/* 变量及全局重置 */
        :root {
            --primary: #8A2BE2; /* 亮紫 */
            --primary-hover: #7B1FA2;
            --secondary: #D800D8; /* 霓虹粉紫 */
            --accent: #4B0082; /* 深靛紫 */
            --bg-gradient: linear-gradient(135deg, #FAF8FF 0%, #F3EEFF 100%);
            --text-main: #2D203A; /* 深紫黑，保证高对比度 */
            --text-muted: #5E4E70;
            --white: #ffffff;
            --shadow: 0 10px 30px rgba(138, 43, 226, 0.08);
            --shadow-hover: 0 15px 40px rgba(138, 43, 226, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;
            color: var(--text-main);
            background-color: #FAF8FF;
        }

        body {
            line-height: 1.6;
            overflow-x: hidden;
            background: var(--bg-gradient);
        }

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

        /* 统一布局容器 */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 亮紫渐变背景装饰线/块 */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
            position: relative;
        }

        .section-header h2 {
            font-size: 2rem;
            color: var(--accent);
            font-weight: 700;
            margin-bottom: 12px;
            display: inline-block;
            background: linear-gradient(120deg, var(--accent), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 20px rgba(0,0,0,0.05);
            z-index: 1000;
            transition: var(--transition);
        }

        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-area img {
            height: 40px;
            width: auto;
        }

        .logo-text {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: 1px;
        }

        nav ul {
            display: flex;
            list-style: none;
        }

        nav ul li a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-main);
            padding: 6px 12px;
            border-radius: 4px;
        }

        nav ul li a:hover {
            color: var(--primary);
            background: rgba(138, 43, 226, 0.05);
        }

        .nav-btn-group {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: 50px;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-outline {
            border: 2px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }

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

        .btn-solid {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white);
            box-shadow: 0 4px 15px rgba(138, 43, 226, 0.3);
        }

        .btn-solid:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(138, 43, 226, 0.4);
        }

        /* 移动端菜单按钮 */
        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
        }

        .mobile-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--accent);
            border-radius: 3px;
            transition: var(--transition);
        }

        /* 页面主体 */
        main {
            margin-top: 70px;
        }

        section {
            padding: 90px 0;
            border-bottom: 1px solid rgba(138, 43, 226, 0.05);
        }

        /* Section 1: Hero 首屏 (无图片) */
        #hero {
            background: linear-gradient(135deg, #FAF8FF 0%, #EFE8FF 50%, #F5ECFF 100%);
            padding: 120px 0 90px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        #hero::before {
            content: '';
            position: absolute;
            top: -20%;
            left: -10%;
            width: 50%;
            height: 80%;
            background: radial-gradient(circle, rgba(216,0,216,0.08) 0%, transparent 70%);
            z-index: 1;
        }

        #hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            right: -10%;
            width: 50%;
            height: 80%;
            background: radial-gradient(circle, rgba(138,43,226,0.08) 0%, transparent 70%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-tag {
            background: rgba(138, 43, 226, 0.08);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 20px;
        }

        h1 {
            font-size: 3.2rem;
            line-height: 1.25;
            color: var(--accent);
            font-weight: 800;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .hero-sub {
            font-size: 1.2rem;
            color: var(--text-muted);
            margin-bottom: 35px;
            line-height: 1.6;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 50px;
        }

        .hero-buttons .btn {
            padding: 14px 32px;
            font-size: 1.05rem;
        }

        /* 数据指标卡片 (Hero区内) */
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(138, 43, 226, 0.1);
            padding: 20px;
            border-radius: 12px;
            backdrop-filter: blur(10px);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            background: rgba(255, 255, 255, 0.95);
            box-shadow: var(--shadow-hover);
        }

        .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Section 2: 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            color: var(--accent);
            margin-bottom: 15px;
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1rem;
        }

        .about-highlights {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .highlight-item {
            background: var(--white);
            padding: 15px;
            border-radius: 8px;
            border-left: 4px solid var(--primary);
            box-shadow: var(--shadow);
        }

        .highlight-title {
            font-weight: 700;
            margin-bottom: 5px;
            color: var(--text-main);
        }

