/* 自托管字体（禁 Google Fonts：国内加载不了 fonts.googleapis.com） */
@font-face{font-family:'Chivo';font-style:normal;font-weight:400 700;font-display:swap;
  src:url(assets/fonts/chivo-400.woff2) format('woff2')}
@font-face{font-family:'Michroma';font-style:normal;font-weight:400;font-display:swap;
  src:url(assets/fonts/michroma-400.woff2) format('woff2')}
@font-face{font-family:'Monoton';font-style:normal;font-weight:400;font-display:swap;
  src:url(assets/fonts/monoton-400.woff2) format('woff2')}
@font-face{font-family:'Space Mono';font-style:normal;font-weight:400;font-display:swap;
  src:url(assets/fonts/spacemono-400.woff2) format('woff2')}
@font-face{font-family:'Space Mono';font-style:normal;font-weight:700;font-display:swap;
  src:url(assets/fonts/spacemono-700.woff2) format('woff2')}
/* ============================================================================
   retrospace.wiki — 视觉：1970s 丝网印科幻海报 × CRT 终端
   配色由官方关键美术 PIL 量化得出：虚空黑 / 锈橙 / 奶油 / 芥末金 / CRT 青
   字体：Michroma（展示）· Space Mono（终端等宽）· Chivo（正文）· Monoton（霓虹贴纸）
   结构由母版 build_site.py 生成；本文件只负责皮肤，不引入任何依赖。
   ========================================================================== */
:root{
  --void:#08060a; --void-2:#0e0a0c; --panel:#150f10; --panel-2:#1d1514;
  --ink:#f1e3c6; --ink-soft:#d8c7a6; --muted:#a2907a;
  --rust:#c9542a; --rust-2:#e07a35; --ember:#823b2b;
  --gold:#d9a03c; --teal:#4fa39b; --teal-2:#7fc4b6; --neon:#ff8fbf;
  --good:#8bbf6a; --danger:#e0452c; --line:#3a2a22; --line-2:#523b2e;
  --hard:#000; --radius:3px; --radius-sm:2px; --maxw:1140px;
  --font:"Chivo",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --display:"Michroma","Chivo",system-ui,sans-serif;
  --label:"Space Mono",ui-monospace,"Courier New",monospace;
  --neon-font:"Monoton","Space Mono",monospace;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{background:var(--void);scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);font:16.5px/1.7 var(--font);background:var(--void);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
/* 印刷网点噪点 + 黑洞辉光（官方图里的颗粒与暗角） */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.055;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/></filter><rect width='140' height='140' filter='url(%23n)' opacity='.55'/></svg>");
  mix-blend-mode:overlay;
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(1100px 620px at 78% -8%,rgba(201,84,42,.16),transparent 65%),
             radial-gradient(900px 520px at 6% 12%,rgba(79,163,155,.10),transparent 60%),
             radial-gradient(140% 120% at 50% 50%,transparent 42%,rgba(0,0,0,.55) 100%);
}
main,.topbar,.ribbon,.foot{position:relative;z-index:1}
img{max-width:100%;height:auto}
a{color:var(--gold);text-decoration:none;border-bottom:1px solid rgba(217,160,60,.35)}
a:hover{color:var(--rust-2);border-bottom-color:var(--rust-2)}
a:focus-visible{outline:2px dashed var(--teal-2);outline-offset:3px}
h1,h2,h3{font-family:var(--display);text-transform:uppercase;letter-spacing:.01em;line-height:1.16}
code{font-family:var(--label);font-size:.92em;background:rgba(79,163,155,.12);color:var(--teal-2);padding:1px 5px;border-radius:2px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:10px;top:10px;background:var(--gold);color:var(--hard);padding:8px 14px;z-index:60;font-family:var(--label)}

