* { box-sizing: border-box; margin: 0; padding: 0; }
  :root {
    /* Glassmorphism 深色微光调色盘 */
    --canvas-default: #06080f;
    --canvas-subtle: rgba(255,255,255,0.04);
    --canvas-inset: rgba(0,0,0,0.35);
    --glass-bg: rgba(18,22,34,0.55);
    --glass-bg-strong: rgba(22,28,45,0.72);
    --border-default: rgba(255,255,255,0.08);
    --border-muted: rgba(255,255,255,0.05);
    --border-bright: rgba(120,160,255,0.35);
    --fg-default: #e8edf7;
    --fg-muted: #9aa3b8;
    --fg-subtle: #6a7287;
    --accent-fg: #6ea8ff;
    --accent-emphasis: #4f86ff;
    --accent-subtle: rgba(110,168,255,0.18);
    --accent-glow: rgba(110,168,255,0.45);
    --success-fg: #4cd39b;
    --success-emphasis: #28a074;
    --success-glow: rgba(76,211,155,0.45);
    --danger-fg: #ff6b6b;
    --danger-emphasis: #e23b3b;
    --danger-glow: rgba(255,107,107,0.45);
    --attention-fg: #ffc866;
    --font-ui: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
      "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC",
      "Noto Sans SC", "Microsoft YaHei UI", "Microsoft YaHei", Arial,
      "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
    --font-mono: ui-monospace, "SFMono-Regular", "SF Mono", Menlo, Monaco,
      Consolas, "Liberation Mono", monospace;
    --radius-lg: 14px;
    --radius-md: 10px;
    --radius-sm: 8px;
    /* ===== 响应式基线变量(默认桌面端) ===== */
    --container-max: 1440px;
    --container-pad-x: 20px;
    --header-pad-t: 44px;
    --header-pad-b: 26px;
    --font-h1: 30px;
    --font-h2: 18px;
    --font-base: 14px;
    --font-sm: 13px;
    --font-xs: 12px;
    --font-xxs: 11px;
    --line-height: 1.5;
    --tap-size: 40px;      /* 最小触控目标 */
    --tap-size-sm: 32px;   /* 次要控件触控目标 */
    --gap-section: 24px;
    --gap-card: 14px;
    --gap-item: 10px;
    --pad-btn: 10px 20px;
    --pad-btn-sm: 7px 14px;
    --pad-card: 16px 18px;
    --pad-tcard: 14px 15px;
    --pad-input: 10px 14px;
  }
  html { color-scheme: dark; background: var(--canvas-default); }
  html, body { min-height: 100vh; max-width: 100%; }
  body, button, input, select, textarea { font-family: var(--font-ui); }
  code, kbd, samp, pre { font-family: var(--font-mono); }
  body {
    font-weight: 400;
    background: var(--canvas-default);
    color: var(--fg-default);
    line-height: 1.5;
    position: relative;
    overflow-x: hidden;
    overflow-x: clip;
    transition: background-color 0.2s ease, color 0.2s ease;
  }
  /* 背景:深色 + 多层径向光斑(微光) */
  body::before, body::after {
    content: '';
    position: fixed;
    pointer-events: none;
    z-index: 0;
    filter: blur(100px);
    opacity: 0.55;
    border-radius: 50%;
  }
  body::before {
    width: 600px; height: 600px;
    background: radial-gradient(circle, #3a5bff 0%, transparent 60%);
    top: -180px; left: -160px;
    animation: float1 22s ease-in-out infinite alternate;
  }
  body::after {
    width: 720px; height: 720px;
    background: radial-gradient(circle, #9a3bff 0%, transparent 60%);
    bottom: -220px; right: -180px;
    animation: float2 28s ease-in-out infinite alternate;
  }
  @keyframes float1 {
    0%   { transform: translate(0,0) scale(1); }
    100% { transform: translate(80px,60px) scale(1.12); }
  }
  @keyframes float2 {
    0%   { transform: translate(0,0) scale(1); }
    100% { transform: translate(-70px,-50px) scale(1.15); }
  }
  header, main, footer, #settingsMask, #settingsPanel { position: relative; z-index: 1; }
  a { color: var(--accent-fg); text-decoration: none; }
  a:hover { text-decoration: underline; }

  header {
    padding: var(--header-pad-t) var(--container-pad-x) var(--header-pad-b);
    text-align: center;
    border-bottom: 1px solid var(--border-default);
    background:
      linear-gradient(180deg, rgba(6,8,15,0.3) 0%, rgba(12,18,36,0.35) 70%, rgba(6,8,15,0.1) 100%);
    backdrop-filter: blur(14px) saturate(160%);
    -webkit-backdrop-filter: blur(14px) saturate(160%);
  }
  header h1 {
    font-size: var(--font-h1);
    font-weight: 700;
    margin-bottom: 8px;
    cursor: pointer;
    display: inline-block;
    letter-spacing: 0;
    background: linear-gradient(135deg, #e8edf7 0%, #9ac0ff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: filter 0.2s;
  }
  header h1:hover { filter: drop-shadow(0 0 12px var(--accent-glow)); }
  header p { color: var(--fg-muted); font-size: var(--font-base); }
  .header-title-row { position: relative; min-height: 40px; }
  .theme-toggle {
    position: absolute;
    top: 50%;
    right: 0;
    width: 40px;
    height: 40px;
    padding: 0;
    transform: translateY(-50%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    background: var(--glass-bg-strong);
    color: var(--fg-default);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.04), 0 4px 14px rgba(0,0,0,0.18);
    cursor: pointer;
    overflow: hidden;
    backdrop-filter: blur(14px) saturate(150%);
    -webkit-backdrop-filter: blur(14px) saturate(150%);
    transition: border-color 0.18s, color 0.18s, background-color 0.18s, box-shadow 0.18s;
  }
  .theme-toggle:hover {
    border-color: var(--border-bright);
    color: var(--accent-fg);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.06), 0 6px 18px rgba(0,0,0,0.22);
  }
  .theme-toggle:focus-visible {
    outline: 2px solid var(--accent-fg);
    outline-offset: 3px;
  }
  .theme-toggle-icon {
    position: relative;
    display: grid;
    place-items: center;
    width: 20px;
    height: 20px;
    transition: transform 0.18s ease;
  }
  .theme-toggle:hover .theme-toggle-icon { transform: scale(1.08); }
  .theme-icon {
    grid-area: 1 / 1;
    width: 20px;
    height: 20px;
    transition: opacity 0.18s ease, transform 0.22s ease;
  }
  .theme-icon-sun,
  .theme-toggle[data-target-theme="dark"] .theme-icon-sun {
    opacity: 0;
    transform: rotate(-45deg) scale(0.65);
  }
  .theme-icon-moon,
  .theme-toggle[data-target-theme="light"] .theme-icon-moon {
    opacity: 0;
    transform: rotate(45deg) scale(0.65);
  }
  .theme-toggle[data-target-theme="light"] .theme-icon-sun,
  .theme-toggle[data-target-theme="dark"] .theme-icon-moon {
    opacity: 1;
    transform: rotate(0) scale(1);
  }
  .theme-toggle[data-target-theme="light"] { color: var(--attention-fg); }

  .search-bar { max-width: var(--container-max); margin: 24px auto 0; }
  .search-box {
    display: flex; gap: 10px; flex-wrap: wrap;
    padding: 10px; border-radius: 16px;
    background: var(--glass-bg);
    border: 1px solid var(--border-default);
    backdrop-filter: blur(18px) saturate(160%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
    box-shadow: 0 18px 50px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.04);
    position: relative; z-index: 20;  /* 确保下拉列表能浮在热榜区域之上 */
  }
  .search-box input {
    flex: 1; min-width: 240px; padding: var(--pad-input);
    background: rgba(0,0,0,0.28);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm); color: var(--fg-default); font-size: var(--font-base); outline: none;
    transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
  }
  .search-box input::placeholder { color: var(--fg-subtle); }
  .search-box input:focus {
    border-color: var(--accent-fg);
    box-shadow: 0 0 0 3px var(--accent-subtle), 0 0 22px var(--accent-glow);
    background: rgba(0,0,0,0.35);
  }
  select {
    padding: 9px 12px;
    /* 深色主题:使用 GitHub 深蓝灰 #161b22 作为 select 与 option 的统一实色背景。
       - 显式 color-scheme: dark 让浏览器按深色模式渲染原生下拉容器
       - 同时给 select 和 option 设置相同的 #161b22,确保容器底部空白区域与 option 一致,
         不再出现"灰边"或"白底"。#161b22 契合 GitHub 深色 canvas-subtle 配色。 */
    background: #161b22;
    color-scheme: dark;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm); color: var(--fg-default); font-size: 13px; outline: none; cursor: pointer;
    transition: border-color 0.15s, box-shadow 0.15s;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
  select:hover { border-color: var(--border-bright); box-shadow: 0 0 14px rgba(120,160,255,0.2); }
  select:focus { border-color: var(--accent-fg); box-shadow: 0 0 0 3px var(--accent-subtle); }
  /* 深色主题:option 背景与 select 保持一致,避免容器底部出现色差 */
  select option {
    background: #161b22;
    color: var(--fg-default);
  }
  select option:checked,
  select option:hover {
    background: var(--accent-emphasis);
    color: #fff;
  }

  /* ---------- 自定义下拉组件(.cs)----------
     替代原生 <select> 的可见 UI,原生 select 已隐藏。
     深色:深蓝灰 #161b22(GitHub canvas-subtle);浅色:#ffffff。 */
  .cs {
    position: relative;
    display: inline-block;
    min-width: 0;
    vertical-align: middle;
  }
  .cs-trigger {
    display: flex;
    align-items: center;
    gap: 6px;
    width: 100%;
    padding: 9px 12px;
    background: #161b22;
    color: var(--fg-default);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    outline: none;
    text-align: left;
    transition: border-color 0.15s, box-shadow 0.15s;
  }
  .cs-trigger:hover { border-color: var(--border-bright); box-shadow: 0 0 14px rgba(120,160,255,0.2); }
  .cs-trigger:focus { border-color: var(--accent-fg); box-shadow: 0 0 0 3px var(--accent-subtle); }
  .cs-value {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .cs-arrow {
    flex-shrink: 0;
    font-size: 10px;
    opacity: 0.7;
    line-height: 1;
    transform: rotate(0deg);
    transition: transform 0.2s;
  }
  .cs-trigger[aria-expanded="true"] .cs-arrow { transform: rotate(180deg); }
  .cs-options {
    position: absolute;
    max-width: 320px;
    max-height: 280px;
    overflow-y: auto;
    overflow-x: hidden;
    background: #161b22;
    color: var(--fg-default);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    box-shadow: 0 8px 24px rgba(0,0,0,0.5);
    list-style: none;
    margin: 0;
    padding: 4px;
    z-index: 9999;  /* body 层级,必须高于一切页面元素(含 header/main/modal-backdrop) */
    font-size: 13px;
    font-family: var(--font-ui);
    line-height: 1.4;
  }
  .cs-option {
    padding: 8px 12px;
    cursor: pointer;
    border-radius: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--fg-default);
    outline: none;
    font-size: 13px;
    line-height: 1.4;
    transition: background-color 0.1s, color 0.1s;
  }
  .cs-option:hover,
  .cs-option:focus {
    background: var(--accent-emphasis);
    color: #fff;
  }
  .cs-option.cs-selected {
    background: var(--accent-subtle);
    color: var(--accent-fg);
    font-weight: 500;
  }
  .cs-option.cs-selected:hover,
  .cs-option.cs-selected:focus {
    background: var(--accent-emphasis);
    color: #fff;
  }
  /* filter-bar 中的 trigger 使用更小的 padding 和字号 */
  .filter-bar .cs-trigger { padding: 7px 10px; font-size: 12px; }
  .filter-bar .cs-options { font-size: 12px; }
  .filter-bar .cs-option { font-size: 12px; padding: 7px 10px; }

  button.primary {
    padding: var(--pad-btn);
    color: #06111a; font-weight: 600;
    background: linear-gradient(135deg, #8cc1ff 0%, #4f86ff 100%);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: var(--radius-sm); font-size: 14px;
    cursor: pointer; transition: transform 0.12s, box-shadow 0.15s, filter 0.15s;
    box-shadow: 0 8px 22px rgba(79,134,255,0.35), inset 0 1px 0 rgba(255,255,255,0.25);
  }
  button.primary:hover { filter: brightness(1.08); box-shadow: 0 10px 30px rgba(79,134,255,0.55), inset 0 1px 0 rgba(255,255,255,0.3); }
  button.primary:active { transform: translateY(1px); }
  button.primary:disabled { opacity: 0.6; cursor: not-allowed; filter: grayscale(0.4); }
  button.btn {
    padding: var(--pad-btn);
    color: #fff; font-weight: 600;
    background: linear-gradient(135deg, #ff8686 0%, #e23b3b 100%);
    border: 1px solid rgba(255,255,255,0.18);
    border-radius: var(--radius-sm); font-size: 14px;
    cursor: pointer; transition: transform 0.12s, box-shadow 0.15s, filter 0.15s;
    box-shadow: 0 8px 22px rgba(226,59,59,0.32), inset 0 1px 0 rgba(255,255,255,0.2);
  }
  button.btn:hover { filter: brightness(1.08); box-shadow: 0 10px 30px rgba(226,59,59,0.5), inset 0 1px 0 rgba(255,255,255,0.25); }
  button.btn:active { transform: translateY(1px); }
  button.btn-sm { padding: 7px 14px; font-size: 12px; border-radius: var(--radius-sm); box-shadow: 0 6px 16px rgba(226,59,59,0.22); }
  button.link {
    background: none; border: none; color: var(--accent-fg); font-size: 12px;
    cursor: pointer; padding: 4px 8px; border-radius: 4px;
  }
  button.link:hover { background: var(--accent-subtle); }

  .filter-bar {
    display: flex; gap: 10px; flex-wrap: wrap; align-items: center;
    margin-top: 14px; color: var(--fg-muted);
    padding: 10px 12px; border-radius: 14px;
    background: var(--glass-bg); border: 1px solid var(--border-default);
    backdrop-filter: blur(14px) saturate(160%);
    -webkit-backdrop-filter: blur(14px) saturate(160%);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.03);
    position: relative; z-index: 20;  /* 确保下拉列表能浮在热榜区域之上 */
  }
  .filter-bar .filter-left {
    display: inline-flex; gap: 10px; align-items: center; flex-wrap: wrap; flex-shrink: 0;
    min-width: 0;
  }
  .filter-bar select { background: #161b22; padding: 7px 10px; font-size: 12px; }
  .filter-bar .hint {
    font-size: 12px; color: var(--fg-subtle);
    margin-left: auto;   /* 把「清除搜索历史」推到最右 */
    flex-shrink: 1;
    white-space: nowrap;
  }
  .filter-bar #clearHistory { flex-shrink: 0; }
  .filter-bar code { background: rgba(110,168,255,0.08); padding: 2px 6px; border-radius: 4px; font-size: 11px; color: var(--fg-muted); border: 1px solid rgba(110,168,255,0.14); }

  .history {
    margin-top: 10px; display: flex; gap: 6px; flex-wrap: wrap; align-items: center;
    padding: 8px 12px; border-radius: 12px;
    background: rgba(255,255,255,0.02); border: 1px solid var(--border-muted);
  }
  .history:empty { display: none; }
  .history-label { color: var(--fg-subtle); font-size: 12px; align-self: center; }
  .chip {
    display: inline-flex; align-items: center; gap: 4px; padding: 4px 12px;
    background: var(--glass-bg); border: 1px solid var(--border-default);
    border-radius: 999px; color: var(--fg-muted); font-size: 12px; cursor: pointer;
    transition: all 0.15s; backdrop-filter: blur(10px);
  }
  .chip:hover {
    border-color: var(--border-bright); color: var(--accent-fg);
    box-shadow: 0 0 14px rgba(120,160,255,0.22);
    transform: translateY(-1px);
  }
  .chip .x { opacity: 0.7; padding: 0 3px; border-radius: 999px; }
  .chip .x:hover { opacity: 1; background: var(--danger-fg); color: #fff; box-shadow: 0 0 10px var(--danger-glow); }

  main {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-pad-x) 60px;
  }

  .section-title { display: flex; align-items: baseline; gap: 10px; margin: 32px 0 16px; flex-wrap: wrap; }
  .section-title h2 {
    font-size: 18px; font-weight: 600;
    background: linear-gradient(135deg, #e8edf7 0%, #9ac0ff 100%);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  }
  .section-title .sub { color: var(--fg-muted); font-size: 13px; }
  .section-title .live {
    display: inline-flex; align-items: center; gap: 5px; font-size: 12px;
    color: var(--success-fg); background: rgba(76,211,155,0.12); border: 1px solid rgba(76,211,155,0.3);
    padding: 2px 10px; border-radius: 999px;
    box-shadow: 0 0 12px var(--success-glow);
  }
  .section-title .live::before {
    content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--success-fg);
    animation: pulse 1.6s infinite;
  }
  @keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.35;transform:scale(0.85)} }

  .status { text-align: center; color: var(--fg-muted); padding: 32px 0; font-size: 14px; }
  .status.error { color: var(--danger-fg); }
  .status button.retry {
    margin-top: 14px; padding: 7px 16px;
    background: var(--glass-bg); border: 1px solid var(--border-default);
    border-radius: var(--radius-sm); color: var(--accent-fg); cursor: pointer;
    backdrop-filter: blur(12px);
  }
  .status button.retry:hover { border-color: var(--accent-fg); box-shadow: 0 0 18px var(--accent-glow); }

