/* roulang page: index */
:root {
            --primary: #1E7E34;
            --primary-dark: #145C26;
            --primary-light: #28a745;
            --accent: #F97316;
            --accent-dark: #ea580c;
            --bg: #FAFAFA;
            --card-bg: #FFFFFF;
            --dark-bg: #0B2B1A;
            --dark-bg2: #0d331f;
            --text: #1a1a1a;
            --text-weak: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --radius: 8px;
            --radius-sm: 6px;
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 6px 20px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10);
            --transition: 0.3s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background-color: var(--bg);
            min-width: 320px;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        textarea {
            font-family: inherit;
            font-size: 16px;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 40px;
            }
        }
        @media (min-width: 1280px) {
            .container {
                padding: 0 32px;
            }
        }

        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.10);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 24px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 900;
            flex-shrink: 0;
        }
        .nav-links {
            display: none;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            align-items: center;
            flex-wrap: nowrap;
        }
        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }
        .nav-links>li {
            position: relative;
        }
        .nav-links>li>a {
            display: block;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: #374151;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.1px;
        }
        .nav-links>li>a:hover,
        .nav-links>li>a.active {
            color: var(--primary);
            background: #f0fdf4;
        }
        .nav-links>li>a.active {
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn-nav {
            display: none;
            padding: 9px 20px;
            font-size: 14px;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
        }
        @media (min-width: 768px) {
            .btn-nav {
                display: inline-block;
            }
        }
        .btn-nav:hover {
            background: var(--primary-dark);
        }
        .hamburger {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 20px;
            color: #374151;
            cursor: pointer;
            transition: all var(--transition);
        }
        @media (min-width: 1024px) {
            .hamburger {
                display: none;
            }
        }
        .hamburger:hover {
            background: #f9fafb;
            border-color: #d1d5db;
        }

        /* Mega Menu */
        .mega-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: #fff;
            border-radius: 12px;
            box-shadow: var(--shadow-lg);
            padding: 28px 32px;
            min-width: 620px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: all 0.25s ease;
            z-index: 999;
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
            border: 1px solid var(--border);
        }
        .nav-links>li.mega-trigger:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(4px);
        }
        .mega-panel .mega-col h4 {
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.6px;
            color: var(--text-weak);
            margin: 0 0 12px 0;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--border);
        }
        .mega-panel .mega-col a {
            display: block;
            padding: 7px 0;
            font-size: 14px;
            color: #374151;
            transition: color var(--transition);
            border-radius: 4px;
        }
        .mega-panel .mega-col a:hover {
            color: var(--primary);
        }
        .mega-card {
            background: #f9fafb;
            border-radius: var(--radius);
            padding: 16px;
            text-align: center;
            transition: all var(--transition);
            cursor: pointer;
        }
        .mega-card:hover {
            background: #f0fdf4;
            box-shadow: var(--shadow);
        }
        .mega-card .mega-card-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .mega-card span {
            font-size: 13px;
            font-weight: 600;
            color: #374151;
        }

        /* Mobile Menu */
        .mobile-menu {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: var(--dark-bg);
            z-index: 2000;
            display: flex;
            flex-direction: column;
            padding: 24px 20px;
            transform: translateX(-100%);
            transition: transform 0.35s ease;
            overflow-y: auto;
        }
        .mobile-menu.open {
            transform: translateX(0);
        }
        .mobile-menu .mobile-menu-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 32px;
        }
        .mobile-menu .mobile-logo {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
        }
        .mobile-menu .close-btn {
            background: none;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            font-size: 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .mobile-menu nav a {
            display: block;
            padding: 14px 0;
            font-size: 17px;
            color: rgba(255, 255, 255, 0.9);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            font-weight: 500;
            transition: color var(--transition);
        }
        .mobile-menu nav a:hover,
        .mobile-menu nav a.active {
            color: #fff;
        }
        .mobile-menu nav a.active {
            font-weight: 700;
            border-left: 3px solid var(--accent);
            padding-left: 12px;
        }

        /* Section Spacing */
        section {
            padding: 60px 0;
        }
        @media (min-width: 768px) {
            section {
                padding: 80px 0;
            }
        }
        @media (min-width: 1024px) {
            section {
                padding: 90px 0;
            }
        }

        /* Hero - No large image, icon matrix + status bar */
        .hero-section {
            background: var(--dark-bg);
            position: relative;
            overflow: hidden;
            padding: 50px 0 60px;
            min-height: 70vh;
            display: flex;
            align-items: center;
        }
        @media (min-width: 768px) {
            .hero-section {
                padding: 70px 0 80px;
                min-height: 75vh;
            }
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(30, 126, 52, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(249, 115, 22, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        @media (min-width: 1024px) {
            .hero-content {
                flex-direction: row;
                align-items: center;
                gap: 48px;
            }
        }
        .hero-text {
            flex: 1;
            color: #fff;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(249, 115, 22, 0.2);
            color: var(--accent);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            border: 1px solid rgba(249, 115, 22, 0.3);
        }
        .hero-text h1 {
            font-family: var(--font-heading);
            font-size: 30px;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 16px 0;
            letter-spacing: -0.5px;
            color: #fff;
        }
        @media (min-width: 768px) {
            .hero-text h1 {
                font-size: 38px;
            }
        }
        @media (min-width: 1024px) {
            .hero-text h1 {
                font-size: 44px;
            }
        }
        .hero-text h1 .highlight {
            color: var(--accent);
        }
        .hero-text .hero-desc {
            font-size: 16px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.8);
            margin: 0 0 24px 0;
            max-width: 540px;
        }
        @media (min-width: 768px) {
            .hero-text .hero-desc {
                font-size: 17px;
            }
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .btn-primary {
            display: inline-block;
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 700;
            background: var(--accent);
            color: #fff;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            letter-spacing: 0.2px;
            text-align: center;
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            box-shadow: 0 4px 16px rgba(249, 115, 22, 0.4);
            transform: translateY(-1px);
        }
        .btn-outline-light {
            display: inline-block;
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 600;
            background: transparent;
            color: #fff;
            border-radius: var(--radius-sm);
            border: 2px solid rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: all var(--transition);
            letter-spacing: 0.2px;
            text-align: center;
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .hero-status-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }
        .hero-status-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 13px;
            font-weight: 500;
        }
        .hero-status-item .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #22c55e;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(34, 197, 94, 0);
            }
        }
        .hero-icon-matrix {
            flex: 0 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 12px;
            width: 100%;
            max-width: 340px;
            margin: 0 auto;
        }
        @media (min-width: 1024px) {
            .hero-icon-matrix {
                max-width: 320px;
            }
        }
        .hero-icon-cell {
            background: rgba(255, 255, 255, 0.06);
            border-radius: 12px;
            padding: 20px 14px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition);
            cursor: default;
        }
        .hero-icon-cell:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-3px);
        }
        .hero-icon-cell .hicon {
            font-size: 28px;
            margin-bottom: 6px;
            display: block;
        }
        .hero-icon-cell .hlabel {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
            letter-spacing: 0.3px;
        }

        /* Section Titles */
        .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        @media (min-width: 768px) {
            .section-title {
                margin-bottom: 52px;
            }
        }
        .section-title h2 {
            font-family: var(--font-heading);
            font-size: 26px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 10px 0;
            letter-spacing: -0.3px;
        }
        @media (min-width: 768px) {
            .section-title h2 {
                font-size: 30px;
            }
        }
        .section-title p {
            font-size: 15px;
            color: var(--text-weak);
            margin: 0 auto;
            max-width: 560px;
            line-height: 1.7;
        }

        /* Entry Matrix */
        .entry-matrix-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        @media (min-width: 640px) {
            .entry-matrix-grid {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 20px;
            }
        }
        @media (min-width: 1024px) {
            .entry-matrix-grid {
                grid-template-columns: repeat(6, 1fr);
                gap: 20px;
            }
        }
        .entry-card {
            background: var(--card-bg);
            border-radius: 12px;
            padding: 24px 18px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid transparent;
            cursor: pointer;
            display: block;
            color: inherit;
        }
        .entry-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
            transform: translateY(-4px);
        }
        .entry-card .entry-icon {
            font-size: 32px;
            margin-bottom: 10px;
            display: block;
        }
        .entry-card h3 {
            font-size: 15px;
            font-weight: 700;
            margin: 0 0 6px 0;
            color: var(--text);
        }
        .entry-card p {
            font-size: 12px;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.5;
        }

        /* Sell Points Trio */
        .sell-trio-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }
        @media (min-width: 768px) {
            .sell-trio-grid {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 28px;
            }
        }
        .sell-card {
            background: var(--card-bg);
            border-radius: 14px;
            padding: 32px 24px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border-top: 4px solid transparent;
            position: relative;
        }
        .sell-card:nth-child(1) {
            border-top-color: var(--primary);
        }
        .sell-card:nth-child(2) {
            border-top-color: var(--accent);
        }
        .sell-card:nth-child(3) {
            border-top-color: #3b82f6;
        }
        .sell-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .sell-card .sell-icon {
            font-size: 36px;
            margin-bottom: 14px;
            display: block;
        }
        .sell-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 8px 0;
            color: var(--text);
        }
        .sell-card p {
            font-size: 14px;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.6;
        }

        /* Milestone / Data Dashboard */
        .milestone-section {
            background: var(--dark-bg2);
            color: #fff;
        }
        .milestone-section .section-title h2 {
            color: #fff;
        }
        .milestone-section .section-title p {
            color: rgba(255, 255, 255, 0.7);
        }
        .data-strip {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        @media (min-width: 640px) {
            .data-strip {
                grid-template-columns: repeat(4, 1fr);
                gap: 24px;
            }
        }
        .data-item {
            text-align: center;
            padding: 20px 12px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition);
        }
        .data-item:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .data-item .data-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent);
            display: block;
            letter-spacing: -1px;
            line-height: 1;
        }
        @media (min-width: 768px) {
            .data-item .data-num {
                font-size: 44px;
            }
        }
        .data-item .data-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
            font-weight: 500;
        }

        /* Brand Intro */
        .brand-intro-section {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .brand-intro-inner {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        @media (min-width: 768px) {
            .brand-intro-inner {
                flex-direction: row;
                align-items: center;
                gap: 40px;
            }
        }
        .brand-intro-img {
            flex: 0 0 280px;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        @media (min-width: 768px) {
            .brand-intro-img {
                flex: 0 0 340px;
            }
        }
        .brand-intro-img img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        @media (min-width: 768px) {
            .brand-intro-img img {
                height: 260px;
            }
        }
        .brand-intro-text h2 {
            font-size: 24px;
            font-weight: 700;
            margin: 0 0 12px 0;
            color: var(--text);
        }
        .brand-intro-text p {
            font-size: 15px;
            color: #4b5563;
            line-height: 1.8;
            margin: 0 0 10px 0;
        }

