h2 {
            font-size: 1.5rem;
            color: #333;
            margin: 30px 0 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #eaeaea;
            font-weight: 500;
        }
        
        h3 {
            font-size: 1.3rem;
            color: #444;
            margin: 25px 0 15px;
            font-weight: 500;
        }
        
        p {
            margin-bottom: 16px;
            color: #444;
        }        
      
        strong {
            color: #2c3e50;
            font-weight: 600;
        }
        
        em {
            color: #555;
            font-style: italic;
        }
        
        a {
            color: #3498db;
            text-decoration: none;
            transition: color 0.2s;
        }
        
        a:hover {
            color: #2980b9;
            text-decoration: underline;
        }
        
        .divider {
            height: 1px;
            background: linear-gradient(to right, transparent, #ddd, transparent);
            margin: 30px 0;
        }
        
        .highlight {
            background-color: #f5f7f9;
            padding: 15px 20px;
            border-left: 4px solid #2c3e50;
            margin: 20px 0;
            border-radius: 0 4px 4px 0;
        }
        
        .warning {
            background-color: #fff8e6;
            padding: 15px;
            border-radius: 4px;
            margin: 15px 0;
            border-left: 4px solid #e6c35c;
        }
        
        .guide-section {
            margin-bottom: 30px;
        }
        
        .image-container {
            margin: 20px 0;
            text-align: center;
        }
        
        .guide-image {
            max-width: 100%;
            height: auto;
            border: 1px solid #eaeaea;
            border-radius: 4px;
        }
        
        .measurement-list {
            background-color: #f9f9f9;
            padding: 20px;
            border-radius: 4px;
            margin: 20px 0;
        }
        
        .measurement-item {
            display: flex;
            justify-content: space-between;
            padding: 8px 0;
            border-bottom: 1px solid #eee;
        }
        
        .measurement-item:last-child {
            border-bottom: none;
        }
        
        .contact {
            margin-top: 40px;
            padding: 20px;
            background-color: #f9f9f9;
            border-radius: 4px;
            text-align: center;
            border-top: 2px solid #2c3e50;
        }
        .head-measurement {
            display: flex;
            align-items: center; 
            gap: 20px;
            }

        .image-container1 {
            flex: 0 0 auto;
            }

        .image-container1 img {
            max-width: 200px; /* 按需求调整 */
            height: auto;
           }

        .text-container {
            flex: 1;
           }
        @media (max-width: 768px) {
            .container {
                padding: 20px 15px;
            }
            
            h1 {
                font-size: 1.8rem;
            }
            
            h2 {
                font-size: 1.3rem;
            }
            
            h3 {
                font-size: 1.1rem;
            }

            .modal-content {
                width: 95%;
            }
 
 .head-measurement {
            flex-direction: column;
    align-items: center; /* 图片和文字居中 */
    text-align: left;    /* 保持文字左对齐 */
  }

  .image-container1 img {
    max-width: 100%; /* 占满手机屏宽 */
  }
        }