@media (max-width: 700px) {
  html, body {
    overflow-x: hidden !important;
    width: 100% !important;
    max-width: 100vw !important;
    margin: 0 !important;
    padding: 0 !important;
  }
  
  ::-webkit-scrollbar {
    display: none !important;
    width: 0 !important;
    height: 0 !important;
  }
  
  * {
    scrollbar-width: none !important;
    -ms-overflow-style: none !important;
  }

  footer {
    display: none !important;
  }

  body {
    padding: 12px !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    min-height: 100vh !important;
    transition: background 0.5s ease-in-out;
  }

  body.light-theme {
    background: linear-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.1)), #fffbf0 !important;
    background-attachment: scroll !important; 
  }
  
  body.light-theme.mobile-bg-loaded {
    background: linear-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.1)), url('mbg.webp') no-repeat center center / cover !important;
    background-attachment: scroll !important;
  }

  .dashboard {
    margin: auto !important; 
    width: 100% !important;
    padding: 0 !important; 
    background: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border: none !important;
    box-shadow: none !important;
    border-radius: 0 !important;
  }

  body.light-theme .dashboard {
    background: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    border-radius: 0 !important;
  }

  .search-section { 
    margin-bottom: 56px !important; 
    width: 100% !important; 
    padding: 0 12px !important; 
    box-sizing: border-box !important;
    position: relative !important; 
  }
  .search-box {
    background: rgba(20, 0, 0, 0.7);
    padding: 0 4px 0 4px;
    border-radius: 18px !important; 
    width: 100% !important;
    box-sizing: border-box !important;
  }
  body.light-theme .search-box {
    background: #ffffff !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border: 1px solid rgba(0, 0, 0, 0.05) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08) !important;
  }
  
  .search-box input {
    color: #1f2328 !important;
    padding: 16px 14px !important; 
    min-width: 0 !important;
  }
  
  body.light-theme .search-box input::placeholder {
    color: rgba(80, 90, 110, 0.6) !important;
  }
  .search-box button.search-btn { 
    padding: 13px 18px !important; 
    font-size: 0.85rem !important; 
    flex-shrink: 0 !important; 
    border-radius: 12px !important;
  }

  /* 移动端：保留点击切换搜索引擎（紧凑图标按钮形态） */
  .engine-selector { display: block !important; flex-shrink: 0; }
  .engine-trigger {
    margin-left: 4px;
    padding: 8px 10px;
    gap: 0;
    border-radius: 12px; /* 与移动端 search-btn 的 12px 圆角协调 */
  }
  .engine-trigger .engine-name,
  .engine-trigger .arrow { display: none; }   /* 窄屏仅保留图标，节省空间 */
  .engine-trigger .engine-icon { font-size: 1.15rem; }
  .engine-dropdown {
    min-width: 150px;
    max-width: 74vw;
    left: 0;
  }

  .search-input-wrapper {
    width: 100% !important;
    min-width: 0 !important;
  }

  .search-dropdown-panel {
    flex-direction: column !important;
    border-radius: 18px !important; 
    width: auto !important; 
    max-width: none !important; 
    box-sizing: border-box !important;
    left: 12px !important; 
    right: 12px !important; 
    overflow-x: hidden !important;
  }
  .panel-left, .panel-right, .panel-extra {
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .panel-left, .panel-right {
    border-right: none !important;
    border-bottom: 1px solid rgba(255, 215, 0, 0.15) !important;
  }
  .panel-extra {
    border-right: none !important;
  }
  .history-list, .news-list {
    max-height: 220px !important;
    overflow-x: hidden !important;
  }

  .header { display: none; }
  .nav-grid { display: none; }
  .mobile-circle-grid { 
    display: grid; 
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 28px 10px !important; 
    margin-top: 0 !important; 
    width: 100% !important;
    padding: 0 12px !important; 
    box-sizing: border-box;
  }
  
  .circle-item { 
    gap: 8px !important; 
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1) !important; 
  }
  .circle-item:active {
    transform: scale(0.92) !important;
  }

  .circle-icon {
    width: 64px !important; 
    height: 64px !important;
    font-size: 1.8rem !important; 
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: linear-gradient(145deg, rgba(60, 10, 10, 0.7), rgba(20, 0, 0, 0.9)) !important;
    border: 1px solid rgba(255, 215, 0, 0.3) !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6), inset 0 2px 4px rgba(255, 215, 0, 0.15) !important;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
    transition: all 0.2s ease !important;
  }

  body.light-theme .circle-icon {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.65)) !important;
    border: 1px solid rgba(255, 255, 255, 1) !important;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08), inset 0 -2px 6px rgba(0, 0, 0, 0.03) !important;
  }

  .circle-item:active .circle-icon {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2), inset 0 2px 6px rgba(0, 0, 0, 0.1) !important;
  }

  body.light-theme .circle-text {
    font-size: 0.85rem !important; 
    color: #ffffff !important;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.6) !important;
    font-weight: 600 !important;
    letter-spacing: 0.5px !important;
  }
  body:not(.light-theme) .circle-text {
    font-size: 0.85rem !important;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.8) !important;
    font-weight: 500 !important;
    letter-spacing: 0.5px !important;
  }

  .search-box:hover, .weather-widget:hover, .time-widget:hover {
    border-color: rgba(255, 215, 0, 0.2);
    background: rgba(20, 0, 0, 0.7);
    box-shadow: 0 8px 24px -8px rgba(0, 0, 0, 0.8);
  }
  .search-box:focus-within {
    border-color: rgba(255, 215, 0, 0.8);
    background: rgba(40, 5, 5, 0.9);
    box-shadow: 0 0 0 4px rgba(230, 0, 18, 0.2), 0 0 30px rgba(255, 215, 0, 0.15);
  }

  .widget-tooltip { display: none !important; }
  .theme-toggle-btn, .tooltip-wrapper[data-tooltip="切换颜色模式"] { display: none !important; }
}

@media (max-width: 380px) {
  .mobile-circle-grid { gap: 22px 6px !important; padding: 0 8px !important;}
  .circle-icon { width: 56px !important; height: 56px !important; font-size: 1.6rem !important; }
  .circle-text { font-size: 0.8rem !important; }
  .search-box button.search-btn { padding: 13px 14px !important; }
  .search-section { margin-bottom: 40px !important; padding: 0 8px !important; }
  
  .search-dropdown-panel {
    left: 8px !important;
    right: 8px !important;
  }
  
  .engine-trigger { padding: 7px 8px !important; }
  .engine-trigger .engine-icon { font-size: 1.05rem !important; }
}