  /* 热门网格(一行 5 个) */
  .trending-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 14px;
  }
  @media (max-width: 1100px) { .trending-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
  @media (max-width: 880px)  { .trending-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
  @media (max-width: 600px)  { .trending-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
  .tcard {
    background: var(--glass-bg);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: 14px 15px; display: flex; flex-direction: column;
    gap: 7px; height: 246px; overflow: hidden;
    backdrop-filter: blur(16px) saturate(160%);
    -webkit-backdrop-filter: blur(16px) saturate(160%);
    transition: border-color 0.2s, transform 0.2s, box-shadow 0.25s;
    position: relative; min-width: 0;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.04), 0 10px 24px rgba(0,0,0,0.28);
  }
  /* 悬浮微光:伪元素渐变边框扫光 */
  .tcard::before {
    content: ''; position: absolute; inset: -1px; border-radius: inherit;
    background: linear-gradient(135deg, rgba(120,160,255,0.55), rgba(154,59,255,0.35) 50%, rgba(120,160,255,0.1));
    opacity: 0; transition: opacity 0.25s; z-index: -1; filter: blur(1px);
  }
  .tcard:hover {
    border-color: var(--border-bright);
    transform: translateY(-3px);
    box-shadow: 0 16px 40px rgba(16,22,42,0.55), 0 0 30px var(--accent-glow);
  }
  .tcard:hover::before { opacity: 1; }
  .tcard-title { display: flex; flex-direction: row; align-items: center; gap: 8px; }
  .tcard-title .avatar {
    width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0;
    background: var(--canvas-inset); border: 1px solid var(--border-default);
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  }
  .tcard-title .tname { display: flex; flex: 1; flex-direction: column; gap: 1px; min-width: 0; }
  .tcard-title .owner { color: var(--fg-muted); font-size: 12px; }
  .tcard-title a {
    color: var(--accent-fg); font-size: 14px; font-weight: 600; word-break: break-all;
    transition: text-shadow 0.2s;
  }
  .tcard-title a:hover { text-shadow: 0 0 10px var(--accent-glow); text-decoration: none; }
  .tcard-desc {
    color: var(--fg-muted); font-size: 12px; line-height: 1.55; flex: 1; overflow: hidden;
    display: -webkit-box; display: box;
    line-clamp: 4; -webkit-line-clamp: 4;
    box-orient: vertical; -webkit-box-orient: vertical;
    word-break: break-word;
  }
  .tcard-desc.loading { color: var(--fg-subtle); font-style: italic; }
  .tcard-meta {
    display: flex; gap: 10px; flex-wrap: wrap; color: var(--fg-muted); font-size: 11px;
    padding-top: 8px; border-top: 1px solid var(--border-muted); margin-top: auto;
  }
  .tcard-meta span { display: inline-flex; align-items: center; gap: 3px; min-width: 0; }
  .tcard-meta .time { margin-left: auto; color: var(--fg-subtle); }

  /* 搜索结果 */
  .results-header { margin: 32px 0 14px; color: var(--fg-muted); font-size: 13px; }
  .results-header b { color: var(--fg-default); }
  .repo-list { display: flex; flex-direction: column; gap: 10px; }
  .repo {
    background: var(--glass-bg);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md); padding: 16px 18px;
    backdrop-filter: blur(16px) saturate(160%);
    -webkit-backdrop-filter: blur(16px) saturate(160%);
    transition: border-color 0.2s, transform 0.2s, box-shadow 0.25s;
    position: relative; overflow: hidden;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.04), 0 10px 26px rgba(0,0,0,0.3);
  }
  .repo::before {
    content: ''; position: absolute; inset: -1px; border-radius: inherit; pointer-events: none;
    background: linear-gradient(135deg, rgba(120,160,255,0.45), rgba(154,59,255,0.28) 50%, rgba(120,160,255,0.08));
    opacity: 0; transition: opacity 0.25s; z-index: 0;
  }
  .repo:hover {
    border-color: var(--border-bright);
    transform: translateY(-2px);
    box-shadow: 0 20px 44px rgba(14,18,36,0.55), 0 0 30px var(--accent-glow);
  }
  .repo:hover::before { opacity: 1; }
  .repo > * { position: relative; z-index: 1; }
  .clickable { cursor: pointer; }
  .repo-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 6px; }
  .repo-head .avatar {
    width: 30px; height: 30px; border-radius: 50%; flex-shrink: 0;
    background: var(--canvas-inset); border: 1px solid var(--border-default);
    box-shadow: 0 2px 8px rgba(0,0,0,0.35);
  }
  .repo-head .head-main { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; min-width: 0; flex: 1; }
  .repo-head .full-name {
    color: var(--accent-fg); font-size: 15px; font-weight: 600;
    overflow-wrap: anywhere; transition: text-shadow 0.2s;
  }
  .repo-head .full-name:hover { text-shadow: 0 0 10px var(--accent-glow); text-decoration: none; }
  .repo-head .full-name .owner { color: var(--fg-muted); font-weight: 500; }
  .badge {
    font-size: 11px; padding: 2px 9px; border-radius: 999px;
    background: var(--glass-bg); border: 1px solid var(--border-default);
    color: var(--fg-muted); backdrop-filter: blur(8px);
  }
  .badge.license { color: var(--attention-fg); border-color: rgba(255,200,102,0.35); background: rgba(255,200,102,0.08); }
  .badge.archived { color: var(--danger-fg); border-color: rgba(255,107,107,0.4); background: rgba(255,107,107,0.08); }
  .badge.disabled { color: var(--fg-subtle); border-color: rgba(140,148,168,0.4); background: rgba(140,148,168,0.08); text-decoration: line-through; }
  .badge.template { color: #7ee787; border-color: rgba(63,185,80,0.35); background: rgba(63,185,80,0.08); }
  .badge.mirror   { color: #ff7b72; border-color: rgba(248,81,73,0.35); background: rgba(248,81,73,0.08); }
  /* 关键词高亮(与 GitHub 官方一致的暖黄底,深色模式下自动偏暖金) */
  mark.hl {
    background: rgba(255,217,87,0.38);
    color: inherit;
    padding: 0 1px;
    border-radius: 3px;
    box-shadow: inset 0 -1px 0 rgba(255,217,87,0.5);
  }
  /* 快捷入口图标小按钮(不抢视觉) */
  .quick-links { display: inline-flex; gap: 8px; flex-wrap: wrap; margin-left: auto; align-items: center; }
  .quick-links a {
    color: var(--fg-muted); font-size: 12px; text-decoration: none;
    padding: 2px 8px; border-radius: 999px;
    border: 1px solid var(--border-default);
    background: var(--glass-bg); backdrop-filter: blur(6px);
    max-width: 100%; overflow-wrap: anywhere; transition: all 0.15s;
  }
  .quick-links a:hover {
    color: var(--accent-fg); border-color: var(--accent-fg);
    box-shadow: 0 0 14px var(--accent-glow);
  }
  .repo-desc { color: var(--fg-muted); font-size: 13px; margin: 4px 0 8px; line-height: 1.6;
    display: -webkit-box; display: box;
    line-clamp: 3; -webkit-line-clamp: 3;
    box-orient: vertical; -webkit-box-orient: vertical;
    overflow: hidden; }
  .repo-topics { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
  .topic {
    font-size: 11px; padding: 3px 10px; border-radius: 999px;
    background: var(--accent-subtle); color: var(--accent-fg); cursor: pointer;
    border: 1px solid rgba(110,168,255,0.22);
    transition: all 0.15s;
  }
  .topic:hover { background: rgba(110,168,255,0.3); box-shadow: 0 0 12px var(--accent-glow); transform: translateY(-1px); }
  .repo-meta { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; color: var(--fg-muted); font-size: 12px; padding-top: 10px; border-top: 1px solid var(--border-muted); }
  .repo-meta span { display: inline-flex; align-items: center; gap: 4px; }
  .repo-meta .lang { display: inline-flex; align-items: center; gap: 6px; }
  .lang-dot {
    width: 10px; height: 10px; border-radius: 50%; display: inline-block; background: var(--fg-muted);
    box-shadow: 0 0 8px currentColor;
  }
  .repo-meta a.home {
    display: inline-flex; align-items: center; gap: 4px; margin-left: auto; color: var(--accent-fg);
    padding: 4px 10px; border-radius: 999px;
    background: rgba(110,168,255,0.08); border: 1px solid rgba(110,168,255,0.22);
    transition: all 0.15s;
  }
  .repo-meta a.home:hover { text-decoration: none; box-shadow: 0 0 16px var(--accent-glow); }

