/* 基础重置 & 暗夜赛博高饱和粉紫风样式 */
        :root {
            --bg-dark: #070314;
            --bg-card: #120a28;
            --bg-nav: rgba(11, 5, 26, 0.9);
            --primary: #ff007f; /* 霓虹粉 */
            --secondary: #9d00ff; /* 霓虹紫 */
            --accent: #00f0ff; /* 赛博青 */
            --text-light: #ffffff;
            --text-gray: #b5adc8;
            --border-neon: rgba(255, 0, 127, 0.3);
            --border-purple: rgba(157, 0, 255, 0.2);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            --container-width: 1200px;
        }

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

        body {
            font-family: var(--font-family);
            background-color: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: all 0.3s ease;
        }

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

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

        /* 霓虹按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--text-light);
            box-shadow: 0 0 15px rgba(255, 0, 127, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 25px rgba(255, 0, 127, 0.7);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--accent);
            color: var(--accent);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
        }

        .btn-outline:hover {
            background: var(--accent);
            color: var(--bg-dark);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.6);
            transform: translateY(-2px);
        }

        /* 标题设计 */
        .section-title {
            text-align: center;
            margin-bottom: 50px;
            position: relative;
        }

        .section-title h2 {
            font-size: 32px;
            font-weight: 700;
            background: linear-gradient(to right, var(--text-light), var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
            margin-bottom: 10px;
        }

        .section-title p {
            color: var(--text-gray);
            font-size: 16px;
            max-width: 600px;
            margin: 0 auto;
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--bg-nav);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-neon);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }

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

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

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            background: linear-gradient(45deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-links {
            display: flex;
            gap: 20px;
            list-style: none;
        }

        .nav-links a {
            color: var(--text-gray);
            font-weight: 500;
            font-size: 14px;
            padding: 8px 12px;
            border-radius: 4px;
        }

        .nav-links a:hover, .nav-links a.active {
            color: var(--text-light);
            background: rgba(255, 0, 127, 0.1);
        }

        .nav-btn-box {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--text-light);
            transition: all 0.3s ease;
        }

        /* Hero 区域 - 首屏绝无图片 */
        .hero-section {
            padding: 180px 0 100px;
            position: relative;
            background: radial-gradient(circle at 50% 30%, rgba(157, 0, 255, 0.15), transparent 60%);
            text-align: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, transparent, var(--bg-dark));
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 10;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 0, 127, 0.15);
            border: 1px solid var(--primary);
            color: var(--primary);
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 25px;
            letter-spacing: 1px;
            box-shadow: 0 0 10px rgba(255, 0, 127, 0.2);
        }

        .hero-title {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 25px;
            background: linear-gradient(135deg, var(--text-light) 30%, var(--primary) 70%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-gray);
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 50px;
        }

        .hero-features-list {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            padding: 20px;
            background: rgba(18, 10, 40, 0.6);
            border: 1px solid var(--border-purple);
            border-radius: 16px;
            backdrop-filter: blur(10px);
        }

        .hero-feature-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            color: var(--text-light);
        }

        .hero-feature-item svg {
            color: var(--accent);
            width: 18px;
            height: 18px;
        }

        /* 数据指标卡片 */
        .stats-section {
            padding: 40px 0;
            background: rgba(10, 5, 23, 0.8);
            border-top: 1px solid var(--border-purple);
            border-bottom: 1px solid var(--border-purple);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }

        .stat-card {
            padding: 20px;
        }

        .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 5px;
            font-family: monospace;
            text-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
        }

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

        /* 通用卡片容器样式 */
        .section-padding {
            padding: 100px 0;
        }

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

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

        .card {
            background: var(--bg-card);
            border: 1px solid var(--border-purple);
            border-radius: 16px;
            padding: 30px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 0 10px 30px rgba(255, 0, 127, 0.15);
        }

        .card:hover::before {
            opacity: 1;
        }

        /* 关于我们 & 平台介绍 */
        .about-wrapper {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 24px;
            margin-bottom: 20px;
            color: var(--text-light);
        }

        .about-text p {
            color: var(--text-gray);
            margin-bottom: 20px;
            font-size: 15px;
        }

        .about-highlights {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .highlight-item {
            background: rgba(255, 255, 255, 0.03);
            border-left: 3px solid var(--accent);
            padding: 15px;
            border-radius: 0 8px 8px 0;
        }

        .highlight-item h4 {
            font-size: 16px;
            margin-bottom: 5px;
            color: var(--text-light);
        }

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

        .about-visual {
            background: linear-gradient(135deg, rgba(255, 0, 127, 0.1), rgba(0, 240, 255, 0.1));
            border: 1px solid var(--border-neon);
            border-radius: 20px;
            padding: 40px;
            text-align: center;
            box-shadow: 0 0 30px rgba(157, 0, 255, 0.15);
        }

        .about-visual h4 {
            font-size: 22px;
            margin-bottom: 20px;
            color: var(--accent);
        }

        .model-tags-container {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        /* 标签云 */
        .tag {
            padding: 6px 12px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-gray);
            border-radius: 6px;
            font-size: 13px;
            transition: all 0.3s ease;
        }

        .tag:hover {
            background: rgba(255, 0, 127, 0.15);
            border-color: var(--primary);
            color: var(--text-light);
        }

        /* 全平台AIGC服务 (模型网格) */
        .models-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 15px;
            margin-top: 30px;
        }

        .model-item {
            background: var(--bg-card);
            border: 1px solid var(--border-purple);
            padding: 15px 10px;
            text-align: center;
            border-radius: 10px;
            font-weight: 500;
            font-size: 14px;
            transition: all 0.2s ease;
        }

        .model-item:hover {
            border-color: var(--accent);
            background: rgba(0, 240, 255, 0.05);
            transform: scale(1.05);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
        }

        /* 一站式AIGC制作 & 核心卖点 */
        .service-icon {
            width: 50px;
            height: 50px;
            background: rgba(157, 0, 255, 0.2);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .card:hover .service-icon {
            background: var(--primary);
            color: var(--text-light);
            box-shadow: 0 0 15px var(--primary);
        }

        .card h3 {
            font-size: 18px;
            margin-bottom: 12px;
            color: var(--text-light);
        }

        .card p {
            color: var(--text-gray);
            font-size: 14px;
        }

        /* 标准化AIGC流程步骤 */
        .steps-container {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 50px;
        }

        .steps-container::before {
            content: '';
            position: absolute;
            top: 25px;
            left: 5%;
            right: 5%;
            height: 2px;
            background: var(--border-purple);
            z-index: 1;
        }

        .step-item {
            position: relative;
            z-index: 2;
            text-align: center;
            width: 18%;
        }

        .step-number {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 2px solid var(--secondary);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            margin: 0 auto 15px;
            transition: all 0.3s ease;
            box-shadow: 0 0 15px rgba(157, 0, 255, 0.2);
        }

        .step-item:hover .step-number {
            border-color: var(--primary);
            color: var(--text-light);
            background: var(--primary);
            box-shadow: 0 0 20px var(--primary);
        }

        .step-item h4 {
            font-size: 15px;
            margin-bottom: 8px;
            color: var(--text-light);
        }

        .step-item p {
            font-size: 12px;
            color: var(--text-gray);
        }

        /* 技术标准 */
        .standards-box {
            background: var(--bg-card);
            border: 1px solid var(--border-neon);
            border-radius: 16px;
            padding: 40px;
            margin-top: 40px;
        }

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

        .standard-col h4 {
            color: var(--accent);
            font-size: 18px;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .standard-col ul {
            list-style: none;
        }

        .standard-col li {
            font-size: 14px;
            color: var(--text-gray);
            margin-bottom: 10px;
            position: relative;
            padding-left: 15px;
        }

        .standard-col li::before {
            content: '▪';
            position: absolute;
            left: 0;
            color: var(--primary);
        }

        /* 案例展示 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background: var(--bg-card);
            border: 1px solid var(--border-purple);
            border-radius: 16px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .case-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent);
            box-shadow: 0 10px 30px rgba(0, 240, 255, 0.15);
        }

        .case-image-wrapper {
            width: 100%;
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .case-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .case-card:hover .case-image-wrapper img {
            transform: scale(1.1);
        }

        .case-info {
            padding: 20px;
        }

        .case-tag {
            display: inline-block;
            padding: 3px 8px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--accent);
            color: var(--accent);
            font-size: 12px;
            border-radius: 4px;
            margin-bottom: 10px;
        }

        .case-info h4 {
            font-size: 16px;
            margin-bottom: 8px;
            color: var(--text-light);
        }

        .case-info p {
            font-size: 13px;
            color: var(--text-gray);
        }

        /* 对比评测 */
        .review-score-box {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 40px;
            background: linear-gradient(135deg, rgba(255, 0, 127, 0.1), rgba(157, 0, 255, 0.1));
            border: 1px solid var(--border-neon);
            padding: 30px;
            border-radius: 16px;
            margin-bottom: 40px;
            text-align: center;
        }

        .score-big {
            font-size: 56px;
            font-weight: 800;
            color: var(--primary);
            text-shadow: 0 0 20px rgba(255, 0, 127, 0.5);
            line-height: 1;
        }

        .score-stars {
            color: #ffb700;
            font-size: 24px;
            margin-top: 5px;
        }

        .score-desc {
            font-size: 18px;
            color: var(--text-light);
            font-weight: 600;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border: 1px solid var(--border-purple);
            border-radius: 12px;
            background: var(--bg-card);
        }

        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            font-size: 14px;
        }

        th, td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-purple);
        }

        th {
            background: rgba(157, 0, 255, 0.15);
            color: var(--accent);
            font-weight: 600;
        }

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

        .highlight-row {
            background: rgba(255, 0, 127, 0.05);
        }

        .highlight-text {
            color: var(--primary);
            font-weight: 600;
        }

        /* Token 比价与加盟代理 */
        .token-header-info {
            background: rgba(255, 255, 255, 0.03);
            border-radius: 8px;
            padding: 15px;
            margin-bottom: 20px;
            text-align: center;
            font-size: 14px;
            color: var(--accent);
            border: 1px dashed var(--accent);
        }

        .agent-banner {
            margin-top: 60px;
            background: radial-gradient(circle at 10% 20%, rgba(255, 0, 127, 0.2), rgba(157, 0, 255, 0.05));
            border: 1px solid var(--primary);
            border-radius: 16px;
            padding: 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
        }

        .agent-text h3 {
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 10px;
            text-shadow: 0 0 10px rgba(255, 0, 127, 0.3);
        }

        .agent-text p {
            color: var(--text-gray);
            font-size: 15px;
            max-width: 700px;
        }

        /* 培训课程 */
        .course-card {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            height: 100%;
        }

        .course-badge {
            background: rgba(157, 0, 255, 0.2);
            color: var(--accent);
            border: 1px solid var(--secondary);
            font-size: 11px;
            padding: 4px 8px;
            border-radius: 4px;
            align-self: flex-start;
            margin-bottom: 15px;
        }

        .course-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 12px;
        }

        .course-features {
            list-style: none;
            margin-bottom: 20px;
        }

        .course-features li {
            font-size: 13px;
            color: var(--text-gray);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .course-features li svg {
            color: var(--accent);
            width: 14px;
            height: 14px;
        }

        /* 智能需求匹配与联系我们 */
        .contact-section {
            background: linear-gradient(180deg, var(--bg-dark), #0d0621);
            position: relative;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
        }

        .contact-info-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-purple);
            border-radius: 16px;
            padding: 40px;
        }

        .info-group {
            margin-bottom: 30px;
        }

        .info-group h4 {
            color: var(--accent);
            font-size: 16px;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .info-group p {
            color: var(--text-gray);
            font-size: 14px;
        }

        .qr-codes-box {
            display: flex;
            gap: 25px;
            margin-top: 30px;
        }

        .qr-item {
            text-align: center;
            width: 120px;
        }

        .qr-item img {
            width: 100%;
            height: auto;
            border-radius: 8px;
            border: 2px solid var(--border-neon);
            background: #fff;
            padding: 4px;
        }

        .qr-item span {
            display: block;
            margin-top: 8px;
            font-size: 12px;
            color: var(--text-gray);
        }

        .contact-form-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-neon);
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 0 30px rgba(255, 0, 127, 0.1);
        }

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

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .form-group-full {
            grid-column: span 2;
        }

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

        .form-input, .form-select, .form-textarea {
            background: rgba(7, 3, 20, 0.6);
            border: 1px solid var(--border-purple);
            border-radius: 8px;
            padding: 12px 15px;
            color: var(--text-light);
            font-size: 14px;
            transition: all 0.3s ease;
        }

        .form-input:focus, .form-select:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
        }

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

        /* 帮助中心与自助排查 */
        .help-tools-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
            margin-bottom: 50px;
        }

        .help-tool-card {
            background: var(--bg-card);
            border: 1px solid var(--border-purple);
            padding: 25px;
            border-radius: 12px;
        }

        .help-tool-card h4 {
            color: var(--accent);
            margin-bottom: 12px;
            font-size: 16px;
        }

        .help-tool-card ul {
            list-style: none;
        }

        .help-tool-card li {
            font-size: 13px;
            color: var(--text-gray);
            margin-bottom: 8px;
        }

        /* FAQ 折叠面板 */
        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-purple);
            border-radius: 8px;
            margin-bottom: 15px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-question {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-light);
            transition: background 0.3s;
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s cubic-bezier(0, 1, 0, 1);
            color: var(--text-gray);
            font-size: 14px;
            line-height: 1.8;
            border-top: 0px solid transparent;
        }

        .faq-item.active {
            border-color: var(--primary);
        }

        .faq-item.active .faq-answer {
            padding: 20px 24px;
            max-height: 1000px;
            border-top: 1px solid var(--border-purple);
        }

        .faq-icon {
            transition: transform 0.3s;
            color: var(--primary);
        }

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

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

        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-purple);
            padding: 25px;
            border-radius: 12px;
            position: relative;
        }

        .review-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }

        .reviewer-info h4 {
            font-size: 15px;
            color: var(--text-light);
        }

        .reviewer-info span {
            font-size: 12px;
            color: var(--accent);
        }

        .review-stars {
            color: #ffb700;
            font-size: 14px;
        }

        .review-content {
            font-size: 14px;
            color: var(--text-gray);
            line-height: 1.7;
        }

        /* 行业资讯 / 知识库 */
        .articles-wrapper {
            margin-top: 30px;
            background: var(--bg-card);
            border: 1px solid var(--border-purple);
            border-radius: 16px;
            padding: 30px;
        }

        .articles-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            border-bottom: 1px solid var(--border-purple);
            padding-bottom: 15px;
        }

        .articles-header h3 {
            font-size: 18px;
            color: var(--accent);
        }

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

        .article-link-item {
            background: rgba(255, 255, 255, 0.02);
            padding: 15px;
            border-radius: 8px;
            border-left: 3px solid var(--primary);
            transition: all 0.3s ease;
        }

        .article-link-item:hover {
            background: rgba(255, 255, 255, 0.05);
            transform: translateX(5px);
        }

        .article-link-item a {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-light);
            margin-bottom: 5px;
        }

        .article-link-item a:hover {
            color: var(--accent);
        }

        .article-meta {
            font-size: 11px;
            color: var(--text-gray);
        }

        /* 页脚区域 */
        footer {
            background: #04010a;
            border-top: 1px solid var(--border-neon);
            padding: 60px 0 30px;
        }

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

        .footer-brand p {
            font-size: 13px;
            color: var(--text-gray);
            margin-top: 15px;
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 15px;
            color: var(--text-light);
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 30px;
            height: 2px;
            background: var(--primary);
        }

        .footer-links {
            list-style: none;
        }

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

        .footer-links a {
            font-size: 13px;
            color: var(--text-gray);
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }

        .footer-contact-info {
            font-size: 13px;
            color: var(--text-gray);
            line-height: 1.8;
        }

        .friend-links-area {
            border-top: 1px solid var(--border-purple);
            padding-top: 20px;
            margin-bottom: 20px;
        }

        .friend-links-title {
            font-size: 13px;
            color: var(--text-gray);
            margin-bottom: 10px;
            font-weight: 600;
        }

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

        .friend-links-box a {
            font-size: 12px;
            color: var(--text-gray);
            background: rgba(255, 255, 255, 0.03);
            padding: 4px 10px;
            border-radius: 4px;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        .friend-links-box a:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-purple);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: var(--text-gray);
        }

        /* 浮动客服 */
        .floating-service {
            position: fixed;
            right: 20px;
            bottom: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 1px solid var(--border-neon);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 5px 15px rgba(255, 0, 127, 0.3);
            transition: all 0.3s;
            position: relative;
        }

        .float-btn svg {
            width: 22px;
            height: 22px;
            color: var(--primary);
        }

        .float-btn:hover {
            transform: scale(1.1);
            background: var(--primary);
        }

        .float-btn:hover svg {
            color: var(--text-light);
        }

        .float-btn-wechat .wechat-popup {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: var(--bg-card);
            border: 1px solid var(--border-neon);
            border-radius: 12px;
            padding: 15px;
            text-align: center;
            width: 150px;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
        }

        .float-btn-wechat:hover .wechat-popup {
            opacity: 1;
            visibility: visible;
        }

        .float-btn-wechat .wechat-popup img {
            width: 120px;
            height: 120px;
            border-radius: 4px;
        }

        .float-btn-wechat .wechat-popup span {
            display: block;
            margin-top: 8px;
            font-size: 11px;
            color: var(--text-light);
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .grid-3, .case-grid, .reviews-grid, .help-tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4, .models-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-wrapper, .contact-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 80px;
                left: 0;
                right: 0;
                background: var(--bg-card);
                border-bottom: 1px solid var(--border-neon);
                flex-direction: column;
                padding: 20px;
                gap: 15px;
                text-align: center;
            }

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

            .menu-toggle {
                display: flex;
            }

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

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

            .steps-container {
                flex-direction: column;
                gap: 30px;
            }

            .steps-container::before {
                display: none;
            }

            .step-item {
                width: 100%;
            }

            .grid-3, .grid-4, .case-grid, .reviews-grid, .help-tools-grid, .models-grid {
                grid-template-columns: 1fr;
            }

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

            .form-group-full {
                grid-column: span 1;
            }

            .agent-banner {
                flex-direction: column;
                text-align: center;
            }

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

            .review-score-box {
                flex-direction: column;
                gap: 20px;
            }

            .article-links-grid {
                grid-template-columns: 1fr;
            }
        }