/* 样式基础定义：暗夜赛博高饱和粉紫风 */
        :root {
            --bg-dark: #07070f;
            --bg-card: rgba(18, 14, 38, 0.75);
            --primary: #ff007f; /* 高饱和粉 */
            --secondary: #8a2be2; /* 霓虹紫 */
            --cyan: #00f2fe; /* 科技青 */
            --text-light: #ffffff;
            --text-muted: #a0a0c0;
            --text-dark: #121214;
            --glow-pink: 0 0 15px rgba(255, 0, 127, 0.4);
            --glow-purple: 0 0 15px rgba(138, 43, 226, 0.4);
            --border-neon: 1px solid rgba(255, 0, 127, 0.25);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

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

        body {
            background-color: var(--bg-dark);
            color: var(--text-light);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.6;
            overflow-x: hidden;
            background-image: 
                radial-gradient(circle at 10% 20%, rgba(255, 0, 127, 0.08) 0%, transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(138, 43, 226, 0.08) 0%, transparent 40%);
            background-attachment: fixed;
        }

        /* 统一居中容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        /* 顶部导航 */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(7, 7, 15, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: var(--transition);
        }

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

        .logo-wrap {
            display: flex;
            align-items: center;
        }
        
        .ai-page-logo {
            height: 35px;
            filter: drop-shadow(0 0 5px rgba(255, 0, 127, 0.5));
        }

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

        .nav-link {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            padding: 5px 0;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--primary);
            text-shadow: var(--glow-pink);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            transition: var(--transition);
        }

        .nav-link:hover::after {
            width: 100%;
        }

        .nav-btn {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--text-light);
            border: none;
            padding: 8px 18px;
            border-radius: 20px;
            font-weight: bold;
            font-size: 13px;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            box-shadow: var(--glow-pink);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 20px rgba(255, 0, 127, 0.6);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 24px;
            cursor: pointer;
        }

        /* 移动端菜单激活样式 */
        @media (max-width: 992px) {
            .nav-menu {
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: rgba(7, 7, 15, 0.95);
                flex-direction: column;
                align-items: center;
                padding: 20px 0;
                gap: 15px;
                border-bottom: var(--border-neon);
                display: none;
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .header-inner .nav-btn {
                display: none;
            }
        }

        /* 公共 Section 设定 */
        section {
            padding: 90px 0;
            position: relative;
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-tag {
            font-size: 13px;
            text-transform: uppercase;
            color: var(--cyan);
            letter-spacing: 2px;
            display: inline-block;
            margin-bottom: 10px;
            font-weight: bold;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-light);
            background: linear-gradient(90deg, #fff, #b8b8ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* Hero 区域：首屏，严禁图片，突出科技感与“访问官网” */
        .hero-section {
            padding: 150px 0 100px;
            display: flex;
            align-items: center;
            min-height: 90vh;
            background: radial-gradient(circle at center, rgba(138, 43, 226, 0.15) 0%, transparent 60%);
        }

        .hero-content {
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-badge {
            background: rgba(255, 0, 127, 0.1);
            border: 1px solid rgba(255, 0, 127, 0.3);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 25px;
            box-shadow: 0 0 10px rgba(255, 0, 127, 0.1);
        }

        /* 改写 H1，控制在 20 字以内 */
        .hero-title {
            font-size: 46px;
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #ffffff 30%, #ff007f 70%, #8a2be2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            filter: drop-shadow(0 2px 10px rgba(0, 0, 0, 0.5));
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            margin-bottom: 35px;
            line-height: 1.8;
        }

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

        .btn-main {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--text-light);
            border: none;
            padding: 15px 35px;
            border-radius: 30px;
            font-weight: bold;
            font-size: 16px;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: var(--glow-pink);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .btn-main:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 25px rgba(255, 0, 127, 0.7);
        }

        .btn-sub {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-light);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 15px 35px;
            border-radius: 30px;
            font-weight: bold;
            font-size: 16px;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .btn-sub:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--cyan);
            box-shadow: 0 0 15px rgba(0, 242, 254, 0.3);
        }

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

        .stat-card {
            background: var(--bg-card);
            border: var(--border-neon);
            border-radius: 16px;
            padding: 25px 20px;
            text-align: center;
            transition: var(--transition);
            backdrop-filter: blur(10px);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--cyan);
            box-shadow: 0 0 20px rgba(0, 242, 254, 0.2);
        }

        .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--cyan);
            margin-bottom: 5px;
            background: linear-gradient(90deg, var(--cyan), #fff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-title {
                font-size: 32px;
            }
        }

        /* 关于我们与平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 24px;
            color: var(--text-light);
            margin-bottom: 15px;
            border-left: 4px solid var(--primary);
            padding-left: 10px;
        }

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

        .about-feature-list {
            list-style: none;
        }

        .about-feature-item {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
            color: var(--text-light);
            font-size: 14px;
        }

        .about-feature-item i {
            color: var(--cyan);
        }

        .about-media-wrapper {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .about-media-wrapper img {
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition);
        }

        .about-media-wrapper img:hover {
            transform: scale(1.02);
            border-color: var(--primary);
        }

        @media (max-width: 992px) {
            .about-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 全平台AIGC服务 & 一站式制作 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .service-card {
            background: var(--bg-card);
            border: var(--border-neon);
            padding: 35px 25px;
            border-radius: 16px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            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(-5px);
            box-shadow: var(--glow-purple);
        }

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

        .service-icon {
            font-size: 32px;
            color: var(--primary);
            margin-bottom: 20px;
            display: inline-block;
        }

        .service-title {
            font-size: 20px;
            margin-bottom: 12px;
            color: var(--text-light);
        }

        .service-desc {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        .model-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .model-badge {
            background: rgba(138, 43, 226, 0.15);
            border: 1px solid rgba(138, 43, 226, 0.3);
            color: #d1b3ff;
            font-size: 11px;
            padding: 3px 8px;
            border-radius: 4px;
        }

        @media (max-width: 992px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .service-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 解决方案与流程 */
        .solutions-wrapper {
            background: rgba(10, 8, 24, 0.6);
            border-radius: 20px;
            padding: 40px;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        .solution-tabs {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 35px;
            flex-wrap: wrap;
        }

        .solution-tab {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-muted);
            padding: 10px 24px;
            border-radius: 30px;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 500;
        }

        .solution-tab.active, .solution-tab:hover {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--text-light);
            border-color: transparent;
            box-shadow: var(--glow-pink);
        }

        .solution-content {
            display: none;
        }

        .solution-content.active {
            display: block;
        }

        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .flow-step {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 20px;
            border-radius: 12px;
            text-align: center;
            position: relative;
        }

        .flow-step-num {
            width: 32px;
            height: 32px;
            background: var(--cyan);
            color: var(--text-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px;
            font-weight: bold;
        }

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

        /* 全国网络与加盟代理 */
        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .map-mockup {
            background: rgba(18, 14, 38, 0.5);
            border: var(--border-neon);
            border-radius: 16px;
            padding: 30px;
            position: relative;
            min-height: 300px;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .map-point {
            position: absolute;
            width: 10px;
            height: 10px;
            background: var(--cyan);
            border-radius: 50%;
            box-shadow: 0 0 10px var(--cyan);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); opacity: 1; }
            50% { transform: scale(2.5); opacity: 0.4; }
            100% { transform: scale(1); opacity: 1; }
        }

        .agent-card {
            background: linear-gradient(145deg, rgba(255, 0, 127, 0.1) 0%, rgba(138, 43, 226, 0.1) 100%);
            border: var(--border-neon);
            padding: 40px;
            border-radius: 20px;
            box-shadow: var(--glow-pink);
        }

        .agent-benefits {
            margin: 20px 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .benefit-item {
            font-size: 14px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .benefit-item i {
            color: var(--primary);
        }

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

        /* 客户案例中心 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .case-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
        }

        .case-img-box {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
        }

        .case-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .case-info {
            padding: 20px;
        }

        .case-tag {
            font-size: 11px;
            background: rgba(0, 242, 254, 0.15);
            color: var(--cyan);
            padding: 3px 10px;
            border-radius: 30px;
            display: inline-block;
            margin-bottom: 10px;
        }

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

        .case-desc {
            font-size: 13px;
            color: var(--text-muted);
        }

        @media (max-width: 992px) {
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .cases-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 对比评测 & Token比价 */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .score-box {
            background: linear-gradient(135deg, rgba(138, 43, 226, 0.2), rgba(255, 0, 127, 0.2));
            border: var(--border-neon);
            border-radius: 20px;
            padding: 40px;
            text-align: center;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }

        .score-num {
            font-size: 72px;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 10px;
            text-shadow: var(--glow-pink);
        }

        .stars {
            color: #ffd700;
            font-size: 24px;
            margin-bottom: 15px;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

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

        th, td {
            padding: 15px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        th {
            background: rgba(255, 255, 255, 0.02);
            color: var(--cyan);
            font-weight: bold;
        }

        tr:hover td {
            background: rgba(255, 255, 255, 0.02);
        }

        .text-green { color: #00ff88; font-weight: bold; }
        .text-red { color: #ff3366; }

        @media (max-width: 992px) {
            .comparison-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 职业技术与人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .training-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 16px;
            padding: 30px;
            transition: var(--transition);
        }

        .training-card:hover {
            border-color: var(--cyan);
            box-shadow: 0 0 20px rgba(0, 242, 254, 0.2);
            transform: translateY(-5px);
        }

        .training-icon {
            font-size: 28px;
            color: var(--cyan);
            margin-bottom: 20px;
        }

        .training-title {
            font-size: 18px;
            font-weight: bold;
            margin-bottom: 12px;
        }

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

        .training-badge {
            background: rgba(255, 255, 255, 0.05);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 11px;
            color: var(--text-light);
        }

        @media (max-width: 992px) {
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .training-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 客户评论卡片 (6条) */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .review-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 30px;
            border-radius: 16px;
            position: relative;
        }

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

        .review-user {
            display: flex;
            align-items: center;
            gap: 15px;
        }

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

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

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

        @media (max-width: 992px) {
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .reviews-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 智能需求匹配与联系我们（表单板块） */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
        }

        .form-card {
            background: var(--bg-card);
            border: var(--border-neon);
            padding: 40px;
            border-radius: 20px;
            box-shadow: var(--glow-pink);
        }

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

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-size: 14px;
            color: var(--text-light);
        }

        .form-control {
            width: 100%;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 12px 16px;
            border-radius: 8px;
            color: var(--text-light);
            font-size: 14px;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 10px rgba(255, 0, 127, 0.2);
            outline: none;
        }

        .contact-info-card {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 40px;
            border-radius: 20px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .info-item {
            margin-bottom: 25px;
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }

        .info-icon {
            font-size: 20px;
            color: var(--cyan);
        }

        .info-content h4 {
            font-size: 16px;
            font-weight: bold;
            margin-bottom: 5px;
        }

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

        .qr-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 20px;
        }

        .qr-box {
            text-align: center;
            background: rgba(255, 255, 255, 0.02);
            border-radius: 8px;
            padding: 15px;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

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

        .qr-box span {
            font-size: 12px;
            color: var(--text-muted);
            display: block;
        }

        @media (max-width: 992px) {
            .contact-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 帮助中心 & FAQ (10+项) & 自助排查 & 百科 */
        .help-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
        }

        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

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

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

        .faq-icon {
            font-size: 20px;
            color: var(--primary);
            transition: var(--transition);
        }

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

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
        }

        .faq-content {
            padding: 0 20px 20px;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            border-top: 1px solid rgba(255, 255, 255, 0.02);
        }

        .self-check-card, .wiki-card {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 30px;
            border-radius: 16px;
            margin-bottom: 25px;
        }

        .self-check-card h3, .wiki-card h3 {
            font-size: 18px;
            font-weight: bold;
            margin-bottom: 15px;
            color: var(--cyan);
        }

        .wiki-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .wiki-tag {
            background: rgba(255, 255, 255, 0.05);
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 13px;
            color: var(--text-muted);
            cursor: pointer;
            transition: var(--transition);
        }

        .wiki-tag:hover {
            color: var(--cyan);
            border-color: var(--cyan);
        }

        .trouble-list {
            list-style: none;
        }

        .trouble-item {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
        }

        .trouble-item i {
            color: var(--primary);
        }

        .trouble-item:hover {
            color: var(--text-light);
        }

        @media (max-width: 992px) {
            .help-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 行业资讯 & 最新文章 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .news-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 16px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: var(--transition);
        }

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

        .news-body {
            padding: 25px;
        }

        .news-date {
            font-size: 12px;
            color: var(--cyan);
            margin-bottom: 10px;
        }

        .news-title {
            font-size: 16px;
            font-weight: bold;
            line-height: 1.5;
            margin-bottom: 15px;
        }

        .news-title a {
            color: var(--text-light);
            text-decoration: none;
            transition: var(--transition);
        }

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

        .news-footer {
            padding: 15px 25px;
            border-top: 1px solid rgba(255, 255, 255, 0.03);
            background: rgba(0, 0, 0, 0.1);
        }

        .news-link {
            font-size: 13px;
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .news-link:hover {
            color: var(--cyan);
        }

        @media (max-width: 992px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 友情链接与页脚 */
        .footer {
            background: #040409;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 60px 0 30px;
        }

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

        .footer-brand h3 {
            font-size: 18px;
            margin-bottom: 15px;
            color: var(--text-light);
        }

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

        .footer-links h4 {
            font-size: 14px;
            margin-bottom: 15px;
            color: var(--text-light);
            position: relative;
        }

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

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

        .footer-links a {
            font-size: 13px;
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
        }

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

        .footer-friends {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 25px;
            margin-bottom: 25px;
        }

        .footer-friends-title {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

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

        .footer-friends-links a {
            color: var(--text-muted);
            font-size: 12px;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-friends-links a:hover {
            color: var(--cyan);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* 悬浮客服面板 */
        .float-panel {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            text-decoration: none;
            box-shadow: 0 4px 15px rgba(255, 0, 127, 0.4);
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }

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

        .float-btn-qr {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: var(--bg-dark);
            border: var(--border-neon);
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.8);
            display: none;
            text-align: center;
            width: 150px;
        }

        .float-btn-qr img {
            width: 100%;
            height: auto;
            border-radius: 4px;
            margin-bottom: 8px;
        }

        .float-btn-qr span {
            font-size: 12px;
            color: var(--text-muted);
            display: block;
        }

        .float-btn:hover .float-btn-qr {
            display: block;
        }