        /* News Section */
        .news-layout {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        @media (min-width: 768px) {
            .news-layout {
                flex-direction: row;
                gap: 36px;
            }
        }
        .news-list {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            padding: 18px 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
            display: block;
            color: inherit;
        }
        .news-item:hover {
            padding-left: 8px;
            background: #fafdfa;
        }
        .news-item .news-date {
            font-size: 12px;
            color: var(--accent);
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 4px;
        }
        .news-item h4 {
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 6px 0;
            color: var(--text);
            line-height: 1.4;
        }
        .news-item p {
            font-size: 13px;
            color: var(--text-weak);
            margin: 0 0 8px 0;
            line-height: 1.5;
        }
        .news-item .read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }
        .news-item .read-more:hover {
            color: var(--primary-dark);
            gap: 8px;
        }
        .news-sidebar {
            flex: 0 0 280px;
            background: var(--card-bg);
            border-radius: 12px;
            padding: 24px;
            box-shadow: var(--shadow);
            align-self: flex-start;
        }
        @media (min-width: 768px) {
            .news-sidebar {
                flex: 0 0 300px;
            }
        }
        .news-sidebar h4 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 16px 0;
            color: var(--text);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
        }
        .news-sidebar ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .news-sidebar ul li {
            padding: 10px 0;
            border-bottom: 1px solid #f3f4f6;
            font-size: 14px;
            color: #4b5563;
            cursor: pointer;
            transition: color var(--transition);
        }
        .news-sidebar ul li:hover {
            color: var(--primary);
        }
        .news-sidebar ul li .hot-tag {
            display: inline-block;
            background: #fef3c7;
            color: #d97706;
            font-size: 10px;
            font-weight: 700;
            padding: 2px 7px;
            border-radius: 10px;
            margin-left: 6px;
            vertical-align: middle;
        }

        /* Platform Guarantee */
        .guarantee-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        @media (min-width: 768px) {
            .guarantee-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 24px;
            }
        }
        .guarantee-card {
            background: var(--card-bg);
            border-radius: 12px;
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .guarantee-card:hover {
            border-color: #d1fae5;
            box-shadow: var(--shadow-hover);
        }
        .guarantee-card .g-icon {
            font-size: 34px;
            color: var(--primary);
            margin-bottom: 10px;
            display: block;
        }
        .guarantee-card h4 {
            font-size: 15px;
            font-weight: 700;
            margin: 0 0 6px 0;
            color: var(--text);
        }
        .guarantee-card p {
            font-size: 13px;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.5;
        }

        /* Review Bubbles */
        .review-bubble-wall {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .review-bubble {
            background: var(--card-bg);
            border-radius: 16px;
            padding: 20px 18px;
            box-shadow: var(--shadow);
            max-width: 300px;
            flex: 1 1 260px;
            transition: all var(--transition);
            border: 1px solid #f3f4f6;
            position: relative;
        }
        .review-bubble:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .review-bubble::before {
            content: '"';
            position: absolute;
            top: 8px;
            left: 14px;
            font-size: 40px;
            color: #e5e7eb;
            font-weight: 900;
            line-height: 1;
            pointer-events: none;
        }
        .review-bubble .review-text {
            font-size: 14px;
            color: #4b5563;
            line-height: 1.6;
            margin: 0 0 12px 0;
            padding-top: 8px;
        }
        .review-bubble .review-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .review-bubble .review-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: #e5e7eb;
            flex-shrink: 0;
            overflow: hidden;
        }
        .review-bubble .review-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .review-bubble .review-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
        }
        .review-bubble .review-role {
            font-size: 11px;
            color: var(--text-light);
        }

        /* Campaign Zone */
        .campaign-zone {
            background: linear-gradient(135deg, #fef3c7 0%, #ffe4c4 40%, #fde68a 100%);
            border-radius: 16px;
            padding: 36px 24px;
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        @media (min-width: 768px) {
            .campaign-zone {
                padding: 48px 36px;
                text-align: left;
                display: flex;
                align-items: center;
                gap: 36px;
            }
        }
        .campaign-zone::after {
            content: '';
            position: absolute;
            right: -30px;
            top: -30px;
            width: 180px;
            height: 180px;
            background: rgba(249, 115, 22, 0.12);
            border-radius: 50%;
            pointer-events: none;
        }
        .campaign-zone .campaign-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.6px;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .campaign-zone h3 {
            font-size: 24px;
            font-weight: 800;
            margin: 0 0 8px 0;
            color: #1a1a1a;
            position: relative;
            z-index: 1;
        }
        @media (min-width: 768px) {
            .campaign-zone h3 {
                font-size: 28px;
            }
        }
        .campaign-zone p {
            font-size: 15px;
            color: #4b5563;
            margin: 0 0 20px 0;
            position: relative;
            z-index: 1;
            line-height: 1.6;
        }
        .campaign-zone .btn-primary {
            position: relative;
            z-index: 1;
            font-size: 15px;
            padding: 14px 32px;
        }

        /* Service Scope */
        .service-scope-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        @media (min-width: 640px) {
            .service-scope-grid {
                grid-template-columns: 2fr 1fr;
                gap: 24px;
            }
        }
        @media (min-width: 1024px) {
            .service-scope-grid {
                grid-template-columns: 2fr 1fr 1fr;
                gap: 24px;
            }
        }
        .service-scope-card {
            background: var(--card-bg);
            border-radius: 12px;
            padding: 28px 22px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border-left: 4px solid transparent;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .service-scope-card:nth-child(1) {
            border-left-color: var(--primary);
        }
        .service-scope-card:nth-child(2) {
            border-left-color: var(--accent);
        }
        .service-scope-card:nth-child(3) {
            border-left-color: #3b82f6;
        }
        .service-scope-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .service-scope-card h4 {
            font-size: 17px;
            font-weight: 700;
            margin: 0;
            color: var(--text);
        }
        .service-scope-card p {
            font-size: 14px;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.6;
        }
        .service-scope-card .scope-icon {
            font-size: 28px;
        }

        /* Case Summary */
        .case-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }
        @media (min-width: 768px) {
            .case-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        .case-card {
            background: var(--card-bg);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        @media (min-width: 640px) {
            .case-card {
                flex-direction: row;
            }
        }
        .case-card:hover {
            box-shadow: var(--shadow-hover);
        }
        .case-card .case-img {
            flex: 0 0 180px;
            overflow: hidden;
        }
        @media (min-width: 640px) {
            .case-card .case-img {
                flex: 0 0 200px;
            }
        }
        .case-card .case-img img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            transition: transform var(--transition);
        }
        @media (min-width: 640px) {
            .case-card .case-img img {
                height: 100%;
                min-height: 180px;
            }
        }
        .case-card:hover .case-img img {
            transform: scale(1.05);
        }
        .case-card .case-info {
            padding: 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .case-card .case-tag {
            font-size: 11px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.4px;
            margin-bottom: 6px;
        }
        .case-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 6px 0;
            color: var(--text);
        }
        .case-card p {
            font-size: 13px;
            color: var(--text-weak);
            margin: 0 0 10px 0;
            line-height: 1.5;
        }
        .case-card .case-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }
        .case-card .case-link:hover {
            gap: 8px;
            color: var(--primary-dark);
        }

        /* Data Analysis Deep Zone */
        .data-deep-zone {
            background: #f0fdf4;
            border-radius: 16px;
            padding: 36px 24px;
        }
        @media (min-width: 768px) {
            .data-deep-zone {
                padding: 44px 36px;
            }
        }
        .data-deep-zone h3 {
            font-size: 22px;
            font-weight: 700;
            margin: 0 0 16px 0;
            color: var(--text);
        }
        .data-deep-zone .deep-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            grid-template-columns: 1fr;
            gap: 12px;
        }
        @media (min-width: 640px) {
            .data-deep-zone .deep-list {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
        }
        .data-deep-zone .deep-list li {
            padding: 14px 16px;
            background: #fff;
            border-radius: 8px;
            font-size: 14px;
            color: #4b5563;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
            transition: all var(--transition);
        }
        .data-deep-zone .deep-list li:hover {
            box-shadow: var(--shadow);
            transform: translateX(3px);
        }
        .data-deep-zone .deep-list li .deep-check {
            color: var(--primary);
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 1px;
        }

        /* FAQ */
        .faq-layout {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        @media (min-width: 768px) {
            .faq-layout {
                flex-direction: row;
                gap: 36px;
            }
        }
        .faq-questions {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            cursor: pointer;
            padding: 16px 0;
            transition: all var(--transition);
        }
        .faq-item .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            gap: 12px;
        }
        .faq-item .faq-q .faq-arrow {
            font-size: 14px;
            color: var(--text-weak);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-q .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            font-size: 14px;
            color: #4b5563;
            line-height: 1.7;
        }
        .faq-item.open .faq-a {
            max-height: 200px;
            padding-top: 10px;
        }
        .faq-answer-panel {
            flex: 0 0 320px;
            background: #f9fafb;
            border-radius: 12px;
            padding: 24px;
            display: none;
            align-self: flex-start;
            border: 1px solid var(--border);
        }
        @media (min-width: 768px) {
            .faq-answer-panel {
                display: block;
                flex: 0 0 340px;
            }
        }
        .faq-answer-panel h4 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 10px 0;
            color: var(--text);
        }
        .faq-answer-panel .faq-panel-content {
            font-size: 14px;
            color: #4b5563;
            line-height: 1.7;
        }

        /* App Download */
        .app-download-section {
            background: var(--dark-bg);
            color: #fff;
            border-radius: 16px;
            padding: 40px 24px;
            text-align: center;
        }
        @media (min-width: 768px) {
            .app-download-section {
                padding: 50px 40px;
                display: flex;
                align-items: center;
                gap: 40px;
                text-align: left;
            }
        }
        .app-download-section .app-text h3 {
            font-size: 24px;
            font-weight: 700;
            margin: 0 0 10px 0;
            color: #fff;
        }
        .app-download-section .app-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin: 0 0 20px 0;
            line-height: 1.6;
        }
        .app-download-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        @media (min-width: 768px) {
            .app-download-btns {
                justify-content: flex-start;
            }
        }
        .app-download-btns .btn-dl {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 22px;
            background: #fff;
            color: #1a1a1a;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }
        .app-download-btns .btn-dl:hover {
            background: #e5e7eb;
            transform: translateY(-2px);
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
        }
        .app-qr {
            flex: 0 0 140px;
            background: #fff;
            border-radius: 12px;
            padding: 12px;
            display: inline-block;
            margin-top: 20px;
        }
        @media (min-width: 768px) {
            .app-qr {
                margin-top: 0;
            }
        }
        .app-qr img {
            width: 120px;
            height: 120px;
            object-fit: contain;
            border-radius: 6px;
        }

