*,*::before,*::after{box-sizing:border-box}
:root{--font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;--mono:ui-monospace,SFMono-Regular,Consolas,monospace;
--bg:#f3f4f6;--surface:#ffffff;--ink:#111418;--muted:#545b66;--line:#dfe3e8;--ok:#087a45;--okb:#10b76a;--ok-s:#e3f6ec;--todo:#b45309;--todo-s:#fdf1e3;--primary:#087a45;--link:#0b5fd1;--link-h:#073f8c;--focus:#0b5fd1;--warn:#b45309;--cta:#0e7a47;--cta-ink:#ffffff}
[data-theme=dark]{--bg:#0d1013;--surface:#161a1f;--ink:#eef1f4;--muted:#a3adb8;--line:#2a3038;--ok:#3ddc97;--okb:#3ddc97;--ok-s:#123324;--todo:#f5a524;--todo-s:#3a2a10;--primary:#3ddc97;--link:#7fb2ff;--link-h:#c4dbff;--focus:#7fb2ff;--warn:#f5a524;--cta:#12814d;--cta-ink:#ffffff}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.85 var(--font);overflow-wrap:anywhere}
a{color:var(--link);text-underline-offset:3px}a:hover{color:var(--link-h)}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
h1,h2,h3{margin:0;line-height:1.3;letter-spacing:-.01em}p{margin:0 0 1em}
code{font:.86em var(--mono);background:var(--ok-s);padding:.1em .4em;border-radius:4px}
pre{font:.84rem/1.6 var(--mono);background:#111418;color:#eef1f4;padding:12px 14px;border-radius:8px;overflow-x:auto}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip:focus{position:static;width:auto;height:auto;clip:auto;display:block;background:#fff;color:#000;padding:6px}
.wrap{width:min(1120px,100% - 32px);margin-inline:auto}
.hd{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
.hd .wrap{display:flex;align-items:center;gap:14px;padding:10px 0}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);margin-right:auto}
.logo i{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--ink);color:var(--surface);font-style:normal}.logo i svg{width:22px;height:22px}
.logo b{display:block;font:900 1.2rem var(--font);letter-spacing:.02em}.logo small{display:block;font-size:.72rem;color:var(--muted);line-height:1.2}
.site-nav{display:flex;gap:2px;flex-wrap:wrap}
.site-nav a{color:var(--ink);text-decoration:none;padding:.3em .8em;font-size:.92rem;border-radius:6px}
.site-nav a:hover{background:var(--bg)}.site-nav a[aria-current]{background:var(--ink);color:var(--surface)}
.theme-btn,.nav-btn{font:inherit;font-size:.8rem;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:6px;padding:.25em .8em;cursor:pointer}.nav-btn{display:none}
.pg{padding:18px 0 56px}
.crumbs{font-size:.82rem;color:var(--muted);margin:0 0 10px}.crumbs a{color:var(--muted)}.crumbs i{font-style:normal;margin:0 .4em}
.track{display:flex;gap:0;margin:0 0 14px;background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.track span{flex:1;text-align:center;padding:7px 4px;font-size:.8rem;color:var(--muted);border-right:1px solid var(--line);position:relative}.track span:last-child{border-right:0}
.track span.done{color:var(--ok);background:var(--ok-s)}.track span.done::before{content:"✓ ";font-weight:900}
.track span.on{background:var(--ink);color:var(--surface);font-weight:800}
.ph{margin:0 0 16px}.ph .tag{display:inline-flex;gap:6px;align-items:center;font-size:.78rem;font-weight:800;color:var(--ok)}
.ph h1{font:900 clamp(1.6rem,4vw,2.3rem)/1.22 var(--font);margin:4px 0 6px}.ph p{margin:0;color:var(--muted);font-size:.86rem}
.lay{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:24px;align-items:start}
.main{min-width:0}
.body{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:6px 26px 22px}
.body h2{font:900 1.24rem var(--font);margin:1.6em 0 .55em;display:flex;align-items:center;gap:.5em}
.body h2::before{content:"";flex:none;width:18px;height:18px;border-radius:50%;border:2.5px solid var(--okb)}
.body h3{font-size:1.04rem;margin:1em 0 .3em}
.keybox{display:flex;gap:12px;align-items:flex-start;background:var(--ok-s);border-radius:10px;padding:12px 16px;margin:16px 0 1.3em}
.keybox-label{flex:none;display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--okb);color:#fff;font:900 .74rem var(--font)}
.keybox-label::after{content:"OK"}.keybox-label span{display:none}.keybox p{margin:0;font-weight:700}
.voice{font-size:.94rem;border-left:3px solid var(--ink);padding:2px 0 2px 12px;margin:0 0 1.2em;color:var(--muted)}.voice b{color:var(--ink);margin-right:.4em}
.lst{padding-left:1.4em;margin:0 0 1.1em}.lst li{margin:.25em 0}.lst li::marker{color:var(--ok)}
.note{display:flex;gap:10px;padding:10px 14px;margin:0 0 1.1em;border-radius:10px;background:var(--bg);font-size:.94rem}
.note strong{flex:none;color:var(--ok)}.note-warn{background:var(--todo-s)}.note-warn strong{color:var(--todo)}
.tbl-wrap{overflow-x:auto;margin:0 0 1.3em;border:1px solid var(--line);border-radius:10px}
.tbl{width:100%;border-collapse:collapse;font-size:.92rem;min-width:460px}.tbl.wide{min-width:760px}
.tbl th,.tbl td{padding:8px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.tbl thead th{background:var(--bg);white-space:nowrap;font-weight:800}.tbl tbody th{white-space:nowrap}.tbl tr:last-child>*{border-bottom:0}
.pill{display:inline-block;font-size:.72rem;padding:.02em .6em;border-radius:999px;border:1px solid var(--line);white-space:nowrap}
.pill-ok{background:var(--ok-s);color:var(--ok);border-color:transparent}.pill-conflict{background:var(--todo-s);color:var(--todo);border-color:transparent}.pill-gap,.pill-none{color:var(--muted);border-style:dashed}
.dimtable td,.dimtable th{text-align:center}.dimtable tbody th{text-align:left}
.steps{margin:0 0 1.2em;padding:0;list-style:none;counter-reset:s}.steps li{padding:0 0 12px 3em;position:relative;counter-increment:s}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:2em;height:2em;border-radius:50%;background:var(--ink);color:var(--surface);display:grid;place-items:center;font:800 .85rem var(--mono)}
.steps h3{margin:0 0 2px!important;font-size:1rem}.steps p{margin:0}.step-note{font-size:.88rem;color:var(--muted)}
.faq{margin:1.4em 0 .6em}.faq details{border:1px solid var(--line);border-radius:8px;margin:0 0 8px;padding:0 14px}
.faq summary{cursor:pointer;padding:10px 0;font-weight:700}.faq details p{margin:0 0 10px;color:var(--muted)}
.ctabox{border:2px solid var(--ink);border-radius:12px;padding:14px 18px;margin:1.3em 0;text-align:center}.ctabox-t{font-weight:800;margin:0 0 10px}.bc-disc{display:block;font-size:.78rem;color:var(--muted);margin-top:8px}
.btn{display:inline-flex;align-items:center;gap:6px;padding:.5em 1.2em;background:var(--cta);color:var(--cta-ink);font-weight:800;font-size:.9rem;text-decoration:none;border-radius:8px;border:0;cursor:pointer}.btn:hover{filter:brightness(1.1);color:#fff}
.btn-aff{background:var(--cta);color:#fff}.btn-lg{padding:.7em 1.6em;font-size:1rem}.btn-ghost{background:var(--surface);color:var(--ink);border:1.5px solid var(--ink)}.btn-ghost:hover{background:var(--bg);color:var(--ink)}
.linkcards{list-style:none;margin:0 0 1.2em;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px}
.linkcards li{border:1px solid var(--line);border-radius:10px;padding:10px 14px 10px 38px;position:relative}.linkcards li::before{content:"✓";position:absolute;left:12px;top:9px;color:var(--ok);font-weight:900}
.linkcards a{font-weight:800}.linkcards span{display:block;font-size:.84rem;color:var(--muted)}
.cross{border-top:1px dashed var(--line);padding:9px 2px;margin:0 0 1.2em;font-size:.92rem}.cross-lead{color:var(--muted);margin-right:.5em}
.chips{list-style:none;margin:0 0 1.2em;padding:0;display:flex;flex-wrap:wrap;gap:8px}.chips li{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:.05em .9em;font-size:.88rem}
.next{margin-top:18px;border:1px solid var(--line);border-radius:12px;padding:12px 18px;font-size:.92rem;background:var(--surface)}.next h2{font-size:.96rem;margin:0 0 6px}.next ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px 18px}
.side{position:sticky;top:76px;display:grid;gap:12px;font-size:.9rem}
.sc{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 14px}.sc h2{font-size:.9rem;margin:0 0 6px}
.sc ol{margin:0;padding-left:1.3em}.sc li{padding:3px 0}.sc a{text-decoration:none;color:var(--ink)}.sc a:hover{color:var(--link)}
.sc-top{border:2px solid var(--ink)}.sc-top b{display:block;font-size:1.1rem;margin:2px 0 4px}.sc-top p{margin:0 0 10px;font-size:.86rem;color:var(--muted)}
/* OK 清单 */
.okl{border:2px solid var(--ink);border-radius:12px;padding:12px 16px;margin:18px 0 1.3em}
.okl .okh{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:0 0 6px}.okl .okh b{font-size:1rem}.okl .okh span{font:800 .82rem var(--mono);color:var(--ok)}
.okl ul{list-style:none;margin:0;padding:0;display:grid;gap:4px}.okl label{display:flex;gap:10px;align-items:flex-start;cursor:pointer;padding:4px 6px;border-radius:6px}
.okl label:hover{background:var(--bg)}.okl input{width:18px;height:18px;margin-top:4px;accent-color:var(--okb);flex:none}
.okl label:has(input:checked){color:var(--muted);text-decoration:line-through}
/* 品牌卡 */
.bc-list{display:grid;gap:12px;margin:0 0 1.3em}
.bc{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 18px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 16px}
.bc.is-top{border:2px solid var(--ink)}
.bc h3{grid-column:1;font:900 1.14rem var(--font);display:flex;gap:8px;align-items:baseline;flex-wrap:wrap}.bc h3 small{color:var(--muted);font-weight:400;font-size:.8rem}
.bc .no{font:800 .78rem var(--mono);color:var(--muted)}.bc .badge{font-size:.7rem;font-weight:800;background:var(--okb);color:#fff;border-radius:999px;padding:0 .6em}
.bc .checks{grid-column:1;display:flex;flex-wrap:wrap;gap:4px 12px;font-size:.84rem}.bc .checks span{color:var(--muted)}.bc .checks span.y{color:var(--ok);font-weight:700}.bc .checks span.y::before{content:"✓ "}.bc .checks span.n::before{content:"？ "}
.bc-tag{grid-column:1;margin:0;color:var(--muted);font-size:.9rem}.bc .obs{grid-column:1;font-size:.8rem;color:var(--muted);margin:0}
.bc-foot{grid-column:2;grid-row:1/span 4;display:flex;flex-direction:column;gap:8px;justify-content:center}
.bc-specs{grid-column:1;margin:0;display:grid;gap:2px;font-size:.86rem}.bc-specs div{display:flex;gap:8px}.bc-specs dt{flex:none;color:var(--muted)}.bc-specs dd{margin:0}
.bc-empty{grid-column:1;font-size:.86rem;color:var(--muted);margin:0}
/* 检查器 */
.tool{border:2px solid var(--ink);border-radius:12px;padding:14px 16px;margin:14px 0 1.3em}
.tool fieldset{border:0;margin:0 0 10px;padding:0}.tool legend{font-weight:800;margin-bottom:6px}
.tool .q{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;padding:8px 0;border-bottom:1px dashed var(--line)}.tool .q b{flex:1 1 260px;font-weight:600}
.tool .q label{display:inline-flex;gap:6px;align-items:center;cursor:pointer}
.tool .res{margin-top:12px;padding:12px 14px;border-radius:10px;background:var(--bg)}.tool .res .big{font:900 2rem var(--mono);color:var(--ok)}
/* 首页 */
.hero{padding:34px 0 20px}
.hero h1{font:900 clamp(2rem,5vw,3.2rem)/1.15 var(--font);max-width:860px}.hero h1 em,.hero h1 .nw{white-space:nowrap}.hero h1 em{font-style:normal;color:var(--ok)}
.hero .lead{color:var(--muted);margin:.8em 0 1.2em;max-width:760px}.ctas{display:flex;flex-wrap:wrap;gap:12px}
.bigtrack{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin:24px 0 8px;border:2px solid var(--ink);border-radius:14px;overflow:hidden}
.bigtrack a{display:block;text-decoration:none;color:var(--ink);padding:14px 14px 12px;border-right:2px solid var(--ink);background:var(--surface)}.bigtrack a:last-child{border-right:0;background:var(--ink);color:var(--surface)}
.bigtrack a:hover{background:var(--ok-s);color:var(--ink)}.bigtrack a i{font:800 .74rem var(--mono);font-style:normal;color:var(--muted)}.bigtrack a:last-child i{color:#9aa3ad}.bigtrack a b{display:block;font:900 1.3rem var(--font)}.bigtrack a span{font-size:.84rem}
.sec-h{font:900 1.4rem var(--font);margin:1.8em 0 .7em;display:flex;align-items:center;gap:10px}.sec-h::before{content:"✓";display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--okb);color:#fff;font-size:.9rem}
.grid3{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.grid3 a{display:block;text-decoration:none;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.grid3 a:hover{border-color:var(--ink);color:var(--ink)}.grid3 a i{font-style:normal;font-size:.74rem;font-weight:800;color:var(--ok)}.grid3 a b{display:block;font-size:1.05rem;margin:2px 0}.grid3 a span{font-size:.85rem;color:var(--muted)}
.feat{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;background:var(--surface);border:2px solid var(--ink);border-radius:14px;padding:18px 22px;margin:26px 0}
.feat-tag{display:inline-block;background:var(--okb);color:#fff;font-weight:800;font-size:.76rem;padding:0 .8em;border-radius:999px}
.feat-h{font:900 1.55rem var(--font);margin:6px 0 4px}.feat-p{margin:0 0 8px}.feat-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px 10px}
.feat-list li{background:var(--ok-s);border-radius:6px;padding:0 .7em;font-size:.88rem}.feat-s{margin:8px 0 0;font-size:.86rem;color:var(--muted)}.feat-act{text-align:center}.feat-act small{display:block;margin-top:6px;font-size:.75rem;color:var(--muted)}
.toc{border:1px solid var(--line);border-radius:10px;padding:10px 16px;margin:0 0 1.3em;font-size:.9rem;background:var(--bg)}.toc b{font-weight:900}.toc ol{margin:4px 0 0;padding-left:1.4em;columns:2;column-gap:24px}.toc li{break-inside:avoid}.toc a{text-decoration:none}.toc a.on{font-weight:800}
.related{margin-top:16px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 18px}.related h2{font-size:1rem;margin:0 0 8px}.related ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}.related li{padding-left:22px;position:relative}.related li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:900}.related a{font-weight:800}.related span{display:block;font-size:.82rem;color:var(--muted)}
.ft{background:var(--ink);color:#b9c0c8;padding:24px 0 28px;font-size:.86rem}
[data-theme=dark] .ft{background:#06080a}
.ft ul{list-style:none;padding:0;margin:0 0 10px;display:flex;flex-wrap:wrap;gap:6px 16px}.ft a{color:#fff}.ft p{margin:0 0 6px}
.ft .friend-links{border-top-color:#2a3038}.ft .friend-links .label,.ft .friend-links a{color:#b9c0c8}
.notfound{text-align:center;padding:80px 0}.notfound b{display:block;font:900 5rem/1 var(--mono);color:var(--ok)}
@media(max-width:960px){.lay,.feat{grid-template-columns:minmax(0,1fr)}.side{position:static}}
@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}.nav-btn{display:inline-block}.bigtrack{grid-template-columns:1fr}.bigtrack a{border-right:0;border-bottom:2px solid var(--ink)}.bigtrack a:last-child{border-bottom:0}}
@media(max-width:640px){.body{padding:4px 14px 16px}.track span{font-size:.7rem;padding:6px 2px}.bc{grid-template-columns:1fr}.bc-foot{grid-column:1;grid-row:auto;flex-direction:row;flex-wrap:wrap}.toc ol{columns:1}.tbl-wrap::after{content:"← 左右滑动查看完整表格 →";display:block;position:sticky;left:0;width:calc(100vw - 34px);box-sizing:border-box;text-align:center;font-size:.72rem;padding:5px 0;opacity:.75}}

.friend-links{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;border-top:1px solid var(--line);padding:18px 0;margin:24px 0 16px}
.friend-links .label{font-weight:700;font-size:.88rem;color:var(--muted);margin-right:4px}
.friend-links a{font-size:.88rem;color:var(--muted);text-decoration:none}
.friend-links a:hover{color:var(--link);text-decoration:underline}