:root{--bg:#f4faf7;--bg2:#e8f4ee;--card:#fff;--text:#16211c;--muted:#5f746a;--brand:#0fb37a;--brand2:#38e0a5;--accent:#f59e0b;--line:rgba(15,179,122,.16);--line2:rgba(15,179,122,.08);--sh:0 8px 24px rgba(22,33,28,.07);--sh2:0 20px 46px rgba(22,33,28,.13);--r:12px;--r2:16px;--wrap:1200px}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:100px}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;overflow-x:hidden}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand)}
h1,h2,h3,h4{margin:0 0 16px;line-height:1.25;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(34px,4.6vw,54px)}
h2{font-size:clamp(26px,3.2vw,36px)}
h3{font-size:22px}
p{margin:0 0 18px}
ul,ol{margin:0 0 18px;padding-left:22px}
li{margin-bottom:8px}
strong,b{font-weight:700}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.sec{padding:88px 0}
.sec.alt{background:var(--bg2)}
.sec-head{max-width:760px;margin:0 auto 48px;text-align:center}
.sec-head.left{margin-left:0;text-align:left}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--brand);font-weight:700;margin-bottom:12px}
.lead{color:var(--muted);font-size:17px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r);border:1px solid transparent;font-size:16px;font-weight:600;cursor:pointer;transition:transform .18s,box-shadow .18s,background .18s,color .18s;white-space:nowrap}
.btn-primary{background:linear-gradient(120deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 10px 24px rgba(15,179,122,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,179,122,.34)}
.btn-ghost{background:var(--card);color:var(--text);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh)}
.site-head{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(244,250,247,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:background .25s,border-color .25s,box-shadow .25s}
.site-head.scrolled{background:rgba(244,250,247,.97);border-bottom-color:var(--line);box-shadow:0 6px 22px rgba(22,33,28,.07)}
.bar{max-width:var(--wrap);margin:0 auto;padding:0 24px;height:84px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--text);white-space:nowrap;flex-shrink:0}
.brand img{width:36px;height:36px;border-radius:9px}
.brand:hover{color:var(--text)}
.brand em{font-style:normal;font-size:12px;font-weight:500;color:var(--muted);letter-spacing:.1em;margin-left:4px}
.nav{display:flex;align-items:center;gap:28px;margin:0 auto;flex-wrap:nowrap;min-width:0}
.nav a{position:relative;font-size:16px;color:var(--text);font-weight:500;padding:6px 2px;white-space:nowrap}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--brand2));transform:scaleX(0);transform-origin:left;transition:transform .22s}
.nav a:hover::after,.nav a.active::after{transform:scaleX(1)}
.nav a.active{color:var(--brand)}
.head-cta{flex-shrink:0}
.hero{padding:150px 0 76px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-220px;right:-160px;width:640px;height:640px;border-radius:50%;background:radial-gradient(circle,rgba(56,224,165,.26),rgba(56,224,165,0) 66%);pointer-events:none}
.hero::after{content:"";position:absolute;left:-200px;bottom:-260px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(245,158,11,.16),rgba(245,158,11,0) 68%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.hero h1{margin-bottom:20px}
.hero h1 span{color:var(--brand)}
.hero-sub{font-size:20px;font-weight:600;color:var(--text);margin-bottom:12px}
.hero-desc{color:var(--muted);font-size:17px;max-width:520px;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;border-top:1px solid var(--line);padding-top:24px}
.stat b{display:block;font-size:30px;line-height:1.1;color:var(--text)}
.stat b i{font-style:normal;font-size:15px;color:var(--muted);font-weight:600;margin-left:3px}