        /* CTA Contact */
        .cta-contact-section {
            background: #fff;
        }
        .cta-contact-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
        }
        @media (min-width: 768px) {
            .cta-contact-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }
        .contact-form {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .contact-form input,
        .contact-form textarea {
            width: 100%;
            height: 44px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 0 14px;
            font-size: 15px;
            color: var(--text);
            background: #fafafa;
            transition: all var(--transition);
            outline: none;
        }
        .contact-form textarea {
            height: 120px;
            padding: 12px 14px;
            resize: vertical;
        }
        .contact-form input:focus,
        .contact-form textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 126, 52, 0.08);
            background: #fff;
        }
        .contact-form input::placeholder,
        .contact-form textarea::placeholder {
            color: var(--text-light);
        }
        .contact-form .btn-submit {
            width: 100%;
            padding: 14px;
            font-size: 16px;
            font-weight: 700;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition);
            letter-spacing: 0.3px;
        }
        .contact-form .btn-submit:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(30, 126, 52, 0.3);
        }
        .contact-info-card {
            background: #f9fafb;
            border-radius: 12px;
            padding: 28px;
            border: 1px solid var(--border);
        }
        .contact-info-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 16px 0;
            color: var(--text);
        }
        .contact-info-card .info-row {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 14px;
            font-size: 14px;
            color: #4b5563;
            line-height: 1.5;
        }
        .contact-info-card .info-row .info-icon {
            color: var(--primary);
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* Footer */
        .site-footer {
            background: #1a1a1a;
            color: #d1d5db;
            padding: 48px 0 24px;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin-bottom: 32px;
        }
        @media (min-width: 640px) {
            .footer-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 32px;
            }
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px 0;
            letter-spacing: 0.2px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #9ca3af;
            font-size: 13px;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid #333;
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 12px;
            color: #9ca3af;
            text-align: center;
        }
        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
                text-align: left;
            }
        }
        .footer-bottom a {
            color: #9ca3af;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-bottom .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        @media (min-width: 768px) {
            .footer-bottom .footer-links-row {
                justify-content: flex-end;
            }
        }

        /* Responsive tweaks */
        @media (max-width: 767px) {
            .hero-text h1 {
                font-size: 26px;
            }
            .hero-icon-matrix {
                grid-template-columns: 1fr 1fr 1fr;
                max-width: 280px;
                gap: 8px;
            }
            .hero-icon-cell {
                padding: 14px 8px;
            }
            .hero-icon-cell .hicon {
                font-size: 22px;
            }
            .data-strip {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .data-item .data-num {
                font-size: 28px;
            }
            .entry-matrix-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .entry-card {
                padding: 16px 10px;
            }
            .entry-card h3 {
                font-size: 13px;
            }
            .sell-trio-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .case-card {
                flex-direction: column;
            }
            .case-card .case-img {
                flex: 0 0 auto;
            }
            .case-card .case-img img {
                height: 160px;
            }
            .guarantee-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .service-scope-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }
        @media (max-width: 520px) {
            .hero-icon-matrix {
                grid-template-columns: 1fr 1fr;
                max-width: 200px;
                gap: 8px;
            }
            .hero-icon-cell {
                padding: 12px 6px;
            }
            .hero-icon-cell .hicon {
                font-size: 20px;
            }
            .hero-icon-cell .hlabel {
                font-size: 10px;
            }
            .hero-status-bar {
                flex-direction: column;
                gap: 8px;
            }
            .entry-matrix-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .data-strip {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .guarantee-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .review-bubble-wall {
                gap: 10px;
            }
            .review-bubble {
                flex: 1 1 100%;
                max-width: 100%;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1E7E34;
            --primary-dark: #145C26;
            --primary-light: #28a745;
            --accent: #F97316;
            --accent-dark: #ea580c;
            --bg: #FAFAFA;
            --card-bg: #FFFFFF;
            --dark-bg: #0B2B1A;
            --dark-bg2: #0d331f;
            --text: #1a1a1a;
            --text-weak: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --radius: 8px;
            --radius-sm: 6px;
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 6px 20px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10);
            --transition: 0.3s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background-color: var(--bg);
            min-width: 320px;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        textarea {
            font-family: inherit;
            font-size: 16px;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.10);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 24px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 900;
            flex-shrink: 0;
        }

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

        .nav-links>li {
            position: relative;
        }

        .nav-links>li>a {
            display: block;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: #374151;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.1px;
        }

        .nav-links>li>a:hover,
        .nav-links>li>a.active {
            color: var(--primary);
            background: #f0fdf4;
        }

        .nav-links>li>a.active {
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-nav {
            display: inline-block;
            padding: 9px 20px;
            font-size: 14px;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-nav:hover {
            background: var(--primary-dark);
        }

        .hamburger {
            display: none;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 20px;
            color: #374151;
            cursor: pointer;
            transition: all var(--transition);
        }

        .hamburger:hover {
            background: #f9fafb;
            border-color: #d1d5db;
        }

        /* Mobile menu */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: var(--dark-bg);
            z-index: 2000;
            flex-direction: column;
            padding: 24px;
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .mobile-menu-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 32px;
        }
        .mobile-menu .mobile-logo {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .mobile-menu .mobile-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: #fff;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            font-weight: 900;
        }
        .mobile-menu .close-menu {
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
        }
        .mobile-menu .close-menu:hover {
            background: rgba(255, 255, 255, 0.25);
        }
        .mobile-menu .mobile-nav-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .mobile-menu .mobile-nav-links a {
            display: block;
            padding: 14px 18px;
            font-size: 17px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.9);
            border-radius: var(--radius);
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .mobile-menu .mobile-nav-links a:hover,
        .mobile-menu .mobile-nav-links a.active {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.25);
            color: #fff;
        }
        .mobile-menu .mobile-nav-links a.active {
            font-weight: 600;
            background: rgba(255, 255, 255, 0.15);
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 80vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 43, 26, 0.88) 0%, rgba(11, 43, 26, 0.65) 50%, rgba(11, 43, 26, 0.45) 100%);
            z-index: 1;
        }
        .hero-section .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        /* Section styles */
        .section-padding {
            padding: 64px 0;
        }
        @media (min-width: 768px) {
            .section-padding {
                padding: 80px 0;
            }
        }
        @media (min-width: 1024px) {
            .section-padding {
                padding: 96px 0;
            }
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-weak);
            margin-bottom: 36px;
            line-height: 1.6;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 32px;
            }
            .section-subtitle {
                font-size: 17px;
            }
        }

        /* Cards */
        .card {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            overflow: hidden;
            border: 1px solid transparent;
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            border-color: #e5e7eb;
            transform: translateY(-2px);
        }
        .card-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card:hover .card-image {
            transform: scale(1.05);
        }
        .card-body {
            padding: 20px;
        }
        .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-text {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .card-link:hover {
            color: var(--accent-dark);
        }
        .card-link i {
            transition: transform var(--transition);
        }
        .card-link:hover i {
            transform: translateX(4px);
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            font-size: 16px;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(30, 126, 52, 0.3);
            transform: translateY(-1px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            font-size: 16px;
            font-weight: 600;
            background: transparent;
            color: #fff;
            border: 2px solid #fff;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }
        .btn-outline:hover {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 4px 16px rgba(255, 255, 255, 0.2);
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            background: var(--accent);
            color: #fff;
            border-radius: var(--radius-sm);
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            box-shadow: 0 4px 16px rgba(249, 115, 22, 0.3);
        }
        .btn-accent-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            background: transparent;
            color: var(--accent);
            border: 2px solid var(--accent);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-accent-outline:hover {
            background: var(--accent);
            color: #fff;
        }

        /* Tags/Badges */
        .badge {
            display: inline-block;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            border-radius: 20px;
            letter-spacing: 0.3px;
        }
        .badge-green {
            background: #dcfce7;
            color: var(--primary);
        }
        .badge-orange {
            background: #fff7ed;
            color: var(--accent);
        }
        .badge-dark {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
        }

        /* Data stat cards */
        .stat-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: #e5e7eb;
        }
        .stat-number {
            font-size: 42px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 8px;
            font-family: var(--font-heading);
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-weak);
            font-weight: 500;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 12px;
            background: var(--card-bg);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-question {
            width: 100%;
            padding: 18px 20px;
            background: none;
            border: none;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: all var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
            background: #f9fafb;
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #f3f4f6;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-weak);
            transition: all var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        /* Form */
        .form-input {
            width: 100%;
            height: 44px;
            padding: 0 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 15px;
            color: var(--text);
            background: #fff;
            transition: all var(--transition);
            box-sizing: border-box;
        }
        .form-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 126, 52, 0.08);
        }
        .form-input::placeholder {
            color: #9CA3AF;
        }
        .form-textarea {
            width: 100%;
            min-height: 120px;
            padding: 12px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 15px;
            color: var(--text);
            background: #fff;
            transition: all var(--transition);
            resize: vertical;
            box-sizing: border-box;
        }
        .form-textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 126, 52, 0.08);
        }

        /* Progress bar */
        .progress-bar-wrap {
            background: rgba(255, 255, 255, 0.2);
            border-radius: 20px;
            height: 10px;
            overflow: hidden;
        }
        .progress-bar-fill {
            height: 100%;
            background: var(--accent);
            border-radius: 20px;
            transition: width 0.6s ease;
        }

        /* Dark section */
        .dark-section {
            background: var(--dark-bg);
            color: #fff;
        }
        .dark-section .section-title {
            color: #fff;
        }
        .dark-section .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        /* Footer */
        .site-footer {
            background: #111827;
            color: #d1d5db;
            padding: 48px 0 24px;
            font-size: 14px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
            margin-bottom: 36px;
        }
        @media (min-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .site-footer .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.2px;
        }
        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 8px;
        }
        .site-footer .footer-col ul li a {
            color: #9ca3af;
            transition: color var(--transition);
        }
        .site-footer .footer-col ul li a:hover {
            color: #fff;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid #374151;
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            font-size: 13px;
            color: #9ca3af;
            text-align: center;
        }
        @media (min-width: 768px) {
            .site-footer .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                text-align: left;
            }
        }
        .site-footer .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        @media (min-width: 768px) {
            .site-footer .footer-links-row {
                justify-content: flex-end;
            }
        }
        .site-footer .footer-links-row a {
            color: #9ca3af;
            transition: color var(--transition);
        }
        .site-footer .footer-links-row a:hover {
            color: #fff;
        }

        /* Responsive */
        @media (max-width: 1023px) {
            .nav-links {
                display: none;
            }
            .btn-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .container {
                padding: 0 20px;
            }
            .section-title {
                font-size: 24px;
            }
            .stat-number {
                font-size: 32px;
            }
            .hero-section {
                min-height: 60vh;
            }
        }
        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }
            .section-padding {
                padding: 48px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .hero-section {
                min-height: 55vh;
            }
            .card-image {
                height: 160px;
            }
            .stat-number {
                font-size: 28px;
            }
        }

        /* Group buy hero specific */
        .group-buy-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 16px;
            padding: 28px 24px;
            display: inline-block;
            min-width: 260px;
        }
        .group-avatars {
            display: flex;
            align-items: center;
            gap: -8px;
        }
        .group-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent);
            border: 2px solid rgba(255, 255, 255, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            margin-left: -8px;
        }
        .group-avatar:first-child {
            margin-left: 0;
        }
        .group-avatar-more {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.25);
            border: 2px solid rgba(255, 255, 255, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            margin-left: -8px;
        }

        /* Timeline */
        .timeline-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
        }
        .timeline-item:last-child {
            border-bottom: none;
        }
        .timeline-dot {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }
        .timeline-content h4 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 4px;
            color: var(--text);
        }
        .timeline-content p {
            font-size: 14px;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.6;
        }

/* roulang page: category2 */
:root {
            --primary: #1E7E34;
            --primary-dark: #145C26;
            --primary-light: #28a745;
            --accent: #F97316;
            --accent-dark: #ea580c;
            --bg: #FAFAFA;
            --card-bg: #FFFFFF;
            --dark-bg: #0B2B1A;
            --dark-bg2: #0d331f;
            --text: #1a1a1a;
            --text-weak: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --radius: 8px;
            --radius-sm: 6px;
            --radius-lg: 12px;
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 6px 20px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10);
            --transition: 0.3s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background-color: var(--bg);
            min-width: 320px;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        textarea {
            font-family: inherit;
            font-size: 16px;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
        }

        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.10);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 24px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 900;
            flex-shrink: 0;
        }

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

        .nav-links>li {
            position: relative;
        }

        .nav-links>li>a {
            display: block;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: #374151;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.1px;
        }

        .nav-links>li>a:hover,
        .nav-links>li>a.active {
            color: var(--primary);
            background: #f0fdf4;
        }

        .nav-links>li>a.active {
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-nav {
            display: inline-block;
            padding: 9px 20px;
            font-size: 14px;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-nav:hover {
            background: var(--primary-dark);
        }

        .hamburger {
            display: none;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 20px;
            color: #374151;
            cursor: pointer;
            transition: all var(--transition);
        }

        .hamburger:hover {
            background: #f9fafb;
            border-color: #d1d5db;
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                bottom: 0;
                background: #fff;
                flex-direction: column;
                padding: 20px;
                gap: 8px;
                overflow-y: auto;
                z-index: 999;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
            }

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

            .nav-links>li>a {
                padding: 14px 20px;
                font-size: 16px;
                border-radius: var(--radius);
            }

            .hamburger {
                display: flex;
            }

            .btn-nav {
                display: none;
            }

            .btn-nav.mobile-visible {
                display: inline-block;
                margin-left: auto;
            }
        }

        @media (max-width: 520px) {
            .nav-logo {
                font-size: 18px;
                gap: 6px;
            }

            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }

            .nav-inner {
                height: 56px;
            }
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(11, 43, 26, 0.88) 0%, rgba(11, 43, 26, 0.72) 40%, rgba(20, 92, 38, 0.55) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-blend-mode: overlay;
            padding: 80px 0;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(249, 115, 22, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(30, 126, 52, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(249, 115, 22, 0.2);
            border: 1px solid rgba(249, 115, 22, 0.4);
            color: #F97316;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }

        .hero-title {
            font-family: var(--font-heading);
            font-size: 44px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin: 0 0 20px 0;
            letter-spacing: -0.5px;
        }

        .hero-title .highlight {
            color: #F97316;
            position: relative;
        }

        .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin: 0 0 32px 0;
            max-width: 560px;
        }

        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-block;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.2px;
            cursor: pointer;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(30, 126, 52, 0.35);
        }

        .btn-outline-light {
            display: inline-block;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 600;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.6);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.2px;
            cursor: pointer;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-1px);
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: auto;
                padding: 60px 0;
            }

            .hero-title {
                font-size: 32px;
            }

            .hero-subtitle {
                font-size: 16px;
            }

            .btn-primary,
            .btn-outline-light {
                padding: 12px 24px;
                font-size: 15px;
                width: 100%;
                text-align: center;
            }

            .hero-cta-group {
                flex-direction: column;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 26px;
            }

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

        /* Section Common */
        .section {
            padding: 72px 0;
        }

        .section-dark {
            background: var(--dark-bg);
            color: #fff;
            padding: 72px 0;
        }

        .section-accent-bg {
            background: #f0fdf4;
            padding: 72px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 30px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 12px 0;
            letter-spacing: -0.3px;
        }

        .section-dark .section-header h2 {
            color: #fff;
        }

        .section-header .section-subtitle {
            font-size: 16px;
            color: var(--text-weak);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .section-dark .section-header .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

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

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

            .section-accent-bg {
                padding: 48px 0;
            }

            .section-header h2 {
                font-size: 24px;
            }

            .section-header {
                margin-bottom: 32px;
            }
        }

        /* Cards */
        .card {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            overflow: hidden;
            border: 1px solid transparent;
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: #e8f5e9;
        }

        .card-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

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

        .card-body h3 {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 8px 0;
            color: var(--text);
            line-height: 1.3;
        }

        .card-body p {
            font-size: 14px;
            color: var(--text-weak);
            margin: 0 0 12px 0;
            line-height: 1.6;
        }

        .card-tag {
            display: inline-block;
            padding: 4px 10px;
            background: #fef3c7;
            color: #b45309;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }

        .card-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        .card-link i {
            font-size: 12px;
            transition: transform var(--transition);
        }

        .card-link:hover i {
            transform: translateX(3px);
        }

        /* Grid */
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        @media (max-width: 1024px) {
            .grid-3 {
                grid-template-columns: 1fr 1fr;
            }

            .grid-4 {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .grid-2 {
                grid-template-columns: 1fr;
            }

            .grid-3 {
                grid-template-columns: 1fr;
            }

            .grid-4 {
                grid-template-columns: 1fr;
            }
        }

        /* Stats Bar */
        .stats-bar {
            display: flex;
            justify-content: space-around;
            gap: 24px;
            flex-wrap: wrap;
            text-align: center;
        }

        .stat-item {
            flex: 1;
            min-width: 140px;
        }

        .stat-number {
            font-family: var(--font-heading);
            font-size: 42px;
            font-weight: 800;
            color: #F97316;
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            letter-spacing: 0.3px;
        }

        @media (max-width: 768px) {
            .stat-number {
                font-size: 32px;
            }

            .stats-bar {
                gap: 20px;
            }

            .stat-item {
                min-width: 120px;
            }
        }

        /* Process Steps */
        .process-steps {
            display: flex;
            gap: 0;
            position: relative;
            flex-wrap: wrap;
        }

        .process-step {
            flex: 1;
            min-width: 200px;
            text-align: center;
            padding: 24px 20px;
            position: relative;
        }

        .process-step::after {
            content: '';
            position: absolute;
            top: 40px;
            right: -12px;
            width: 24px;
            height: 2px;
            background: #d1d5db;
            z-index: 0;
        }

        .process-step:last-child::after {
            display: none;
        }

        .step-icon {
            width: 64px;
            height: 64px;
            background: #f0fdf4;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 24px;
            color: var(--primary);
            position: relative;
            z-index: 1;
            border: 3px solid #e8f5e9;
            transition: all var(--transition);
        }

        .process-step:hover .step-icon {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: scale(1.08);
            box-shadow: 0 6px 20px rgba(30, 126, 52, 0.25);
        }

        .step-number {
            position: absolute;
            top: -8px;
            right: -8px;
            width: 28px;
            height: 28px;
            background: var(--accent);
            color: #fff;
            border-radius: 50%;
            font-size: 13px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2;
        }

        .process-step h4 {
            font-family: var(--font-heading);
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 6px 0;
            color: var(--text);
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .process-step::after {
                display: none;
            }

            .process-steps {
                flex-direction: column;
                gap: 16px;
            }

            .process-step {
                display: flex;
                align-items: center;
                gap: 16px;
                text-align: left;
                padding: 16px;
                min-width: auto;
            }

            .step-icon {
                margin: 0;
                flex-shrink: 0;
                width: 52px;
                height: 52px;
                font-size: 20px;
            }
        }

        /* FAQ */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
        }

        .faq-question {
            width: 100%;
            padding: 18px 0;
            background: none;
            border: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            text-align: left;
            gap: 16px;
            transition: color var(--transition);
            font-family: var(--font-body);
        }

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

        .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: #f3f4f6;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition);
            font-size: 14px;
            color: #6b7280;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 0 18px 0;
        }

        .faq-answer p {
            margin: 0;
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 64px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px 0;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin: 0 auto 28px;
            max-width: 560px;
            position: relative;
            z-index: 1;
            line-height: 1.6;
        }

        .btn-cta-white {
            display: inline-block;
            padding: 14px 36px;
            font-size: 16px;
            font-weight: 700;
            background: #fff;
            color: var(--primary);
            border-radius: var(--radius-sm);
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
            position: relative;
            z-index: 1;
            letter-spacing: 0.2px;
        }

        .btn-cta-white:hover {
            background: #f0fdf4;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }

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

            .cta-section h2 {
                font-size: 24px;
            }
        }

        /* Feature list */
        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .feature-list li {
            padding: 10px 0;
            padding-left: 28px;
            position: relative;
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.6;
        }

        .feature-list li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 10px;
            color: var(--primary);
            font-size: 13px;
        }

        /* Contact Form */
        .contact-form {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow);
        }

        .contact-form input,
        .contact-form textarea {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 15px;
            transition: border-color var(--transition);
            background: #fafafa;
            box-sizing: border-box;
        }

        .contact-form input:focus,
        .contact-form textarea:focus {
            outline: none;
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(30, 126, 52, 0.08);
        }

        .contact-form input {
            height: 44px;
        }

        .contact-form textarea {
            min-height: 120px;
            resize: vertical;
        }

        .contact-form .form-group {
            margin-bottom: 16px;
        }

        .contact-form label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 6px;
        }

        .btn-submit {
            width: 100%;
            padding: 14px;
            font-size: 16px;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition);
            letter-spacing: 0.2px;
        }

        .btn-submit:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(30, 126, 52, 0.3);
        }

        /* Footer */
        .site-footer {
            background: #0d1f14;
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }

        .footer-col h4 {
            font-family: var(--font-heading);
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px 0;
            letter-spacing: 0.2px;
        }

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

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

        .footer-col ul li a,
        .footer-col ul li span {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
            line-height: 1.5;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 40px;
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

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

        .footer-links-row a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
            transition: color var(--transition);
        }

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

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }

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

        /* Brand intro block */
        .brand-intro-block {
            display: flex;
            gap: 40px;
            align-items: center;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow);
            border-left: 4px solid var(--primary);
        }

        .brand-intro-block .brand-text {
            flex: 1;
        }

        .brand-intro-block .brand-text h3 {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 12px 0;
        }

        .brand-intro-block .brand-text p {
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.7;
            margin: 0;
        }

        .brand-intro-block .brand-image {
            flex-shrink: 0;
            width: 180px;
            height: 180px;
            border-radius: var(--radius);
            overflow: hidden;
        }

        .brand-intro-block .brand-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        @media (max-width: 768px) {
            .brand-intro-block {
                flex-direction: column-reverse;
                padding: 24px;
                gap: 20px;
            }

            .brand-intro-block .brand-image {
                width: 100%;
                height: 160px;
            }
        }

        /* Report highlight card */
        .report-highlight {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow);
            display: flex;
            gap: 24px;
            align-items: flex-start;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .report-highlight:hover {
            box-shadow: var(--shadow-hover);
            border-color: #e8f5e9;
        }

        .report-highlight .report-icon {
            width: 56px;
            height: 56px;
            background: #f0fdf4;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .report-highlight .report-info h4 {
            font-family: var(--font-heading);
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 6px 0;
            color: var(--text);
        }

        .report-highlight .report-info p {
            font-size: 14px;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.6;
        }

        @media (max-width: 520px) {
            .report-highlight {
                flex-direction: column;
                gap: 16px;
                padding: 20px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1E7E34;
            --primary-dark: #145C26;
            --primary-light: #28a745;
            --accent: #F97316;
            --accent-dark: #ea580c;
            --bg: #FAFAFA;
            --card-bg: #FFFFFF;
            --dark-bg: #0B2B1A;
            --dark-bg2: #0d331f;
            --text: #1a1a1a;
            --text-weak: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --radius: 8px;
            --radius-sm: 6px;
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 6px 20px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10);
            --transition: 0.3s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background-color: var(--bg);
            min-width: 320px;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        textarea {
            font-family: inherit;
            font-size: 16px;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
        }

        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.10);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 24px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 900;
            flex-shrink: 0;
        }

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

        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }

        .nav-links>li {
            position: relative;
        }

        .nav-links>li>a {
            display: block;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: #374151;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.1px;
        }

        .nav-links>li>a:hover,
        .nav-links>li>a.active {
            color: var(--primary);
            background: #f0fdf4;
        }

        .nav-links>li>a.active {
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-nav {
            display: none;
            padding: 9px 20px;
            font-size: 14px;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
        }

        @media (min-width: 768px) {
            .btn-nav {
                display: inline-block;
            }
        }

        .btn-nav:hover {
            background: var(--primary-dark);
        }

        .hamburger {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 20px;
            color: #374151;
            cursor: pointer;
            transition: all var(--transition);
        }

        @media (min-width: 1024px) {
            .hamburger {
                display: none;
            }
        }

        .hamburger:hover {
            background: #f9fafb;
            border-color: #d1d5db;
        }

        /* Mega Menu */
        .mega-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: #fff;
            border-radius: 12px;
            box-shadow: var(--shadow-lg);
            padding: 28px 32px;
            min-width: 620px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: all 0.25s ease;
            z-index: 999;
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
            border: 1px solid var(--border);
        }

        .nav-links>li.mega-trigger:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }

        .mega-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 12px 0;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

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

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

        .mega-col ul li a {
            font-size: 14px;
            color: #4b5563;
            padding: 6px 10px;
            border-radius: 4px;
            display: block;
            transition: all var(--transition);
        }

        .mega-col ul li a:hover {
            color: var(--primary);
            background: #f0fdf4;
        }

        .mega-card {
            background: #f9fafb;
            border-radius: var(--radius);
            padding: 16px;
            text-align: center;
            transition: all var(--transition);
        }

        .mega-card:hover {
            background: #f0fdf4;
            box-shadow: var(--shadow);
        }

        .mega-card .mega-card-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .mega-card span {
            font-size: 13px;
            font-weight: 600;
            color: #374151;
        }

        /* Mobile Menu */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: var(--primary);
            z-index: 2000;
            flex-direction: column;
            padding: 20px;
            overflow-y: auto;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 32px;
        }

        .mobile-menu-close {
            background: none;
            border: none;
            color: #fff;
            font-size: 28px;
            cursor: pointer;
            padding: 8px;
        }

        .mobile-menu-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .mobile-menu-links li {
            margin-bottom: 4px;
        }

        .mobile-menu-links a {
            display: block;
            padding: 14px 18px;
            color: #fff;
            font-size: 17px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }

        .mobile-menu-links a:hover,
        .mobile-menu-links a.active {
            background: rgba(255, 255, 255, 0.18);
            font-weight: 600;
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 75vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 27, 26, 0.88) 0%, rgba(11, 27, 26, 0.55) 50%, rgba(11, 27, 26, 0.35) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 80px 0;
        }

        .flash-bar {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: #fff;
            padding: 10px 22px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.3px;
            margin-bottom: 24px;
            animation: pulse-bar 2s infinite;
        }

        @keyframes pulse-bar {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.5);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(249, 115, 22, 0);
            }
        }

        .hero-title {
            font-family: var(--font-heading);
            font-size: 48px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin: 0 0 18px 0;
            letter-spacing: -0.5px;
            max-width: 700px;
        }

        .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin: 0 0 32px 0;
            max-width: 560px;
        }

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

        .btn-primary {
            display: inline-block;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 700;
            background: var(--accent);
            color: #fff;
            border-radius: var(--radius-sm);
            border: none;
            transition: all var(--transition);
            letter-spacing: 0.2px;
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            box-shadow: 0 6px 18px rgba(249, 115, 22, 0.35);
            transform: translateY(-1px);
        }

        .btn-outline-light {
            display: inline-block;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 700;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.6);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            letter-spacing: 0.2px;
        }

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

        @media (max-width: 768px) {
            .hero-title {
                font-size: 32px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-section {
                min-height: 65vh;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 12px 24px;
                font-size: 15px;
                width: 100%;
                text-align: center;
            }
        }

        /* Section */
        .section {
            padding: 72px 0;
        }

        .section-dark {
            background: var(--dark-bg);
            color: #fff;
        }

        .section-alt {
            background: #f0fdf4;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 30px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 10px 0;
            letter-spacing: -0.3px;
        }

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

        .section-subtitle {
            font-size: 16px;
            color: var(--text-weak);
            margin: 0 0 40px 0;
            line-height: 1.6;
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        /* Cards */
        .card {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            border-color: #e5e7eb;
            transform: translateY(-2px);
        }

        .card-icon {
            width: 52px;
            height: 52px;
            background: #f0fdf4;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .card h3 {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 8px 0;
            color: var(--text);
        }

        .card p {
            font-size: 14px;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.6;
        }

        /* Stats bar */
        .stats-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            justify-content: space-around;
        }

        .stat-item {
            text-align: center;
            padding: 30px 20px;
            flex: 1;
            min-width: 160px;
        }

        .stat-number {
            font-size: 42px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 8px;
            font-family: var(--font-heading);
        }

        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            letter-spacing: 0.3px;
        }

        @media (max-width: 768px) {
            .stat-number {
                font-size: 32px;
            }
            .stat-item {
                padding: 20px 12px;
                min-width: 120px;
            }
        }

        /* Case card */
        .case-card {
            display: flex;
            gap: 28px;
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .case-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: #e5e7eb;
        }

        .case-card-img {
            width: 280px;
            flex-shrink: 0;
            min-height: 220px;
            object-fit: cover;
            border-radius: var(--radius) 0 0 var(--radius);
        }

        .case-card-body {
            padding: 24px 24px 24px 0;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .case-card-body h3 {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 700;
            margin: 0 0 6px 0;
        }

        .case-card-body .case-tag {
            display: inline-block;
            background: #fff7ed;
            color: var(--accent);
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 10px;
            width: fit-content;
        }

        .case-card-body p {
            font-size: 14px;
            color: var(--text-weak);
            margin: 0 0 14px 0;
            line-height: 1.6;
        }

        .case-card-body .btn-link {
            color: var(--accent);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }

        .case-card-body .btn-link:hover {
            color: var(--accent-dark);
            gap: 10px;
        }

        @media (max-width: 768px) {
            .case-card {
                flex-direction: column;
            }
            .case-card-img {
                width: 100%;
                height: 200px;
                border-radius: var(--radius) var(--radius) 0 0;
            }
            .case-card-body {
                padding: 20px;
            }
        }

        /* Tab */
        .tab-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 32px;
            border-bottom: 2px solid var(--border);
            padding-bottom: 0;
        }

        .tab-btn {
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            background: none;
            border: none;
            color: var(--text-weak);
            cursor: pointer;
            border-bottom: 3px solid transparent;
            margin-bottom: -2px;
            transition: all var(--transition);
            border-radius: 0;
            white-space: nowrap;
        }

        .tab-btn.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }

        .tab-btn:hover {
            color: var(--primary);
            background: #f9fafb;
        }

        .tab-panel {
            display: none;
        }

        .tab-panel.active {
            display: block;
        }

        .tab-content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }

        @media (max-width: 768px) {
            .tab-content-grid {
                grid-template-columns: 1fr;
            }
            .tab-btn {
                padding: 10px 16px;
                font-size: 14px;
            }
        }

        .tab-img {
            border-radius: var(--radius);
            width: 100%;
            height: 300px;
            object-fit: cover;
            box-shadow: var(--shadow);
        }

        .tab-info h3 {
            font-size: 22px;
            font-weight: 700;
            margin: 0 0 12px 0;
            font-family: var(--font-heading);
        }

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

        .tab-info ul li {
            padding: 8px 0;
            font-size: 15px;
            color: var(--text-weak);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.5;
        }

        .tab-info ul li i {
            color: var(--primary);
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* FAQ */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        @media (max-width: 768px) {
            .faq-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .faq-question {
            width: 100%;
            padding: 18px 22px;
            text-align: left;
            background: none;
            border: none;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            gap: 12px;
            transition: all var(--transition);
        }

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

        .faq-icon {
            font-size: 16px;
            color: var(--primary);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px 22px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.7;
        }

        /* Form */
        .form-input {
            width: 100%;
            height: 44px;
            padding: 0 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 15px;
            color: var(--text);
            background: #fff;
            transition: all var(--transition);
            box-sizing: border-box;
        }

        .form-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 126, 52, 0.08);
        }

        .form-input::placeholder {
            color: #9CA3AF;
        }

        textarea.form-input {
            height: 120px;
            padding: 14px;
            resize: vertical;
        }

        .btn-submit {
            width: 100%;
            padding: 14px;
            font-size: 16px;
            font-weight: 700;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition);
            letter-spacing: 0.3px;
        }

        .btn-submit:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 18px rgba(30, 126, 52, 0.3);
        }

        /* Footer */
        .site-footer {
            background: #0d1f14;
            color: #cbd5e1;
            padding: 50px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px 0;
            letter-spacing: 0.3px;
        }

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

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

        .footer-col ul li a,
        .footer-col ul li span {
            font-size: 14px;
            color: #94a3b8;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: #64748b;
        }

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

        .footer-links-row a {
            color: #94a3b8;
            font-size: 13px;
            transition: color var(--transition);
        }

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

        /* Brand intro */
        .brand-intro-block {
            background: #f9fdfb;
            border-radius: 12px;
            padding: 40px;
            display: flex;
            gap: 32px;
            align-items: center;
            border: 1px solid #e8f5ec;
        }

        @media (max-width: 768px) {
            .brand-intro-block {
                flex-direction: column;
                padding: 28px 20px;
            }
        }

        .brand-intro-img {
            width: 200px;
            height: 200px;
            border-radius: 12px;
            object-fit: cover;
            flex-shrink: 0;
            box-shadow: var(--shadow);
        }

        .brand-intro-text h3 {
            font-size: 22px;
            font-weight: 700;
            margin: 0 0 12px 0;
            font-family: var(--font-heading);
        }

        .brand-intro-text p {
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.8;
            margin: 0;
        }

        /* Process */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        @media (max-width: 768px) {
            .process-steps {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .process-steps {
                grid-template-columns: 1fr;
            }
        }

        .process-step {
            text-align: center;
            padding: 28px 20px;
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            position: relative;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .process-step:hover {
            box-shadow: var(--shadow-hover);
            border-color: #e5e7eb;
            transform: translateY(-3px);
        }

        .process-step-num {
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            margin: 0 auto 14px;
            font-family: var(--font-heading);
        }

        .process-step h4 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 6px 0;
            font-family: var(--font-heading);
        }

        .process-step p {
            font-size: 13px;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.5;
        }

        /* Service strip */
        .service-strip {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 22px;
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid transparent;
            cursor: default;
        }

        .service-strip:hover {
            box-shadow: var(--shadow-hover);
            border-color: #e5e7eb;
            transform: translateX(4px);
        }

        .service-strip-icon {
            width: 48px;
            height: 48px;
            background: #f0fdf4;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .service-strip-info h4 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 4px 0;
            font-family: var(--font-heading);
        }

        .service-strip-info p {
            font-size: 13px;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.4;
        }

        @media (max-width: 520px) {
            .service-strip {
                flex-direction: column;
                text-align: center;
            }
            .service-strip:hover {
                transform: translateX(0);
            }
        }

/* roulang page: category6 */
:root {
            --primary: #1E7E34;
            --primary-dark: #145C26;
            --primary-light: #28a745;
            --accent: #F97316;
            --accent-dark: #ea580c;
            --bg: #FAFAFA;
            --card-bg: #FFFFFF;
            --dark-bg: #0B2B1A;
            --dark-bg2: #0d331f;
            --text: #1a1a1a;
            --text-weak: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --radius: 8px;
            --radius-sm: 6px;
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 6px 20px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10);
            --transition: 0.3s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background-color: var(--bg);
            min-width: 320px;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        textarea {
            font-family: inherit;
            font-size: 16px;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
        }

        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.10);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 24px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 900;
            flex-shrink: 0;
        }

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

        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }

        .nav-links>li {
            position: relative;
        }

        .nav-links>li>a {
            display: block;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: #374151;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.1px;
        }

        .nav-links>li>a:hover,
        .nav-links>li>a.active {
            color: var(--primary);
            background: #f0fdf4;
        }

        .nav-links>li>a.active {
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-nav {
            display: none;
            padding: 9px 20px;
            font-size: 14px;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
        }

        @media (min-width: 768px) {
            .btn-nav {
                display: inline-block;
            }
        }

        .btn-nav:hover {
            background: var(--primary-dark);
        }

        .hamburger {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 20px;
            color: #374151;
            cursor: pointer;
            transition: all var(--transition);
        }

        @media (min-width: 1024px) {
            .hamburger {
                display: none;
            }
        }

        .hamburger:hover {
            background: #f9fafb;
            border-color: #d1d5db;
        }

        /* Mega Menu */
        .mega-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: #fff;
            border-radius: 12px;
            box-shadow: var(--shadow-lg);
            padding: 28px 32px;
            min-width: 620px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: all 0.25s ease;
            z-index: 999;
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
            border: 1px solid var(--border);
        }

        .nav-links>li.mega-trigger:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }

        .mega-col h4 {
            font-size: 13px;
            font-weight: 700;
            color: var(--text-weak);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin: 0 0 10px 0;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--border);
        }

        .mega-col a {
            display: block;
            padding: 6px 0;
            font-size: 14px;
            color: #374151;
            transition: color var(--transition);
        }

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

        .mega-card {
            background: #f9fafb;
            border-radius: var(--radius);
            padding: 16px;
            text-align: center;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .mega-card:hover {
            border-color: var(--primary);
            background: #f0fdf4;
        }

        .mega-card .mega-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .mega-card span {
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
        }

        /* Mobile Menu */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            width: 100%;
            height: calc(100vh - 64px);
            background: var(--dark-bg);
            z-index: 998;
            flex-direction: column;
            padding: 24px 20px;
            gap: 4px;
            overflow-y: auto;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            display: block;
            padding: 14px 18px;
            font-size: 16px;
            font-weight: 500;
            color: #e5e7eb;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-menu a.active {
            font-weight: 700;
            border-left: 3px solid var(--accent);
            padding-left: 15px;
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 60vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(11, 43, 26, 0.88) 0%, rgba(11, 43, 26, 0.72) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            overflow: hidden;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--bg) 0%, transparent 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            padding: 60px 0;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: var(--accent);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.4);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(249, 115, 22, 0);
            }
        }

        .hero-title {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin: 0 0 18px 0;
            letter-spacing: -0.5px;
            font-family: var(--font-heading);
        }

        .hero-subtitle {
            font-size: 18px;
            color: #cbd5e1;
            line-height: 1.7;
            margin: 0 0 28px 0;
            max-width: 560px;
        }

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

        .btn-primary {
            display: inline-block;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 700;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            border: none;
            transition: all var(--transition);
            letter-spacing: 0.3px;
            box-shadow: 0 4px 14px rgba(30, 126, 52, 0.3);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(30, 126, 52, 0.4);
            transform: translateY(-2px);
        }

        .btn-outline-white {
            display: inline-block;
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 700;
            background: transparent;
            color: #fff;
            border-radius: var(--radius-sm);
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition);
            letter-spacing: 0.3px;
        }

        .btn-outline-white:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-section {
                min-height: 50vh;
            }
            .hero-buttons {
                flex-direction: column;
            }
            .btn-primary,
            .btn-outline-white {
                text-align: center;
                width: 100%;
            }
        }

        /* Section Common */
        .section {
            padding: 60px 0;
        }

        .section-dark {
            background: var(--dark-bg);
            color: #e5e7eb;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 10px 0;
            font-family: var(--font-heading);
            letter-spacing: -0.3px;
        }

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

        .section-subtitle {
            font-size: 16px;
            color: var(--text-weak);
            margin: 0 0 36px 0;
            line-height: 1.6;
        }

        .section-dark .section-subtitle {
            color: #9ca3af;
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header .accent-line {
            width: 50px;
            height: 3px;
            background: var(--accent);
            margin: 12px auto 0;
            border-radius: 2px;
        }

        /* Cards */
        .card {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            overflow: hidden;
            border: 1px solid transparent;
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: #e5e7eb;
        }

        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

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

        .card-tag {
            display: inline-block;
            padding: 4px 12px;
            background: #fef3c7;
            color: #b45309;
            font-size: 12px;
            font-weight: 600;
            border-radius: 4px;
            margin-bottom: 8px;
        }

        .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px 0;
            line-height: 1.4;
        }

        .card-desc {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
            margin: 0 0 12px 0;
        }

        .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }

        .card-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        .card-link i {
            font-size: 12px;
        }

        /* Tool Feature Cards */
        .tool-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border-left: 4px solid var(--primary);
            display: flex;
            gap: 18px;
            align-items: flex-start;
        }

        .tool-card:hover {
            box-shadow: var(--shadow-hover);
            border-left-color: var(--accent);
            transform: translateX(4px);
        }

        .tool-card .tool-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: #f0fdf4;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .tool-card h4 {
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 6px 0;
            color: var(--text);
        }

        .tool-card p {
            font-size: 14px;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.5;
        }

        /* Data Highlight Bar */
        .data-highlight-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            background: var(--dark-bg2);
            border-radius: var(--radius);
            overflow: hidden;
        }

        .data-highlight-item {
            flex: 1 1 200px;
            padding: 28px 20px;
            text-align: center;
            border-right: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition);
        }

        .data-highlight-item:last-child {
            border-right: none;
        }

        .data-highlight-item:hover {
            background: rgba(255, 255, 255, 0.04);
        }

        .data-highlight-item .data-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -1px;
            line-height: 1;
        }

        .data-highlight-item .data-label {
            font-size: 13px;
            color: #9ca3af;
            margin-top: 6px;
            letter-spacing: 0.3px;
        }

        /* Process Steps */
        .process-steps {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            counter-reset: step;
        }

        .process-step {
            flex: 1 1 220px;
            padding: 28px 20px;
            text-align: center;
            position: relative;
            counter-increment: step;
        }

        .process-step::before {
            content: counter(step);
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            transition: all var(--transition);
        }

        .process-step:hover::before {
            background: var(--accent);
            transform: scale(1.1);
        }

        .process-step h4 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 6px 0;
            color: var(--text);
        }

        .process-step p {
            font-size: 13px;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.5;
        }

        .process-step::after {
            content: '';
            position: absolute;
            top: 48px;
            right: -20px;
            width: 40px;
            height: 2px;
            background: var(--border);
            display: none;
        }

        @media (min-width: 768px) {
            .process-step::after {
                display: block;
            }
            .process-step:last-child::after {
                display: none;
            }
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--text);
            transition: all var(--transition);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            gap: 12px;
        }

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

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #f3f4f6;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-weak);
            flex-shrink: 0;
            transition: all var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0;
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 0 18px 0;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 50px 0;
            text-align: center;
            border-radius: 0;
        }

        .cta-section h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px 0;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin: 0 0 24px 0;
        }

        .btn-cta {
            display: inline-block;
            padding: 14px 36px;
            font-size: 16px;
            font-weight: 700;
            background: #fff;
            color: var(--primary);
            border-radius: var(--radius-sm);
            border: none;
            transition: all var(--transition);
            letter-spacing: 0.3px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
        }

        .btn-cta:hover {
            background: #f0fdf4;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }

        /* Scenario Grid */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .scenario-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

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

        .scenario-card .sc-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: #fff7ed;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--accent);
            flex-shrink: 0;
        }

        .scenario-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 4px 0;
            color: var(--text);
        }

        .scenario-card p {
            font-size: 13px;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.5;
        }

        /* Footer */
        .site-footer {
            background: #1a1a1a;
            color: #d1d5db;
            padding: 48px 0 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px 0;
            letter-spacing: 0.3px;
        }

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

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

        .footer-col ul li a,
        .footer-col ul li span {
            font-size: 14px;
            color: #9ca3af;
            transition: color var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 18px 0;
            font-size: 13px;
            color: #6b7280;
            gap: 12px;
        }

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

        .footer-links-row a {
            font-size: 13px;
            color: #6b7280;
            transition: color var(--transition);
        }

        .footer-links-row a:hover {
            color: #d1d5db;
        }

        /* Responsive Adjustments */
        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .tool-card {
                flex-direction: column;
                gap: 12px;
            }
            .data-highlight-item {
                flex: 1 1 50%;
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            }
            .process-steps {
                flex-direction: column;
                gap: 16px;
            }
            .process-step::after {
                display: none;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Extra utility */
        .text-accent {
            color: var(--accent);
        }
        .bg-light-green {
            background: #f0fdf4;
        }
        .rounded-section {
            border-radius: 16px;
            overflow: hidden;
        }

/* roulang page: category5 */
:root {
            --primary: #1E7E34;
            --primary-dark: #145C26;
            --primary-light: #28a745;
            --accent: #F97316;
            --accent-dark: #ea580c;
            --bg: #FAFAFA;
            --card-bg: #FFFFFF;
            --dark-bg: #0B2B1A;
            --dark-bg2: #0d331f;
            --text: #1a1a1a;
            --text-weak: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --radius: 8px;
            --radius-sm: 6px;
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 6px 20px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10);
            --transition: 0.3s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background-color: var(--bg);
            min-width: 320px;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        textarea {
            font-family: inherit;
            font-size: 16px;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
        }

        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.10);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 24px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 900;
            flex-shrink: 0;
        }

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

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
        }

        .nav-links>li {
            position: relative;
        }

        .nav-links>li>a {
            display: block;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: #374151;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.1px;
        }

        .nav-links>li>a:hover,
        .nav-links>li>a.active {
            color: var(--primary);
            background: #f0fdf4;
        }

        .nav-links>li>a.active {
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-nav {
            display: inline-block;
            padding: 9px 20px;
            font-size: 14px;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-nav:hover {
            background: var(--primary-dark);
        }

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

        .hamburger {
            display: none;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 20px;
            color: #374151;
            cursor: pointer;
            transition: all var(--transition);
        }

        @media (max-width: 1024px) {
            .hamburger {
                display: flex;
            }
        }

        .hamburger:hover {
            background: #f9fafb;
            border-color: #d1d5db;
        }

        /* Mega Menu */
        .mega-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: #fff;
            border-radius: 12px;
            box-shadow: var(--shadow-lg);
            padding: 28px 32px;
            min-width: 620px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: all 0.25s ease;
            z-index: 999;
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
            border: 1px solid var(--border);
        }

        .nav-links>li.mega-trigger:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }

        .mega-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 12px 0;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }

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

        .mega-col ul li {
            margin-bottom: 6px;
        }

        .mega-col ul li a {
            display: block;
            padding: 8px 12px;
            font-size: 14px;
            color: #4B5563;
            border-radius: 6px;
            transition: all var(--transition);
        }

        .mega-col ul li a:hover {
            background: #f0fdf4;
            color: var(--primary);
        }

        .mega-card {
            background: #f9fafb;
            border-radius: var(--radius);
            padding: 16px;
            text-align: center;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .mega-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow);
        }

        .mega-card .mega-card-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .mega-card span {
            font-size: 13px;
            font-weight: 600;
            color: #374151;
        }

        /* Mobile Menu */
        .mobile-menu-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--dark-bg);
            z-index: 2000;
            display: flex;
            flex-direction: column;
            padding: 20px;
            transform: translateX(-100%);
            transition: transform 0.35s ease;
            overflow-y: auto;
        }

        .mobile-menu-overlay.open {
            transform: translateX(0);
        }

        .mobile-menu-overlay .mobile-close {
            align-self: flex-end;
            background: none;
            border: none;
            color: #fff;
            font-size: 28px;
            cursor: pointer;
            padding: 8px 12px;
            margin-bottom: 20px;
        }

        .mobile-menu-overlay a {
            display: block;
            padding: 14px 20px;
            color: #fff;
            font-size: 18px;
            font-weight: 500;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            transition: all var(--transition);
            border-radius: 6px;
        }

        .mobile-menu-overlay a:hover,
        .mobile-menu-overlay a.active {
            background: rgba(255, 255, 255, 0.10);
            color: #fff;
        }

        .mobile-menu-overlay .mobile-cta {
            margin-top: 20px;
            background: var(--accent);
            color: #fff;
            text-align: center;
            font-weight: 700;
            border-radius: var(--radius-sm);
            padding: 14px;
            border: none;
            font-size: 16px;
            cursor: pointer;
            transition: all var(--transition);
        }

        .mobile-menu-overlay .mobile-cta:hover {
            background: var(--accent-dark);
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 70vh;
            background: linear-gradient(135deg, rgba(11, 43, 26, 0.92) 0%, rgba(20, 92, 38, 0.82) 40%, rgba(30, 126, 52, 0.65) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            display: flex;
            align-items: center;
            color: #fff;
            overflow: hidden;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg) 0%, transparent 100%);
            z-index: 1;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            width: 100%;
        }

        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 40px;
                text-align: center;
            }
        }

        .hero-text h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 20px 0;
            letter-spacing: -0.5px;
            color: #fff;
        }

        @media (max-width: 768px) {
            .hero-text h1 {
                font-size: 30px;
            }
        }

        .hero-text .hero-subtitle {
            font-size: 18px;
            color: #d1fae5;
            line-height: 1.7;
            margin: 0 0 28px 0;
            font-weight: 400;
        }

        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        @media (max-width: 1024px) {
            .hero-cta-group {
                justify-content: center;
            }
        }

        .btn-primary-hero {
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 700;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            letter-spacing: 0.2px;
        }

        .btn-primary-hero:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(249, 115, 22, 0.35);
        }

        .btn-outline-hero {
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 600;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.6);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            letter-spacing: 0.2px;
        }

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

        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-dashboard {
            background: rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            padding: 28px;
            border: 1px solid rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(6px);
            width: 100%;
            max-width: 480px;
        }

        .hero-dashboard .dash-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
            color: #e5e7eb;
            font-size: 14px;
        }

        .hero-dashboard .dash-row:last-child {
            border-bottom: none;
        }

        .hero-dashboard .dash-val {
            font-weight: 700;
            font-size: 20px;
            color: #fff;
            font-variant-numeric: tabular-nums;
            font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
        }

        .hero-dashboard .dash-val.accent {
            color: var(--accent);
        }

        .hero-dashboard .dash-val.green {
            color: #4ade80;
        }

        /* Section Common */
        .section {
            padding: 70px 0;
        }

        @media (max-width: 768px) {
            .section {
                padding: 44px 0;
            }
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 12px 0;
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-weak);
            margin: 0 0 40px 0;
            line-height: 1.6;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        /* Cards */
        .card {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            overflow: hidden;
            border: 1px solid transparent;
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: #e5e7eb;
        }

        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

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

        .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 8px 0;
            color: var(--text);
        }

        .card-body p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
            margin: 0 0 12px 0;
        }

        .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }

        .card-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        .card-link i {
            font-size: 12px;
        }

        /* Tool Feature Cards */
        .tool-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        @media (max-width: 1024px) {
            .tool-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .tool-grid {
                grid-template-columns: 1fr;
            }
        }

        .tool-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid transparent;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .tool-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .tool-card .tool-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: #f0fdf4;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .tool-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0;
            color: var(--text);
        }

        .tool-card p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
            margin: 0;
        }

        .tool-card .tool-tag {
            display: inline-block;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            background: #fff7ed;
            color: var(--accent);
            border-radius: 20px;
            align-self: flex-start;
        }

        /* Data Stats Bar */
        .stats-bar {
            background: var(--dark-bg);
            padding: 50px 0;
            color: #fff;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }
        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }

        .stat-item .stat-number {
            font-size: 42px;
            font-weight: 800;
            color: #4ade80;
            letter-spacing: -1px;
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-item .stat-label {
            font-size: 14px;
            color: #9ca3af;
            font-weight: 500;
        }

        /* Process Steps */
        .steps-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        @media (max-width: 1024px) {
            .steps-flow {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .steps-flow {
                grid-template-columns: 1fr;
            }
        }

        .step-item {
            text-align: center;
            padding: 28px 20px;
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            position: relative;
            transition: all var(--transition);
        }

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

        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            flex-shrink: 0;
        }

        .step-item h4 {
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 8px 0;
            color: var(--text);
        }

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

        /* FAQ */
        .faq-section {
            background: #f9fafb;
        }

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

        @media (max-width: 768px) {
            .faq-grid {
                grid-template-columns: 1fr;
            }
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .faq-question {
            width: 100%;
            padding: 18px 20px;
            background: none;
            border: none;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: all var(--transition);
        }

        .faq-question i {
            font-size: 14px;
            color: var(--text-weak);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            margin: 0;
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-bg2) 100%);
            color: #fff;
            padding: 60px 0;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 30px;
            font-weight: 700;
            margin: 0 0 16px 0;
        }

        .cta-section p {
            font-size: 16px;
            color: #d1d5db;
            margin: 0 0 28px 0;
            line-height: 1.6;
        }

        .btn-cta-lg {
            display: inline-block;
            padding: 15px 40px;
            font-size: 17px;
            font-weight: 700;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            letter-spacing: 0.2px;
        }

        .btn-cta-lg:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(249, 115, 22, 0.4);
        }

        /* Scenario */
        .scenario-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

        @media (max-width: 768px) {
            .scenario-grid {
                grid-template-columns: 1fr;
            }
        }

        .scenario-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow);
            display: flex;
            gap: 20px;
            align-items: flex-start;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: #e5e7eb;
        }

        .scenario-card .sc-icon {
            width: 50px;
            height: 50px;
            border-radius: 10px;
            background: #fef3c7;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent);
            flex-shrink: 0;
        }

        .scenario-card h4 {
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 6px 0;
            color: var(--text);
        }

        .scenario-card p {
            font-size: 14px;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.5;
        }

        /* Footer */
        .site-footer {
            background: #1a1a1a;
            color: #d1d5db;
            padding: 50px 0 20px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 36px;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px 0;
            letter-spacing: 0.2px;
        }

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

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

        .footer-col ul li a,
        .footer-col ul li span {
            color: #9ca3af;
            transition: color var(--transition);
            font-size: 13px;
        }

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

        .footer-bottom {
            border-top: 1px solid #333;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: #6b7280;
        }

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

        .footer-links-row a {
            color: #6b7280;
            transition: color var(--transition);
            font-size: 12px;
        }

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

        /* Misc */
        .bg-light-gray {
            background: #f9fafb;
        }
        .bg-white {
            background: #fff;
        }
        .text-center {
            text-align: center;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-0 {
            margin-top: 0;
        }