  /* 分页控件 */
  .pager {
    display: flex; gap: 8px; justify-content: center; align-items: center;
    margin: 28px 0 10px; flex-wrap: wrap;
  }
  .pager button {
    min-width: 36px; padding: 7px 12px;
    background: var(--glass-bg); border: 1px solid var(--border-default);
    border-radius: var(--radius-sm); color: var(--fg-muted);
    font-size: 13px; cursor: pointer; transition: all 0.15s;
    backdrop-filter: blur(12px);
  }
  .pager button:hover:not(:disabled) {
    border-color: var(--accent-fg); color: var(--accent-fg);
    box-shadow: 0 0 18px var(--accent-glow); transform: translateY(-1px);
  }
  .pager button.active {
    background: linear-gradient(135deg, #8cc1ff, #4f86ff);
    border-color: transparent; color: #06111a; font-weight: 600;
    box-shadow: 0 8px 24px rgba(79,134,255,0.45);
  }
  .pager button:disabled { opacity: 0.4; cursor: not-allowed; }
  .pager .info { color: var(--fg-muted); font-size: 12px; padding: 0 8px; }
  .pager .ellipsis { color: var(--fg-subtle); padding: 0 4px; }

  .trending-pager { margin-top: 16px; }

  footer {
    text-align: center; color: var(--fg-subtle); font-size: 12px; padding: 24px;
    border-top: 1px solid var(--border-default);
    background: rgba(6,8,15,0.3); backdrop-filter: blur(10px);
  }

  /* ============================================================
     响应式断点适配
     断点策略(移动优先,用min-width叠加):
       < 480px   : 小屏手机(默认,继承base)
       481-767px : 大屏手机
       768-1023px: 平板竖屏
       1024-1279px: 平板横屏 / 小笔记本
       1280-1599px: 标准桌面(等于base)
       >= 1600px : 超宽屏(4K/大屏显示器)
     补充: orientation:landscape 针对手机横屏做专门处理
     ============================================================ */

  /* ---- 超宽屏:>1600px ---- */
  @media (min-width: 1600px) {
    :root {
      --container-max: 1680px;
      --container-pad-x: 32px;
      --header-pad-t: 56px;
      --header-pad-b: 32px;
      --font-h1: 34px;
      --font-h2: 20px;
      --font-base: 15px;
      --font-sm: 14px;
      --font-xs: 13px;
      --font-xxs: 12px;
      --gap-section: 32px;
      --gap-card: 18px;
      --gap-item: 12px;
      --pad-card: 20px 22px;
      --pad-tcard: 16px 18px;
    }
    header h1 { font-size: var(--font-h1); }
    header p { font-size: var(--font-xs); }
    .section-title h2 { font-size: var(--font-h2); }
    .trending-grid {
      grid-template-columns: repeat(5, minmax(0, 1fr));
      gap: var(--gap-card);
    }
    .tcard { height: 260px; padding: var(--pad-tcard); }
    .tcard-title a { font-size: 15px; }
    .tcard-desc { font-size: var(--font-xs); line-height: 1.6; }
    .tcard-meta { font-size: var(--font-xxs); gap: 12px; }
    .repo { padding: var(--pad-card); }
    .repo-head .full-name { font-size: 16px; }
    .repo-desc { font-size: 14px; line-height: 1.7; }
    .repo-meta { font-size: 13px; }
  }

  /* ---- 常见 1280/1366px 桌面:为动态出现的历史按钮预留空间 ---- */
  @media (min-width: 1280px) and (max-width: 1399px) {
    .filter-bar .hint {
      min-width: 0;
      flex: 1 1 220px;
      white-space: normal;
      line-height: 1.5;
    }
  }

  /* ---- 平板横屏 / 小笔记本:1024-1279px ---- */
  @media (min-width: 1024px) and (max-width: 1279px) {
    :root {
      --container-max: 1180px;
      --container-pad-x: 24px;
      --header-pad-t: 40px;
      --font-h1: 28px;
      --pad-btn: 10px 18px;
      --tap-size: 44px;
      --tap-size-sm: 44px;
      --gap-card: 14px;
    }
    header h1 { font-size: var(--font-h1); }
    .trending-grid {
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
    }
    .tcard { height: 252px; }
    /* 平板触控:放大按钮最小高度 */
    button.primary, button.btn {
      min-height: var(--tap-size);
      padding: var(--pad-btn);
    }
    .search-box input, select {
      min-height: var(--tap-size);
    }
    .filter-bar .filter-left {
      width: 100%;
      flex-shrink: 1;
    }
    #rerankToggle, #tokenQuickBtn, #proxQuickBtn {
      min-height: var(--tap-size);
      justify-content: center;
      padding: 8px 10px !important;
    }
    .filter-bar .hint {
      order: 2;
      flex: 1 1 320px;
      width: auto;
      margin-left: 0;
      white-space: normal;
    }
    #clearHistory { order: 2; margin-left: auto; }
    .pager button {
      min-height: var(--tap-size-sm);
    }
  }

  /* ---- 平板竖屏:768-1023px ---- */
  @media (min-width: 768px) and (max-width: 1023px) {
    :root {
      --container-pad-x: 18px;
      --header-pad-t: 32px;
      --header-pad-b: 22px;
      --font-h1: 26px;
      --font-h2: 17px;
      --font-base: 14px;
      --tap-size: 44px;
      --tap-size-sm: 44px;
      --gap-item: 10px;
      --pad-btn: 11px 18px;
      --pad-card: 14px 16px;
    }
    header { padding: var(--header-pad-t) var(--container-pad-x) var(--header-pad-b); }
    header h1 { font-size: var(--font-h1); }
    header p { font-size: 13px; line-height: 1.6; }
    main { padding: 0 var(--container-pad-x) 48px; }

    /* 搜索框:平板触控更友好 */
    .search-box {
      gap: 10px;
      padding: 12px;
    }
    .search-box input {
      min-width: 200px;
      min-height: var(--tap-size);
      padding: 12px 14px;
      font-size: 15px;
    }
    select {
      min-height: var(--tap-size);
      padding: 10px 12px;
      font-size: 13px;
    }
    button.primary, button.btn {
      min-height: var(--tap-size);
      padding: var(--pad-btn);
      font-size: 15px;
    }

    /* 筛选栏:换行更有序 */
    .filter-bar {
      gap: 10px;
      padding: 12px 14px;
    }
    .filter-bar .filter-left {
      width: 100%;
      min-width: 0;
      gap: 10px;
      flex-shrink: 1;
    }
    .filter-bar select { padding: 8px 10px; min-height: var(--tap-size-sm); font-size: 12px; }
    #rerankToggle, #tokenQuickBtn, #proxQuickBtn {
      min-height: var(--tap-size);
      justify-content: center;
      padding: 8px 10px !important;
    }
    .filter-bar .hint {
      margin-left: 0;
      order: 99;
      width: auto;
      flex: 1 1 320px;
      white-space: normal;
      line-height: 1.6;
    }
    #clearHistory { order: 99; margin-left: auto; }

    /* 热门网格:平板 3列 */
    .trending-grid {
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
    }
    .tcard {
      height: 258px;
      padding: 14px;
    }
    .tcard-title .avatar { width: 32px; height: 32px; }
    .tcard-title a { font-size: 15px; }
    .tcard-title .owner { font-size: 12px; }
    .tcard-desc { font-size: 12.5px; line-height: 1.6; line-clamp: 4; -webkit-line-clamp: 4; }
    .tcard-meta { font-size: 11.5px; gap: 9px; }

    /* 搜索结果卡片 */
    .section-title { margin: 28px 0 14px; }
    .section-title h2 { font-size: var(--font-h2); }
    .repo-list { gap: 12px; }
    .repo { padding: var(--pad-card); }
    .repo-head { gap: 12px; margin-bottom: 8px; }
    .repo-head .avatar { width: 34px; height: 34px; }
    .repo-head .full-name { font-size: 15px; }
    .repo-desc { font-size: 13.5px; line-height: 1.65; }
    .repo-topics { gap: 7px; }
    .topic { font-size: 11.5px; padding: 4px 11px; }
    .repo-meta { font-size: 12px; gap: 14px; padding-top: 12px; }

    /* 分页触控友好 */
    .pager { gap: 10px; margin: 26px 0 8px; }
    .pager button {
      min-width: 40px;
      min-height: var(--tap-size-sm);
      padding: 9px 14px;
      font-size: 13px;
    }
    .pager .info { font-size: 12px; }

    /* 面板:平板略放大(accuracyPanel 已迁入 mask 内部,用内联样式,不受本规则影响) */
    #settingsPanel, #tokenPanel {
      max-height: 88vh;
      padding: 22px 26px;
    }
    /* 平板端功能说明保留紧凑边距 */
    #accuracyMask { padding: 20px 8px; }
  }

  /* ---- 大屏手机:481-767px ---- */
  @media (min-width: 481px) and (max-width: 767px) {
    :root {
      --container-pad-x: 14px;
      --header-pad-t: 24px;
      --header-pad-b: 18px;
      --font-h1: 22px;
      --font-h2: 16px;
      --font-base: 14px;
      --font-sm: 13px;
      --font-xs: 12px;
      --tap-size: 44px;
      --tap-size-sm: 44px;
      --gap-section: 20px;
      --gap-item: 8px;
      --pad-btn: 11px 16px;
      --pad-card: 14px;
      --pad-tcard: 12px 13px;
      --pad-input: 11px 13px;
    }
    header { padding: var(--header-pad-t) var(--container-pad-x) var(--header-pad-b); }
    header h1 { font-size: var(--font-h1); letter-spacing: 0; }
    header p { font-size: 12.5px; line-height: 1.65; }
    main { padding: 0 var(--container-pad-x) 40px; }

    .search-bar { margin-top: 20px; }
    .search-box {
      gap: 8px;
      padding: 10px;
      border-radius: 14px;
    }
    .search-box input {
      min-width: 0;
      flex-basis: 100%;
      order: 1;
      min-height: var(--tap-size);
      padding: var(--pad-input);
      font-size: 15px; /* 避免 iOS 自动缩放 */
    }
    #sort, .cs-sort { order: 2; flex: 1; min-width: 0; min-height: var(--tap-size); }
    .cs-sort .cs-trigger { min-height: var(--tap-size); }
    #btn { order: 3; flex: 1; min-width: 0; min-height: var(--tap-size); }
    #clear { order: 4; flex: 1; min-width: 0; min-height: var(--tap-size); }
    button.primary, button.btn {
      padding: var(--pad-btn);
      font-size: 14px;
    }

    .filter-bar {
      gap: 8px;
      padding: 10px 12px;
      border-radius: 12px;
    }
    .filter-bar .filter-left {
      width: 100%;
      gap: 8px;
    }
    .filter-bar .filter-left > select,
    .filter-bar .filter-left > .cs {
      flex: 1 1 45%;
      min-width: 0;
      min-height: var(--tap-size-sm);
    }
    .filter-bar .filter-left > .cs .cs-trigger {
      min-height: var(--tap-size-sm);
      padding: 8px 10px;
      font-size: 12px;
    }
    #rerankToggle, #tokenQuickBtn, #proxQuickBtn {
      flex: 1 1 45%;
      min-height: var(--tap-size-sm);
      justify-content: center;
      font-size: 12px;
      padding: 8px 10px !important;
    }
    .filter-bar .hint {
      order: 98;
      width: 100%;
      margin-left: 0;
      white-space: normal;
      line-height: 1.65;
      font-size: 11.5px;
    }
    #clearHistory {
      order: 99;
      width: 100%;
      min-height: var(--tap-size-sm);
      padding: 9px 14px !important;
      font-size: 12.5px !important;
    }

    .history {
      margin-top: 8px;
      padding: 8px 10px;
      gap: 6px;
    }
    .chip {
      min-height: var(--tap-size-sm);
      align-items: center;
      font-size: 12px;
      padding: 5px 12px;
    }

    /* 热门网格:大屏手机 2列 */
    .section-title { margin: 24px 0 12px; }
    .section-title h2 { font-size: var(--font-h2); }
    .trending-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px;
    }
    .tcard {
      height: 244px;
      padding: var(--pad-tcard);
      gap: 6px;
    }
    .tcard-title { gap: 7px; }
    .tcard-title .avatar { width: 28px; height: 28px; }
    .tcard-title .owner { font-size: 11px; }
    .tcard-title a { font-size: 13.5px; line-height: 1.35; }
    .tcard-desc { font-size: 11.5px; line-height: 1.55; line-clamp: 4; -webkit-line-clamp: 4; }
    .tcard-meta { font-size: 10.5px; gap: 7px; padding-top: 7px; }

    /* 搜索结果 */
    .results-header { margin: 24px 0 12px; font-size: 12.5px; line-height: 1.6; }
    .repo-list { gap: 10px; }
    .repo { padding: var(--pad-card); border-radius: 12px; }
    .repo-head {
      gap: 10px;
      margin-bottom: 6px;
      flex-direction: column;
      align-items: flex-start;
    }
    .repo-head > .avatar { width: 32px; height: 32px; }
    .repo-head .head-main {
      width: 100%;
      gap: 6px;
    }
    .repo-head .full-name { font-size: 14.5px; line-height: 1.4; word-break: break-word; }
    .quick-links {
      margin-left: 0;
      width: 100%;
      justify-content: flex-start;
      margin-top: 6px;
      gap: 6px;
    }
    .quick-links a { font-size: 11.5px; padding: 4px 9px; }
    .badge { font-size: 10.5px; padding: 2px 8px; }
    .repo-desc { font-size: 12.5px; line-height: 1.6; margin: 4px 0 7px; }
    .repo-topics { gap: 5px; margin-bottom: 7px; }
    .topic { font-size: 11px; padding: 3px 9px; }
    .repo-meta {
      font-size: 11.5px;
      gap: 10px 14px;
      padding-top: 10px;
    }
    .lang-dot { width: 9px; height: 9px; }

    /* 分页:手机更紧凑但触控友好 */
    .pager { gap: 6px; margin: 22px 0 6px; }
    .pager button {
      min-width: 38px;
      min-height: var(--tap-size-sm);
      padding: 8px 11px;
      font-size: 12.5px;
      border-radius: var(--radius-sm);
    }
    .pager .info { font-size: 11.5px; padding: 0 6px; }
    .pager .ellipsis { padding: 0 2px; }

    footer { padding: 20px 16px; font-size: 11.5px; line-height: 1.7; }
  }

  /* ---- 小屏手机:<=480px ---- */
  @media (max-width: 480px) {
    :root {
      --container-pad-x: 12px;
      --header-pad-t: 18px;
      --header-pad-b: 16px;
      --font-h1: 19px;
      --font-h2: 15px;
      --font-base: 13.5px;
      --font-sm: 12.5px;
      --font-xs: 11.5px;
      --font-xxs: 10.5px;
      --tap-size: 44px;
      --tap-size-sm: 44px;
      --gap-section: 16px;
      --gap-item: 6px;
      --pad-btn: 11px 14px;
      --pad-card: 12px;
      --pad-tcard: 11px 12px;
      --pad-input: 11px 12px;
    }
    html, body { -webkit-text-size-adjust: 100%; }
    header { padding: var(--header-pad-t) var(--container-pad-x) var(--header-pad-b); }
    header h1 {
      font-size: var(--font-h1);
      letter-spacing: 0;
      margin-bottom: 6px;
    }
    header p {
      font-size: 11.5px;
      line-height: 1.65;
    }
    header p span { display: block; margin-top: 4px; word-break: break-all; }
    main { padding: 0 var(--container-pad-x) 32px; }

    .search-bar { margin-top: 16px; }
    .search-box {
      gap: 8px;
      padding: 10px;
      border-radius: 14px;
      flex-direction: column;
    }
    .search-box input {
      width: 100%;
      min-width: 0;
      order: 1;
      min-height: var(--tap-size);
      padding: var(--pad-input);
      font-size: 16px; /* iOS 聚焦不缩放的关键:>=16px */
      border-radius: var(--radius-sm);
    }
    #sort, .cs-sort {
      order: 2;
      width: 100%;
      min-height: var(--tap-size);
    }
    .cs-sort .cs-trigger { padding: 10px 12px; font-size: 13px; min-height: var(--tap-size); }
    .search-box .primary, .search-box .btn {
      order: 3;
      width: 50%;
      min-width: 0;
      min-height: var(--tap-size);
      padding: var(--pad-btn);
      font-size: 14px;
    }
    .search-box { flex-direction: row; flex-wrap: wrap; }
    .search-box input { flex: 1 1 100%; }
    #sort, .cs-sort { flex: 1 1 100%; }
    .search-box .primary { flex: 1 1 calc(50% - 4px); }
    .search-box .btn { flex: 1 1 calc(50% - 4px); }

    .filter-bar {
      gap: 8px;
      padding: 10px;
      border-radius: 12px;
      margin-top: 12px;
      flex-direction: column;
      align-items: stretch;
    }
    .filter-bar .filter-left {
      width: 100%;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 8px;
    }
    .filter-bar .filter-left > select {
      width: 100%;
      min-height: var(--tap-size-sm);
      padding: 8px 10px;
      font-size: 11.5px;
    }
    #rerankToggle, #tokenQuickBtn, #proxQuickBtn {
      grid-column: span 2;
      width: 100%;
      min-height: var(--tap-size-sm);
      justify-content: center;
      font-size: 11.5px;
      padding: 8px 10px !important;
    }
    .filter-bar .hint {
      order: 98;
      width: 100%;
      margin-left: 0;
      white-space: normal;
      line-height: 1.7;
      font-size: 11px;
      word-break: break-word;
    }
    .filter-bar .hint code {
      display: inline-block;
      margin: 2px 1px;
      font-size: 10.5px;
    }
    #clearHistory {
      order: 99;
      width: 100%;
      min-height: var(--tap-size-sm);
      padding: 9px 14px !important;
      font-size: 12px !important;
    }

    .history {
      margin-top: 8px;
      padding: 8px;
      gap: 6px;
      border-radius: 10px;
    }
    .history-label {
      width: 100%;
      font-size: 11px;
      margin-bottom: 2px;
    }
    .chip {
      min-height: 34px;
      align-items: center;
      font-size: 11.5px;
      padding: 5px 11px;
    }

    /* 热门网格:小屏手机 2列(紧凑) */
    .section-title {
      margin: 22px 0 10px;
      flex-direction: column;
      align-items: flex-start;
      gap: 6px;
    }
    .section-title > div {
      flex-wrap: wrap;
      gap: 6px;
    }
    .section-title h2 { font-size: var(--font-h2); }
    .section-title .sub { font-size: 11.5px; }
    .section-title .live { font-size: 11px; padding: 2px 8px; }
    #refreshTrending {
      font-size: 11px !important;
      padding: 4px 10px !important;
      min-height: var(--tap-size-sm);
    }
    .trending-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 8px;
    }
    .tcard {
      height: auto;
      min-height: 236px;
      padding: var(--pad-tcard);
      gap: 6px;
      border-radius: var(--radius-sm);
    }
    .tcard-title { gap: 6px; }
    .tcard-title .avatar { width: 26px; height: 26px; }
    .tcard-title .owner { font-size: 10.5px; }
    .tcard-title a { font-size: 12.5px; line-height: 1.35; word-break: break-word; }
    .tcard-title .tname span { margin-left: 2px !important; }
    .badge { font-size: 9.5px; padding: 1.5px 6px; }
    .tcard-desc {
      font-size: 11px;
      line-height: 1.5;
      line-clamp: 4; -webkit-line-clamp: 4;
    }
    .tcard-meta {
      font-size: 10px;
      gap: 5px 8px;
      padding-top: 6px;
    }
    .tcard-meta .time { margin-left: 0; width: 100%; }

    /* 搜索结果卡片:小屏单列堆叠 */
    .results-header {
      margin: 22px 0 10px;
      font-size: 11.5px;
      line-height: 1.7;
      word-break: break-word;
    }
    .status { padding: 24px 8px; font-size: 12.5px; line-height: 1.7; }
    .repo-list { gap: 8px; }
    .repo {
      padding: var(--pad-card);
      border-radius: 12px;
    }
    .repo-head {
      flex-direction: column;
      align-items: flex-start;
      gap: 8px;
      margin-bottom: 6px;
    }
    .repo-head .avatar { width: 30px; height: 30px; }
    .repo-head .head-main {
      width: 100%;
      gap: 5px;
    }
    .repo-head .full-name {
      font-size: 14px;
      line-height: 1.4;
      word-break: break-word;
    }
    .quick-links {
      margin-left: 0;
      width: 100%;
      justify-content: flex-start;
      margin-top: 6px;
      gap: 5px;
    }
    .quick-links a {
      font-size: 11px;
      padding: 3px 8px;
      min-height: 28px;
      display: inline-flex;
      align-items: center;
    }
    .repo-desc {
      font-size: 12px;
      line-height: 1.6;
      margin: 3px 0 6px;
      line-clamp: 4; -webkit-line-clamp: 4;
    }
    .repo-topics { gap: 5px; margin-bottom: 6px; }
    .topic {
      font-size: 10.5px;
      padding: 3px 8px;
      min-height: 26px;
      display: inline-flex;
      align-items: center;
    }
    .repo-meta {
      font-size: 11px;
      gap: 6px 12px;
      padding-top: 9px;
      line-height: 1.6;
    }
    .repo-meta .lang { gap: 4px; }
    .lang-dot { width: 8px; height: 8px; }
    .repo-meta a.home {
      margin-left: 0;
      width: 100%;
      justify-content: center;
      margin-top: 4px;
      padding: 6px 10px;
      min-height: var(--tap-size-sm);
    }

    /* 分页:小屏紧凑 */
    .pager { gap: 5px; margin: 20px 0 4px; }
    .pager button {
      min-width: 34px;
      min-height: var(--tap-size-sm);
      padding: 7px 10px;
      font-size: 12px;
      border-radius: var(--radius-sm);
    }
    .pager button:first-child, .pager button:last-child {
      padding: 7px 11px;
      font-size: 11.5px;
    }
    .pager .info { font-size: 11px; padding: 0 4px; }
    .pager .ellipsis { padding: 0 1px; font-size: 11px; }
    .trending-pager { margin-top: 14px; }

    footer { padding: 18px 14px; font-size: 11px; line-height: 1.75; }
    footer button.link { font-size: 11px; }
  }

  /* ---- 超窄手机:保证仓库信息仍可完整阅读 ---- */
  @media (max-width: 359px) {
    .trending-grid { grid-template-columns: minmax(0, 1fr); gap: 10px; }
    .tcard { min-height: 220px; }
  }

  /* ---- 横屏模式:手机/平板横屏专门优化 ---- */
  @media (max-height: 500px) and (orientation: landscape) {
    :root {
      --header-pad-t: 14px;
      --header-pad-b: 12px;
      --font-h1: 20px;
    }
    header { padding: var(--header-pad-t) var(--container-pad-x) var(--header-pad-b); }
    header h1 { margin-bottom: 4px; }
    header p { font-size: 11.5px; line-height: 1.5; }
    .search-bar { margin-top: 12px; }
    .search-box { padding: 8px; gap: 6px; }
    .search-box input { min-height: 36px; padding: 8px 12px; font-size: 14px; }
    #sort, .cs-sort { min-height: 36px; }
    .cs-sort .cs-trigger { min-height: 36px; padding: 7px 10px; }
    button.primary, button.btn { min-height: 36px; padding: 8px 16px; font-size: 13px; }
    .filter-bar { padding: 8px 10px; margin-top: 10px; gap: 6px; }
    .section-title { margin: 18px 0 10px; }
    /* 横屏时热门改为 4 列(手机横屏也宽) */
    .trending-grid { grid-template-columns: repeat(4, minmax(0, 1fr)) !important; gap: 10px !important; }
    .tcard { min-height: 220px; height: auto; }
    /* 面板在横屏时不占那么高(accuracyPanel 已迁入 mask,不受 max-height/padding 覆盖) */
    #settingsPanel, #tokenPanel {
      max-height: 92vh;
      padding: 16px 22px;
    }
    /* 横屏 accuracyMask 缩小上下内边距,省出垂直空间 */
    #accuracyMask { padding: 12px 0 !important; }
  }

  /* ---- 手机横屏特殊:<=767px 横屏 ---- */
  @media (max-width: 767px) and (orientation: landscape) {
    .trending-grid { grid-template-columns: repeat(3, minmax(0, 1fr)) !important; }
    .filter-bar .filter-left {
      display: flex !important;
      flex-wrap: wrap;
    }
    .filter-bar .filter-left > select {
      flex: 1 1 30% !important;
      min-width: 120px;
    }
    #rerankToggle, #tokenQuickBtn, #proxQuickBtn {
      flex: 1 1 auto !important;
      grid-column: auto !important;
      width: auto !important;
    }
  }

  /* ---- 面板响应式:弹窗在各设备 ---- */
  @media (max-width: 767px) {
    #settingsPanel, #tokenPanel {
      width: 96%;
      max-width: 100%;
      max-height: min(92vh, calc(100vh - 32px)) !important;
      max-height: min(92dvh, calc(100dvh - 32px)) !important;
      padding: 16px 16px 18px;
      border-radius: 14px;
    }
    /* accuracyPanel 已迁入 mask → 用 mask 做滚动,此处只压手机端 padding 更紧凑 */
    #accuracyPanel {
      width: min(calc(100vw - 24px), 1120px);
      padding: 16px !important;     /* 覆盖 HTML 内联 24px 30px */
      border-radius: 14px;
    }
    #accuracyMask { padding: 16px 6px; } /* 手机端左右贴边,省出横向空间 */
    #settingsPanel h3, #tokenPanel h3, #accuracyPanel h3 {
      font-size: 14.5px !important;
      padding-right: 44px;
      line-height: 1.5;
    }
    #closeSettings, #closeToken, #closeAccuracy {
      font-size: 16px;
      position: absolute;
      right: 0;
      top: 2px;
      min-width: 40px !important;
      min-height: 40px !important;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }
    .token-label-row { flex-wrap: wrap; gap: 6px 10px; }
    #tokenToggleTutorial {
      position: static;
      min-height: 36px;
      margin-left: auto;
    }
    /* accuracyPanel 的标题栏 div:first-child 是 static,top 无效,只保留 settings/token 两个 fixed + sticky 的偏移 */
    #settingsPanel > div:first-child,
    #tokenPanel > div:first-child {
      top: -16px;
      padding: 4px 0 8px;
    }
    /* 手机端 accuracyPanel 双栏 → 单栏,长列表阅读更舒适 */
    #accuracyPanel > div > div[style*="display:grid"] {
      grid-template-columns: 1fr !important;
      gap: 10px !important;
    }
    #settingsPanel label, #tokenPanel label {
      font-size: 11.5px;
    }
    #cfgProxy, #tokenInput {
      padding: 10px 12px !important;
      font-size: 16px !important;
      min-height: 44px;
    }
    button.preset {
      padding: 7px 12px !important;
      font-size: 11px !important;
      min-height: 34px;
    }
    #cfgSave, #cfgReset, #cfgClearHistory,
    #tokenSaveBtn, #tokenClearBtn, #tokenCloseBtn {
      min-height: 44px;
      font-size: 13px;
      padding: 10px 16px !important;
    }
    #cfgClearHistory { margin-left: 0 !important; width: 100%; }
    #accuracyPanel > div:last-child > div[style*="font-size"] {
      font-size: 11.5px !important;
      line-height: 1.8 !important;
    }
    #accuracyPanel .panel-grid > div {
      padding: 12px !important;
    }
    #tokenTutorialBox {
      padding: 10px 12px !important;
      font-size: 11px !important;
      line-height: 1.75 !important;
    }
  }

  /* ---- 触控设备常用次要操作:保持稳定的可点击面积 ---- */
  @media (max-width: 1279px) {
    #refreshTrending,
    footer button.link {
      min-height: var(--tap-size);
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }
    footer button.link { padding: 6px 8px !important; }
  }

  /* ---- 可访问性:减少动画偏好 ---- */
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }
    body::before, body::after { animation: none; opacity: 0.45; }
    .tcard:hover, .repo:hover { transform: none; }
    .chip:hover, .topic:hover { transform: none; }
    .pager button:hover:not(:disabled) { transform: none; }
    button.primary:active, button.btn:active { transform: none; }
  }

  /* ---- 可访问性:高对比度模式 ---- */
  @media (prefers-contrast: more) {
    :root {
      --border-default: rgba(255,255,255,0.22);
      --border-muted: rgba(255,255,255,0.14);
      --fg-muted: #b5bdd0;
      --fg-subtle: #8891a6;
    }
  }

  @supports (height: 100dvh) {
    html, body { min-height: 100dvh; }
  }

  /* ---- iOS Safari 专项:防回弹背景色、禁用双击缩放 ---- */
  @supports (-webkit-touch-callout: none) {
    body {
      background-attachment: fixed;
    }
    input, select, button, textarea {
      -webkit-tap-highlight-color: transparent;
    }
    .tcard, .repo, .chip, .topic {
      -webkit-tap-highlight-color: transparent;
    }
  }

  /* ---- 安全区域适配(iPhone 刘海/灵动岛/底部 Home Indicator) ---- */
  @supports (padding: max(0px)) {
    header {
      padding-left: max(var(--container-pad-x), env(safe-area-inset-left));
      padding-right: max(var(--container-pad-x), env(safe-area-inset-right));
      padding-top: max(var(--header-pad-t), calc(env(safe-area-inset-top) + 12px));
    }
    main {
      padding-left: max(var(--container-pad-x), env(safe-area-inset-left));
      padding-right: max(var(--container-pad-x), env(safe-area-inset-right));
    }
    footer {
      padding-left: max(16px, env(safe-area-inset-left));
      padding-right: max(16px, env(safe-area-inset-right));
      padding-bottom: max(24px, calc(env(safe-area-inset-bottom) + 16px));
    }
    /* settings/token 两个 fixed 面板:对称 inset + margin:auto 完美居中,不被 transform:none 破坏
       accuracyPanel 已迁入 mask 内部,不再是 fixed,不需要本规则覆盖 */
    #settingsPanel, #tokenPanel {
      inset:
        max(16px, calc(env(safe-area-inset-top) + 8px))
        max(2%, env(safe-area-inset-right))
        max(16px, env(safe-area-inset-bottom))
        max(2%, env(safe-area-inset-left));
      transform: none;
      margin: auto;
    }
    /* accuracyMask 本身是遮罩+滚动容器,在安全屏下上下额外留白避免面板顶出边界 */
    #accuracyMask {
      padding: max(24px, calc(env(safe-area-inset-top) + 12px)) 0
               max(24px, calc(env(safe-area-inset-bottom) + 12px));
    }
  }

  /* ---- 浅色主题:保持现有蓝/绿/暖色语义,仅切换底色与对比度 ---- */
  html[data-theme="light"] {
    color-scheme: light;
    --canvas-default: #f6f8fa;
    --canvas-subtle: rgba(31,35,40,0.05);
    --canvas-inset: #eef1f4;
    --glass-bg: rgba(255,255,255,0.82);
    --glass-bg-strong: rgba(255,255,255,0.96);
    --border-default: rgba(31,35,40,0.16);
    --border-muted: rgba(31,35,40,0.10);
    --border-bright: rgba(9,105,218,0.42);
    --fg-default: #0d1117;
    --fg-muted: #30363d;
    --fg-subtle: #4b5563;
    --accent-fg: #0969da;
    --accent-emphasis: #0969da;
    --accent-subtle: rgba(9,105,218,0.11);
    --accent-glow: rgba(9,105,218,0.18);
    --success-fg: #1a7f37;
    --success-emphasis: #1f883d;
    --success-glow: rgba(26,127,55,0.16);
    --danger-fg: #cf222e;
    --danger-emphasis: #a40e26;
    --danger-glow: rgba(207,34,46,0.16);
    --attention-fg: #9a6700;
  }
  html[data-theme="light"] body::before,
  html[data-theme="light"] body::after {
    display: none;
  }
  html[data-theme="light"] header {
    background: linear-gradient(180deg, rgba(255,255,255,0.94) 0%, rgba(246,248,250,0.88) 100%);
  }
  html[data-theme="light"] header h1,
  html[data-theme="light"] .section-title h2,
  html[data-theme="light"] #settingsPanel h3,
  html[data-theme="light"] #tokenPanel h3,
  html[data-theme="light"] #accuracyPanel h3 {
    background: none !important;
    color: var(--fg-default) !important;
    -webkit-text-fill-color: var(--fg-default) !important;
  }
  html[data-theme="light"] .search-box input,
  html[data-theme="light"] .search-box input:focus,
  html[data-theme="light"] #cfgProxy,
  html[data-theme="light"] #tokenInput {
    background: rgba(255,255,255,0.96) !important;
    color: var(--fg-default) !important;
  }
  /* 浅色主题:select 与 option 统一使用白色实色背景,与深色主题策略一致,
     避免容器底部出现色差。 */
  html[data-theme="light"] select,
  html[data-theme="light"] .filter-bar select {
    background: #ffffff !important;
    color-scheme: light;
    color: var(--fg-default) !important;
  }
  html[data-theme="light"] select option {
    background: #ffffff;
    color: var(--fg-default);
  }
  /* 浅色主题:自定义下拉组件使用白色背景 */
  html[data-theme="light"] .cs-trigger,
  html[data-theme="light"] .cs-options,
  html[data-theme="light"] .cs-option {
    background: #ffffff;
    color: var(--fg-default);
  }
  html[data-theme="light"] .cs-options {
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  }
  html[data-theme="light"] .search-box,
  html[data-theme="light"] .filter-bar,
  html[data-theme="light"] .tcard,
  html[data-theme="light"] .repo {
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.75), 0 10px 28px rgba(31,35,40,0.09);
  }
  html[data-theme="light"] .tcard:hover,
  html[data-theme="light"] .repo:hover {
    box-shadow: 0 16px 36px rgba(31,35,40,0.13), 0 0 24px var(--accent-glow);
  }
  html[data-theme="light"] .tcard::before,
  html[data-theme="light"] .repo::before {
    background: linear-gradient(135deg, rgba(9,105,218,0.18), rgba(26,127,55,0.10) 55%, rgba(9,105,218,0.05));
  }
  html[data-theme="light"] .tcard-title .avatar,
  html[data-theme="light"] .repo-head .avatar {
    box-shadow: 0 2px 8px rgba(31,35,40,0.13);
  }
  html[data-theme="light"] .badge.template { color: #1a7f37; }
  html[data-theme="light"] .badge.mirror { color: #cf222e; }
  html[data-theme="light"] mark.hl {
    background: rgba(255,211,61,0.45);
    box-shadow: inset 0 -1px 0 rgba(154,103,0,0.25);
  }
  html[data-theme="light"] footer {
    background: rgba(255,255,255,0.62);
  }
  html[data-theme="light"] .theme-toggle {
    background: rgba(255,255,255,0.92);
    box-shadow: inset 0 1px 0 #fff, 0 8px 22px rgba(31,35,40,0.10);
  }
  html[data-theme="light"] button.btn {
    background: linear-gradient(135deg, var(--danger-fg), var(--danger-emphasis));
    border-color: rgba(164,14,38,0.28);
    box-shadow: 0 8px 22px rgba(164,14,38,0.24), inset 0 1px 0 rgba(255,255,255,0.18);
  }
  html[data-theme="light"] button.btn:hover {
    filter: brightness(1.03);
    box-shadow: 0 10px 28px rgba(164,14,38,0.32), inset 0 1px 0 rgba(255,255,255,0.2);
  }
  html[data-theme="light"] #settingsPanel,
  html[data-theme="light"] #tokenPanel,
  html[data-theme="light"] #accuracyPanel {
    box-shadow: 0 22px 60px rgba(31,35,40,0.22), inset 0 1px 0 #fff !important;
  }
  html[data-theme="light"] #settingsPanel > div:first-child,
  html[data-theme="light"] #tokenPanel > div:first-child,
  html[data-theme="light"] #accuracyPanel > div:first-child {
    border-bottom-color: var(--border-muted) !important;
  }
  html[data-theme="light"] #cfgReset,
  html[data-theme="light"] #tokenCloseBtn,
  html[data-theme="light"] [style*="background:rgba(255,255,255,.04)"] {
    background: rgba(31,35,40,0.045) !important;
  }
  html[data-theme="light"] [style*="background:rgba(255,255,255,.02)"] {
    background: rgba(31,35,40,0.03) !important;
  }
  html[data-theme="light"] [style*="border:1px solid rgba(255,255,255,.06)"] {
    border-color: var(--border-muted) !important;
  }
  html[data-theme="light"] [style*="border-top:1px dashed rgba(255,255,255,.06)"] {
    border-top-color: var(--border-muted) !important;
  }

  @media (max-width: 480px) {
    .header-title-row {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }
    .header-title-row h1 { min-width: 0; }
    .theme-toggle {
      position: static;
      flex: 0 0 44px;
      width: 44px;
      height: 44px;
      margin-bottom: 6px;
      transform: none;
    }
  }

  @media (prefers-contrast: more) {
    html[data-theme="light"] {
      --border-default: rgba(31,35,40,0.35);
      --border-muted: rgba(31,35,40,0.24);
      --fg-muted: #3f4851;
      --fg-subtle: #515b66;
    }
  }

.proxy-preset-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-top: 10px;
  color: var(--fg-muted);
  font-size: 11px;
}
.proxy-preset-label span:last-child {
  color: var(--success-fg);
  text-align: right;
}
.proxy-presets {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 7px;
}
button.preset {
  min-width: 0;
  min-height: 54px;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 3px;
  border: 1px solid rgba(110,168,255,.25);
  border-radius: var(--radius-sm);
  background: rgba(110,168,255,.08);
  color: var(--accent-fg);
  cursor: pointer;
  text-align: left;
  transition: border-color .15s, background-color .15s, box-shadow .15s;
}
button.preset span {
  width: 100%;
  overflow: hidden;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}
button.preset small {
  width: 100%;
  overflow: hidden;
  color: var(--fg-subtle);
  font-size: 10.5px;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}
button.preset:hover,
button.preset.is-selected {
  border-color: var(--accent-fg);
  background: var(--accent-subtle);
  box-shadow: 0 0 12px var(--accent-glow);
}
button.preset.is-selected {
  box-shadow: inset 0 0 0 1px var(--accent-fg), 0 0 12px var(--accent-glow);
}
button.preset:focus-visible {
  outline: 2px solid var(--accent-fg);
  outline-offset: 2px;
}
button.preset:disabled {
  cursor: wait;
  opacity: .62;
}
html[data-theme="light"] button.preset {
  background: rgba(9,105,218,.055);
  border-color: rgba(9,105,218,.24);
}
html[data-theme="light"] button.preset:hover,
html[data-theme="light"] button.preset.is-selected {
  background: rgba(9,105,218,.11);
}

@media (max-width: 600px) {
  .proxy-preset-label {
    align-items: flex-start;
    flex-direction: column;
    gap: 3px;
  }
  .proxy-preset-label span:last-child { text-align: left; }
  .proxy-presets { grid-template-columns: 1fr; }
  button.preset {
    min-height: 48px;
    padding: 8px 12px !important;
  }
}

.ranking-header {
  align-items: center;
  justify-content: space-between;
  gap: 10px 16px;
}
.ranking-controls {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.ranking-controls > h2 {
  margin: 0 4px 0 0;
  white-space: nowrap;
}
.ranking-period,
.ranking-language {
  display: inline-grid;
  align-items: stretch;
  padding: 3px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  background: var(--canvas-inset);
}
.ranking-period { grid-template-columns: repeat(3, auto); }
.ranking-language { grid-template-columns: repeat(2, auto); }
.ranking-period-tab,
.ranking-language-tab {
  min-height: 34px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--fg-muted);
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  line-height: 1.25;
  white-space: nowrap;
  transition: color .15s, background-color .15s, box-shadow .15s;
}
.ranking-period-tab { padding: 6px 11px; font-size: 12px; }
.ranking-language-tab { padding: 6px 11px; font-size: 12px; font-weight: 600; }
.ranking-period-tab:hover,
.ranking-language-tab:hover {
  color: var(--fg-default);
  background: var(--accent-subtle);
}
.ranking-period-tab.is-active,
.ranking-language-tab.is-active {
  color: var(--accent-fg);
  background: var(--glass-bg-strong);
  box-shadow: 0 1px 5px rgba(0,0,0,.24), inset 0 0 0 1px var(--border-bright);
}
.ranking-period-tab:focus-visible,
.ranking-language-tab:focus-visible,
#refreshTrending:focus-visible {
  outline: 2px solid var(--accent-fg);
  outline-offset: 2px;
}
.ranking-badge {
  color: var(--accent-fg);
  border-color: rgba(110,168,255,.25);
  background: rgba(110,168,255,.08);
  font-weight: 600;
}
#refreshTrending {
  min-height: 34px;
  padding: 4px 10px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  background: var(--glass-bg);
  color: var(--fg-muted);
  cursor: pointer;
  font-family: inherit;
  font-size: 11.5px;
  transition: border-color .15s, color .15s, background-color .15s;
  backdrop-filter: blur(10px);
}
#refreshTrending:hover {
  border-color: var(--accent-fg);
  color: var(--accent-fg);
  background: var(--accent-subtle);
}
/* 刷新中按钮状态:边框/背景/文字都变蓝,与 spinning 动画协同 */
#refreshTrending.is-refreshing,
#refreshTrending.is-refreshing:hover {
  border-color: var(--accent-fg);
  color: var(--accent-fg);
  background: var(--accent-subtle);
  cursor: progress;
}
/* "正在刷新..."提示样式:轻量脉冲动画,明显但不抢眼 */
.status.refreshing-hint {
  color: var(--accent-fg);
  font-weight: 600;
  padding: 8px 12px;
  background: var(--accent-subtle);
  border-radius: var(--radius-sm);
  display: inline-block;
  animation: refreshing-pulse 1.2s ease-in-out infinite;
}
@keyframes refreshing-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.55; }
}
#refreshTrendingIcon {
  display: inline-block;
  transition: transform .4s;
}
#refreshTrendingIcon.spinning {
  animation: refresh-spin 0.8s linear infinite;
  transition: none;
}
@keyframes refresh-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
html[data-theme="light"] .ranking-period,
html[data-theme="light"] .ranking-language {
  background: rgba(31,35,40,.045);
}
html[data-theme="light"] .ranking-period-tab.is-active,
html[data-theme="light"] .ranking-language-tab.is-active {
  box-shadow: 0 1px 4px rgba(31,35,40,.12), inset 0 0 0 1px var(--border-bright);
}

@media (max-width: 600px) {
  .ranking-header {
    width: 100%;
    align-items: stretch;
  }
  .ranking-controls {
    width: 100%;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
  }
  .ranking-controls > h2 {
    grid-column: 1 / -1;
    margin-right: 0;
  }
  .ranking-period,
  .ranking-language {
    grid-column: 1 / -1;
    width: 100%;
  }
  .ranking-period { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ranking-language { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ranking-period-tab {
    min-height: 40px;
    padding: 6px 8px;
  }
  .ranking-language-tab {
    min-width: 0;
    min-height: 40px;
    padding: 6px 8px;
  }
  .ranking-badge {
    align-self: center;
    max-width: 100%;
  }
  #refreshTrending {
    min-height: 40px !important;
    justify-self: end;
    padding: 6px 11px !important;
  }
}