        .highlight-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Section 3: 全平台AIGC服务 */
        .model-cloud-wrapper {
            background: var(--white);
            border-radius: 16px;
            padding: 40px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(138, 43, 226, 0.05);
        }

        .model-cloud-title {
            text-align: center;
            font-weight: 700;
            margin-bottom: 25px;
            color: var(--accent);
        }

        .model-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .model-tag {
            padding: 8px 16px;
            border-radius: 50px;
            background: #F4EEFF;
            color: var(--accent);
            font-size: 0.9rem;
            font-weight: 600;
            transition: var(--transition);
            border: 1px solid rgba(138, 43, 226, 0.1);
        }

        .model-tag:hover {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white);
            transform: scale(1.08);
        }

        /* Section 4: 一站式AIGC制作 (服务能力卡片) */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: var(--white);
            border-radius: 16px;
            padding: 30px;
            border: 1px solid rgba(138, 43, 226, 0.05);
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
        }

        .service-card:hover::after {
            opacity: 1;
        }

        .card-icon {
            width: 50px;
            height: 50px;
            background: rgba(138, 43, 226, 0.08);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.3rem;
            color: var(--accent);
            margin-bottom: 12px;
            font-weight: 700;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* Section 5: 全行业解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .solution-item {
            background: rgba(255, 255, 255, 0.7);
            border-radius: 12px;
            padding: 25px;
            border: 1px solid rgba(138, 43, 226, 0.05);
            display: flex;
            gap: 20px;
            transition: var(--transition);
        }

        .solution-item:hover {
            background: var(--white);
            box-shadow: var(--shadow-hover);
        }

        .solution-badge {
            flex-shrink: 0;
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }

        .solution-content h4 {
            font-size: 1.15rem;
            color: var(--accent);
            margin-bottom: 8px;
        }

        .solution-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* Section 6 & 7: 流程与技术标准 (时间线) */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 2px;
            background: rgba(138, 43, 226, 0.2);
            transform: translateX(-50%);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 40px;
            width: 50%;
            padding: 0 40px;
        }

        .timeline-item:nth-child(odd) {
            left: 0;
            text-align: right;
        }

        .timeline-item:nth-child(even) {
            left: 50%;
            text-align: left;
        }

        .timeline-badge {
            position: absolute;
            top: 5px;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--secondary);
            border: 4px solid var(--white);
            box-shadow: 0 0 10px rgba(138, 43, 226, 0.4);
            z-index: 10;
        }

        .timeline-item:nth-child(odd) .timeline-badge {
            right: -10px;
        }

        .timeline-item:nth-child(even) .timeline-badge {
            left: -10px;
        }

        .timeline-content {
            background: var(--white);
            padding: 20px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(138, 43, 226, 0.05);
        }

        .timeline-content h4 {
            color: var(--accent);
            font-size: 1.1rem;
            margin-bottom: 6px;
        }

        .timeline-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* Section 8: 客户案例中心 */
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .gallery-item {
            background: var(--white);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .gallery-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .gallery-img-container {
            width: 100%;
            overflow: hidden;
            background: #eae5f5;
        }

        .gallery-img-container img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .gallery-info {
            padding: 20px;
        }

        .gallery-info h4 {
            font-size: 1.1rem;
            color: var(--accent);
            margin-bottom: 8px;
        }

        .gallery-info p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Section 9: 对比评测 */
        .comparison-table-wrapper {
            overflow-x: auto;
            background: var(--white);
            border-radius: 16px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(138, 43, 226, 0.05);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }

        .comparison-table th, .comparison-table td {
            padding: 16px 20px;
            border-bottom: 1px solid rgba(138, 43, 226, 0.05);
        }

        .comparison-table th {
            background: rgba(138, 43, 226, 0.04);
            color: var(--accent);
            font-weight: 700;
        }

        .comparison-table tr:hover {
            background: rgba(138, 43, 226, 0.02);
        }

        .rating-badge {
            display: inline-flex;
            align-items: center;
            background: #FFE5FF;
            color: #D800D8;
            font-weight: 800;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.95rem;
        }

        /* Section 10: Token比价参考 & 价格参考 */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .pricing-card {
            background: var(--white);
            border-radius: 16px;
            padding: 30px;
            border: 1px solid rgba(138, 43, 226, 0.05);
            box-shadow: var(--shadow);
            text-align: center;
            position: relative;
        }

        .pricing-card.featured {
            border: 2px solid var(--primary);
            transform: scale(1.03);
        }

        .pricing-card.featured::before {
            content: '首选推荐';
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            color: var(--white);
            padding: 4px 12px;
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: 20px;
            text-transform: uppercase;
        }

        .pricing-name {
            font-size: 1.15rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .pricing-price {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 15px;
        }

        .pricing-price span {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 400;
        }

        .pricing-features {
            list-style: none;
            margin-bottom: 25px;
            text-align: left;
        }

        .pricing-features li {
            padding: 8px 0;
            font-size: 0.9rem;
            color: var(--text-main);
            border-bottom: 1px solid rgba(138, 43, 226, 0.03);
        }

        .pricing-features li::before {
            content: '✓';
            color: var(--primary);
            margin-right: 8px;
            font-weight: bold;
        }

        /* Section 11: 全国服务网络 */
        .network-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .network-card {
            background: var(--white);
            border-radius: 12px;
            padding: 20px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid rgba(138, 43, 226, 0.05);
        }

        .network-card h4 {
            color: var(--accent);
            margin-bottom: 8px;
        }

        .network-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Section 12 & 13: 职业技术与人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .training-card {
            background: var(--white);
            border-radius: 12px;
            padding: 24px 16px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid rgba(138, 43, 226, 0.05);
            transition: var(--transition);
        }

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

        .training-card h4 {
            color: var(--accent);
            font-size: 1.05rem;
            margin-bottom: 8px;
        }

        .training-card p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Section 14: 加盟代理 */
        .agency-box {
            background: linear-gradient(135deg, rgba(138, 43, 226, 0.05), rgba(216, 0, 216, 0.05));
            border-radius: 20px;
            padding: 50px;
            border: 1px solid rgba(138, 43, 226, 0.1);
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .agency-box h3 {
            font-size: 1.8rem;
            color: var(--accent);
            margin-bottom: 15px;
        }

        .agency-box p {
            color: var(--text-muted);
            margin-bottom: 30px;
            font-size: 1.05rem;
        }

        .agency-features {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-bottom: 35px;
            flex-wrap: wrap;
        }

        .agency-feat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            color: var(--accent);
        }

        /* Section 15: 智能需求匹配 & 联系我们 (表单及联系区) */
        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .contact-form-card {
            background: var(--white);
            border-radius: 16px;
            padding: 35px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(138, 43, 226, 0.05);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--text-main);
            font-size: 0.9rem;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid rgba(138, 43, 226, 0.15);
            border-radius: 8px;
            font-size: 0.95rem;
            color: var(--text-main);
            background: #FAF8FF;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 8px rgba(138, 43, 226, 0.15);
        }

        .contact-info-card {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-details {
            margin-bottom: 30px;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
            background: var(--white);
            padding: 15px;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }

        .contact-icon {
            width: 40px;
            height: 40px;
            background: rgba(138, 43, 226, 0.08);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: bold;
        }

        .contact-text h5 {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .contact-text p {
            font-weight: 700;
            color: var(--accent);
        }

        .qr-area {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 15px;
            margin-top: 20px;
            text-align: center;
        }

        .qr-card {
            background: var(--white);
            padding: 15px;
            border-radius: 10px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(138, 43, 226, 0.05);
        }

        .qr-card img {
            width: 100%;
            height: auto;
            max-width: 120px;
            border-radius: 4px;
            margin-bottom: 8px;
            display: inline-block;
        }

        .qr-card span {
            font-size: 0.75rem;
            color: var(--text-muted);
            font-weight: 600;
            display: block;
        }

        /* Section 16 & 17 & 18: 常见问题 FAQ & 自助排查 & 术语百科 */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto 50px;
        }

        .faq-item {
            background: var(--white);
            border-radius: 8px;
            margin-bottom: 12px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(138, 43, 226, 0.05);
            overflow: hidden;
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--accent);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: var(--transition);
        }

