/* roulang page: index */
:root {
            --primary: #0a2540;
            --primary-deep: #061a2f;
            --secondary: #00a66c;
            --secondary-light: #e6f7f0;
            --accent: #f5a623;
            --accent-light: #fff7eb;
            --bg: #ffffff;
            --bg-soft: #f6f9fc;
            --bg-deep: #0e2c47;
            --text: #1d2b36;
            --text-weak: #647482;
            --text-muted: #8c9aa8;
            --border: #e3eaf2;
            --border-strong: #cbd6e3;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 10px rgba(10, 37, 64, 0.05);
            --shadow-md: 0 8px 26px rgba(10, 37, 64, 0.08);
            --shadow-lg: 0 18px 50px rgba(10, 37, 64, 0.12);
            --shadow-green: 0 8px 24px rgba(0, 166, 108, 0.18);
            --transition: 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1240px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.72;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

        a:hover,
        a:focus {
            color: var(--secondary);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(0, 166, 108, 0.45);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        .row {
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
        }

        .row.wide {
            max-width: 1320px;
        }

        .container-pad {
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-pad {
            padding-top: 72px;
            padding-bottom: 72px;
        }

        .section-pad-sm {
            padding-top: 52px;
            padding-bottom: 52px;
        }

        .section-pad-lg {
            padding-top: 88px;
            padding-bottom: 88px;
        }

        .bg-soft {
            background: var(--bg-soft);
        }
        .bg-deep {
            background: var(--bg-deep);
        }
        .bg-white {
            background: #fff;
        }

        .text-white {
            color: #fff;
        }
        .text-white a {
            color: rgba(255, 255, 255, 0.82);
        }
        .text-white a:hover {
            color: #fff;
        }
        .text-center {
            text-align: center;
        }

        .section-title {
            font-size: clamp(1.65rem, 3.2vw, 2.3rem);
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-title.light {
            color: #fff;
        }
        .section-sub {
            font-size: 1.05rem;
            color: var(--text-weak);
            line-height: 1.75;
            max-width: 720px;
            margin-bottom: 36px;
        }
        .section-sub.light {
            color: rgba(255, 255, 255, 0.7);
        }
        .section-sub.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--secondary-light);
            color: var(--secondary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
        }
        .badge-tag.light {
            background: rgba(0, 166, 108, 0.16);
            color: #7de3bd;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 14px 30px;
            border-radius: 12px;
            border: 2px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
            box-shadow: var(--shadow-green);
        }
        .btn-primary:hover {
            background: #008f5b;
            border-color: #008f5b;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0, 166, 108, 0.28);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--border-strong);
        }
        .btn-outline:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.45);
        }
        .btn-outline-light:hover {
            background: #fff;
            border-color: #fff;
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
        }
        .btn-white:hover {
            background: #f0f4f8;
            border-color: #f0f4f8;
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 10px 20px;
            font-size: 0.85rem;
            border-radius: 10px;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
            border-radius: 14px;
        }

        .card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 28px;
            transition: all var(--transition);
            height: 100%;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
            transform: translateY(-4px);
        }
        .card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 18px;
            background: var(--secondary-light);
            color: var(--secondary);
        }
        .card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .card p {
            color: var(--text-weak);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Top Info Bar */
        .topbar {
            background: var(--primary-deep);
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.8rem;
            padding: 7px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .topbar .row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 6px 16px;
        }
        .topbar-left {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .topbar-left span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .topbar-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .topbar-right a {
            color: rgba(255, 255, 255, 0.78);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .topbar-right a:hover {
            color: #7de3bd;
        }

        /* Main Header / Nav */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 0 rgba(10, 37, 64, 0.04);
        }
        .site-header .row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            padding-bottom: 14px;
            gap: 20px;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .brand-logo .logo-badge {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            letter-spacing: -0.04em;
            flex-shrink: 0;
        }
        .brand-logo .logo-accent {
            color: var(--secondary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 10px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-weak);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: var(--bg-soft);
            color: var(--primary);
        }
        .main-nav a.active {
            background: var(--primary);
            color: #fff;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: 8px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--primary);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 8px;
        }

        /* Hero */
        .hero {
            background: var(--bg-deep);
            position: relative;
            overflow: hidden;
            min-height: 600px;
            display: flex;
            align-items: center;
            padding: 72px 24px 80px;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.16;
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(6, 26, 47, 0.88) 0%, rgba(10, 37, 64, 0.65) 50%, rgba(0, 76, 51, 0.35) 100%);
            z-index: 1;
        }
        .hero .row {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero-content {
            max-width: 680px;
        }
        .hero h1 {
            font-size: clamp(2rem, 5vw, 3.1rem);
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.015em;
            line-height: 1.22;
            margin-bottom: 22px;
        }
        .hero h1 .highlight {
            color: #7de3bd;
            position: relative;
            white-space: nowrap;
        }
        .hero p.lead {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.8;
            max-width: 580px;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }
        .hero-stats {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
        }
        .hero-stats .stat {
            display: flex;
            flex-direction: column;
        }
        .hero-stats .stat strong {
            font-size: 1.7rem;
            font-weight: 800;
            color: #fff;
        }
        .hero-stats .stat span {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }
        .hero-panel {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-lg);
            padding: 28px;
        }
        .hero-panel .panel-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero-panel .match-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
            gap: 12px;
            color: #fff;
            font-size: 0.9rem;
            font-weight: 500;
        }
        .hero-panel .match-row:last-child {
            border-bottom: none;
        }
        .hero-panel .score {
            font-weight: 800;
            background: rgba(0, 166, 108, 0.3);
            padding: 4px 12px;
            border-radius: 8px;
            color: #7de3bd;
            white-space: nowrap;
        }
        .hero-panel .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #ff4d4f;
            display: inline-block;
            margin-right: 6px;
            animation: pulse-dot 1.4s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.5);
            }
        }

        /* Feature grid */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-grid.two-col {
            grid-template-columns: repeat(2, 1fr);
        }
        .feature-grid.four-col {
            grid-template-columns: repeat(4, 1fr);
        }

        /* Icon bar */
        .icon-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .icon-bar .icon-item {
            padding: 22px 16px;
            border-radius: var(--radius-md);
            background: #fff;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .icon-bar .icon-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
            transform: translateY(-3px);
        }
        .icon-bar .icon-item i {
            font-size: 2rem;
            color: var(--secondary);
            margin-bottom: 10px;
        }
        .icon-bar .icon-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .icon-bar .icon-item p {
            font-size: 0.85rem;
            color: var(--text-weak);
            margin: 0;
        }

        /* Split layout */
        .split-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .split-layout.reverse {
            direction: rtl;
        }
        .split-layout.reverse > * {
            direction: ltr;
        }
        .split-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .split-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 300px;
        }
        .split-image .img-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 40px 28px 20px;
            background: linear-gradient(to top, rgba(6, 26, 47, 0.75), transparent);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .step-card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 28px;
            position: relative;
            transition: all var(--transition);
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            margin-bottom: 16px;
        }
        .step-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .step-card p {
            font-size: 0.92rem;
            color: var(--text-weak);
            margin: 0;
        }

        /* News list */
        .news-list {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 32px;
            align-items: start;
        }
        .news-main .news-item {
            display: flex;
            gap: 20px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
        }
        .news-main .news-item:hover {
            padding-left: 8px;
        }
        .news-date {
            flex-shrink: 0;
            width: 70px;
            text-align: center;
            background: var(--bg-soft);
            border-radius: 10px;
            padding: 10px 6px;
            height: fit-content;
        }
        .news-date strong {
            display: block;
            font-size: 1.3rem;
            color: var(--primary);
            line-height: 1.2;
        }
        .news-date span {
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        .news-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
            line-height: 1.45;
        }
        .news-body p {
            font-size: 0.9rem;
            color: var(--text-weak);
            margin-bottom: 10px;
            line-height: 1.65;
        }
        .news-side .side-card {
            background: var(--primary);
            border-radius: var(--radius-md);
            padding: 24px;
            color: #fff;
            margin-bottom: 16px;
        }
        .news-side .side-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }
        .news-side .side-card p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 0;
        }
        .news-side .side-links {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 20px;
            box-shadow: var(--shadow-sm);
        }
        .news-side .side-links h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .news-side .side-links a {
            display: block;
            padding: 8px 0;
            font-size: 0.88rem;
            color: var(--text-weak);
            border-bottom: 1px dashed var(--border);
            transition: all var(--transition);
        }
        .news-side .side-links a:last-child {
            border-bottom: none;
        }
        .news-side .side-links a:hover {
            color: var(--secondary);
            padding-left: 6px;
        }

        /* Changelog / version updates */
        .changelog-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .changelog-item {
            display: flex;
            gap: 18px;
            padding: 16px 20px;
            border-left: 3px solid var(--secondary);
            background: #fff;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin-bottom: 12px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .changelog-item:hover {
            box-shadow: var(--shadow-md);
        }
        .changelog-ver {
            flex-shrink: 0;
            font-weight: 700;
            color: var(--secondary);
            font-size: 0.9rem;
            min-width: 70px;
            padding-top: 2px;
        }
        .changelog-body h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .changelog-body p {
            font-size: 0.85rem;
            color: var(--text-weak);
            margin: 0;
        }

        /* FAQ */
        .faq-list {
            max-width: 840px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-strong);
        }
        .faq-item summary {
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 700;
            color: var(--primary);
            font-size: 0.98rem;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            flex-shrink: 0;
            color: var(--secondary);
            transition: transform var(--transition);
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 22px 20px;
            font-size: 0.92rem;
            color: var(--text-weak);
            line-height: 1.75;
        }

        /* Form */
        .form-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            padding: 36px;
            max-width: 560px;
            margin: 0 auto;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: 10px;
            font-size: 0.95rem;
            transition: all var(--transition);
            background: #fff;
            color: var(--text);
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--secondary);
            outline: none;
            box-shadow: 0 0 0 4px rgba(0, 166, 108, 0.1);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .form-hint {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 6px;
        }
        .form-card .form-title {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .form-card .form-sub {
            font-size: 0.92rem;
            color: var(--text-weak);
            margin-bottom: 24px;
        }

        /* CTA band */
        .cta-band {
            background: var(--primary-deep);
            border-radius: var(--radius-lg);
            padding: 44px 40px;
            color: #fff;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 32px;
            align-items: center;
            position: relative;
            overflow: hidden;
        }
        .cta-band::after {
            content: '';
            position: absolute;
            right: -80px;
            top: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(0, 166, 108, 0.15);
            pointer-events: none;
        }
        .cta-band h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-band p {
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.95rem;
            margin: 0;
            max-width: 500px;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-deep);
            color: rgba(255, 255, 255, 0.65);
            padding: 56px 0 28px;
            font-size: 0.88rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 28px;
        }
        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .site-footer .footer-brand .logo-accent {
            color: #7de3bd;
        }
        .site-footer .footer-desc {
            max-width: 320px;
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .site-footer h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer ul {
            list-style: none;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            transition: all var(--transition);
        }
        .site-footer ul li a:hover {
            color: #7de3bd;
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
        }
        .footer-bottom .footer-links a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom .footer-links a:hover {
            color: #fff;
        }

        /* Badge pills */
        .badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent-light);
            color: #b8730f;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 50px;
        }
        .badge-pill.green {
            background: var(--secondary-light);
            color: var(--secondary);
        }

        /* Data table-like list */
        .data-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .data-list li {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
        }
        .data-list li:last-child {
            border-bottom: none;
        }
        .data-list li i {
            color: var(--secondary);
            flex-shrink: 0;
        }
        .data-list li span {
            font-size: 0.92rem;
            color: var(--text);
        }

        /* Brand intro block */
        .brand-intro {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }
        .brand-intro h3 {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 14px;
        }
        .brand-intro p {
            color: var(--text-weak);
            font-size: 0.98rem;
            line-height: 1.85;
            margin-bottom: 0;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-grid.four-col {
                grid-template-columns: repeat(2, 1fr);
            }
            .icon-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .split-layout {
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .section-pad {
                padding-top: 52px;
                padding-bottom: 52px;
            }
            .section-pad-lg {
                padding-top: 60px;
                padding-bottom: 60px;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                box-shadow: var(--shadow-md);
                z-index: 99;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                justify-content: flex-start;
                padding: 12px 16px;
                font-size: 1rem;
            }
            .nav-toggle {
                display: block;
            }
            .nav-cta {
                display: none;
            }
            .feature-grid,
            .feature-grid.two-col,
            .feature-grid.four-col {
                grid-template-columns: 1fr;
            }
            .icon-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .split-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .split-layout.reverse {
                direction: ltr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .cta-band {
                grid-template-columns: 1fr;
                text-align: center;
                padding: 32px 24px;
            }
            .cta-band p {
                margin-left: auto;
                margin-right: auto;
            }
            .hero {
                min-height: auto;
                padding: 52px 24px 60px;
            }
            .hero-stats {
                gap: 20px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .topbar .row {
                flex-direction: column;
                align-items: flex-start;
            }
            .brand-intro {
                padding: 24px;
            }
            .form-card {
                padding: 24px;
            }
        }

        @media (max-width: 520px) {
            .container-pad {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-pad {
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .hero h1 {
                font-size: 1.75rem;
            }
            .hero p.lead {
                font-size: 1rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }
            .hero-stats {
                gap: 14px;
            }
            .icon-bar {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .news-main .news-item {
                flex-direction: column;
                gap: 10px;
            }
            .news-date {
                width: 60px;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .brand-logo {
                font-size: 1.2rem;
            }
            .brand-logo .logo-badge {
                width: 38px;
                height: 38px;
                font-size: 1.1rem;
            }
        }

/* roulang page: category1 */
:root {
        --primary: #0a2540;
        --primary-deep: #061a2f;
        --secondary: #00a66c;
        --secondary-light: #e6f7f0;
        --accent: #f5a623;
        --accent-light: #fff7eb;
        --bg: #ffffff;
        --bg-soft: #f6f9fc;
        --bg-deep: #0e2c47;
        --text: #1d2b36;
        --text-weak: #647482;
        --text-muted: #8c9aa8;
        --border: #e3eaf2;
        --border-strong: #cbd6e3;
        --radius-sm: 8px;
        --radius-md: 14px;
        --radius-lg: 20px;
        --radius-xl: 28px;
        --shadow-sm: 0 2px 10px rgba(10,37,64,0.05);
        --shadow-md: 0 8px 26px rgba(10,37,64,0.08);
        --shadow-lg: 0 18px 50px rgba(10,37,64,0.12);
        --shadow-green: 0 8px 24px rgba(0,166,108,0.18);
        --transition: 0.28s cubic-bezier(0.25,0.46,0.45,0.94);
        --font-sans: 'PingFang SC','Microsoft YaHei','Noto Sans SC','Helvetica Neue',Arial,sans-serif;
        --container-max: 1240px;
    }
    html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
    body {
        font-family: var(--font-sans);
        background: var(--bg);
        color: var(--text);
        line-height: 1.72;
        font-size: 16px;
        min-height: 100vh;
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    img { max-width: 100%; height: auto; display: block; border: 0; }
    a { color: var(--primary); text-decoration: none; transition: color var(--transition), opacity var(--transition); }
    a:hover, a:focus { color: var(--secondary); text-decoration: none; }
    a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
        outline: 3px solid rgba(0,166,108,0.45);
        outline-offset: 2px;
        border-radius: 4px;
    }
    button, input, select, textarea { font-family: inherit; font-size: inherit; line-height: inherit; }
    .row { max-width: var(--container-max); margin-left: auto; margin-right: auto; }
    .row.wide { max-width: 1320px; }
    .container-pad { padding-left: 24px; padding-right: 24px; }
    .section-pad { padding-top: 72px; padding-bottom: 72px; }
    .section-pad-sm { padding-top: 52px; padding-bottom: 52px; }
    .section-pad-lg { padding-top: 88px; padding-bottom: 88px; }
    .text-center { text-align: center; }
    .section-title { font-size: clamp(1.65rem,3.2vw,2.3rem); font-weight: 700; color: var(--primary); letter-spacing: -0.01em; margin-bottom: 12px; line-height: 1.3; }
    .section-title.light { color: #fff; }
    .section-sub { font-size: 1.05rem; color: var(--text-weak); line-height: 1.75; max-width: 720px; margin-bottom: 36px; }
    .section-sub.light { color: rgba(255,255,255,0.7); }
    .section-sub.center { margin-left: auto; margin-right: auto; text-align: center; }
    .badge-tag { display: inline-flex; align-items: center; gap: 8px; background: var(--secondary-light); color: var(--secondary); font-size: 0.8rem; font-weight: 600; padding: 6px 16px; border-radius: 50px; letter-spacing: 0.03em; margin-bottom: 16px; }
    .badge-tag.light { background: rgba(0,166,108,0.16); color: #7de3bd; }
    .btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; font-weight: 600; font-size: 0.95rem; padding: 14px 30px; border-radius: 12px; border: 2px solid transparent; cursor: pointer; transition: all var(--transition); line-height: 1.4; text-align: center; white-space: nowrap; }
    .btn-primary { background: var(--secondary); color: #fff; border-color: var(--secondary); box-shadow: var(--shadow-green); }
    .btn-primary:hover { background: #008f5b; border-color: #008f5b; color: #fff; transform: translateY(-2px); box-shadow: 0 12px 32px rgba(0,166,108,0.28); }
    .btn-outline { background: transparent; color: var(--primary); border-color: var(--border-strong); }
    .btn-outline:hover { background: var(--primary); border-color: var(--primary); color: #fff; transform: translateY(-2px); }
    .btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.45); }
    .btn-outline-light:hover { background: #fff; border-color: #fff; color: var(--primary); transform: translateY(-2px); }
    .btn-white { background: #fff; color: var(--primary); border-color: #fff; box-shadow: 0 8px 24px rgba(0,0,0,0.15); }
    .btn-white:hover { background: var(--secondary-light); border-color: var(--secondary-light); color: var(--primary); transform: translateY(-2px); }
    .btn-sm { padding: 10px 22px; font-size: 0.88rem; }
    .btn-lg { padding: 16px 40px; font-size: 1.05rem; }
    
    /* Header */
    .site-header { background: #fff; border-bottom: 1px solid var(--border); box-shadow: var(--shadow-sm); position: sticky; top: 0; z-index: 999; }
    .site-header .row { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 12px; padding-bottom: 12px; }
    .brand-logo { display: flex; align-items: center; gap: 10px; font-size: 1.35rem; font-weight: 700; color: var(--primary); }
    .brand-logo:hover { color: var(--primary); }
    .logo-badge { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; background: var(--secondary); color: #fff; border-radius: 10px; font-size: 0.9rem; font-weight: 700; letter-spacing: 0.05em; }
    .logo-accent { color: var(--secondary); }
    .main-nav { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
    .main-nav a { display: inline-flex; align-items: center; gap: 6px; font-size: 0.88rem; font-weight: 500; color: var(--text-weak); padding: 8px 14px; border-radius: 8px; transition: all var(--transition); }
    .main-nav a:hover { color: var(--primary); background: var(--bg-soft); }
    .main-nav a.active { background: var(--secondary-light); color: var(--secondary); font-weight: 600; }
    .nav-cta { display: flex; align-items: center; gap: 10px; }
    .nav-toggle { display: none; background: none; border: none; font-size: 1.4rem; color: var(--primary); cursor: pointer; padding: 6px; }
    
    /* Hero Section - Match Data */
    .match-hero { position: relative; background: var(--bg-deep); color: #fff; overflow: hidden; }
    .match-hero::before { content: ''; position: absolute; top: 0; right: 0; width: 65%; height: 100%; background: linear-gradient(135deg, rgba(10,37,64,0) 0%, rgba(0,166,108,0.12) 100%); z-index: 1; }
    .match-hero::after { content: ''; position: absolute; bottom: -80px; left: -80px; width: 350px; height: 350px; background: radial-gradient(circle, rgba(0,166,108,0.14) 0%, rgba(0,166,108,0) 70%); z-index: 1; }
    .match-hero .row { position: relative; z-index: 2; }
    .match-hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; padding-top: 80px; padding-bottom: 80px; }
    .match-hero-title { font-size: clamp(2rem, 4.5vw, 3.1rem); font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; margin-bottom: 18px; color: #fff; }
    .match-hero-title .highlight { color: #7de3bd; }
    .match-hero-sub { font-size: 1.1rem; color: rgba(255,255,255,0.72); line-height: 1.8; max-width: 560px; margin-bottom: 30px; }
    .hero-sell-list { list-style: none; margin: 0 0 28px; padding: 0; display: flex; flex-direction: column; gap: 10px; }
    .hero-sell-list li { display: flex; align-items: center; gap: 10px; font-size: 0.95rem; color: rgba(255,255,255,0.85); }
    .hero-sell-list li i { color: #7de3bd; font-size: 0.85rem; }
    .hero-cta-group { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 24px; }
    .hero-trust { display: flex; flex-wrap: wrap; gap: 22px; align-items: center; }
    .hero-trust-item { display: flex; align-items: center; gap: 6px; font-size: 0.82rem; color: rgba(255,255,255,0.55); }
    .hero-trust-item i { color: #f5a623; }
    .match-hero-visual { display: flex; flex-direction: column; gap: 18px; }
    .match-hero-img-wrap { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.3); border: 1px solid rgba(255,255,255,0.08); }
    .match-hero-img-wrap img { width: 100%; height: 300px; object-fit: cover; }
    .match-hero-img-overlay { position: absolute; bottom: 0; left: 0; right: 0; padding: 30px 24px; background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(6,26,47,0.85) 100%); }
    .match-hero-img-overlay span { display: block; font-size: 0.75rem; color: #7de3bd; font-weight: 600; margin-bottom: 4px; }
    .match-hero-img-overlay strong { font-size: 1.1rem; color: #fff; }
    .hero-stat-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .hero-stat-mini { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-md); padding: 16px 18px; display: flex; flex-direction: column; }
    .hero-stat-mini strong { font-size: 1.4rem; color: #fff; font-weight: 700; }
    .hero-stat-mini span { font-size: 0.75rem; color: rgba(255,255,255,0.55); }
    
    /* Section 2: Data Overview */
    .data-overview { background: #fff; }
    .overview-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 16px; }
    .overview-card { background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px 24px; transition: all var(--transition); }
    .overview-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--border-strong); }
    .overview-icon { display: inline-flex; align-items: center; justify-content: center; width: 48px; height: 48px; background: var(--secondary-light); color: var(--secondary); border-radius: 12px; font-size: 1.3rem; margin-bottom: 16px; }
    .overview-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
    .overview-card p { font-size: 0.9rem; color: var(--text-weak); line-height: 1.7; margin: 0; }
    
    /* Section 3: Core Data Dimensions */
    .core-data { background: var(--bg-soft); }
    .core-data-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
    .core-data-card { background: #fff; border-radius: var(--radius-lg); padding: 32px 28px; border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: all var(--transition); position: relative; overflow: hidden; }
    .core-data-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); border-color: var(--border-strong); }
    .core-data-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--secondary), #7de3bd); }
    .core-data-card h3 { font-size: 1.25rem; font-weight: 700; color: var(--primary); margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
    .core-data-card h3 i { color: var(--secondary); font-size: 1.15rem; }
    .core-data-card p { font-size: 0.92rem; color: var(--text-weak); line-height: 1.75; margin-bottom: 16px; }
    .core-metrics { display: flex; flex-wrap: wrap; gap: 8px; }
    .core-metrics .metric-pill { display: inline-block; font-size: 0.78rem; background: var(--secondary-light); color: var(--secondary); padding: 5px 12px; border-radius: 50px; font-weight: 500; }
    .core-metrics .metric-pill.alt { background: var(--accent-light); color: var(--accent); }
    
    /* Section 4: Use Cases */
    .use-cases { background: #fff; }
    .use-cases-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 16px; }
    .use-case-item { text-align: left; background: var(--bg-soft); border-radius: var(--radius-md); padding: 24px 20px; transition: all var(--transition); border: 1px solid transparent; }
    .use-case-item:hover { border-color: var(--secondary); box-shadow: var(--shadow-sm); transform: translateY(-3px); }
    .use-case-item .uc-num { font-size: 0.75rem; font-weight: 700; color: var(--secondary); letter-spacing: 0.05em; }
    .use-case-item h4 { font-size: 1rem; font-weight: 700; color: var(--primary); margin: 8px 0 6px; }
    .use-case-item p { font-size: 0.84rem; color: var(--text-weak); line-height: 1.65; margin: 0; }
    
    /* Section 5: Data Advantage */
    .data-advantage { background: var(--bg-deep); color: #fff; position: relative; overflow: hidden; }
    .data-advantage::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat; opacity: 0.06; z-index: 1; }
    .data-advantage .row { position: relative; z-index: 2; }
    .advantage-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: center; }
    .advantage-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 18px; }
    .advantage-list li { display: flex; align-items: flex-start; gap: 14px; font-size: 0.95rem; color: rgba(255,255,255,0.8); line-height: 1.7; }
    .advantage-list li .adv-icon { flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; background: rgba(0,166,108,0.2); color: #7de3bd; border-radius: 50%; font-size: 0.9rem; }
    .advantage-visual { display: flex; flex-direction: column; gap: 16px; }
    .advantage-img-wrap { border-radius: var(--radius-lg); overflow: hidden; box-shadow: 0 20px 50px rgba(0,0,0,0.3); }
    .advantage-img-wrap img { width: 100%; height: 240px; object-fit: cover; }
    .advantage-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .advantage-stat { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-md); padding: 18px 16px; text-align: center; }
    .advantage-stat strong { display: block; font-size: 1.8rem; font-weight: 700; color: #7de3bd; }
    .advantage-stat span { font-size: 0.78rem; color: rgba(255,255,255,0.55); }
    
    /* Section 6: Workflow */
    .workflow { background: var(--bg-soft); }
    .workflow-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 24px; }
    .step-card { background: #fff; border-radius: var(--radius-md); padding: 26px 22px; border: 1px solid var(--border); position: relative; transition: all var(--transition); }
    .step-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
    .step-num { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; background: var(--secondary); color: #fff; border-radius: 50%; font-size: 0.9rem; font-weight: 700; margin-bottom: 14px; }
    .step-card h4 { font-size: 1rem; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
    .step-card p { font-size: 0.84rem; color: var(--text-weak); line-height: 1.65; margin: 0; }
    
    /* Section 7: Case Studies */
    .case-studies { background: #fff; }
    .case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .case-card { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: all var(--transition); }
    .case-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
    .case-card-img { position: relative; height: 160px; overflow: hidden; }
    .case-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
    .case-card:hover .case-card-img img { transform: scale(1.04); }
    .case-card-body { padding: 22px 20px; }
    .case-tag { display: inline-block; font-size: 0.72rem; font-weight: 600; background: var(--secondary-light); color: var(--secondary); padding: 4px 12px; border-radius: 50px; margin-bottom: 10px; }
    .case-card-body h4 { font-size: 1.05rem; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
    .case-card-body p { font-size: 0.84rem; color: var(--text-weak); line-height: 1.6; margin: 0; }
    
    /* Section 8: FAQ */
    .faq-section { background: var(--bg-soft); }
    .faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
    .faq-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 22px 24px; transition: all var(--transition); }
    .faq-item:hover { border-color: var(--secondary); box-shadow: var(--shadow-sm); }
    .faq-item h4 { font-size: 1rem; font-weight: 700; color: var(--primary); margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
    .faq-item h4 i { color: var(--secondary); font-size: 0.9rem; }
    .faq-item p { font-size: 0.9rem; color: var(--text-weak); line-height: 1.7; margin: 0; }
    
    /* Section 9: CTA */
    .cta-section { background: linear-gradient(135deg, var(--primary-deep) 0%, var(--bg-deep) 100%); color: #fff; }
    .cta-inner { text-align: center; max-width: 700px; margin: 0 auto; }
    .cta-inner h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; color: #fff; margin-bottom: 14px; }
    .cta-inner p { font-size: 1rem; color: rgba(255,255,255,0.7); line-height: 1.75; margin-bottom: 28px; }
    .cta-inner .btn { font-size: 1rem; padding: 16px 40px; }
    
    /* Footer */
    .site-footer { background: var(--primary-deep); color: rgba(255,255,255,0.7); padding-top: 52px; padding-bottom: 24px; }
    .site-footer .row { padding-top: 0; padding-bottom: 0; }
    .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,0.08); margin-bottom: 24px; }
    .footer-brand { font-size: 1.25rem; font-weight: 700; color: #fff; margin-bottom: 12px; }
    .footer-desc { font-size: 0.84rem; color: rgba(255,255,255,0.5); line-height: 1.7; }
    .footer-grid h5 { font-size: 0.9rem; font-weight: 700; color: #fff; margin-bottom: 14px; }
    .footer-grid ul { list-style: none; margin: 0; padding: 0; }
    .footer-grid ul li { margin-bottom: 8px; }
    .footer-grid ul li a { font-size: 0.84rem; color: rgba(255,255,255,0.55); transition: color var(--transition); }
    .footer-grid ul li a:hover { color: #7de3bd; }
    .footer-bottom { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; font-size: 0.78rem; color: rgba(255,255,255,0.4); }
    .footer-links { display: flex; gap: 14px; }
    .footer-links a { color: rgba(255,255,255,0.45); font-size: 0.82rem; transition: color var(--transition); }
    .footer-links a:hover { color: #7de3bd; }
    
    /* Responsive */
    @media (max-width: 1024px) {
        .match-hero-inner { grid-template-columns: 1fr; gap: 40px; padding-top: 60px; padding-bottom: 60px; }
        .match-hero-sub { max-width: 100%; }
        .use-cases-grid { grid-template-columns: repeat(2, 1fr); }
        .advantage-grid { grid-template-columns: 1fr; gap: 40px; }
        .workflow-steps { grid-template-columns: repeat(2, 1fr); }
        .case-grid { grid-template-columns: repeat(2, 1fr); }
        .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
    }
    @media (max-width: 768px) {
        .site-header .row { flex-wrap: wrap; gap: 10px; }
        .main-nav { display: none; width: 100%; flex-direction: column; align-items: stretch; gap: 4px; padding-top: 10px; }
        .main-nav.open { display: flex; }
        .main-nav a { padding: 12px 14px; }
        .nav-toggle { display: block; }
        .nav-cta { display: none; }
        .container-pad { padding-left: 16px; padding-right: 16px; }
        .section-pad { padding-top: 56px; padding-bottom: 56px; }
        .match-hero-inner { padding-top: 48px; padding-bottom: 48px; }
        .match-hero-title { font-size: 1.8rem; }
        .hero-stat-strip { grid-template-columns: repeat(3, 1fr); gap: 8px; }
        .hero-stat-mini { padding: 12px; }
        .overview-grid { grid-template-columns: 1fr; }
        .core-data-grid { grid-template-columns: 1fr; }
        .use-cases-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
        .workflow-steps { grid-template-columns: 1fr 1fr; gap: 12px; }
        .case-grid { grid-template-columns: 1fr; }
        .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
        .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
    }
    @media (max-width: 520px) {
        .match-hero-title { font-size: 1.5rem; }
        .match-hero-sub { font-size: 0.95rem; }
        .hero-cta-group { flex-direction: column; }
        .hero-cta-group .btn { width: 100%; }
        .hero-trust { gap: 12px; }
        .use-cases-grid { grid-template-columns: 1fr; }
        .workflow-steps { grid-template-columns: 1fr; }
        .advantage-stats { grid-template-columns: repeat(3, 1fr); gap: 6px; }
        .advantage-stat { padding: 10px 8px; }
        .advantage-stat strong { font-size: 1.2rem; }
        .footer-grid { grid-template-columns: 1fr; gap: 18px; }
        .section-title { font-size: 1.4rem; }
    }

/* roulang page: category3 */
:root {
            --primary: #0a2540;
            --primary-deep: #061a2f;
            --secondary: #00a66c;
            --secondary-light: #e6f7f0;
            --accent: #f5a623;
            --accent-light: #fff7eb;
            --bg: #ffffff;
            --bg-soft: #f6f9fc;
            --bg-deep: #0e2c47;
            --text: #1d2b36;
            --text-weak: #647482;
            --text-muted: #8c9aa8;
            --border: #e3eaf2;
            --border-strong: #cbd6e3;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 10px rgba(10, 37, 64, 0.05);
            --shadow-md: 0 8px 26px rgba(10, 37, 64, 0.08);
            --shadow-lg: 0 18px 50px rgba(10, 37, 64, 0.12);
            --shadow-green: 0 8px 24px rgba(0, 166, 108, 0.18);
            --transition: 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1240px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.72;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), opacity var(--transition);
        }
        a:hover,
        a:focus {
            color: var(--secondary);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(0, 166, 108, 0.45);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        .row {
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
        }
        .row.wide {
            max-width: 1320px;
        }
        .container-pad {
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-pad {
            padding-top: 72px;
            padding-bottom: 72px;
        }
        .section-pad-sm {
            padding-top: 52px;
            padding-bottom: 52px;
        }
        .section-pad-lg {
            padding-top: 88px;
            padding-bottom: 88px;
        }
        .text-white {
            color: #fff;
        }
        .text-white a {
            color: rgba(255, 255, 255, 0.82);
        }
        .text-white a:hover {
            color: #fff;
        }
        .text-center {
            text-align: center;
        }
        .section-title {
            font-size: clamp(1.65rem, 3.2vw, 2.3rem);
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-title.light {
            color: #fff;
        }
        .section-sub {
            font-size: 1.05rem;
            color: var(--text-weak);
            line-height: 1.75;
            max-width: 720px;
            margin-bottom: 36px;
        }
        .section-sub.light {
            color: rgba(255, 255, 255, 0.7);
        }
        .section-sub.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--secondary-light);
            color: var(--secondary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
        }
        .badge-tag.light {
            background: rgba(0, 166, 108, 0.16);
            color: #7de3bd;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 14px 30px;
            border-radius: 12px;
            border: 2px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
            box-shadow: var(--shadow-green);
        }
        .btn-primary:hover {
            background: #008f5b;
            border-color: #008f5b;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0, 166, 108, 0.28);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--border-strong);
        }
        .btn-outline:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.45);
        }
        .btn-outline-light:hover {
            background: #fff;
            border-color: #fff;
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
        }
        .btn-white:hover {
            background: var(--bg-soft);
            border-color: var(--bg-soft);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 16px 38px;
            font-size: 1.05rem;
            border-radius: 14px;
        }
        .btn-sm {
            padding: 10px 20px;
            font-size: 0.85rem;
            border-radius: 10px;
        }
        .btn-block {
            width: 100%;
        }

        /* Header */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-sm);
        }
        .site-header .row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            min-height: 72px;
            flex-wrap: wrap;
            padding-top: 10px;
            padding-bottom: 10px;
        }
        .top-bar-strip {
            background: var(--primary-deep);
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.78rem;
            padding: 7px 0;
            letter-spacing: 0.02em;
        }
        .top-bar-strip .row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .top-bar-strip a {
            color: rgba(255, 255, 255, 0.7);
        }
        .top-bar-strip a:hover {
            color: #fff;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .brand-logo .logo-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 12px;
            font-size: 0.95rem;
            font-weight: 800;
            letter-spacing: 0.02em;
        }
        .brand-logo .logo-accent {
            color: var(--secondary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 26px;
            flex-wrap: wrap;
        }
        .main-nav a {
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-weak);
            padding: 6px 2px;
            position: relative;
            transition: color var(--transition);
            white-space: nowrap;
        }
        .main-nav a::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary);
            transition: width var(--transition);
            border-radius: 2px;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--primary);
        }
        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }
        .main-nav a.active {
            font-weight: 600;
        }
        .main-nav a i {
            font-size: 0.82rem;
            color: var(--secondary);
            margin-right: 4px;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 0;
            font-size: 1.5rem;
            color: var(--primary);
            cursor: pointer;
            padding: 8px 12px;
            border-radius: 8px;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: var(--bg-soft);
        }

        /* Hero */
        .hero-odds {
            position: relative;
            background: var(--primary-deep);
            overflow: hidden;
        }
        .hero-odds::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.2;
            z-index: 0;
        }
        .hero-odds::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(6, 26, 47, 0.92) 0%, rgba(10, 37, 64, 0.72) 50%, rgba(0, 166, 108, 0.35) 100%);
            z-index: 1;
        }
        .hero-odds .row {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
            padding-top: 80px;
            padding-bottom: 80px;
        }
        .hero-odds-main {
            flex: 1 1 520px;
            max-width: 620px;
        }
        .hero-odds-side {
            flex: 0 0 340px;
            max-width: 340px;
        }
        .hero-odds h1 {
            color: #fff;
            font-size: clamp(1.9rem, 4.2vw, 2.9rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 18px;
        }
        .hero-odds h1 .accent-text {
            color: var(--secondary);
        }
        .hero-odds p.hero-desc {
            color: rgba(255, 255, 255, 0.78);
            font-size: 1.08rem;
            line-height: 1.75;
            margin-bottom: 28px;
            max-width: 560px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }
        .group-panel {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        .group-panel .panel-label {
            font-size: 0.78rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 10px;
            font-weight: 600;
        }
        .group-panel .group-count {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }
        .group-panel .group-count span {
            color: var(--accent);
            font-size: 1.1rem;
            font-weight: 500;
        }
        .group-panel .progress-track {
            height: 6px;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 3px;
            margin-top: 12px;
            overflow: hidden;
        }
        .group-panel .progress-fill {
            height: 100%;
            background: var(--secondary);
            border-radius: 3px;
            transition: width 0.4s ease;
        }
        .group-panel .member-hint {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 10px;
        }
        .group-panel .panel-action {
            margin-top: 16px;
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        /* Card System */
        .card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            overflow: hidden;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
        }
        .card-body {
            padding: 24px;
        }
        .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .card-text {
            font-size: 0.92rem;
            color: var(--text-weak);
            line-height: 1.7;
        }
        .card-media {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }
        .card-media img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: transform var(--transition);
        }
        .card:hover .card-media img {
            transform: scale(1.04);
        }
        .card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: var(--secondary-light);
            color: var(--secondary);
            border-radius: 12px;
            font-size: 1.3rem;
            margin-bottom: 14px;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-grid.two-col {
            grid-template-columns: repeat(2, 1fr);
        }
        .feature-grid.four-col {
            grid-template-columns: repeat(4, 1fr);
        }

        /* Stat Block */
        .stat-strip {
            background: var(--bg-soft);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .stat-strip .stat-item {
            padding: 8px;
        }
        .stat-strip .stat-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-strip .stat-value .small {
            font-size: 1rem;
            color: var(--secondary);
        }
        .stat-strip .stat-label {
            font-size: 0.88rem;
            color: var(--text-weak);
            margin-top: 4px;
        }

        /* Process Steps */
        .steps-list {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            counter-reset: step;
        }
        .step-item {
            flex: 1 1 200px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            position: relative;
            transition: all var(--transition);
        }
        .step-item:hover {
            border-color: var(--secondary);
            box-shadow: var(--shadow-md);
        }
        .step-item .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--secondary);
            color: #fff;
            border-radius: 50%;
            font-weight: 700;
            font-size: 0.9rem;
            margin-bottom: 12px;
        }
        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 0.9rem;
            color: var(--text-weak);
            line-height: 1.65;
        }

        /* Deep Content Area */
        .deep-content {
            background: var(--bg-soft);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            border: 1px solid var(--border);
        }
        .deep-content h3 {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 18px;
            line-height: 1.4;
        }
        .deep-content p {
            font-size: 1rem;
            color: var(--text-weak);
            line-height: 1.85;
            margin-bottom: 16px;
        }
        .deep-content ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .deep-content ul li {
            position: relative;
            padding-left: 28px;
            font-size: 0.95rem;
            color: var(--text-weak);
            line-height: 1.75;
            margin-bottom: 12px;
        }
        .deep-content ul li::before {
            content: "\f058";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 1px;
            color: var(--secondary);
            font-size: 0.9rem;
        }

        /* Case Cards */
        .case-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
        }
        .case-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .case-card .case-img {
            height: 160px;
            overflow: hidden;
        }
        .case-card .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .case-card .case-body {
            padding: 22px;
        }
        .case-card .case-tag {
            display: inline-block;
            background: var(--accent-light);
            color: #b36b00;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 50px;
            margin-bottom: 10px;
        }
        .case-card h4 {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .case-card p {
            font-size: 0.9rem;
            color: var(--text-weak);
            line-height: 1.65;
        }

        /* Pricing */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .price-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            text-align: center;
            transition: all var(--transition);
            position: relative;
        }
        .price-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .price-card.featured {
            border-color: var(--secondary);
            box-shadow: var(--shadow-green);
        }
        .price-card .price-badge {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 50px;
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            white-space: nowrap;
        }
        .price-card .price-name {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .price-card .price-amount {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .price-card .price-amount .period {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--text-muted);
        }
        .price-card ul {
            list-style: none;
            padding: 0;
            margin: 20px 0 26px;
            text-align: left;
        }
        .price-card ul li {
            padding: 8px 0;
            font-size: 0.9rem;
            color: var(--text-weak);
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .price-card ul li i {
            color: var(--secondary);
            font-size: 0.85rem;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-strong);
        }
        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.98rem;
            user-select: none;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--secondary);
        }
        .faq-question .faq-icon {
            color: var(--secondary);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.92rem;
            color: var(--text-weak);
            line-height: 1.75;
        }

        /* CTA */
        .cta-block {
            background: var(--primary-deep);
            border-radius: var(--radius-xl);
            padding: 52px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .cta-block > * {
            position: relative;
            z-index: 1;
        }
        .cta-block h3 {
            color: #fff;
            font-size: clamp(1.5rem, 3vw, 2.1rem);
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.35;
        }
        .cta-block p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            margin-bottom: 28px;
            max-width: 580px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-deep);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 56px;
            padding-bottom: 0;
            margin-top: 40px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 40px;
        }
        .site-footer .footer-brand {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .site-footer .footer-brand .logo-accent {
            color: var(--secondary);
        }
        .site-footer .footer-desc {
            font-size: 0.88rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 18px;
        }
        .site-footer h5 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            transition: color var(--transition);
        }
        .site-footer ul li a:hover {
            color: #fff;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 18px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .site-footer .footer-links {
            display: flex;
            gap: 16px;
            align-items: center;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.8rem;
            transition: color var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: #fff;
        }
        .site-footer .footer-links i {
            margin-right: 4px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-grid.four-col {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-odds-side {
                flex: 0 0 300px;
                max-width: 300px;
            }
        }
        @media (max-width: 768px) {
            .container-pad {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-pad {
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .section-pad-lg {
                padding-top: 56px;
                padding-bottom: 56px;
            }
            .site-header .row {
                flex-wrap: nowrap;
                justify-content: space-between;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                box-shadow: var(--shadow-lg);
                border-bottom: 1px solid var(--border);
                padding: 12px 20px;
                z-index: 999;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 0;
                border-bottom: 1px solid var(--border);
                font-size: 0.95rem;
            }
            .main-nav a:last-child {
                border-bottom: 0;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .nav-cta {
                display: none;
            }
            .hero-odds .row {
                flex-direction: column;
                gap: 30px;
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .hero-odds-main {
                flex: 1 1 auto;
                max-width: 100%;
            }
            .hero-odds-side {
                flex: 1 1 auto;
                max-width: 100%;
                width: 100%;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .feature-grid.two-col {
                grid-template-columns: 1fr;
            }
            .feature-grid.four-col {
                grid-template-columns: 1fr;
            }
            .stat-strip {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
                padding: 20px 16px;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
            }
            .steps-list {
                flex-direction: column;
            }
            .deep-content {
                padding: 24px 18px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .cta-block {
                padding: 36px 20px;
            }
            .top-bar-strip .row {
                flex-direction: column;
                gap: 4px;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .stat-strip {
                grid-template-columns: 1fr;
            }
            .hero-odds h1 {
                font-size: 1.6rem;
            }
            .hero-odds p.hero-desc {
                font-size: 0.95rem;
            }
            .group-panel .group-count {
                font-size: 1.7rem;
            }
            .btn-lg {
                padding: 13px 24px;
                font-size: 0.92rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0a2540;
            --primary-deep: #061a2f;
            --primary-mid: #0e3556;
            --secondary: #00a66c;
            --secondary-light: #e6f7f0;
            --secondary-dark: #008f5b;
            --accent: #f5a623;
            --accent-light: #fff7eb;
            --accent-dark: #d98d0e;
            --bg: #ffffff;
            --bg-soft: #f6f9fc;
            --bg-deep: #0e2c47;
            --bg-cards: #f0f5fa;
            --text: #1d2b36;
            --text-weak: #647482;
            --text-muted: #8c9aa8;
            --text-inverse: #ffffff;
            --border: #e3eaf2;
            --border-strong: #cbd6e3;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 10px rgba(10, 37, 64, 0.05);
            --shadow-md: 0 8px 26px rgba(10, 37, 64, 0.08);
            --shadow-lg: 0 18px 50px rgba(10, 37, 64, 0.12);
            --shadow-green: 0 8px 24px rgba(0, 166, 108, 0.18);
            --shadow-accent: 0 8px 24px rgba(245, 166, 35, 0.18);
            --transition: 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1240px;
        }

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

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.72;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

        a:hover,
        a:focus {
            color: var(--secondary);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(0, 166, 108, 0.45);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        .row {
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
        }

        .row.wide {
            max-width: 1320px;
        }

        .container-pad {
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-pad {
            padding-top: 72px;
            padding-bottom: 72px;
        }

        .section-pad-sm {
            padding-top: 52px;
            padding-bottom: 52px;
        }

        .section-pad-lg {
            padding-top: 88px;
            padding-bottom: 88px;
        }

        .section-pad-xl {
            padding-top: 110px;
            padding-bottom: 110px;
        }

        .text-white {
            color: #fff;
        }

        .text-white a {
            color: rgba(255, 255, 255, 0.82);
        }

        .text-white a:hover {
            color: #fff;
        }

        .text-center {
            text-align: center;
        }

        .section-title {
            font-size: clamp(1.65rem, 3.2vw, 2.3rem);
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-title.light {
            color: #fff;
        }

        .section-sub {
            font-size: 1.05rem;
            color: var(--text-weak);
            line-height: 1.75;
            max-width: 720px;
            margin-bottom: 36px;
        }

        .section-sub.light {
            color: rgba(255, 255, 255, 0.7);
        }

        .section-sub.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--secondary-light);
            color: var(--secondary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
        }

        .badge-tag.light {
            background: rgba(0, 166, 108, 0.16);
            color: #7de3bd;
        }

        .badge-tag.accent {
            background: var(--accent-light);
            color: var(--accent-dark);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 14px 30px;
            border-radius: 12px;
            border: 2px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
            box-shadow: var(--shadow-green);
        }

        .btn-primary:hover {
            background: var(--secondary-dark);
            border-color: var(--secondary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0, 166, 108, 0.28);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--border-strong);
        }

        .btn-outline:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.45);
        }

        .btn-outline-light:hover {
            background: #fff;
            border-color: #fff;
            color: var(--primary);
            transform: translateY(-2px);
        }

        .btn-white {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
            box-shadow: var(--shadow-sm);
        }

        .btn-white:hover {
            background: var(--bg-soft);
            border-color: var(--bg-soft);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

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

        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 0.85rem;
            border-radius: 10px;
        }

        .btn-lg {
            padding: 18px 38px;
            font-size: 1.05rem;
            border-radius: 14px;
        }

        /* Header & Navigation */
        .site-header {
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 0 rgba(10, 37, 64, 0.04);
        }

        .top-info-bar {
            background: var(--primary-deep);
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.78rem;
            padding: 7px 0;
            letter-spacing: 0.02em;
        }

        .top-info-bar .row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .top-info-bar a {
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
        }

        .top-info-bar a:hover {
            color: #fff;
        }

        .header-main-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding-top: 14px;
            padding-bottom: 14px;
            flex-wrap: nowrap;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--primary);
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }

        .brand-logo .logo-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--secondary) 0%, #00c48a 100%);
            color: #fff;
            font-size: 0.95rem;
            font-weight: 800;
            border-radius: 12px;
            letter-spacing: -0.02em;
            box-shadow: var(--shadow-green);
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: thin;
            -webkit-overflow-scrolling: touch;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 9px 15px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-weak);
            border-radius: 10px;
            white-space: nowrap;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .main-nav a i {
            font-size: 0.82rem;
            opacity: 0.7;
        }

        .main-nav a:hover {
            color: var(--primary);
            background: var(--bg-soft);
        }

        .main-nav a.active {
            color: var(--secondary);
            background: var(--secondary-light);
            border-color: rgba(0, 166, 108, 0.2);
            font-weight: 600;
        }

        .main-nav a.active i {
            opacity: 1;
        }

        .nav-cta {
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 9px 14px;
            color: var(--primary);
            font-size: 1.2rem;
            cursor: pointer;
            transition: all var(--transition);
        }

        .nav-toggle:hover {
            background: var(--bg-soft);
        }

        /* Hero Section */
        .hero-section-data {
            background: linear-gradient(160deg, #0a2540 0%, #0e3556 45%, #0c2d4a 100%);
            padding: 72px 0 84px;
            position: relative;
            overflow: hidden;
            color: #fff;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hero-section-data::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 520px;
            height: 520px;
            background: radial-gradient(circle, rgba(0, 166, 108, 0.22) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section-data::after {
            content: '';
            position: absolute;
            bottom: -160px;
            left: -100px;
            width: 460px;
            height: 460px;
            background: radial-gradient(circle, rgba(245, 166, 35, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-data-inner {
            position: relative;
            z-index: 2;
        }

        .hero-data-title {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.18;
            color: #fff;
            margin-bottom: 18px;
        }

        .hero-data-sub {
            font-size: 1.12rem;
            color: rgba(255, 255, 255, 0.72);
            line-height: 1.8;
            max-width: 650px;
            margin-bottom: 32px;
        }

        .hero-data-stats {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-item .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.01em;
            line-height: 1.2;
        }

        .hero-stat-item .stat-number span {
            color: #7de3bd;
            font-size: 1.3rem;
        }

        .hero-stat-item .stat-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
        }

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

        /* Hero Compare Cards */
        .hero-compare-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 48px;
            position: relative;
            z-index: 3;
        }

        .compare-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 26px 24px;
            color: #fff;
            transition: all var(--transition);
            position: relative;
            backdrop-filter: blur(6px);
        }

        .compare-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
            border-color: rgba(255, 255, 255, 0.22);
        }

        .compare-card.featured {
            background: rgba(255, 255, 255, 0.94);
            border-color: var(--accent);
            color: var(--primary);
            box-shadow: 0 20px 48px rgba(0, 0, 0, 0.3);
            transform: scale(1.04);
            z-index: 5;
        }

        .compare-card.featured:hover {
            transform: scale(1.06);
            background: #fff;
        }

        .compare-card .card-badge {
            position: absolute;
            top: -13px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 50px;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }

        .compare-card .card-name {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: inherit;
        }

        .compare-card .card-desc {
            font-size: 0.83rem;
            opacity: 0.7;
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .compare-card .card-price {
            font-size: 1.7rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 4px;
            color: inherit;
        }

        .compare-card .card-price small {
            font-size: 0.85rem;
            font-weight: 400;
            opacity: 0.6;
        }

        .compare-card .card-features {
            list-style: none;
            margin: 16px 0 20px;
            padding: 0;
        }

        .compare-card .card-features li {
            font-size: 0.82rem;
            padding: 5px 0;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            opacity: 0.8;
            line-height: 1.55;
        }

        .compare-card .card-features li i {
            color: var(--secondary);
            margin-top: 3px;
            flex-shrink: 0;
        }

        .compare-card.featured .card-features li i {
            color: var(--accent-dark);
        }

        .compare-card .btn {
            width: 100%;
            justify-content: center;
        }

        /* Data Trust Bar */
        .data-trust-bar {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 18px 0;
        }

        .data-trust-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 36px;
            align-items: center;
            justify-content: center;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .data-trust-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-weak);
            font-weight: 500;
        }

        .data-trust-list li i {
            color: var(--secondary);
            font-size: 0.9rem;
        }

        /* Feature Cards */
        .feature-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .feature-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--secondary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
            transform: translateY(-4px);
        }

        .feature-card:hover::after {
            transform: scaleX(1);
        }

        .feature-card .feature-icon {
            width: 52px;
            height: 52px;
            background: var(--secondary-light);
            color: var(--secondary);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 18px;
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .feature-card p {
            font-size: 0.92rem;
            color: var(--text-weak);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* Data Dimension Cards */
        .dimension-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 22px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
            transition: all var(--transition);
            height: 100%;
        }

        .dimension-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--border-strong);
        }

        .dimension-card .dim-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: var(--bg-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--secondary);
            flex-shrink: 0;
        }

        .dimension-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .dimension-card p {
            font-size: 0.85rem;
            color: var(--text-weak);
            line-height: 1.6;
            margin: 0;
        }

        /* Scenario Cards */
        .scenario-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
        }

        .scenario-card .scenario-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .scenario-card .scenario-img .img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 37, 64, 0.05) 0%, rgba(10, 37, 64, 0.55) 100%);
            display: flex;
            align-items: flex-end;
            padding: 16px;
        }

        .scenario-card .scenario-img .img-overlay span {
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            background: rgba(0, 0, 0, 0.35);
            padding: 5px 14px;
            border-radius: 50px;
            backdrop-filter: blur(6px);
        }

        .scenario-card .scenario-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .scenario-card .scenario-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .scenario-card .scenario-body p {
            font-size: 0.88rem;
            color: var(--text-weak);
            line-height: 1.7;
            flex: 1;
        }

        /* Data Insight Panel */
        .insight-panel {
            background: var(--bg-deep);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .insight-panel::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0, 166, 108, 0.3) 0%, transparent 70%);
            border-radius: 50%;
        }

        .insight-panel .insight-text h2 {
            font-size: clamp(1.4rem, 2.8vw, 1.9rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            line-height: 1.35;
        }

        .insight-panel .insight-text p {
            color: rgba(255, 255, 255, 0.72);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        .insight-panel .insight-list {
            list-style: none;
            margin: 18px 0 0;
            padding: 0;
        }

        .insight-panel .insight-list li {
            padding: 8px 0;
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
        }

        .insight-panel .insight-list li i {
            color: #7de3bd;
        }

        .insight-panel .insight-visual {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 24px;
            backdrop-filter: blur(8px);
        }

        .insight-panel .insight-visual h3 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .insight-bars {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .insight-bar-row {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .insight-bar-row .bar-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.65);
            width: 70px;
            flex-shrink: 0;
        }

        .insight-bar-row .bar-track {
            flex: 1;
            height: 10px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50px;
            overflow: hidden;
        }

        .insight-bar-row .bar-fill {
            height: 100%;
            border-radius: 50px;
            background: linear-gradient(90deg, var(--secondary) 0%, #00d68a 100%);
            transition: width 0.8s ease;
        }

        .insight-bar-row .bar-value {
            font-size: 0.85rem;
            color: #fff;
            font-weight: 600;
            width: 42px;
            text-align: right;
        }

        /* Data Table Section */
        .data-table-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .data-table-header {
            padding: 22px 28px;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            background: var(--bg-soft);
        }

        .data-table-header h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin: 0;
        }

        .data-table-header span {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

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

        .data-table th {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            padding: 14px 18px;
            border-bottom: 1px solid var(--border);
            text-align: left;
            background: #fafcfe;
            white-space: nowrap;
        }

        .data-table td {
            font-size: 0.9rem;
            color: var(--text);
            padding: 13px 18px;
            border-bottom: 1px solid var(--border);
            white-space: nowrap;
        }

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

        .data-table tr:hover td {
            background: #f8fbfe;
        }

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

        .data-table .team-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        .data-table .win-rate {
            color: var(--secondary);
            font-weight: 600;
        }

        .data-table .draw-rate {
            color: var(--accent-dark);
            font-weight: 600;
        }

        .data-table .lose-rate {
            color: #d64545;
            font-weight: 600;
        }

        /* FAQ */
        .faq-list {
            max-width: 840px;
            margin: 0 auto;
        }

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

        .faq-item:hover {
            border-color: var(--border-strong);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--primary);
            gap: 12px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: all var(--transition);
        }

        .faq-question .faq-icon {
            color: var(--secondary);
            font-size: 1rem;
            transition: transform var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            display: none;
            padding: 0 22px 20px;
            font-size: 0.92rem;
            color: var(--text-weak);
            line-height: 1.8;
        }

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

        /* CTA Section */
        .cta-section {
            background: linear-gradient(140deg, var(--primary-deep) 0%, var(--primary) 50%, #0d2f4d 100%);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            color: #fff;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -60px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 166, 108, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -120px;
            left: -80px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(245, 166, 35, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            position: relative;
            z-index: 2;
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.72);
            max-width: 650px;
            margin: 0 auto 28px;
            line-height: 1.75;
            position: relative;
            z-index: 2;
        }

        .cta-section .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-deep);
            color: rgba(255, 255, 255, 0.72);
            padding-top: 60px;
            padding-bottom: 28px;
            font-size: 0.9rem;
            border-top: 4px solid rgba(0, 166, 108, 0.3);
        }

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

        .footer-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

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

        .footer-desc {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .site-footer h5 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

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

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

        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
            transition: all var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-links {
            display: flex;
            gap: 18px;
            align-items: center;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.8rem;
        }

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

        /* Responsive Design */
        @media screen and (max-width: 1024px) {
            .hero-compare-cards {
                grid-template-columns: repeat(3, 1fr);
                gap: 14px;
            }

            .compare-card {
                padding: 20px 16px;
            }

            .compare-card .card-price {
                font-size: 1.4rem;
            }

            .insight-panel {
                grid-template-columns: 1fr;
                padding: 36px 28px;
                gap: 28px;
            }

            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 28px;
            }
        }

        @media screen and (max-width: 768px) {
            .container-pad {
                padding-left: 18px;
                padding-right: 18px;
            }

            .section-pad {
                padding-top: 52px;
                padding-bottom: 52px;
            }

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

            .section-pad-xl {
                padding-top: 72px;
                padding-bottom: 72px;
            }

            .top-info-bar {
                display: none;
            }

            .header-main-row {
                flex-wrap: wrap;
                padding-top: 10px;
                padding-bottom: 10px;
            }

            .brand-logo {
                font-size: 1.15rem;
            }

            .brand-logo .logo-badge {
                width: 36px;
                height: 36px;
                font-size: 0.8rem;
                border-radius: 10px;
            }

            .nav-toggle {
                display: block;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 18px;
                gap: 2px;
                z-index: 50;
                max-height: 70vh;
                overflow-y: auto;
            }

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

            .main-nav a {
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: 10px;
            }

            .nav-cta {
                display: none;
            }

            .hero-section-data {
                padding: 48px 0 56px;
            }

            .hero-data-title {
                font-size: 1.7rem;
            }

            .hero-data-sub {
                font-size: 0.95rem;
            }

            .hero-stat-item .stat-number {
                font-size: 1.5rem;
            }

            .hero-data-stats {
                gap: 18px;
            }

            .hero-compare-cards {
                grid-template-columns: 1fr;
                gap: 18px;
                margin-top: 32px;
            }

            .compare-card.featured {
                transform: scale(1);
            }

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

            .data-table-card {
                overflow-x: auto;
                border-radius: var(--radius-md);
            }

            .data-table th,
            .data-table td {
                padding: 10px 12px;
                font-size: 0.8rem;
            }

            .data-table-header {
                padding: 16px 18px;
            }

            .insight-panel {
                padding: 28px 20px;
                border-radius: var(--radius-lg);
            }

            .cta-section {
                padding: 40px 24px;
                border-radius: var(--radius-lg);
            }

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

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

            .footer-links {
                flex-wrap: wrap;
                gap: 12px;
            }

            .data-trust-list {
                gap: 8px 20px;
            }

            .data-trust-list li {
                font-size: 0.75rem;
            }

            .feature-card {
                padding: 20px 18px;
            }

            .feature-card h3 {
                font-size: 1rem;
            }

            .scenario-card .scenario-img {
                height: 140px;
            }

            .scenario-card .scenario-body {
                padding: 16px 18px;
            }
        }

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

            .hero-data-title {
                font-size: 1.4rem;
            }

            .hero-data-sub {
                font-size: 0.88rem;
                line-height: 1.65;
            }

            .hero-data-actions .btn {
                width: 100%;
                justify-content: center;
                font-size: 0.88rem;
                padding: 12px 20px;
            }

            .hero-stat-item .stat-number {
                font-size: 1.3rem;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .section-sub {
                font-size: 0.9rem;
                margin-bottom: 24px;
            }

            .btn-lg {
                padding: 14px 26px;
                font-size: 0.9rem;
            }

            .compare-card {
                padding: 18px 14px;
            }

            .compare-card .card-name {
                font-size: 0.95rem;
            }

            .compare-card .card-price {
                font-size: 1.2rem;
            }

            .compare-card .card-features li {
                font-size: 0.75rem;
            }

            .cta-section h2 {
                font-size: 1.35rem;
            }

            .cta-section p {
                font-size: 0.88rem;
            }

            .cta-section .cta-actions .btn {
                width: 100%;
            }

            .faq-question {
                padding: 15px 16px;
                font-size: 0.88rem;
            }

            .faq-answer {
                padding: 0 16px 16px;
                font-size: 0.85rem;
            }
        }

/* roulang page: category4 */
:root {
 --primary: #0a2540;
 --primary-deep: #061a2f;
 --secondary: #00a66c;
 --secondary-light: #e6f7f0;
 --accent: #f5a623;
 --accent-light: #fff7eb;
 --bg: #ffffff;
 --bg-soft: #f6f9fc;
 --bg-deep: #0e2c47;
 --text: #1d2b36;
 --text-weak: #647482;
 --text-muted: #8c9aa8;
 --border: #e3eaf2;
 --border-strong: #cbd6e3;
 --radius-sm: 8px;
 --radius-md: 14px;
 --radius-lg: 20px;
 --radius-xl: 28px;
 --shadow-sm: 0 2px 10px rgba(10, 37, 64, 0.05);
 --shadow-md: 0 8px 26px rgba(10, 37, 64, 0.08);
 --shadow-lg: 0 18px 50px rgba(10, 37, 64, 0.12);
 --shadow-green: 0 8px 24px rgba(0, 166, 108, 0.18);
 --transition: 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
 --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
 --container-max: 1240px;
}
html {
 scroll-behavior: smooth;
 -webkit-text-size-adjust: 100%;
}
body {
 font-family: var(--font-sans);
 background: var(--bg);
 color: var(--text);
 line-height: 1.72;
 font-size: 16px;
 min-height: 100vh;
 overflow-x: hidden;
 -webkit-font-smoothing: antialiased;
 -moz-osx-font-smoothing: grayscale;
}
img {
 max-width: 100%;
 height: auto;
 display: block;
 border: 0;
}
a {
 color: var(--primary);
 text-decoration: none;
 transition: color var(--transition), opacity var(--transition);
}
a:hover, a:focus {
 color: var(--secondary);
 text-decoration: none;
}
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
 outline: 3px solid rgba(0, 166, 108, 0.45);
 outline-offset: 2px;
 border-radius: 4px;
}
button, input, select, textarea {
 font-family: inherit;
 font-size: inherit;
 line-height: inherit;
}
.row {
 max-width: var(--container-max);
 margin-left: auto;
 margin-right: auto;
}
.row.wide {
 max-width: 1320px;
}
.container-pad {
 padding-left: 24px;
 padding-right: 24px;
}
.section-pad {
 padding-top: 72px;
 padding-bottom: 72px;
}
.section-pad-sm {
 padding-top: 52px;
 padding-bottom: 52px;
}
.section-pad-lg {
 padding-top: 88px;
 padding-bottom: 88px;
}
.text-white {
 color: #fff;
}
.text-white a {
 color: rgba(255, 255, 255, 0.82);
}
.text-white a:hover {
 color: #fff;
}
.text-center {
 text-align: center;
}
.section-title {
 font-size: clamp(1.65rem, 3.2vw, 2.3rem);
 font-weight: 700;
 color: var(--primary);
 letter-spacing: -0.01em;
 margin-bottom: 12px;
 line-height: 1.3;
}
.section-title.light {
 color: #fff;
}
.section-sub {
 font-size: 1.05rem;
 color: var(--text-weak);
 line-height: 1.75;
 max-width: 720px;
 margin-bottom: 36px;
}
.section-sub.light {
 color: rgba(255, 255, 255, 0.7);
}
.section-sub.center {
 margin-left: auto;
 margin-right: auto;
 text-align: center;
}
.badge-tag {
 display: inline-flex;
 align-items: center;
 gap: 8px;
 background: var(--secondary-light);
 color: var(--secondary);
 font-size: 0.8rem;
 font-weight: 600;
 padding: 6px 16px;
 border-radius: 50px;
 letter-spacing: 0.03em;
 margin-bottom: 16px;
}
.badge-tag.light {
 background: rgba(0, 166, 108, 0.16);
 color: #7de3bd;
}
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 gap: 10px;
 font-weight: 600;
 font-size: 0.95rem;
 padding: 14px 30px;
 border-radius: 12px;
 border: 2px solid transparent;
 cursor: pointer;
 transition: all var(--transition);
 line-height: 1.4;
 text-align: center;
 white-space: nowrap;
}
.btn-primary {
 background: var(--secondary);
 color: #fff;
 border-color: var(--secondary);
 box-shadow: var(--shadow-green);
}
.btn-primary:hover {
 background: #008f5b;
 border-color: #008f5b;
 color: #fff;
 transform: translateY(-2px);
 box-shadow: 0 12px 32px rgba(0, 166, 108, 0.28);
}
.btn-outline {
 background: transparent;
 color: var(--primary);
 border-color: var(--border-strong);
}
.btn-outline:hover {
 background: var(--primary);
 border-color: var(--primary);
 color: #fff;
 transform: translateY(-2px);
}
.btn-outline-light {
 background: transparent;
 color: #fff;
 border-color: rgba(255, 255, 255, 0.45);
}
.btn-outline-light:hover {
 background: #fff;
 border-color: #fff;
 color: var(--primary);
 transform: translateY(-2px);
}
.btn-white {
 background: #fff;
 color: var(--primary);
 border-color: #fff;
}
.btn-white:hover {
 background: var(--primary);
 border-color: var(--primary);
 color: #fff;
 transform: translateY(-2px);
}
.btn-sm {
 padding: 10px 20px;
 font-size: 0.85rem;
 border-radius: 10px;
}
.btn-lg {
 padding: 16px 38px;
 font-size: 1.02rem;
 border-radius: 14px;
}
.btn-block {
 width: 100%;
}

/* Header */
.site-header {
 background: var(--primary);
 position: sticky;
 top: 0;
 z-index: 999;
 border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.site-header .row {
 display: flex;
 align-items: center;
 justify-content: space-between;
 padding-top: 10px;
 padding-bottom: 10px;
 gap: 20px;
}
.brand-logo {
 display: inline-flex;
 align-items: center;
 gap: 10px;
 font-size: 1.25rem;
 font-weight: 700;
 color: #fff;
 letter-spacing: 0.01em;
 white-space: nowrap;
}
.brand-logo:hover, .brand-logo:focus {
 color: #fff;
 opacity: 0.9;
}
.logo-badge {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 width: 32px;
 height: 32px;
 background: var(--secondary);
 color: #fff;
 border-radius: 8px;
 font-size: 0.78rem;
 font-weight: 800;
 letter-spacing: 0.02em;
 flex-shrink: 0;
}
.logo-accent {
 color: var(--secondary);
}
.nav-toggle {
 display: none;
 background: rgba(255, 255, 255, 0.08);
 border: 1px solid rgba(255, 255, 255, 0.15);
 color: #fff;
 width: 42px;
 height: 42px;
 border-radius: 10px;
 align-items: center;
 justify-content: center;
 font-size: 1.15rem;
 cursor: pointer;
 transition: all var(--transition);
}
.nav-toggle:hover {
 background: rgba(255, 255, 255, 0.16);
}
.main-nav {
 display: flex;
 align-items: center;
 gap: 4px;
 flex-wrap: wrap;
}
.main-nav a {
 display: inline-flex;
 align-items: center;
 gap: 6px;
 color: rgba(255, 255, 255, 0.75);
 font-size: 0.87rem;
 font-weight: 500;
 padding: 8px 14px;
 border-radius: 8px;
 transition: all var(--transition);
 white-space: nowrap;
}
.main-nav a:hover {
 color: #fff;
 background: rgba(255, 255, 255, 0.08);
}
.main-nav a.active {
 color: #fff;
 background: rgba(0, 166, 108, 0.22);
 box-shadow: inset 0 0 0 1px rgba(0, 166, 108, 0.35);
}
.main-nav a i {
 font-size: 0.85rem;
}
.nav-cta {
 display: flex;
 align-items: center;
 gap: 10px;
 flex-shrink: 0;
}

