/* ========== 基础重置与全局样式 ========== */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      font-family: "Comic Sans MS", "PingFang SC", "Microsoft YaHei", cursive, sans-serif;
      background: #FFF9FA;
      color: #5D4E60;
      line-height: 1.6;
      min-height: 100vh;
      position: relative;
      overflow-x: hidden;
    }

    /* ========== 装饰性浮动元素 ========== */
    body::before,
    body::after {
      content: '';
      position: fixed;
      border-radius: 50%;
      pointer-events: none;
      z-index: 0;
      opacity: 0.15;
    }

    body::before {
      width: 200px;
      height: 200px;
      background: #FFD700;
      top: 10%;
      right: -60px;
      animation: floatBubble 8s ease-in-out infinite;
    }

    body::after {
      width: 150px;
      height: 150px;
      background: #FF9EBB;
      bottom: 15%;
      left: -40px;
      animation: floatBubble 10s ease-in-out infinite reverse;
    }

    /* 额外的星星装饰 */
    .sparkle-container {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
      z-index: 0;
      overflow: hidden;
    }

    .sparkle {
      position: absolute;
      color: #FFD700;
      opacity: 0;
      animation: sparkleFloat 6s ease-in-out infinite;
      font-size: 14px;
    }

    .sparkle:nth-child(1) { top: 20%; left: 10%; animation-delay: 0s; }
    .sparkle:nth-child(2) { top: 40%; left: 85%; animation-delay: 2s; }
    .sparkle:nth-child(3) { top: 60%; left: 25%; animation-delay: 4s; }
    .sparkle:nth-child(4) { top: 15%; left: 60%; animation-delay: 1s; }
    .sparkle:nth-child(5) { top: 75%; left: 70%; animation-delay: 3s; }

    @keyframes floatBubble {
      0%, 100% { transform: translateY(0) scale(1); }
      50% { transform: translateY(-20px) scale(1.05); }
    }

    @keyframes sparkleFloat {
      0%, 100% { opacity: 0; transform: translateY(0) scale(0.5) rotate(0deg); }
      50% { opacity: 0.4; transform: translateY(-15px) scale(1) rotate(180deg); }
    }

    @keyframes gentleBounce {
      0%, 100% { transform: scale(1); }
      50% { transform: scale(1.03); }
    }

    @keyframes toastBounce {
      0% { transform: translateX(-50%) translateY(-20px); }
      60% { transform: translateX(-50%) translateY(5px); }
      100% { transform: translateX(-50%) translateY(0); }
    }

    /* ========== 顶部导航栏 ========== */
    .navbar {
      position: sticky;
      top: 0;
      z-index: 100;
      background: linear-gradient(180deg, #FFF0F5 0%, #FFFFFF 100%);
      border-bottom: none;
      box-shadow: 0 2px 12px rgba(255, 158, 187, 0.15);
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 24px;
      height: 60px;
    }

    .navbar-title {
      font-size: 20px;
      font-weight: 700;
      color: #FF9EBB;
      white-space: nowrap;
    }

    .navbar-nav {
      display: flex;
      gap: 4px;
    }

    .nav-tab {
      padding: 8px 20px;
      border: none;
      background: none;
      font-size: 15px;
      color: #A99BAA;
      cursor: pointer;
      position: relative;
      transition: color 0.3s ease, background 0.3s ease, border-radius 0.3s ease;
      font-family: inherit;
      border-radius: 24px;
    }

    .nav-tab:hover {
      color: #FF9EBB;
      background: rgba(255, 158, 187, 0.08);
    }

    .nav-tab.active {
      color: #FFFFFF;
      font-weight: 600;
      background: #FF9EBB;
    }

    .nav-tab.active::after {
      content: '';
      display: none;
    }

    .navbar-actions {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .settings-btn {
      width: 36px;
      height: 36px;
      border: none;
      background: none;
      cursor: pointer;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #A99BAA;
      font-size: 20px;
      transition: background 0.2s, color 0.2s, transform 0.2s;
    }

    .settings-btn:hover {
      background: rgba(255, 158, 187, 0.1);
      color: #FF9EBB;
      transform: scale(1.1);
    }

    /* ========== 页面内容区 ========== */
    .page-container {
      max-width: 900px;
      margin: 0 auto;
      padding: 24px 16px;
      position: relative;
      z-index: 1;
    }

    .page-section {
      display: none;
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .page-section.active {
      display: block;
      opacity: 1;
    }

    /* ========== 卡片样式 ========== */
    .card {
      background: #FFFFFF;
      border-radius: 16px;
      padding: 24px;
      margin-bottom: 20px;
      box-shadow: 0 4px 20px rgba(255, 158, 187, 0.1);
      border: 1px solid #F0E0E8;
    }

    .card-title {
      font-size: 18px;
      font-weight: 600;
      margin-bottom: 20px;
      color: #5D4E60;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .card-title::before {
      content: '';
      display: none;
    }

    /* ========== 表单样式 ========== */
    .form-group {
      margin-bottom: 20px;
    }

    .form-label {
      display: block;
      font-size: 14px;
      font-weight: 500;
      color: #5D4E60;
      margin-bottom: 6px;
    }

    .input-wrapper {
      position: relative;
      display: flex;
      align-items: center;
    }

    .form-input {
      width: 100%;
      padding: 10px 14px;
      border: 1px solid #F0E0E8;
      border-radius: 12px;
      font-size: 15px;
      font-family: inherit;
      color: #5D4E60;
      background: #FFFFFF;
      transition: border-color 0.2s, box-shadow 0.2s;
      outline: none;
    }

    .form-input:focus {
      border-color: #FF9EBB;
      box-shadow: 0 0 0 3px rgba(255, 158, 187, 0.15);
    }

    .form-input.error {
      border-color: #FF6B8A;
      box-shadow: 0 0 0 3px rgba(255, 107, 138, 0.1);
    }

    .input-unit {
      position: absolute;
      right: 14px;
      font-size: 14px;
      color: #A99BAA;
      pointer-events: none;
    }

    .form-input.has-unit {
      padding-right: 40px;
    }

    .error-msg {
      color: #FF6B8A;
      font-size: 12px;
      margin-top: 4px;
      display: none;
    }

    .error-msg.show {
      display: block;
    }

    /* ========== 按钮样式 ========== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 24px;
      border-radius: 24px;
      font-size: 15px;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.2s ease, transform 0.15s ease;
      border: none;
      font-family: inherit;
      gap: 6px;
    }

    .btn:hover {
      transform: scale(1.03);
    }

    .btn:active {
      transform: scale(0.98);
    }

    .btn-primary {
      background: #FF9EBB;
      color: #FFFFFF;
    }

    .btn-primary:hover {
      background: #FF8AA3;
      box-shadow: 0 4px 12px rgba(255, 158, 187, 0.4);
    }

    .btn-primary:active {
      background: #FF7A93;
    }

    .btn-secondary {
      background: #FFFFFF;
      color: #A99BAA;
      border: 1px solid #F0E0E8;
    }

    .btn-secondary:hover {
      background: #FFF0F5;
      border-color: #FF9EBB;
      color: #FF9EBB;
    }

    .btn-sm {
      padding: 5px 14px;
      font-size: 13px;
      border-radius: 16px;
    }

    .btn-blue {
      background: #87CEEB;
      color: #FFFFFF;
      border: none;
    }

    .btn-blue:hover {
      background: #6BC5E0;
      box-shadow: 0 4px 12px rgba(135, 206, 235, 0.4);
    }

    .btn-red {
      background: #FFFFFF;
      color: #FF6B8A;
      border: 1px solid #FF6B8A;
    }

    .btn-red:hover {
      background: #FFF0F5;
    }

    .btn-group {
      display: flex;
      gap: 12px;
      margin-top: 8px;
    }

    /* ========== 表格样式 ========== */
    .table-wrapper {
      overflow-x: auto;
    }

    .data-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 14px;
    }

    .data-table thead {
      background: #FFF0F5;
    }

    .data-table th {
      padding: 12px 16px;
      text-align: left;
      font-weight: 600;
      color: #5D4E60;
      white-space: nowrap;
    }

    .data-table td {
      padding: 12px 16px;
      border-bottom: 1px solid #F0E0E8;
      color: #5D4E60;
    }

    .data-table tbody tr:hover {
      background: #FFF9FA;
    }

    .data-table tbody tr:last-child td {
      border-bottom: none;
    }

    .action-btns {
      display: flex;
      gap: 8px;
    }

    /* ========== 分页 ========== */
    .pagination {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 6px;
      margin-top: 20px;
      flex-wrap: wrap;
    }

    .page-btn {
      min-width: 36px;
      height: 36px;
      padding: 0 10px;
      border: 1px solid #F0E0E8;
      background: #FFFFFF;
      color: #A99BAA;
      border-radius: 12px;
      font-size: 14px;
      cursor: pointer;
      font-family: inherit;
      transition: all 0.2s;
    }

    .page-btn:hover:not(.active):not(:disabled) {
      border-color: #FF9EBB;
      color: #FF9EBB;
      transform: scale(1.05);
    }

    .page-btn.active {
      background: #FF9EBB;
      color: #FFFFFF;
      border-color: #FF9EBB;
    }

    .page-btn:disabled {
      opacity: 0.4;
      cursor: not-allowed;
    }

    /* ========== 空状态 ========== */
    .empty-state {
      text-align: center;
      padding: 60px 20px;
      color: #A99BAA;
    }

    .empty-state-icon {
      font-size: 64px;
      margin-bottom: 16px;
      opacity: 0.7;
    }

    .empty-state-text {
      font-size: 16px;
      margin-bottom: 20px;
    }

    .empty-state-btn {
      display: inline-block;
      padding: 10px 24px;
      background: #FF9EBB;
      color: #FFFFFF;
      border-radius: 24px;
      text-decoration: none;
      font-size: 14px;
      cursor: pointer;
      border: none;
      font-family: inherit;
      transition: background 0.2s, transform 0.15s;
    }

    .empty-state-btn:hover {
      background: #FF8AA3;
      transform: scale(1.03);
    }

    /* ========== 模态框 ========== */
    .modal-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(255, 158, 187, 0.3);
      backdrop-filter: blur(4px);
      -webkit-backdrop-filter: blur(4px);
      display: none;
      align-items: center;
      justify-content: center;
      z-index: 200;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s;
    }

    .modal-overlay.show {
      display: flex;
      opacity: 1;
      pointer-events: auto;
    }

    .modal {
      background: #FFFFFF;
      border-radius: 20px;
      padding: 32px;
      width: 90%;
      max-width: 460px;
      box-shadow: 0 20px 60px rgba(255, 158, 187, 0.2);
      transform: translateY(20px);
      transition: transform 0.3s;
    }

    .modal-overlay.show .modal {
      transform: translateY(0);
    }

    .modal-title {
      font-size: 20px;
      font-weight: 600;
      margin-bottom: 24px;
      color: #5D4E60;
    }

    /* ========== Toast 提示 ========== */
    .toast {
      position: fixed;
      top: -60px;
      left: 50%;
      transform: translateX(-50%);
      background: #FF9EBB;
      color: #FFFFFF;
      padding: 12px 28px;
      border-radius: 24px;
      font-size: 15px;
      font-weight: 500;
      z-index: 300;
      box-shadow: 0 4px 16px rgba(255, 158, 187, 0.4);
      transition: top 0.4s cubic-bezier(0.4, 0, 0.2, 1);
      white-space: nowrap;
    }

    .toast.show {
      top: 80px;
      animation: toastBounce 0.4s ease;
    }

    /* ========== 图表区域 ========== */
    .chart-container {
      position: relative;
      width: 100%;
      min-height: 400px;
    }

    .chart-canvas-wrapper {
      position: relative;
      width: 100%;
      height: 400px;
    }

    .chart-canvas-wrapper canvas {
      width: 100% !important;
      height: 100% !important;
    }

    /* ========== 欢迎弹窗图标 ========== */
    .welcome-icon {
      font-size: 56px;
      text-align: center;
      margin-bottom: 16px;
    }

    /* ========== 响应式 ========== */
    @media (max-width: 768px) {
      .navbar {
        padding: 0 12px;
        height: auto;
        min-height: 60px;
        flex-wrap: wrap;
        gap: 8px;
        padding-top: 12px;
        padding-bottom: 12px;
      }

      .navbar-title {
        font-size: 16px;
      }

      .nav-tab {
        padding: 6px 12px;
        font-size: 13px;
      }

      .card {
        padding: 16px;
      }

      .btn-group {
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

      .data-table th,
      .data-table td {
        padding: 10px 8px;
        font-size: 13px;
      }
    }

    /* ========== 滚动条美化 ========== */
    ::-webkit-scrollbar {
      width: 6px;
    }

    ::-webkit-scrollbar-track {
      background: transparent;
    }

    ::-webkit-scrollbar-thumb {
      background: #FFD0DC;
      border-radius: 3px;
    }

    ::-webkit-scrollbar-thumb:hover {
      background: #FF9EBB;
    }

    /* ========== SVG 图标（内联） ========== */
    .icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    /* ========== 发育水平百分比标签 ========== */
    .pct-tag {
      display: inline-flex;
      align-items: center;
      gap: 2px;
      padding: 3px 10px;
      border-radius: 20px;
      font-size: 12px;
      font-weight: 600;
      white-space: nowrap;
    }

