/* 信境门户。色值来源：docs/官网配色参考-2026-10-02.md。
   Monocle：纸色 / 黑 / 黄；Kinfolk：细线 / 暖灰。字体按 SIL OFL 随项目提供。 */
@import url("../../css/fonts.css");
:root {
  color-scheme: light;
  --bg:#fdfcf3; --bg-soft:#f7f4f2; --panel:#fdfcf3; --panel-2:#fdfbe4;
  --line:#d0d0d0; --line-soft:#d0d0d0; --ink:#000000;
  --ink-dim:#6e6e6e; --ink-faint:#6e6e6e; --acc:#000000; --acc-2:#000000;
  --amber:#000000; --yellow:#ffc500; --red:#7f0019;
  --sans:"Noto Sans SC",system-ui,sans-serif; --mono:var(--sans); --rad:0; --nav-h:80px;
}
* { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; scroll-padding-top:100px; }
body { background:var(--bg); color:var(--ink); font-family:var(--sans); font-synthesis:none; line-height:1.8; -webkit-font-smoothing:antialiased; }
[hidden] { display:none !important; }
a { color:inherit; text-decoration:none; text-underline-offset:5px; }
a:hover { text-decoration:underline; }
button,input { font:inherit; }
button,.btn { touch-action:manipulation; }
img { max-width:100%; display:block; height:auto; }
h1,h2,h3,.nav-brand { font-weight:900; line-height:1.35; letter-spacing:-.025em; }
p { overflow-wrap:anywhere; }
:focus-visible { outline:2px solid var(--ink); outline-offset:5px; }
.wrap,.nav-in,.foot-in { max-width:1200px; margin:0 auto; padding:0 32px; }
.skip-link { position:fixed; z-index:100; left:16px; top:-100px; padding:10px 16px; background:var(--yellow); }
.skip-link:focus { top:8px; }
/* 共用导航 */
.nav { position:sticky; top:0; z-index:50; background:var(--bg); border-bottom:1px solid var(--ink); }
.nav-in { min-height:var(--nav-h); display:flex; align-items:center; gap:20px; }
.nav-brand { flex:none; font-size:28px; letter-spacing:-.06em; }
.nav-brand span { font-weight:900 !important; letter-spacing:-.06em !important; }
.nav-brand:hover { text-decoration:none; }
.nav-brand img { height:30px; width:auto; }
.nav-links { display:flex; align-items:center; gap:18px; margin-left:auto; font-size:13px; }
.nav-links>a { white-space:nowrap; padding:8px 0; border-bottom:3px solid transparent; }
.nav-links>a.on { border-color:var(--yellow); }
.nav-links>a:hover { border-color:var(--ink); text-decoration:none; }
.nav-tag { font-size:11px; color:var(--ink-dim); white-space:nowrap; }
.nav-auth { display:flex; align-items:center; gap:10px; max-width:280px; }
.nav-user { max-width:80px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; font-size:12px; }
.nav-login,.nav-me,.nav-logout { white-space:nowrap; font-size:12px; }
.nav-login { padding:7px 10px; border:1px solid var(--ink); }
.nav-login:hover { background:var(--yellow); text-decoration:none; }
.nav-logout:hover { color:var(--red); }
.nav-burger { display:none; flex:none; position:relative; width:44px; height:44px; margin-left:auto; border:1px solid var(--ink); background:transparent; cursor:pointer; }
.nav-burger span,.nav-burger span::before,.nav-burger span::after { position:absolute; content:""; width:20px; height:2px; background:var(--ink); left:11px; }
.nav-burger span { top:20px; }
.nav-burger span::before { top:-6px; left:0; }
.nav-burger span::after { top:6px; left:0; }
.nav-open .nav-burger span { background:transparent; }
.nav-open .nav-burger span::before { top:0; transform:rotate(45deg); }
.nav-open .nav-burger span::after { top:0; transform:rotate(-45deg); }
.section { padding:52px 0; }
.section.alt { background:var(--bg-soft); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.eyebrow,.kicker { font-size:12px; color:var(--ink-dim); margin-bottom:10px; letter-spacing:.04em; }
.sec-title { font-size:clamp(24px,3vw,32px); margin-bottom:12px; }
.sec-lead { color:var(--ink-dim); max-width:640px; }
.hero-h { font-size:36px; margin-bottom:16px; }
.btn { display:inline-flex; align-items:center; justify-content:center; gap:20px; min-height:44px; padding:10px 18px; font-size:14px; line-height:1.6; font-weight:900; border:1px solid var(--ink); border-radius:0; background:transparent; cursor:pointer; }
.btn:hover { text-decoration:none; background:var(--ink); color:var(--bg); }
.btn-acc { background:var(--yellow); }
.btn-ghost { color:var(--ink); }
.btn-wide { width:100%; }
.text-link { display:inline-flex; align-items:center; gap:10px; min-height:44px; font-size:13px; white-space:nowrap; }
.text-link span { font-size:18px; }
/* 栏目式首页 */
.page-intro { display:flex; align-items:end; justify-content:space-between; gap:28px; padding:34px 0 30px; border-bottom:1px solid var(--ink); }
.page-intro h1 { font-size:clamp(28px,3.6vw,42px); }
.page-intro>p { max-width:360px; font-size:13px; color:var(--ink-dim); }
.frontpage-lead { display:grid; grid-template-columns:minmax(0,2fr) minmax(260px,1fr); gap:36px; padding:30px 0 36px; }
.featured-practice,.practice-aside { min-width:0; }
.feature-heading { display:flex; align-items:center; justify-content:space-between; gap:16px; margin-bottom:10px; }
.feature-heading h2 { font-size:30px; }
.feature-summary { font-size:14px; max-width:630px; margin-bottom:22px; }
.practice-preview img { width:100%; border:1px solid var(--line); }
.practice-preview a { display:block; }
.practice-preview figcaption { margin-top:8px; color:var(--ink-dim); font-size:11px; }
.practice-aside { border-left:1px solid var(--line); padding-left:30px; }
.entry-section { padding:20px 0; border-bottom:1px solid var(--line); }
.entry-section:first-child { padding-top:0; }
.entry-section:last-child { border-bottom:0; padding-bottom:0; }
.entry-section h2 { font-size:21px; margin-bottom:10px; }
.entry-section>p:not(.eyebrow) { font-size:13px; color:var(--ink-dim); margin-bottom:10px; }
.entry-section .btn { width:100%; justify-content:space-between; margin-top:8px; }
.entry-section .entry-note { font-size:11px !important; margin-bottom:0 !important; }
.practice-directory { border-top:2px solid var(--ink); }
.section-heading { display:flex; align-items:center; justify-content:space-between; gap:20px; padding:20px 0 12px; }
.section-heading h2 { font-size:24px; }
.practice-list { list-style:none; }
.practice-list li { display:grid; grid-template-columns:130px minmax(0,1fr) 160px 58px; gap:22px; align-items:center; border-bottom:1px solid var(--line); padding:18px 0; }
.practice-list h3 { font-size:19px; }
.practice-list p { font-size:13px; }
.practice-type { font-size:11px; color:var(--ink-dim); }
.project-overview { display:grid; grid-template-columns:1.5fr 1fr; gap:80px; padding:42px 0 16px; }
.project-overview h2 { font-size:25px; margin-bottom:12px; }
.project-overview p:not(.eyebrow) { max-width:600px; font-size:13px; color:var(--ink-dim); margin-bottom:8px; }
.project-facts>div { display:flex; align-items:baseline; justify-content:space-between; gap:16px; padding:9px 0; border-bottom:1px solid var(--line); }
.project-facts dt { color:var(--ink-dim); font-size:12px; }
.project-facts dd { font-size:16px; }
.project-facts small { font-size:10px; color:var(--ink-dim); margin-left:6px; }
/* 其他门户页面保留内容与接口，共用实色和黑体 */
.game-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); column-gap:38px; }
.gcard { min-width:0; padding:24px 0; border-top:1px solid var(--line); }
.gcard-top { display:flex; align-items:center; gap:12px; margin-bottom:12px; }
.gcard-ico { width:36px; height:36px; display:grid; place-items:center; }
.gcard-ico svg,.gcard-ico img { width:28px; height:28px; object-fit:contain; filter:grayscale(1); }
.gcard h3 { font-size:21px; }
.gcard .en { font-size:10px; color:var(--ink-dim); }
.gcard p { color:var(--ink-dim); font-size:14px; margin-bottom:14px; }
.tags { display:flex; gap:8px; flex-wrap:wrap; }
.tag { font-size:11px; padding:2px 8px; border:1px solid var(--line); }
.tag.state { background:var(--panel-2); }
.checklist { list-style:none; }
.checklist li { padding:8px 0; font-size:13px; color:var(--ink-dim); border-bottom:1px solid var(--line); }
.split { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:42px; align-items:center; }
.split img.rounded { border:1px solid var(--line); }
.eco { display:flex; flex-wrap:wrap; align-items:center; gap:20px; padding:22px; background:var(--panel-2); border:1px solid var(--line); }
.eco img { height:40px; width:auto; }
.eco p { font-size:13px; color:var(--ink-dim); max-width:640px; }
.stats { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); border-top:1px solid var(--ink); border-bottom:1px solid var(--line); }
.stats.stats-3 { grid-template-columns:repeat(3,minmax(0,1fr)); }
.stat { padding:20px 16px; border-left:1px solid var(--line); }
.stat:first-child { border-left:0; }
.stat b { display:block; font-size:30px; font-weight:900; }
.stat span { font-size:13px; color:var(--ink-dim); }
.stat small { display:block; font-size:11px; color:var(--ink-dim); margin-top:4px; }
.steps { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:24px; }
.step { padding-top:16px; border-top:2px solid var(--ink); }
.step h3 { font-size:19px; margin-bottom:8px; }
.step p { font-size:13px; color:var(--ink-dim); }
.evidence { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:24px; margin-bottom:28px; }
.ev-card { padding:18px 0; border-top:1px solid var(--line); }
.ev-card b { display:block; font-weight:900; font-size:30px; }
.ev-card p { font-size:13px; color:var(--ink-dim); }
.ev-card cite,.src-note { font-style:normal; font-size:11px; color:var(--ink-dim); line-height:1.8; }
.ev-card cite { display:block; padding-top:8px; }
.src-note { margin-top:16px; }
.timeline { border-left:1px solid var(--line); padding-left:24px; }
.tl-item { padding-bottom:28px; }
.tl-item h3 { font-size:19px; margin:6px 0; }
.tl-date,.tl-item p { font-size:13px; color:var(--ink-dim); }
.team-grid { display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:20px; }
.team-cell img { aspect-ratio:1; object-fit:cover; }
.team-cell span { display:block; font-size:12px; margin-top:8px; }
.risk-band { display:flex; flex-wrap:wrap; gap:20px; }
.risk-cell { border-top:1px solid var(--line); padding:10px; }
.risk-cell b { display:block; font-size:16px; }
.risk-cell i { font-style:normal; font-size:10px; color:var(--ink-dim); }
.auth-hero { min-height:calc(100vh - var(--nav-h)); display:grid; place-items:center; padding:48px 24px; }
.auth-card { width:min(440px,100%); padding:30px; border:1px solid var(--ink); }
.auth-card>span { display:block; font-weight:900 !important; font-size:28px; margin-bottom:22px; }
.auth-tabs { display:flex; border-bottom:1px solid var(--line); margin-bottom:24px; }
.auth-tab { flex:1; text-align:center; padding:10px 0; cursor:pointer; border-bottom:3px solid transparent; font-size:14px; }
.auth-tab.on { border-bottom-color:var(--yellow); font-weight:900; }
.field { margin-bottom:18px; }
.field label { display:block; font-size:13px; margin-bottom:6px; }
.field input { width:100%; background:transparent; border:1px solid var(--line); border-radius:0; color:var(--ink); padding:11px 12px; font-size:16px; }
.field input:focus { border-color:var(--ink); }
.auth-row { display:flex; align-items:center; justify-content:space-between; margin-bottom:18px; font-size:13px; }
