html, body {
    background: var(--bg-base-default);
    color: var(--text-default);
    font-family: var(--body-base-font-family), "Microsoft YaHei", "微软雅黑", -apple-system, BlinkMacSystemFont, sans-serif;
    margin: 0;
    padding: 0;
  }

  /* 顶部导航栏 — 与其他页面一致 */
  .navbar {
    position: sticky; top: 0; z-index: 50;
    display: flex; align-items: center; justify-content: space-between;
    height: 56px; padding: 0 var(--spacer-24);
    background: var(--bg-base-secondary); border-bottom: 1px solid var(--border-neutral-l1);
  }
  .navbar__brand {
    display: inline-flex; align-items: center; gap: var(--spacer-8);
    font-family: var(--heading-sm-font-family); font-size: var(--heading-sm-font-size);
    line-height: var(--heading-sm-line-height); font-weight: var(--heading-sm-font-weight);
    color: var(--text-default); text-decoration: none;
  }
  .navbar__brand-icon { width: 36px; height: 36px; object-fit: contain; }
  .navbar__nav { display: inline-flex; align-items: center; gap: var(--spacer-4); }
  .navbar__link {
    display: inline-flex; align-items: center; gap: var(--spacer-6);
    height: 32px; padding: 0 var(--spacer-12); border-radius: var(--radius-8);
    font-size: var(--body-base-font-size); line-height: var(--body-base-line-height);
    color: var(--text-secondary); text-decoration: none; transition: background .12s ease, color .12s ease;
  }
  .navbar__link:hover { background: var(--bg-overlay-l2); color: var(--text-default); }
  .navbar__link.is-active { background: var(--bg-overlay-l1); color: var(--text-default); font-weight: var(--font-weight-medium); }
  .navbar__divider { width: 1px; height: 20px; background: var(--border-neutral-l1); margin: 0 var(--spacer-8); }
  .navbar__user { display: inline-flex; align-items: center; gap: var(--spacer-8); font-size: var(--body-sm-font-size); color: var(--text-secondary); }

  /* 主按钮（紫色背景）内的黑色图标在深色背景上看不清，反转为白色 */
  .ds-btn--brand img { filter: brightness(0) invert(1); }

  .page-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }

  .apps-main {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: var(--spacer-32) var(--spacer-24) var(--spacer-64);
    box-sizing: border-box;
  }

  /* ===== 渐变 Hero（对齐移动端应用页：问候语 + 日期 + 应用数 + 彩点 chips + 光斑装饰） ===== */
  .apps-hero {
    position: relative;
    overflow: hidden;
    border-radius: 18px;
    padding: 26px 28px 24px;
    background: linear-gradient(135deg, #5570FF 0%, #7A64FF 52%, #9D6BFF 100%);
    color: #fff;
    margin-bottom: var(--spacer-24);
    box-shadow: 0 10px 26px rgba(101, 106, 255, 0.35);
  }
  .apps-hero::before, .apps-hero::after {
    content: ""; position: absolute; border-radius: 50%;
    background: rgba(255, 255, 255, 0.14); pointer-events: none;
  }
  .apps-hero::before { width: 230px; height: 230px; right: -70px; top: -105px; }
  .apps-hero::after { width: 130px; height: 130px; right: 95px; bottom: -85px; background: rgba(255, 255, 255, 0.09); }
  .apps-hero__hi { position: relative; z-index: 1; font: 700 24px/34px var(--body-base-font-family); }
  .apps-hero__sub { position: relative; z-index: 1; margin-top: 5px; font: var(--body-base-font-size)/22px var(--body-base-font-family); opacity: 0.92; }
  .apps-hero__chips { position: relative; z-index: 1; display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
  .apps-hero__chip {
    display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px;
    border-radius: 999px; background: rgba(255, 255, 255, 0.26);
    font: 500 12.5px/16px var(--body-sm-font-family);
  }
  .apps-hero__dot { width: 6px; height: 6px; border-radius: 50%; display: inline-block; }

  .apps-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: var(--spacer-20);
  }



  /* 权限提示弹窗（与 admin 一致） */
  .modal-overlay { position: fixed; inset: 0; z-index: 100; display: none; align-items: center; justify-content: center; background: var(--bg-overlay-l4); }
  .modal-overlay.is-visible { display: flex; animation: fadeInOverlay .2s ease-out; }
  .ds-dialog__head { display:flex; align-items:center; justify-content:space-between; padding: var(--spacer-12) var(--spacer-16); border-bottom: 1px solid var(--border-neutral-l1); }
  .ds-dialog__title { font: 600 var(--body-base-font-size)/var(--body-base-line-height) var(--body-base-font-family); color: var(--text-default); }
  .ds-dialog__close { background: none; border: none; cursor: pointer; padding: 4px; display: inline-flex; align-items: center; justify-content: center; border-radius: var(--radius-8); }
  .ds-dialog__close:hover { background: var(--bg-overlay-l1); }
  .ds-dialog__body { padding: var(--spacer-20) var(--spacer-16); }
  .ds-dialog__foot { display: flex; justify-content: flex-end; gap: var(--spacer-8); padding: var(--spacer-12) var(--spacer-16); border-top: 1px solid var(--border-neutral-l1); }
  .ds-dialog { background: #fff; border-radius: var(--radius-12, 12px); box-shadow: 0 20px 50px rgba(15, 23, 42, 0.20); overflow: hidden; }
  .ds-btn--brand { background: var(--bg-brand, #5368ff); color: #fff; border: 1px solid var(--bg-brand, #5368ff); padding: 6px 14px; border-radius: var(--radius-8, 8px); cursor: pointer; font: 500 var(--body-sm-font-size)/var(--body-sm-line-height) var(--body-sm-font-family); }
  .ds-btn--brand:hover { opacity: 0.92; }
  @keyframes fadeInOverlay { from { opacity: 0; } to { opacity: 1; } }


  .app-slot-empty {
    border: 1px dashed var(--border-neutral-l2);
    background: transparent;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font: var(--body-sm-font-size)/var(--body-sm-line-height) var(--body-sm-font-family);
  }

  .apps-empty {
    grid-column: 1 / -1;
    padding: var(--spacer-48) var(--spacer-24);
    text-align: center;
    color: var(--text-secondary);
    background: var(--bg-base-secondary);
    border-radius: var(--radius-16, 16px);
    border: 1px dashed var(--border-neutral-l2);
  }
  .apps-empty img {
    width: 48px; height: 48px; opacity: 0.4; margin-bottom: var(--spacer-12);
  }

  @media (max-width: 960px) {
    .apps-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  }
  @media (max-width: 600px) {
    .apps-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  }

  /* ===== 智能应用卡片（对齐移动端：粉彩 duotone 图标块 + 横排布局 + 未授权橙胶囊） ===== */
  .apps-grid { grid-template-columns: repeat(auto-fill, minmax(224px, 1fr)); gap: var(--spacer-16); }
  .app-card {
    position: relative; display: flex; flex-direction: column; padding: var(--spacer-16);
    background: #fff; border: 1px solid rgba(16, 24, 40, 0.05); border-radius: var(--radius-16, 16px);
    cursor: pointer; box-sizing: border-box; box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  }
  .app-card:hover {
    transform: translateY(-3px);
    border-color: color-mix(in srgb, var(--accent, #3370ff) 45%, var(--border-neutral-l1));
    box-shadow: 0 12px 28px color-mix(in srgb, var(--accent, #3370ff) 16%, rgba(15, 23, 42, 0.08));
  }
  .app-card.is-locked { cursor: not-allowed; opacity: 0.6; }
  .app-card.is-locked:hover { transform: none; box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04); border-color: rgba(16, 24, 40, 0.05); }
  .app-card__top { display: flex; align-items: center; gap: 12px; min-width: 0; margin-bottom: 11px; padding-right: 8px; }
  /* duotone 图标块：同色浅渐变底 + 深色同系图标 + 细描边 + 柔投影（颜色由 JS inline style 注入） */
  .app-card__logo {
    position: relative; width: 48px; height: 48px; border-radius: 14px; flex-shrink: 0;
    display: inline-flex; align-items: center; justify-content: center;
    transition: transform 0.18s ease;
  }
  .app-card:hover .app-card__logo { transform: scale(1.06); }
  .app-card__logo > svg { width: 26px; height: 26px; display: block; }
  .app-card__logo > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; border-radius: inherit; display: block; }
  /* GPT-image 扁平图稿自带造型与色彩，不叠加旧图标底板、渐变或阴影。 */
  .app-card .app-card__logo--flat {
    width: var(--spacer-48); height: var(--spacer-48);
    background: transparent; background-image: none; box-shadow: none;
    border: 0; border-radius: var(--radius-0);
  }
  .app-card__logo--flat > .app-card__flat-art {
    position: static; width: 100%; height: 100%; object-fit: contain;
    border-radius: var(--radius-0); filter: none;
  }
  @media (max-width: 768px) {
    .app-card .app-card__logo--flat {
      width: calc(var(--spacer-40) + var(--spacer-4));
      height: calc(var(--spacer-40) + var(--spacer-4));
    }
  }
  .app-card__name {
    flex: 1; min-width: 0;
    font: 600 15px/21px var(--body-base-font-family); color: var(--text-default);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }
  .app-card__lock-badge {
    position: absolute; top: 12px; right: 12px;
    font: 600 11px/14px var(--body-sm-font-family);
    color: var(--status-warning-strong, #b25e02);
    background: rgba(245, 158, 11, 0.12);
    padding: 3px 9px; border-radius: 999px;
  }
  .app-card__desc {
    font: var(--body-sm-font-size)/20px var(--body-sm-font-family); color: var(--text-secondary); margin: 0 0 var(--spacer-16);
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    min-height: 40px;
  }
  .app-card__foot { margin-top: auto; display: flex; align-items: center; min-height: 18px; }
  .app-card__go {
    display: inline-flex; align-items: center; gap: 4px;
    font: 500 var(--body-sm-font-size)/18px var(--body-sm-font-family);
    color: var(--accent, #3370ff); opacity: 0; transform: translateX(-4px); transition: opacity 0.18s ease, transform 0.18s ease;
  }
  .app-card:hover .app-card__go { opacity: 1; transform: none; }
  .app-card.is-locked .app-card__go { color: var(--text-tertiary); opacity: 1; transform: none; }
  .app-card__go img { width: 14px; height: 14px; }

  /* ===== 移动端适配 (html.is-mobile / ≤768px) ===== */
  /* 触屏设备：悬停反馈改静态，进入箭头常显（否则触屏看不到任何入口提示） */
  html.is-mobile .app-card:hover { transform: none; box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04); }
  html.is-mobile .app-card:hover .app-card__logo { transform: none; }
  html.is-mobile .app-card__go { opacity: 1; transform: none; }

  @media (max-width: 768px) {
    .apps-main { padding: var(--spacer-20) var(--spacer-16) var(--spacer-48); }
    .apps-hero { padding: 20px 18px 18px; border-radius: 16px; margin-bottom: var(--spacer-16); }
    .apps-hero__hi { font: 700 20px/28px var(--body-base-font-family); }
    .apps-hero__sub { font-size: 13px; }
    .apps-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--spacer-12); }
    .app-card { padding: var(--spacer-16); border-radius: var(--radius-12, 12px); }
    .app-card__logo { width: 44px; height: 44px; border-radius: 12px; }
    .app-card__logo > svg { width: 24px; height: 24px; }
    .app-card__name { font: 600 14px/20px var(--body-base-font-family); }
    .app-card__desc { font-size: 13px; }
  }
  @media (max-width: 480px) {
    .apps-main { padding: var(--spacer-16) var(--spacer-12) var(--spacer-40); }
    /* 小屏改单列大卡，描述可读性更好 */
    .apps-grid { grid-template-columns: 1fr; }
  }