/* ---------------------------------------------------------------- 顶部缎带 */
.ribbon{
  font-family:var(--label);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold);background:linear-gradient(180deg,#120d0d,#0a0708);
  border-bottom:3px solid transparent;
  border-image:repeating-linear-gradient(45deg,var(--gold) 0 9px,var(--hard) 9px 18px) 3;
}
.ribbon .wrap{padding:7px 20px}
/* ---------------------------------------------------------------- 导航 */
.topbar{position:sticky;top:0;z-index:30;background:rgba(10,7,8,.94);
  border-bottom:1px solid var(--line-2);backdrop-filter:blur(6px)}
.topbar .bar{display:flex;align-items:center;gap:16px;min-height:66px}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink);border:0;font-family:var(--display);
  font-size:15px;letter-spacing:.06em;text-transform:uppercase}
.brand:hover{color:var(--gold);border:0}
.brand img{width:40px;height:40px;border:1px solid var(--line-2);background:var(--void-2);
  box-shadow:3px 3px 0 var(--hard)}
.nav{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav ul{display:flex;gap:6px;margin:0;padding:0;list-style:none;flex-wrap:wrap}
.nav > ul > li{position:relative}
.nav > ul > li > a{display:inline-flex;align-items:center;padding:9px 10px;color:var(--ink);
  border:0;font-family:var(--label);font-size:12.5px;letter-spacing:.09em;text-transform:uppercase}
.nav > ul > li > a:hover{color:var(--gold);background:rgba(217,160,60,.08)}
.nav .active > a{color:var(--rust-2);box-shadow:inset 0 -2px 0 var(--rust)}
.nav li.has-kids > a::after{content:"▾";margin-left:6px;font-size:11.5px;opacity:.95;transition:transform .18s ease}
.nav li.has-kids:hover > a::after,.nav li.has-kids:focus-within > a::after{transform:rotate(180deg)}
/* 下拉面板贴平 top:100%，再补一条透明 hover 桥，鼠标路径上不留死区 */
.nav .kids{display:none;position:absolute;top:100%;left:-6px;min-width:238px;background:var(--panel);
  border:1px solid var(--line-2);box-shadow:6px 6px 0 var(--hard);padding:6px;flex-direction:column;z-index:40}
.nav li.has-kids:hover .kids,.nav li.has-kids:focus-within .kids{display:flex}
.nav li.has-kids::after{content:"";position:absolute;left:-10px;right:-10px;top:100%;height:14px;z-index:39}
.nav .kids li a{display:block;padding:8px 10px;color:var(--ink-soft);border:0;font-size:14px;font-family:var(--font)}
.nav .kids li a:hover{background:rgba(201,84,42,.16);color:var(--ink)}
.nav .cta{display:inline-flex;align-items:center;gap:7px;background:var(--rust);color:#fff7ea;
  border:1px solid #e58a5c;padding:9px 14px;font-family:var(--label);font-size:12px;letter-spacing:.1em;
  text-transform:uppercase;box-shadow:4px 4px 0 var(--hard)}
.nav .cta:hover{background:var(--rust-2);color:#1a0d07;box-shadow:5px 5px 0 var(--hard)}

/* ---------------------------------------------------------------- hero */
.hero{position:relative;min-height:470px;display:flex;align-items:flex-end;
  background-image:linear-gradient(100deg,rgba(8,6,10,.94) 0%,rgba(8,6,10,.74) 38%,rgba(8,6,10,.30) 62%,rgba(8,6,10,.66) 100%),
    var(--hero);
  background-size:cover,cover;background-position:50% 28%,50% 28%;background-repeat:no-repeat;
  border-bottom:3px solid transparent;
  border-image:repeating-linear-gradient(45deg,var(--gold) 0 9px,var(--hard) 9px 18px) 3;
}
.hero-in{padding:74px 20px 46px}
.sticker{position:absolute;top:22px;right:22px;transform:rotate(-6deg);background:var(--rust);
  color:#fff5e6;border:2px solid #f0d3ac;padding:9px 13px;font-family:var(--neon-font);
  font-size:12.5px;line-height:1.35;letter-spacing:.06em;text-align:center;box-shadow:5px 5px 0 var(--hard)}
.eyebrow{margin:0 0 12px;font-family:var(--label);font-size:12.5px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--gold)}
.hero h1{margin:0 0 14px;font-size:clamp(2.05rem,5.6vw,3.9rem);color:#fff6e6;
  text-shadow:4px 4px 0 rgba(0,0,0,.62)}
.hero .lead{margin:0 0 22px;max-width:620px;color:var(--ink-soft);font-size:1.06rem}
.hero-cta{margin:0;display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-block;background:var(--rust);color:#fff7ea;border:1px solid #e58a5c;padding:12px 18px;
  font-family:var(--label);font-size:12.5px;letter-spacing:.11em;text-transform:uppercase;
  box-shadow:5px 5px 0 var(--hard);transition:transform .15s ease,box-shadow .15s ease}
.btn:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 var(--hard);color:#1a0d07;background:var(--gold);border-color:#f0d3ac}
.btn.ghost{background:rgba(8,6,10,.5);color:var(--ink);border:2px solid var(--ink)}
.btn.ghost:hover{background:rgba(241,227,198,.1);color:#fff}

/* ---------------------------------------------------------------- 任务日志事实条 */
.facts-strip{background:linear-gradient(180deg,var(--panel),#0c0909);border-bottom:1px solid var(--line);
  border-top:1px solid var(--line-2)}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(178px,1fr));gap:0;
  padding:0;border-left:1px solid var(--line)}
.fact{display:flex;flex-direction:column;justify-content:flex-start;padding:16px 18px;border-right:1px solid var(--line);position:relative}
.fact::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:repeating-linear-gradient(90deg,var(--gold) 0 4px,transparent 4px 10px);opacity:.55}
.fact-k{display:block;font-family:var(--label);font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--teal-2);margin-bottom:6px}
.fact-v{display:block;font-family:var(--display);font-size:13.5px;color:var(--ink);line-height:1.45;letter-spacing:0}

/* ---------------------------------------------------------------- 分节标题 */
.section-head{margin:44px 0 18px;border-bottom:1px solid var(--line);padding-bottom:12px}
.section-head .overline{display:inline-block;font-family:var(--label);font-size:11px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--rust-2);margin-bottom:8px}
.section-head .overline::before{content:"▚ ";color:var(--gold)}
.section-head h2{margin:0;font-size:clamp(1.2rem,2.6vw,1.6rem);display:flex;align-items:center;gap:12px}
.count-pill{font-family:var(--label);font-size:12px;background:var(--gold);color:#180d06;
  padding:2px 8px;border:1px solid #f0d3ac;box-shadow:2px 2px 0 var(--hard)}

/* ---------------------------------------------------------------- 卡片 */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(272px,1fr));gap:20px;margin:0 0 8px}
.card{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line-2);
  border-left:4px solid var(--rust);color:var(--ink);box-shadow:5px 5px 0 var(--hard);
  transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}
.card:hover{transform:translate(-3px,-3px);box-shadow:9px 9px 0 var(--hard);border-left-color:var(--gold);color:var(--ink)}
.card .thumb{position:relative;display:block;overflow:hidden;border-bottom:1px solid var(--line);
  background:var(--void-2)}
.card .thumb img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;filter:saturate(1.03) contrast(1.03)}
.card .pill-tag{position:absolute;top:9px;left:9px;background:var(--gold);color:#180d06;
  font-family:var(--label);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;
  padding:3px 7px;transform:rotate(-1.5deg);box-shadow:2px 2px 0 var(--hard)}
.card-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-body h3{margin:0;font-size:1rem;letter-spacing:.02em}
.card-body p{margin:0;color:var(--ink-soft);font-size:14.5px;line-height:1.6}
.card .go{font-family:var(--label);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--rust-2);margin-top:auto}
.card .stamp{font-family:var(--label);font-size:10.5px;letter-spacing:.1em;color:var(--muted)}
.card.sm{border-left-width:4px}

/* ---------------------------------------------------------------- 文章 */
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 244px;gap:36px;padding:30px 20px 60px}
.crumb{font-family:var(--label);font-size:11.5px;letter-spacing:.08em;color:var(--muted);margin-bottom:16px}
.crumb a{color:var(--muted);border:0}
.crumb a:hover{color:var(--gold)}
.crumb .sep{margin:0 6px;color:var(--line-2)}
.crumb .here{color:var(--teal-2)}
article h1{font-size:clamp(1.6rem,3.6vw,2.4rem);margin:0 0 18px;color:#fff6e6}
article h2{font-size:1.24rem;margin:38px 0 12px;padding-left:13px;border-left:4px solid var(--rust)}
article h2::after{content:"";display:block;margin-top:9px;height:1px;background:linear-gradient(90deg,var(--line-2),transparent)}
article h3{font-size:1rem;margin:24px 0 8px;color:var(--gold)}
article p{margin:0 0 15px}
article ul,article ol{margin:0 0 16px;padding-left:22px}
article li{margin:0 0 7px}
article strong{color:#fff6e6}
article blockquote{margin:0 0 18px;padding:8px 0 8px 16px;border-left:4px solid var(--rust-2);
  color:var(--ink-soft);font-style:italic}
article img{border:1px solid var(--line-2);box-shadow:5px 5px 0 var(--hard);margin:6px 0 18px}
img.zoom{cursor:zoom-in}
/* CRT 终端结论框 */
.quick-answer{position:relative;margin:0 0 26px;padding:20px 20px 18px;background:
  repeating-linear-gradient(180deg,rgba(79,163,155,.05) 0 2px,transparent 2px 5px),#0b100f;
  border:2px solid var(--teal);box-shadow:5px 5px 0 var(--hard)}
.quick-answer p{margin:0;font-family:var(--label);font-size:15px;color:var(--teal-2)}
.qa-stamp{position:absolute;top:-13px;left:16px;background:var(--teal);color:#04211f;
  font-family:var(--label);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  padding:3px 9px;transform:rotate(-1.6deg);box-shadow:2px 2px 0 var(--hard)}
/* 表格 */
.tbl-wrap{overflow-x:auto;margin:0 0 20px;border:1px solid var(--line-2);box-shadow:5px 5px 0 var(--hard)}
table{border-collapse:collapse;width:100%;font-size:14.5px;background:var(--panel)}
th{background:var(--ember);color:#fff3e3;font-family:var(--label);font-size:11.5px;letter-spacing:.1em;
  text-transform:uppercase;text-align:left;padding:10px 13px;border-right:1px solid rgba(0,0,0,.35)}
td{padding:10px 13px;border-top:1px solid var(--line);vertical-align:top;color:var(--ink-soft)}
tbody tr:nth-child(even){background:rgba(255,255,255,.022)}
td:first-child{color:var(--ink);font-weight:600}
/* callout */
.callout{margin:0 0 20px;padding:15px 18px;background:var(--panel-2);border:1px solid var(--line-2);
  border-left:4px solid var(--gold)}
.callout p{margin:0 0 10px}
.callout p:last-child{margin:0}
/* 侧栏 TOC */
.toc{position:sticky;top:88px;align-self:start;border:1px solid var(--line-2);background:var(--panel);
  padding:14px 15px;box-shadow:5px 5px 0 var(--hard)}
.toc .overline{display:block;font-family:var(--label);font-size:10.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--teal-2);margin-bottom:10px}
.toc-list{display:flex;flex-direction:column;gap:7px}
.toc-list a{font-size:13.5px;color:var(--ink-soft);border:0;padding-left:14px;position:relative;line-height:1.45}
.toc-list a::before{content:"▸";position:absolute;left:0;color:var(--rust)}
.toc-list a:hover{color:var(--gold)}
/* 文末全部攻略 */
.all-guides{margin-top:44px;border-top:1px solid var(--line);padding-top:6px}

/* ---------------------------------------------------------------- 广告位 */
.ad-slot{margin:14px auto 0;max-width:var(--maxw);padding:0 20px}
.ad-inner{min-height:0}
@media (hover:hover) and (pointer:fine){.ad-slot{display:block}}
@media (hover:none),(pointer:coarse){.ad-slot{display:none}}

/* ---------------------------------------------------------------- 页脚 */
.foot{margin-top:20px;background:linear-gradient(180deg,#0c0909,var(--void));
  border-top:3px solid transparent;
  border-image:repeating-linear-gradient(45deg,var(--gold) 0 9px,var(--hard) 9px 18px) 3}
.foot .wrap{padding:28px 20px 34px}
.disclaimer{margin:0 0 12px;color:var(--muted);font-size:13.5px;max-width:900px}
.foot-links{margin:0 0 10px;font-family:var(--label);font-size:12px;letter-spacing:.1em;text-transform:uppercase}
.muted{margin:0;font-family:var(--label);font-size:11.5px;letter-spacing:.08em;color:var(--line-2)}

/* ---------------------------------------------------------------- 响应式 */
@media (max-width:960px){
  .article-grid{grid-template-columns:1fr;gap:0;padding:24px 20px 48px}
  .toc{display:none}
  .hero{min-height:400px;background-position:32% top,32% top}
  .nav > ul > li > a{padding:8px 8px;font-size:12px}
}
@media (max-width:700px){
  body{font-size:16px}
  .topbar .bar{flex-wrap:wrap;gap:10px;padding:10px 0;min-height:0}
  .nav{margin-left:0;width:100%;gap:8px;flex-wrap:wrap}
  .nav ul{gap:2px}
  .nav .cta{order:-1}
  .nav li.has-kids::after{display:none}
  .nav .kids{position:static;display:flex;box-shadow:none;border:0;background:transparent;
    border-left:2px solid var(--line-2);margin:4px 0 4px 8px;min-width:0}
  .hero{min-height:360px;background-position:36% top,36% top}
  .hero-in{padding:48px 20px 32px}
  .sticker{top:12px;right:12px;font-size:11px;padding:7px 10px}
  .grid{grid-template-columns:1fr;gap:16px}
  th,td{padding:9px 10px;font-size:13.5px}
}
@media (max-width:420px){
  .brand span{font-size:13px;letter-spacing:.04em}
  .hero h1{font-size:1.9rem}
  .btn{width:100%;text-align:center}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}