:root {
            --primary: #ff2a74;
            --primary-light: #fff0f5;
            --primary-hover: #e01d60;
            --text-dark: #1f2329;
            --text-muted: #64748b;
            --bg-light: #f8fafc;
            --bg-white: #ffffff;
            --border-color: #f1f5f9;
            --shadow-sm: 0 2px 8px rgba(255, 42, 116, 0.05);
            --shadow-md: 0 8px 24px rgba(255, 42, 116, 0.08);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* Base Reset */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--text-dark);
            background-color: var(--bg-light);
        }
        body {
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* Container */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* Section Layout */
        section {
            padding: 90px 0;
            border-bottom: 1px solid var(--border-color);
            background-color: var(--bg-white);
        }
        section:nth-child(even) {
            background-color: var(--bg-light);
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-header .tag {
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .section-header h2 {
            font-size: 32px;
            color: var(--text-dark);
            font-weight: 700;
            margin-bottom: 16px;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 600px;
            margin: 0 auto;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            font-size: 15px;
        }
        .btn-primary {
            background-color: var(--primary);
            color: var(--bg-white);
        }
        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(255, 42, 116, 0.3);
        }
        .btn-outline {
            background-color: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background-color: var(--primary-light);
            transform: translateY(-2px);
        }

        /* Header & Nav */
        header {
            position: sticky;
            top: 0;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            z-index: 1000;
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--border-color);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .logo-wrap img {
            max-height: 40px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 24px;
        }
        .nav-links a {
            color: var(--text-dark);
            font-size: 14px;
            font-weight: 500;
        }
        .nav-links a:hover {
            color: var(--primary);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-dark);
            cursor: pointer;
        }

        /* Hero Section (No Image) */
        .hero {
            background: radial-gradient(circle at 10% 20%, rgba(255, 240, 245, 0.8) 0%, rgba(255, 255, 255, 1) 90%);
            padding: 120px 0 90px;
            text-align: center;
            border-bottom: 1px solid var(--border-color);
        }
        .hero h1 {
            font-size: 48px;
            line-height: 1.25;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 24px;
            letter-spacing: -0.5px;
        }
        .hero h1 span {
            color: var(--primary);
        }
        .hero p {
            font-size: 20px;
            color: var(--text-muted);
            max-width: 750px;
            margin: 0 auto 40px;
            line-height: 1.6;
        }
        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-bottom: 60px;
        }
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            max-width: 900px;
            margin: 0 auto;
            padding-top: 40px;
            border-top: 1px solid var(--border-color);
        }
        .stat-card {
            background: var(--bg-white);
            padding: 24px;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(255, 42, 116, 0.05);
        }
        .stat-card h3 {
            font-size: 32px;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .stat-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
        }

        /* Service Cards & Abilities */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .service-card {
            background: var(--bg-white);
            padding: 32px;
            border-radius: 16px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        .service-card .icon-box {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background-color: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 24px;
            font-weight: bold;
        }
        .service-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .service-card p {
            color: var(--text-muted);
            font-size: 14px;
        }

        /* Workflow & Timeline */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding: 40px 0;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background-color: var(--border-color);
            transform: translateX(-50%);
        }
        .timeline-item {
            position: relative;
            margin-bottom: 40px;
            width: 50%;
        }
        .timeline-item:nth-child(odd) {
            left: 0;
            padding-right: 40px;
            text-align: right;
        }
        .timeline-item:nth-child(even) {
            left: 50%;
            padding-left: 40px;
            text-align: left;
        }
        .timeline-dot {
            position: absolute;
            top: 4px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background-color: var(--primary);
            border: 4px solid var(--bg-white);
            box-shadow: 0 0 0 4px var(--primary-light);
            z-index: 2;
        }
        .timeline-item:nth-child(odd) .timeline-dot {
            right: -8px;
        }
        .timeline-item:nth-child(even) .timeline-dot {
            left: -8px;
        }
        .timeline-content {
            background-color: var(--bg-white);
            padding: 24px;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .timeline-content h4 {
            font-size: 18px;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .timeline-content p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* Solutions Layout */
        .solutions-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .solution-content h3 {
            font-size: 28px;
            margin-bottom: 16px;
        }
        .solution-list li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 12px;
            font-size: 15px;
        }
        .solution-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: bold;
        }

        /* Evaluation Table */
        .table-responsive {
            overflow-x: auto;
            background-color: var(--bg-white);
            border-radius: 16px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
        }
        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }
        th, td {
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-color);
        }
        th {
            background-color: var(--primary-light);
            color: var(--text-dark);
            font-weight: 700;
        }
        tr:last-child td {
            border-bottom: none;
        }
        .highlight-row {
            background-color: rgba(255, 42, 116, 0.02);
        }
        .rating-star {
            color: #ffb703;
            font-size: 18px;
        }

        /* Tag Cloud & Model List */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            max-width: 900px;
            margin: 0 auto;
        }
        .tag-item {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 14px;
            transition: var(--transition);
        }
        .tag-item:hover {
            border-color: var(--primary);
            color: var(--primary);
            background-color: var(--primary-light);
            transform: translateY(-2px);
        }

