*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.75 var(--font);-webkit-font-smoothing:antialiased;overflow-wrap:anywhere}
img,svg{max-width:100%}
a{color:var(--link);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--link-h)}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.3;margin:0;color:var(--ink-strong,var(--ink))}
p{margin:0 0 1em}
code{font:.9em/1.4 var(--mono);background:var(--code-bg);padding:.1em .35em;border-radius:4px}
pre{background:var(--pre-bg);color:var(--pre-ink);padding:14px 16px;border-radius:var(--radius-s);overflow:auto;font:13.5px/1.6 var(--mono);margin:0 0 1.2em}
pre code{background:none;padding:0;color:inherit}
.wrap{width:min(1180px,100% - 32px);margin-inline:auto}
main,article,aside{min-width:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:.55em 1.1em;border-radius:var(--radius-btn);font-weight:700;text-decoration:none;border:2px solid transparent;cursor:pointer;font-family:inherit;font-size:.95rem;line-height:1.3}
.btn-aff{background:var(--cta);color:var(--cta-ink);border-color:var(--cta-line,var(--cta))}
.btn-aff:hover{background:var(--cta-h);color:var(--cta-ink)}
.btn-lg{font-size:1.05rem;padding:.75em 1.6em}
.bc-disc{font-size:.78rem;color:var(--muted)}
.crumbs{font-size:.85rem;color:var(--muted);margin:0 0 14px;display:flex;flex-wrap:wrap;gap:2px 0}
.crumbs a{color:var(--muted)}
.crumbs i{font-style:normal;margin:0 .5em;opacity:.6}
.lst{margin:0 0 1.1em;padding-left:1.35em}
.lst li{margin:.3em 0}
.note{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border-radius:var(--radius-s);margin:0 0 1.2em;background:var(--note-bg);border:1px solid var(--line);font-size:.95rem}
.note strong{flex:none;font-size:.78rem;padding:.15em .6em;border-radius:99px;background:var(--primary);color:var(--primary-ink);line-height:1.6;margin-top:.15em}
.note-warn strong{background:var(--warn);color:var(--warn-ink)}
.note-ok strong{background:var(--ok);color:var(--ok-ink)}
.note-ad strong{background:var(--muted);color:var(--bg)}
.keybox{margin:0 0 1.4em;padding:14px 16px;border-radius:var(--radius);background:var(--key-bg);border:1px solid var(--line)}
.keybox-label{display:inline-block;font-size:.78rem;font-weight:800;letter-spacing:.05em;color:var(--primary);margin-bottom:4px}
.keybox p{margin:0;font-size:1.02rem}
.tbl-wrap{overflow-x:auto;margin:0 0 1.4em;border:1px solid var(--line);border-radius:var(--radius-s);background:var(--surface)}
.tbl{width:100%;border-collapse:collapse;font-size:.92rem;min-width:520px}
.tbl th,.tbl td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.tbl thead th{background:var(--thead-bg);font-weight:800;white-space:nowrap}
.tbl tbody th{font-weight:700;white-space:nowrap}
.tbl.wide{min-width:940px}
.tbl tr:last-child th,.tbl tr:last-child td{border-bottom:0}
.faq{margin:1.8em 0 1em}
.faq h2{margin-bottom:12px}
.faq details{border:1px solid var(--line);border-radius:var(--radius-s);background:var(--surface);margin:0 0 8px;padding:0 14px}
.faq summary{cursor:pointer;font-weight:700;padding:12px 0;list-style-position:outside}
.faq details[open] summary{color:var(--primary)}
.faq details p{margin:0 0 12px;color:var(--ink)}
.steps{list-style:none;counter-reset:st;margin:0 0 1.4em;padding:0}
.steps>li{counter-increment:st;position:relative;padding:0 0 18px 54px;margin:0}
.steps>li::before{content:counter(st);position:absolute;left:0;top:0;width:38px;height:38px;border-radius:50%;background:var(--step-bg);color:var(--step-ink);display:grid;place-items:center;font-weight:800;font-family:var(--font-head)}
.steps>li:not(:last-child)::after{content:"";position:absolute;left:18px;top:42px;bottom:4px;width:2px;background:var(--line)}
.step-t{font-size:1.06rem;margin:4px 0 4px}
.step-note{font-size:.9rem;color:var(--muted)}
.linkcards{list-style:none;margin:0 0 1.4em;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:10px}
.linkcards li{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-s);padding:12px 14px;display:flex;flex-direction:column;gap:2px}
.linkcards li>a{font-weight:800;text-decoration:none}
.linkcards li>span{font-size:.88rem;color:var(--muted)}
.chips{list-style:none;padding:0;margin:0 0 1.2em;display:flex;flex-wrap:wrap;gap:8px}
.chips li{padding:.2em .8em;border-radius:99px;background:var(--chip-bg);border:1px solid var(--line);font-size:.86rem}
.cross{margin:1.4em 0;padding:12px 14px;border-left:4px solid var(--accent);background:var(--cross-bg);border-radius:0 var(--radius-s) var(--radius-s) 0;font-size:.98rem}
.cross-lead{color:var(--muted);margin-right:.5em}
.cross a{font-weight:800}
.ctabox{margin:1.4em 0;padding:18px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center}
.ctabox-t{margin:0;font-weight:700;flex:1 1 240px}
.bc-list{display:grid;gap:16px;margin:0 0 1.6em}
.bc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}
.bc-head{display:flex;align-items:center;flex-wrap:wrap;gap:8px 10px;margin-bottom:6px}
.bc-name{font-size:1.2rem;margin:0}
.bc-name small{font-size:.75em;font-weight:400;color:var(--muted)}
.bc-rank{display:inline-grid;place-items:center;min-width:30px;height:30px;padding:0 6px;border-radius:8px;background:var(--rank-bg);color:var(--rank-ink);font-weight:800;font-family:var(--font-head)}
.bc-badge{font-size:.76rem;font-weight:800;padding:.1em .7em;border-radius:99px;background:var(--gold);color:var(--gold-ink)}
.bc-tag{margin:0 0 .6em;color:var(--ink)}
.bc-why{margin:0 0 .6em;font-size:.95rem;background:var(--key-bg);padding:8px 10px;border-radius:var(--radius-s)}
.bc-why b,.bc-fit b,.bc-warn b{color:var(--primary);margin-right:.5em;font-size:.82rem}
.bc-specs{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:6px 18px;margin:0 0 .7em}
.bc-specs div{min-width:0}
.bc-specs dt{font-size:.76rem;color:var(--muted);font-weight:700}
.bc-specs dd{margin:0;font-size:.92rem}
.bc-empty{margin:0 0 .7em;padding:8px 10px;border-radius:var(--radius-s);background:var(--note-bg);font-size:.92rem;color:var(--muted)}
.bc-fit,.bc-warn{margin:0 0 .5em;font-size:.92rem}
.bc-warn{color:var(--muted)}
.bc-foot{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;margin-top:10px;padding-top:10px;border-top:1px dashed var(--line)}
.bc-src{font-size:.78rem;color:var(--muted);flex:1 1 220px}
.bc.is-top{border:2px solid var(--gold);background:var(--top-bg);box-shadow:var(--top-shadow)}
.bc.is-top .bc-name{font-size:1.4rem}
.bc.is-top .btn-aff{padding:.7em 1.5em;font-size:1.05rem}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.theme-btn,.nav-btn{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:var(--radius-btn);padding:.4em .75em;cursor:pointer;font:inherit;font-size:.86rem}
.nav-btn{display:none}
.toc{list-style:none;margin:0;padding:0}
.toc a{display:block;padding:5px 10px;border-left:2px solid var(--line);color:var(--muted);text-decoration:none;font-size:.9rem}
.toc a.on,.toc a:hover{color:var(--primary);border-left-color:var(--primary)}
.foot-disc{font-size:.82rem;color:var(--muted);line-height:1.7}
@media(max-width:820px){.nav-btn{display:inline-block}.bc-head .bc-name{font-size:1.1rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}

:root{--font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;--font-head:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;--mono:ui-monospace,SFMono-Regular,Consolas,"Cascadia Mono",monospace;
--bg:#eef2f5;--surface:#fff;--ink:#101c26;--ink-strong:#08121a;--muted:#566574;--line:#cfd8e0;--primary:#0b6a3b;--primary-ink:#fff;--accent:#b86e00;--link:#0a5a7a;--link-h:#063f57;--focus:#b86e00;
--cta:#0b6a3b;--cta-h:#084c2a;--cta-ink:#fff;--gold:#ffb020;--gold-ink:#2b1a00;--top-bg:#f3fbf1;--top-shadow:0 0 0 3px rgba(11,106,59,.16);--code-bg:#e2eaf0;--pre-bg:#0d1620;--pre-ink:#d8e8f3;--note-bg:#f1f5f8;--key-bg:#e8f5ec;--thead-bg:#dde6ed;--chip-bg:#fff;--cross-bg:#fff6e0;--step-bg:#0b6a3b;--step-ink:#fff;--rank-bg:#101c26;--rank-ink:#b6ff4a;
--ok:#0b6a3b;--ok-ink:#fff;--warn:#ffb020;--warn-ink:#2b1a00;--radius:6px;--radius-s:4px;--radius-btn:4px}
[data-theme=dark]{--bg:#080c11;--surface:#0f161d;--ink:#dbe7f0;--ink-strong:#fff;--muted:#8ea1b2;--line:#1f2d3a;--primary:#b6ff4a;--primary-ink:#0a1500;--accent:#ffb020;--link:#7fd4f5;--link-h:#b4e6fa;--focus:#ffb020;
--cta:#b6ff4a;--cta-h:#d1ff85;--cta-ink:#0a1500;--top-bg:#0f1e14;--top-shadow:0 0 0 3px rgba(182,255,74,.18);--code-bg:#16222d;--pre-bg:#05090d;--pre-ink:#cfe3f1;--note-bg:#101a23;--key-bg:#13241a;--thead-bg:#15212b;--chip-bg:#101a23;--cross-bg:#2a2210;--step-bg:#b6ff4a;--step-ink:#0a1500;--rank-bg:#b6ff4a;--rank-ink:#0a1500;--ok:#b6ff4a;--ok-ink:#0a1500}
body{background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:44px 44px;background-position:-1px -1px;background-attachment:fixed}
[data-theme=light] body{background-image:linear-gradient(rgba(16,28,38,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(16,28,38,.05) 1px,transparent 1px)}
.hd{background:#090e13;color:#e6eef4;border-bottom:2px solid #b6ff4a;position:sticky;top:0;z-index:30}
.hd .wrap{display:flex;align-items:center;gap:16px;padding:9px 0}
.logo{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;margin-right:auto}
.logo svg{width:36px;height:36px;flex:none}
.logo b{font-size:1.3rem;letter-spacing:.12em}
.logo small{display:block;font:500 .66rem/1.2 var(--mono);color:#b6ff4a;letter-spacing:.12em}
.site-nav{display:flex;gap:2px;flex-wrap:wrap}
.site-nav a{color:#cfdbe5;text-decoration:none;padding:.4em .85em;font-size:.9rem;border:1px solid transparent}
.site-nav a:hover,.site-nav a[aria-current]{color:#0a1500;background:#b6ff4a}
.hd .theme-btn,.hd .nav-btn{background:transparent;color:#e6eef4;border-color:#2c3c4a}
.skip:focus{position:static;width:auto;height:auto;clip:auto;background:#fff;color:#000;padding:6px}
.tag{display:inline-block;font:700 .72rem/1 var(--mono);letter-spacing:.12em;color:var(--primary);border:1px solid var(--primary);padding:.35em .6em;margin-bottom:12px;text-transform:uppercase}
.cmd{padding:44px 0 30px}
.cmd-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:start}
.cmd h1{font-size:clamp(1.9rem,4.6vw,3rem);line-height:1.25;letter-spacing:.01em}
.cmd h1 em{font-style:normal;color:var(--primary);background:none;border-bottom:3px solid var(--accent)}
.cmd p.lead{max-width:34em;margin:14px 0 18px}
.scen{display:flex;flex-wrap:wrap;gap:8px}
.scen a{font-size:.88rem;padding:.4em .9em;border:1px solid var(--line);background:var(--surface);text-decoration:none;color:var(--ink);font-weight:700}
.scen a:hover{border-color:var(--primary);color:var(--primary)}
.spot{background:var(--surface);border:2px solid var(--primary);box-shadow:var(--top-shadow);padding:0;position:relative}
.spot .bar{background:var(--primary);color:var(--primary-ink);font:800 .74rem/1 var(--mono);letter-spacing:.14em;padding:.6em 1em;display:flex;justify-content:space-between}
.spot .bc{border:0;box-shadow:none;background:none;padding:16px 18px}
.board{margin:8px 0 6px}
.board .tbl{min-width:640px}
.board .tbl tbody th{font-family:var(--mono)}
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:0 0 1em}
.tiles a{display:flex;flex-direction:column;gap:3px;padding:14px 14px 12px;background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--primary);text-decoration:none;color:var(--ink)}
.tiles a:hover{border-left-color:var(--accent);background:var(--key-bg)}
.tiles b{font-size:1.02rem}.tiles span{font-size:.82rem;color:var(--muted)}
.tiles i{font:700 .68rem/1 var(--mono);color:var(--primary);letter-spacing:.1em;font-style:normal}
.home-body{padding:6px 0 44px}
.home-body h2{font-size:1.4rem;margin:1.7em 0 .6em;display:flex;align-items:center;gap:10px}
.home-body h2::before{content:"";width:22px;height:4px;background:var(--primary)}
.page{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:28px;padding:26px 0 56px;align-items:start}
.content{background:var(--surface);border:1px solid var(--line);padding:26px 32px;min-width:0}
.content h1{font-size:clamp(1.6rem,3.4vw,2.15rem);margin-bottom:8px}
.content h2{font-size:1.32rem;margin:1.7em 0 .5em;padding-bottom:.25em;border-bottom:2px solid var(--line);position:relative}
.content h2::after{content:"";position:absolute;left:0;bottom:-2px;width:54px;height:2px;background:var(--primary)}
.content h3{font-size:1.06rem;margin:1.2em 0 .3em}
.meta{font:500 .76rem/1.4 var(--mono);color:var(--muted);letter-spacing:.06em;margin:0 0 14px}
.lede{font-size:1.05rem;margin:0 0 1.2em}
.keybox{border-left:4px solid var(--primary);border-radius:0}
.rail{position:sticky;top:70px;display:grid;gap:14px}
.rail-card{background:var(--surface);border:1px solid var(--line);padding:14px 16px}
.rail-card h2{font:800 .74rem/1 var(--mono);letter-spacing:.14em;color:var(--primary);margin-bottom:10px;text-transform:uppercase}
.rail-card ol{margin:0;padding:0;list-style:none;counter-reset:q}
.rail-card li{counter-increment:q;font-size:.9rem;padding:5px 0;border-bottom:1px dashed var(--line);display:flex;gap:8px}
.rail-card li::before{content:counter(q,decimal-leading-zero);font:700 .74rem/1.9 var(--mono);color:var(--muted)}
.rail-card li:last-child{border-bottom:0}
.rail-card li a{text-decoration:none;color:var(--ink)}
.rail-card li a:hover{color:var(--primary)}
.rail-card p{font-size:.84rem;color:var(--muted);margin:8px 0 10px}
.rail-top{border:2px solid var(--primary)}
.rail-top strong{display:block;font-size:1.15rem;margin:2px 0 4px}
.bc--row{border-radius:var(--radius);border-left:5px solid var(--line)}
.bc--row.is-top{border-left:5px solid var(--primary)}
.bc--row .bc-rank{border-radius:2px;font-family:var(--mono)}
.bc--row .bc-badge{border-radius:2px;font-family:var(--mono);letter-spacing:.06em}
.ft{background:#090e13;color:#b5c4d0;padding:30px 0 22px;border-top:2px solid #b6ff4a}
.ft a{color:#e2edf5}
.ft-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:24px}
.ft h2{font:800 .74rem/1 var(--mono);letter-spacing:.14em;color:#b6ff4a;margin-bottom:10px}
.ft ul{list-style:none;margin:0;padding:0}.ft li{margin:4px 0;font-size:.9rem}
.ft p{font-size:.86rem;color:#8ea1b2}
.ft-bot{margin-top:16px;padding-top:12px;border-top:1px solid #1f2d3a;color:#8ea1b2}
.notfound{text-align:center;padding:100px 0}
.notfound b{display:block;font:800 5.5rem/1 var(--mono);color:var(--primary)}
@media(max-width:1000px){.page{grid-template-columns:minmax(0,1fr)}.rail{position:static}.cmd-grid{grid-template-columns:1fr}.tiles{grid-template-columns:1fr 1fr}.ft-grid{grid-template-columns:1fr 1fr}}
@media(max-width:820px){.site-nav{display:none;width:100%;order:9}.site-nav.open{display:flex;flex-direction:column}.hd .wrap{flex-wrap:wrap}.content{padding:20px 16px}}
@media(max-width:560px){.tiles,.ft-grid{grid-template-columns:1fr}}