:root{--bg:#f4faf7;--bg2:#e8f4ee;--card:#ffffff;--text:#16211c;--muted:#5f746a;--brand:#0fb37a;--brand2:#38e0a5;--accent:#f59e0b;--line:rgba(22,33,28,.12);--line2:rgba(22,33,28,.22);--grad:linear-gradient(135deg,#0fb37a 0%,#38e0a5 100%);--sh1:0 4px 16px rgba(22,33,28,.06);--sh2:0 14px 34px rgba(22,33,28,.13);--r:16px;--pill:999px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-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;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand);text-decoration:underline}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.28;letter-spacing:-.01em;font-weight:800}
h1{font-size:clamp(34px,4.4vw,52px)}
h2{font-size:clamp(26px,3vw,34px)}
h3{font-size:20px;font-weight:700}
p{margin:0 0 18px}
ul,ol{margin:0 0 18px;padding-left:22px}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section.tight{padding:64px 0}
.bg-soft{background:var(--bg2)}
.section-head{max-width:720px;margin:0 auto 46px;text-align:center}
.section-head p{margin:0;color:var(--muted)}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--brand);background:rgba(15,179,122,.1);padding:5px 14px;border-radius:var(--pill);margin-bottom:14px}
.skip{position:absolute;left:-9999px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--pill);font-size:16px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s;text-align:center}
.btn-primary{background:var(--grad);color:var(--text);box-shadow:var(--sh1)}
.btn-primary:hover{color:var(--text);transform:translateY(-2px);box-shadow:var(--sh2)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line2)}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand);background:rgba(15,179,122,.06);transform:translateY(-2px)}
.btn-sm{height:42px;padding:0 20px;font-size:15px}
.header{position:fixed;top:0;left:0;right:0;z-index:90;background:rgba(244,250,247,.82);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:background .25s,border-color .25s,box-shadow .25s}
.header.scrolled{background:rgba(232,244,238,.95);border-bottom-color:var(--line);box-shadow:var(--sh1)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;height:84px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);font-weight:800;font-size:20px;white-space:nowrap}
.brand:hover{color:var(--text)}
.brand img{width:36px;height:36px;border-radius:10px;object-fit:contain}
.brand span small{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.06em;line-height:1.2;margin-top:-2px}
.nav-links{display:flex;align-items:center;gap:clamp(10px,2.2vw,32px);list-style:none;margin:0;padding:0;flex:1 1 auto;justify-content:center;min-width:0}
.nav-links a{position:relative;color:var(--text);font-size:16px;font-weight:600;white-space:nowrap;padding:8px 2px}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--grad);border-radius:2px;transform:scaleX(0);transform-origin:center;transition:transform .25s}
.nav-links a:hover::after,.nav-links a[aria-current="page"]::after{transform:scaleX(1)}
.nav-links a[aria-current="page"]{color:var(--brand)}
.nav-cta{flex:0 0 auto}
.hero{padding:150px 0 84px;background:radial-gradient(900px 460px at 78% -10%,rgba(56,224,165,.22),transparent 70%)}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:56px;align-items:center}
.hero h1 span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:19px;color:var(--muted);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 8px}
.hero-note{font-size:13px;color:var(--muted)}
.hero-num{display:flex;flex-wrap:wrap;gap:34px;margin-top:34px;padding-top:28px;border-top:1px solid var(--line)}
.hero-num div strong{display:block;font-size:32px;line-height:1.1;font-weight:800;color:var(--text)}
.hero-num div span{font-size:13px;color:var(--muted)}
.demo{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh2);overflow:hidden}
.demo-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line);background:var(--bg2)}
.demo-top strong{font-size:15px}
.demo-dots{display:flex;gap:5px}
.demo-dots i{width:9px;height:9px;border-radius:50%;background:var(--line2)}
.demo-dots i:first-child{background:var(--accent)}
.demo-body{padding:20px 20px 22px}
.demo-node{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.node-chip{position:relative;display:inline-flex}
.node-chip input{position:absolute;opacity:0;width:0;height:0}
.node-chip span{display:inline-block;font-size:13px;font-weight:600;padding:6px 12px;border:1px solid var(--line2);border-radius:var(--pill);color:var(--muted);cursor:pointer;transition:.2s}
.node-chip input:checked+span{background:rgba(15,179,122,.12);border-color:var(--brand);color:var(--text)}
.gauge{position:relative;width:200px;height:200px;margin:4px auto 10px}
.gauge svg{transform:rotate(-90deg);width:100%;height:100%}
.gauge .track{fill:none;stroke:var(--bg2);stroke-width:12}
.gauge .bar{fill:none;stroke:url(#gg);stroke-width:12;stroke-linecap:round;stroke-dasharray:439.8;stroke-dashoffset:439.8;transition:stroke-dashoffset 1.1s ease}
.gauge .bar.on{stroke-dashoffset:70}
.gauge-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.gauge-center b{font-size:34px;line-height:1;font-weight:800}
.gauge-center b em{font-size:14px;font-style:normal;color:var(--muted)}
.gauge-center small{font-size:12px;color:var(--muted);margin-top:6px}
.demo-state{display:flex;align-items:center;justify-content:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:14px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent)}
.dot.on{background:var(--brand);box-shadow:0 0 0 4px rgba(15,179,122,.16)}
.demo-connect{width:100%;height:46px;border:0;border-radius:var(--pill);background:var(--grad);color:var(--text);font-size:16px;font-weight:800;cursor:pointer;transition:.2s}
.demo-connect:hover{transform:translateY(-1px);box-shadow:var(--sh2)}
.demo-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}
.demo-metrics div{background:var(--bg2);border-radius:var(--r);padding:10px 8px;text-align:center}
.demo-metrics b{display:block;font-size:17px}
.demo-metrics b em{font-size:11px;font-style:normal;color:var(--muted);margin-left:2px}
.demo-metrics span{font-size:11.5px;color:var(--muted)}
.demo-toggles{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.tg{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);cursor:pointer}
.tg input{position:absolute;opacity:0;width:0;height:0}
.tg i{position:relative;width:38px;height:22px;border-radius:var(--pill);background:var(--line2);transition:.2s}
.tg i::after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:var(--card);transition:.2s}
.tg input:checked+i{background:var(--brand)}
.tg input:checked+i::after{transform:translateX(16px)}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:44px}
.stats div{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;text-align:center;box-shadow:var(--sh1);min-width:0}
.stats b{display:block;font-size:32px;font-weight:800;line-height:1.1}
.stats span{font-size:13.5px;color:var(--muted)}
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px;box-shadow:var(--sh1);transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(15,179,122,.3)}
.card .ico{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:var(--pill);background:rgba(15,179,122,.1);font-size:22px;margin-bottom:16px}
.card h3{margin-bottom:8px}
.card p{margin:0;color:var(--muted);font-size:15px}
.card .meta{display:inline-block;margin-top:14px;font-size:13px;font-weight:700;color:var(--brand);background:rgba(15,179,122,.08);padding:4px 12px;border-radius:var(--pill)}
.card-link{display:block;color:inherit}
.card-link:hover{color:inherit}
.step .num{font-size:13px;font-weight:800;color:var(--brand);letter-spacing:.14em;margin-bottom:8px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.node-table{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh1)}
.node-row{display:grid;grid-template-columns:1.3fr 1fr .8fr;gap:10px;padding:14px 20px;border-bottom:1px solid var(--line);font-size:14.5px;align-items:center}
.node-row:last-child{border-bottom:0}
.node-row.head{background:var(--bg2);font-weight:700;font-size:13px;color:var(--muted);letter-spacing:.04em}
.node-row b{font-weight:700}
.node-row .lat{color:var(--brand);font-weight:700;text-align:right}
.bars{margin-top:26px}
.bar-item{margin-bottom:16px}
.bar-item span{display:flex;justify-content:space-between;font-size:13.5px;color:var(--muted);margin-bottom:6px}
.bar-item em{font-style:normal;color:var(--text);font-weight:700}
.bar-item i{display:block;height:8px;border-radius:var(--pill);background:var(--bg2);overflow:hidden}
.bar-item i u{display:block;height:100%;border-radius:var(--pill);background:var(--grad);text-decoration:none}
.proto{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.proto span{font-size:13px;font-weight:700;color:var(--text);background:rgba(15,179,122,.1);border:1px solid rgba(15,179,122,.22);padding:6px 14px;border-radius:var(--pill)}
.price-card{position:relative;display:flex;flex-direction:column}
.price-card .tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--accent);color:var(--text);font-size:12px;font-weight:800;padding:4px 14px;border-radius:var(--pill);white-space:nowrap}
.price-card.featured{border-color:var(--brand);box-shadow:var(--sh2);background:linear-gradient(180deg,rgba(56,224,165,.1),var(--card) 42%)}
.price{display:flex;align-items:baseline;gap:6px;margin:6px 0 4px}
.price b{font-size:38px;font-weight:800;line-height:1}
.price span{font-size:13px;color:var(--muted)}
.price-card ul{list-style:none;margin:18px 0 24px;padding:0;font-size:14.5px;color:var(--muted)}
.price-card li{padding:7px 0;border-bottom:1px dashed var(--line)}
.price-card li::before{content:"✓";color:var(--brand);font-weight:800;margin-right:8px}
.price-card .btn{margin-top:auto;width:100%}
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:12px}
details.faq{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:0 22px;box-shadow:var(--sh1)}
details.faq summary{display:flex;align-items:center;gap:12px;cursor:pointer;list-style:none;padding:20px 0;font-weight:700;font-size:16.5px}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::before{content:"?";flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:rgba(15,179,122,.12);color:var(--brand);font-size:14px;font-weight:800;display:inline-flex;align-items:center;justify-content:center}
details.faq summary::after{content:"+";margin-left:auto;color:var(--brand);font-size:22px;font-weight:700;line-height:1;transition:transform .25s}
details.faq[open] summary::after{transform:rotate(45deg)}
details.faq .ans{padding:0 0 20px 38px;color:var(--muted);font-size:15px}
details.faq .ans p{margin:0 0 10px}
details.faq .ans ol{padding-left:20px;margin-bottom:0}
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--sh1)}
.quote p{font-size:15px;color:var(--text)}
.quote footer{display:flex;align-items:center;gap:12px;margin-top:18px;font-size:13.5px;color:var(--muted)}
.avatar{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:var(--grad);color:var(--text);font-weight:800;font-size:15px;flex:0 0 auto}
.quote footer b{display:block;color:var(--text);font-size:14.5px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh1);transition:transform .25s,box-shadow .25s;color:var(--text)}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);color:var(--text)}
.news-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-card .body{padding:20px;display:flex;flex-direction:column;flex:1}
.news-card time{font-size:12.5px;color:var(--muted);margin-bottom:6px}
.news-card h3{font-size:17px;line-height:1.5;margin-bottom:8px}
.news-card p{font-size:14px;color:var(--muted);margin:0 0 14px}
.news-card .more{margin-top:auto;font-size:13.5px;font-weight:700;color:var(--brand)}
.cta-band{background:linear-gradient(135deg,rgba(15,179,122,.14),rgba(56,224,165,.22));border:1px solid rgba(15,179,122,.22);border-radius:var(--r);padding:52px 32px;text-align:center}
.cta-band h2{margin-bottom:10px}
.cta-band p{color:var(--muted);max-width:600px;margin:0 auto 26px}
.cta-band .hero-actions{justify-content:center;margin-bottom:0}
.footer{background:var(--bg2);border-top:1px solid var(--line);padding:64px 0 26px;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer h4{font-size:14px;font-weight:800;letter-spacing:.06em;color:var(--text);margin-bottom:16px}
.footer a{display:block;color:var(--muted);font-size:15px;line-height:2;padding:2px 0}
.footer a:hover{color:var(--brand)}
.footer .f-brand p{font-size:15px;color:var(--muted);max-width:300px;margin:14px 0 0}
.footer .brand{margin-bottom:4px}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;border-top:1px solid var(--line);margin-top:44px;padding-top:22px;font-size:13.5px;color:var(--muted)}
.footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom nav a{display:inline-block;font-size:13.5px}
.to-top{position:fixed;right:22px;bottom:24px;width:46px;height:46px;border-radius:50%;border:1px solid var(--line2);background:var(--card);color:var(--brand);font-size:18px;font-weight:800;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:var(--sh1);opacity:0;pointer-events:none;transition:.25s;z-index:80}
.to-top.show{opacity:1;pointer-events:auto}
.page-hero{padding:140px 0 52px;background:radial-gradient(760px 380px at 82% -20%,rgba(56,224,165,.2),transparent 70%)}
.page-hero h1{margin-bottom:14px}
.page-hero p{color:var(--muted);font-size:18px;max-width:680px;margin:0}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13.5px;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span{opacity:.5}
.breadcrumb [aria-current="page"]{color:var(--brand);font-weight:600}
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.dl-card .ver{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:12px}
.dl-card .ver b{color:var(--brand);font-weight:800;background:rgba(15,179,122,.1);padding:3px 10px;border-radius:var(--pill)}
.dl-card ul{list-style:none;padding:0;margin:0 0 20px;font-size:14px;color:var(--muted)}
.dl-card li{padding:6px 0}
.dl-card li::before{content:"·";color:var(--brand);font-weight:800;margin-right:8px}
.spec{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.spec div{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;box-shadow:var(--sh1)}
.spec b{display:block;font-size:13px;color:var(--muted);font-weight:600;margin-bottom:4px}
.spec span{font-size:15px;font-weight:700}
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start;padding:36px 0 0}
.article{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:36px;box-shadow:var(--sh1);min-width:0}
.article h1{font-size:clamp(26px,3vw,36px);margin-bottom:16px}
.article-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13.5px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:24px}
.article-body{font-size:16px}
.article-body h2{font-size:24px;margin:34px 0 14px;padding-left:12px;border-left:3px solid var(--brand)}
.article-body figure{margin:24px 0}
.article-body figure img{border-radius:var(--r);width:100%}
.article-body figcaption{font-size:13px;color:var(--muted);margin-top:8px;text-align:center}
.article-body blockquote{margin:24px 0;padding:16px 20px;background:var(--bg2);border-left:3px solid var(--brand);border-radius:0 var(--r) var(--r) 0;color:var(--muted);font-size:15px}
.article-body blockquote b{color:var(--text)}
.lead{font-size:17px;color:var(--muted)}
.callout{background:rgba(15,179,122,.07);border:1px solid rgba(15,179,122,.2);border-radius:var(--r);padding:20px 22px;margin:24px 0}
.callout ul{margin:0;padding-left:20px;font-size:15px;color:var(--muted)}
.data-table{width:100%;border-collapse:collapse;font-size:14.5px;margin:18px 0}
.data-table th,.data-table td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.data-table th{background:var(--bg2);font-size:13px;color:var(--muted)}
.sidebar{position:sticky;top:104px;display:grid;gap:18px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--sh1)}
.side-card h3{font-size:15px;margin-bottom:16px;padding-left:10px;border-left:3px solid var(--brand);line-height:1.2}
.toc{list-style:none;margin:0;padding:0 0 0 14px;border-left:1px solid var(--line)}
.toc li{position:relative;padding:0 0 14px 12px;font-size:14px}
.toc li::before{content:"";position:absolute;left:-19px;top:9px;width:9px;height:9px;border-radius:50%;background:var(--bg2);border:2px solid var(--card);box-shadow:0 0 0 1px var(--line2)}
.toc li.active::before{background:var(--brand);box-shadow:0 0 0 1px var(--brand)}
.toc a{color:var(--muted);font-weight:500}
.toc li.active a{color:var(--brand);font-weight:800}
.hot-list{list-style:none;margin:0;padding:0;counter-reset:hot}
.hot-list li{counter-increment:hot;display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px}
.hot-list li:last-child{border-bottom:0}
.hot-list li::before{content:counter(hot);flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--bg2);color:var(--muted);font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;transition:.2s}
.hot-list li:nth-child(1)::before{background:var(--grad);color:var(--text)}
.hot-list li:nth-child(2)::before{background:rgba(56,224,165,.28);color:var(--text)}
.hot-list li:nth-child(3)::before{background:rgba(245,158,11,.24);color:var(--text)}
.hot-list li:hover::before{transform:scale(1.12)}
.hot-list a{color:var(--text)}
.hot-list a:hover{color:var(--brand);font-weight:600}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags a,.tags span{font-size:12.5px;font-weight:600;color:var(--muted);border:1px solid var(--line2);border-radius:var(--pill);padding:5px 12px;transition:.2s}
.tags a:hover{color:var(--brand);border-color:var(--brand);background:rgba(15,179,122,.07)}
.article-nav{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.article-nav a{background:var(--bg2);border-radius:var(--r);padding:16px 18px;font-size:14px;color:var(--text);display:block}
.article-nav a:hover{background:rgba(15,179,122,.1);color:var(--text)}
.article-nav small{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}
.article-nav .next{text-align:right}
.related{margin-top:38px}
.related h2{font-size:22px;margin-bottom:18px}
.comments{margin-top:38px;padding-top:26px;border-top:1px solid var(--line)}
.comments h2{font-size:22px;margin-bottom:18px}
.comment{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line)}
.comment:last-child{border-bottom:0}
.comment .avatar{width:42px;height:42px;font-size:16px}
.comment .c-body{min-width:0}
.comment .c-body header{display:flex;flex-wrap:wrap;gap:10px;align-items:baseline;margin-bottom:4px}
.comment .c-body header b{font-size:14.5px}
.comment .c-body header time{font-size:12.5px;color:var(--muted)}
.comment .c-body p{margin:0;font-size:14.5px;color:var(--muted)}
.list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pager{display:flex;justify-content:center;gap:8px;margin-top:40px}
.pager a,.pager span{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 14px;border-radius:var(--pill);border:1px solid var(--line2);font-size:14px;color:var(--muted);font-weight:600}
.pager .cur{background:var(--grad);border-color:transparent;color:var(--text)}
.prose{max-width:860px}
.prose h2{font-size:24px;margin-top:36px}
.prose h3{font-size:18px;margin-top:26px}
.prose p,.prose li{color:var(--muted);font-size:15.5px}
.prose strong{color:var(--text)}
.notice{background:rgba(245,158,11,.1);border:1px solid rgba(245,158,11,.3);border-radius:var(--r);padding:16px 20px;font-size:14px;color:var(--text);margin-bottom:26px}
.sitemap-group{margin-bottom:30px}
.sitemap-group h2{font-size:20px;margin-bottom:10px}
.sitemap-group ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,1fr);gap:6px 18px}
.sitemap-group a{font-size:15px}
.sitemap-group small{color:var(--muted);font-size:13px}
.err-wrap{min-height:70vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:150px 24px 80px}
.err-wrap .code{font-size:clamp(86px,16vw,150px);font-weight:800;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.err-wrap p{color:var(--muted);max-width:520px;margin:8px auto 26px}
.reveal{opacity:1;transform:none}
html.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
html.js .reveal.in{opacity:1;transform:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
@media(max-width:992px){
.nav{height:74px;gap:12px}
.brand img{width:32px;height:32px}
.brand{font-size:17px}
.brand span small{display:none}
.nav-links{gap:14px}
.nav-links a{font-size:14px}
.nav-cta .btn{height:40px;padding:0 16px;font-size:14px}
.hero{padding:126px 0 64px}
.hero-grid{grid-template-columns:1fr;gap:40px}
.hero-sub{max-width:none}
.demo{max-width:520px}
.section{padding:70px 0}
.g3,.quotes,.news-grid,.list-grid,.dl-grid,.g4{grid-template-columns:repeat(2,1fr)}
.stats{grid-template-columns:repeat(2,1fr)}
.split{grid-template-columns:1fr;gap:34px}
.footer-grid{grid-template-columns:1fr 1fr;gap:28px}
.article-wrap{grid-template-columns:1fr;gap:28px}
.sidebar{position:static;grid-template-columns:1fr;order:2}
.article{padding:26px}
.spec{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.nav{height:68px;gap:8px}
.brand{font-size:16px}
.brand img{width:28px;height:28px}
.nav-links{gap:11px}
.nav-links a{font-size:13px;padding:8px 1px}
.nav-cta .btn{height:38px;padding:0 14px;font-size:13px}
.hero{padding:110px 0 52px}
h1{font-size:32px}
h2{font-size:26px}
.section{padding:52px 0}
.section.tight{padding:44px 0}
.g3,.g2,.g4,.quotes,.news-grid,.list-grid,.dl-grid,.spec,.article-nav{grid-template-columns:1fr}
.stats{grid-template-columns:repeat(2,1fr);gap:12px}
.hero-num{gap:22px}
.hero-num div strong{font-size:26px}
.card{padding:22px}
.article{padding:20px;border-radius:var(--r)}
.article h1{font-size:25px}
.article-body h2{font-size:20px}
.footer{padding:46px 0 22px;margin-top:60px}
.footer-grid{grid-template-columns:1fr}
.cta-band{padding:36px 20px}
.node-row{grid-template-columns:1.2fr .9fr .7fr;padding:12px 14px;font-size:13px}
.sitemap-group ul{grid-template-columns:1fr}
}
@media(max-width:480px){
.nav{height:62px}
.brand{font-size:14.5px;gap:6px}
.brand img{width:26px;height:26px}
.nav-links{gap:9px}
.nav-links a{font-size:12.5px;letter-spacing:-.01em}
.nav-cta{display:none}
.hero{padding:96px 0 40px}
.hero h1{font-size:28px}
.hero-sub{font-size:16px}
.hero-actions{gap:10px}
.hero-actions .btn{flex:1 1 100%;height:46px}
.hero-num{gap:18px}
.hero-num div strong{font-size:23px}
.demo-body{padding:16px}
.gauge{width:172px;height:172px}
.gauge-center b{font-size:29px}
.demo-metrics b{font-size:15px}
.stats b{font-size:20px}
.stats div{padding:16px 8px}
.stats span{font-size:12px}
.card{padding:20px}
.article{padding:16px}
.wrap{padding:0 16px}
}