:root{--brand:#6d4aff;--brand2:#9a7bff;--brand3:#4a2fd6;--accent:#22d3ee;--ink:#141428;--ink2:#3d3d57;--muted:#6b6b85;--line:#e6e6f0;--bg:#ffffff;--bg2:#f6f6fb;--bg3:#12122a;--ok:#16c58a;--warn:#f59e0b;--radius:16px;--radius-s:10px;--shadow:0 10px 30px rgba(20,20,60,.08);--shadow-h:0 18px 46px rgba(90,60,220,.20);--max:1200px}
*{margin:0;padding:0;box-sizing:border-box}
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;color:var(--ink);background:var(--bg);line-height:1.7;font-size:16px;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{line-height:1.25;font-weight:800;letter-spacing:-.01em}
h1{font-size:2.6rem}h2{font-size:2rem}h3{font-size:1.25rem}
p{color:var(--ink2)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px;width:100%}
.sec{padding:84px 0}
.sec-alt{background:var(--bg2)}
.sec-dark{background:linear-gradient(160deg,#12122a,#1c1240 60%,#241456);color:#fff}
.sec-dark p,.sec-dark .lead{color:#c9c6e6}
.sec-head{max-width:760px;margin:0 auto 48px;text-align:center}
.sec-head p{font-size:1.05rem;margin-top:12px}
.eyebrow{display:inline-block;font-size:.82rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);background:rgba(109,74,255,.10);border:1px solid rgba(109,74,255,.22);padding:5px 14px;border-radius:999px;margin-bottom:16px}
.sec-dark .eyebrow{color:#c4b6ff;background:rgba(154,123,255,.16);border-color:rgba(154,123,255,.34)}
.grad{background:linear-gradient(100deg,var(--brand) 0%,var(--brand2) 55%,var(--accent) 120%);-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-weight:700;font-size:15px;border:0;cursor:pointer;transition:.25s;line-height:1;white-space:nowrap;min-height:48px}
.btn-primary{background:linear-gradient(100deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 8px 22px rgba(109,74,255,.34)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(109,74,255,.46)}
.btn-ghost{background:transparent;color:var(--ink);border:2px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.sec-dark .btn-ghost{color:#fff;border-color:rgba(255,255,255,.34)}
.sec-dark .btn-ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.10)}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px}
.btn-block{width:100%}
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);border-bottom:1px solid rgba(230,230,240,.7);transition:.3s}
.nav.scrolled{background:rgba(14,14,34,.92);border-bottom-color:rgba(255,255,255,.08)}
.nav-inner{max-width:var(--max);margin:0 auto;padding:0 24px;height:70px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:1.2rem;letter-spacing:-.02em}
.logo img{width:34px;height:34px;border-radius:9px}
.nav.scrolled .logo{color:#fff}
.menu{display:flex;align-items:center;gap:4px}
.menu>li{position:relative}
.menu>li>a,.menu>li>span{display:block;padding:10px 15px;font-weight:600;font-size:15px;border-radius:10px;transition:.2s;cursor:pointer;color:var(--ink)}
.nav.scrolled .menu>li>a,.nav.scrolled .menu>li>span{color:#e8e6f7}
.menu>li>a:hover,.menu>li>span:hover{color:var(--brand);background:rgba(109,74,255,.09)}
.nav.scrolled .menu>li>a:hover,.nav.scrolled .menu>li>span:hover{color:#fff;background:rgba(255,255,255,.12)}
.has-drop>span::after{content:"▾";display:inline-block;margin-left:6px;transition:.3s;font-size:.8em}
.has-drop:hover>span::after{transform:rotate(180deg)}
.drop{position:absolute;top:calc(100% + 8px);left:0;min-width:230px;background:#fff;border-radius:14px;box-shadow:0 20px 48px rgba(20,20,60,.18);padding:10px;opacity:0;visibility:hidden;transform:translateY(-8px);transition:.24s;border:1px solid var(--line)}
.has-drop:hover .drop,.has-drop:focus-within .drop{opacity:1;visibility:visible;transform:translateY(0)}
.drop a{display:block;padding:10px 12px;border-radius:9px;font-size:14.5px;font-weight:600;color:var(--ink2);transition:.2s}
.drop a:hover{background:var(--bg2);color:var(--brand);transform:translateX(3px)}
.nav-cta{display:flex;align-items:center;gap:12px}
.burger{display:none;width:46px;height:46px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;position:relative}
.burger i{position:absolute;left:13px;right:13px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}
.burger i:nth-child(1){top:16px}.burger i:nth-child(2){top:22px}.burger i:nth-child(3){top:28px}
#navtoggle{display:none}
.hero{position:relative;padding:150px 0 90px;background:radial-gradient(1100px 600px at 78% 6%,rgba(109,74,255,.16),transparent 60%),radial-gradient(800px 500px at 5% 90%,rgba(34,211,238,.13),transparent 60%),linear-gradient(180deg,#faf9ff,#ffffff)}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hero h1{font-size:3.1rem;margin-bottom:20px}
.hero .lead{font-size:1.14rem;margin-bottom:30px;max-width:560px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:560px}
.hstat{padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
.hstat b{display:block;font-size:1.6rem;font-weight:900;background:linear-gradient(100deg,var(--brand),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.hstat span{font-size:.82rem;color:var(--muted);font-weight:600}
.demo{background:linear-gradient(165deg,#171736,#221252);border-radius:24px;padding:26px;box-shadow:0 30px 70px rgba(30,20,80,.34);color:#fff;position:relative;overflow:hidden}
.demo::before{content:"";position:absolute;inset:-40% 40% 55% -40%;background:radial-gradient(circle,rgba(154,123,255,.42),transparent 70%)}
.demo-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;position:relative}
.demo-brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:.95rem}
.dot{width:9px;height:9px;border-radius:50%;background:#8a8aa8;box-shadow:0 0 0 4px rgba(138,138,168,.2);transition:.3s}
.demo-state{font-size:.78rem;font-weight:700;color:#b9b6dd;letter-spacing:.06em}
.demo-state .st-on{display:none}
.gauge{position:relative;width:210px;height:210px;margin:6px auto 8px;display:grid;place-items:center}
.gauge svg{transform:rotate(135deg);width:210px;height:210px}
.gauge .track{fill:none;stroke:rgba(255,255,255,.14);stroke-width:12;stroke-linecap:round}
.gauge .val{fill:none;stroke:url(#gg);stroke-width:12;stroke-linecap:round;stroke-dasharray:230 360;transition:stroke-dasharray .9s cubic-bezier(.4,0,.2,1)}
.gauge-in{position:absolute;text-align:center}
.gauge-in b{display:block;font-size:2.5rem;font-weight:900;line-height:1}
.gauge-in span{font-size:.8rem;color:#b9b6dd;letter-spacing:.1em}
.demo-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:16px 0 18px;position:relative}
.metric{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:11px 12px;text-align:center}
.metric b{display:block;font-size:1.15rem;font-weight:900}
.metric span{font-size:.7rem;color:#b9b6dd}
.demo-nodes{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:16px;position:relative}
.node{position:relative}
.node input{position:absolute;opacity:0;width:0;height:0}
.node label{display:flex;align-items:center;justify-content:space-between;gap:6px;padding:10px 12px;border-radius:11px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);cursor:pointer;font-size:.83rem;font-weight:700;transition:.22s;min-height:44px}
.node label small{color:#a9a6cc;font-weight:600;font-size:.72rem}
.node input:checked+label{background:linear-gradient(100deg,rgba(109,74,255,.9),rgba(154,123,255,.75));border-color:transparent;box-shadow:0 8px 20px rgba(109,74,255,.4)}
.demo-toggle{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.demo-toggle:checked~.demo-top .st-off{display:none}
.demo-toggle:checked~.demo-top .st-on{display:inline}
.demo-conn{position:relative}
.demo-conn .conn-btn{display:flex;align-items:center;justify-content:center;gap:9px;width:100%;padding:14px;border-radius:13px;font-weight:800;font-size:15px;cursor:pointer;background:linear-gradient(100deg,var(--brand),var(--brand2));box-shadow:0 10px 26px rgba(109,74,255,.42);min-height:50px;transition:.25s}
.demo-conn .conn-btn .txt2{display:none}
.demo-toggle:checked~.demo-conn .conn-btn{background:linear-gradient(100deg,#12a874,#16c58a);box-shadow:0 10px 26px rgba(22,197,138,.4)}
.demo-toggle:checked~.demo-conn .txt1{display:none}
.demo-toggle:checked~.demo-conn .txt2{display:inline}
.conn-live{margin-top:14px;font-size:.82rem;color:#c9f7e6;text-align:center;font-weight:700}
.conn-live .on-txt{display:none}
.demo-toggle:checked~.demo-conn .off-txt{display:none}
.demo-toggle:checked~.demo-conn .on-txt{display:block}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;text-align:center}
.stat b{display:block;font-size:2.2rem;font-weight:900;background:linear-gradient(100deg,var(--brand),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:.9rem;color:var(--muted);font-weight:600}
.sec-dark .stat span{color:#c9c6e6}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.3s;box-shadow:0 2px 8px rgba(20,20,60,.04)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-h);border-color:rgba(109,74,255,.34)}
.ico{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:1.55rem;background:linear-gradient(150deg,rgba(109,74,255,.14),rgba(34,211,238,.14));margin-bottom:16px}
.card h3{margin-bottom:9px}
.card p{font-size:.94rem;color:var(--muted)}
.sec-dark .card{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12)}
.sec-dark .card p{color:#bfbce0}
.node-cards .card{display:flex;flex-direction:column;gap:6px}
.node-cards .flag{font-size:1.9rem}
.bar{height:8px;border-radius:99px;background:var(--bg2);overflow:hidden;margin-top:10px}
.bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--brand),var(--accent))}
.chip{display:inline-block;font-size:.76rem;font-weight:700;padding:3px 11px;border-radius:99px;background:rgba(109,74,255,.1);color:var(--brand);border:1px solid rgba(109,74,255,.2)}
.steps{counter-reset:s}
.step{position:relative;padding:30px 26px 26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:.3s}
.step::before{counter-increment:s;content:"0" counter(s);position:absolute;top:-16px;left:26px;font-size:1.6rem;font-weight:900;color:#fff;background:linear-gradient(100deg,var(--brand),var(--brand2));width:46px;height:46px;border-radius:13px;display:grid;place-items:center;box-shadow:0 8px 20px rgba(109,74,255,.4)}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow-h)}
.step h3{margin:14px 0 8px}
.price{position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;padding:32px 28px;display:flex;flex-direction:column;transition:.3s}
.price:hover{transform:translateY(-6px);box-shadow:var(--shadow-h)}
.price.pop{border:2px solid var(--brand);box-shadow:0 24px 60px rgba(109,74,255,.24);transform:scale(1.03)}
.price.pop:hover{transform:scale(1.03) translateY(-6px)}
.tag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:linear-gradient(100deg,var(--brand),var(--brand2));color:#fff;font-size:.76rem;font-weight:800;padding:6px 16px;border-radius:99px;white-space:nowrap;box-shadow:0 8px 18px rgba(109,74,255,.36)}
.price h3{font-size:1.1rem;margin-bottom:6px}
.amount{font-size:2.5rem;font-weight:900;margin:10px 0 2px}
.amount small{font-size:.9rem;font-weight:600;color:var(--muted)}
.price ul{margin:20px 0 24px;display:flex;flex-direction:column;gap:11px;flex:1}
.price li{font-size:.92rem;color:var(--ink2);padding-left:26px;position:relative}
.price li::before{content:"✓";position:absolute;left:0;top:0;color:var(--ok);font-weight:900}
.faq{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.3s}
.faq details[open]{border-color:rgba(109,74,255,.4);box-shadow:var(--shadow)}
.faq summary{padding:20px 24px;font-weight:700;font-size:1.02rem;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;list-style:none;min-height:56px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;font-weight:400;color:var(--brand);transition:.3s;line-height:1}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .ans{padding:0 24px 22px;color:var(--ink2);font-size:.95rem}
.faq .ans ol{margin-top:12px;display:flex;flex-direction:column;gap:9px}
.faq .ans li{padding-left:30px;position:relative;font-size:.92rem}
.faq .ans li::before{content:attr(data-n);position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;background:rgba(109,74,255,.13);color:var(--brand);font-size:.68rem;font-weight:800;display:grid;place-items:center}
.tsm{display:grid;gap:22px}
.tcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.3s}
.tcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-h)}
.stars{color:#f5b400;font-size:.95rem;letter-spacing:2px;margin-bottom:12px}
.tcard p{font-size:.94rem;color:var(--ink2);margin-bottom:18px}
.who{display:flex;align-items:center;gap:12px}
.av{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#fff;background:linear-gradient(140deg,var(--brand),var(--accent));font-size:1.05rem}
.who b{display:block;font-size:.92rem}
.who span{font-size:.78rem;color:var(--muted)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.ncard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s;display:flex;flex-direction:column}
.ncard:hover{transform:translateY(-6px);box-shadow:var(--shadow-h)}
.ncard .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg2)}
.ncard .thumb img{width:100%;height:100%;object-fit:cover;transition:.5s}
.ncard:hover .thumb img{transform:scale(1.06)}
.ncard .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.ncard .meta{font-size:.78rem;color:var(--muted);font-weight:600;display:flex;gap:12px;align-items:center}
.ncard h3{font-size:1.08rem;line-height:1.4}
.ncard h3 a:hover{color:var(--brand)}
.ncard p{font-size:.9rem;color:var(--muted);flex:1}
.more{font-weight:700;color:var(--brand);font-size:.9rem}
.more::after{content:"→";margin-left:6px;transition:.3s}
.ncard:hover .more::after{margin-left:10px}
.cta{background:linear-gradient(120deg,#211457,#3b1f8f 55%,#5a35c9);border-radius:26px;padding:56px 44px;text-align:center;color:#fff;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;inset:auto -10% -60% 40%;height:320px;background:radial-gradient(circle,rgba(34,211,238,.4),transparent 70%)}
.cta h2{font-size:2.1rem;margin-bottom:14px;position:relative}
.cta p{color:#d5cff5;max-width:620px;margin:0 auto 28px;position:relative}
.cta .hero-btns{justify-content:center;position:relative}
.footer{background:#0e0e22;color:#a9a6cc;padding:64px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;margin-bottom:44px}
.footer h4{color:#fff;font-size:.95rem;margin-bottom:18px}
.footer .logo{color:#fff;margin-bottom:16px}
.footer p{color:#8d8ab0;font-size:.9rem}
.foot-links{display:flex;flex-direction:column;gap:11px}
.foot-links a{font-size:.9rem;color:#a9a6cc;transition:.2s}
.foot-links a:hover{color:#fff;transform:translateX(3px)}
.foot-bot{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;font-size:.85rem}
.foot-bot a{color:#a9a6cc}
.foot-bot a:hover{color:#fff}
#top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:14px;background:linear-gradient(100deg,var(--brand),var(--brand2));color:#fff;display:grid;place-items:center;box-shadow:0 10px 26px rgba(109,74,255,.44);z-index:900;transition:.3s;border:0;cursor:pointer;opacity:0;visibility:hidden}
#top.on{opacity:1;visibility:visible}
#top:hover{transform:translateY(-4px)}
.crumb{font-size:.85rem;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.crumb a:hover{color:var(--brand)}
.crumb i{font-style:normal;color:#c3c3d6}
.page-hero{padding:136px 0 56px;background:radial-gradient(900px 460px at 80% 0%,rgba(109,74,255,.15),transparent 62%),linear-gradient(180deg,#faf9ff,#fff)}
.page-hero h1{font-size:2.6rem;margin-bottom:16px}
.page-hero .lead{font-size:1.08rem;max-width:720px}
.body-text{max-width:820px}
.body-text h2{font-size:1.5rem;margin:38px 0 14px}
.body-text h3{font-size:1.18rem;margin:26px 0 10px}
.body-text p{margin-bottom:16px}
.body-text ul{margin:0 0 18px;display:flex;flex-direction:column;gap:10px}
.body-text li{padding-left:26px;position:relative;color:var(--ink2)}
.body-text li::before{content:"▸";position:absolute;left:0;color:var(--brand);font-weight:900}
.tbl{width:100%;border-collapse:collapse;margin:16px 0 24px;font-size:.92rem}
.tbl th,.tbl td{text-align:left;padding:13px 15px;border:1px solid var(--line)}
.tbl th{background:var(--bg2);font-weight:700}
.tbl tr:hover td{background:#faf9ff}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 316px;gap:44px;align-items:start}
.article{max-width:100%}
.article h1{font-size:2.1rem;margin-bottom:16px}
.article .ameta{display:flex;gap:16px;flex-wrap:wrap;font-size:.85rem;color:var(--muted);margin-bottom:22px;padding-bottom:20px;border-bottom:1px solid var(--line);font-weight:600}
.article .cover{border-radius:18px;overflow:hidden;margin-bottom:26px;box-shadow:var(--shadow)}
.article .lead{font-size:1.08rem;color:var(--ink2);font-weight:600;margin-bottom:24px}
.article h2{font-size:1.5rem;margin:38px 0 14px;scroll-margin-top:90px}
.article p{margin-bottom:16px;font-size:1.02rem;line-height:1.85}
.article img.inline{border-radius:14px;margin:22px 0;box-shadow:var(--shadow)}
.article blockquote{border-left:4px solid var(--brand);background:var(--bg2);padding:18px 22px;border-radius:0 14px 14px 0;margin:22px 0;font-style:italic;color:var(--ink2)}
.article blockquote b{display:block;font-style:normal;color:var(--brand);font-size:.88rem;margin-top:10px}
.article ul{margin:0 0 18px;display:flex;flex-direction:column;gap:10px}
.article ul li{padding-left:26px;position:relative;color:var(--ink2)}
.article ul li::before{content:"▸";position:absolute;left:0;color:var(--brand);font-weight:900}
.pager{display:flex;justify-content:space-between;gap:16px;margin:40px 0;flex-wrap:wrap}
.pager a,.pager span{font-size:.9rem;font-weight:700;padding:12px 18px;border:1px solid var(--line);border-radius:12px;transition:.25s;color:var(--ink2)}
.pager a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.pager span{opacity:.5;cursor:not-allowed}
.relate{margin-top:36px}
.relate h3{font-size:1.2rem;margin-bottom:18px}
.relate-list{display:grid;gap:12px}
.relate-list a{display:flex;gap:14px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:12px;transition:.25s}
.relate-list a:hover{border-color:var(--brand);background:#faf9ff;transform:translateX(4px)}
.relate-list img{width:96px;height:54px;object-fit:cover;border-radius:8px;flex:none}
.relate-list b{font-size:.92rem;display:block;margin-bottom:4px}
.relate-list span{font-size:.78rem;color:var(--muted)}
.cmts{margin-top:44px}
.cmts h3{font-size:1.2rem;margin-bottom:22px}
.cmt{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.cmt .av{flex:none}
.cmt .cbody{flex:1}
.cmt .chead{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:7px}
.cmt .chead b{font-size:.94rem}
.cmt .chead time{font-size:.78rem;color:var(--muted)}
.cmt p{font-size:.93rem;color:var(--ink2);margin:0}
.side{position:sticky;top:92px;display:flex;flex-direction:column;gap:22px}
.scard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 4px 14px rgba(20,20,60,.05)}
.scard h4{font-size:1rem;padding-left:12px;position:relative;margin-bottom:18px}
.scard h4::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:18px;border-radius:2px;background:linear-gradient(180deg,var(--brand),var(--accent))}
.toc{position:relative;border-left:2px solid var(--line);margin-left:6px}
.toc a{display:block;position:relative;padding:8px 0 8px 20px;font-size:.88rem;color:var(--muted);font-weight:600;transition:.22s}
.toc a::before{content:"";position:absolute;left:-7px;top:50%;transform:translateY(-50%);width:10px;height:10px;border-radius:50%;background:#fff;border:2px solid var(--line);transition:.22s}
.toc a:hover{color:var(--brand)}
.toc a.on{color:var(--brand);font-weight:800}
.toc a.on::before{border-color:var(--brand);background:var(--brand)}
.hot{display:flex;flex-direction:column;gap:12px}
.hot a{display:flex;gap:12px;align-items:flex-start;font-size:.9rem;font-weight:600;color:var(--ink2);transition:.22s}
.hot a:hover{color:var(--brand)}
.hot .rk{flex:none;width:24px;height:24px;border-radius:8px;display:grid;place-items:center;font-size:.74rem;font-weight:800;color:#fff;background:#b7b7cc;transition:.22s}