    .pct-good {
      background: #E8F8EA;
      color: #2E7D32;
    }

    .pct-normal {
      background: #FFF8E1;
      color: #F57F17;
    }

    .pct-low {
      background: #FFF0F0;
      color: #E53935;
    }

    .pct-na {
      color: #A99BAA;
    }

    /* ========== 每日喝奶记录 ========== */
    .milk-summary-card {
      margin-bottom: 16px;
    }

    .milk-summary-inner {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 20px;
      background: linear-gradient(135deg, #FFF0F5, #F0F8FF);
      border-radius: 16px;
      border: 1px solid #F0E0E8;
    }

    .milk-summary-icon {
      font-size: 40px;
    }

    .milk-summary-info {
      flex: 1;
    }

    .milk-summary-label {
      font-size: 13px;
      color: #A99BAA;
      margin-bottom: 4px;
    }

    .milk-summary-total {
      font-size: 32px;
      font-weight: 700;
      color: #FF9EBB;
      line-height: 1.2;
    }

    .milk-summary-unit {
      font-size: 14px;
      font-weight: 400;
      color: #A99BAA;
    }

    .milk-summary-count {
      font-size: 14px;
      color: #A99BAA;
      text-align: center;
      background: rgba(255, 255, 255, 0.7);
      padding: 8px 16px;
      border-radius: 12px;
    }

    .milk-date-filter {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
    }

    .milk-date-filter .form-label {
      margin-bottom: 0;
      white-space: nowrap;
    }

    .milk-date-input {
      max-width: 200px;
    }

    .milk-record-list {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .milk-record-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 14px 16px;
      background: #FFFAFB;
      border-radius: 14px;
      border: 1px solid #F8E8EF;
      transition: transform 0.15s ease, box-shadow 0.15s ease;
    }

    .milk-record-item:hover {
      transform: translateY(-1px);
      box-shadow: 0 3px 10px rgba(255, 158, 187, 0.15);
    }

    .milk-record-left {
      flex: 0 0 auto;
    }

    .milk-record-time {
      font-size: 15px;
      font-weight: 500;
      color: #5D4E60;
    }

    .milk-record-center {
      flex: 1;
      text-align: center;
    }

    .milk-record-amount {
      font-size: 22px;
      font-weight: 700;
      color: #FF9EBB;
    }

    .milk-record-unit {
      font-size: 13px;
      font-weight: 400;
      color: #A99BAA;
    }

    .milk-record-right {
      flex: 0 0 auto;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .milk-record-running {
      font-size: 12px;
      color: #87CEEB;
      font-weight: 600;
      white-space: nowrap;
    }

    @media (max-width: 600px) {
      .milk-record-item {
        flex-wrap: wrap;
      }
      .milk-record-right {
        width: 100%;
        justify-content: flex-end;
        padding-top: 4px;
        border-top: 1px dashed #F0E0E8;
      }
    }

    /* 奶类型选择 */
    .milk-type-group {
      display: flex;
      gap: 12px;
    }

    .milk-type-option {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 10px 20px;
      border-radius: 24px;
      border: 2px solid #F0E0E8;
      cursor: pointer;
      font-size: 14px;
      transition: all 0.2s;
      user-select: none;
    }

    .milk-type-option:hover {
      border-color: #FF9EBB;
    }

    .milk-type-option input[type="radio"] {
      display: none;
    }

    .milk-type-option:has(input:checked) {
      border-color: #FF9EBB;
      background: #FFF0F5;
      box-shadow: 0 0 0 2px rgba(255, 158, 187, 0.2);
    }

    .milk-type-option input[type="radio"]:checked + .milk-type-option {
      border-color: #FF9EBB;
      background: #FFF0F5;
    }

    /* 奶类型标签 */
    .milk-record-type {
      font-size: 11px;
      font-weight: 600;
      padding: 2px 10px;
      border-radius: 20px;
      display: inline-block;
      margin-top: 2px;
    }

    .type-breast {
      background: #FFF0F5;
      color: #FF9EBB;
    }

    .type-formula {
      background: #F0F8FF;
      color: #87CEEB;
    }

    /* 奶类型分类汇总 */
    .milk-type-summary {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      margin-top: 12px;
      padding: 14px 20px;
      background: rgba(255, 240, 245, 0.4);
      border-radius: 14px;
    }

    .milk-type-summary-item {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .milk-type-summary-icon {
      font-size: 18px;
    }

    .milk-type-summary-text {
      font-size: 13px;
      color: #A99BAA;
    }

    .milk-type-summary-val {
      font-size: 16px;
      font-weight: 700;
      color: #5D4E60;
    }

    .milk-type-summary-divider {
      width: 1px;
      height: 24px;
      background: #F0E0E8;
    }