/* midnight —— 暗夜终端主题
   深空底 · 网格线 · 荧光青 · 等宽数字 · 终端提示符；与 docs_default（纸墨编辑部）昼夜两极。
   零外部字体 / 零图片（网格与辉光用 CSS 渐变画）。 */

:root {
  --bg: #0b0f14;
  --bg-2: #101720;
  --surface: #121a24;
  --surface-2: #0e141d;
  --ink: #dbe4ee;
  --ink-soft: #7c8a9c;
  --line: #1f2b38;
  --line-strong: #33445a;
  --cyan: #3fd6c6;
  --cyan-deep: #1fa396;
  --amber: #ffb454;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, Menlo, monospace;
  --radius: 6px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background:
    radial-gradient(1100px 480px at 78% -8%, rgba(63, 214, 198, .09), transparent 62%),
    repeating-linear-gradient(0deg, transparent 0 47px, rgba(51, 68, 90, .16) 47px 48px),
    repeating-linear-gradient(90deg, transparent 0 47px, rgba(51, 68, 90, .16) 47px 48px),
    var(--bg);
  color: var(--ink);
  font: 16px/1.8 var(--sans);
}
::selection { background: var(--cyan); color: #06110f; }
/* 终端味细节：暗色滚动条 + 标题荧光 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--cyan-deep); }
.wrap { max-width: 1060px; margin: 0 auto; padding: 0 22px; }
a { color: var(--ink); text-decoration: none; }

/* ================= 顶栏（终端标题栏） ================= */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 15, 20, .88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-strong);
}
.bar-inner { display: flex; align-items: center; justify-content: space-between; height: 58px; }
.brand { font-family: var(--mono); font-weight: 700; font-size: 17px; color: var(--ink); }
.cursor {
  display: inline-block; width: 10px; height: 19px; margin-left: 7px;
  background: var(--cyan); vertical-align: -3px;
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.nav a {
  margin-left: 22px; color: var(--ink-soft); font-size: 14px; font-family: var(--mono);
  padding-bottom: 3px; border-bottom: 2px solid transparent;
  transition: color .15s, border-color .15s;
}
.nav a:hover { color: var(--cyan); border-color: var(--cyan); }

/* ================= hero（左对齐非对称） ================= */
.hero { padding: 72px 0 30px; max-width: 720px; }
.hero-kicker { margin: 0 0 12px; font-family: var(--mono); font-size: 14px; color: var(--cyan); }
.hero h1 {
  margin: 0 0 14px; font-size: 42px; font-weight: 800;
  letter-spacing: .03em; line-height: 1.25;
  text-shadow: 0 0 22px rgba(63, 214, 198, .35);
}
.hero-sub { margin: 0 0 18px; color: var(--ink-soft); font-size: 16px; }
.hero-stats { margin: 0 0 24px; display: flex; gap: 12px; flex-wrap: wrap; }
.stat {
  display: inline-block; padding: 7px 16px;
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  background: var(--surface-2); font-family: var(--mono); font-size: 14px; color: var(--ink-soft);
}
.stat em { font-style: normal; color: var(--cyan); margin-right: 8px; }
.stat::before { content: "$ "; color: var(--ink-soft); }
.btn {
  display: inline-block; margin: 4px 3px; padding: 10px 28px;
  background: var(--cyan); color: #06110f;
  border: 1px solid var(--cyan); border-radius: var(--radius);
  font-size: 15px; font-weight: 600; font-family: var(--mono);
  transition: filter .15s, transform .15s, background .15s, color .15s;
}
.btn:hover { filter: brightness(1.12); transform: translateY(-1px); }
.btn.ghost { background: transparent; color: var(--cyan); }
.btn.ghost:hover { background: rgba(63, 214, 198, .1); }

/* ================= 分节标题 ================= */
.hot h2, .list-head h1, .also h2 {
  display: flex; align-items: center; gap: 12px;
  font-size: 22px; font-weight: 800; letter-spacing: .04em;
}
.hot h2 { margin: 44px 0 18px; }
.h2-mark {
  width: 8px; height: 24px; background: var(--cyan); flex: none;
  box-shadow: 0 0 12px rgba(63, 214, 198, .55);
}

/* ================= 卡片（暗玻璃面板） ================= */
.cards {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fill, minmax(228px, 1fr));
}
.card {
  display: flex; flex-direction: column; gap: 3px;
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 15px 17px 13px;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.card:hover {
  text-decoration: none; transform: translateY(-3px);
  border-color: var(--cyan); box-shadow: 0 8px 24px rgba(0, 0, 0, .45), 0 0 0 1px rgba(63, 214, 198, .25);
}
.card-top { display: flex; justify-content: space-between; align-items: baseline; }
.card-no { font-family: var(--mono); font-size: 12.5px; color: var(--cyan); }
.card-no::before { content: "# "; color: var(--ink-soft); }
.card-meta { font-size: 12px; color: var(--ink-soft); }
.card-name { font-weight: 700; font-size: 17px; color: var(--ink); margin-top: 4px; }
.card-host { font-family: var(--mono); font-size: 12px; color: var(--ink-soft); word-break: break-all; }
.more { text-align: center; margin: 26px 0 8px; }
.more a { color: var(--cyan); font-family: var(--mono); font-size: 14.5px; }
.more a:hover { text-decoration: underline; }

/* ================= 列表页（终端行） ================= */
.list-head { padding-top: 46px; }
.list-head h1 { font-size: 28px; margin: 0 0 6px; }
.list-head .muted { font-family: var(--mono); font-size: 13px; }
.filter {
  width: 100%; max-width: 480px; padding: 11px 15px; margin: 16px 0 22px;
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  background: var(--surface-2); color: var(--ink);
  font-size: 15px; font-family: var(--mono);
}
.filter::placeholder { color: var(--ink-soft); }
.filter:focus { outline: 1px solid var(--cyan); box-shadow: 0 0 0 3px rgba(63, 214, 198, .15); }
.site-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.site-item {
  display: flex; align-items: baseline; gap: 12px;
  padding: 10px 8px; border-bottom: 1px solid var(--line);
  transition: background .15s;
}
.site-item:hover { background: rgba(63, 214, 198, .05); }
.site-item a { display: flex; align-items: baseline; gap: 14px; flex: 1; min-width: 0; }
.site-item .idx { font-family: var(--mono); font-size: 12.5px; color: var(--ink-soft); flex: none; }
.site-item .name { font-weight: 700; font-size: 16px; white-space: nowrap; }
.site-item a:hover .name { color: var(--cyan); }
.site-item .host { font-family: var(--mono); font-size: 12.5px; color: var(--ink-soft); word-break: break-all; }
.site-item .count { font-family: var(--mono); font-size: 12.5px; color: var(--ink-soft); white-space: nowrap; }

/* ================= 面包屑 ================= */
.crumbs { margin: 30px 0 14px; color: var(--ink-soft); font-family: var(--mono); font-size: 13px; }
.crumbs span + span, .crumbs a + span { margin-left: 9px; color: var(--line-strong); }
.crumbs a { color: var(--ink-soft); }
.crumbs a:hover { color: var(--cyan); }

/* ================= 正文（终端文档） ================= */
.doc {
  background: var(--surface-2);
  border: 1px solid var(--line); border-left: 3px solid var(--cyan);
  border-radius: var(--radius);
  padding: 34px 40px; margin-bottom: 20px;
  max-width: 860px;
}
.doc h1 { font-size: 26px; font-weight: 800; line-height: 1.45; margin: 0 0 16px; }
.doc h2 {
  font-size: 19px; font-weight: 800; margin: 30px 0 12px; padding-top: 16px;
  border-top: 1px dashed var(--line-strong);
}
.doc h2::before { content: "## "; color: var(--cyan); font-family: var(--mono); font-weight: 400; }
.doc h3 { font-size: 17px; font-weight: 700; margin: 20px 0 8px; }
.doc p, .doc li { font-size: 15.5px; }
.doc blockquote {
  margin: 16px 0; padding: 4px 20px;
  border-left: 3px solid var(--cyan); color: var(--ink-soft);
  background: rgba(63, 214, 198, .06);
}
.doc blockquote p { margin: 8px 0; }
.doc pre {
  position: relative;
  background: #080c11; color: #c8d6e2;
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 18px 14px; overflow-x: auto;
  font-size: 13.5px; line-height: 1.65;
}
.doc pre::before {
  content: "● ● ●"; position: absolute; top: 10px; left: 14px;
  font-size: 9px; letter-spacing: 5px; color: #3a4b5e;
}
.doc code {
  font-family: var(--mono); font-size: .88em;
  background: rgba(63, 214, 198, .09); color: var(--cyan);
  border-radius: 3px; padding: 1.5px 6px;
}
.doc pre code { background: none; padding: 0; color: inherit; font-size: inherit; }
.doc table {
  width: 100%; border-collapse: collapse; margin: 18px 0;
  font-size: 14.5px; display: block; overflow-x: auto;
}
.doc th, .doc td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; }
.doc th { background: var(--surface); font-weight: 700; color: var(--cyan); }
.doc tbody tr:hover td { background: rgba(63, 214, 198, .05); }
.doc hr { border: 0; border-top: 1px dashed var(--line-strong); margin: 24px 0; }
.doc a { color: var(--cyan); }
.doc a:hover { text-decoration: underline; }
.doc img { max-width: 100%; height: auto; }

/* ================= 同站文档 / 翻页 ================= */
.also { max-width: 860px; }
.also h2 { font-size: 19px; margin: 6px 0 12px; }
.doc-list { list-style: none; margin: 0 0 8px; padding: 0; }
.doc-list li { margin: 7px 0; }
.doc-list a { font-family: var(--mono); font-size: 14.5px; color: var(--ink-soft); }
.doc-list a::before { content: "→ "; color: var(--cyan); }
.doc-list a:hover { color: var(--cyan); }
.pager {
  display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap;
  max-width: 860px; margin: 4px 0 24px; font-family: var(--mono); font-size: 14px;
}
.pager a { color: var(--cyan); }
.pager a:hover { text-decoration: underline; }
.ext { margin: 18px 0 34px; }
.muted { color: var(--ink-soft); }

/* ================= 页脚（含 sitemap 锚文本） ================= */
.site-footer {
  margin-top: 40px; padding: 28px 0 38px;
  border-top: 1px solid var(--line-strong);
  text-align: center;
}
.foot-brand { font-family: var(--mono); font-weight: 700; font-size: 15px; margin: 0 0 6px; }
.foot-prompt { color: var(--cyan); }
.foot-note { color: var(--ink-soft); font-size: 12.5px; margin: 0 0 12px; }
.foot-nav { font-family: var(--mono); font-size: 13px; }
.foot-nav a { color: var(--ink-soft); }
.foot-nav a:hover { color: var(--cyan); }
.foot-nav span { margin: 0 8px; color: var(--line-strong); }

/* ================= 动效 ================= */
@media (prefers-reduced-motion: no-preference) {
  .card, .site-item { animation: rise .45s both; animation-delay: calc(var(--i, 0) * 20ms); }
  .hero h1, .hero-sub, .hero-stats, .hero .btn { animation: rise .5s both; }
  .hero-sub { animation-delay: .08s; }
  .hero-stats { animation-delay: .16s; }
  .hero .btn { animation-delay: .24s; }
}
@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ================= 落点页画廊（借用站线真实截图） ================= */
.gallery {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px; max-width: 860px; margin: 0 0 22px;
}
.gallery img {
  width: 100%; height: auto; display: block;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-2);
}

@media (max-width: 640px) {
  .doc { padding: 24px 18px; }
  .hero h1 { font-size: 29px; }
  .bar-inner { height: 52px; }
  .site-item .host, .site-item .idx { display: none; }
}