/* 页面基础 CSS 样式 */
        :root {
            --primary-color: #FFD700; /* 鲜黄耀眼风 */
            --primary-hover: #FCD116;
            --dark-color: #121212;
            --dark-bg: #1e1e1e;
            --light-bg: #f9f9f9;
            --light-card: #ffffff;
            --text-dark: #222222;
            --text-muted: #666666;
            --border-color: #e5e5e5;
            --transition-speed: 0.3s;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;
            background-color: var(--light-bg);
            color: var(--text-dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        ul {
            list-style: none;
        }

        img {
            max-width: 100%;
            height: auto;
            vertical-align: middle;
        }

        /* 统一布局容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 头部导航区 */
        header {
            background-color: var(--dark-color);
            color: #ffffff;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 3px solid var(--primary-color);
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
        }

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

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

        .logo-area img {
            height: 45px;
            width: auto;
        }

        .nav-menu {
            display: flex;
            gap: 20px;
        }

        .nav-menu a {
            font-size: 14px;
            font-weight: 500;
            padding: 5px 10px;
            border-radius: 4px;
        }

        .nav-menu a:hover {
            color: var(--primary-color);
        }

        .nav-btn {
            background-color: var(--primary-color);
            color: var(--dark-color);
            font-weight: 700;
            padding: 8px 18px;
            border-radius: 4px;
            transition: background var(--transition-speed);
        }

        .nav-btn:hover {
            background-color: #ffffff;
            color: var(--dark-color);
        }

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

        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: #ffffff;
            border-radius: 3px;
            transition: all var(--transition-speed);
        }

        /* 首屏 Hero 区域 (无图片，纯CSS布局与渐变) */
        .hero-section {
            background: linear-gradient(135deg, var(--dark-color) 0%, #2c2c2c 100%);
            color: #ffffff;
            padding: 100px 0 80px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,215,0,0.08) 0%, transparent 60%);
            pointer-events: none;
        }

        .hero-badge {
            background-color: var(--primary-color);
            color: var(--dark-color);
            font-weight: bold;
            font-size: 14px;
            padding: 6px 16px;
            border-radius: 50px;
            display: inline-block;
            margin-bottom: 20px;
            text-transform: uppercase;
            box-shadow: 0 4px 10px rgba(255,215,0,0.2);
        }

        .hero-title h1 {
            font-size: 2.8rem;
            line-height: 1.25;
            font-weight: 800;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .hero-title h1 span {
            color: var(--primary-color);
        }

        .hero-desc {
            font-size: 1.15rem;
            color: #cccccc;
            max-width: 800px;
            margin: 0 auto 35px;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
        }

        .btn-main {
            background-color: var(--primary-color);
            color: var(--dark-color);
            font-size: 16px;
            font-weight: bold;
            padding: 14px 30px;
            border-radius: 6px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
            transition: transform var(--transition-speed), background var(--transition-speed);
        }

        .btn-main:hover {
            background-color: #ffffff;
            transform: translateY(-2px);
        }

        .btn-sub {
            background-color: transparent;
            color: #ffffff;
            font-size: 16px;
            font-weight: bold;
            padding: 14px 30px;
            border: 2px solid rgba(255,255,255,0.2);
            border-radius: 6px;
            transition: background var(--transition-speed), border-color var(--transition-speed);
        }

        .btn-sub:hover {
            background-color: rgba(255,255,255,0.1);
            border-color: #ffffff;
        }

        /* 数据指标卡片 */
        .stats-section {
            background-color: #ffffff;
            padding: 40px 0;
            border-bottom: 1px solid var(--border-color);
        }

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

        .stat-card {
            padding: 20px;
        }

        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark-color);
            border-bottom: 3px solid var(--primary-color);
            display: inline-block;
            padding-bottom: 5px;
            margin-bottom: 10px;
        }

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

        /* 板块通用头部 */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark-color);
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background-color: var(--primary-color);
        }

        .section-header p {
            font-size: 1rem;
            color: var(--text-muted);
            margin-top: 15px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 通用Section结构 */
        section {
            padding: 80px 0;
        }

        section:nth-of-type(even) {
            background-color: #ffffff;
        }

        /* 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--dark-color);
        }

        .about-text p {
            margin-bottom: 15px;
            color: var(--text-muted);
        }

        .about-feature {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-top: 25px;
        }

        .feature-item {
            background-color: var(--light-bg);
            padding: 15px;
            border-left: 4px solid var(--primary-color);
            border-radius: 4px;
        }

        .feature-item h4 {
            font-size: 15px;
            font-weight: bold;
            margin-bottom: 5px;
        }

        .feature-item p {
            font-size: 13px;
            margin: 0;
        }

        .about-media {
            border: 5px solid var(--primary-color);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        /* 全平台AIGC服务 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .service-card {
            background-color: var(--light-card);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 30px;
            transition: transform var(--transition-speed), box-shadow var(--transition-speed), border-color var(--transition-speed);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.05);
            border-color: var(--primary-color);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            background-color: var(--primary-color);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: bold;
            color: var(--dark-color);
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.25rem;
            margin-bottom: 12px;
            color: var(--dark-color);
        }

        .service-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .service-tags span {
            font-size: 12px;
            background-color: var(--light-bg);
            padding: 3px 8px;
            border-radius: 4px;
            color: var(--text-dark);
        }

        /* 一站式AIGC制作场景 */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .scenario-box {
            background-color: var(--light-card);
            border: 2px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: border-color var(--transition-speed);
        }

        .scenario-box:hover {
            border-color: var(--primary-color);
        }

        .scenario-info {
            padding: 30px;
            flex-grow: 1;
        }

        .scenario-badge {
            background-color: var(--dark-color);
            color: var(--primary-color);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: bold;
            display: inline-block;
            margin-bottom: 15px;
        }

        .scenario-info h3 {
            font-size: 1.4rem;
            margin-bottom: 10px;
            color: var(--dark-color);
        }

        .scenario-info p {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 20px;
        }

        .scenario-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }

        .scenario-list li {
            font-size: 13px;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .scenario-list li::before {
            content: '✓';
            color: var(--primary-color);
            font-weight: bold;
        }

        /* 全行业解决方案 */
        .solutions-nav {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }

        .solution-tab {
            padding: 10px 20px;
            background-color: var(--light-card);
            border: 1px solid var(--border-color);
            border-radius: 30px;
            cursor: pointer;
            font-weight: 500;
            transition: all var(--transition-speed);
        }

        .solution-tab.active, .solution-tab:hover {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            color: var(--dark-color);
            font-weight: bold;
        }

        .solution-content {
            background-color: var(--light-card);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 30px;
        }

        .solution-pane {
            display: none;
        }

        .solution-pane.active {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .solution-detail h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
        }

        .solution-detail ul {
            margin: 20px 0;
        }

        .solution-detail li {
            margin-bottom: 10px;
            font-size: 14px;
        }

        /* 服务网络 */
        .network-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 30px;
        }

        .network-info {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .network-info h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
        }

        .network-cities {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-top: 20px;
        }

        .city-tag {
            background-color: var(--light-card);
            border: 1px solid var(--border-color);
            padding: 10px;
            text-align: center;
            border-radius: 4px;
            font-size: 13px;
            font-weight: bold;
        }

        /* 标准化流程 & 技术标准 */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-card {
            background-color: var(--light-card);
            padding: 30px 20px;
            border-radius: 8px;
            border-top: 4px solid var(--primary-color);
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
            text-align: center;
            position: relative;
        }

        .step-num {
            width: 40px;
            height: 40px;
            background-color: var(--dark-color);
            color: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            margin: 0 auto 15px;
            font-size: 16px;
        }

        .step-card h3 {
            font-size: 1.1rem;
            margin-bottom: 10px;
        }

        .step-card p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 技术标准 */
        .tech-box {
            background-color: var(--dark-color);
            color: #ffffff;
            padding: 40px;
            border-radius: 12px;
            margin-top: 50px;
        }

        .tech-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .tech-item h4 {
            color: var(--primary-color);
            font-size: 1.1rem;
            margin-bottom: 10px;
        }

        .tech-item p {
            font-size: 13px;
            color: #cccccc;
        }

        /* 案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 25px;
        }

        .case-main {
            border-radius: 8px;
            overflow: hidden;
            border: 2px solid var(--border-color);
            background-color: var(--light-card);
        }

        .case-main img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .case-body {
            padding: 25px;
        }

        .case-side {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .case-sub-card {
            background-color: var(--light-card);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .case-sub-card img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .case-sub-info {
            padding: 15px;
        }

        /* 对比评测 */
        .rating-banner {
            background-color: var(--primary-color);
            color: var(--dark-color);
            padding: 30px;
            border-radius: 8px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 40px;
        }

        .rating-info h3 {
            font-size: 1.8rem;
            font-weight: 800;
        }

        .rating-stars {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .stars {
            color: var(--dark-color);
            font-size: 24px;
        }

        .score {
            font-size: 2.2rem;
            font-weight: 800;
        }

        .compare-table-wrapper {
            overflow-x: auto;
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            background-color: var(--light-card);
            border: 1px solid var(--border-color);
            text-align: left;
            min-width: 600px;
        }