        /* Double Material/Banner Grid */
        .grid-media {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
            margin-top: 40px;
        }
        .media-card {
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
        }
        .media-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .media-info {
            padding: 20px;
        }
        .media-info h4 {
            margin-bottom: 8px;
            font-size: 16px;
        }
        .media-info p {
            color: var(--text-muted);
            font-size: 13px;
        }

        /* FAQ Accordion */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .faq-header {
            width: 100%;
            padding: 20px 24px;
            background: none;
            border: none;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
        }
        .faq-header::after {
            content: '+';
            font-size: 20px;
            color: var(--primary);
            transition: transform 0.3s ease;
        }
        .faq-item.active .faq-header::after {
            transform: rotate(45deg);
        }
        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            background-color: #fafafa;
        }
        .faq-content {
            padding: 20px 24px;
            font-size: 14px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
        }

        /* Feedback Section (Comments) */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }
        .comment-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 28px;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
        }
        .comment-header {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 16px;
        }
        .comment-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: var(--primary-light);
            color: var(--primary);
            font-weight: bold;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .comment-meta h4 {
            font-size: 15px;
            margin-bottom: 2px;
        }
        .comment-meta span {
            font-size: 12px;
            color: var(--text-muted);
        }
        .comment-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Form Area */
        .form-section {
            background: linear-gradient(135deg, var(--primary-light) 0%, rgba(255, 255, 255, 1) 100%);
        }
        .form-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 60px;
            align-items: start;
        }
        .form-info h3 {
            font-size: 32px;
            margin-bottom: 20px;
        }
        .contact-channel {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            margin-bottom: 24px;
        }
        .channel-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background-color: var(--bg-white);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-sm);
        }
        .channel-details h4 {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 4px;
        }
        .channel-details p {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
        }
        .form-container-box {
            background-color: var(--bg-white);
            padding: 40px;
            border-radius: 16px;
            box-shadow: var(--shadow-md);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-label {
            display: block;
            margin-bottom: 8px;
            font-size: 14px;
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            background-color: var(--bg-light);
            color: var(--text-dark);
            outline: none;
            font-size: 14px;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--primary);
            background-color: var(--bg-white);
            box-shadow: 0 0 0 3px rgba(255, 42, 116, 0.1);
        }
        textarea.form-control {
            resize: vertical;
            min-height: 100px;
        }

        /* Info Articles List */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .article-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .article-content {
            padding: 24px;
        }
        .article-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: block;
        }
        .article-card h4 {
            font-size: 16px;
            line-height: 1.4;
            margin-bottom: 12px;
        }
        .article-card h4 a {
            color: var(--text-dark);
        }
        .article-card h4 a:hover {
            color: var(--primary);
        }

        /* Footer Style */
        footer {
            background-color: var(--text-dark);
            color: #94a3b8;
            padding: 60px 0 30px;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand img {
            max-height: 40px;
            margin-bottom: 20px;
            
        }
        .footer-title {
            color: var(--bg-white);
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .footer-contact p {
            margin-bottom: 12px;
        }
        .footer-bottom {
            border-top: 1px solid #2e354f;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .friend-links a {
            color: #64748b;
        }
        .friend-links a:hover {
            color: var(--bg-white);
        }

        /* Floating Components */
        .float-kefu {
            position: fixed;
            right: 24px;
            bottom: 24px;
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
            border-radius: 50%;
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            z-index: 999;
            transition: var(--transition);
        }
        .float-kefu:hover {
            transform: scale(1.05);
            background-color: var(--primary-light);
        }
        .float-kefu svg {
            width: 24px;
            height: 24px;
            fill: var(--primary);
        }
        .kefu-panel {
            position: fixed;
            right: 24px;
            bottom: 90px;
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
            padding: 20px;
            border-radius: 12px;
            width: 260px;
            text-align: center;
            display: none;
            z-index: 999;
            animation: slideUp 0.3s ease;
        }
        .kefu-panel img {
            width: 150px;
            height: 150px;
            margin: 0 auto 12px;
        }
        .kefu-panel p {
            font-size: 13px;
            color: var(--text-dark);
            margin-bottom: 4px;
        }

        /* Map Network Map placeholder */
        .network-map {
            background-color: #fafafa;
            border: 1px dashed var(--primary);
            border-radius: 12px;
            padding: 40px;
            text-align: center;
            color: var(--text-muted);
            margin-top: 30px;
        }
        
        /* Time line & Badges */
        .badge-list {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .badge {
            background-color: #f1f5f9;
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 13px;
            color: var(--text-muted);
        }

        /* Animation */
        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Responsive Design */
        @media (max-width: 992px) {
            .hero h1 { font-size: 36px; }
            .hero-stats { grid-template-columns: repeat(2, 1fr); }
            .solutions-grid, .form-layout { grid-template-columns: 1fr; gap: 40px; }
            .footer-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background-color: var(--bg-white);
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
            }
            .nav-links.active {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .timeline::before {
                left: 20px;
            }
            .timeline-item {
                width: 100%;
                left: 0 !important;
                padding-left: 40px !important;
                padding-right: 0 !important;
                text-align: left !important;
            }
            .timeline-dot {
                left: 12px !important;
            }
            .hero-stats { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }