:root{--bg:#f4faf7;--bg2:#e8f4ee;--card:#ffffff;--text:#16211c;--muted:#5f746a;--brand:#0fb37a;--brand2:#38e0a5;--accent:#f59e0b;--line:rgba(15,179,122,.16);--line2:rgba(15,179,122,.34);--r:10px;--r2:16px;--sh:0 6px 18px rgba(6,26,19,.06);--sh2:0 16px 38px rgba(6,26,19,.12)}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:104px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75}
img{max-width:100%}
a{color:var(--brand)}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.sec{padding:88px 0}
.sec.alt{background:var(--bg2)}
.head{max-width:760px;margin:0 0 42px}
.head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.12em;font-weight:700;color:var(--brand);background:rgba(15,179,122,.1);padding:5px 12px;border-radius:var(--r)}
h1{font-size:52px;line-height:1.14;margin:16px 0 14px;letter-spacing:-.01em}
h2{font-size:34px;line-height:1.3;margin:14px 0 12px}
h3{font-size:20px;line-height:1.45;margin:0 0 8px}
.head p{color:var(--muted);margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 24px;border:0;border-radius:var(--r);background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font:inherit;font-size:16px;font-weight:700;text-decoration:none;cursor:pointer;transition:transform .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px);box-shadow:var(--sh2)}
.btn.o{background:transparent;color:var(--brand);border:2px solid var(--line2);box-shadow:none}
.hd{position:fixed;left:0;right:0;top:0;z-index:60;height:84px;display:flex;align-items:center;background:rgba(244,250,247,.72);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:background .25s,box-shadow .25s}
.hd.s{background:rgba(244,250,247,.95);box-shadow:var(--sh);border-bottom-color:var(--line)}
.bar{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--text);text-decoration:none;white-space:nowrap;flex:0 0 auto}
.logo img{width:36px;height:36px;border-radius:var(--r);display:block}
nav{flex:1 1 auto;display:flex;justify-content:center}
nav ul{display:flex;align-items:center;width:auto;max-width:100%;margin:0;padding:0;list-style:none}
nav a{position:relative;display:block;font-size:16px;font-weight:600;color:var(--text);text-decoration:none;padding:10px 14px;border-radius:var(--r);white-space:nowrap}
nav a::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand2));border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .25s}
nav a:hover::after,nav a[aria-current="page"]::after{transform:scaleX(1)}
nav a:hover{color:var(--brand)}
.hd .btn{height:46px;padding:0 20px;flex:0 0 auto}
.hero{padding:142px 0 84px;background:linear-gradient(180deg,var(--bg2),var(--bg) 72%)}
.hero .grid{display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center}
.hero .pitch{font-size:20px;line-height:1.7;color:var(--muted);margin:0 0 26px;max-width:660px}
.hero .btns{display:flex;gap:14px;flex-wrap:wrap}
.hero .stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r2);padding:14px 16px}
.stat b{display:block;font-size:28px;line-height:1.3}
.stat span{font-size:13px;color:var(--muted)}
.demo{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r2);box-shadow:var(--sh2);padding:20px}
.demo input{position:absolute;opacity:0;pointer-events:none;width:0;height:0}
.dbar{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:6px}
.dbar em{font-style:normal;color:var(--brand);font-weight:700}
.gauge{position:relative;width:190px;height:190px;margin:2px auto 6px}
.gauge svg{display:block;width:100%;height:100%;transform:rotate(-90deg)}
.gauge .bg{fill:none;stroke:var(--bg2);stroke-width:12}
.gauge .prog{fill:none;stroke:url(#gg);stroke-width:12;stroke-linecap:round;stroke-dasharray:502;stroke-dashoffset:132;transition:stroke-dashoffset 1.4s ease}
.gv{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.gv b{font-size:34px;line-height:1.2}
.gv span{font-size:12px;color:var(--muted)}
.km{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;text-align:center;margin:8px 0 12px}
.km div{background:var(--bg2);border-radius:var(--r);padding:7px 4px}
.km b{display:block;font-size:18px;line-height:1.4}
.km span{font-size:12px;color:var(--muted)}
.panes .pane{display:none}
.panes .pane.on{display:block}
.nodes{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:12px}
.nodes label{display:block;text-align:center;background:var(--bg2);border:1px solid transparent;border-radius:var(--r);padding:8px 6px;font-size:13px;cursor:pointer;transition:.2s}
.nodes label:hover{border-color:var(--line2);color:var(--brand)}
.demo input:checked~.nodes label{color:var(--muted)}
.demo input#n1:checked~.nodes label[for="n1"],.demo input#n2:checked~.nodes label[for="n2"],.demo input#n3:checked~.nodes label[for="n3"],.demo input#n4:checked~.nodes label[for="n4"]{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff}
.demo input#n1:checked~.panes .p1,.demo input#n2:checked~.panes .p2,.demo input#n3:checked~.panes .p3,.demo input#n4:checked~.panes .p4{display:block}
.conn{width:100%;height:46px;border:0;border-radius:var(--r);background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font:inherit;font-size:16px;font-weight:700;cursor:pointer}
.demo.on .conn{background:var(--bg2);color:var(--brand)}
.band{padding:30px 0;background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:center}
.band b{display:block;font-size:36px;line-height:1.2;color:var(--brand)}
.band span{font-size:14px;color:var(--muted)}
.g8{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.g6{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r2);padding:22px;transition:transform .25s,box-shadow .25s,border-color .25s}
.fc:hover,.sc:hover,.rv:hover,.nc:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:var(--line2)}
.fc i{display:inline-flex;width:44px;height:44px;align-items:center;justify-content:center;font-size:22px;font-style:normal;background:var(--bg2);border-radius:var(--r)}
.fc h3{margin:12px 0 6px}
.fc p{margin:0;color:var(--muted);font-size:15px}
.nodegrid{display:grid;grid-template-columns:1.12fr .88fr;gap:40px;align-items:start}
.nt{width:100%;border-collapse:collapse;font-size:15px;background:var(--card);border:1px solid var(--line);border-radius:var(--r2);overflow:hidden}
.nt caption{text-align:left;font-size:14px;color:var(--muted);padding:0 0 10px}
.nt th,.nt td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line)}
.nt th{font-size:13px;color:var(--muted);background:var(--bg2);font-weight:700}
.nt tr:last-child td{border-bottom:0}
.nt td b{color:var(--brand)}
.bars .row{margin-bottom:16px}
.bars .row div{display:flex;justify-content:space-between;font-size:14px;margin-bottom:6px}
.bars .row span{color:var(--muted)}
.bars .tr{height:10px;background:var(--bg2);border-radius:var(--r)}
.bars .tr i{display:block;height:10px;border-radius:var(--r);background:linear-gradient(90deg,var(--brand),var(--brand2))}
.sc h3{font-size:19px}
.sc p{margin:0;color:var(--muted);font-size:15px}
.stp{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r2);padding:24px}
.stp b{font-size:30px;color:var(--brand);line-height:1}
.stp h3{margin:10px 0 6px}
.stp p{margin:0;color:var(--muted);font-size:15px}
.pr{background:var(--card);border:1px solid var(--line);border-radius:var(--r2);padding:26px}
.pr.rec{border:2px solid var(--brand);box-shadow:var(--sh2)}
.badge{display:inline-block;font-size:12px;font-weight:700;color:#fff;background:var(--accent);padding:3px 10px;border-radius:var(--r);margin-bottom:8px}
.pr h3{font-size:19px}
.amt{font-size:40px;font-weight:800;line-height:1.2;margin:6px 0 2px}
.amt small{font-size:14px;font-weight:500;color:var(--muted)}
.pr ul{list-style:none;padding:0;margin:14px 0 20px}
.pr li{position:relative;padding-left:22px;font-size:15px;color:var(--muted);margin-bottom:8px}
.pr li::before{content:"✓";position:absolute;left:0;color:var(--brand);font-weight:700}
.pr .btn{width:100%}
.fq{background:var(--card);border:1px solid var(--line);border-radius:var(--r2);margin-bottom:12px;overflow:hidden}
.fq summary{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;padding:18px 22px;font-weight:700;font-size:17px;cursor:pointer;list-style:none}
.fq summary::-webkit-details-marker{display:none}
.fq summary::after{content:"+";color:var(--brand);font-size:22px;line-height:1;flex:0 0 auto}
.fq[open] summary::after{content:"−"}
.fq p{margin:0;padding:0 22px 20px;color:var(--muted);font-size:15px}
.rv p{margin:0 0 14px;font-size:15px;color:var(--muted)}
.rv .who{display:flex;align-items:center;gap:10px}
.av{flex:0 0 40px;height:40px;border-radius:var(--r);background:var(--bg2);color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:800}
.who b{display:block;font-size:15px;line-height:1.3}
.who span{font-size:13px;color:var(--muted)}
.nc{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r2);overflow:hidden;text-decoration:none;color:inherit;transition:transform .25s,box-shadow .25s,border-color .25s}
.nc img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.ncb{padding:16px 18px 20px}
.dt{font-size:13px;color:var(--muted)}
.nc h3{font-size:18px;margin:7px 0 6px}
.nc p{margin:0;font-size:14px;color:var(--muted)}
.nc .more{display:inline-block;margin-top:10px;font-size:14px;font-weight:700;color:var(--brand)}
.cta{background:linear-gradient(135deg,var(--brand),var(--brand2));border-radius:var(--r2);padding:52px 40px;text-align:center;color:#fff}
.cta h2{font-size:32px;margin:0 0 10px;color:#fff}
.cta p{margin:0 0 24px;opacity:.95}
.cta .btn{background:#fff;color:var(--brand);box-shadow:none}
.ft{background:var(--bg2);border-top:1px solid var(--line);padding:62px 0 24px}
.ft .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.ft .brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;margin-bottom:10px}
.ft .brand img{width:34px;height:34px;border-radius:var(--r)}
.ft .about{font-size:15px;color:var(--muted);max-width:330px;margin:0}
.ft h4{font-size:16px;margin:0 0 10px}
.ft a{display:block;font-size:15px;color:var(--muted);text-decoration:none;padding:5px 0}
.ft a:hover{color:var(--brand)}
.ft .bot{margin-top:34px;padding-top:18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:14px;color:var(--muted)}
#toTop{position:fixed;right:20px;bottom:20px;width:46px;height:46px;display:none;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--r);background:var(--card);color:var(--brand);font-size:18px;cursor:pointer;box-shadow:var(--sh);z-index:70}
#toTop.show{display:flex}
.crumb{font-size:14px;color:var(--muted);margin:0 0 16px}
.crumb a{color:var(--brand);text-decoration:none}
.crumb span{margin:0 6px;color:var(--muted)}
.nw{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start;padding:128px 0 80px}
.nw article h1{font-size:38px;line-height:1.3;margin:6px 0 12px}
.meta{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:14px;color:var(--muted);margin:0 0 22px}
.meta b{color:var(--brand)}
.nw article .cover{width:100%;height:auto;border-radius:var(--r2);margin:0 0 26px}
.nw article p{font-size:17px;line-height:1.85;margin:0 0 18px}
.nw article h2{font-size:26px;line-height:1.4;margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--brand)}
.nw article figure{margin:26px 0}
.nw article figure img{width:100%;height:auto;border-radius:var(--r2);display:block}
.nw article figcaption{font-size:13px;color:var(--muted);margin-top:8px}
.quote{background:var(--bg2);border-left:3px solid var(--accent);border-radius:var(--r);padding:14px 18px;margin:0 0 18px;font-size:16px}
.quote b{display:block;font-size:15px;margin-top:6px;color:var(--brand)}
.side{position:sticky;top:104px;display:grid;gap:16px}
.side .card{padding:18px;box-shadow:var(--sh)}
.side h3{font-size:16px;margin:0 0 12px;padding-left:12px;position:relative}
.side h3::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;border-radius:2px;background:linear-gradient(var(--brand),var(--brand2))}
.toc{list-style:none;margin:0;padding:0 0 0 18px;border-left:1px solid var(--line)}
.toc li{position:relative;margin:0 0 11px;font-size:14px;line-height:1.5}
.toc li::before{content:"";position:absolute;left:-22px;top:6px;width:7px;height:7px;background:var(--card);border:2px solid var(--line2);border-radius:2px}
.toc a{display:block;color:var(--muted);text-decoration:none}
.toc a:hover,.toc a.on{color:var(--brand);font-weight:700}
.hot{list-style:none;margin:0;padding:0;counter-reset:h}
.hot li{counter-increment:h;display:flex;gap:10px;margin-bottom:11px;font-size:14px;line-height:1.5}
.hot li::before{content:counter(h);flex:0 0 22px;height:22px;line-height:22px;text-align:center;border-radius:var(--r);background:var(--bg2);color:var(--muted);font-size:12px;font-weight:700}
.hot li.h1::before{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff}
.hot li.h2::before{background:var(--accent);color:#fff}
.hot li.h3::before{background:var(--brand2);color:#fff}
.hot li:hover::before{transform:scale(1.1)}
.hot a{color:var(--text);text-decoration:none}
.hot a:hover{color:var(--brand)}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags a{font-size:13px;padding:5px 10px;border:1px solid var(--line);border-radius:var(--r);color:var(--muted);text-decoration:none}
.tags a:hover{color:var(--brand);border-color:var(--brand)}
.postnav{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:34px 0 10px}
.postnav a{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r2);padding:14px 18px;text-decoration:none;color:var(--text)}
.postnav a:hover{border-color:var(--line2);box-shadow:var(--sh)}
.postnav span{display:block;font-size:13px;color:var(--muted)}
.postnav b{font-size:15px;font-weight:700}
.postnav .nx{text-align:right}
.cmlist .cm{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid var(--line)}
.cm .body{flex:1 1 auto}
.cm b{font-size:15px}
.cm time{font-size:13px;color:var(--muted);margin-left:8px}
.cm p{margin:4px 0 0;font-size:15px;color:var(--muted)}
.related{margin-top:20px}
.rel{list-style:none;margin:0;padding:0}
.rel li{border-bottom:1px dashed var(--line)}
.rel li:last-child{border-bottom:0}
.rel a{display:block;padding:9px 0;font-size:15px;color:var(--text);text-decoration:none}
.rel a:hover{color:var(--brand)}
.doc{padding:126px 0 76px}
.doc .inner{max-width:900px}
.doc h1{font-size:40px}
.doc h2{font-size:24px;margin:30px 0 10px}
.doc p,.doc li{color:var(--muted)}
.doc ul{padding-left:20px}
.e404{padding:170px 0 110px;text-align:center}
.e404 b{display:block;font-size:120px;line-height:1;color:var(--brand);letter-spacing:-.04em}
.e404 p{color:var(--muted);margin:10px 0 26px}
.smlist{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.smlist .card h3{font-size:18px}
.smlist .card a{display:block;text-decoration:none;color:var(--text);font-size:15px;padding:6px 0;border-bottom:1px dashed var(--line)}
.smlist .card a:hover{color:var(--brand)}
.smlist .card a:last-child{border-bottom:0}
html.js .reveal{opacity:0;transform:translateY(16px)}
html.js .reveal.in{opacity:1;transform:none;transition:opacity .6s ease,transform .6s ease}
@media (max-width:992px){
h1{font-size:40px}
.hero{padding:118px 0 64px}
.hero .grid{grid-template-columns:1fr;gap:36px}
.g8{grid-template-columns:repeat(2,1fr)}
.g6{grid-template-columns:repeat(2,1fr)}
.g4{grid-template-columns:repeat(2,1fr)}
.nodegrid{grid-template-columns:1fr}
.sec{padding:64px 0}
.nw{grid-template-columns:1fr;padding:112px 0 64px}
.side{position:static}
.smlist{grid-template-columns:1fr}
.nw article h1{font-size:32px}
.ft .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
.hd{height:70px}
.bar{padding:0 16px;gap:10px}
.logo{font-size:17px;gap:8px}
.logo img{width:30px;height:30px}
nav a{font-size:14px;padding:9px 7px}
.hd .btn{height:40px;padding:0 14px;font-size:14px}
.hero{padding:104px 0 56px}
h1{font-size:34px}
h2{font-size:28px}
.hero .pitch{font-size:18px}
.band .wrap{grid-template-columns:repeat(2,1fr);gap:16px}
.g3{grid-template-columns:1fr}
.pr.rec{box-shadow:var(--sh)}
.cta{padding:34px 22px}
.cta h2{font-size:26px}
.doc{padding:100px 0 60px}
.e404 b{font-size:92px}
.e404{padding:130px 0 80px}
}
@media (max-width:480px){
.hd{height:62px}
.bar{padding:0 12px;gap:6px}
.logo{font-size:14px}
.logo img{width:24px;height:24px}
nav a{font-size:12.5px;padding:9px 5px}
.hd .btn{display:none}
.wrap{padding:0 14px}
.sec{padding:48px 0}
h1{font-size:28px}
h2{font-size:24px}
.hero{padding:88px 0 44px}
.hero .stats{grid-template-columns:1fr}
.g8,.g6,.g4,.ft .cols{grid-template-columns:1fr}
.demo{padding:14px}
.gauge{width:160px;height:160px}
.gv b{font-size:30px}
.band b{font-size:28px}
.cta{padding:28px 18px}
.cta h2{font-size:22px}
.nw{padding:88px 0 52px}
.nw article h1{font-size:26px}
.nw article p{font-size:16px}
.nw article h2{font-size:22px}
.postnav{grid-template-columns:1fr}
.doc{padding:88px 0 52px}
.doc h1{font-size:28px}
.fq summary{font-size:16px}
}
@media (max-width:380px){
.bar{padding:0 8px;gap:4px}
.logo{font-size:13px;gap:4px}
.logo img{width:22px;height:22px}
nav a{font-size:12.5px;padding:9px 4px}
}