/* 第一步样式 */
        .step1-container {
            display: flex;
            justify-content: center;
            align-items: center;
            flex-direction: column;
            text-align: center;
        }
        
        .step1-keyword {
            display: inline-block;
            padding: 12px 20px;
            margin: 10px 0;
            background: #f5f5f5;
            border: 1px solid #ddd;
            border-radius: 8px;
            cursor: pointer;
            font-size: 16px;
            font-weight: bold;
            color: #ff0000;
            transition: all 0.3s;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            width: 80%;
            max-width: 300px;
        }
        
        .step1-keyword:hover {
            background: #e6f7ff;
            border-color: #91d5ff;
            transform: translateY(-2px);
        }
        
        /* 第二步样式 */
        .step2-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin: 15px 0;
        }
        
        .step2-keyword {
            display: inline-block;
            padding: 10px 15px;
            background: #f5f5f5;
            border: 1px solid #ddd;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            color: #ff0000;
            transition: all 0.3s;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            flex: 1 1 calc(50% - 20px);
            min-width: 120px;
            max-width: 200px;
            text-align: center;
        }
        
        .step2-keyword:hover {
            background: #e6f7ff;
            border-color: #91d5ff;
            transform: translateY(-2px);
        }
        
        /* 警告提示样式 */
        .warning-highlight {
            color: #e02e2d !important;
            font-weight: bold;
            background-color: #fff9f9;
            border: 2px solid #e02e2d;
            border-radius: 8px;
            padding: 12px 15px;
            margin: 15px 0;
            text-align: center;
            font-size: 16px;
            box-shadow: 0 3px 10px rgba(224, 46, 45, 0.2);
            position: relative;
            animation: pulse 2s infinite;
        }
        
        .warning-highlight:before {
            content: "⚠️";
            margin-right: 8px;
            font-size: 18px;
        }
        
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(224, 46, 45, 0.4); }
            70% { box-shadow: 0 0 0 10px rgba(224, 46, 45, 0); }
            100% { box-shadow: 0 0 0 0 rgba(224, 46, 45, 0); }
        }
        
        .important-notice {
            background: linear-gradient(135deg, #fff9f9 0%, #ffeaea 100%);
            border: 2px dashed #e02e2d;
            border-radius: 10px;
            padding: 15px;
            margin: 20px 0;
            position: relative;
        }
        
        .important-notice:before {
            content: "❗重要提示";
            display: block;
            background: #e02e2d;
            color: white;
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: bold;
            position: absolute;
            top: -12px;
            left: 20px;
        }
        
        /* 平台选择弹窗样式 */
        .platform-modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            z-index: 1000;
            align-items: center;
            justify-content: center;
        }
        
        .platform-modal-content {
            background-color: #fff;
            border-radius: 12px;
            padding: 20px;
            width: 90%;
            max-width: 400px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
            animation: modalAppear 0.3s ease-out;
        }
        
        @keyframes modalAppear {
            from { transform: scale(0.8); opacity: 0; }
            to { transform: scale(1); opacity: 1; }
        }
        
        .platform-modal-header {
            text-align: center;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 1px solid #eee;
        }
        
        .platform-modal-title {
            font-size: 18px;
            font-weight: bold;
            color: #333;
        }
        
        .platform-options {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 20px;
        }
        
        .platform-btn {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 15px 10px;
            border-radius: 8px;
            background-color: #f8f9fa;
            border: 1px solid #e9ecef;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .platform-btn:hover {
            background-color: #e9ecef;
            transform: translateY(-3px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        
        .platform-icon {
            width: 40px;
            height: 40px;
            margin-bottom: 10px;
        }
        
        .platform-name {
            font-size: 14px;
            font-weight: 500;
            color: #333;
        }
        
        .platform-modal-footer {
            display: flex;
            justify-content: center;
        }
        
        .cancel-btn {
            padding: 8px 20px;
            background-color: #f8f9fa;
            border: 1px solid #e9ecef;
            border-radius: 20px;
            color: #6c757d;
            font-size: 14px;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .cancel-btn:hover {
            background-color: #e9ecef;
        }