.u-section-1 {
    background-position: 50% 50%;
    background-repeat: no-repeat;
    /* 移除默认背景图片 */
    /* background-image: url("../images/web-15.png"); */
    background-size: cover;
  }
  
  .u-section-1 .u-sheet-1 {
    min-height: 100vh;
  }
  
  .u-section-1 .u-image-1 {
    width: 312px;
    height: 110px;
    margin: 47px auto 0;
  }
  
  .u-section-1 .u-group-1 {
    min-height: 460px;
    height: auto;
    width: 989px;
    background-position: 50% 50%;
    background-repeat: no-repeat;
    background-image: linear-gradient(to bottom, #fcc75a, #ee6622);
    background-size: cover;
    box-shadow: 5px 5px 20px 0 rgba(0,0,0,0.4);
    --top-left-radius: 50px;
    --top-right-radius: 50px;
    margin: 101px auto 0;
  }
  
  .u-section-1 .u-container-layout-1 {
    padding: 0 30px;
  }
  
  .u-section-1 .u-form-1 {
    height: 396px;
    box-shadow: 5px 5px 20px 0 rgba(0,0,0,0.4);
    margin: 32px 0 0 419px;
  }
  
  .u-section-1 .u-input-1 {
    background-image: none;
    height: 63px;
    box-shadow: 5px 5px 20px 0 rgba(0,0,0,0.4);
    --radius: 50px;
    border-style: solid;
  }
  
  .u-section-1 .u-input-2 {
    background-image: none;
    height: 63px;
    box-shadow: 5px 5px 20px 0 rgba(0,0,0,0.4);
    --radius: 50px;
    border-style: solid;
  }
  
  .u-section-1 .u-form-group-3 {
    margin-left: 0;
  }
  
  .u-section-1 .u-input-3 {
    background-image: none;
    box-shadow: 5px 5px 20px 0 rgba(0,0,0,0.4);
    --radius: 50px;
    border-style: solid;
  }
  
  .u-section-1 .u-btn-1 {
    background-image: linear-gradient(#fcc75a, #ee6622);
    --radius: 50px;
    box-shadow: 5px 5px 20px 0 rgba(0,0,0,0.4);
    font-weight: 500;
    padding: 20px 107px 20px 106px;
  }
  
  .u-section-1 .u-group-2 {
    width: 385px;
    min-height: 362px;
    height: auto;
    margin: -362px auto 0 0;
  }
  
  .u-section-1 .u-container-layout-2 {
    padding: 0 0 23px;
  }
  
  .u-section-1 .u-text-1 {
    font-weight: 700;
    width: 260px;
    margin: 1px auto 0;
  }
  
  .u-section-1 .u-text-2 {
    font-size: 1.125rem;
    margin: 30px 14px 0;
  }
  
  .u-section-1 .u-btn-2 {
    background-image: none;
    padding: 0;
  }
  
  .u-section-1 .u-btn-3 {
    font-weight: 700;
    font-size: 0.875rem;
    letter-spacing: 0px;
    text-transform: uppercase;
    margin: -38px 227px 0 auto;
    padding: 0;
  }
  
  .u-section-1 .u-list-1 {
    width: 989px;
    margin: 7px auto 60px;
  }
  
  .u-section-1 .u-repeater-1 {
    grid-auto-columns: calc(50% - 3.5px);
    grid-template-columns: repeat(2, calc(50% - 3.5px));
    min-height: 80px;
    grid-gap: 7px;
  }
  
  .u-section-1 .u-list-item-1 {
    background-repeat: no-repeat;
    box-shadow: 5px 5px 20px 0 rgba(0,0,0,0.4);
    background-image: linear-gradient(to bottom, #fcc75a, #ee6622);
    background-position: 50% 50%;
    --bottom-left-radius: 50px;
  }
  
  .u-section-1 .u-container-layout-3 {
    padding-left: 15px;
    padding-right: 15px;
    padding-bottom: 0;
  }
  
  .u-section-1 .u-group-3 {
    min-height: 60px;
    height: auto;
    width: 164px;
    margin: 10px auto 0 16px;
  }
  
  .u-section-1 .u-container-layout-4 {
    padding-bottom: 0;
  }
  
  .u-section-1 .u-text-3 {
    margin: 16px auto 0;
  }
  
  .u-section-1 .u-group-4 {
    min-height: 60px;
    height: auto;
    width: 127px;
    margin: -60px 143px 0 auto;
  }
  
  .u-section-1 .u-container-layout-5 {
    padding-top: 0;
    padding-bottom: 0;
  }
  
  .u-section-1 .u-text-4 {
    margin: 0 auto;
  }
  
  .u-section-1 .u-group-5 {
    min-height: 60px;
    height: auto;
    width: 127px;
    margin: -60px 12px 0 auto;
  }
  
  .u-section-1 .u-container-layout-6 {
    padding-top: 0;
    padding-bottom: 0;
  }
  
  .u-section-1 .u-text-5 {
    margin: 0 auto;
  }
  
  .u-section-1 .u-list-item-2 {
    background-repeat: no-repeat;
    box-shadow: 5px 5px 20px 0 rgba(0,0,0,0.4);
    background-image: linear-gradient(to bottom, #fcc75a, #ee6622);
    background-position: 50% 50%;
    --bottom-right-radius: 50px;
  }
  
  .u-section-1 .u-container-layout-7 {
    padding-left: 15px;
    padding-right: 15px;
    padding-bottom: 0;
  }
  
  .u-section-1 .u-group-6 {
    min-height: 60px;
    height: auto;
    width: 164px;
    margin: 10px auto 0 16px;
  }
  
  .u-section-1 .u-container-layout-8 {
    padding-bottom: 0;
  }
  
  .u-section-1 .u-text-6 {
    margin: 16px auto 0;
  }
  
  .u-section-1 .u-group-7 {
    min-height: 60px;
    height: auto;
    width: 127px;
    margin: -60px 143px 0 auto;
  }
  
  .u-section-1 .u-container-layout-9 {
    padding-top: 0;
    padding-bottom: 0;
  }
  
  .u-section-1 .u-text-7 {
    margin: 0 auto;
  }
  
  .u-section-1 .u-group-8 {
    min-height: 60px;
    height: auto;
    width: 127px;
    margin: -60px 12px 0 auto;
  }
  
  .u-section-1 .u-container-layout-10 {
    padding-top: 0;
    padding-bottom: 0;
  }
  
  .u-section-1 .u-text-8 {
    margin: 0 auto;
  }
  
  @media (max-width: 1199px) {
    .u-section-1 .u-group-1 {
      --radius: 50px;
      width: 940px;
      height: auto;
    }
  
    .u-section-1 .u-form-1 {
      margin-left: 370px;
    }
  
    .u-section-1 .u-input-3 {
      height: 63px;
    }
  
    .u-section-1 .u-group-2 {
      --radius: 23px;
      height: auto;
    }
  
    .u-section-1 .u-list-1 {
      width: 940px;
      min-height: 79px;
    }
  
    .u-section-1 .u-repeater-1 {
      min-height: 76px;
    }
  
    .u-section-1 .u-list-item-1 {
      background-size: cover;
      --radius: 50px;
    }
  
    .u-section-1 .u-container-layout-3 {
      padding-top: 0;
    }
  
    .u-section-1 .u-group-3 {
      height: auto;
    }
  
    .u-section-1 .u-group-4 {
      height: auto;
    }
  
    .u-section-1 .u-group-5 {
      height: auto;
    }
  
    .u-section-1 .u-list-item-2 {
      background-size: cover;
      --radius: 50px;
    }
  
    .u-section-1 .u-container-layout-7 {
      padding-top: 0;
    }
  
    .u-section-1 .u-group-6 {
      height: auto;
    }
  
    .u-section-1 .u-group-7 {
      height: auto;
    }
  
    .u-section-1 .u-group-8 {
      height: auto;
    }
  }
  
  @media (max-width: 991px) {
    .u-section-1 .u-group-1 {
      min-height: 674px;
      margin-top: 98px;
      margin-right: initial;
      margin-left: initial;
      width: auto;
    }
  
    .u-section-1 .u-form-1 {
      width: 510px;
      margin-top: 245px;
      margin-left: auto;
      margin-right: auto;
    }
  
    .u-section-1 .u-group-2 {
      width: 618px;
      margin-top: -623px;
      margin-left: auto;
    }
  
    .u-section-1 .u-container-layout-2 {
      padding-bottom: 0;
    }
  
    .u-section-1 .u-btn-3 {
      margin-top: 227px;
      margin-right: auto;
    }
  
    .u-section-1 .u-list-1 {
      margin-right: initial;
      margin-left: initial;
      width: auto;
    }
  
    .u-section-1 .u-repeater-1 {
      grid-auto-columns: calc(100% + 0px);
      grid-template-columns: 100%;
      min-height: 147px;
    }
  
    .u-section-1 .u-group-3 {
      margin-top: 5px;
    }
  
    .u-section-1 .u-group-4 {
      margin-right: 144px;
    }
  
    .u-section-1 .u-group-6 {
      margin-top: 5px;
    }
  
    .u-section-1 .u-group-7 {
      margin-right: 144px;
    }
  }
  
  @media (max-width: 767px) {
    .u-section-1 .u-container-layout-1 {
      padding-left: 10px;
      padding-right: 10px;
    }
  
    .u-section-1 .u-group-2 {
      margin-top: -616px;
      margin-right: initial;
      margin-left: initial;
      width: auto;
    }
  
    .u-section-1 .u-text-2 {
      font-size: 1rem;
    }
  
    .u-section-1 .u-btn-3 {
      margin-top: 363px;
    }
  
    .u-section-1 .u-repeater-1 {
      grid-auto-columns: 100%;
    }
  
    .u-section-1 .u-container-layout-3 {
      padding-left: 10px;
      padding-right: 10px;
    }
  
    .u-section-1 .u-container-layout-7 {
      padding-left: 10px;
      padding-right: 10px;
    }
  }
  
  @media (max-width: 575px) {
    .u-section-1 .u-container-layout-1 {
      padding-top: 9px;
      padding-bottom: 9px;
    }
  
    .u-section-1 .u-form-1 {
      width: 320px;
      margin-top: 246px;
    }
  
    .u-section-1 .u-btn-1 {
      padding: 19px 57px 21px;
    }
  
    .u-section-1 .u-text-2 {
      margin-left: 0;
      margin-right: 0;
    }
  
    .u-section-1 .u-btn-3 {
      margin-top: 357px;
    }
  
    .u-section-1 .u-container-layout-3 {
      padding-top: 9px;
      padding-bottom: 9px;
    }
  
    .u-section-1 .u-container-layout-7 {
      padding-top: 9px;
      padding-bottom: 9px;
    }
  }

  /* 密码输入框容器样式 */
  .password-container {
    position: relative;
    display: block;
  }

  /* 密码切换按钮样式 */
  .password-toggle {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    background: transparent;
    pointer-events: auto;
  }

  /* 调整SVG图标大小 */
  .password-toggle svg {
    width: 20px;
    height: 20px;
    opacity: 0.6;
    stroke: #666;
  }

  .password-toggle:hover svg {
    opacity: 1;
  }

  /* 确保密码输入框右侧有足够空间放置图标 */
  .password-container input {
    padding-right: 50px;
    text-align: center;
  }

  /* Toast 容器 */
  #toast-container {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 999999 !important;
    display: flex;
    flex-direction: column;
    align-items: center;
    pointer-events: none; /* 允许点击穿透 */
  }

  /* 单个 Toast */
  .toast {
    min-width: 250px;
    max-width: 350px;
    z-index: 999999 !important;
    padding: 15px 20px;
    border-radius: 50px;
    color: #fff;
    font-family: Arial, sans-serif;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center; /* 居中文本 */
    text-align: center; /* 居中文本 */
    pointer-events: auto; /* 允许 Toast 接收事件 */
  }

  /* 成功 Toast */
  .toast.success {
    box-shadow: 5px 5px 20px 0 rgba(0,0,0,0.4);
    background-image: linear-gradient(#00ff00, #009245);
  }

  /* 错误 Toast */
  .toast.error {
    background-image: linear-gradient(#ff6474, #e01c4c);
    box-shadow: 5px 5px 20px 0 rgba(0,0,0,0.4);
  }

  /* 信息 Toast */
  .toast.info {
    background-image: linear-gradient(#31cdee, #0962a4);
    box-shadow: 5px 5px 20px 0 rgba(0,0,0,0.4);
  }

  /* 淡出效果 */
  .toast.fade-out {
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
  }

  /* 按钮点击效果 */
  .u-btn-submit:active {
    transform: scale(0.98);
    box-shadow: 3px 3px 15px 0 rgba(0,0,0,0.3);
    transition: transform 0.1s, box-shadow 0.1s;
  }

  /* 按钮加载状态 */
  .u-btn-submit.btn-loading {
    opacity: 0.8;
    position: relative;
    color: transparent !important;
  }

  .u-btn-submit.btn-loading::after {
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin: -10px 0 0 -10px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: btn-spinner 1s ease-in-out infinite;
  }

  @keyframes btn-spinner {
    to {
      transform: rotate(360deg);
    }
  }

  /* 禁用状态 */
  .u-btn-submit[disabled] {
    cursor: not-allowed;
  }

  /* 注册表单输入框占位符居中 */
  .u-dialog-section-6 input::placeholder,
  .u-dialog-section-6 select {
    text-align: center;
  }

  /* 确保选择框中的文本也居中 */
  .u-dialog-section-6 .u-form-select-wrapper select {
    text-align-last: center;
    text-align: center;
  }

  /* 修复在某些浏览器中的显示问题 */
  .u-dialog-section-6 input:-moz-placeholder,
  .u-dialog-section-6 input::-moz-placeholder {
    text-align: center;
  }

  .u-dialog-section-6 input:-ms-input-placeholder {
    text-align: center;
  }

  /* 确保输入框中的文本也居中 */
  .u-dialog-section-6 input {
    text-align: center;
  }

  /* 登录表单输入框占位符居中 */
  .u-section-1 input::placeholder,
  .u-section-1 select {
    text-align: center;
  }

  /* 确保选择框中的文本也居中 */
  .u-section-1 .u-form-select-wrapper select {
    text-align-last: center;
    text-align: center;
  }

  /* 修复在某些浏览器中的显示问题 */
  .u-section-1 input:-moz-placeholder,
  .u-section-1 input::-moz-placeholder {
    text-align: center;
  }

  .u-section-1 input:-ms-input-placeholder {
    text-align: center;
  }

  /* 确保输入框中的文本也居中 */
  .u-section-1 input {
    text-align: center;
  }

  /* 重新设计密码输入框的居中方案 */
  #email-b064 {
    text-align: center !important;
    padding-left: 40px !important; 
    padding-right: 40px !important;
    box-sizing: border-box !important;
  }

  /* 添加一个伪元素在左侧平衡视觉效果 */
  .password-container::before {
    content: "";
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 30px;
    z-index: 5;
    pointer-events: none;
  }

  /* 优化学校候选列表样式 */
  .school-list-container {
    position: absolute;
    width: 320px; /* 设置固定宽度 */
    left: 50%;
    transform: translateX(-50%); /* 水平居中 */
    max-height: 200px;
    overflow-y: auto;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 1000;
    margin-top: 5px;
  }

  .school-list {
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .school-item {
    padding: 12px 15px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    border-bottom: 1px solid #f0f0f0;
    font-size: 14px;
    color: #333;
  }

  .school-item:last-child {
    border-bottom: none;
  }

  .school-item:hover {
    background-color: #f5f9ff;
    color: #0962a4;
  }

  /* 添加滚动条样式 */
  .school-list-container::-webkit-scrollbar {
    width: 8px;
  }

  .school-list-container::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
  }

  .school-list-container::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 10px;
  }

  .school-list-container::-webkit-scrollbar-thumb:hover {
    background: #aaa;
  }

  /* 确保在移动设备上也能正确显示 */
  @media (max-width: 375px) {
    .school-list-container {
      width: 280px;
    }
  }

  /* 注册表单密码框样式 */
  .u-dialog-section-6 .password-container {
    position: relative;
    display: block;
    width: 100%;
  }

  .u-dialog-section-6 .password-container input {
    text-align: center !important;
    padding-left: 40px !important; 
    padding-right: 40px !important;
    box-sizing: border-box !important;
  }

  .u-dialog-section-6 .password-toggle {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    z-index: 5;
    color: #666;
    transition: color 0.3s;
  }

  .u-dialog-section-6 .password-toggle:hover {
    color: #333;
  }

  /* 添加一个伪元素在左侧平衡视觉效果 */
  .u-dialog-section-6 .password-container::before {
    content: "";
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 30px;
    z-index: 5;
    pointer-events: none;
  }

  /* 确保密码框中的文本居中显示 */
  #text-b46f {
    text-align: center !important;
    padding-left: 40px !important; 
    padding-right: 40px !important;
    box-sizing: border-box !important;
  }

  /* 自定义下拉菜单样式 */
  .custom-select-container {
    position: relative;
    width: 100%;
    margin-bottom: 20px;
  }

  .u-form-select-wrapper .custom-select-container {
    margin-bottom: 0; /* 在表单中不需要额外的底部边距 */
  }

  .custom-select-selected {
    width: 100%;
    padding: 15px 20px;
    background-color: white;
    border-radius: 50px;
    box-shadow: 5px 5px 20px 0 rgba(0,0,0,0.4);
    cursor: pointer;
    text-align: center;
    font-weight: 600;
    position: relative;
  }

  .custom-select-selected::after {
    content: '';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid #666;
  }

  /* 隐藏原生下拉箭头 */
  .u-form-select-wrapper .u-caret {
    display: none !important;
  }

  .custom-select-options {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 5px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    z-index: 1000;
    max-height: 200px;
    overflow-y: auto;
  }

  .custom-select-option {
    padding: 12px 15px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    border-bottom: 1px solid #f0f0f0;
    font-size: 14px;
    color: #333;
  }

  .custom-select-option:last-child {
    border-bottom: none;
  }

  .custom-select-option:hover:not(.disabled) {
    background-color: #f5f9ff;
    color: #0962a4;
  }

  .custom-select-option.disabled {
    color: #999;
    cursor: not-allowed;
    background-color: #f5f5f5;
  }

  /* 添加滚动条样式 */
  .custom-select-options::-webkit-scrollbar {
    width: 8px;
  }

  .custom-select-options::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
  }

  .custom-select-options::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 10px;
  }

  .custom-select-options::-webkit-scrollbar-thumb:hover {
    background: #aaa;
  }

  /* 修复注册模态框中编码类型下拉框的圆角样式 */
  .u-dialog-section-6 .u-form-select-wrapper select {
    border-radius: 50px !important;
    --radius: 50px !important;
  }

  /* 确保下拉框的容器也有圆角 */
  .u-dialog-section-6 .u-form-select-wrapper {
    border-radius: 50px !important;
    overflow: hidden;
  }

  /* 确保下拉箭头位置正确 */
  .u-dialog-section-6 .u-form-select-wrapper .u-caret {
    right: 20px;
  }

  /* 确保所有输入框在注册模态框中有一致的样式 */
  .u-dialog-section-6 input,
  .u-dialog-section-6 select {
    border-radius: 50px !important;
    box-shadow: 5px 5px 20px 0 rgba(0,0,0,0.4) !important;
    font-weight: 600 !important;
    background-color: white !important;
    padding-right: 40px !important; /* 为箭头留出空间 */
    padding-left: 40px !important; /* 左侧也留出相同空间，保持对称 */
    text-align: center !important; /* 文本居中 */
    box-sizing: border-box !important;
  }

  /* 确保下拉框的文本也居中 */
  .u-dialog-section-6 .u-form-select-wrapper select {
    text-align-last: center !important; /* 下拉框选中项文本居中 */
    text-align: center !important; /* 兼容性处理 */
  }

  /* 确保下拉框的容器有正确的样式 */
  .u-dialog-section-6 .u-form-select-wrapper {
    border-radius: 50px !important;
    overflow: hidden;
    position: relative; /* 确保箭头定位正确 */
    text-align: center !important; /* 容器内文本居中 */
  }

  /* 调整下拉箭头位置，确保不会遮挡文本 */
  .u-dialog-section-6 .u-form-select-wrapper .u-caret {
    display: block !important;
    right: 20px !important;
    pointer-events: none !important; /* 确保箭头不会阻止点击 */
  }

  /* 修改原来的CSS规则，只针对登录页面的平台选择下拉菜单 */
  .u-section-1 .u-form-select-wrapper .u-caret {
    display: none !important;
  }

  /* 恢复注册模态框中下拉菜单的箭头 */
  .u-dialog-section-6 .u-form-select-wrapper .u-caret {
    display: block !important; /* 显示下拉箭头 */
    right: 20px; /* 保持箭头位置正确 */
  }

  /* 确保下拉箭头在视觉上与其他元素协调 */
  .u-dialog-section-6 .u-form-select-wrapper .u-caret svg {
    width: 16px;
    height: 16px;
    fill: #666;
  }

