/* ----- 全局重置 & 基础样式 ----- */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: #ffffff;
            color: #1f2937;
            line-height: 1.5;
            scroll-behavior: smooth;
        }

        /* 平滑滚动偏移 (避免固定导航遮挡锚点) */
        html {
            scroll-padding-top: 80px;
        }

        /* 布局容器 */
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========= 优化后导航样式 (毛玻璃+动效) ========= */
        .navbar {
            background: rgba(15, 23, 42, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            transition: all 0.25s ease;
            border-bottom: 1px solid rgba(56, 189, 248, 0.2);
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
        }
        .navbar:hover {
            background: rgba(15, 23, 42, 0.96);
            border-bottom-color: rgba(56, 189, 248, 0.5);
        }
        .nav-flex {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }
        .logo {
            font-size: 28px;
            font-weight: 800;
            background: linear-gradient(135deg, #facc15 0%, #38bdf8 80%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -0.3px;
            transition: transform 0.2s;
        }
        .logo:hover {
            transform: scale(1.02);
        }
        .logo span {
            background: linear-gradient(135deg, #38bdf8, #facc15);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-weight: 800;
        }
        .nav-links {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-links a {
            color: #e2e8f0;
            text-decoration: none;
            font-weight: 500;
            font-size: 1rem;
            transition: all 0.2s ease;
            position: relative;
            padding: 6px 0;
        }
        /* 优雅下划线动画 */
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0%;
            height: 2px;
            background: linear-gradient(90deg, #38bdf8, #facc15);
            transition: width 0.25s ease;
            border-radius: 4px;
        }
        .nav-links a:hover {
            color: white;
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .btn-outline-light {
            border: 1px solid #38bdf8;
            padding: 6px 20px;
            border-radius: 40px;
            background: rgba(56, 189, 248, 0.1);
            color: #38bdf8;
            font-weight: 600;
            transition: all 0.2s;
        }
        .btn-outline-light:hover {
            background: #38bdf8;
            color: #0f172a;
            border-color: #38bdf8;
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(56, 189, 248, 0.2);
        }
        .btn-outline-light::after {
            display: none;
        }

        /* 按钮公用 */
        .btn-primary {
            background: #1e3a5f;
            color: white;
            padding: 12px 28px;
            border-radius: 40px;
            font-weight: 600;
            text-decoration: none;
            display: inline-block;
            transition: 0.2s;
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: #0f2b45;
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(0,0,0,0.1);
        }
        .btn-secondary {
            background: #facc15;
            color: #0f172a;
            padding: 12px 28px;
            border-radius: 40px;
            font-weight: 600;
            text-decoration: none;
            display: inline-block;
            transition: 0.2s;
        }
        .btn-secondary:hover {
            background: #e5b800;
            transform: translateY(-1px);
            box-shadow: 0 6px 14px rgba(250, 204, 21, 0.3);
        }

        /* Hero区域 */
        .hero {
            padding: 80px 0 60px;
            background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 100%);
        }
        .hero-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            align-items: center;
        }
        .hero-text {
            flex: 1;
        }
        .hero-text h1 {
            font-size: 42px;
            font-weight: 800;
            background: linear-gradient(135deg, #0f172a, #2d6a4f);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .hero-text p {
            font-size: 18px;
            color: #334155;
            margin-bottom: 32px;
        }
        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-badge {
            background: #d9f99d;
            padding: 6px 14px;
            border-radius: 60px;
            font-size: 14px;
            font-weight: 500;
            display: inline-block;
            margin-bottom: 20px;
        }
        .hero-stats {
            flex: 0.8;
            background: white;
            border-radius: 32px;
            padding: 32px;
            box-shadow: 0 20px 35px -12px rgba(0,0,0,0.1);
        }
        .hero-stats hr {
            margin: 20px 0;
            border: none;
            border-top: 1px solid #eef2f6;
        }
        .cert-badge {
            margin-top: 28px;
            font-size: 14px;
            color: #2c6e2f;
        }
        /* 通用区块 */
        .section {
            padding: 70px 0;
            border-bottom: 1px solid #eef2f6;
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            text-align: center;
            margin-bottom: 48px;
            color: #0f172a;
        }
        .section-title span {
            border-bottom: 4px solid #facc15;
            padding-bottom: 8px;
        }
        .cards-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            justify-content: center;
        }
        .card {
            background: #ffffff;
            border-radius: 28px;
            padding: 28px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.03);
            border: 1px solid #eef2ff;
            flex: 1;
            min-width: 240px;
            transition: all 0.2s;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -12px rgba(0,0,0,0.08);
            border-color: #cbd5e1;
        }
        .card h3 {
            font-size: 24px;
            margin-bottom: 16px;
            font-weight: 600;
        }
        .api-demo {
            background: #f1f5f9;
            border-radius: 24px;
            padding: 24px;
            font-family: monospace;
            transition: 0.2s;
        }
        .api-demo:hover {
            background: #e6edf5;
        }
        .api-demo h3 {
            margin-bottom: 12px;
        }
        .code-block {
            background: #0f172a;
            color: #e2e8f0;
            padding: 16px;
            border-radius: 20px;
            overflow-x: auto;
            font-family: monospace;
            white-space: pre-wrap;
        }
        .api-link {
            margin-top: 16px;
        }
        .api-link a {
            color: #2c7da0;
            text-decoration: none;
        }
        .plugin-list {
            margin-left: 20px;
            margin-bottom: 12px;
        }
        .download-btn {
            display: inline-block;
            padding: 8px 20px;
            font-size: 14px;
            background: #1e3a5f;
            color: white;
            border-radius: 40px;
            text-decoration: none;
            transition: 0.2s;
        }
        .download-btn:hover {
            background: #0f2b45;
        }
        .center-action {
            text-align: center;
            margin-top: 32px;
        }
        /* 对比表 */
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            background: white;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0,0,0,0.03);
        }
        .compare-table th, .compare-table td {
            border: 1px solid #e2e8f0;
            padding: 14px 20px;
            text-align: left;
        }
        .compare-table th {
            background: #f1f5f9;
            font-weight: 600;
        }
        .compare-note {
            margin-top: 18px;
            font-size: 14px;
            color: #4b5563;
        }
        /* 底部样式 */
        .footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 48px 0 24px;
        }
        .footer a {
            color: #94a3b8;
            text-decoration: none;
        }
        .footer a:hover {
            color: white;
        }
        .footer-flex {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-bottom {
            border-top: 1px solid #2d3a48;
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
        }
        .footer-logo {
            font-size: 22px;
            color: #38bdf8;
            margin-bottom: 12px;
        }
        .footer-logo span {
            color: #facc15;
        }
        /* 响应式 */
        @media (max-width: 780px) {
            .hero-text h1 { font-size: 32px; }
            .container { padding: 0 20px; }
            .nav-flex { flex-direction: column; align-items: flex-start; }
            .nav-links { gap: 20px; margin-top: 8px; }
            .navbar { padding: 12px 0; }
        }
        .success-rate {
            font-size: 36px;
            font-weight: 800;
            color: #15803d;
        }
        .stats-text {
            font-size: 14px;
        }
        .inline-stats {
            margin-top: 18px;
        }
        .tech-community {
            margin-top: 18px;
        }

        /* 联系区块样式 */
        .contact-wrapper {
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
        }
        .contact-actions {
            display: flex;
            gap: 20px;
            justify-content: center;
            margin-top: 28px;
        }
        .contact-card {
            background: #f1f8e9;
            border-radius: 48px;
            padding: 16px;
            margin-top: 32px;
        }
        /* 客服聊天窗口样式 (右下角聊天窗) */
        .chat-button {
            position: fixed;
            bottom: 28px;
            right: 28px;
            width: 60px;
            height: 60px;
            background: linear-gradient(145deg, #1e3a5f, #0f2b45);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
            transition: all 0.3s ease;
            z-index: 1000;
            border: 1px solid rgba(56, 189, 248, 0.3);
        }
        .chat-button:hover {
            transform: scale(1.08);
            background: linear-gradient(145deg, #2c5282, #1a3650);
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.25);
        }
        .chat-button svg {
            width: 32px;
            height: 32px;
            fill: white;
        }
        .chat-window {
            position: fixed;
            bottom: 100px;
            right: 28px;
            width: 360px;
            height: 500px;
            background: #ffffff;
            border-radius: 28px;
            box-shadow: 0 25px 45px -12px rgba(0, 0, 0, 0.35);
            display: flex;
            flex-direction: column;
            overflow: hidden;
            z-index: 1001;
            transition: all 0.2s ease;
            border: 1px solid rgba(30, 58, 95, 0.15);
            font-family: inherit;
        }
        .chat-window.hidden {
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            pointer-events: none;
        }
        .chat-header {
            background: linear-gradient(105deg, #0f172a, #1e293b);
            padding: 16px 20px;
            color: white;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
        }
        .chat-header-left {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .chat-header-left .avatar {
            background: #facc15;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
        }
        .chat-header-left h4 {
            font-size: 18px;
            font-weight: 600;
            letter-spacing: -0.2px;
        }
        .chat-header-left p {
            font-size: 11px;
            opacity: 0.75;
            margin-top: 2px;
        }
        .close-chat {
            background: rgba(255,255,255,0.15);
            border: none;
            color: white;
            font-size: 22px;
            cursor: pointer;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: 0.2s;
        }
        .close-chat:hover {
            background: rgba(255,255,255,0.3);
            transform: rotate(90deg);
        }
        .chat-messages {
            flex: 1;
            overflow-y: auto;
            padding: 16px 14px;
            background: #f9fafc;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .message {
            display: flex;
            max-width: 85%;
        }
        .message-bubble {
            padding: 10px 14px;
            border-radius: 22px;
            font-size: 14px;
            line-height: 1.45;
            word-break: break-word;
            box-shadow: 0 1px 1px rgba(0,0,0,0.03);
        }
        .message.left {
            align-self: flex-start;
        }
        .message.left .message-bubble {
            background: #ffffff;
            border: 1px solid #e2e8f0;
            border-bottom-left-radius: 6px;
            color: #1e293b;
        }
        .message.right {
            align-self: flex-end;
            flex-direction: row-reverse;
        }
        .message.right .message-bubble {
            background: #1e3a5f;
            color: white;
            border-bottom-right-radius: 6px;
        }
        .msg-time {
            font-size: 10px;
            color: #94a3b8;
            margin-top: 4px;
            text-align: right;
        }
        .chat-input-area {
            background: white;
            border-top: 1px solid #edf2f7;
            padding: 12px 16px;
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .chat-input-area input {
            flex: 1;
            border: 1px solid #cbd5e1;
            border-radius: 40px;
            padding: 10px 16px;
            font-size: 14px;
            outline: none;
            transition: 0.2s;
            font-family: inherit;
        }
        .chat-input-area input:focus {
            border-color: #1e3a5f;
            box-shadow: 0 0 0 2px rgba(30,58,95,0.2);
        }
        .send-btn {
            background: #facc15;
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 40px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: 0.2s;
            color: #0f172a;
            font-weight: bold;
        }
        .send-btn:hover {
            background: #e5b800;
            transform: scale(0.96);
        }
        .quick-reply {
            padding: 8px 12px 12px;
            background: #ffffff;
            border-top: 1px solid #f0f2f5;
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .quick-chip {
            background: #eef2ff;
            border-radius: 30px;
            padding: 5px 14px;
            font-size: 12px;
            cursor: pointer;
            transition: 0.2s;
            color: #1e3a5f;
            font-weight: 500;
        }
        .quick-chip:hover {
            background: #d9e2ef;
            transform: translateY(-1px);
        }
        .chat-messages::-webkit-scrollbar {
            width: 5px;
        }
        .chat-messages::-webkit-scrollbar-track {
            background: #eef2ff;
            border-radius: 10px;
        }
        .chat-messages::-webkit-scrollbar-thumb {
            background: #cbd5e1;
            border-radius: 10px;
        }
        @media (max-width: 560px) {
            .chat-window {
                width: 310px;
                height: 480px;
                right: 16px;
                bottom: 85px;
            }
            .chat-button {
                bottom: 20px;
                right: 20px;
                width: 52px;
                height: 52px;
            }
        }
        /* 额外辅助类 */
        .mt-2 { margin-top: 8px; }
        .mb-2 { margin-bottom: 8px; }