:root {
  --bg: #fbfaf8;
  --bg-soft: #f2efe9;
  --card: #ffffff;
  --fg: #1c1b19;
  --fg-dim: #6d675e;
  --line: #e3ddd3;
  --accent: #a2542a;
  --accent-fg: #ffffff;
  --shadow: 0 1px 2px rgb(28 27 25 / 0.06), 0 8px 24px rgb(28 27 25 / 0.07);
  --radius: 10px;
  --wrap: 1140px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111318;
    --bg-soft: #191c22;
    --card: #1c2027;
    --fg: #e8e6e3;
    --fg-dim: #979ba3;
    --line: #2b3038;
    --accent: #e08a52;
    --accent-fg: #17191d;
    --shadow: 0 1px 2px rgb(0 0 0 / 0.4), 0 8px 24px rgb(0 0 0 / 0.35);
  }
}

* { box-sizing: border-box; }

/* 组件上的 display:grid/flex 会盖掉浏览器默认的 [hidden]{display:none}，这里强制回来 */
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.6 system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

/* ---------- 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 62px;
  flex-wrap: wrap;
}

.brand {
  font-size: 18px;
  font-weight: 650;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.brand-mark { font-size: 20px; }

.search {
  margin-left: auto;
  display: flex;
  gap: 8px;
  flex: 1 1 220px;
  max-width: 420px;
}

.search input {
  flex: 1;
  min-width: 0;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
  color: var(--fg);
  font: inherit;
}

.search input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: transparent;
}

.search button {
  padding: 8px 16px;
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-fg);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.search button:hover { filter: brightness(1.08); }

/* ---------- 标签栏 ---------- */
.tagbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 22px 0 4px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
  color: var(--fg-dim);
  font-size: 13px;
  transition: color 0.15s, border-color 0.15s;
}

.chip:hover { color: var(--fg); border-color: var(--accent); }

.chip-on {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-fg);
  font-weight: 600;
}

.chip-n { opacity: 0.6; font-size: 11px; font-variant-numeric: tabular-nums; }

/* ---------- 列表 ---------- */
.page-title {
  font-size: 20px;
  font-weight: 650;
  margin: 24px 0 18px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.count { font-size: 13px; font-weight: 400; color: var(--fg-dim); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(158px, 1fr));
  gap: 26px 20px;
}

.card { display: block; }

.cover {
  position: relative;
  aspect-ratio: 2 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-soft);
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.card:hover .cover {
  transform: translateY(-4px);
  box-shadow: 0 4px 8px rgb(0 0 0 / 0.1), 0 16px 36px rgb(0 0 0 / 0.18);
}

.cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cover-fallback {
  display: grid;
  place-items: center;
  background: linear-gradient(150deg, hsl(var(--h) 42% 62%), hsl(var(--h) 38% 40%));
  color: #fff;
  font-size: 46px;
  font-weight: 600;
}

.dl-pill {
  position: absolute;
  right: 6px;
  bottom: 6px;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgb(0 0 0 / 0.62);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  backdrop-filter: blur(4px);
  pointer-events: none;
}

.card-meta { padding: 11px 2px 0; }

.card-title {
  font-size: 14px;
  font-weight: 600;
  margin: 0;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-author {
  margin: 3px 0 0;
  font-size: 12px;
  color: var(--fg-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.empty, .empty-page { color: var(--fg-dim); padding: 48px 0; text-align: center; }
.empty-page h1 { font-size: 56px; margin: 0 0 8px; }

/* ---------- 分页 ---------- */
.pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  padding: 44px 0 8px;
  font-size: 14px;
}

.pager a { color: var(--accent); font-weight: 600; }
.pager .off { color: var(--fg-dim); opacity: 0.45; }
.pager-now { color: var(--fg-dim); font-variant-numeric: tabular-nums; }

/* ---------- 详情页 ---------- */
.crumbs { padding: 22px 0 0; font-size: 14px; color: var(--fg-dim); }
.crumbs a:hover { color: var(--accent); }

.detail {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  padding: 28px 0 20px;
  align-items: start;
}

.detail-cover {
  aspect-ratio: 2 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--bg-soft);
}

.detail-info h1 { font-size: 27px; line-height: 1.3; margin: 0 0 6px; }
.detail-author { margin: 0 0 18px; color: var(--fg-dim); font-size: 15px; }
.detail-tags { padding: 0 0 22px; }

.download {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-fg);
  font-weight: 650;
  font-size: 15px;
}

.download:hover { filter: brightness(1.08); }

.download-hint { font-size: 12.5px; color: var(--fg-dim); margin: 12px 0 0; }

.detail-desc {
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  white-space: pre-wrap;
  color: var(--fg);
  line-height: 1.8;
  font-size: 14.5px;
}

@media (max-width: 640px) {
  .detail { grid-template-columns: 1fr; gap: 24px; }
  .detail-cover { max-width: 200px; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(126px, 1fr)); gap: 20px 14px; }
  .search { flex-basis: 100%; max-width: none; margin: 0 0 12px; }
  .header-inner { padding-top: 10px; }
}

/* ---------- 页脚 ---------- */
.site-footer {
  margin-top: 70px;
  border-top: 1px solid var(--line);
  padding: 24px 0 40px;
  font-size: 13px;
  color: var(--fg-dim);
}

.site-footer .wrap { display: flex; justify-content: space-between; gap: 16px; }
.site-footer a:hover { color: var(--accent); }