  /* 确保下拉框的容器有正确的样式 */
  .u-dialog-section-6 .u-form-select-wrapper {
    border-radius: 50px !important;
    overflow: hidden;
    position: relative; /* 确保箭头定位正确 */
  }

  /* 确保所有输入框在注册模态框中有一致的样式 */
  .u-dialog-section-6 input,
  .u-dialog-section-6 select {
    border-radius: 50px !important;
    box-shadow: 5px 5px 20px 0 rgba(0,0,0,0.4) !important;
    font-weight: 600 !important;
    background-color: white !important;
    padding-right: 40px !important; /* 为箭头留出空间 */
  }

  /* 按钮加载状态 */
  .u-btn-step.btn-loading {
    opacity: 0.8;
    cursor: not-allowed;
    background-image: linear-gradient(#31cdee, #0962a4) !important;
    color: white !important;
  }

  /* 禁用状态 */
  .u-btn-step:disabled {
    opacity: 0.7;
    cursor: not-allowed;
  }

  /* 平台选择引导提示框 */
  .platform-guide-tooltip {
    position: fixed; /* 改为固定定位 */
    background-image: linear-gradient(135deg, #3c99dc, #235bc2);
    color: white;
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2), 0 0 0 1px rgba(255,255,255,0.1) inset;
    font-size: 14px;
    max-width: 320px;
    z-index: 9999;
    text-align: center;
    animation: float 3s ease-in-out infinite;
    line-height: 1.6;
    pointer-events: auto; /* 确保可点击 */
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-family: "PingFang SC", "Helvetica Neue", Helvetica, Arial, sans-serif;
  }
  
  @keyframes float {
    0% {
      transform: translateY(0px);
      box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    }
    50% {
      transform: translateY(-8px);
      box-shadow: 0 15px 30px rgba(0,0,0,0.3);
    }
    100% {
      transform: translateY(0px);
      box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    }
  }
  
  .platform-guide-tooltip p {
    margin: 8px 0;
    transition: all 0.3s ease;
  }
  
  .platform-guide-tooltip p strong {
    font-weight: 600;
    color: #ffffff;
    display: inline-block;
    position: relative;
  }
  
  .platform-guide-tooltip p:first-of-type {
    font-size: 16px;
    margin-bottom: 15px;
    position: relative;
    padding-bottom: 10px;
  }
  
  .platform-guide-tooltip p:first-of-type:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 30%;
    width: 40%;
    height: 2px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 2px;
  }
  
  /* 提示框箭头 - 默认指向右侧 */
  .platform-guide-tooltip:after {
    content: '';
    position: absolute;
    top: 50%; /* 垂直居中 */
    right: -10px; /* 放在右侧 */
    margin-top: -10px; /* 垂直居中调整 */
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #3c99dc, #235bc2);
    transform: rotate(45deg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-width: 0 1px 1px 0;
  }
  
  /* 小屏幕上提示框箭头指向上方 */
  .platform-guide-tooltip.position-bottom:after {
    top: -10px; /* 放在顶部 */
    right: auto; /* 清除右侧定位 */
    left: 50%; /* 水平居中 */
    margin-top: 0; /* 清除垂直居中调整 */
    margin-left: -10px; /* 水平居中调整 */
    border-width: 1px 0 0 1px;
  }

  /* 提示框关闭按钮 */
  .platform-guide-close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.2s ease;
    z-index: 2;
  }

  .platform-guide-close:hover {
    background: rgba(255, 255, 255, 0.4);
    transform: rotate(90deg);
  }

  /* 高亮显示下拉菜单 */
  .highlight-select, 
  .custom-select-selected.highlight-select {
    border: 2px solid #3c99dc !important;
    animation: glow 1.5s infinite alternate;
    box-shadow: 0 0 15px rgba(60, 153, 220, 0.7) !important;
    transition: all 0.3s ease;
  }

  @keyframes glow {
    from {
      box-shadow: 0 0 10px rgba(60, 153, 220, 0.4);
      border-color: #3c99dc !important;
    }
    to {
      box-shadow: 0 0 20px rgba(60, 153, 220, 0.8);
      border-color: #235bc2 !important;
    }
  }

  /* 禁用状态 */
  .u-btn-submit[disabled] {
    cursor: not-allowed;
  }