.hot a:nth-child(1) .rk{background:linear-gradient(140deg,var(--brand),var(--brand2))}
.hot a:nth-child(2) .rk{background:linear-gradient(140deg,#f59e0b,#f97316)}
.hot a:nth-child(3) .rk{background:linear-gradient(140deg,#eab308,#facc15)}
.hot a:hover .rk{transform:scale(1.12)}
.tags{display:flex;flex-wrap:wrap;gap:9px}
.tagc{font-size:.8rem;font-weight:700;padding:6px 13px;border-radius:999px;border:1px solid var(--line);color:var(--ink2);transition:.22s}
.tagc:hover{color:var(--brand);border-color:var(--brand);background:rgba(109,74,255,.07)}
.sitemap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.smcol h3{font-size:1.1rem;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--line)}
.smcol ul{display:flex;flex-direction:column;gap:11px}
.smcol a{font-size:.92rem;color:var(--ink2);transition:.2s}
.smcol a:hover{color:var(--brand);padding-left:4px}
.e404{min-height:100vh;display:grid;place-items:center;text-align:center;padding:120px 24px 80px;background:radial-gradient(800px 500px at 50% 20%,rgba(109,74,255,.16),transparent 60%),linear-gradient(180deg,#faf9ff,#fff)}
.e404 .code{font-size:7rem;font-weight:900;line-height:1;background:linear-gradient(100deg,var(--brand),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.e404 h1{font-size:1.8rem;margin:12px 0 14px}
.e404 p{margin-bottom:26px}
.e404 .cd{font-weight:800;color:var(--brand)}
.reveal{transform:none;opacity:1}
html.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
html.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){html.js .reveal{opacity:1;transform:none;transition:none}}
@media(max-width:992px){
.hero-grid{grid-template-columns:1fr;gap:44px}
.hero h1{font-size:2.4rem}
.g4{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(2,1fr)}
.news-grid{grid-template-columns:repeat(2,1fr)}
.foot-grid{grid-template-columns:1fr 1fr;gap:28px}
.layout{grid-template-columns:1fr}
.side{position:static}
.sitemap-grid{grid-template-columns:repeat(2,1fr)}
.burger{display:block}
.menu{position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 16px 20px;gap:2px;box-shadow:0 24px 40px rgba(20,20,60,.16);max-height:0;overflow:hidden;transition:max-height .4s ease,padding .3s;border-bottom:1px solid var(--line)}
#navtoggle:checked~nav .menu{max-height:640px;overflow:auto}
.menu>li>a,.menu>li>span{color:var(--ink)}
.nav.scrolled .menu>li>a,.nav.scrolled .menu>li>span{color:var(--ink)}
.menu>li>a:hover,.menu>li>span:hover{background:var(--bg2)}
.nav.scrolled .menu>li>a:hover,.nav.scrolled .menu>li>span:hover{background:var(--bg2);color:var(--brand)}
.drop{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 4px 14px;max-height:0;overflow:hidden;transition:max-height .35s ease;min-width:0;background:transparent}
.has-drop.open .drop{max-height:420px;overflow:auto}
html:not(.js) .drop{max-height:none;overflow:visible}
.has-drop.open>span::after{transform:rotate(180deg)}
}
@media(max-width:768px){
.sec{padding:60px 0}
h1{font-size:2rem}h2{font-size:1.6rem}
.hero{padding:120px 0 64px}
.hero h1{font-size:2rem}
.hero .lead{font-size:1.02rem}
.g3,.g2,.g4{grid-template-columns:1fr}
.stats{grid-template-columns:repeat(2,1fr);gap:26px}
.news-grid{grid-template-columns:1fr}
.cta{padding:42px 24px}
.cta h2{font-size:1.7rem}
.foot-grid{grid-template-columns:1fr;gap:26px}
.sitemap-grid{grid-template-columns:1fr}
.price.pop{transform:none}
.price.pop:hover{transform:translateY(-6px)}
.article h1{font-size:1.6rem}
.page-hero h1{font-size:1.9rem}
.e404 .code{font-size:5rem}
.demo{padding:20px}
}
@media(max-width:480px){
.wrap{padding:0 16px}
.nav-inner{padding:0 16px}
.hero-stats{grid-template-columns:1fr;gap:12px}
.demo-nodes{grid-template-columns:1fr}
.demo-metrics{grid-template-columns:1fr}
.gauge,.gauge svg{width:180px;height:180px}
.gauge-in b{font-size:2rem}
.hero h1{font-size:1.75rem}
.hero-btns .btn{width:100%}
.cta .hero-btns .btn{width:100%}
.pager a,.pager span{width:100%;text-align:center}
.article h1{font-size:1.4rem}
.tbl{font-size:.84rem}
.tbl th,.tbl td{padding:9px 10px}
}