*,*::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:#eef2f0;--surface:#ffffff;--ink:#17231f;--muted:#51605a;--line:#d5ddd9;--alert:#c2410c;--alert-s:#fdebe2;--safe:#0f7a52;--safe-s:#def3ea;--amber:#9a5b00;--amber-s:#fcf0d8;--panel:#17231f;--panel-ink:#e8efec;--primary:#c2410c;--link:#1b62b8;--link-h:#0e3d78;--focus:#1b62b8;--ok:#0f7a52;--warn:#9a5b00;--cta:#0f7a52;--cta-ink:#ffffff}
[data-theme=dark]{--bg:#121816;--surface:#1a2320;--ink:#e8efec;--muted:#9fb0aa;--line:#2c3935;--alert:#ff7a45;--alert-s:#3a1f14;--safe:#3ecf8e;--safe-s:#143326;--amber:#f5b83d;--amber-s:#3a2c10;--panel:#0c1110;--panel-ink:#e8efec;--primary:#ff7a45;--link:#86b9ff;--link-h:#c6ddff;--focus:#86b9ff;--ok:#3ecf8e;--warn:#f5b83d;--cta:#0f7a50;--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}p{margin:0 0 1em}
code{font:.86em var(--mono);background:var(--alert-s);padding:.1em .4em;border-radius:4px}
pre{font:.84rem/1.6 var(--mono);background:#0c1110;color:#e8efec;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(1140px,100% - 32px);margin-inline:auto}
.hd{background:#0c1110;color:#e8efec;position:sticky;top:0;z-index:40;border-bottom:2px solid #ff7a45}
.hd .wrap{display:flex;align-items:center;gap:14px;padding:10px 0}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:#e8efec;margin-right:auto}
.logo i{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;border:2px solid #ff7a45;color:#ff7a45;font-style:normal}.logo i svg{width:22px;height:22px}
.logo b{display:block;font-size:1.12rem;letter-spacing:.04em}.logo small{display:block;font:.68rem var(--mono);color:#9fb0aa;line-height:1.2}
.site-nav{display:flex;gap:2px;flex-wrap:wrap}
.site-nav a{color:#cfd9d5;text-decoration:none;padding:.3em .8em;font-size:.9rem;border-radius:4px}
.site-nav a:hover{background:#1a2320;color:#fff}.site-nav a[aria-current]{background:#ff7a45;color:#0c1110;font-weight:700}
.theme-btn,.nav-btn{font:inherit;font-size:.78rem;background:transparent;color:#e8efec;border:1px solid #3a4944;border-radius:4px;padding:.25em .8em;cursor:pointer}.nav-btn{display:none}
.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}
.obs-h{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px 20px 16px 26px;margin:0 0 16px;overflow:hidden}
.obs-h::before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--rk,#f5b83d)}
.obs-h .row{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;font:.76rem var(--mono);color:var(--muted);margin-bottom:6px}
.obs-h .rk{display:inline-flex;align-items:center;gap:6px;background:var(--rk,#f5b83d);color:#0c1110;font-weight:800;border-radius:999px;padding:0 .7em}
.obs-h h1{font-size:clamp(1.5rem,3.8vw,2.1rem);font-weight:900}.obs-h p{margin:6px 0 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:10px;padding:6px 26px 22px 34px;position:relative}
.body::before{content:"";position:absolute;left:16px;top:24px;bottom:24px;width:2px;background:var(--line)}
.body h2{font-size:1.2rem;margin:1.6em 0 .55em;position:relative}.body h2::before{content:"";position:absolute;left:-23px;top:.35em;width:12px;height:12px;border-radius:50%;background:var(--surface);border:3px solid var(--alert)}
.body h3{font-size:1.04rem;margin:1em 0 .3em}
.keybox{background:var(--panel);color:var(--panel-ink);border-radius:8px;padding:12px 16px;margin:16px 0 1.3em}
.keybox a{color:#ffab85}.keybox-label{display:inline-block;font:700 .72rem var(--mono);color:#ff7a45;margin-right:.6em;letter-spacing:.06em}.keybox p{display:inline;margin:0}
.voice{font:.9rem var(--mono);color:var(--muted);border:1px dashed var(--line);border-radius:8px;padding:8px 12px;margin:0 0 1.2em}.voice b{color:var(--alert);margin-right:.5em}
.lst{padding-left:1.4em;margin:0 0 1.1em}.lst li{margin:.25em 0}.lst li::marker{color:var(--alert)}
.note{display:flex;gap:10px;padding:10px 14px;margin:0 0 1.1em;border-radius:8px;background:var(--safe-s);font-size:.94rem}
.note strong{flex:none;color:var(--safe)}.note-warn{background:var(--alert-s)}.note-warn strong{color:var(--alert)}
.tbl-wrap{overflow-x:auto;margin:0 0 1.3em;border:1px solid var(--line);border-radius:8px}
.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);font:700 .8rem var(--mono);white-space:nowrap}.tbl tbody th{white-space:nowrap}.tbl tr:last-child>*{border-bottom:0}
.pill{display:inline-block;font:700 .7rem var(--mono);padding:.02em .6em;border-radius:999px;border:1px solid var(--line);white-space:nowrap}
.pill-ok{background:var(--safe-s);color:var(--safe);border-color:transparent}.pill-conflict{background:var(--alert-s);color:var(--alert);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:6px;background:var(--panel);color:#ff7a45;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:1px solid var(--safe);background:var(--safe-s);border-radius:10px;padding:14px 18px;margin:1.3em 0;text-align:center}.ctabox-t{font-weight:700;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:6px;border:0;cursor:pointer}.btn:hover{filter:brightness(1.12);color:#fff}
.btn-aff{background:var(--cta);color:#fff}.btn-lg{padding:.7em 1.6em;font-size:1rem}.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--muted)}.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-left:4px solid var(--alert);border-radius:6px;padding:10px 14px}.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:16px;border:1px solid var(--line);border-radius:10px;padding:12px 18px;font-size:.92rem;background:var(--surface)}.next h2{font:700 .8rem var(--mono);margin:0 0 6px;color:var(--muted)}.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{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px 14px}.sc h2{font:700 .76rem var(--mono);margin:0 0 6px;color:var(--muted)}
.sc ul{list-style:none;margin:0;padding:0}.sc li{display:flex;gap:8px;align-items:center;padding:4px 0}.sc li i{flex:none;width:8px;height:8px;border-radius:50%;background:var(--c)}.sc a{text-decoration:none;color:var(--ink)}.sc a:hover{color:var(--link)}
.sc-top{border:1px solid var(--safe)}.sc-top b{display:block;font-size:1.08rem;margin:2px 0 4px}.sc-top p{margin:0 0 10px;font-size:.86rem;color:var(--muted)}
/* 观察档案卡 */
.bc-list{display:grid;gap:12px;margin:0 0 1.3em}
.bc{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:14px 18px;display:flex;flex-direction:column;gap:6px}
.bc.is-top{border:2px solid var(--safe)}
.bc .hdr{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:baseline;font:.74rem var(--mono);color:var(--muted)}
.bc h3{font-size:1.14rem;display:flex;gap:8px;align-items:baseline;flex-wrap:wrap}.bc h3 small{color:var(--muted);font-weight:400;font-size:.8rem}
.bc .badge{font:700 .68rem var(--mono);background:var(--safe);color:#0c1110;border-radius:999px;padding:0 .6em}
.bc .sig{display:flex;flex-wrap:wrap;gap:6px}.bc .sig span{font-size:.76rem;border-radius:999px;padding:0 .7em;border:1px solid var(--line)}.bc .sig span.good{background:var(--safe-s);color:var(--safe);border-color:transparent}.bc .sig span.warn{background:var(--amber-s);color:var(--amber);border-color:transparent}
.bc-tag{margin:0;color:var(--muted);font-size:.9rem}.bc .obs{font:.76rem var(--mono);color:var(--muted);margin:0}
.bc-foot{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.bc-specs{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{font-size:.86rem;color:var(--muted);margin:0}
/* 自评 */
.tool{border:1px solid var(--line);border-top:4px solid var(--alert);border-radius:10px;padding:14px 16px;margin:14px 0 1.3em;background:var(--surface)}
.tool .grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:8px 16px}
.tool label{display:block;font-weight:700;font-size:.9rem;margin:4px 0}.tool select,.tool input[type=number]{font:inherit;width:100%;max-width:260px;padding:.35em .6em;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--ink)}
.tool .out{margin-top:12px;padding:12px 14px;border-radius:8px;background:var(--bg)}.tool .out .big{font:900 1.6rem var(--mono);color:var(--alert)}
/* 首页 */
.hero{background:#0c1110;color:#e8efec;padding:34px 0 30px}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:28px;align-items:center}
.hero h1{font-size:clamp(1.9rem,4.6vw,2.9rem);font-weight:900;line-height:1.2}.hero h1 em,.hero h1 .nw{white-space:nowrap}.hero h1 em{font-style:normal;color:#ff7a45}
.hero .lead{color:#b9c7c2;margin:.8em 0 1.1em}.ctas{display:flex;flex-wrap:wrap;gap:12px}
.hero .btn-ghost{color:#e8efec;border-color:#3a4944}.hero .btn-ghost:hover{background:#1a2320;color:#fff}
.log{border:1px solid #2c3935;border-radius:10px;background:#121816;font:.84rem/1.6 var(--mono);padding:10px 14px}
.log div{display:grid;grid-template-columns:auto 1fr;gap:10px;padding:6px 0;border-bottom:1px dashed #2c3935}.log div:last-child{border:0}.log i{font-style:normal;color:#0c1110;background:var(--c);border-radius:4px;padding:0 .4em;font-weight:800;height:fit-content}.log a{color:#e8efec;text-decoration:none}.log a:hover{color:#ffab85}
.sec-h{font-size:1.34rem;font-weight:900;margin:1.8em 0 .7em;display:flex;align-items:center;gap:10px}.sec-h::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--alert);box-shadow:0 0 0 4px var(--alert-s)}
.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:10px;padding:12px 14px;border-top:4px solid var(--c,#f5b83d)}
.grid3 a:hover{border-color:var(--alert);color:var(--ink)}.grid3 a i{font:700 .72rem var(--mono);font-style:normal;color:var(--muted)}.grid3 a b{display:block;font-size:1.04rem;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(--safe);border-radius:12px;padding:18px 22px;margin:26px 0}
.feat-tag{display:inline-block;background:var(--safe);color:#0c1110;font:800 .74rem var(--font);padding:0 .8em;border-radius:999px}
.feat-h{font-size:1.5rem;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(--safe-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 dashed var(--line);border-radius:8px;padding:10px 16px;margin:0 0 1.3em;font-size:.88rem}.toc b{font:700 .74rem var(--mono);color:var(--alert)}.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:10px;padding:12px 18px}.related h2{font:700 .8rem var(--mono);color:var(--muted);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{border-left:3px solid var(--alert);padding-left:10px}.related a{font-weight:700}.related span{display:block;font-size:.82rem;color:var(--muted)}
.ft{background:#0c1110;color:#9fb0aa;padding:24px 0 28px;font-size:.86rem;border-top:2px solid #ff7a45}
.ft ul{list-style:none;padding:0;margin:0 0 10px;display:flex;flex-wrap:wrap;gap:6px 16px}.ft a{color:#e8efec}.ft p{margin:0 0 6px}
.ft .friend-links{border-top-color:#2c3935}.ft .friend-links .label,.ft .friend-links a{color:#9fb0aa}
.notfound{text-align:center;padding:80px 0}.notfound b{display:block;font:900 5rem/1 var(--mono);color:var(--alert)}
@media(max-width:960px){.lay,.hero .wrap,.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}}
@media(max-width:640px){.body{padding:4px 14px 16px 28px}.body::before{left:10px}.body h2::before{left:-24px}.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}