:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1c1e21;
  --text-2: #65676b;
  --accent: #2563eb;
  --accent-text: #ffffff;
  --border: #e4e6eb;
  --shadow: 0 1px 3px rgba(0, 0, 0, .08);
  --shadow-hover: 0 6px 18px rgba(0, 0, 0, .12);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17181c;
    --surface: #212228;
    --text: #e7e9ea;
    --text-2: #9aa0a6;
    --accent: #4f8cff;
    --accent-text: #ffffff;
    --border: #33353b;
    --shadow: 0 1px 3px rgba(0, 0, 0, .4);
    --shadow-hover: 0 6px 18px rgba(0, 0, 0, .5);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  line-height: 1.7;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

.wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px; }

/* 顶栏 */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 10px;
  padding-bottom: 10px;
}
.site-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
}
.site-title:hover { text-decoration: none; }
.site-nav { display: flex; gap: 14px; flex: 1; }
.site-nav a { color: var(--text-2); font-size: .95rem; }
.site-nav a.active, .site-nav a:hover { color: var(--accent); text-decoration: none; }
.search-form input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 12px;
  color: var(--text);
  width: 190px;
  font-size: .9rem;
}
.search-form input:focus { outline: 2px solid var(--accent); border-color: transparent; }

/* 公告条 */
.announce {
  background: color-mix(in srgb, var(--accent) 12%, var(--bg));
  border-bottom: 1px solid var(--border);
  font-size: .9rem;
}
.announce .wrap { padding-top: 8px; padding-bottom: 8px; }
.announce p { margin: 0; }

/* 置顶徽章 */
.pin {
  background: #e11d48;
  color: #fff;
  border-radius: 5px;
  padding: 1px 6px;
  font-size: .72rem;
  font-weight: 600;
  margin-right: 6px;
  vertical-align: 2px;
}

main.wrap { padding-top: 24px; padding-bottom: 48px; min-height: 60vh; }

.page-title { margin: 8px 0 20px; }
.page-title small { color: var(--text-2); font-weight: 400; }

/* 卡片网格 */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  color: var(--text);
  box-shadow: var(--shadow);
  transition: transform .15s ease, box-shadow .15s ease;
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  text-decoration: none;
}
.card-cover { aspect-ratio: 16 / 9; overflow: hidden; }
.card-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.card-cover-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent), #7c3aed);
}
.card-cover-placeholder span { font-size: 2.6rem; color: #fff; font-weight: 700; }
.card-body { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card-body h3 {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-body p {
  margin: 0;
  color: var(--text-2);
  font-size: .86rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-meta {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-2);
  font-size: .8rem;
}

.badge {
  background: var(--accent);
  color: var(--accent-text);
  border-radius: 6px;
  padding: 1px 8px;
  font-size: .78rem;
}
a.badge:hover { text-decoration: none; opacity: .85; }

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-top: 28px;
  color: var(--text-2);
}

/* 详情页 */
.post { max-width: 780px; margin: 0 auto; }
.post .back { margin-bottom: 4px; }
.post h1 { margin: 6px 0 10px; line-height: 1.35; }
.post-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-2);
  font-size: .9rem;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
#dl-count b { color: var(--accent); }
.post-cover { border-radius: 12px; margin-bottom: 16px; display: block; }
.post-summary {
  background: var(--surface);
  border-left: 4px solid var(--accent);
  border-radius: 0 8px 8px 0;
  padding: 10px 14px;
  color: var(--text-2);
}
.post-content { font-size: 1rem; }
.post-content h2, .post h2 { margin-top: 30px; border-bottom: 1px solid var(--border); padding-bottom: 6px; }
.post-content code {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: .9em;
}
.screenshots { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.screenshots img { border-radius: 8px; border: 1px solid var(--border); }

.dl-links { display: flex; flex-wrap: wrap; gap: 12px; }
.dl-btn {
  background: var(--accent);
  color: var(--accent-text);
  padding: 10px 22px;
  border-radius: 10px;
  font-weight: 600;
  box-shadow: var(--shadow);
}
.dl-btn:hover { text-decoration: none; opacity: .9; transform: translateY(-1px); }

/* 失效反馈 */
.report-row {
  margin-top: 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
#report-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 14px;
  color: var(--text-2);
  cursor: pointer;
  font-size: .88rem;
}
#report-btn:hover:not(:disabled) { border-color: #e11d48; color: #e11d48; }
#report-btn:disabled { opacity: .6; cursor: default; }
#report-count { color: var(--text-2); font-size: .88rem; }
#report-count b { color: #e11d48; }
#report-count.report-warn {
  color: #e11d48;
  font-weight: 600;
}

.post-tags { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 12px;
  font-size: .85rem;
  color: var(--text-2);
}
.tag:hover { color: var(--accent); text-decoration: none; border-color: var(--accent); }

/* 标签/分类云 */
.term-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.term {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 16px;
  color: var(--text);
}
.term span { color: var(--text-2); font-size: .85em; }
.term:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

/* 搜索 */
.search-empty { text-align: center; color: var(--text-2); padding: 40px 0; }

/* 404 */
.not-found { text-align: center; padding: 60px 0; }
.not-found h1 { font-size: 4rem; margin: 0; }

/* 页脚 */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 20px 0 30px;
  color: var(--text-2);
  font-size: .85rem;
  text-align: center;
}
.site-footer p { margin: 4px 0; }
.contacts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 18px;
  margin: 6px 0;
}
.contact-text { color: var(--text-2); user-select: all; }

@media (max-width: 640px) {
  .header-inner { gap: 10px; }
  .search-form { width: 100%; }
  .search-form input { width: 100%; }
}