/* Hero - 左文右图 5:7 斜向错位 */
.hero-live {
 position: relative;
 background: var(--primary-deep);
 background-image: linear-gradient(135deg, #061a2f 0%, #0e2c47 55%, #0a2540 100%);
 overflow: hidden;
 padding: 80px 0 90px;
}
.hero-live::before {
 content: "";
 position: absolute;
 top: -250px;
 right: -200px;
 width: 620px;
 height: 620px;
 background: radial-gradient(circle, rgba(0, 166, 108, 0.18) 0%, transparent 65%);
 z-index: 0;
}
.hero-live::after {
 content: "";
 position: absolute;
 bottom: -180px;
 left: -160px;
 width: 500px;
 height: 500px;
 background: radial-gradient(circle, rgba(245, 166, 35, 0.08) 0%, transparent 65%);
 z-index: 0;
}
.hero-live .row {
 position: relative;
 z-index: 1;
}
.hero-grid {
 display: grid;
 grid-template-columns: 5fr 7fr;
 gap: 48px;
 align-items: center;
}
.hero-content h1 {
 font-size: clamp(2rem, 4vw, 2.9rem);
 font-weight: 800;
 color: #fff;
 line-height: 1.25;
 letter-spacing: -0.015em;
 margin-bottom: 18px;
}
.hero-content h1 .highlight {
 color: #7de3bd;
 position: relative;
}
.hero-content p.hero-lead {
 font-size: 1.08rem;
 color: rgba(255, 255, 255, 0.72);
 line-height: 1.8;
 max-width: 520px;
 margin-bottom: 28px;
}
.hero-actions {
 display: flex;
 gap: 14px;
 flex-wrap: wrap;
 margin-bottom: 32px;
}
.hero-kpi {
 display: flex;
 gap: 28px;
 flex-wrap: wrap;
}
.hero-kpi-item {
 text-align: left;
}
.hero-kpi-item .kpi-num {
 font-size: 1.55rem;
 font-weight: 800;
 color: #fff;
 line-height: 1.2;
}
.hero-kpi-item .kpi-label {
 font-size: 0.8rem;
 color: rgba(255, 255, 255, 0.55);
 margin-top: 2px;
}
.hero-visual {
 position: relative;
}
.hero-visual-card {
 position: relative;
 background: rgba(255, 255, 255, 0.06);
 border: 1px solid rgba(255, 255, 255, 0.12);
 border-radius: var(--radius-xl);
 padding: 18px;
 backdrop-filter: blur(12px);
 box-shadow: var(--shadow-lg);
 transform: rotate(-1.5deg);
 transition: transform var(--transition);
}
.hero-visual-card:hover {
 transform: rotate(0deg) translateY(-4px);
}
.hero-visual-card img {
 border-radius: var(--radius-lg);
 width: 100%;
 aspect-ratio: 4/3;
 object-fit: cover;
}
.hero-float-badge {
 position: absolute;
 top: -18px;
 right: -12px;
 background: var(--secondary);
 color: #fff;
 font-size: 0.78rem;
 font-weight: 700;
 padding: 8px 16px;
 border-radius: 50px;
 box-shadow: var(--shadow-green);
 display: flex;
 align-items: center;
 gap: 6px;
 animation: pulse-badge 2.4s ease-in-out infinite;
}
@keyframes pulse-badge {
 0%, 100% { transform: scale(1); }
 50% { transform: scale(1.05); }
}
.hero-float-badge i {
 font-size: 0.72rem;
}
.hero-float-note {
 position: absolute;
 bottom: -16px;
 left: 12px;
 background: rgba(255, 255, 255, 0.92);
 color: var(--primary);
 font-size: 0.74rem;
 font-weight: 600;
 padding: 8px 16px;
 border-radius: 10px;
 box-shadow: var(--shadow-md);
 display: flex;
 align-items: center;
 gap: 6px;
}
.hero-float-note i {
 color: var(--secondary);
}
.hero-float-note .live-dot {
 width: 8px;
 height: 8px;
 background: #ff4d4f;
 border-radius: 50%;
 animation: blink 1.2s ease-in-out infinite;
}
@keyframes blink {
 0%, 100% { opacity: 1; }
 50% { opacity: 0.35; }
}

/* Value Proposition */
.value-prop {
 background: var(--bg);
}
.value-prop-grid {
 display: grid;
 grid-template-columns: 1fr 1fr;
 gap: 48px;
 align-items: center;
}
.value-prop-text h2 {
 font-size: clamp(1.5rem, 2.8vw, 2rem);
 font-weight: 700;
 color: var(--primary);
 line-height: 1.35;
 margin-bottom: 16px;
}
.value-prop-text p {
 color: var(--text-weak);
 font-size: 1rem;
 line-height: 1.8;
 margin-bottom: 18px;
}
.value-prop-list {
 list-style: none;
 margin: 0;
 padding: 0;
}
.value-prop-list li {
 display: flex;
 align-items: flex-start;
 gap: 12px;
 margin-bottom: 14px;
 font-size: 0.96rem;
 color: var(--text);
}
.value-prop-list li i {
 color: var(--secondary);
 font-size: 1.05rem;
 margin-top: 3px;
 flex-shrink: 0;
}
.value-prop-image {
 position: relative;
}
.value-prop-image img {
 border-radius: var(--radius-lg);
 box-shadow: var(--shadow-lg);
 aspect-ratio: 5/4;
 object-fit: cover;
}
.value-prop-image::after {
 content: "";
 position: absolute;
 top: -18px;
 right: -18px;
 width: 100%;
 height: 100%;
 border: 3px solid var(--secondary-light);
 border-radius: var(--radius-lg);
 z-index: -1;
}

/* Feature Group */
.feature-group {
 background: var(--bg-soft);
}
.feature-group-grid {
 display: grid;
 grid-template-columns: repeat(3, 1fr);
 gap: 24px;
}
.feature-card {
 background: #fff;
 border: 1px solid var(--border);
 border-radius: var(--radius-md);
 padding: 28px;
 transition: all var(--transition);
}
.feature-card:hover {
 border-color: var(--secondary);
 box-shadow: var(--shadow-md);
 transform: translateY(-4px);
}
.feature-card .card-icon {
 width: 48px;
 height: 48px;
 background: var(--secondary-light);
 color: var(--secondary);
 border-radius: 12px;
 display: flex;
 align-items: center;
 justify-content: center;
 font-size: 1.2rem;
 margin-bottom: 16px;
}
.feature-card h3 {
 font-size: 1.08rem;
 font-weight: 700;
 color: var(--primary);
 margin-bottom: 10px;
}
.feature-card p {
 font-size: 0.88rem;
 color: var(--text-weak);
 line-height: 1.7;
 margin: 0;
}
.feature-card .card-meta {
 display: flex;
 align-items: center;
 gap: 6px;
 margin-top: 14px;
 font-size: 0.78rem;
 color: var(--secondary);
 font-weight: 600;
}
.feature-card .card-meta i {
 font-size: 0.7rem;
}

/* Use Cases */
.use-case {
 background: var(--bg);
}
.use-case-grid {
 display: grid;
 grid-template-columns: repeat(2, 1fr);
 gap: 20px;
}
.use-case-card {
 background: #fff;
 border: 1px solid var(--border);
 border-radius: var(--radius-md);
 padding: 24px 28px;
 display: flex;
 gap: 18px;
 align-items: flex-start;
 transition: all var(--transition);
}
.use-case-card:hover {
 border-color: var(--accent);
 box-shadow: var(--shadow-sm);
}
.use-case-num {
 width: 40px;
 height: 40px;
 background: var(--accent-light);
 color: var(--accent);
 border-radius: 50%;
 display: flex;
 align-items: center;
 justify-content: center;
 font-weight: 800;
 font-size: 0.95rem;
 flex-shrink: 0;
}
.use-case-card h3 {
 font-size: 1rem;
 font-weight: 700;
 color: var(--primary);
 margin-bottom: 6px;
}
.use-case-card p {
 font-size: 0.86rem;
 color: var(--text-weak);
 line-height: 1.7;
 margin: 0;
}

/* Success Case */
.success-case {
 background: var(--bg-deep);
 position: relative;
 overflow: hidden;
}
.success-case::before {
 content: "";
 position: absolute;
 top: -120px;
 left: -80px;
 width: 500px;
 height: 500px;
 background: radial-gradient(circle, rgba(0, 166, 108, 0.22) 0%, transparent 68%);
 z-index: 0;
}
.success-case .row {
 position: relative;
 z-index: 1;
}
.success-grid {
 display: grid;
 grid-template-columns: 1.2fr 1fr;
 gap: 48px;
 align-items: center;
}
.success-card {
 background: rgba(255, 255, 255, 0.04);
 border: 1px solid rgba(255, 255, 255, 0.1);
 border-radius: var(--radius-md);
 padding: 28px;
}
.success-card h3 {
 color: #fff;
 font-size: 1.1rem;
 font-weight: 700;
 margin-bottom: 14px;
 display: flex;
 align-items: center;
 gap: 10px;
}
.success-card h3 i {
 color: var(--secondary);
}
.success-card p {
 color: rgba(255, 255, 255, 0.65);
 font-size: 0.88rem;
 line-height: 1.75;
 margin-bottom: 16px;
}
.success-card .trend-row {
 display: flex;
 align-items: center;
 gap: 12px;
 padding: 10px 0;
 border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.success-card .trend-row:last-child {
 border-bottom: 0;
}
.trend-time {
 font-size: 0.78rem;
 color: rgba(255, 255, 255, 0.5);
 width: 60px;
 flex-shrink: 0;
}
.trend-event {
 font-size: 0.86rem;
 color: rgba(255, 255, 255, 0.78);
 flex: 1;
}
.trend-change {
 font-size: 0.82rem;
 font-weight: 700;
 flex-shrink: 0;
}
.trend-up {
 color: #ff6b6b;
}
.trend-down {
 color: #7de3bd;
}
.success-stats {
 display: grid;
 grid-template-columns: 1fr 1fr;
 gap: 16px;
}
.stat-box {
 background: rgba(255, 255, 255, 0.04);
 border: 1px solid rgba(255, 255, 255, 0.08);
 border-radius: var(--radius-md);
 padding: 22px;
 text-align: center;
 transition: all var(--transition);
}
.stat-box:hover {
 background: rgba(255, 255, 255, 0.08);
}
.stat-box .stat-num {
 font-size: 2.2rem;
 font-weight: 800;
 color: #7de3bd;
 line-height: 1.2;
}
.stat-box .stat-unit {
 font-size: 0.85rem;
 color: rgba(255, 255, 255, 0.55);
 margin-top: 4px;
}
.stat-box .stat-desc {
 font-size: 0.76rem;
 color: rgba(255, 255, 255, 0.4);
 margin-top: 8px;
}

/* Reading Guide */
.read-guide {
 background: var(--bg);
}
.read-guide-grid {
 display: grid;
 grid-template-columns: repeat(4, 1fr);
 gap: 20px;
}
.guide-card {
 background: var(--bg-soft);
 border: 1px solid var(--border);
 border-radius: var(--radius-md);
 padding: 24px;
 transition: all var(--transition);
}
.guide-card:hover {
 background: #fff;
 box-shadow: var(--shadow-md);
 transform: translateY(-3px);
}
.guide-step {
 display: inline-flex;
 align-items: center;
 gap: 6px;
 font-size: 0.74rem;
 font-weight: 700;
 color: var(--secondary);
 background: var(--secondary-light);
 padding: 4px 12px;
 border-radius: 50px;
 margin-bottom: 12px;
}
.guide-card h3 {
 font-size: 0.98rem;
 font-weight: 700;
 color: var(--primary);
 margin-bottom: 8px;
}
.guide-card p {
 font-size: 0.82rem;
 color: var(--text-weak);
 line-height: 1.65;
 margin: 0;
}

/* Comparison */
.comparison {
 background: var(--bg-soft);
}
.comparison-table-wrapper {
 background: #fff;
 border: 1px solid var(--border);
 border-radius: var(--radius-lg);
 overflow: hidden;
 box-shadow: var(--shadow-sm);
}
.comparison-table {
 width: 100%;
 border-collapse: collapse;
 font-size: 0.88rem;
}
.comparison-table th {
 background: var(--primary);
 color: #fff;
 padding: 16px 20px;
 text-align: left;
 font-weight: 600;
 font-size: 0.85rem;
 letter-spacing: 0.02em;
}
.comparison-table td {
 padding: 14px 20px;
 border-bottom: 1px solid var(--border);
 color: var(--text-weak);
}
.comparison-table tr:last-child td {
 border-bottom: 0;
}
.comparison-table .col-feature {
 font-weight: 600;
 color: var(--primary);
}
.comparison-table .check-yes {
 color: var(--secondary);
 font-size: 1.05rem;
}
.comparison-table .check-no {
 color: var(--text-muted);
 font-size: 1.05rem;
}
.comparison-note {
 margin-top: 18px;
 text-align: center;
 font-size: 0.82rem;
 color: var(--text-muted);
}

/* FAQ */
.faq-section {
 background: var(--bg);
}
.faq-list {
 max-width: 820px;
 margin: 0 auto;
}
.faq-item {
 border: 1px solid var(--border);
 border-radius: var(--radius-md);
 margin-bottom: 12px;
 overflow: hidden;
 transition: all var(--transition);
}
.faq-item:hover {
 border-color: var(--border-strong);
}
.faq-item.open {
 border-color: var(--secondary);
 box-shadow: var(--shadow-sm);
}
.faq-question {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 16px;
 padding: 18px 22px;
 background: #fff;
 cursor: pointer;
 font-size: 0.95rem;
 font-weight: 600;
 color: var(--primary);
 transition: all var(--transition);
 user-select: none;
}
.faq-question:hover {
 color: var(--secondary);
}
.faq-question .faq-icon {
 width: 28px;
 height: 28px;
 background: var(--bg-soft);
 border-radius: 50%;
 display: flex;
 align-items: center;
 justify-content: center;
 font-size: 0.72rem;
 color: var(--text-weak);
 transition: all var(--transition);
 flex-shrink: 0;
}
.faq-item.open .faq-question .faq-icon {
 background: var(--secondary);
 color: #fff;
 transform: rotate(45deg);
}
.faq-answer {
 max-height: 0;
 overflow: hidden;
 transition: max-height 0.35s ease;
}
.faq-item.open .faq-answer {
 max-height: 260px;
}
.faq-answer-inner {
 padding: 0 22px 20px;
 font-size: 0.88rem;
 color: var(--text-weak);
 line-height: 1.75;
}

/* CTA */
.cta-section {
 background: var(--primary-deep);
 position: relative;
 overflow: hidden;
}
.cta-section::before {
 content: "";
 position: absolute;
 top: -100px;
 right: -60px;
 width: 380px;
 height: 380px;
 background: radial-gradient(circle, rgba(0, 166, 108, 0.25) 0%, transparent 68%);
 z-index: 0;
}
.cta-section .row {
 position: relative;
 z-index: 1;
}
.cta-inner {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 36px;
 flex-wrap: wrap;
}
.cta-inner .cta-text h2 {
 color: #fff;
 font-size: clamp(1.4rem, 2.6vw, 1.9rem);
 font-weight: 700;
 margin-bottom: 8px;
}
.cta-inner .cta-text p {
 color: rgba(255, 255, 255, 0.62);
 font-size: 0.92rem;
 margin: 0;
 max-width: 520px;
}

/* Footer */
.site-footer {
 background: #061a2f;
 color: rgba(255, 255, 255, 0.6);
 padding-top: 56px;
 padding-bottom: 28px;
}
.footer-grid {
 display: grid;
 grid-template-columns: 2fr 1fr 1fr 1fr;
 gap: 36px;
 margin-bottom: 40px;
}
.footer-brand {
 font-size: 1.3rem;
 font-weight: 700;
 color: #fff;
 margin-bottom: 12px;
}
.footer-desc {
 font-size: 0.85rem;
 line-height: 1.7;
 color: rgba(255, 255, 255, 0.5);
 margin-bottom: 16px;
 max-width: 360px;
}
.footer-grid h5 {
 color: #fff;
 font-size: 0.88rem;
 font-weight: 700;
 margin-bottom: 14px;
 letter-spacing: 0.04em;
}
.footer-grid ul {
 list-style: none;
 margin: 0;
 padding: 0;
}
.footer-grid ul li {
 margin-bottom: 8px;
}
.footer-grid ul li a {
 color: rgba(255, 255, 255, 0.5);
 font-size: 0.84rem;
 transition: all var(--transition);
}
.footer-grid ul li a:hover {
 color: #fff;
 padding-left: 4px;
}
.footer-bottom {
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 16px;
 flex-wrap: wrap;
 padding-top: 22px;
 border-top: 1px solid rgba(255, 255, 255, 0.07);
 font-size: 0.78rem;
 color: rgba(255, 255, 255, 0.4);
}
.footer-bottom .footer-links {
 display: flex;
 gap: 18px;
 flex-wrap: wrap;
}
.footer-bottom .footer-links a {
 color: rgba(255, 255, 255, 0.45);
 font-size: 0.78rem;
 transition: all var(--transition);
}
.footer-bottom .footer-links a:hover {
 color: #fff;
}
.footer-bottom a {
 color: rgba(255, 255, 255, 0.45);
}
.footer-bottom a:hover {
 color: #fff;
}

/* Responsive */
@media (max-width: 1024px) {
 .hero-grid {
   gap: 32px;
 }
 .main-nav a {
   padding: 6px 10px;
   font-size: 0.8rem;
 }
 .feature-group-grid {
   grid-template-columns: 1fr 1fr;
 }
 .read-guide-grid {
   grid-template-columns: 1fr 1fr;
 }
 .success-grid {
   grid-template-columns: 1fr;
   gap: 28px;
 }
 .footer-grid {
   grid-template-columns: 1fr 1fr;
 }
}
@media (max-width: 768px) {
 .nav-toggle {
   display: flex;
 }
 .main-nav {
   display: none;
   position: absolute;
   top: 100%;
   left: 0;
   right: 0;
   background: var(--primary);
   flex-direction: column;
   padding: 16px 24px 20px;
   border-bottom: 1px solid rgba(255, 255, 255, 0.1);
   gap: 2px;
 }
 .main-nav.open {
   display: flex;
 }
 .main-nav a {
   width: 100%;
   padding: 10px 14px;
   font-size: 0.9rem;
 }
 .nav-cta {
   display: none;
 }
 .site-header .row {
   position: relative;
 }
 .hero-grid {
   grid-template-columns: 1fr;
   gap: 36px;
 }
 .value-prop-grid {
   grid-template-columns: 1fr;
   gap: 28px;
 }
 .feature-group-grid {
   grid-template-columns: 1fr;
 }
 .use-case-grid {
   grid-template-columns: 1fr;
 }
 .read-guide-grid {
   grid-template-columns: 1fr;
 }
 .success-stats {
   grid-template-columns: 1fr 1fr;
 }
 .hero-kpi {
   gap: 18px;
 }
}
@media (max-width: 520px) {
 .container-pad {
   padding-left: 16px;
   padding-right: 16px;
 }
 .section-pad {
   padding-top: 48px;
   padding-bottom: 48px;
 }
 .hero-live {
   padding: 48px 0 60px;
 }
 .hero-content h1 {
   font-size: 1.6rem;
 }
 .hero-content p.hero-lead {
   font-size: 0.95rem;
 }
 .hero-kpi-item .kpi-num {
   font-size: 1.25rem;
 }
 .footer-grid {
   grid-template-columns: 1fr;
   gap: 22px;
 }
 .footer-bottom {
   flex-direction: column;
   align-items: flex-start;
   gap: 10px;
 }
 .footer-bottom .footer-links {
   flex-direction: column;
   gap: 8px;
 }
 .success-stats {
   grid-template-columns: 1fr;
 }
 .cta-inner {
   flex-direction: column;
   align-items: flex-start;
 }
 .btn-lg {
   padding: 14px 26px;
   font-size: 0.92rem;
 }
 .comparison-table th, .comparison-table td {
   padding: 10px 12px;
   font-size: 0.78rem;
 }
}

/* roulang page: category5 */
:root {
            --primary: #0a2540;
            --primary-deep: #061a2f;
            --secondary: #00a66c;
            --secondary-light: #e6f7f0;
            --accent: #f5a623;
            --accent-light: #fff7eb;
            --bg: #ffffff;
            --bg-soft: #f6f9fc;
            --bg-deep: #0e2c47;
            --text: #1d2b36;
            --text-weak: #647482;
            --text-muted: #8c9aa8;
            --border: #e3eaf2;
            --border-strong: #cbd6e3;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 10px rgba(10, 37, 64, 0.05);
            --shadow-md: 0 8px 26px rgba(10, 37, 64, 0.08);
            --shadow-lg: 0 18px 50px rgba(10, 37, 64, 0.12);
            --shadow-green: 0 8px 24px rgba(0, 166, 108, 0.18);
            --transition: 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1240px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.72;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition), opacity var(--transition);
        }
        a:hover, a:focus {
            color: var(--secondary);
            text-decoration: none;
        }
        a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
            outline: 3px solid rgba(0, 166, 108, 0.45);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        .row {
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
        }
        .row.wide {
            max-width: 1320px;
        }
        .container-pad {
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-pad {
            padding-top: 72px;
            padding-bottom: 72px;
        }
        .section-pad-sm {
            padding-top: 52px;
            padding-bottom: 52px;
        }
        .section-pad-lg {
            padding-top: 88px;
            padding-bottom: 88px;
        }
        .text-white { color: #fff; }
        .text-white a { color: rgba(255, 255, 255, 0.82); }
        .text-white a:hover { color: #fff; }
        .text-center { text-align: center; }
        .section-title {
            font-size: clamp(1.65rem, 3.2vw, 2.3rem);
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-title.light { color: #fff; }
        .section-sub {
            font-size: 1.05rem;
            color: var(--text-weak);
            line-height: 1.75;
            max-width: 720px;
            margin-bottom: 36px;
        }
        .section-sub.light { color: rgba(255, 255, 255, 0.7); }
        .section-sub.center { margin-left: auto; margin-right: auto; text-align: center; }
        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--secondary-light);
            color: var(--secondary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
        }
        .badge-tag.light {
            background: rgba(0, 166, 108, 0.16);
            color: #7de3bd;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 14px 30px;
            border-radius: 12px;
            border: 2px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
            box-shadow: var(--shadow-green);
        }
        .btn-primary:hover {
            background: #008f5b;
            border-color: #008f5b;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0, 166, 108, 0.28);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--border-strong);
        }
        .btn-outline:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.45);
        }
        .btn-outline-light:hover {
            background: #fff;
            border-color: #fff;
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
        }
        .btn-white:hover {
            background: var(--secondary);
            border-color: var(--secondary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 10px 20px;
            font-size: 0.88rem;
        }
        .btn-lg {
            padding: 16px 38px;
            font-size: 1.05rem;
        }
        /* Header */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-sm);
        }
        .site-header .row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            padding-top: 14px;
            padding-bottom: 14px;
            position: relative;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .brand-logo:hover { color: var(--primary); }
        .logo-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 800;
            letter-spacing: 0;
        }
        .logo-accent { color: var(--secondary); }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 8px 13px;
            border-radius: 10px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-weak);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .main-nav a i { font-size: 0.85rem; }
        .main-nav a:hover, .main-nav a.active {
            color: var(--primary);
            background: var(--bg-soft);
        }
        .main-nav a.active {
            color: var(--secondary);
            background: var(--secondary-light);
            font-weight: 600;
        }
        .nav-cta { display: flex; align-items: center; gap: 10px; }
        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border-strong);
            border-radius: 10px;
            padding: 8px 14px;
            font-size: 1.2rem;
            color: var(--primary);
            cursor: pointer;
            transition: all var(--transition);
        }
        .nav-toggle:hover { background: var(--bg-soft); }
        /* Hero inner */
        .inner-hero {
            background: var(--primary);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            color: #fff;
            padding: 80px 0 70px;
            overflow: hidden;
        }
        .inner-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10,37,64,0.92) 0%, rgba(10,37,64,0.72) 100%);
            z-index: 1;
        }
        .inner-hero .row { position: relative; z-index: 2; }
        .inner-hero .breadcrumb-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
        }
        .inner-hero .breadcrumb-bar a { color: rgba(255, 255, 255, 0.7); }
        .inner-hero .breadcrumb-bar a:hover { color: #7de3bd; }
        .inner-hero h1 {
            font-size: clamp(2rem, 4.5vw, 3rem);
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }
        .inner-hero .hero-desc {
            font-size: 1.1rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.82);
            max-width: 680px;
            margin-bottom: 30px;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.75);
        }
        .hero-meta i { color: #7de3bd; margin-right: 6px; }
        /* Cards */
        .card-grid {
            display: grid;
            gap: 24px;
        }
        .card-grid.two { grid-template-columns: repeat(2, 1fr); }
        .card-grid.three { grid-template-columns: repeat(3, 1fr); }
        .card-grid.four { grid-template-columns: repeat(4, 1fr); }
        .info-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
        }
        .info-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--border-strong);
        }
        .info-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            background: var(--secondary-light);
            color: var(--secondary);
            margin-bottom: 16px;
        }
        .info-card h3 {
            font-size: 1.12rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .info-card p {
            font-size: 0.95rem;
            color: var(--text-weak);
            line-height: 1.7;
            margin: 0;
        }
        /* Feature block */
        .feature-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .feature-split.reverse { direction: rtl; }
        .feature-split.reverse > * { direction: ltr; }
        .feature-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
        }
        .feature-img img { width: 100%; height: 100%; object-fit: cover; }
        .feature-content h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .feature-content p {
            color: var(--text-weak);
            margin-bottom: 16px;
        }
        .check-list {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
        }
        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 10px;
            font-size: 0.95rem;
            color: var(--text-weak);
        }
        .check-list i { color: var(--secondary); margin-top: 5px; }
        /* Scenario */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .scenario-card {
            background: var(--bg-soft);
            border-radius: var(--radius-md);
            padding: 22px;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .scenario-card:hover { border-color: var(--secondary); box-shadow: var(--shadow-sm); }
        .scenario-card h4 { font-size: 1rem; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
        .scenario-card p { font-size: 0.9rem; color: var(--text-weak); margin: 0; }
        /* Stats */
        .stats-section {
            background: var(--bg-deep);
            color: #fff;
            border-radius: var(--radius-xl);
            margin-top: 48px;
            margin-bottom: 48px;
            padding: 40px 32px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #7de3bd;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }
        /* Testimonial / case */
        .case-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .case-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px;
            box-shadow: var(--shadow-sm);
        }
        .case-card .case-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }
        .case-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--secondary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--secondary);
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .case-header .case-name { font-weight: 600; color: var(--primary); font-size: 0.95rem; }
        .case-header .case-tag { font-size: 0.8rem; color: var(--text-muted); }
        .case-card p { font-size: 0.92rem; color: var(--text-weak); margin: 0; line-height: 1.7; }
        /* Pricing */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .pricing-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
            height: 100%;
        }
        .pricing-card.featured {
            border-color: var(--secondary);
            box-shadow: var(--shadow-md);
            transform: scale(1.02);
        }
        .pricing-card:hover { box-shadow: var(--shadow-md); }
        .pricing-card .price-badge {
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--secondary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
        }
        .pricing-card h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
        .pricing-card .price { font-size: 2.1rem; font-weight: 800; color: var(--primary); margin-bottom: 8px; }
        .pricing-card .price span { font-size: 0.95rem; font-weight: 400; color: var(--text-muted); }
        .pricing-card ul {
            list-style: none;
            padding: 0;
            margin: 18px 0 22px;
            text-align: left;
        }
        .pricing-card ul li {
            padding: 6px 0;
            font-size: 0.9rem;
            color: var(--text-weak);
            border-bottom: 1px dashed var(--border);
        }
        .pricing-card ul li i { color: var(--secondary); margin-right: 8px; }
        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover { border-color: var(--border-strong); }
        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.98rem;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question i { color: var(--secondary); transition: transform var(--transition); }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            display: none;
            padding: 0 22px 18px;
            font-size: 0.92rem;
            color: var(--text-weak);
            line-height: 1.75;
        }
        .faq-item.open .faq-answer { display: block; }
        /* CTA */
        .cta-box {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            border-radius: var(--radius-xl);
            padding: 52px 40px;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-box h2 { color: #fff; font-size: 1.8rem; font-weight: 700; margin-bottom: 12px; }
        .cta-box p { color: rgba(255, 255, 255, 0.8); max-width: 560px; margin: 0 auto 26px; }
        /* Footer */
        .site-footer {
            background: var(--primary-deep);
            color: #fff;
            padding-top: 56px;
            margin-top: 30px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .footer-desc {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .site-footer h5 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li { margin-bottom: 8px; }
        .site-footer ul a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .site-footer ul a:hover { color: #7de3bd; }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px 24px;
            padding: 22px 0;
            font-size: 0.83rem;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-links { display: flex; gap: 18px; }
        .footer-links a { color: rgba(255, 255, 255, 0.55); font-size: 0.83rem; }
        .footer-links a:hover { color: #7de3bd; }
        /* Responsive */
        @media (max-width: 1024px) {
            .card-grid.four { grid-template-columns: repeat(2, 1fr); }
            .scenario-grid { grid-template-columns: repeat(2, 1fr); }
            .pricing-grid { grid-template-columns: repeat(2, 1fr); }
            .pricing-card.featured { transform: scale(1); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .nav-toggle { display: inline-flex; }
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                gap: 0;
                padding: 16px 24px;
                border-top: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                z-index: 99;
            }
            .main-nav.open { display: flex; }
            .main-nav a { width: 100%; padding: 12px 0; border-bottom: 1px solid var(--bg-soft); }
            .nav-cta { display: none; }
            .feature-split, .feature-split.reverse { grid-template-columns: 1fr; gap: 24px; }
            .card-grid.two, .card-grid.three { grid-template-columns: 1fr; }
            .case-list { grid-template-columns: 1fr; }
            .scenario-grid { grid-template-columns: 1fr; }
            .pricing-grid { grid-template-columns: 1fr; }
            .site-footer .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .inner-hero { padding: 56px 0 44px; }
            .section-pad { padding-top: 48px; padding-bottom: 48px; }
        }
        @media (max-width: 520px) {
            .card-grid.four { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr; }
            .brand-logo { font-size: 1.15rem; }
            .logo-badge { width: 32px; height: 32px; font-size: 0.85rem; }
            .hero-meta { gap: 8px 16px; }
            .cta-box { padding: 36px 20px; }
        }
        /* Foundation overrides */
        .row { max-width: var(--container-max); margin-left: auto; margin-right: auto; }
        .row .row { max-width: none; min-width: 0; margin-left: -0.625rem; margin-right: -0.625rem; }
        .column, .columns { padding-left: 0.625rem; padding-right: 0.625rem; }
        button, .button { font-family: var(--font-sans); }
        ul, ol { margin-left: 1.25rem; }
        .no-bullet { list-style: none; margin-left: 0; }