        /* Responsive hero adjustments */
        @media (max-width: 640px) {
            .hero-section {
                min-height: auto;
                padding: 60px 0 80px;
            }
            .hero-text h1 {
                font-size: 26px;
            }
            .hero-text .hero-subtitle {
                font-size: 15px;
            }
            .hero-dashboard {
                padding: 18px;
            }
            .hero-dashboard .dash-val {
                font-size: 16px;
            }
            .section-title {
                font-size: 24px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #1E7E34;
            --primary-dark: #145C26;
            --primary-light: #28a745;
            --accent: #F97316;
            --accent-dark: #ea580c;
            --bg: #FAFAFA;
            --card-bg: #FFFFFF;
            --dark-bg: #0B2B1A;
            --dark-bg2: #0d331f;
            --text: #1a1a1a;
            --text-weak: #6B7280;
            --text-light: #9CA3AF;
            --border: #E5E7EB;
            --radius: 8px;
            --radius-sm: 6px;
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 6px 20px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10);
            --transition: 0.3s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background-color: var(--bg);
            min-width: 320px;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        textarea {
            font-family: inherit;
            font-size: 16px;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
        }

        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.10);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 24px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 900;
            flex-shrink: 0;
        }

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

        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }

        .nav-links>li {
            position: relative;
        }

        .nav-links>li>a {
            display: block;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: #374151;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.1px;
        }

        .nav-links>li>a:hover,
        .nav-links>li>a.active {
            color: var(--primary);
            background: #f0fdf4;
        }

        .nav-links>li>a.active {
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-nav {
            display: none;
            padding: 9px 20px;
            font-size: 14px;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
        }

        @media (min-width: 768px) {
            .btn-nav {
                display: inline-block;
            }
        }

        .btn-nav:hover {
            background: var(--primary-dark);
        }

        .hamburger {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: none;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 20px;
            color: #374151;
            cursor: pointer;
            transition: all var(--transition);
        }

        @media (min-width: 1024px) {
            .hamburger {
                display: none;
            }
        }

        .hamburger:hover {
            background: #f9fafb;
            border-color: #d1d5db;
        }

        /* Mega Menu */
        .mega-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: #fff;
            border-radius: 12px;
            box-shadow: var(--shadow-lg);
            padding: 28px 32px;
            min-width: 620px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: all 0.25s ease;
            z-index: 999;
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
            border: 1px solid var(--border);
        }

        .nav-links>li.mega-trigger:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }

        .mega-col h5 {
            font-size: 13px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: var(--text-weak);
            margin: 0 0 10px 0;
            font-weight: 600;
        }

        .mega-col a {
            display: block;
            padding: 6px 0;
            font-size: 14px;
            color: #374151;
            transition: color var(--transition);
        }

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

        .mega-card {
            background: #f9fafb;
            border-radius: var(--radius);
            padding: 14px;
            text-align: center;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            transition: all var(--transition);
        }

        .mega-card:hover {
            background: #f0fdf4;
            color: var(--primary-dark);
        }

        /* Mobile Menu */
        .mobile-menu {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: var(--dark-bg);
            z-index: 2000;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transform: translateX(-100%);
            transition: transform 0.35s ease;
            padding: 40px 20px;
            overflow-y: auto;
        }

        .mobile-menu.open {
            transform: translateX(0);
        }

        .mobile-menu a {
            display: block;
            color: #fff;
            font-size: 18px;
            font-weight: 500;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            text-align: center;
            width: 100%;
            max-width: 300px;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        .mobile-menu .close-btn {
            position: absolute;
            top: 16px;
            right: 20px;
            width: 44px;
            height: 44px;
            background: rgba(255, 255, 255, 0.1);
            border: none;
            border-radius: 50%;
            color: #fff;
            font-size: 22px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background var(--transition);
        }

        .mobile-menu .close-btn:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        /* Hero */
        .hero-banner {
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 380px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 43, 26, 0.88) 0%, rgba(11, 43, 26, 0.55) 60%, rgba(30, 126, 52, 0.35) 100%);
            z-index: 1;
        }

        .hero-banner .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 50px 0;
        }

        .hero-banner h1 {
            font-family: var(--font-heading);
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 16px 0;
            letter-spacing: -0.5px;
            line-height: 1.25;
        }

        .hero-banner .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.9);
            max-width: 600px;
            line-height: 1.7;
            margin: 0 0 24px 0;
        }

        .hero-banner .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .btn-primary {
            display: inline-block;
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
            text-align: center;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 14px rgba(30, 126, 52, 0.35);
        }

        .btn-outline-light {
            display: inline-block;
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 600;
            background: transparent;
            color: #fff;
            border-radius: var(--radius-sm);
            border: 2px solid rgba(255, 255, 255, 0.7);
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
            text-align: center;
        }

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

        @media (max-width: 768px) {
            .hero-banner {
                min-height: 340px;
            }
            .hero-banner h1 {
                font-size: 26px;
            }
            .hero-banner .hero-subtitle {
                font-size: 15px;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 11px 22px;
                font-size: 14px;
            }
        }

        /* Section */
        .section {
            padding: 60px 0;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 26px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 10px 0;
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-weak);
            margin: 0 0 36px 0;
            max-width: 680px;
            line-height: 1.65;
        }

        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .section-subtitle {
                font-size: 15px;
                margin-bottom: 24px;
            }
        }

        /* Cards */
        .card {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px 24px;
            transition: all var(--transition);
            border: 1px solid transparent;
            height: 100%;
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            border-color: #e5e7eb;
            transform: translateY(-2px);
        }

        .card-icon {
            width: 48px;
            height: 48px;
            background: #f0fdf4;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .card h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 8px 0;
            color: var(--text);
        }

        .card p {
            font-size: 14px;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.6;
        }

        /* Data Bar */
        .data-bar {
            background: var(--dark-bg);
            padding: 48px 0;
        }

        .data-bar .stat-item {
            text-align: center;
            padding: 16px;
        }

        .data-bar .stat-number {
            font-size: 40px;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -1px;
            line-height: 1.1;
        }

        .data-bar .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 6px;
        }

        @media (max-width: 768px) {
            .data-bar .stat-number {
                font-size: 30px;
            }
        }

        /* Process */
        .process-step {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
        }

        .process-step:last-child {
            border-bottom: none;
        }

        .step-number {
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }

        .step-content h4 {
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 4px 0;
            color: var(--text);
        }

        .step-content p {
            font-size: 14px;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.6;
        }

        /* Tag */
        .tag {
            display: inline-block;
            padding: 5px 12px;
            font-size: 12px;
            font-weight: 600;
            background: #fff7ed;
            color: var(--accent);
            border-radius: 20px;
            margin: 3px;
            white-space: nowrap;
        }

        .tag-green {
            background: #f0fdf4;
            color: var(--primary);
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 10px;
            background: #fff;
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .faq-question:hover {
            background: #f9fafb;
        }

        .faq-question .faq-icon {
            font-size: 14px;
            color: var(--text-weak);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }

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

        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            background: var(--dark-bg);
            padding: 56px 0;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 12px 0;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin: 0 0 28px 0;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn-primary {
            font-size: 16px;
            padding: 15px 36px;
        }

        .btn-outline {
            display: inline-block;
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 600;
            background: transparent;
            color: var(--primary);
            border-radius: var(--radius-sm);
            border: 2px solid var(--primary);
            transition: all var(--transition);
            white-space: nowrap;
            cursor: pointer;
            text-align: center;
        }

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

        /* Footer */
        .site-footer {
            background: #1a1a1a;
            color: #ccc;
            padding: 48px 0 0;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px 0;
        }

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

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

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

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

        .footer-bottom {
            padding: 20px 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 12px;
            color: #888;
            text-align: center;
        }

        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
                text-align: left;
            }
        }

        .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        @media (min-width: 768px) {
            .footer-links-row {
                justify-content: flex-end;
            }
        }

        .footer-links-row a {
            color: #888;
            font-size: 12px;
            transition: color var(--transition);
        }

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

        /* Image Card */
        .img-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            height: 100%;
        }

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

        .img-card .img-wrap {
            height: 200px;
            overflow: hidden;
        }

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

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

        .img-card .card-body {
            padding: 18px 20px;
        }

        .img-card .card-body h3 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 6px 0;
            color: var(--text);
        }

        .img-card .card-body p {
            font-size: 13px;
            color: var(--text-weak);
            margin: 0 0 10px 0;
            line-height: 1.5;
        }

        .img-card .card-body .read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            transition: color var(--transition);
        }

        .img-card .card-body .read-more:hover {
            color: var(--accent-dark);
        }

        /* Highlight box */
        .highlight-box {
            background: #f0fdf4;
            border-left: 4px solid var(--primary);
            padding: 20px 24px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 16px 0;
        }

        .highlight-box p {
            margin: 0;
            font-size: 15px;
            color: #1a3a1f;
            line-height: 1.7;
        }

        /* Grid helpers */
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }

        @media (min-width: 768px) {
            .grid-2 {
                grid-template-columns: 1fr 1fr;
            }
        }

        .grid-3 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }

        @media (min-width: 640px) {
            .grid-3 {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (min-width: 1024px) {
            .grid-3 {
                grid-template-columns: 1fr 1fr 1fr;
            }
        }

        .grid-4 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        @media (min-width: 768px) {
            .grid-4 {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        /* Asymmetric grid */
        .grid-asym {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }

        @media (min-width: 768px) {
            .grid-asym {
                grid-template-columns: 1.3fr 1fr;
            }
        }

        .grid-asym-reverse {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }

        @media (min-width: 768px) {
            .grid-asym-reverse {
                grid-template-columns: 1fr 1.3fr;
            }
        }

        /* Overlay text on image */
        .img-text-block {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            min-height: 280px;
        }

        .img-text-block img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
            z-index: 0;
        }

        .img-text-block .overlay-content {
            position: relative;
            z-index: 1;
            padding: 32px;
            background: linear-gradient(to right, rgba(0, 0, 0, 0.75) 0%, rgba(0, 0, 0, 0.2) 100%);
            color: #fff;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-height: 280px;
        }

        .img-text-block .overlay-content h3 {
            font-size: 22px;
            font-weight: 700;
            margin: 0 0 8px 0;
        }

        .img-text-block .overlay-content p {
            font-size: 14px;
            opacity: 0.9;
            margin: 0;
            max-width: 400px;
            line-height: 1.6;
        }

        /* Form */
        .form-input {
            width: 100%;
            height: 44px;
            padding: 0 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 15px;
            color: var(--text);
            background: #fff;
            transition: border-color var(--transition);
            box-sizing: border-box;
        }

        .form-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 126, 52, 0.08);
        }

        .form-input::placeholder {
            color: #9CA3AF;
        }

        textarea.form-input {
            height: 120px;
            padding: 12px 14px;
            resize: vertical;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        @media (min-width: 640px) {
            .form-row {
                grid-template-columns: 1fr 1fr;
            }
        }

.tab-nav {
            display: flex;
            gap: 8px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        .tab-btn {
            padding: 10px 24px;
            font-size: 14px;
            font-weight: 600;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 20px;
            color: var(--text-weak);
            cursor: pointer;
            transition: all var(--transition);
            font-family: inherit;
        }
        .tab-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .tab-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .tab-content {
            display: none;
        }
        .tab-content.active {
            display: block;
        }
        @media (max-width: 640px) {
            .tab-btn {
                padding: 8px 18px;
                font-size: 13px;
            }
        }