/* 基础样式重置与布局 */
* { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
  }
  
  body { 
    font-family: "PingFang SC", "Helvetica Neue", Helvetica, Arial, sans-serif; 
    background-color: #f5f5f5;
    color: #333;
  }
  
  .container {
    max-width: 750px;
    margin: 0 auto;
    background-color: #fff;
    min-height: 100vh;
    padding-bottom: 60px;
  }
  
  /* 头部导航栏 */
  .header { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    background-color: #0099FF; 
    color: #FFFFFF; 
    padding: 10px 16px; 
    position: sticky;
    top: 0;
    z-index: 100;
  }
  
  .header .title { 
    font-size: 18px; 
    font-weight: bold;
  }
  
  .header .icons { 
    display: flex; 
  }
  
  .header .icons i { 
    font-size: 20px; 
    margin-left: 16px; 
    cursor: pointer;
  }
  
  /* 用户信息区域 */
  .user-info {
    background: linear-gradient(135deg, #0099FF, #66CCFF);
    color: #fff;
    padding: 20px 16px;
    display: flex;
    align-items: center;
    position: relative;
  }
  
  .user-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    border: 3px solid rgba(255,255,255,0.3);
    overflow: hidden;
    margin-right: 15px;
  }
  
  .user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .user-details {
    flex: 1;
  }
  
  .user-name {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 5px;
    display: flex;
    align-items: center;
  }
  
  .user-vip {
    background-color: #FFCC00;
    color: #8B6508;
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: 10px;
  }
  
  .user-desc {
    font-size: 14px;
    opacity: 0.9;
  }
  
  .user-arrow {
    font-size: 16px;
    opacity: 0.8;
  }
  
  /* 钱包与资产区域 */
  .assets-section {
    background-color: #fff;
    margin: 10px 16px;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    overflow: hidden;
  }
  
  .assets-header {
    display: flex;
    justify-content: space-between;
    padding: 15px;
    border-bottom: 1px solid #f0f0f0;
  }
  
  .assets-title {
    font-size: 16px;
    font-weight: bold;
  }
  
  .assets-more {
    color: #999;
    font-size: 14px;
  }
  
  .assets-items {
    display: flex;
    text-align: center;
  }
  
  .asset-item {
    flex: 1;
    padding: 15px 0;
  }
  
  .asset-value {
    font-size: 18px;
    font-weight: bold;
    color: #FF6600;
    margin-bottom: 5px;
  }
  
  .asset-label {
    font-size: 12px;
    color: #666;
  }
  
  /* 订单区域 */
  .order-section {
    background-color: #fff;
    margin: 10px 16px;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    overflow: hidden;
  }
  
  .section-header {
    display: flex;
    justify-content: space-between;
    padding: 15px;
    border-bottom: 1px solid #f0f0f0;
  }
  
  .section-title {
    font-size: 16px;
    font-weight: bold;
  }
  
  .section-more {
    color: #999;
    font-size: 14px;
  }
  
  .order-status {
    display: flex;
    text-align: center;
    padding: 15px 0;
  }
  
  .status-item {
    flex: 1;
  }
  
  .status-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 8px;
    background-color: #FFECE1;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FF6600;
    font-size: 20px;
  }
  
  .status-label {
    font-size: 12px;
    color: #333;
  }
  
  /* 功能区域 */
  .function-section {
    background-color: #fff;
    margin: 10px 16px;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    overflow: hidden;
  }
  
  .function-grid {
    display: flex;
    flex-wrap: wrap;
  }
  
  .function-item {
    width: 25%;
    text-align: center;
    padding: 15px 0;
    border-bottom: 1px solid #f0f0f0;
    border-right: 1px solid #f0f0f0;
  }
  
  .function-item:nth-child(4n) {
    border-right: none;
  }
  
  .function-icon {
    width: 30px;
    height: 30px;
    margin: 0 auto 8px;
    background-color: #F2F2F2;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0099FF;
    font-size: 16px;
  }
  
  .function-label {
    font-size: 12px;
    color: #333;
  }
  
  /* 底部导航栏 */
  .footer { 
    display: flex; 
    justify-content: space-around; 
    background-color: #FFFFFF; 
    padding: 10px 16px; 
    border-top: 1px solid #eee;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    max-width: 750px;
    margin: 0 auto;
    box-shadow: 0 -2px 4px rgba(0,0,0,0.05);
  }
  
  .footer .item { 
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    cursor: pointer;
    transition: color 0.3s;
    flex: 1;
    text-decoration: none;
    color: #666;
  }
  
  .footer .item.active {
    color: #0099FF;
  }
  
  .footer .item i { 
    font-size: 22px; 
    margin-bottom: 4px;
  }
  
  .footer .item span { 
    font-size: 12px; 
  }
  
  /* 响应式调整 */
  @media (max-width: 480px) {
    .user-avatar {
      width: 60px;
      height: 60px;
    }
    
    .user-name {
      font-size: 16px;
    }
    
    .function-item {
      width: 25%;
    }
  }