/* 本页特有组件样式补充 */
        .apply-form {
            max-width: 620px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .apply-form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        .apply-form input,
        .apply-form textarea {
            background: rgba(255, 255, 255, 0.95);
            border: 1px solid transparent;
            border-radius: 10px;
            padding: 14px 18px;
            font-size: 0.95rem;
            color: var(--text);
            width: 100%;
            transition: border-color var(--transition), box-shadow var(--transition);
            resize: vertical;
        }
        .apply-form input::placeholder,
        .apply-form textarea::placeholder {
            color: var(--text-muted);
        }
        .apply-form input:focus,
        .apply-form textarea:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(0, 166, 108, 0.2);
            outline: none;
        }
        .apply-form .btn {
            align-self: center;
            min-width: 160px;
            background: #fff;
            color: var(--primary);
            border-color: #fff;
            font-weight: 700;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
        }
        .apply-form .btn:hover {
            background: rgba(255, 255, 255, 0.88);
            border-color: rgba(255, 255, 255, 0.88);
            transform: translateY(-2px);
            color: var(--primary);
            box-shadow: 0 14px 32px rgba(0, 0, 0, 0.2);
        }
        .form-note {
            margin-top: 14px;
            font-size: 0.83rem;
            color: rgba(255, 255, 255, 0.65);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }
        .form-note i {
            color: #7de3bd;
        }
        @media (max-width: 768px) {
            .apply-form-row {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #0a2540;
            --primary-deep: #061a2f;
            --secondary: #00a66c;
            --secondary-light: #e6f7f0;
            --accent: #f5a623;
            --accent-light: #fff7eb;
            --bg: #ffffff;
            --bg-soft: #f6f9fc;
            --bg-deep: #0e2c47;
            --text: #1d2b36;
            --text-weak: #647482;
            --text-muted: #8c9aa8;
            --border: #e3eaf2;
            --border-strong: #cbd6e3;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 10px rgba(10, 37, 64, 0.05);
            --shadow-md: 0 8px 26px rgba(10, 37, 64, 0.08);
            --shadow-lg: 0 18px 50px rgba(10, 37, 64, 0.12);
            --shadow-green: 0 8px 24px rgba(0, 166, 108, 0.18);
            --transition: 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1240px;
        }

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

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.72;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

        a:hover,
        a:focus {
            color: var(--secondary);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(0, 166, 108, 0.45);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        .row {
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
        }

        .row.wide {
            max-width: 1320px;
        }

        .container-pad {
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-pad {
            padding-top: 72px;
            padding-bottom: 72px;
        }

        .section-pad-sm {
            padding-top: 52px;
            padding-bottom: 52px;
        }

        .section-pad-lg {
            padding-top: 88px;
            padding-bottom: 88px;
        }

        .text-white {
            color: #fff;
        }

        .text-white a {
            color: rgba(255, 255, 255, 0.82);
        }

        .text-white a:hover {
            color: #fff;
        }

        .text-center {
            text-align: center;
        }

        .section-title {
            font-size: clamp(1.65rem, 3.2vw, 2.3rem);
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-title.light {
            color: #fff;
        }

        .section-sub {
            font-size: 1.05rem;
            color: var(--text-weak);
            line-height: 1.75;
            max-width: 720px;
            margin-bottom: 36px;
        }

        .section-sub.light {
            color: rgba(255, 255, 255, 0.7);
        }

        .section-sub.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--secondary-light);
            color: var(--secondary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
        }

        .badge-tag.light {
            background: rgba(0, 166, 108, 0.16);
            color: #7de3bd;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 14px 30px;
            border-radius: 12px;
            border: 2px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
            box-shadow: var(--shadow-green);
        }

        .btn-primary:hover {
            background: #008f5b;
            border-color: #008f5b;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0, 166, 108, 0.28);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--border-strong);
        }

        .btn-outline:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.45);
        }

        .btn-outline-light:hover {
            background: #fff;
            border-color: #fff;
            color: var(--primary);
            transform: translateY(-2px);
        }

        .btn-white {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
            box-shadow: var(--shadow-md);
        }

        .btn-white:hover {
            background: var(--bg-soft);
            border-color: var(--bg-soft);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 0.85rem;
            border-radius: 10px;
        }

        .btn-lg {
            padding: 16px 38px;
            font-size: 1.05rem;
            border-radius: 14px;
        }

        /* Header / Navigation */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 0 rgba(10, 37, 64, 0.04);
        }

        .site-header .row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 16px;
            flex-wrap: wrap;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

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

        .logo-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: 9px;
            letter-spacing: 0.05em;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-weak);
            padding: 8px 14px;
            border-radius: 10px;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .main-nav a:hover {
            background: var(--bg-soft);
            color: var(--primary);
        }

        .main-nav a.active {
            background: var(--secondary-light);
            color: var(--secondary);
            font-weight: 600;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--primary);
            cursor: pointer;
            padding: 8px 12px;
            border-radius: 8px;
            transition: background var(--transition);
        }

        .nav-toggle:hover {
            background: var(--bg-soft);
        }

        /* Hero */
        .hero-team {
            position: relative;
            background: linear-gradient(135deg, var(--primary-deep) 0%, #0d3b5e 55%, #0f4a6b 100%);
            padding: 72px 0 80px;
            overflow: hidden;
        }

        .hero-team::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            pointer-events: none;
        }

        .hero-team::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 26, 47, 0.25) 0%, rgba(14, 44, 71, 0.55) 100%);
            pointer-events: none;
        }

        .hero-team .row {
            position: relative;
            z-index: 2;
        }

        .hero-team-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 166, 108, 0.2);
            color: #8ce7c0;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            border: 1px solid rgba(0, 166, 108, 0.35);
        }

        .hero-title {
            font-size: clamp(1.9rem, 4vw, 2.8rem);
            font-weight: 700;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: -0.01em;
        }

        .hero-title span {
            color: #8ce7c0;
            border-bottom: 3px solid var(--secondary);
            padding-bottom: 2px;
        }

        .hero-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.75;
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-form-wrap {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 26px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .hero-form-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .hero-form-sub {
            font-size: 0.85rem;
            color: var(--text-weak);
            margin-bottom: 18px;
        }

        .form-group {
            margin-bottom: 14px;
        }

        .form-group label {
            display: block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-weak);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 1.5px solid var(--border);
            border-radius: 10px;
            font-size: 0.9rem;
            color: var(--text);
            background: var(--bg-soft);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(0, 166, 108, 0.15);
            outline: none;
            background: #fff;
        }

        .hero-form-wrap .btn {
            width: 100%;
            margin-top: 4px;
        }

        .hero-stats-row {
            display: flex;
            gap: 36px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-num {
            font-size: 1.7rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        /* Value Section */
        .value-section {
            background: var(--bg);
        }

        .value-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 40px;
        }

        .value-card {
            background: var(--bg-soft);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .value-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--secondary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition);
        }

        .value-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
            transform: translateY(-4px);
        }

        .value-card:hover::before {
            transform: scaleX(1);
        }

        .value-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--secondary-light);
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
        }

        .value-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .value-card p {
            font-size: 0.92rem;
            color: var(--text-weak);
            line-height: 1.7;
            margin: 0;
        }

        /* Data Stats */
        .stats-section {
            background: var(--bg-deep);
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 166, 108, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            z-index: 1;
        }

        .stat-box {
            text-align: center;
            padding: 28px 16px;
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition);
        }

        .stat-box:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
        }

        .stat-box .num {
            font-size: 2.2rem;
            font-weight: 700;
            color: #8ce7c0;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-box .label {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.65);
        }

        /* Feature Groups */
        .feature-section {
            background: var(--bg);
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 40px;
        }

        .feature-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: var(--border-strong);
        }

        .feature-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .feature-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .feature-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(10, 37, 64, 0.55) 100%);
            pointer-events: none;
        }

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

        .feature-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .feature-card-body h3 i {
            color: var(--secondary);
            font-size: 0.95rem;
        }

        .feature-card-body p {
            font-size: 0.9rem;
            color: var(--text-weak);
            line-height: 1.7;
            margin: 0 0 14px;
            flex: 1;
        }

        .feature-card-body .link-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }

        .feature-card-body .link-more:hover {
            gap: 10px;
            color: #008f5b;
        }

        /* Deep Content */
        .deep-section {
            background: var(--bg-soft);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .deep-layout {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 48px;
            align-items: center;
        }

        .deep-img-wrap {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .deep-img-wrap img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        .deep-img-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 37, 64, 0.3) 0%, transparent 60%);
            pointer-events: none;
        }

        .deep-content h2 {
            font-size: clamp(1.5rem, 2.8vw, 2rem);
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            line-height: 1.35;
        }

        .deep-content p {
            font-size: 0.98rem;
            color: var(--text-weak);
            line-height: 1.8;
            margin-bottom: 16px;
        }

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

        .deep-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.92rem;
            color: var(--text);
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            line-height: 1.6;
        }

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

        .deep-list li i {
            color: var(--secondary);
            margin-top: 4px;
            font-size: 0.9rem;
        }

        /* Scenario */
        .scenario-section {
            background: var(--bg);
        }

        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
            margin-top: 36px;
        }

        .scenario-card {
            background: var(--bg-soft);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            transition: all var(--transition);
            text-align: center;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--secondary);
            transform: translateY(-4px);
        }

        .scenario-icon {
            width: 52px;
            height: 52px;
            margin: 0 auto 14px;
            border-radius: 14px;
            background: var(--secondary-light);
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
        }

        .scenario-card h4 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .scenario-card p {
            font-size: 0.85rem;
            color: var(--text-weak);
            line-height: 1.65;
            margin: 0;
        }

        /* Case Study */
        .case-section {
            background: var(--bg-soft);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .case-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
            margin-top: 36px;
        }

        .case-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .case-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .case-card-img {
            height: 220px;
            overflow: hidden;
        }

        .case-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .case-card-body {
            padding: 22px 24px 24px;
            flex: 1;
        }

        .case-card-body .tag {
            display: inline-block;
            background: var(--accent-light);
            color: #c47f10;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 50px;
            margin-bottom: 10px;
        }

        .case-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .case-card-body p {
            font-size: 0.9rem;
            color: var(--text-weak);
            line-height: 1.7;
            margin: 0;
        }

        /* Pricing / Service Tier */
        .pricing-section {
            background: var(--bg);
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 40px;
        }

        .price-card {
            background: #fff;
            border: 1.5px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: all var(--transition);
            position: relative;
        }

        .price-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .price-card.featured {
            border-color: var(--secondary);
            box-shadow: var(--shadow-green);
        }

        .price-card.featured::before {
            content: '推荐';
            position: absolute;
            top: -12px;
            right: 24px;
            background: var(--secondary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
        }

        .price-name {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .price-amount {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .price-amount span {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
        }

        .price-desc {
            font-size: 0.85rem;
            color: var(--text-weak);
            margin-bottom: 18px;
        }

        .price-list {
            list-style: none;
            margin: 0 0 22px;
            padding: 0;
        }

        .price-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text);
            padding: 8px 0;
            border-bottom: 1px dashed var(--border);
        }

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

        .price-list li i {
            color: var(--secondary);
            font-size: 0.85rem;
        }

        .price-card .btn {
            width: 100%;
        }

        /* FAQ */
        .faq-section {
            background: var(--bg-soft);
            border-top: 1px solid var(--border);
        }

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

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

        .faq-item:hover {
            border-color: var(--border-strong);
        }

        .faq-question {
            padding: 18px 24px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-weight: 600;
            color: var(--primary);
            font-size: 0.98rem;
            transition: background var(--transition);
            user-select: none;
        }

        .faq-question:hover {
            background: var(--bg-soft);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--secondary-light);
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: transform var(--transition);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-weak);
            line-height: 1.7;
            margin: 0;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--bg-deep) 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 166, 108, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-box {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 60px 24px;
        }

        .cta-box h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .cta-box p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.72);
            max-width: 620px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

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

        /* Footer */
        .site-footer {
            background: var(--primary-deep);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 56px;
            padding-bottom: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 40px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 16px;
            max-width: 340px;
        }

        .site-footer h5 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

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

        .site-footer ul li {
            margin-bottom: 10px;
        }

        .site-footer ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 18px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-links {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.82rem;
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-team-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .value-grid,
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .deep-img-wrap img {
                height: 280px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                padding: 16px 24px;
                flex-direction: column;
                align-items: flex-start;
                gap: 2px;
                box-shadow: var(--shadow-md);
                max-height: 70vh;
                overflow-y: auto;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 10px 14px;
                font-size: 0.95rem;
            }
            .nav-cta {
                display: none;
            }
            .site-header .row {
                min-height: 60px;
                position: relative;
            }
            .value-grid,
            .feature-grid,
            .case-grid,
            .pricing-grid {
                grid-template-columns: 1fr;
            }
            .scenario-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-pad {
                padding-top: 52px;
                padding-bottom: 52px;
            }
            .section-pad-lg {
                padding-top: 64px;
                padding-bottom: 64px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .deep-img-wrap img {
                height: 220px;
            }
        }

        @media (max-width: 520px) {
            .container-pad {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-team {
                padding: 48px 0 56px;
            }
            .hero-stats-row {
                gap: 20px;
            }
            .hero-stat-num {
                font-size: 1.4rem;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .stat-box .num {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 0.95rem;
            }
            .brand-logo {
                font-size: 1.05rem;
            }
            .logo-badge {
                width: 28px;
                height: 28px;
                font-size: 0.65rem;
            }
        }