*,*::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:#f6f5f0;--surface:#ffffff;--ink:#141417;--muted:#55565e;--line:#dddcd4;--volt:#f5d90a;--volt-ink:#141417;--volt-s:#fff8c4;--primary:#141417;--link:#1d4ed8;--link-h:#1e3a8a;--focus:#1d4ed8;--ok:#1b7a4a;--warn:#a55a00;--cta:#f5d90a;--cta-ink:#141417}
[data-theme=dark]{--bg:#15161a;--surface:#1d1e24;--ink:#f4f4f0;--muted:#aeb0ba;--line:#30323b;--volt:#f5d90a;--volt-ink:#141417;--volt-s:#2d2a10;--primary:#f5d90a;--link:#ffe45c;--link-h:#fff2a8;--focus:#f5d90a;--ok:#5fd39c;--warn:#f0a44a;--cta:#f5d90a;--cta-ink:#141417}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.8 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:1.25}p{margin:0 0 1em}
code{font:.88em var(--mono);background:var(--volt-s);padding:.1em .4em;border-radius:3px}
.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:#141417;color:#fff;position:sticky;top:0;z-index:40;border-bottom:4px solid #f5d90a}
.hd .wrap{display:flex;align-items:center;gap:14px;padding:10px 0}
.logo{display:flex;align-items:center;gap:8px;text-decoration:none;color:#fff;margin-right:auto}
.logo i{display:grid;place-items:center;width:40px;height:40px;background:#f5d90a;color:#141417;transform:skewX(-12deg)}.logo i svg{width:24px;height:24px;transform:skewX(12deg)}
.logo b{display:block;font:900 italic 1.35rem var(--font);letter-spacing:.04em}.logo small{display:block;font-size:.72rem;color:#c8c9d0;line-height:1.2}
.site-nav{display:flex;gap:2px;flex-wrap:wrap}
.site-nav a{color:#fff;text-decoration:none;padding:.3em .8em;font:800 italic .92rem var(--font);transform:skewX(-8deg)}
.site-nav a:hover{background:#2a2b31}.site-nav a[aria-current]{background:#f5d90a;color:#141417}
.theme-btn,.nav-btn{font:800 .78rem var(--font);background:transparent;color:#f5d90a;border:1.5px solid #f5d90a;padding:.25em .8em;cursor:pointer;transform:skewX(-8deg)}.nav-btn{display:none}
.stripe{height:10px;background:repeating-linear-gradient(-45deg,#f5d90a 0 14px,#141417 14px 28px)}
.pg{padding:20px 0 56px}
.crumbs{font:.8rem var(--mono);color:var(--muted);margin:0 0 10px}.crumbs a{color:var(--muted)}.crumbs i{font-style:normal;margin:0 .4em}
.ph{position:relative;padding:18px 20px;margin:0 0 16px;background:#141417;color:#fff;overflow:hidden}
.ph::after{content:"";position:absolute;right:-30px;top:0;bottom:0;width:180px;background:repeating-linear-gradient(-60deg,transparent 0 16px,rgba(245,217,10,.25) 16px 20px)}
.ph .kick{display:inline-flex;align-items:center;gap:6px;font:900 italic .78rem var(--font);color:#f5d90a;letter-spacing:.08em}.ph .kick svg{width:14px;height:14px}
.ph h1{font:900 italic clamp(1.6rem,4vw,2.4rem)/1.2 var(--font);position:relative;z-index:1}.ph p{margin:6px 0 0;color:#c8c9d0;font-size:.88rem;position:relative;z-index:1}
.lay{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:24px;align-items:start}
.main{min-width:0}
.body{background:var(--surface);border:1px solid var(--line);padding:6px 24px 22px}
.body h2{font:900 italic 1.3rem var(--font);margin:1.5em 0 .55em;display:flex;align-items:center;gap:.4em}.body h2::before{content:"";width:16px;height:16px;background:var(--volt);clip-path:polygon(55% 0,0 60%,45% 60%,35% 100%,100% 40%,55% 40%)}
.body h3{font-size:1.04rem;margin:1em 0 .3em}
.keybox{background:var(--volt);color:#141417;padding:12px 16px;margin:16px 0 1.2em;font-weight:700;transform:skewX(-3deg)}
.keybox>*{transform:skewX(3deg)}.keybox-label{display:inline-block;font:900 italic .78rem var(--font);margin-right:.6em;background:#141417;color:#f5d90a;padding:0 .5em}.keybox p{display:inline;margin:0}
.lst{padding-left:1.3em;margin:0 0 1.1em}.lst li{margin:.25em 0}.lst li::marker{content:"⚡ ";font-size:.8em}
.note{display:flex;gap:10px;padding:10px 14px;margin:0 0 1.1em;border-left:6px solid var(--volt);background:var(--volt-s);font-size:.94rem}
.note strong{flex:none}.note-warn{border-left-color:#e2574c}
.tbl-wrap{overflow-x:auto;margin:0 0 1.3em;border:2px solid var(--ink)}
.tbl{width:100%;border-collapse:collapse;font-size:.92rem;min-width:460px}.tbl.wide{min-width:780px}
.tbl th,.tbl td{padding:8px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.tbl thead th{background:#141417;color:#f5d90a;font-style:italic;white-space:nowrap}.tbl tbody th{white-space:nowrap}.tbl tr:last-child>*{border-bottom:0}
.pill{display:inline-block;font-size:.72rem;padding:.02em .55em;border:1px solid var(--line);white-space:nowrap}
.pill-ok{background:var(--ok);color:#fff;border-color:transparent}.pill-conflict{background:var(--warn);color:#fff;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;background:#141417;color:#f5d90a;display:grid;place-items:center;font:900 italic .95rem var(--font);transform:skewX(-10deg)}
[data-theme=dark] .steps li::before{background:#f5d90a;color:#141417}
.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);margin:0 0 8px;padding:0 14px;background:var(--surface)}
.faq summary{cursor:pointer;padding:10px 0;font-weight:800}.faq details p{margin:0 0 10px;color:var(--muted)}
.ctabox{background:#141417;color:#fff;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:.76rem;color:#aeb0ba;margin-top:8px}
.btn{display:inline-flex;align-items:center;gap:6px;padding:.5em 1.3em;background:#141417;color:#fff;font:900 italic .92rem var(--font);text-decoration:none;border:0;cursor:pointer;transform:skewX(-8deg)}.btn:hover{background:#2a2b31;color:#fff}
[data-theme=dark] .btn{background:#f4f4f0;color:#141417}[data-theme=dark] .btn:hover{background:#fff;color:#141417}
.btn-aff,[data-theme=dark] .btn-aff{background:var(--cta);color:var(--cta-ink)}.btn-aff:hover,[data-theme=dark] .btn-aff:hover{background:#ffe95c;color:#141417}.btn-lg{padding:.7em 1.7em;font-size:1rem}.btn-ghost{background:transparent;color:var(--ink);border:2px solid var(--ink)}[data-theme=dark] .btn-ghost{background:transparent;color:var(--ink)}.btn-ghost:hover{background:var(--volt-s);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:2px solid var(--ink);padding:10px 14px;background:var(--surface)}.linkcards a{font:900 italic 1rem var(--font)}.linkcards span{display:block;font-size:.84rem;color:var(--muted)}
.cross{border-top:2px 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{border:2px solid var(--ink);padding:.05em .8em;font:800 italic .88rem var(--font);transform:skewX(-8deg)}.chips li a{text-decoration:none;color:var(--ink)}
.next{margin-top:20px;border:2px solid var(--ink);padding:12px 18px;font-size:.92rem;background:var(--surface)}.next h2{font:900 italic 1rem var(--font);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:78px;display:grid;gap:12px;font-size:.9rem}
.sc{border:2px solid var(--ink);padding:12px 14px;background:var(--surface)}.sc h2{font:900 italic .95rem var(--font);margin:0 0 6px}
.sc ul{list-style:none;margin:0;padding:0}.sc li{padding:4px 0;border-bottom:1px solid var(--line)}.sc li:last-child{border:0}.sc a{text-decoration:none;color:var(--ink);font-weight:700}.sc a:hover{color:var(--link)}
.sc-top{background:#f5d90a;color:#141417;border-color:#141417}.sc-top b{display:block;font:900 italic 1.2rem var(--font);margin:2px 0 4px}.sc-top p{margin:0 0 10px;font-size:.86rem}
.sc-top .btn-aff{background:#141417;color:#f5d90a}
/* 卡片 */
.bc-list{display:grid;gap:12px;margin:0 0 1.3em}
.bc{border:2px solid var(--ink);background:var(--surface);padding:14px 18px;position:relative}
.bc.is-top{background:linear-gradient(115deg,var(--volt-s) 0 60%,var(--surface) 60%)}
.bc h3{font:900 italic 1.2rem var(--font);display:flex;gap:10px;align-items:center;flex-wrap:wrap}.bc h3 small{color:var(--muted);font:400 .8rem var(--font)}
.bc .fig{display:inline-grid;place-items:center;min-width:2em;height:2em;background:#141417;color:#f5d90a;font:900 italic .9rem var(--font);transform:skewX(-10deg)}
[data-theme=dark] .bc .fig{background:#f5d90a;color:#141417}
.bc .badge{font:900 italic .72rem var(--font);background:#f5d90a;color:#141417;padding:0 .6em}
.bc-tag{margin:.3em 0 .5em;color:var(--muted);font-size:.92rem}.bc .obs{font:.8rem var(--mono);color:var(--muted);margin:0 0 .6em}
.bc-foot{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.bc-specs{margin:0 0 .6em;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:4px 16px;font-size:.88rem}.bc-specs div{display:flex;gap:8px}.bc-specs dt{flex:none;font-weight:800}.bc-specs dd{margin:0}
.bc-empty{font-size:.88rem;color:var(--muted)}
/* 诊断器 */
.diag{border:3px solid var(--ink);padding:14px 16px;background:var(--surface);margin:14px 0 1.3em}
.diag fieldset{border:0;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:8px}
.diag legend{font:900 italic 1rem var(--font);margin-bottom:8px}
.diag label{display:flex;gap:8px;align-items:flex-start;border:1.5px solid var(--line);padding:8px 10px;cursor:pointer;font-weight:700}
.diag label:has(input:checked){border-color:var(--ink);background:var(--volt-s)}
.diag .out{margin-top:12px;border-top:2px dashed var(--line);padding-top:10px;min-height:40px}
.diag .out ol{margin:0;padding-left:1.4em}
/* 首页 */
.hero{background:#141417;color:#fff;padding:34px 0 30px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(-60deg,transparent 0 40px,rgba(245,217,10,.07) 40px 44px)}
.hero .wrap{position:relative;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:26px;align-items:center}
.hero h1{font:900 italic clamp(2rem,5vw,3.4rem)/1.1 var(--font)}.hero h1 em{font-style:inherit;color:#f5d90a}
.hero .lead{color:#c8c9d0;margin:.8em 0 1.1em}.ctas{display:flex;flex-wrap:wrap;gap:12px}
.hero .btn-ghost{color:#fff;border-color:#fff}.hero .btn-ghost:hover{background:#2a2b31;color:#fff}
.boltbig{justify-self:center;width:min(240px,60vw);color:#f5d90a;filter:drop-shadow(8px 8px 0 #2a2b31)}.boltbig svg{width:100%;height:auto}
.fast{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border:2px solid var(--ink);margin:22px 0}
.fast div{padding:14px 16px;border-right:2px solid var(--ink);background:var(--surface)}.fast div:last-child{border-right:0}
.keybox a,.feat a:not(.btn){color:#141417}
.fast b{display:block;font:900 italic 2rem/1 var(--font);color:var(--ink)}.fast b span{background:var(--volt);color:#141417;padding:0 .15em}.fast p{margin:6px 0 0;font-size:.9rem;color:var(--muted)}
.sec-h{font:900 italic 1.5rem var(--font);margin:1.8em 0 .7em;display:flex;align-items:center;gap:10px}.sec-h::before{content:"";width:34px;height:8px;background:repeating-linear-gradient(-45deg,var(--volt) 0 6px,transparent 6px 10px)}
.grid4{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.grid4 a{display:block;text-decoration:none;color:var(--ink);border:2px solid var(--ink);padding:12px 14px;background:var(--surface);transition:transform .15s}
.grid4 a:hover{transform:translate(-3px,-3px);box-shadow:3px 3px 0 var(--volt);color:var(--ink)}.grid4 a i{font:900 italic .76rem var(--font);font-style:italic;color:var(--muted)}.grid4 a b{display:block;font:900 italic 1.1rem var(--font);margin:2px 0}.grid4 a span{font-size:.86rem;color:var(--muted)}
@media(prefers-reduced-motion:reduce){.grid4 a{transition:none}}
.feat{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;background:#f5d90a;color:#141417;padding:18px 22px;margin:26px 0;border:3px solid #141417}
.feat-tag{display:inline-block;background:#141417;color:#f5d90a;font:900 italic .76rem var(--font);padding:0 .7em}
.feat-h{font:900 italic 1.8rem 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:#fff;padding:0 .7em;font-size:.88rem}.feat-s{margin:8px 0 0;font-size:.86rem}.feat-act{text-align:center}.feat-act small{display:block;margin-top:6px;font-size:.75rem}
.feat .btn-aff{background:#141417;color:#f5d90a}
.ft{background:#141417;color:#c8c9d0;padding:24px 0 28px;font-size:.86rem;border-top:4px solid #f5d90a}
.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:#30323b}.ft .friend-links .label,.ft .friend-links a{color:#c8c9d0}
.notfound{text-align:center;padding:80px 0}.notfound b{display:block;font:900 italic 5rem/1 var(--font);color:var(--volt)}
@media(max-width:960px){.lay,.hero .wrap,.feat{grid-template-columns:minmax(0,1fr)}.side{position:static}.boltbig{display:none}}
@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}}
@media(max-width:640px){.body{padding:4px 14px 16px}.fast{grid-template-columns:1fr}.fast div{border-right:0;border-bottom:2px solid var(--ink)}.fast div:last-child{border-bottom:0}.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}