* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }
        body {
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            background: linear-gradient(135deg, #f9f9f9 0%, #e8f4ff 100%);
            color: #333;
            padding-bottom: 80px;
        }
        .header {
            text-align: center;
            padding: 30px 16px;
            background: linear-gradient(120deg, #0080FF 0%, #0059b3 100%);
            color: white;
            box-shadow: 0 4px 12px rgba(0, 128, 255, 0.25);
            margin-bottom: 30px;
        }
        h1 {
            font-size: 2.2rem;
            margin-bottom: 10px;
            font-weight: 700;
        }
        .subtitle {
            font-size: 1rem;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }
        .content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin-bottom: 40px;
        }
        .card {
            background: white;
            border-radius: 16px;
            padding: 30px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 25px rgba(0, 128, 255, 0.15);
        }
        .card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #0080FF, #00a8ff);
        }
        .card h2 {
            color: #0080FF;
            margin-bottom: 20px;
            font-size: 1.6rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .card p {
            line-height: 1.7;
            color: #555;
            margin-bottom: 15px;
        }
        .card ul {
            padding-left: 20px;
            margin-top: 15px;
        }
        .card li {
            margin-bottom: 8px;
            line-height: 1.6;
        }
        .bottom-nav {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: white;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
            z-index: 100;
            padding: 12px 0;
            display: flex;
            justify-content: center;
            backdrop-filter: blur(10px);
            background-color: rgba(255, 255, 255, 0.9);
        }
        .nav-container {
            display: flex;
            max-width: 500px;
            width: 100%;
            position: relative;
        }
        .nav-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 8px 0;
            position: relative;
            z-index: 1;
            transition: all 0.3s ease;
            cursor: pointer;
            text-decoration: none;
        }
        .nav-icon {
            width: 26px;
            height: 26px;
            margin-bottom: 6px;
            transition: all 0.3s ease;
        }
        .nav-text {
            font-size: 13px;
            transition: all 0.3s ease;
            font-weight: 500;
        }
        
        /* 默认状态 */
        .nav-item:not(.active) .nav-icon {
            fill: #666;
        }
        .nav-item:not(.active) .nav-text {
            color: #666;
        }
        /* 激活状态 */
        .nav-item.active .nav-icon {
            fill: #0080FF;
        }
        .nav-item.active .nav-text {
            color: #0080FF;
        }
        /* 活动指示器 */
        .nav-indicator {
            position: absolute;
            height: 4px;
            background: #0080FF;
            bottom: 0;
            border-radius: 4px 4px 0 0;
            transition: all 0.4s cubic-bezier(0.65, 0, 0.35, 1);
            z-index: 0;
        }
        /* 响应式设计 */
        @media (min-width: 768px) {
            .bottom-nav {
                border-radius: 24px 24px 0 0;
                left: 50%;
                transform: translateX(-50%);
                max-width: 500px;
                margin: 0 auto;
                padding: 15px 0;
            }
            .nav-container {
                padding: 0 20px;
            }
            .nav-icon {
                width: 28px;
                height: 28px;
            }
            .nav-text {
                font-size: 14px;
            }
            h1 {
                font-size: 2.5rem;
            }
            .subtitle {
                font-size: 1.1rem;
            }
        }
        @media (max-width: 480px) {
            .header {
                padding: 25px 16px;
            }
            h1 {
                font-size: 1.8rem;
            }
            .card {
                padding: 25px 20px;
            }
            .nav-text {
                font-size: 12px;
            }
        }
        .section {
            display: none;
        }
        
        .section.active {
            display: block;
            animation: fadeIn 0.5s ease;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(15px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .config-panel {
            background: white;
            border-radius: 16px;
            padding: 25px;
            margin-top: 30px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
        }
        .config-panel h2 {
            color: #0080FF;
            margin-bottom: 20px;
            font-size: 1.4rem;
        }
        .json-view {
            background: #f8f9fa;
            border-radius: 10px;
            padding: 20px;
            font-family: 'Courier New', monospace;
            font-size: 14px;
            line-height: 1.6;
            margin-top: 15px;
            border: 1px solid #eaeaea;
            max-height: 200px;
            overflow: auto;
        }
        .highlight {
            background-color: #fffacd;
            padding: 2px 4px;
            border-radius: 4px;
            font-weight: bold;
        }
        .link-info {
            background-color: #e6f7ff;
            border-left: 4px solid #0080FF;
            padding: 15px;
            margin-top: 20px;
            border-radius: 4px;
        }
        .link-info p {
            margin-bottom: 10px;
            color: #005999;
        }