*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#f4faf7;--bg2:#e8f4ee;--card:#ffffff;--text:#16211c;--muted:#5f746a;--brand:#0fb37a;--brand2:#38e0a5;--accent:#f59e0b;--line:rgba(15,179,122,.18);--ink:rgba(22,33,28,.06);--shadow:0 14px 34px rgba(15,80,58,.10);--shadow-sm:0 6px 18px rgba(15,80,58,.08);--r:18px;--max:1200px}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);font-size:16px;line-height:1.75;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
ul,ol{list-style:none}
button,input{font:inherit}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
section{padding:88px 0}
section.alt{background:var(--bg2)}
h1,h2,h3,h4{line-height:1.28;letter-spacing:-.01em}
h1{font-size:clamp(34px,4.6vw,56px);font-weight:800}
h2{font-size:clamp(28px,3.2vw,38px);font-weight:800}
h3{font-size:20px;font-weight:700}
p{color:var(--muted)}
.lead{font-size:18px;color:var(--muted)}
.sec-head{max-width:760px;margin:0 auto 48px;text-align:center}
.sec-head p{margin-top:14px;font-size:17px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--brand);background:rgba(15,179,122,.10);border:1px solid var(--line);padding:6px 14px;border-radius:999px;margin-bottom:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 26px;border-radius:12px;font-weight:700;font-size:16px;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#0a2a1d;box-shadow:0 10px 24px rgba(15,179,122,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(15,179,122,.34)}
.btn-ghost{background:var(--card);color:var(--text);border-color:var(--line);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--brand)}
.btn-sm{min-height:44px;padding:0 20px;font-size:15px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;z-index:99;background:var(--card);padding:10px 16px;border-radius:10px}
header.site{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(244,250,247,.78);backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid transparent;transition:background .25s ease,box-shadow .25s ease,border-color .25s ease}
header.site.scrolled{background:rgba(244,250,247,.94);box-shadow:0 8px 24px rgba(15,80,58,.10);border-bottom-color:var(--line)}
.nav{height:84px;display:flex;align-items:center;gap:18px;max-width:var(--max);margin:0 auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text)}
.brand img{width:36px;height:36px;border-radius:9px}
.brand b{font-size:20px;font-weight:800;white-space:nowrap}
.brand small{display:block;font-size:11px;color:var(--muted);letter-spacing:.08em;font-weight:600}
.nav-links{display:flex;align-items:center;justify-content:center;gap:6px;flex:1 1 auto;min-width:0}
.nav-links a{position:relative;display:inline-flex;align-items:center;height:36px;padding:0 12px;font-size:16px;font-weight:600;color:var(--text);white-space:nowrap}
.nav-links a::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--brand2));transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.nav-links a:hover::after,.nav-links a[aria-current="page"]::after{transform:scaleX(1)}
.nav-links a[aria-current="page"]{color:#0a7d58}
.nav-cta{flex:0 0 auto}
.hero{position:relative;padding:150px 0 84px;overflow:hidden;background:radial-gradient(900px 420px at 82% 8%,rgba(56,224,165,.22),transparent 62%),radial-gradient(760px 380px at 8% 22%,rgba(15,179,122,.12),transparent 60%),var(--bg)}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:56px;align-items:center}
.hero h1{margin:14px 0 18px}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,var(--brand),#12a97c 55%,var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .slogan{font-size:clamp(19px,2vw,23px);font-weight:700;color:var(--text);margin-bottom:10px}
.hero .lead{max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 26px}
.hero-facts{display:flex;flex-wrap:wrap;gap:32px}
.hero-facts div b{display:block;font-size:26px;font-weight:800;color:var(--text)}
.hero-facts div span{font-size:14px;color:var(--muted)}
.demo{position:relative;background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:20px;max-width:460px;margin-left:auto;overflow:hidden}
.demo::after{content:"";position:absolute;inset:auto -30% -60% auto;width:60%;height:60%;background:radial-gradient(circle,rgba(56,224,165,.28),transparent 70%);z-index:0}
.demo-bar{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:10px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.demo-bar .dot{width:10px;height:10px;border-radius:50%;display:inline-block;background:var(--brand);box-shadow:0 0 0 4px rgba(15,179,122,.16)}
.demo-bar span.t{font-size:13px;color:var(--muted);font-weight:600}
.demo-bar b{font-size:14px}
.sr{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.nodes{position:relative;z-index:1;display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:14px 0 6px}
.nodes label{display:flex;flex-direction:column;gap:2px;align-items:center;padding:8px 4px;border-radius:10px;border:1px solid var(--line);font-size:12.5px;font-weight:700;color:var(--muted);cursor:pointer;background:var(--bg);transition:.2s}
.nodes label small{font-size:11px;font-weight:600;color:var(--muted)}
#n1:checked~.nodes label[for="n1"],#n2:checked~.nodes label[for="n2"],#n3:checked~.nodes label[for="n3"]{background:rgba(15,179,122,.12);border-color:var(--brand);color:#0a7d58}
.readouts{position:relative;z-index:1;margin-top:6px}
.readout{display:none;grid-template-columns:repeat(3,1fr);gap:8px;text-align:center;padding:10px 0 2px}
.readout b{display:block;font-size:22px;font-weight:800;color:var(--text)}
.readout span{font-size:12px;color:var(--muted)}
#n1:checked~.readouts .r1,#n2:checked~.readouts .r2,#n3:checked~.readouts .r3{display:grid}
.gauge{position:relative;z-index:1;display:flex;align-items:center;justify-content:center;padding:10px 0 0}
.gauge svg{width:250px;height:140px;overflow:visible}
.gauge .arc{fill:none;stroke:var(--bg2);stroke-width:14;stroke-linecap:round}
.gauge .arc-on{fill:none;stroke:url(#gaugeGrad);stroke-width:14;stroke-linecap:round;stroke-dasharray:345.6;stroke-dashoffset:255;transition:stroke-dashoffset 1s ease}
.needle{transform-origin:125px 125px;transform:rotate(-46deg);transition:transform 1s cubic-bezier(.2,.8,.2,1)}
.needle line{stroke:var(--text);stroke-width:4;stroke-linecap:round}
.needle circle{fill:var(--brand)}
.gauge text{font-size:12px;fill:var(--muted)}
.linkrow{position:relative;z-index:1;display:flex;align-items:center;gap:12px;margin-top:4px}
.linkbtn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;flex:1;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#0a2a1d;font-weight:800;cursor:pointer;box-shadow:0 10px 22px rgba(15,179,122,.26);transition:.2s;position:relative;z-index:2}
.linkbtn .on{display:none}
#linkToggle:checked~.linkrow .linkbtn .off{display:none}
#linkToggle:checked~.linkrow .linkbtn .on{display:inline}
#linkToggle:checked~.linkrow .linkbtn{background:var(--card);color:#0a7d58;border:1px solid var(--brand);box-shadow:var(--shadow-sm)}
#linkToggle:checked~.gauge .needle{transform:rotate(38deg)}
#linkToggle:checked~.gauge .arc-on{stroke-dashoffset:55}
#linkToggle:checked~.demo-bar .dot{background:var(--accent);box-shadow:0 0 0 4px rgba(245,158,11,.2)}
.status{font-size:13px;color:var(--muted);font-weight:600;white-space:nowrap}
.status .on{display:none}
#linkToggle:checked~.linkrow .status .off{display:none}
#linkToggle:checked~.linkrow .status .on{display:inline;color:#0a7d58}
.switches{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.sw{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:13px;font-weight:600;color:var(--muted);cursor:pointer}
.sw input{position:absolute;opacity:0;width:1px;height:1px}
.sw i{width:38px;height:22px;border-radius:999px;background:rgba(95,116,106,.28);position:relative;transition:.2s;flex:0 0 auto}
.sw i::after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#fff;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.sw input:checked+i{background:var(--brand)}
.sw input:checked+i::after{left:19px}
.sw input:focus-visible+i{outline:2px solid var(--brand);outline-offset:2px}
.band{background:var(--text);color:#e9f6ef;padding:40px 0}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.band b{display:block;font-size:clamp(26px,3vw,34px);font-weight:800;color:#fff;letter-spacing:-.02em}
.band span{font-size:14px;color:#b9d3c7}
.grid{display:grid;gap:22px}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(15,179,122,.34)}
.card .ico{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;background:rgba(15,179,122,.12);margin-bottom:16px}
.card h3{margin-bottom:8px}
.card p{font-size:15px}
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center}
.split img{border-radius:20px;box-shadow:var(--shadow);border:1px solid var(--line);width:100%}
.split h2{margin-bottom:16px}
.ticks{margin:20px 0 26px;display:grid;gap:12px}
.ticks li{position:relative;padding-left:30px;color:var(--text);font-size:15.5px}
.ticks li::before{content:"";position:absolute;left:0;top:8px;width:18px;height:18px;border-radius:50%;background:rgba(15,179,122,.16)}
.ticks li::after{content:"";position:absolute;left:5px;top:13px;width:8px;height:5px;border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(-45deg)}
.node-table{width:100%;border-collapse:collapse;font-size:15px;margin-top:18px;background:var(--card);border-radius:14px;overflow:hidden;box-shadow:var(--shadow-sm)}
.node-table th,.node-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
.node-table th{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);background:var(--bg2)}
.node-table td b{font-weight:700}
.node-table tr:last-child td{border-bottom:0}
.node-table .pill{display:inline-block;font-size:12px;font-weight:700;padding:2px 9px;border-radius:999px;background:rgba(15,179,122,.12);color:#0a7d58}
.speed-bars{display:grid;gap:14px;margin-top:8px}
.speed-bars div{display:grid;grid-template-columns:110px 1fr 74px;gap:12px;align-items:center;font-size:14px;color:var(--muted)}
.speed-bars i{display:block;height:10px;border-radius:999px;background:var(--bg2);overflow:hidden}
.speed-bars i b{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand2))}
.speed-bars span{font-weight:700;color:var(--text);text-align:right}
.steps{counter-reset:step}
.steps .card{position:relative;padding-top:32px}
.steps .num{position:absolute;top:-18px;left:26px;width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-weight:800;color:#0a2a1d;background:linear-gradient(135deg,var(--brand),var(--brand2));box-shadow:0 8px 18px rgba(15,179,122,.28)}
.price .card{display:flex;flex-direction:column;gap:16px}
.price .card.pop{border:2px solid var(--brand);box-shadow:0 22px 44px rgba(15,179,122,.18);position:relative}
.price .tag{position:absolute;top:-14px;left:26px;background:var(--accent);color:#3a2400;font-size:12.5px;font-weight:800;padding:4px 12px;border-radius:999px}
.price .amount{font-size:38px;font-weight:800;color:var(--text);line-height:1.1}
.price .amount small{font-size:14px;font-weight:600;color:var(--muted)}
.price ul{display:grid;gap:10px;margin:4px 0 8px}
.price li{font-size:15px;color:var(--muted);padding-left:24px;position:relative}
.price li::before{content:"✓";position:absolute;left:0;top:0;color:var(--brand);font-weight:800}
.price .btn{margin-top:auto;width:100%}
.faq{max-width:880px;margin:0 auto;display:grid;gap:12px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-sm);overflow:hidden}
.faq summary{cursor:pointer;list-style:none;padding:20px 54px 20px 22px;font-weight:700;font-size:16.5px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:22px;top:16px;font-size:22px;font-weight:600;color:var(--brand);transition:transform .2s}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 22px 20px;font-size:15.5px}
.reviews .card p{font-size:15px;color:var(--text)}
.reviews .who{display:flex;align-items:center;gap:12px;margin-top:18px}
.reviews .av{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;color:#0a2a1d;background:linear-gradient(135deg,var(--brand2),var(--brand))}
.reviews .who b{display:block;font-size:15px}
.reviews .who span{font-size:13px;color:var(--muted)}
.stars{color:var(--accent);letter-spacing:2px;font-size:15px;margin-bottom:10px}
.news-grid .card{padding:0;overflow:hidden;display:flex;flex-direction:column}
.news-grid .card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-grid .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-grid .meta{font-size:13px;color:var(--muted);display:flex;gap:12px;align-items:center}
.news-grid h3{font-size:18px}
.news-grid h3 a{color:var(--text)}
.news-grid h3 a:hover{color:var(--brand)}
.news-grid .body span.more{margin-top:auto;font-weight:700;font-size:14px;color:var(--brand)}
.cta{background:radial-gradient(700px 300px at 20% 10%,rgba(56,224,165,.35),transparent 65%),linear-gradient(135deg,#0a2a1d,#123a2b);color:#e9f6ef;border-radius:26px;padding:56px;display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center;box-shadow:0 22px 50px rgba(6,26,19,.24)}
.cta h2{color:#fff}
.cta p{color:#c3dbd1}
.cta .hero-actions{margin:0}
.cta .btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.28)}
.cta .btn-primary{box-shadow:none}
footer.site{background:#0a2a1d;color:#c3dbd1;padding:64px 0 0;margin-top:0}
.foot{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.foot .brand{color:#fff;margin-bottom:14px}
.foot .brand b{font-size:19px}
.foot p{color:#a9c6ba;font-size:15px;max-width:320px}
.foot h4{color:#fff;font-size:15px;letter-spacing:.04em;margin-bottom:14px}
.foot ul li a{display:block;padding:7px 0;color:#c3dbd1;font-size:15px;line-height:1.6}
.foot ul li a:hover{color:var(--brand2)}
.foot .badges{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.foot .badges span{font-size:12.5px;border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:4px 10px;color:#a9c6ba}
.foot-bar{margin-top:44px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;font-size:13.5px;color:#96b4a8}
.foot-bar nav{display:flex;flex-wrap:wrap;gap:18px}
.foot-bar nav a{color:#c3dbd1}
#toTop{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:var(--card);color:var(--brand);font-size:20px;box-shadow:var(--shadow);cursor:pointer;display:none;z-index:40}
#toTop.show{display:block}
.page-head{padding:150px 0 44px;background:radial-gradient(700px 320px at 78% 6%,rgba(56,224,165,.2),transparent 62%),var(--bg2)}
.page-head h1{margin-bottom:14px}
.page-head .lead{max-width:760px}
.crumb{display:flex;gap:10px;flex-wrap:wrap;font-size:13.5px;color:var(--muted);margin-bottom:16px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb span{color:var(--text);font-weight:600}
.dl-versions .card{display:flex;flex-direction:column;gap:8px}
.dl-versions .card .file{font-size:13.5px;color:var(--muted)}
.dl-versions .card ul{display:grid;gap:8px;margin:10px 0 16px}
.dl-versions .card li{font-size:14.5px;color:var(--muted);padding-left:22px;position:relative}
.dl-versions .card li::before{content:"✓";position:absolute;left:0;color:var(--brand);font-weight:800}
.dl-versions .card .btn{margin-top:auto;width:100%}
.specs{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:8px}
.specs div{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px;box-shadow:var(--shadow-sm)}
.specs b{display:block;font-size:13px;color:var(--muted);font-weight:600;margin-bottom:4px}
.specs span{font-weight:700;font-size:15.5px}
.news-list{display:grid;gap:20px}
.news-item{display:grid;grid-template-columns:280px 1fr;gap:26px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.news-item img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9}
.news-item .body{padding:24px 24px 24px 0;display:flex;flex-direction:column;gap:8px}
.news-item h2{font-size:22px}
.news-item h2 a{color:var(--text)}
.news-item h2 a:hover{color:var(--brand)}
.news-item .meta{font-size:13px;color:var(--muted)}
.news-item .tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto}
.news-item .tags span{font-size:12px;background:var(--bg2);color:#0a7d58;border-radius:999px;padding:3px 10px;font-weight:700}
.article{padding:132px 0 88px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start}
.article-head{max-width:820px}
.article-head h1{font-size:clamp(28px,3.4vw,40px);margin:10px 0 16px}
.article-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:14px;color:var(--muted);margin-bottom:24px}
.article-head img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:18px;box-shadow:var(--shadow);border:1px solid var(--line)}
.prose{max-width:820px;margin-top:34px}
.prose p{font-size:17px;line-height:1.9;color:#31423a;margin-bottom:22px}
.prose h2{font-size:26px;margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--brand);scroll-margin-top:110px}
.prose h3{margin:28px 0 12px}
.prose blockquote{margin:28px 0;padding:20px 24px;background:var(--bg2);border-left:4px solid var(--brand2);border-radius:0 12px 12px 0;color:var(--text);font-size:16.5px}
.prose blockquote cite{display:block;margin-top:8px;font-style:normal;font-size:14px;color:var(--muted)}
.prose figure{margin:28px 0}
.prose figure img{border-radius:16px;border:1px solid var(--line);width:100%}
.prose figcaption{font-size:13px;color:var(--muted);margin-top:8px;text-align:center}
.prose .data-table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.prose .data-table th,.prose .data-table td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left}
.prose .data-table th{background:var(--bg2);font-size:13.5px}
.prose .data-table tr:last-child td{border-bottom:0}
.prose ul.bullets{margin:0 0 24px;display:grid;gap:10px}
.prose ul.bullets li{position:relative;padding-left:26px;font-size:16.5px;color:#31423a}
.prose ul.bullets li::before{content:"";position:absolute;left:6px;top:11px;width:8px;height:8px;border-radius:50%;background:var(--brand)}
.article-foot{max-width:820px;margin-top:44px;padding-top:24px;border-top:1px solid var(--line)}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.pager a{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow-sm);transition:.2s}
.pager a:hover{border-color:var(--brand);transform:translateY(-2px)}
.pager small{display:block;font-size:12.5px;color:var(--muted);margin-bottom:4px}
.pager b{font-size:15px;color:var(--text);font-weight:700;line-height:1.5}
.pager .next{text-align:right}
.back-list{display:inline-flex;margin-top:18px;font-weight:700;font-size:14.5px}
.related{margin-top:40px}
.related h2{font-size:22px;margin-bottom:18px}
.related .grid{gap:16px}
.related .card{padding:18px}
.related .card h3{font-size:16px}
.related .card a{color:var(--text)}
.related .card a:hover{color:var(--brand)}
.comments{margin-top:40px}
.comments h2{font-size:22px;margin-bottom:16px}
.comment{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.comment .av{width:42px;height:42px;flex:0 0 auto;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;color:#0a2a1d;background:linear-gradient(135deg,var(--brand2),var(--brand))}
.comment b{font-size:15px}
.comment time{font-size:12.5px;color:var(--muted);margin-left:8px}
.comment p{font-size:15px;color:#31423a;margin-top:4px}
.side{position:sticky;top:106px;display:grid;gap:18px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow-sm)}
.side-card h3{font-size:16px;margin-bottom:14px;padding-left:10px;border-left:3px solid var(--brand);line-height:1.2}
.toc{position:relative;margin-left:4px}
.toc::before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:2px;background:var(--bg2)}
.toc a{display:block;position:relative;padding:7px 0 7px 22px;font-size:14px;color:var(--muted);line-height:1.55}
.toc a::before{content:"";position:absolute;left:1px;top:13px;width:8px;height:8px;border-radius:50%;background:var(--bg2);border:2px solid var(--card);transition:.2s}
.toc a.active,.toc a:hover{color:#0a7d58;font-weight:700}
.toc a.active::before{background:var(--brand);box-shadow:0 0 0 2px rgba(15,179,122,.18)}
.hot li{border-bottom:1px dashed var(--line)}
.hot li:last-child{border-bottom:0}
.hot a{display:flex;gap:10px;align-items:flex-start;padding:10px 0;font-size:14px;color:var(--text);line-height:1.5}
.hot .badge{flex:0 0 auto;width:22px;height:22px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:#fff;background:#9aa8a1;transition:transform .2s}
.hot li:nth-child(1) .badge{background:linear-gradient(135deg,var(--brand),#0a7d58)}
.hot li:nth-child(2) .badge{background:linear-gradient(135deg,var(--accent),#d97706)}
.hot li:nth-child(3) .badge{background:linear-gradient(135deg,#eab308,#b45309)}
.hot a:hover .badge{transform:scale(1.12)}
.hot a:hover{color:var(--brand)}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags a{font-size:12.5px;font-weight:700;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:4px 11px;transition:.2s;background:var(--bg)}
.tags a:hover{color:var(--brand);border-color:var(--brand);background:rgba(15,179,122,.08)}
.prose-page{padding:132px 0 88px}
.prose-page .wrap{max-width:900px}
.prose-page h1{margin-bottom:14px}
.prose-page h2{font-size:24px;margin:38px 0 14px;padding-left:12px;border-left:4px solid var(--brand)}
.prose-page h3{margin:24px 0 10px}
.prose-page p{margin-bottom:16px;font-size:16.5px;color:#31423a}
.prose-page ul{display:grid;gap:10px;margin:0 0 20px}
.prose-page ul li{position:relative;padding-left:24px;color:#31423a}
.prose-page ul li::before{content:"";position:absolute;left:5px;top:11px;width:7px;height:7px;border-radius:50%;background:var(--brand)}
.note{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:18px 20px;font-size:15px;color:var(--muted);margin:24px 0}
.sitemap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sitemap-grid .card h2{font-size:19px;margin-bottom:12px}
.sitemap-grid .card a{display:block;padding:7px 0;font-size:15px;color:var(--muted);border-bottom:1px dashed var(--line)}
.sitemap-grid .card a:last-child{border-bottom:0}
.sitemap-grid .card a:hover{color:var(--brand)}
.err{min-height:80vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:140px 0 80px;background:radial-gradient(600px 300px at 50% 10%,rgba(56,224,165,.22),transparent 65%),var(--bg)}
.err b{display:block;font-size:clamp(72px,16vw,140px);line-height:1;font-weight:900;background:linear-gradient(120deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
.err h1{font-size:clamp(24px,3vw,32px);margin:10px 0 12px}
.err p{margin-bottom:24px}
html.js .reveal{opacity:0;transform:translateY(18px)}
html.js .reveal.in{opacity:1;transform:none;transition:opacity .6s ease,transform .6s ease}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}html.js .reveal{opacity:1;transform:none}.demo *{transition:none!important}}
@media (max-width:992px){
.nav{height:76px;gap:10px;padding:0 16px}
.nav-links a{padding:0 8px;font-size:14.5px}
.brand img{width:32px;height:32px}
.brand b{font-size:18px}
.hero{padding:128px 0 64px}
.hero-grid{grid-template-columns:1fr;gap:40px}
.demo{margin:0 auto;max-width:520px}
.split{grid-template-columns:1fr;gap:32px}
.g4{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(2,1fr)}
.band-grid{grid-template-columns:repeat(2,1fr);gap:22px}
.cta{grid-template-columns:1fr;padding:40px}
.foot{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
.article-layout{grid-template-columns:1fr;gap:32px}
.side{position:static}
.sitemap-grid{grid-template-columns:repeat(2,1fr)}
.specs{grid-template-columns:repeat(2,1fr)}
.news-item{grid-template-columns:240px 1fr}
}
@media (max-width:768px){
section{padding:56px 0}
.nav{height:68px;padding:0 12px;gap:6px}
.brand small{display:none}
.brand b{font-size:16px}
.brand img{width:28px;height:28px}
.nav-links a{padding:0 7px;font-size:13.5px;height:34px}
.nav-cta .btn{min-height:38px;padding:0 12px;font-size:13px;border-radius:10px}
.hero{padding:114px 0 52px}
.hero-actions{gap:10px}
.btn{min-height:46px;padding:0 20px;font-size:15px}
.hero-facts{gap:22px}
.hero-facts div b{font-size:22px}
.sec-head{margin-bottom:32px}
.g4,.g3,.g2{grid-template-columns:1fr}
.band-grid{grid-template-columns:repeat(2,1fr)}
.split h2{font-size:26px}
.foot{grid-template-columns:1fr 1fr;gap:26px}
.news-item{grid-template-columns:1fr}
.news-item img{aspect-ratio:16/9}
.news-item .body{padding:20px}
.pager{grid-template-columns:1fr}
.pager .next{text-align:left}
.cta{padding:32px 24px;border-radius:20px}
.sitemap-grid{grid-template-columns:1fr}
.specs{grid-template-columns:1fr}
.price .card.pop{transform:none}
.speed-bars div{grid-template-columns:86px 1fr 62px;gap:8px;font-size:13px}
.node-table{font-size:13.5px}
.node-table th,.node-table td{padding:10px}
.prose-page{padding:112px 0 64px}
.article{padding:112px 0 64px}
}
@media (max-width:480px){
.nav{height:60px;padding:0 10px;gap:4px}
.brand{gap:6px}
.brand img{width:24px;height:24px;border-radius:6px}
.brand b{font-size:14px}
.nav-links a{padding:0 5px;font-size:13px}
.nav-cta{display:none}
.hero{padding:100px 0 44px}
.hero h1{font-size:32px}
.hero-facts{gap:16px}
.hero-facts div b{font-size:20px}
.gauge svg{width:220px;height:124px}
.readout b{font-size:19px}
.cta{padding:26px 20px}
.foot{grid-template-columns:1fr}
.foot-bar{flex-direction:column;align-items:flex-start}
.card{padding:20px}
}
@media (max-width:360px){
.nav{padding:0 8px;gap:2px}
.brand img{width:20px;height:20px}
.brand b{font-size:13px}
.nav-links a{padding:0 4px;font-size:12.5px}
.hero h1{font-size:28px}
}