.auth-msg { min-height:20px; color:var(--red); font-size:13px; margin-bottom:10px; }
.auth-msg.ok { color:var(--ink); }
.auth-note { font-size:11px; color:var(--ink-dim); border-top:1px solid var(--line); padding-top:18px; margin-top:24px; }
footer { background:var(--bg); border-top:1px solid var(--ink); padding:26px 0; margin-top:36px; }
.foot-top { display:flex; align-items:center; justify-content:space-between; gap:24px; margin-bottom:18px; }
.foot-brand { font-weight:900; font-size:16px; }
.foot-links { display:flex; flex-wrap:wrap; gap:20px; font-size:12px; }
.disclaimer { font-size:11px; color:var(--ink-dim); line-height:1.9; max-width:900px; }
.corner-brand { display:none; }
@media (max-width:1100px) { .nav-tag { display:none; } }
@media (max-width:980px) {
  :root { --nav-h:68px; }
  .nav-in { flex-wrap:wrap; }
  .nav-links { flex-wrap:wrap; justify-content:flex-start; margin:0; padding-bottom:10px; }
  .js-ready .nav-burger { display:block; }
  .js-ready .nav-links { display:none; position:absolute; top:100%; left:0; right:0; flex-direction:column; align-items:stretch; gap:0; padding:12px 24px 20px; background:var(--bg); border-bottom:1px solid var(--ink); max-height:calc(100dvh - var(--nav-h)); overflow-y:auto; }
  .js-ready.nav-open .nav-links { display:flex; }
  .nav-links>a { padding:10px 0; border-bottom:1px solid var(--line); font-size:14px; }
  .nav-links>a.on { border-bottom-color:var(--ink); font-weight:900; }
  .nav-auth { margin-top:14px; max-width:none; }
  .nav-user { max-width:140px; }
  .nav-login { display:block; padding:10px 14px; }
  .frontpage-lead { gap:26px; grid-template-columns:minmax(0,1.6fr) minmax(230px,1fr); }
  .practice-aside { padding-left:24px; }
  .practice-list li { grid-template-columns:115px minmax(0,1fr) 50px; gap:18px; }
  .practice-type { display:none; }
  .project-overview { gap:36px; }
  .steps { grid-template-columns:repeat(2,minmax(0,1fr)); }
}
@media (max-width:700px) {
  .wrap,.nav-in,.foot-in { padding-left:20px; padding-right:20px; }
  .page-intro { display:block; padding:24px 0; }
  .page-intro>p { margin-top:14px; }
  .frontpage-lead { grid-template-columns:minmax(0,1fr); padding-top:24px; }
  .feature-heading h2 { font-size:27px; }
  .feature-summary { font-size:13px; margin-bottom:16px; }
  .practice-aside { border-left:0; padding-left:0; border-top:1px solid var(--ink); }
  .entry-section:first-child { padding-top:20px; }
  .entry-section .btn { width:auto; min-width:200px; }
  .practice-list li { grid-template-columns:minmax(0,1fr) 52px; gap:4px 14px; padding:14px 0; }
  .practice-list li>p { grid-column:1; color:var(--ink-dim); }
  .practice-list li>.text-link { grid-column:2; grid-row:1/3; }
  .practice-list h3 { font-size:18px; }
  .section-heading { gap:14px; }
  .section-heading h2 { font-size:22px; }
  .project-overview,.split,.game-grid,.evidence { grid-template-columns:minmax(0,1fr); }
  .project-overview { padding-top:30px; gap:20px; }
  .section { padding:36px 0; }
  .stats,.stats.stats-3 { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .stat { border:0; border-bottom:1px solid var(--line); }
  .team-grid { grid-template-columns:repeat(3,minmax(0,1fr)); }
  .foot-top { align-items:flex-start; flex-direction:column; gap:12px; }
  .foot-links { gap:10px 18px; }
}
@media (max-width:360px) {
  .wrap,.nav-in,.foot-in { padding-left:16px; padding-right:16px; }
  .feature-heading { gap:8px; }
  .feature-heading h2 { font-size:25px; }
  .text-link { font-size:12px; gap:7px; }
  .steps { grid-template-columns:minmax(0,1fr); }
  .auth-card { padding:24px 18px; }
}
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } }