/* 青瓷色调：浅灰绿纸面 + 深青墨色 + 荧光笔式命中高亮。移动端优先。 */
:root {
  --bg: #edf1ec;
  --surface: #f8faf7;
  --ink: #1c2724;
  --muted: #5b6b65;
  --line: #cdd7d0;
  --accent: #1f6b5a;
  --accent-ink: #f3faf7;
  --mark: #f2de8c;
  --mark-ink: #2a2410;
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111816;
    --surface: #18211e;
    --ink: #e2eae5;
    --muted: #93a49d;
    --line: #2b3833;
    --accent: #6cc1a9;
    --accent-ink: #0d1613;
    --mark: #5c4f1a;
    --mark-ink: #f7e9b0;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; -webkit-tap-highlight-color: transparent; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 -apple-system, "PingFang SC", "HarmonyOS Sans SC", "MiSans", "Hiragino Sans GB", "Noto Sans CJK SC", "Microsoft YaHei", system-ui, sans-serif;
  font-variant-numeric: tabular-nums;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}
main { width: 100%; max-width: 780px; margin: 0 auto; padding: 0 16px; flex: 1; }
a { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
code { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: .88em; }

/* 搜索框：字号不小于 16px，避免 iOS 聚焦时自动放大页面 */
.search { display: flex; flex: 1; min-width: 0; }
.search input {
  flex: 1; min-width: 0; height: 44px;
  font: inherit; font-size: 16px; color: var(--ink);
  background: var(--surface);
  border: 1.5px solid var(--ink);
  border-right: 0;
  border-radius: var(--radius) 0 0 var(--radius);
  padding: 0 14px;
  -webkit-appearance: none; appearance: none;
}
.search input::-webkit-search-cancel-button { -webkit-appearance: none; }
.search input:focus { outline: none; border-color: var(--accent); }
.search button {
  flex: none; height: 44px;
  font: inherit; font-weight: 600;
  color: var(--accent-ink); background: var(--accent);
  border: 1.5px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 0 18px; cursor: pointer;
}
.search button:active { filter: brightness(.92); }

/* 首页 */
.home main { display: flex; align-items: center; }
.hero { width: 100%; padding: 12vh 0 6vh; }
.brand {
  margin: 0;
  font-size: clamp(56px, 16vw, 120px);
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.06em;
}
.tagline { margin: 12px 0 24px; color: var(--muted); font-size: 16px; }
.search-lg input { height: 52px; font-size: 17px; padding: 0 18px; }
.search-lg button { height: 52px; font-size: 17px; padding: 0 26px; }
.count { margin-top: 14px; color: var(--muted); font-size: 14px; }
.count strong { color: var(--ink); font-weight: 600; }
.tips { margin-top: 26px; color: var(--muted); font-size: 13px; }
.tips code { background: var(--surface); border: 1px solid var(--line); border-radius: 4px; padding: 0 4px; }

/* 热门搜索 */
.hot { margin-top: 26px; }
.hot h2 { font-size: 13px; font-weight: 600; color: var(--muted); margin: 0 0 8px; }
.hot ul { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.hot a {
  display: block; padding: 5px 12px; border-radius: 999px; font-size: 14px;
  background: var(--surface); border: 1px solid var(--line); color: var(--ink); text-decoration: none;
  max-width: 14em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.hot a:hover { border-color: var(--accent); color: var(--accent); }

/* 结果页顶栏：手机上吸顶，品牌和搜索框一行 */
.bar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 12px;
  max-width: 780px; width: 100%; margin: 0 auto;
  padding: 10px 16px; padding-top: max(10px, env(safe-area-inset-top));
  background: var(--bg);
}
.brand-sm { flex: none; font-size: 22px; font-weight: 800; letter-spacing: -0.06em; color: var(--ink); text-decoration: none; }

/* 分类 + 排序 + 精确匹配 */
.filters { padding: 2px 0 8px; border-bottom: 1px solid var(--line); }
.filters ul { display: flex; gap: 4px; list-style: none; margin: 0; padding: 0; }
.chips { overflow-x: auto; scrollbar-width: none; margin: 0 -16px !important; padding: 0 16px 6px !important; }
.chips::-webkit-scrollbar { display: none; }
.filters a { display: block; padding: 4px 12px; border-radius: 999px; color: var(--muted); text-decoration: none; font-size: 14px; white-space: nowrap; }
.chips a[aria-current] { background: var(--ink); color: var(--bg); }
.sortrow { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.sorts a { padding: 4px 8px; }
.sorts a[aria-current] { color: var(--accent); font-weight: 600; }
.mode { display: inline-flex !important; align-items: center; gap: 6px; padding: 4px 0 !important; }
.mode .knob { position: relative; width: 30px; height: 18px; border-radius: 999px; background: var(--line); transition: background .15s; }
.mode .knob::after { content: ""; position: absolute; top: 2px; left: 2px; width: 14px; height: 14px; border-radius: 50%; background: var(--surface); transition: transform .15s; }
.mode.on { color: var(--accent); font-weight: 600; }
.mode.on .knob { background: var(--accent); }
.mode.on .knob::after { transform: translateX(12px); }

.summary, .notice { color: var(--muted); font-size: 13px; margin: 12px 0 2px; }
.notice { font-size: 15px; color: var(--ink); }
.empty { padding: 28px 0; }
.empty p { margin: 4px 0; }
.empty p + p { color: var(--muted); }

/* 结果列表：标题占整行，下面一行左边是信息，右边是复制按钮 */
.results { list-style: none; margin: 0; padding: 0; }
.result {
  display: grid; grid-template-columns: 1fr auto; column-gap: 12px; align-items: center;
  padding: 14px 0; border-bottom: 1px solid var(--line);
}
.title {
  grid-column: 1 / -1; font-size: 16px; font-weight: 600; line-height: 1.45;
  color: var(--ink); text-decoration: none; overflow-wrap: anywhere;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.title:visited { color: var(--muted); }
.title em, mark { font-style: normal; background: var(--mark); color: var(--mark-ink); border-radius: 2px; padding: 0 1px; }
.meta { grid-column: 1; display: flex; flex-wrap: wrap; align-items: center; gap: 2px 12px; margin: 6px 0 0; color: var(--muted); font-size: 13px; }
.tag { color: var(--accent); font-weight: 600; }
.result .copy { grid-column: 2; align-self: end; }

/* 热度信号格 */
.sig { display: inline-flex; align-items: flex-end; gap: 2px; height: 13px; vertical-align: -1px; }
.sig i { display: block; width: 3px; background: var(--line); border-radius: 1px; }
.sig i:nth-child(1) { height: 4px; }
.sig i:nth-child(2) { height: 7px; }
.sig i:nth-child(3) { height: 10px; }
.sig i:nth-child(4) { height: 13px; }
.sig-1 i:nth-child(-n+1), .sig-2 i:nth-child(-n+2), .sig-3 i:nth-child(-n+3), .sig-4 i { background: var(--accent); }

/* 按钮：手机上点击区域至少 36px 高 */
.copy, .btn {
  font: inherit; font-size: 13px; color: var(--ink);
  background: var(--surface); border: 1px solid var(--line); border-radius: 8px;
  min-height: 36px; padding: 6px 12px; cursor: pointer; white-space: nowrap; text-decoration: none;
  display: inline-flex; align-items: center; justify-content: center;
}
.copy:hover, .btn:hover { border-color: var(--accent); color: var(--accent); }
.copy.done { border-color: var(--accent); color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.btn.primary:hover { filter: brightness(1.08); color: var(--accent-ink); }

/* 分页：手机上只显示 上一页 / 页码 / 下一页 */
.pager { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 6px; padding: 24px 0 8px; }
.pager a, .pager span { min-width: 40px; min-height: 40px; display: inline-flex; align-items: center; justify-content: center; padding: 0 12px; border-radius: 8px; text-decoration: none; font-size: 14px; }
.pager a { color: var(--ink); border: 1px solid var(--line); background: var(--surface); }
.pager a:hover { border-color: var(--accent); }
.pager span[aria-current] { background: var(--ink); color: var(--bg); }
.pager .pos { display: none; color: var(--muted); }

/* 详情页 */
.detail { padding: 6px 0 32px; }
.detail-title { font-size: 21px; line-height: 1.4; margin: 10px 0 16px; overflow-wrap: anywhere; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; }
.actions .btn { font-size: 15px; min-height: 46px; padding: 0 18px; }
.facts { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 1px; margin: 22px 0; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.facts div { background: var(--surface); padding: 10px 14px; }
.facts .wide { grid-column: 1 / -1; }
.facts dt { font-size: 12px; color: var(--muted); }
.facts dd { margin: 2px 0 0; font-weight: 600; }
.facts code { font-size: 13px; font-weight: 400; overflow-wrap: anywhere; }
.files h2, .related h2 { font-size: 16px; margin: 0 0 8px; }
.files ul, .related ul { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.files li { display: flex; justify-content: space-between; gap: 16px; padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.files .path { overflow-wrap: anywhere; min-width: 0; }
.files .fsize { color: var(--muted); white-space: nowrap; }
.related { margin-top: 28px; }
.related li { padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.related a { display: block; color: var(--ink); text-decoration: none; overflow-wrap: anywhere; }
.related a:hover { color: var(--accent); }
.muted { color: var(--muted); font-size: 13px; }
.report { margin-top: 28px; font-size: 14px; }
.report summary { cursor: pointer; color: var(--muted); padding: 6px 0; }
.report form { display: grid; gap: 8px; margin-top: 10px; max-width: 480px; }
.report textarea { font: inherit; font-size: 16px; min-height: 90px; padding: 8px 10px; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 8px; }
.report .btn { justify-self: start; }
.ok { color: var(--accent); }

.errorpage { padding: 8vh 0 4vh; }
.errorpage .code { font-size: 56px; font-weight: 800; letter-spacing: -0.06em; margin: 0; color: var(--line); line-height: 1; }
.errorpage h1 { font-size: 20px; margin: 10px 0; }

.foot { max-width: 780px; width: 100%; margin: 0 auto; padding: 24px 16px; padding-bottom: max(24px, env(safe-area-inset-bottom)); color: var(--muted); font-size: 12px; }

@media (max-width: 560px) {
  .hero { padding-top: 9vh; }
  .search-lg button { padding: 0 18px; }
  .brand-sm { font-size: 20px; }
  .search button { padding: 0 14px; }
  .pager .num { display: none; }
  .pager span[aria-current] { display: none; }
  .pager .pos { display: inline-flex; }
  .pager .pn { flex: 1; }
  .actions .btn { flex: 1; }
  .facts { grid-template-columns: 1fr 1fr; }
  .detail-title { font-size: 19px; }
}
@media (hover: none) {
  .copy:hover, .btn:not(.primary):hover { border-color: var(--line); color: var(--ink); }
  .copy.done { border-color: var(--accent); color: var(--accent); }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }