/* Laputa 设定集 · 档案卷宗风格（2026-08-01 重做）
   设计基础：现有"设定图_历史卷"系列插画本身的美术语言——泛黄卷宗纸、
   技术图纸批注、机构印章、分类戳、字距拉宽的标题体。不是通用暖色极简站，
   是"你正在翻一份被批准查阅的岛屿档案"。
   双强调色：赤陶橙(--accent，人文/工艺一侧，呼应 ib-verge 站点主色) +
   铜绿(--verdigris，技术/大气一侧)——两条内容线各自的信号色。 */

:root {
  --paper: #ece0c8;
  --paper-2: #e2d3ac;
  --paper-card: #f5ecd8;
  --ink: #241a10;
  --ink-soft: #4a3826;
  --muted: #7d6a4f;
  --line: #c7b48c;
  --line-strong: #a68e60;
  --accent: #c05a2e;
  --accent-2: #8a4423;
  --accent-soft: #f3ded0;
  --verdigris: #4f7566;
  --verdigris-soft: #dbe6de;
  --stamp: #9c2b20;
  --dark: #221a12;
  --dark-2: #2c2117;
  --cream: #f7f0de;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { overflow-x: hidden; }
body {
  overflow-x: hidden;
  background: var(--paper);
  background-image:
    radial-gradient(ellipse at top left, rgba(255,255,255,.35), transparent 55%),
    radial-gradient(ellipse at bottom right, rgba(90,60,20,.06), transparent 60%);
  color: var(--ink);
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", Georgia, serif;
  line-height: 1.75;
}

img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
main { min-height: 60vh; }

.mono { font-family: ui-monospace, "SFMono-Regular", Consolas, "Noto Sans Mono CJK SC", monospace; }
.label {
  font-family: "Noto Sans SC", "PingFang SC", system-ui, sans-serif;
  font-weight: 800;
  letter-spacing: .22em;
  text-transform: uppercase;
}

/* ── 顶部导航：像卷宗盒的封条 ───────────────────────────── */
.site-nav {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; row-gap: 8px;
  padding: 14px 28px; background: var(--dark);
  border-bottom: 3px double var(--accent);
  position: sticky; top: 0; z-index: 10;
}
.site-nav .brand {
  color: var(--cream); font-weight: 800; letter-spacing: .3em; font-size: 17px;
  font-family: "Noto Sans SC", sans-serif;
}
.site-nav .brand span { color: var(--accent); font-size: 11px; letter-spacing: .3em; margin-left: 6px; }
.site-nav ul { display: flex; gap: 4px; list-style: none; flex-wrap: wrap; align-items: center; }
.site-nav a {
  color: #c9b48c; padding: 6px 13px; border-radius: 2px; font-size: 13.5px;
  font-family: "Noto Sans SC", sans-serif; letter-spacing: .04em;
}
.site-nav a:hover { color: var(--cream); background: rgba(255,255,255,.06); }
.site-nav a.active { background: var(--accent); color: var(--cream); font-weight: 700; }
.site-nav .back-link {
  color: var(--verdigris-soft); font-size: 12px; border: 1px solid rgba(219,230,222,.35);
  padding: 5px 12px; margin-left: 10px; font-family: "Noto Sans SC", sans-serif;
}
.site-nav .back-link:hover { background: rgba(219,230,222,.12); }

/* ── 档案页头：每页都是一份"卷宗封面" ───────────────────── */
.dossier-head {
  position: relative;
  border: 1px solid var(--line-strong);
  background: var(--paper-card);
  padding: 28px 30px 24px;
  margin: 40px auto 0;
  max-width: 1120px;
  box-shadow: 0 1px 0 var(--paper-2), 0 6px 20px rgba(36,26,16,.08);
}
.dossier-head::before, .dossier-head::after {
  content: ""; position: absolute; width: 14px; height: 14px;
  border: 1px solid var(--line-strong); top: 8px;
}
.dossier-head::before { left: 8px; border-right: none; border-bottom: none; }
.dossier-head::after { right: 8px; border-left: none; border-bottom: none; }
.dossier-meta {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: 11.5px; color: var(--muted); margin-bottom: 14px; padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.dossier-meta .item { display: flex; flex-direction: column; gap: 2px; }
.dossier-meta .k { letter-spacing: .16em; text-transform: uppercase; font-size: 10px; color: var(--muted); }
.dossier-meta .v { color: var(--ink-soft); font-weight: 700; }
p.page-kicker {
  color: var(--accent); font-size: 12px; letter-spacing: .32em; margin-bottom: 8px;
  font-family: "Noto Sans SC", sans-serif; font-weight: 800;
}
h2.page-title {
  font-size: 34px; letter-spacing: .04em; font-family: "Noto Sans SC", sans-serif;
  font-weight: 800; color: var(--ink);
}
.lead { color: var(--ink-soft); margin-top: 14px; font-size: 15.5px; max-width: 68ch; }

/* 分类戳：像盖在卷宗夹右上角、压在边框上的印章，不挤占内容 */
.stamp {
  position: absolute; top: -16px; right: 28px; z-index: 2;
  background: var(--paper-card);
  border: 2.5px solid var(--stamp); color: var(--stamp);
  font-family: "Noto Sans SC", sans-serif; font-weight: 800; font-size: 12px;
  letter-spacing: .14em; padding: 5px 12px; border-radius: 3px;
  transform: rotate(6deg); opacity: .88;
  box-shadow: 0 2px 6px rgba(36,26,16,.15);
}
.stamp.verdigris { border-color: var(--verdigris); color: var(--verdigris); }

/* ── hero（首页专用）───────────────────────────────────── */
.hero { position: relative; height: 78vh; min-height: 460px; overflow: hidden; border-bottom: 3px double var(--accent); }
.hero img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: saturate(.88) contrast(1.04); }
.hero .shade { position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(20,14,8,.5), rgba(20,14,8,.1) 45%, var(--paper) 96%); }
.hero .title { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; color: var(--cream); padding: 0 20px; }
.hero h1 { font-size: clamp(40px, 8vw, 84px); letter-spacing: .16em; font-family: "Noto Sans SC", sans-serif; font-weight: 800; text-shadow: 0 2px 24px rgba(0,0,0,.5); }
.hero .sub { margin-top: 16px; max-width: 580px; text-shadow: 0 1px 10px rgba(0,0,0,.55); font-size: 15px; }
.hero .tag { letter-spacing: .5em; font-size: 12px; margin-bottom: 14px; opacity: .92; font-family: "Noto Sans SC", sans-serif; }
.hero .plate-no { position: absolute; bottom: 18px; right: 24px; color: rgba(247,240,222,.75); font-size: 11px; letter-spacing: .1em; }

/* ── 布局 ──────────────────────────────────────────────── */
.wrap { max-width: 960px; margin: 0 auto; padding: 44px 24px; }
.wrap-wide { max-width: 1120px; margin: 0 auto; padding: 44px 24px; }
.section-alt { background: var(--paper-2); }
.section-dark { background: var(--dark); color: var(--cream); }
.rule { border: none; border-top: 1px solid var(--line); margin: 6px 0 30px; }
.rule.double { border-top: 3px double var(--line-strong); }

/* ── 卡片网格：像档案柜里的分类夹 ────────────────────────── */
.grid { display: grid; gap: 20px; margin-top: 28px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.card {
  background: var(--paper-card); border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  padding: 22px; box-shadow: 0 1px 3px rgba(36,26,16,.08);
}
.card.verdigris { border-top-color: var(--verdigris); }
.card h3 { font-size: 19px; margin-bottom: 8px; font-family: "Noto Sans SC", sans-serif; font-weight: 700; }
.card p { color: var(--ink-soft); font-size: 14px; }
.card .badge {
  display: inline-block; background: var(--accent-soft); color: var(--accent);
  font-size: 11px; letter-spacing: .08em; padding: 2px 10px; margin-bottom: 12px;
  font-family: "Noto Sans SC", sans-serif; font-weight: 700;
}
.card .badge.verdigris { background: var(--verdigris-soft); color: var(--verdigris); }
.stat { text-align: center; }
.stat .num { font-size: 28px; font-weight: 800; color: var(--ink); font-family: "Noto Sans SC", sans-serif; }
.stat .lbl { margin-top: 6px; font-size: 12.5px; color: var(--muted); letter-spacing: .04em; }

/* ── 图文并排 ──────────────────────────────────────────── */
.split { display: grid; gap: 36px; align-items: start; grid-template-columns: 1fr; }
@media (min-width: 820px) { .split { grid-template-columns: 1fr 1fr; } }

/* ── 图版（archive plate 图注框） ────────────────────────── */
figure.plate { border: 1px solid var(--line-strong); background: var(--paper-card); }
figure.plate img { border-bottom: 1px solid var(--line); }
figure.plate figcaption {
  padding: 10px 14px; display: flex; justify-content: space-between; gap: 10px;
  font-size: 12px; color: var(--muted);
}
figure.plate figcaption .no { font-family: ui-monospace, Consolas, monospace; color: var(--accent); flex-shrink: 0; }
.plate-gallery { display: grid; gap: 22px; margin-top: 30px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

/* ── 图标套件 ──────────────────────────────────────────── */
.icon-row { display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); margin-top: 26px; }
.icon-row figure { text-align: center; }
.icon-row img { width: 116px; margin: 0 auto; border-radius: 50%; border: 2px solid var(--line-strong); background: #fff; box-shadow: 0 2px 8px rgba(36,26,16,.14); }
.icon-row figcaption { margin-top: 10px; font-weight: 800; color: var(--ink-soft); font-family: "Noto Sans SC", sans-serif; font-size: 13.5px; }
.icon-row p { font-size: 11.5px; color: var(--muted); margin-top: 4px; }

/* ── 文章块 ────────────────────────────────────────────── */
article.essay { background: var(--paper-card); border: 1px solid var(--line); padding: 30px 32px; margin-top: 24px; }
article.essay h3 { font-size: 22px; font-family: "Noto Sans SC", sans-serif; font-weight: 700; }
article.essay h4 { margin: 20px 0 8px; font-size: 16px; color: var(--accent-2); font-family: "Noto Sans SC", sans-serif; font-weight: 700; }
article.essay p { margin-top: 12px; color: var(--ink-soft); font-size: 15px; }
article.essay ul, article.essay ol { margin: 10px 0 0 22px; color: var(--ink-soft); font-size: 15px; }
article.essay li { margin-top: 6px; }
article.essay blockquote { border-left: 3px solid var(--accent); padding: 4px 16px; margin-top: 14px; color: var(--muted); font-size: 14px; font-style: italic; }
article.essay .badge { display: inline-block; background: var(--accent-soft); color: var(--accent); font-size: 11px; letter-spacing: .06em; padding: 2px 10px; margin-bottom: 10px; font-family: "Noto Sans SC", sans-serif; font-weight: 700; }
article.essay .badge.verdigris { background: var(--verdigris-soft); color: var(--verdigris); }

/* ── 人物志名录卡 ──────────────────────────────────────── */
.dossier-card {
  background: var(--paper-card); border: 1px solid var(--line-strong);
  display: grid; grid-template-columns: 96px 1fr; gap: 16px; padding: 18px;
}
.dossier-card .avatar { width: 96px; height: 96px; object-fit: cover; border: 1px solid var(--line-strong); }
.dossier-card .name { font-family: "Noto Sans SC", sans-serif; font-weight: 800; font-size: 16px; }
.dossier-card .role { font-size: 11.5px; color: var(--verdigris); letter-spacing: .08em; margin: 2px 0 8px; font-family: "Noto Sans SC", sans-serif; }
.dossier-card p { font-size: 13px; color: var(--ink-soft); }

/* ── 时间线 ────────────────────────────────────────────── */
.timeline { list-style: none; margin-top: 34px; padding-left: 28px; border-left: 2px solid #6b5836; }
.timeline li { position: relative; margin-bottom: 28px; }
.timeline li::before { content: ""; position: absolute; left: -37px; top: 7px; width: 12px; height: 12px; border: 2px solid var(--accent); background: var(--dark); }
.timeline li.verdigris::before { border-color: var(--verdigris); }
.timeline .year { font-size: 19px; font-weight: 800; color: var(--cream); font-family: "Noto Sans SC", sans-serif; }
.timeline p { color: #cbbfa4; margin-top: 4px; font-size: 13.5px; }

.loop-badge { display: inline-flex; align-items: center; gap: 10px; background: var(--paper-card); border: 1px solid var(--line-strong); padding: 8px 18px; font-size: 13px; color: var(--ink-soft); margin-top: 16px; font-family: "Noto Sans SC", sans-serif; }
.loop-badge strong { color: var(--ink); font-size: 17px; }

/* ── 页脚 ──────────────────────────────────────────────── */
.site-footer { border-top: 3px double var(--accent); background: var(--dark-2); color: var(--cream); text-align: center; padding: 30px 20px; }
.site-footer .motto { font-size: 16px; color: var(--cream); }
.site-footer .meta { margin-top: 8px; font-size: 11.5px; letter-spacing: .1em; color: #c9b48c; }
.site-footer .back-row { margin-top: 16px; }
.site-footer .back-row a {
  color: var(--verdigris-soft); border: 1px solid rgba(219,230,222,.35); padding: 6px 16px;
  font-size: 12.5px; font-family: "Noto Sans SC", sans-serif;
}
.site-footer .back-row a:hover { background: rgba(219,230,222,.1); }

@media (max-width: 640px) {
  .dossier-meta { flex-direction: column; }
  .dossier-card { grid-template-columns: 72px 1fr; }
  .dossier-card .avatar { width: 72px; height: 72px; }
}