: 2px solid var(--primary-blue);
            border-radius: var(--radius-pill);
            padding: 8px 20px;
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
            text-decoration: none;
        }

        .btn-brand-outline:hover {
            background: var(--primary-blue);
            color: #fff;
            transform: translateY(-1px);
            text-decoration: none;
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--warm-gold);
            color: var(--deep-blue);
            border: 2px solid var(--warm-gold);
            border-radius: var(--radius-pill);
            padding: 10px 24px;
            font-weight: 700;
            font-size: 14px;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
            text-decoration: none;
        }

        .btn-gold:hover {
            background: #C09D3E;
            border-color: #C09D3E;
            color: var(--deep-blue);
            transform: translateY(-1px) scale(1.02);
            text-decoration: none;
        }

        .navbar-toggler {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            background: #fff;
            color: var(--text-primary);
        }

        .navbar-toggler:focus {
            outline: 3px solid rgba(10,108,214,0.3);
            outline-offset: 2px;
        }

        .nav-badge {
            display: inline-block;
            background: var(--neon-cyan);
            color: #fff;
            font-size: 10px;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: var(--radius-pill);
            margin-left: 4px;
            letter-spacing: 0.5px;
            animation: pulseBadge 2s infinite;
        }

        @keyframes pulseBadge {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.6; }
        }

        .offcanvas {
            background: #fff;
        }

        .offcanvas .nav-link-custom {
            display: block;
            padding: 12px 20px;
            font-size: 16px;
            color: var(--text-primary);
            border-radius: var(--radius-sm);
            margin-bottom: 4px;
        }

        .offcanvas .nav-link-custom:hover,
        .offcanvas .nav-link-custom.active {
            background: rgba(10,108,214,0.06);
            color: var(--primary-blue);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center 30%;
            background-repeat: no-repeat;
            min-height: 580px;
            display: flex;
            align-items: center;
            padding: 80px 0 60px;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(20,33,61,0.92) 0%, rgba(10,108,214,0.78) 55%, rgba(20,33,61,0.6) 100%);
            z-index: 1;
        }

        .hero-section .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-content {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 40px;
            align-items: center;
        }

        .hero-left h1 {
            font-size: 36px;
            font-weight: 700;
            color: #fff;
            line-height: 1.35;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
            text-shadow: 0 2px 8px rgba(0,0,0,0.3);
        }

        .hero-left h1 .highlight {
            color: var(--warm-gold);
            position: relative;
        }

        .hero-left .hero-subtitle {
            font-size: 16px;
            color: rgba(255,255,255,0.88);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }

        .hero-actions .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--warm-gold);
            color: var(--deep-blue);
            font-weight: 700;
            font-size: 16px;
            padding: 13px 28px;
            border-radius: var(--radius-pill);
            border: none;
            transition: all var(--transition);
            cursor: pointer;
            text-decoration: none;
            box-shadow: 0 6px 20px rgba(212,175,90,0.4);
        }

        .hero-actions .btn-hero-primary:hover {
            background: #C09D3E;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(212,175,90,0.5);
            color: var(--deep-blue);
            text-decoration: none;
        }

        .hero-actions .btn-hero-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.12);
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            padding: 13px 28px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255,255,255,0.5);
            transition: all var(--transition);
            cursor: pointer;
            text-decoration: none;
            backdrop-filter: blur(4px);
        }

        .hero-actions .btn-hero-secondary:hover {
            background: rgba(255,255,255,0.2);
            transform: translateY(-2px);
            color: #fff;
            text-decoration: none;
        }

        .hero-right .status-card {
            background: rgba(255,255,255,0.96);
            border-radius: 16px;
            padding: 24px;
            box-shadow: 0 12px 40px rgba(0,0,0,0.25);
            backdrop-filter: blur(10px);
        }

        .status-card .card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 12px;
        }

        .status-card .card-header h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--deep-blue);
            margin: 0;
        }

        .status-card .live-indicator {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #E8F5E9;
            color: #2E7D32;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
        }

        .status-card .live-indicator .dot {
            width: 8px;
            height: 8px;
            background: #2E7D32;
            border-radius: 50%;
            animation: pulseDot 1.5s infinite;
        }

        @keyframes pulseDot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        .status-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .status-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 14px;
            color: var(--text-primary);
        }

        .status-list li:last-child {
            border-bottom: none;
        }

        .status-list .rank-num {
            font-family: var(--font-num);
            font-weight: 700;
            font-size: 18px;
            color: var(--primary-blue);
            width: 28px;
            text-align: center;
            flex-shrink: 0;
        }

        .status-list .rank-num.gold {
            color: var(--warm-gold);
        }

        .status-list .rank-num.silver {
            color: #8A8A8A;
        }

        .status-list .rank-num.bronze {
            color: #B87333;
        }

        .status-list .rank-title {
            flex: 1;
            font-weight: 500;
        }

        .status-list .rank-heat {
            font-family: var(--font-num);
            font-size: 13px;
            font-weight: 700;
            color: var(--neon-cyan);
            background: rgba(29,200,216,0.1);
            padding: 3px 10px;
            border-radius: var(--radius-pill);
        }

        .hero-bottom-bar {
            margin-top: 36px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            background: rgba(255,255,255,0.1);
            backdrop-filter: blur(8px);
            border-radius: 14px;
            padding: 18px 24px;
            border: 1px solid rgba(255,255,255,0.25);
        }

        .hero-stat {
            text-align: center;
            color: #fff;
        }

        .hero-stat .stat-value {
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 700;
            color: var(--warm-gold);
            display: block;
            line-height: 1.2;
        }

        .hero-stat .stat-label {
            font-size: 13px;
            color: rgba(255,255,255,0.8);
            margin-top: 4px;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--space-section) 0;
            background-color: var(--bg-white);
        }

        .section-alt {
            background-color: var(--bg-page);
        }

        .section-deep {
            background-color: var(--deep-blue);
            color: #fff;
        }

        .section-header {
            margin-bottom: 36px;
            max-width: 720px;
        }

        .section-header .section-tag {
            display: inline-block;
            background: rgba(10,108,214,0.08);
            color: var(--primary-blue);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-header h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--deep-blue);
            line-height: 1.4;
            margin-bottom: 12px;
        }

        .section-header p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        .section-header .header-desc {
            font-size: 15px;
            line-height: 1.8;
        }

        /* ========== PAIN POINT ========== */
        .pain-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .pain-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 22px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .pain-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(10,108,214,0.25);
        }

        .pain-card .pain-icon {
            width: 42px;
            height: 42px;
            background: rgba(10,108,214,0.08);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
            color: var(--primary-blue);
            font-size: 20px;
        }

        .pain-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--deep-blue);
            margin-bottom: 8px;
        }

        .pain-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 20px;
            grid-column: 1 / -1;
        }

        .tag-cloud .tag {
            display: inline-block;
            background: var(--bg-page);
            color: var(--text-secondary);
            font-size: 13px;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-color);
            transition: all var(--transition);
            cursor: default;
        }

        .tag-cloud .tag:hover {
            background: rgba(10,108,214,0.06);
            color: var(--primary-blue);
            border-color: rgba(10,108,214,0.3);
            transform: translateY(-1px);
        }

        /* ========== SOLUTION ========== */
        .solution-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 36px;
            align-items: start;
        }

        .solution-intro {
            background: var(--deep-blue);
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
        }

        .solution-intro h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--warm-gold);
        }

        .solution-intro p {
            font-size: 15px;
            color: rgba(255,255,255,0.85);
            line-height: 1.8;
        }

        .solution-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-sm);
        }

        .solution-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            border-radius: var(--radius-sm);
            background: var(--bg-page);
            transition: all var(--transition);
        }

        .solution-item:hover {
            background: rgba(10,108,214,0.05);
            transform: translateX(4px);
        }

        .solution-item .bullet {
            width: 32px;
            height: 32px;
            background: var(--primary-blue);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
        }

        .solution-item .solution-text {
            flex: 1;
            font-size: 14px;
            color: var(--text-primary);
            font-weight: 500;
        }

        .solution-item .solution-tag {
            font-size: 12px;
            background: var(--warm-gold);
            color: var(--deep-blue);
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            font-weight: 700;
            flex-shrink: 0;
        }

        /* ========== CATEGORY GUIDE ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .category-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 22px;
            text-align: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            text-decoration: none;
            display: block;
        }

        .category-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(10,108,214,0.25);
            text-decoration: none;
        }

        .category-card .cat-icon {
            width: 52px;
            height: 52px;
            background: rgba(10,108,214,0.08);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            color: var(--primary-blue);
            font-size: 26px;
        }

        .category-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--deep-blue);
            margin-bottom: 6px;
        }

        .category-card p {
            font-size: 12px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== STEPS TIMELINE ========== */
        .steps-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .steps-timeline::before {
            content: '';
            position: absolute;
            top: 36px;
            left: 8%;
            right: 8%;
            height: 2px;
            background: var(--border-color);
            z-index: 0;
        }

        .step-node {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .step-node .step-circle {
            width: 72px;
            height: 72px;
            background: var(--bg-white);
            border: 3px solid var(--primary-blue);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-num);
            font-size: 28px;
            font-weight: 700;
            color: var(--primary-blue);
            margin: 0 auto 14px;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(10,108,214,0.15);
        }

        .step-node:hover .step-circle {
            background: var(--primary-blue);
            color: #fff;
            transform: scale(1.06);
            box-shadow: 0 6px 24px rgba(10,108,214,0.35);
        }

        .step-node h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--deep-blue);
            margin-bottom: 6px;
        }

        .step-node p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== DATA STATS ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .stat-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 22px;
            text-align: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .stat-card .stat-number {
            font-family: var(--font-num);
            font-size: 32px;
            font-weight: 700;
            color: var(--primary-blue);
            display: block;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-card .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .stat-card .stat-change {
            display: inline-block;
            font-size: 12px;
            background: #E8F5E9;
            color: #2E7D32;
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            margin-top: 8px;
            font-weight: 600;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-mosaic {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 18px;
        }

        .testimonial-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .testimonial-card.large {
            grid-row: span 2;
            padding: 28px;
        }

        .testimonial-card .quote-text {
            font-size: 15px;
            color: var(--text-primary);
            line-height: 1.8;
            margin-bottom: 16px;
            position: relative;
        }

        .testimonial-card .quote-text::before {
            content: '\201C';
            font-size: 40px;
            color: var(--warm-gold);
            position: absolute;
            left: -16px;
            top: -8px;
            opacity: 0.6;
        }

        .testimonial-card .quote-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            background: var(--primary-blue);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }

        .testimonial-card .author-info .author-name {
            font-size: 14px;
            font-weight: 700;
            color: var(--deep-blue);
        }

        .testimonial-card .author-info .author-meta {
            font-size: 12px;
            color: var(--text-secondary);
        }

        .testimonial-card .rating {
            color: var(--warm-gold);
            font-size: 14px;
            margin-bottom: 10px;
        }

        /* ========== AUDIENCE ========== */
        .audience-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .audience-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .audience-card .audience-icon {
            width: 40px;
            height: 40px;
            background: rgba(10,108,214,0.08);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-blue);
            flex-shrink: 0;
            font-size: 18px;
        }

        .audience-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--deep-blue);
            margin-bottom: 5px;
        }

        .audience-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== NEWS LIST ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 18px;
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .news-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
            border-left: 4px solid var(--primary-blue);
        }

        .news-item .news-date {
            font-family: var(--font-num);
            font-size: 14px;
            font-weight: 700;
            color: var(--primary-blue);
            width: 80px;
            flex-shrink: 0;
            text-align: right;
        }

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

        .news-item .news-content h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--deep-blue);
            margin-bottom: 4px;
        }

        .news-item .news-content p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        .news-item .news-source {
            font-size: 12px;
            color: var(--text-secondary);
            background: var(--bg-page);
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            flex-shrink: 0;
            margin-top: 4px;
        }

        /* ========== HEAT METRICS ========== */
        .heat-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .heat-bar-group {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 22px;
            box-shadow: var(--shadow-sm);
        }

        .heat-bar-item {
            margin-bottom: 16px;
        }

        .heat-bar-item:last-child {
            margin-bottom: 0;
        }

        .heat-bar-item .bar-label {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .heat-bar-item .bar-track {
            height: 8px;
            background: var(--bg-page);
            border-radius: var(--radius-pill);
            overflow: hidden;
        }

        .heat-bar-item .bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--primary-blue) 0%, var(--neon-cyan) 100%);
            border-radius: var(--radius-pill);
            transition: width 0.8s ease;
        }

        .heat-bar-item .bar-fill.gold {
            background: linear-gradient(90deg, var(--warm-gold) 0%, #E8C97A 100%);
        }

        .heat-bar-item .bar-fill.deep {
            background: linear-gradient(90deg, var(--deep-blue) 0%, var(--primary-blue) 100%);
        }

        .heat-compare {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 22px;
            box-shadow: var(--shadow-sm);
        }

        .heat-compare table {
            width: 100%;
            border-collapse: collapse;
        }

        .heat-compare th {
            text-align: left;
            font-size: 13px;
            font-weight: 700;
            color: var(--text-secondary);
            padding: 8px 4px;
            border-bottom: 2px solid var(--border-color);
        }

        .heat-compare td {
            font-size: 14px;
            padding: 10px 4px;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-primary);
        }

        .heat-compare .td-heat {
            font-family: var(--font-num);
            font-weight: 700;
            color: var(--primary-blue);
        }

        .heat-compare .td-status {
            font-size: 12px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            display: inline-block;
        }

        .td-status.hot {
            background: rgba(29,200,216,0.1);
            color: var(--neon-cyan);
        }

        .td-status.trending {
            background: rgba(212,175,90,0.15);
            color: #B8860B;
        }

        /* ========== GALLERY ========== */
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .gallery-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .gallery-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .gallery-card .gallery-img-wrapper {
            aspect-ratio: 16/10;
            overflow: hidden;
            background: var(--bg-page);
            position: relative;
        }

        .gallery-card .gallery-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

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

        .gallery-card .gallery-info {
            padding: 14px 16px;
        }

        .gallery-card .gallery-info h3 {
            font-size: 14px;
            font-weight: 700;
            color: var(--deep-blue);
            margin-bottom: 4px;
        }

        .gallery-card .gallery-info p {
            font-size: 12px;
            color: var(--text-secondary);
            margin: 0;
        }

        /* ========== RANKING ========== */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 18px;
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .ranking-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
        }

        .ranking-item .rank-position {
            font-family: var(--font-num);
            font-size: 22px;
            font-weight: 700;
            width: 40px;
            text-align: center;
            flex-shrink: 0;
        }

        .ranking-item .rank-position.pos-1 { color: #FFD700; }
        .ranking-item .rank-position.pos-2 { color: #A8A8A8; }
        .ranking-item .rank-position.pos-3 { color: #B87333; }
        .ranking-item .rank-position.pos-default { color: var(--text-secondary); font-size: 16px; }

        .ranking-item .rank-info {
            flex: 1;
        }

        .ranking-item .rank-info h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--deep-blue);
            margin-bottom: 2px;
        }

        .ranking-item .rank-info p {
            font-size: 12px;
            color: var(--text-secondary);
            margin: 0;
        }

        .ranking-item .rank-heat-value {
            font-family: var(--font-num);
            font-size: 14px;
            font-weight: 700;
            color: var(--primary-blue);
            flex-shrink: 0;
            text-align: right;
        }

        .ranking-item .rank-status {
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            flex-shrink: 0;
        }

        .rank-status.rising {
            background: rgba(29,200,216,0.12);
            color: var(--neon-cyan);
        }

        .rank-status.top {
            background: rgba(212,175,90,0.18);
            color: #B8860B;
        }

        /* ========== SAFETY RULES ========== */
        .rules-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .rule-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 18px;
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .rule-item .rule-icon {
            width: 40px;
            height: 40px;
            background: rgba(10,108,214,0.08);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-blue);
            flex-shrink: 0;
        }

        .rule-item h3 {
            font-size: 14px;
            font-weight: 700;
            color: var(--deep-blue);
            margin-bottom: 4px;
        }

        .rule-item p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

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

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

        .faq-item:hover {
            box-shadow: var(--shadow-hover);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 700;
            font-size: 15px;
            color: var(--deep-blue);
            transition: all var(--transition);
            user-select: none;
            gap: 12px;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
        }

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

        .faq-question .faq-toggle {
            flex-shrink: 0;
            font-size: 18px;
            color: var(--text-secondary);
            transition: transform var(--transition);
        }

        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
            color: var(--primary-blue);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 200px;
        }

        .faq-answer-inner {
            padding: 0 20px 16px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            background-image: url('/assets/images/backpic/back-6.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 64px 0;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20,33,61,0.92) 0%, rgba(10,108,214,0.82) 60%, rgba(20,33,61,0.7) 100%);
            z-index: 1;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255,255,255,0.85);
            max-width: 560px;
            margin: 0 auto 26px;
            line-height: 1.8;
        }

        .cta-section .cta-form {
            max-width: 380px;
            margin: 0 auto;
        }

        .cta-section .input-group {
            display: flex;
            gap: 10px;
            background: rgba(255,255,255,0.15);
            border-radius: var(--radius-pill);
            padding: 4px;
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255,255,255,0.3);
        }

        .cta-section .form-control {
            border-radius: var(--radius-pill);
            border: none;
            padding: 12px 18px;
            font-size: 14px;
            background: #fff;
            flex: 1;
        }

        .cta-section .form-control:focus {
            outline: 3px solid rgba(212,175,90,0.5);
            outline-offset: 0;
            box-shadow: none;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background-color: var(--deep-blue);
            color: rgba(255,255,255,0.8);
            padding: 48px 0 24px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .site-footer .footer-brand {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }

        .site-footer .footer-brand .logo-icon-small {
            width: 30px;
            height: 30px;
            background: var(--primary-blue);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            font-weight: 700;
        }

        .site-footer p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255,255,255,0.7);
            margin-bottom: 0;
        }

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

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

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

        .site-footer .footer-links a {
            color: rgba(255,255,255,0.7);
            font-size: 13px;
            transition: all var(--transition);
        }

        .site-footer .footer-links a:hover {
            color: var(--warm-gold);
            padding-left: 4px;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.15);
            padding-top: 18px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: rgba(255,255,255,0.55);
        }

        .site-footer .footer-bottom a {
            color: rgba(255,255,255,0.55);
        }

        .site-footer .footer-bottom a:hover {
            color: var(--warm-gold);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-right {
                max-width: 480px;
            }
            .hero-bottom-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-timeline {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px 16px;
            }
            .steps-timeline::before {
                display: none;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-mosaic {
                grid-template-columns: 1fr;
            }
            .testimonial-card.large {
                grid-row: auto;
            }
            .audience-grid {
                grid-template-columns: 1fr;
            }
            .gallery-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .heat-layout {
                grid-template-columns: 1fr;
            }
            .rules-grid {
                grid-template-columns: 1fr;
            }
            .solution-layout {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: auto;
                padding: 56px 0 40px;
            }
            .hero-left h1 {
                font-size: 27px;
            }
            .hero-bottom-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
                padding: 14px 16px;
            }
            .hero-stat .stat-value {
                font-size: 22px;
            }
            .hero-actions .btn-hero-primary,
            .hero-actions .btn-hero-secondary {
                padding: 11px 20px;
                font-size: 14px;
            }
            .section {
                padding: var(--space-section-mobile) 0;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .pain-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .category-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .steps-timeline {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .gallery-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .news-item {
                flex-direction: column;
                gap: 8px;
                padding: 14px;
            }
            .news-item .news-date {
                text-align: left;
                width: auto;
            }
            .ranking-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 12px 14px;
            }
            .ranking-item .rank-heat-value {
                text-align: left;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .btn-brand,
            .btn-brand-outline {
                padding: 8px 16px;
                font-size: 13px;
            }
            .navbar-logo {
                font-size: 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-left h1 {
                font-size: 23px;
            }
            .hero-left .hero-subtitle {
                font-size: 14px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn-hero-primary,
            .hero-actions .btn-hero-secondary {
                width: 100%;
                justify-content: center;
            }
            .hero-bottom-bar {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .hero-stat .stat-value {
                font-size: 19px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .cta-section .input-group {
                flex-direction: column;
                border-radius: var(--radius-md);
                padding: 8px;
            }
            .cta-section .form-control {
                border-radius: var(--radius-sm);
            }
            .section-header h2 {
                font-size: 20px;
            }
            .section-header .header-desc {
                font-size: 14px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}