        .compare-table th, .compare-table td {
            padding: 15px 20px;
            border: 1px solid var(--border-color);
        }

        .compare-table th {
            background-color: var(--dark-color);
            color: #ffffff;
        }

        .compare-table th:nth-child(2) {
            background-color: var(--primary-color);
            color: var(--dark-color);
        }

        .compare-table tr:hover {
            background-color: rgba(255,215,0,0.05);
        }

        /* 需求匹配与联系表单 */
        .form-section {
            background-color: var(--dark-color);
            color: #ffffff;
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .form-intro h3 {
            font-size: 2rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }

        .form-intro p {
            color: #cccccc;
            margin-bottom: 30px;
        }

        .form-info-list li {
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .form-info-list i {
            color: var(--primary-color);
            font-weight: bold;
        }

        .match-form {
            background-color: #2a2a2a;
            padding: 40px;
            border-radius: 8px;
            border-left: 4px solid var(--primary-color);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-size: 14px;
            font-weight: bold;
            color: #ffffff;
        }

        .form-control {
            width: 100%;
            padding: 12px;
            background-color: #1e1e1e;
            border: 1px solid #444444;
            color: #ffffff;
            border-radius: 4px;
            font-size: 14px;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary-color);
        }

        .form-btn {
            width: 100%;
            background-color: var(--primary-color);
            color: var(--dark-color);
            border: none;
            padding: 14px;
            font-size: 16px;
            font-weight: bold;
            border-radius: 4px;
            cursor: pointer;
            transition: background var(--transition-speed);
        }

        .form-btn:hover {
            background-color: #ffffff;
        }

        /* Token 比价 */
        .token-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }

        .token-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 30px;
        }

        .token-tag {
            background-color: var(--light-card);
            border: 1px solid var(--border-color);
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 13px;
        }

        /* 职业技术培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .training-card {
            background-color: var(--light-card);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 30px;
            border-top: 5px solid var(--dark-color);
        }

        .training-card.featured {
            border-top-color: var(--primary-color);
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
        }

        .training-card h3 {
            font-size: 1.25rem;
            margin-bottom: 10px;
        }

        .training-card .meta {
            color: var(--primary-color);
            background-color: var(--dark-color);
            padding: 3px 8px;
            font-size: 12px;
            display: inline-block;
            border-radius: 4px;
            margin-bottom: 15px;
            font-weight: bold;
        }

        .training-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .training-card ul li {
            font-size: 13px;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

        /* 帮助中心与自助排查 */
        .help-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
        }

        .help-sidebar {
            background-color: var(--light-card);
            border: 1px solid var(--border-color);
            padding: 25px;
            border-radius: 8px;
            height: fit-content;
        }

        .help-sidebar h3 {
            margin-bottom: 15px;
            font-size: 1.2rem;
            border-bottom: 2px solid var(--primary-color);
            padding-bottom: 8px;
        }

        .help-nav-list li {
            margin-bottom: 10px;
        }

        .help-nav-list a {
            font-size: 14px;
            display: block;
            padding: 8px;
            border-radius: 4px;
        }

        .help-nav-list a:hover, .help-nav-list a.active {
            background-color: var(--primary-color);
            color: var(--dark-color);
            font-weight: bold;
        }

        /* FAQ折叠面板 */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            background-color: var(--light-card);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            overflow: hidden;
        }

        .faq-question {
            padding: 18px 20px;
            background-color: #ffffff;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: bold;
            font-size: 15px;
            user-select: none;
        }

        .faq-question::after {
            content: '+';
            font-size: 20px;
            color: var(--text-muted);
            transition: transform var(--transition-speed);
        }

        .faq-item.active .faq-question::after {
            content: '-';
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-speed) ease-out;
            background-color: #fafafa;
        }

        .faq-answer-content {
            padding: 20px;
            border-top: 1px solid var(--border-color);
            font-size: 14px;
            color: var(--text-muted);
        }

        /* AI术语百科 */
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 15px;
            margin-top: 30px;
        }

        .glossary-card {
            background-color: var(--light-card);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 6px;
        }

        .glossary-card h4 {
            font-size: 14px;
            font-weight: bold;
            color: var(--dark-color);
            margin-bottom: 5px;
        }

        .glossary-card p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 客户评论 */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .testimonial-card {
            background-color: var(--light-card);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.01);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .testimonial-text {
            font-size: 14px;
            color: var(--text-muted);
            font-style: italic;
            margin-bottom: 20px;
            position: relative;
        }

        .testimonial-text::before {
            content: '“';
            font-size: 30px;
            color: var(--primary-color);
            position: absolute;
            top: -15px;
            left: -10px;
            opacity: 0.5;
        }

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

        .author-avatar {
            width: 40px;
            height: 40px;
            background-color: var(--primary-color);
            color: var(--dark-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 14px;
        }

        .author-info h4 {
            font-size: 14px;
            font-weight: bold;
        }

        .author-info p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 知识库/行业资讯 */
        .blog-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .blog-card {
            background-color: var(--light-card);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .blog-info {
            padding: 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .blog-info h3 {
            font-size: 1.1rem;
            margin-bottom: 15px;
            line-height: 1.4;
        }

        .blog-info h3 a {
            color: var(--dark-color);
        }

        .blog-info h3 a:hover {
            color: var(--primary-color);
        }

        .blog-meta {
            display: flex;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
            padding-top: 15px;
        }

        /* 加盟代理 */
        .agent-section {
            background: linear-gradient(135deg, #2c2c2c 0%, var(--dark-color) 100%);
            color: #ffffff;
            text-align: center;
            padding: 80px 0;
        }

        .agent-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .agent-container h2 {
            font-size: 2.2rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }

        .agent-container p {
            color: #cccccc;
            margin-bottom: 35px;
        }

        .agent-features {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: 40px;
        }

        .agent-feature-card {
            background-color: rgba(255,255,255,0.05);
            padding: 20px;
            border-radius: 8px;
            border: 1px solid rgba(255,215,0,0.2);
        }

        .agent-feature-card h4 {
            color: var(--primary-color);
            margin-bottom: 10px;
        }

        /* 页脚区域 */
        footer {
            background-color: var(--dark-color);
            color: #ffffff;
            padding: 60px 0 30px;
            border-top: 5px solid var(--primary-color);
        }

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

        .footer-logo-area img {
            height: 50px;
            margin-bottom: 15px;
        }

        .footer-logo-area p {
            color: #999999;
            font-size: 13px;
            line-height: 1.6;
        }

        .footer-links h4 {
            font-size: 15px;
            margin-bottom: 20px;
            border-left: 3px solid var(--primary-color);
            padding-left: 10px;
        }

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

        .footer-links ul li a {
            color: #cccccc;
            font-size: 13px;
        }

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

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

        .footer-qr img {
            width: 110px;
            height: 110px;
            border: 3px solid var(--primary-color);
            border-radius: 4px;
            margin-bottom: 10px;
        }

        .footer-qr p {
            font-size: 12px;
            color: #cccccc;
        }

        /* 友情链接与版权 */
        .footer-bottom {
            border-top: 1px solid #333333;
            padding-top: 25px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 15px;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            justify-content: center;
            font-size: 12px;
            color: #999999;
        }

        .friend-links a {
            color: #999999;
        }

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

        .copyright {
            font-size: 12px;
            color: #666666;
            text-align: center;
        }

        /* 浮动客服入口 */
        .float-widget {
            position: fixed;
            right: 20px;
            bottom: 80px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .widget-item {
            width: 50px;
            height: 50px;
            background-color: var(--primary-color);
            color: var(--dark-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
            position: relative;
            font-weight: bold;
            font-size: 12px;
            transition: transform var(--transition-speed);
        }

        .widget-item:hover {
            transform: scale(1.1);
        }

        .widget-qr-pop {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: #ffffff;
            border: 2px solid var(--primary-color);
            padding: 10px;
            border-radius: 8px;
            display: none;
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            text-align: center;
        }

        .widget-qr-pop img {
            width: 120px;
            height: 120px;
        }

        .widget-qr-pop p {
            color: var(--dark-color);
            font-size: 11px;
            margin-top: 5px;
        }

        .widget-item:hover .widget-qr-pop {
            display: block;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .services-grid, .testimonials-grid, .training-grid, .blog-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }

            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--dark-color);
                padding: 20px;
                border-bottom: 3px solid var(--primary-color);
                box-shadow: 0 10px 20px rgba(0,0,0,0.2);
            }

            .nav-menu.active {
                display: flex;
            }

            .hero-title h1 {
                font-size: 1.8rem;
            }

            .about-grid, .scenarios-grid, .solution-pane.active, .network-grid, .case-grid, .form-grid, .help-grid {
                grid-template-columns: 1fr;
            }

            .services-grid, .testimonials-grid, .training-grid, .blog-grid {
                grid-template-columns: 1fr;
            }

            .steps-container {
                grid-template-columns: 1fr;
            }

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

            .rating-banner {
                flex-direction: column;
                gap: 20px;
                text-align: center;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }
            
            .glossary-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }