 /* 颜色变量 */
        :root {
            --red-primary: #d32f2f;
            --red-extra-light: rgba(211, 47, 47, 0.1);
            --gray-light: #f9f9f9;
            --gray-border: #f0f0f0;
            --text-dark: #333;
            --text-medium: #555;
            --text-light: #666;
        }
        
        /* 容器样式 */
        .pro-container {
            max-width: 1000px;
            margin: 10px auto;
            background: #fff;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            border-radius: 8px;
            overflow: hidden;
        }
        
        .pro-content {
            padding: 24px;
        }
        
        @media (min-width: 768px) {
            .pro-content {
                padding: 32px;
            }
        }
        
        /* 产品标题 */
        .pro-title-wrap {
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 1px solid rgba(211, 47, 47, 0.2);
        }
        
        .pro-title {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: bold;
            color: var(--text-dark);
            position: relative;
            display: inline-block;
        }
        
        .pro-title:after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -8px;
            width: 33%;
            height: 3px;
            background: var(--red-primary);
            border-radius: 2px;
        }
        
        /* 产品信息列表 */
        .pro-info-list {
            background: var(--gray-light);
            padding: 16px;
            border-radius: 6px;
            margin-bottom: 32px;
        }
        
        .pro-info-item {
            padding: 12px 0;
            border-bottom: 1px solid var(--gray-border);
            display: flex;
            flex-wrap: wrap;
        }
        
        .pro-info-item:last-child {
            border-bottom: none;
        }
        
        .pro-label {
            font-weight: 500;
            color: var(--text-medium);
            width: 33%;
        }
        
        .pro-value {
            color: var(--text-dark);
            width: 67%;
        }
        
        @media (min-width: 640px) {
            .pro-label { width: 25%; }
            .pro-value { width: 75%; }
        }
        
        .pro-price {
            color: var(--red-primary);
            font-weight: bold;
            font-size: 20px;
        }
        
        /* 内容区块 */
        .pro-section {
            margin-bottom: 32px;
            background: #f9f9f9;
            padding: 20px;
            border-radius: 6px;
        }
        
        .pro-section-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--red-primary);
            margin-bottom: 12px;
        }
        
        .pro-section-content {
            color: var(--text-medium);
            line-height: 1.6;
            padding-left: 24px;
            border-left: 2px solid rgba(211, 47, 47, 0.3);
        }
        
        .pro-list {
            list-style-type: disc;
            padding-left: 40px;
            color: var(--text-medium);
            line-height: 1.6;
        }
        
        .pro-list li {
            margin-bottom: 8px;
            padding-left: 8px;
        }
        
        /* 页尾 */
        .pro-footer {
            padding-top: 24px;
            border-top: 2px dashed rgba(211, 47, 47, 0.3);
            text-align: center;
            color: var(--text-light);
        }