.stat span{display:block;font-size:14px;color:var(--muted);margin-top:4px}
.demo{background:linear-gradient(150deg,rgba(56,224,165,.18),rgba(15,179,122,.05) 46%,rgba(245,158,11,.12));padding:1px;border-radius:var(--r2);box-shadow:var(--sh2)}
.demo-in{background:var(--card);border-radius:var(--r2);overflow:hidden}
.demo-head{display:flex;align-items:center;gap:10px;padding:14px 18px;border-bottom:1px solid var(--line2);font-size:14px;color:var(--muted)}
.demo-head .dot{width:9px;height:9px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(15,179,122,.16)}
.demo-head .st{margin-left:auto;font-weight:600;color:var(--brand)}
.demo-head .st.off{color:var(--muted)}
.demo-body{padding:24px 22px 22px;display:grid;grid-template-columns:168px 1fr;gap:22px;align-items:center}
.gauge{position:relative;width:168px;height:168px;border-radius:50%;background:conic-gradient(var(--brand) calc(var(--p,72) * 1%),var(--bg2) 0);display:grid;place-items:center;transition:background .6s ease}
.gauge::before{content:"";position:absolute;inset:13px;background:var(--card);border-radius:50%;box-shadow:inset 0 2px 10px rgba(22,33,28,.06)}
.gauge-in{position:relative;text-align:center;line-height:1.2}
.gauge-in b{display:block;font-size:30px;letter-spacing:-.02em}
.gauge-in span{font-size:12px;color:var(--muted);letter-spacing:.08em}
.demo-meta{display:grid;gap:2px;margin-bottom:14px}
.demo-meta span{font-size:12px;color:var(--muted);letter-spacing:.06em}
.demo-meta b{font-size:19px}
.demo-meta i{font-style:normal;color:var(--brand);font-weight:700;font-size:14px}
.nodes{display:grid;grid-template-columns:1fr;gap:8px;margin-bottom:14px}
.node{display:flex;justify-content:space-between;align-items:center;gap:8px;width:100%;padding:9px 12px;border-radius:var(--r);border:1px solid var(--line);background:var(--bg);color:var(--text);font:inherit;font-size:13.5px;cursor:pointer;transition:border-color .18s,background .18s,transform .18s}
.node i{font-style:normal;font-size:12.5px;color:var(--muted)}
.node:hover{border-color:var(--brand);transform:translateY(-1px)}
.node.active{background:rgba(15,179,122,.1);border-color:var(--brand);font-weight:600}
.node.active i{color:var(--brand);font-weight:700}
.demo-btn{width:100%;height:44px;font-size:15px}
.demo-btn.off{background:var(--bg2);color:var(--brand);border:1px solid var(--line);box-shadow:none}
.sw-row{display:flex;gap:18px;margin-top:14px;flex-wrap:wrap}
.sw-item{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);cursor:pointer;user-select:none}
.sw{position:relative;width:40px;height:22px;border-radius:11px;background:var(--bg2);border:1px solid var(--line);transition:background .2s}
.sw::after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(22,33,28,.24);transition:transform .2s}
.sw-item input{position:absolute;opacity:0;width:0;height:0}
.sw-item input:checked+.sw{background:var(--brand);border-color:var(--brand)}
.sw-item input:checked+.sw::after{transform:translateX(18px)}
.sw-item input:focus-visible+.sw{outline:2px solid var(--brand);outline-offset:2px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{background:var(--card);border:1px solid var(--line2);border-radius:var(--r2);padding:26px;box-shadow:var(--sh);transition:transform .22s,box-shadow .22s,border-color .22s}
.card:hover{transform:translateY(-5px);box-shadow:var(--sh2);border-color:var(--line)}
.card .ico{width:46px;height:46px;border-radius:var(--r);display:grid;place-items:center;font-size:22px;background:var(--bg2);margin-bottom:16px}
.card h3{font-size:19px;margin-bottom:8px}
.card p{color:var(--muted);font-size:15px;margin:0}
.card .kv{display:block;margin-top:12px;font-size:13px;color:var(--brand);font-weight:600}
.band{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border-radius:var(--r2);overflow:hidden;border:1px solid var(--line)}
.band div{background:var(--card);padding:26px;text-align:center}
.band b{display:block;font-size:30px;line-height:1.2}
.band span{font-size:14px;color:var(--muted)}
.node-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:start}
.node-list{display:grid;gap:12px}
.node-row{display:grid;grid-template-columns:1.2fr 88px 1fr 74px;gap:12px;align-items:center;background:var(--card);border:1px solid var(--line2);border-radius:var(--r);padding:14px 18px;font-size:14.5px}
.node-row b{font-size:15px}
.node-row em{font-style:normal;color:var(--muted);font-size:13px}
.bar-line{height:7px;border-radius:4px;background:var(--bg2);overflow:hidden}
.bar-line i{display:block;height:100%;border-radius:4px;background:linear-gradient(90deg,var(--brand),var(--brand2))}
.tag{display:inline-block;font-size:12px;padding:3px 9px;border-radius:20px;background:rgba(15,179,122,.1);color:var(--brand);font-weight:600}
.speed-table{width:100%;border-collapse:collapse;font-size:14.5px;background:var(--card);border-radius:var(--r2);overflow:hidden;box-shadow:var(--sh)}
.speed-table th,.speed-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line2)}
.speed-table th{background:var(--bg2);font-size:13px;color:var(--muted);font-weight:600}
.speed-table tr:last-child td{border-bottom:0}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:s}
.step{background:var(--card);border:1px solid var(--line2);border-radius:var(--r2);padding:28px;box-shadow:var(--sh);position:relative}
.step::before{counter-increment:s;content:"0" counter(s);position:absolute;top:18px;right:22px;font-size:40px;font-weight:800;color:rgba(15,179,122,.14);line-height:1}
.step h3{font-size:19px}
.step p{color:var(--muted);font-size:15px;margin:0}
.price{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.plan{background:var(--card);border:1px solid var(--line);border-radius:var(--r2);padding:30px 26px;display:flex;flex-direction:column;box-shadow:var(--sh)}
.plan .amt{font-size:40px;font-weight:800;letter-spacing:-.02em;line-height:1.1;margin:6px 0 4px}
.plan .amt small{font-size:15px;font-weight:600;color:var(--muted)}
.plan .note{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.plan ul{list-style:none;padding:0;margin:0 0 22px;font-size:14.5px}
.plan li{display:flex;gap:8px;color:var(--muted);margin-bottom:10px}
.plan li::before{content:"✓";color:var(--brand);font-weight:700}
.plan .btn{margin-top:auto}
.plan.featured{border-color:var(--brand);box-shadow:0 20px 46px rgba(15,179,122,.18);position:relative}
.plan.featured::before{content:"最受欢迎";position:absolute;top:-13px;left:26px;background:linear-gradient(120deg,var(--brand),var(--brand2));color:#fff;font-size:12px;font-weight:700;padding:4px 12px;border-radius:20px}
.faq{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;align-items:start}
.faq details{background:var(--card);border:1px solid var(--line2);border-radius:var(--r);padding:0 20px;box-shadow:var(--sh)}
.faq summary{list-style:none;cursor:pointer;padding:18px 34px 18px 0;font-weight:600;font-size:16px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:16px;font-size:20px;color:var(--brand);transition:transform .2s}
.faq details[open] summary::after{content:"−"}
.faq .ans{padding:0 0 18px;color:var(--muted);font-size:15px}
.faq .ans p{margin:0}
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review{background:var(--card);border:1px solid var(--line2);border-radius:var(--r2);padding:24px;box-shadow:var(--sh)}
.review p{font-size:15px;color:var(--text);margin-bottom:18px}
.review .who{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted)}
.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(120deg,var(--brand),var(--brand2));color:#fff;font-weight:700;font-size:15px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.news-card{background:var(--card);border:1px solid var(--line2);border-radius:var(--r2);overflow:hidden;box-shadow:var(--sh);transition:transform .22s,box-shadow .22s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--sh2)}
.news-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.news-card .meta{font-size:12.5px;color:var(--muted);margin-bottom:8px;display:flex;gap:10px;flex-wrap:wrap}
.news-card h3{font-size:18px;margin-bottom:8px}
.news-card h3 a{color:var(--text)}
.news-card h3 a:hover{color:var(--brand)}
.news-card p{font-size:14.5px;color:var(--muted);margin:0 0 14px}
.news-card .more{margin-top:auto;font-size:14px;font-weight:600}
.cta{background:linear-gradient(120deg,rgba(15,179,122,.95),rgba(56,224,165,.9));border-radius:var(--r2);padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;color:#fff;box-shadow:0 24px 54px rgba(15,179,122,.22)}
.cta h2{color:#fff;margin-bottom:10px}
.cta p{color:rgba(255,255,255,.9);margin:0;font-size:16px}
.cta .btn-ghost{background:#fff;border-color:#fff;color:var(--brand)}
.cta .btn-ghost:hover{color:var(--brand)}
.site-foot{background:var(--bg2);border-top:1px solid var(--line);padding:64px 0 26px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;margin-bottom:40px}
.foot-brand p{color:var(--muted);font-size:14.5px;margin:14px 0 0;max-width:320px}
.foot-brand .brand{font-size:19px;margin-bottom:6px}
.foot-col h4{font-size:15px;margin-bottom:14px;color:var(--text)}
.foot-col a{display:block;font-size:15px;color:var(--muted);line-height:2.1}
.foot-col a:hover{color:var(--brand)}
.foot-bottom{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px;color:var(--muted)}
.foot-bottom .links a{display:inline-block;margin-left:18px;color:var(--muted);font-size:14px}
.to-top{position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:50%;background:var(--card);border:1px solid var(--line);color:var(--brand);display:grid;place-items:center;font-size:18px;box-shadow:var(--sh);opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;z-index:50}
.to-top.on{opacity:1;pointer-events:auto}
.to-top:hover{transform:translateY(-3px)}
.crumbs{font-size:13.5px;color:var(--muted);padding:0 0 18px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs span{margin:0 6px;opacity:.6}
.article-head{padding:132px 0 40px;background:linear-gradient(180deg,var(--bg2),var(--bg))}
.article-head h1{font-size:clamp(28px,3.6vw,42px);max-width:900px;margin-bottom:18px}
.post-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:14px;color:var(--muted);align-items:center}
.post-meta .tag{font-size:12px}
.post-cover{max-width:1000px;margin:0 auto;border-radius:var(--r2);overflow:hidden;box-shadow:var(--sh2)}
.post-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:44px;align-items:start;padding:56px 0 88px}
.prose{font-size:16.5px;line-height:1.85}
.prose h2{font-size:26px;margin:38px 0 16px;scroll-margin-top:104px}
.prose h3{font-size:20px;margin:26px 0 12px}
.prose p{color:#22302a}
.prose figure{margin:26px 0}
.prose figure img{border-radius:var(--r2);box-shadow:var(--sh)}
.prose figcaption{font-size:13px;color:var(--muted);margin-top:8px;text-align:center}
.prose blockquote{margin:24px 0;padding:16px 22px;border-left:3px solid var(--brand);background:var(--bg2);border-radius:0 var(--r) var(--r) 0;color:var(--text)}
.prose blockquote p:last-child{margin:0}
.prose .by{font-size:14px;color:var(--muted);margin:0 0 6px}
.data-table{width:100%;border-collapse:collapse;font-size:14.5px;margin:22px 0;background:var(--card);box-shadow:var(--sh);border-radius:var(--r)}
.data-table th,.data-table td{padding:11px 13px;border-bottom:1px solid var(--line2);text-align:left}
.data-table th{background:var(--bg2);font-size:13px;color:var(--muted)}
.data-table tr:last-child td{border-bottom:0}
.post-nav{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:40px 0 0}
.post-nav a{background:var(--card);border:1px solid var(--line2);border-radius:var(--r);padding:16px 18px;color:var(--text);box-shadow:var(--sh)}
.post-nav a span{display:block;font-size:12.5px;color:var(--muted);margin-bottom:4px}
.post-nav a:hover{border-color:var(--brand);color:var(--brand)}
.related{margin-top:44px}
.related h2{font-size:22px}
.related ul{list-style:none;padding:0;display:grid;gap:10px}
.related li a{font-size:15.5px}
.sidebar{position:sticky;top:104px;display:grid;gap:18px}
.side-card{background:var(--card);border:1px solid var(--line2);border-radius:var(--r2);padding:20px;box-shadow:var(--sh)}
.side-card h3{font-size:15px;margin-bottom:14px;padding-left:11px;position:relative}
.side-card h3::before{content:"";position:absolute;left:0;top:3px;bottom:3px;width:3px;border-radius:2px;background:linear-gradient(180deg,var(--brand),var(--brand2))}
.toc{position:relative;padding-left:16px}
.toc::before{content:"";position:absolute;left:3px;top:6px;bottom:6px;width:1px;background:var(--line)}
.toc a{display:block;position:relative;font-size:14px;color:var(--muted);padding:6px 0;line-height:1.5}
.toc a::before{content:"";position:absolute;left:-16px;top:13px;width:7px;height:7px;border-radius:50%;background:var(--bg2);border:1px solid var(--line)}
.toc a.active{color:var(--brand);font-weight:700}
.toc a.active::before{background:var(--brand);border-color:var(--brand)}
.hot{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.hot a{display:flex;gap:10px;font-size:14px;color:var(--text);line-height:1.5}
.hot i{flex:0 0 22px;height:22px;border-radius:6px;display:grid;place-items:center;font-style:normal;font-size:12px;font-weight:700;background:var(--bg2);color:var(--muted);transition:transform .18s}
.hot li:nth-child(1) i{background:linear-gradient(120deg,var(--brand),var(--brand2));color:#fff}
.hot li:nth-child(2) i{background:linear-gradient(120deg,var(--accent),#fbbf24);color:#fff}
.hot li:nth-child(3) i{background:linear-gradient(120deg,#d9a441,#f2cf83);color:#fff}
.hot a:hover{color:var(--brand)}
.hot a:hover i{transform:scale(1.12)}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags a{font-size:12.5px;padding:5px 11px;border-radius:20px;border:1px solid var(--line);color:var(--muted);background:var(--bg)}
.tags a:hover{color:var(--brand);border-color:var(--brand);background:rgba(15,179,122,.08)}
.comments{margin-top:48px;border-top:1px solid var(--line);padding-top:32px}
.comments h2{font-size:22px;margin-bottom:22px}
.comment{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line2)}
.comment .who{font-size:14.5px;font-weight:600}
.comment .date{font-size:12.5px;color:var(--muted);margin-left:8px;font-weight:400}
.comment p{font-size:15px;color:var(--muted);margin:6px 0 0}
.dl-hero{padding:150px 0 70px}
.dl-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.dl-meta{display:flex;gap:26px;flex-wrap:wrap;margin-top:26px;font-size:14px;color:var(--muted)}
.dl-meta b{color:var(--text);display:block;font-size:17px}
.plat{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.plat-card{background:var(--card);border:1px solid var(--line2);border-radius:var(--r2);padding:24px;box-shadow:var(--sh)}
.plat-card h3{font-size:18px;display:flex;gap:9px;align-items:center;margin-bottom:6px}
.plat-card .ver{font-size:13px;color:var(--muted);margin-bottom:14px}
.plat-card ul{list-style:none;padding:0;font-size:14px;color:var(--muted);margin:0 0 18px}
.plat-card li{margin-bottom:6px}
.page-head{padding:140px 0 48px;background:linear-gradient(180deg,var(--bg2),var(--bg))}
.page-head h1{margin-bottom:14px}
.page-head .lead{max-width:760px}
.prose-page{padding:56px 0 88px;max-width:860px}
.prose-page h2{font-size:25px;margin-top:36px}
.prose-page p,.prose-page li{color:#22302a;font-size:16px}
.map-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.map-card{background:var(--card);border:1px solid var(--line2);border-radius:var(--r2);padding:24px;box-shadow:var(--sh)}
.map-card h2{font-size:19px;margin-bottom:12px}
.map-card ul{list-style:none;padding:0;margin:0}
.map-card li a{display:block;font-size:15px;color:var(--muted);line-height:2.05}
.map-card li a:hover{color:var(--brand)}
.err{min-height:78vh;display:grid;place-items:center;text-align:center;padding:140px 0 80px}
.err .code{font-size:96px;font-weight:800;line-height:1;background:linear-gradient(120deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
.err p{color:var(--muted);max-width:520px;margin:14px 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}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}html.js .reveal{opacity:1;transform:none;transition:none}.btn,.card,.news-card{transition:none}}
@media (max-width:992px){
.bar{gap:14px;padding:0 18px;height:76px}
.nav{gap:18px}
.nav a{font-size:14px}
.hero{padding:126px 0 60px}
.hero-grid,.dl-grid,.node-wrap,.article-layout{grid-template-columns:1fr;gap:36px}
.hero-desc{max-width:none}
.grid-4{grid-template-columns:repeat(2,1fr)}
.grid-3,.news-grid,.reviews,.steps,.price,.plat{grid-template-columns:repeat(2,1fr)}
.faq{grid-template-columns:1fr}
.sidebar{position:static}
.sec{padding:66px 0}
.cta{flex-direction:column;align-items:flex-start;padding:40px 28px}
.foot-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
.sec{padding:56px 0}
.hero{padding:118px 0 48px}
.bar{height:70px;padding:0 16px;gap:10px}
.brand{font-size:17px}
.brand img{width:30px;height:30px}
.nav{gap:12px}
.nav a{font-size:13px;padding:6px 0}
.head-cta .btn{height:40px;padding:0 14px;font-size:14px}
h1{font-size:30px}
.hero-sub{font-size:18px}
.hero-desc{font-size:16px}
.grid-4,.grid-3,.news-grid,.reviews,.steps,.price,.plat,.map-grid,.grid-2,.band{grid-template-columns:1fr}
.band{grid-template-columns:1fr}
.band div+div{border-top:1px solid var(--line)}
.demo-body{grid-template-columns:1fr;justify-items:center;text-align:center}
.demo-meta{text-align:center;justify-items:center}
.nodes{width:100%;max-width:340px}
.sw-row{justify-content:center}
.hero-stats{gap:12px}
.stat b{font-size:26px}
.node-row{grid-template-columns:1fr 1fr;gap:8px;font-size:14px}
.node-row .bar-cell{grid-column:1/-1}
.article-layout{padding:36px 0 64px}
.article-head{padding:112px 0 32px}
.post-nav{grid-template-columns:1fr}
.cta h2{font-size:24px}
.foot-grid{grid-template-columns:1fr 1fr;gap:26px}
.map-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
.head-cta{display:none}
.bar{height:66px;padding:0 12px;gap:8px}
.brand{font-size:15px;gap:7px}
.brand img{width:26px;height:26px}
.brand em{display:none}
.nav{gap:8px;margin-left:auto}
.nav a{font-size:12.5px;padding:6px 1px}
.hero{padding:104px 0 42px}
.hero-actions .btn{width:100%}
.hero-stats{grid-template-columns:1fr;gap:10px;padding-top:18px}
.stat{display:flex;align-items:baseline;gap:8px}
.stat b{font-size:22px}
.stat span{margin:0}
.demo-body{padding:20px 16px}
.gauge{width:150px;height:150px}
.sec-head{margin-bottom:32px}
.card{padding:22px}
.prose{font-size:16px}
.cta{padding:32px 22px}
.foot-grid{grid-template-columns:1fr}
}
@media (max-width:380px){
.brand span{display:none}
.nav{gap:6px}
.nav a{font-size:12.5px;padding:6px 0}
}