        .faq-question::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--primary);
            transition: var(--transition);
        }

        .faq-item.active .faq-question::after {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: rgba(138, 43, 226, 0.02);
        }

        .faq-answer-content {
            padding: 20px 24px;
            color: var(--text-muted);
            font-size: 0.95rem;
            border-top: 1px solid rgba(138, 43, 226, 0.03);
        }

        /* 术语百科及排查网格 */
        .wiki-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .wiki-card {
            background: var(--white);
            border-radius: 12px;
            padding: 20px;
            box-shadow: var(--shadow);
            border-left: 4px solid var(--secondary);
        }

        .wiki-card h4 {
            color: var(--accent);
            margin-bottom: 8px;
        }

        .wiki-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Section 19: 6条用户评论 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .comment-card {
            background: var(--white);
            border-radius: 16px;
            padding: 25px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(138, 43, 226, 0.05);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .comment-text {
            font-size: 0.9rem;
            color: var(--text-main);
            margin-bottom: 20px;
            font-style: italic;
        }

        .comment-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .user-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }

        .user-meta h5 {
            font-size: 0.95rem;
            color: var(--accent);
        }

        .user-meta span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Section 20: 行业资讯 / 知识库 (最新文章列表) */
        .articles-wrapper {
            background: var(--white);
            border-radius: 16px;
            padding: 40px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(138, 43, 226, 0.05);
        }

        .articles-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .article-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 20px;
            border-bottom: 1px solid rgba(138, 43, 226, 0.05);
            transition: var(--transition);
        }

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

        .article-link {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .article-link::before {
            content: '●';
            color: var(--primary);
            font-size: 0.8rem;
        }

        .article-link:hover {
            color: var(--primary);
            transform: translateX(5px);
        }

        .article-date {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* 浮动客服入口及返回顶部 */
        .floating-service {
            position: fixed;
            bottom: 30px;
            right: 30px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(138, 43, 226, 0.4);
            cursor: pointer;
            transition: var(--transition);
            font-weight: bold;
            font-size: 0.9rem;
        }

        .float-btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 6px 20px rgba(138, 43, 226, 0.6);
        }

        /* 页脚 */
        footer {
            background: #1B0F2A; /* 深紫色背景，与整体亮紫绚烂风承接，属于安全深色 */
            color: #DFD5EC;
            padding: 60px 0 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo {
            margin-bottom: 15px;
        }

        .footer-logo img {
            height: 40px;
            width: auto;
             /* 反色适配深色底 */
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 15px;
        }

        .footer-links h4 {
            color: var(--white);
            margin-bottom: 20px;
            font-size: 1.1rem;
        }

        .footer-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links ul li a {
            font-size: 0.9rem;
            color: #DFD5EC;
        }

        .footer-links ul li a:hover {
            color: var(--secondary);
        }

        .friend-links-area {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            margin-top: 20px;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }

        .friend-links a {
            font-size: 0.85rem;
            color: #BBAACC;
        }

        .friend-links a:hover {
            color: var(--white);
        }

        .copyright-area {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: #A596B8;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .cards-grid, .pricing-grid, .comments-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .gallery-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid, .contact-layout {
                grid-template-columns: 1fr;
            }
            .timeline::before {
                left: 20px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 45px;
                padding-right: 0;
            }
            .timeline-item:nth-child(odd), .timeline-item:nth-child(even) {
                left: 0;
                text-align: left;
            }
            .timeline-item:nth-child(odd) .timeline-badge, .timeline-item:nth-child(even) .timeline-badge {
                left: 10px;
            }
            .cards-grid, .pricing-grid, .comments-grid, .solutions-grid, .network-grid, .wiki-grid {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .gallery-grid {
                grid-template-columns: 1fr;
            }
            nav {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--white);
                box-shadow: 0 10px 20px rgba(0,0,0,0.1);
                padding: 20px;
            }
            nav.active {
                display: block;
            }
            nav ul {
                flex-direction: column;
                gap: 15px;
            }
            .mobile-toggle {
                display: flex;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }