:root{--ink:#0b1a2b;--ink2:#33475f;--muted:#5d7089;--line:#e4ecf5;--soft:#f4f8fd;--brand:#2f6bff;--brand2:#12c8c0;--grad:linear-gradient(120deg,#2f6bff,#12c8c0);--dark:#081322;--dark2:#0e2036;--radius:18px;--shadow:0 8px 26px rgba(12,32,60,.08);--shadow-lg:0 22px 50px rgba(12,32,60,.16)}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:#fff;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}
a:hover{color:#0b47d4}
h1,h2,h3,h4{line-height:1.32;margin:0 0 14px;letter-spacing:-.3px}
p{margin:0 0 16px}
ul,ol{margin:0 0 16px;padding-left:20px}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 22px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 16px;z-index:99}
.skip:focus{left:8px;top:8px}
.hd{position:fixed;top:0;left:0;right:0;z-index:80;background:rgba(8,19,34,.74);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08);transition:background .3s,box-shadow .3s}
.hd.scrolled{background:rgba(8,19,34,.94);box-shadow:0 10px 30px rgba(0,0,0,.28)}
.hd-in{display:flex;align-items:center;gap:18px;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:#fff;letter-spacing:.5px;flex:0 0 auto}
.logo img{width:32px;height:32px;border-radius:8px}
.logo span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hd-in>nav{margin-left:auto;display:flex;align-items:center}
.nav{display:flex;align-items:center;gap:4px;margin:0}
.nav>li{position:relative;list-style:none}
.nav a,.nav label{display:flex;align-items:center;gap:6px;padding:9px 13px;color:#dbe7f6;font-size:15px;font-weight:500;line-height:1.2;border-radius:10px;cursor:pointer}
.nav a:hover,.nav label:hover,.nav .on{color:#fff;background:rgba(255,255,255,.09)}
.arr{display:inline-block;font-size:11px;transition:transform .28s}
.dd input,.nav-ck{position:absolute;opacity:0;width:0;height:0;pointer-events:none}
.dd-menu{position:absolute;top:calc(100% + 10px);left:0;min-width:216px;background:#fff;border-radius:14px;box-shadow:0 20px 46px rgba(8,25,50,.2);padding:10px;margin:0;list-style:none;opacity:0;visibility:hidden;transform:translateY(8px);transition:.22s;z-index:5}
.dd-menu a{color:var(--ink2);padding:9px 12px;border-radius:9px;font-size:14px;display:block}
.dd-menu a:hover{color:var(--brand);background:var(--soft)}
.dd:hover .dd-menu,.dd:focus-within .dd-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dd:hover .arr,.dd:focus-within .arr{transform:rotate(180deg)}
.dd input:checked~.dd-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dd input:checked~.dd-t .arr{transform:rotate(180deg)}
.hd-cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap;background:var(--grad);color:#fff!important;padding:11px 22px;border-radius:999px;font-weight:700;font-size:15px;box-shadow:0 10px 24px rgba(47,107,255,.34);flex:0 0 auto}
.hd-cta:hover{filter:brightness(1.07);color:#fff!important}
.burger{display:none;margin-left:auto;color:#fff;font-size:26px;line-height:1;padding:6px 8px;cursor:pointer;border-radius:8px}
.burger:hover{background:rgba(255,255,255,.1)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--grad);color:#fff!important;padding:13px 28px;border-radius:999px;font-weight:700;font-size:16px;border:0;cursor:pointer;box-shadow:0 12px 26px rgba(47,107,255,.32);transition:transform .25s,box-shadow .25s,filter .25s}
.btn:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(47,107,255,.4);color:#fff!important;filter:brightness(1.05)}
.btn.ghost{background:transparent;color:#fff!important;border:1.5px solid rgba(255,255,255,.5);box-shadow:none}
.btn.ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn.dark{background:var(--ink);box-shadow:0 12px 26px rgba(11,26,43,.28)}
.btn.sm{padding:10px 20px;font-size:14px}
.btn-line{display:inline-flex;align-items:center;gap:8px;border:1.5px solid var(--brand);color:var(--brand)!important;padding:12px 26px;border-radius:999px;font-weight:700}
.btn-line:hover{background:var(--brand);color:#fff!important}
.hero{position:relative;padding:150px 0 96px;background:radial-gradient(1100px 520px at 78% 8%,#153c74 0%,transparent 60%),radial-gradient(900px 500px at 10% 90%,#0b3f47 0%,transparent 62%),linear-gradient(160deg,#081322,#0d2137 70%,#0a1a2c);color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(circle at 50% 40%,#000,transparent 78%);pointer-events:none}
.hero-in{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.tag{display:inline-flex;align-items:center;gap:8px;background:rgba(18,200,192,.14);border:1px solid rgba(18,200,192,.4);color:#8ff3ec;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;margin-bottom:20px}
.hero h1{font-size:50px;margin-bottom:18px;color:#fff}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,#5b9bff,#33f0e2);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:18px;color:#c3d3e6;max-width:560px;margin-bottom:28px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:560px}
.hero-stats div{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:14px 16px}
.hero-stats b{display:block;font-size:24px;background:linear-gradient(100deg,#7fb0ff,#3ef0e4);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats span{font-size:13px;color:#a9bdd4}
.demo{background:linear-gradient(160deg,rgba(255,255,255,.1),rgba(255,255,255,.04));border:1px solid rgba(255,255,255,.14);border-radius:22px;padding:16px;box-shadow:0 30px 70px rgba(0,0,0,.4)}
.demo-win{background:#0a1828;border-radius:16px;overflow:hidden}
.demo-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.08);font-size:13px;color:#9fb6cf}
.demo-bar i{width:9px;height:9px;border-radius:50%;background:#ff5f57;display:inline-block}
.demo-bar i:nth-child(2){background:#febc2e}
.demo-bar i:nth-child(3){background:#28c840}
.demo-bar span{margin-left:8px;flex:1}
.demo-bar b{color:#12c8c0;font-weight:700}
.demo-body{padding:20px;position:relative}
.demo-body input{position:absolute;opacity:0;width:0;height:0}
.gauge{position:relative;width:200px;height:200px;margin:4px auto 10px}
.gauge svg{transform:rotate(-90deg);width:200px;height:200px}
.gauge .ring{fill:none;stroke:rgba(255,255,255,.1);stroke-width:12}
.gauge .bar{fill:none;stroke:url(#g1);stroke-width:12;stroke-linecap:round;stroke-dasharray:502;stroke-dashoffset:502;transition:stroke-dashoffset 1.1s ease}
.gauge .gt{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.gauge .gt b{font-size:15px;color:#8aa2bc;font-weight:600;letter-spacing:1px}
.gauge .gt em{font-style:normal;font-size:30px;font-weight:800;color:#fff;line-height:1.1;margin-top:2px}
.gauge .gt s{text-decoration:none;font-size:12px;color:#7d94ad}
.gauge .gt .s-on,.gauge .gt .v2,.gauge .gt .v3{display:none}
.demo #conn:checked~.gauge .gt .s-on{display:inline}
.demo #conn:checked~.gauge .gt .s-off{display:none}
.demo #n2:checked~.gauge .gt .v1,.demo #n3:checked~.gauge .gt .v1{display:none}
.demo #n2:checked~.gauge .gt .v2,.demo #n3:checked~.gauge .gt .v3{display:inline}
.gauge .gt em small{font-size:12px;font-weight:600;color:#8aa2bc;margin-left:2px}
.demo #conn:checked~.gauge .bar{stroke-dashoffset:92}
.demo #conn:checked~.gauge .gt b{color:#12c8c0}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:8px 0 14px}
.stat-row div{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:10px;padding:8px 10px;text-align:center}
.stat-row small{display:block;color:#8298b0;font-size:11px}
.stat-row strong{font-size:15px;color:#e6f0fb}
.stat-row .up{color:#12c8c0}
.nodes{display:flex;gap:8px;margin-bottom:14px}
.node{flex:1;text-align:center;border:1px solid rgba(255,255,255,.14);border-radius:10px;padding:8px 4px;font-size:12px;color:#b6c9dd;cursor:pointer;transition:.2s}
.node small{display:block;color:#7f95ad;font-size:10px}
.demo #n1:checked~.nodes .n1,.demo #n2:checked~.nodes .n2,.demo #n3:checked~.nodes .n3{background:rgba(47,107,255,.22);border-color:#4d86ff;color:#fff}
.demo-go{display:block;text-align:center;background:var(--grad);color:#fff!important;font-weight:700;padding:12px;border-radius:12px;cursor:pointer;user-select:none;transition:filter .2s}
.demo-go:hover{filter:brightness(1.08)}
.demo-go s{text-decoration:none}
.demo #conn:checked~.demo-go{background:#123a30;color:#4be3b0!important;box-shadow:inset 0 0 0 1px rgba(75,227,176,.4)}
.demo #conn:checked~.demo-go s{display:none}
.demo #conn:checked~.demo-go em{display:inline}
.demo-go em{display:none;font-style:normal}
.demo-note{text-align:center;font-size:11px;color:#7f95ad;margin:10px 0 0}
a:focus-visible,.burger:focus-visible,.dd-t:focus-visible{outline:2px solid #3ef0e4;outline-offset:3px;border-radius:8px}
#conn:focus-visible~.demo-go,#n1:focus-visible~.nodes .n1,#n2:focus-visible~.nodes .n2,#n3:focus-visible~.nodes .n3{outline:2px solid #3ef0e4;outline-offset:2px}
.sec{padding:84px 0}
section[id]{scroll-margin-top:84px}
.sec.soft{background:var(--soft)}
.sec.dark{background:linear-gradient(160deg,#0a1728,#0f2b42);color:#dfe9f5}
.sec.dark h2,.sec.dark h3{color:#fff}
.sec-head{max-width:760px;margin:0 auto 44px;text-align:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--brand);text-transform:uppercase;margin-bottom:10px}
.sec.dark .eyebrow{color:#3ef0e4}
.sec-head h2{font-size:34px;margin-bottom:12px}
.sec-head p{color:var(--muted);font-size:16px;margin:0}
.sec.dark .sec-head p{color:#a9bdd4}
.grid{display:grid;gap:24px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);transition:transform .28s,box-shadow .28s,border-color .28s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#cfe0f5}
.card h3{font-size:19px;margin-bottom:8px}
.card p{color:var(--muted);font-size:15px;margin:0}
.ico{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;background:linear-gradient(135deg,rgba(47,107,255,.12),rgba(18,200,192,.18));margin-bottom:16px}
.sec.dark .card{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12);box-shadow:none}
.sec.dark .card p{color:#a9bdd4}
.sec.dark .card:hover{border-color:rgba(62,240,228,.4);box-shadow:0 22px 50px rgba(0,0,0,.3)}
.nums{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.nums div{padding:26px 14px;border-radius:16px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1)}
.nums b{display:block;font-size:38px;font-weight:800;background:linear-gradient(100deg,#7fb0ff,#3ef0e4);-webkit-background-clip:text;background-clip:text;color:transparent}
.nums span{color:#a9bdd4;font-size:14px}
.map{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center}
.map-vis{position:relative;background:radial-gradient(circle at 50% 50%,#12395c,#0a1c2e 70%);border-radius:22px;border:1px solid rgba(255,255,255,.1);padding:22px;min-height:340px;overflow:hidden}
.map-vis .ghost-txt{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;align-content:center;height:100%}
.spot{background:rgba(255,255,255,.06);border:1px solid rgba(62,240,228,.3);border-radius:10px;padding:7px 12px;font-size:12px;color:#bfe6ef;transition:.25s}
.spot:hover{background:rgba(62,240,228,.16);color:#fff;transform:translateY(-2px)}
.spot b{color:#3ef0e4}
.node-list{display:grid;gap:12px}
.node-row{display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:13px 16px}
.node-row span{font-size:14px;color:#dbe7f6;flex:1}
.node-row i{font-style:normal;font-size:12px;color:#8ff3ec}
.bars{display:flex;gap:3px;align-items:flex-end;height:18px}
.bars b{width:4px;background:#12c8c0;border-radius:2px;display:block}
.bars b:nth-child(1){height:40%}.bars b:nth-child(2){height:60%}.bars b:nth-child(3){height:80%}.bars b:nth-child(4){height:100%}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:s}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;box-shadow:var(--shadow)}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:-18px;left:24px;width:42px;height:42px;border-radius:12px;background:var(--grad);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:0 10px 20px rgba(47,107,255,.3)}
.step h3{margin-top:12px;font-size:18px}
.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:#fff;border:1px solid var(--line);border-radius:20px;padding:32px 26px;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .28s,box-shadow .28s}
.plan:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.plan.best{background:linear-gradient(170deg,#0e2740,#0a1728);color:#e6f0fb;border-color:#2f6bff;position:relative;transform:translateY(-8px);box-shadow:0 26px 60px rgba(17,45,90,.3)}
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.plan .flag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:12px;font-weight:700;padding:5px 16px;border-radius:999px;white-space:nowrap}
.plan h3{font-size:18px;margin-bottom:6px}
.plan .sub{font-size:13px;color:var(--muted);margin-bottom:16px}
.plan.best .sub{color:#9fb6cf}
.plan .amt{font-size:40px;font-weight:800;line-height:1;margin-bottom:4px}
.plan .amt small{font-size:14px;font-weight:500;color:var(--muted)}
.plan.best .amt small{color:#9fb6cf}
.plan ul{list-style:none;padding:0;margin:18px 0 26px;flex:1}
.plan li{padding:7px 0;font-size:14px;color:var(--ink2);border-bottom:1px dashed var(--line)}
.plan.best li{color:#cfdcec;border-color:rgba(255,255,255,.12)}
.plan li::before{content:"✓";color:var(--brand2);font-weight:800;margin-right:8px}
.plan .btn,.plan .btn-line{width:100%}
.faq{max-width:880px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:4px 22px;margin-bottom:14px;box-shadow:var(--shadow);transition:box-shadow .25s,border-color .25s}
.faq details[open]{border-color:#bcd4f7;box-shadow:0 16px 34px rgba(12,32,60,.12)}
.faq summary{cursor:pointer;font-weight:700;font-size:16px;padding:16px 0;list-style:none;display:flex;gap:12px;align-items:flex-start}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";flex:0 0 auto;width:24px;height:24px;border-radius:8px;background:var(--soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:800;margin-top:3px}
.faq details[open] summary::before{content:"−";background:var(--brand);color:#fff}
.faq .ans{padding:0 0 18px 36px;color:var(--muted);font-size:15px}
.faq .ans p:last-child{margin-bottom:0}
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);transition:transform .28s,box-shadow .28s}
.quote:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.quote .stars{color:#f5a623;letter-spacing:2px;margin-bottom:12px}
.quote p{font-size:15px;color:var(--ink2)}
.who{display:flex;align-items:center;gap:12px;margin-top:18px}
.av{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex:0 0 auto}
.who b{display:block;font-size:14px}
.who small{color:var(--muted);font-size:12px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.post{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .28s,box-shadow .28s}
.post:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.post .thumb{position:relative;aspect-ratio:16/9;background:var(--soft);overflow:hidden}
.post .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.post:hover .thumb img{transform:scale(1.05)}
.post .body{padding:20px 22px;display:flex;flex-direction:column;flex:1}
.post .meta{font-size:12px;color:var(--muted);margin-bottom:8px;display:flex;gap:10px;flex-wrap:wrap}
.post h2,.post h3{font-size:17px;margin-bottom:8px}
.post h2 a,.post h3 a{color:var(--ink)}
.post h2 a:hover,.post h3 a:hover{color:var(--brand)}
.post p{font-size:14px;color:var(--muted);margin-bottom:14px;flex:1}
.more{font-size:13px;font-weight:700;color:var(--brand)}
.cta{position:relative;background:linear-gradient(120deg,#0b2440,#123f66 60%,#0c4f57);color:#fff;border-radius:26px;padding:56px 48px;display:flex;align-items:center;gap:36px;justify-content:space-between;overflow:hidden;box-shadow:0 30px 60px rgba(9,31,58,.28)}
.cta::after{content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(62,240,228,.28),transparent 70%)}
.cta h2{font-size:30px;margin-bottom:10px;color:#fff}
.cta p{color:#c3d3e6;margin:0}
.cta .btn{flex:0 0 auto}
.ft{background:#07111f;color:#9fb4cc;padding:64px 0 26px;font-size:14px}
.ft-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1)}
.ft h2{color:#fff;font-size:15px;margin-bottom:16px}
.ft ul{list-style:none;padding:0;margin:0}
.ft li{margin-bottom:10px}
.ft a{color:#9fb4cc}
.ft a:hover{color:#3ef0e4}
.ft .logo{margin-bottom:14px}
.ft p{color:#7f97b1;font-size:13px;line-height:1.9}
.ft-bot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:13px;color:#6d859e}
.ft-bot nav{display:flex;gap:18px;flex-wrap:wrap}
.top{position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:50%;background:var(--grad);color:#fff!important;display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:0 12px 26px rgba(47,107,255,.4);z-index:60}
.top:hover{filter:brightness(1.1)}
.page-head{padding:132px 0 54px;background:linear-gradient(160deg,#081322,#0e2b45);color:#fff}
.page-head h1{font-size:36px;color:#fff;margin-bottom:12px}
.page-head p{color:#b6cade;margin:0;max-width:760px}
.crumb{font-size:13px;color:#9fb4cc;margin-bottom:16px;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.crumb a{color:#9fd8ef}
.crumb span{color:#6d859e}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 316px;gap:40px;align-items:start;padding:56px 0 80px}
.article{background:#fff;border-radius:20px;box-shadow:var(--shadow);padding:38px 40px;border:1px solid var(--line)}
.article .ameta{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--muted);padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:24px}
.article .ameta b{color:var(--brand)}
.article h1{font-size:32px;margin-bottom:14px}
.article .stand{font-size:17px;color:var(--ink2);background:var(--soft);border-left:4px solid var(--brand);padding:16px 20px;border-radius:0 12px 12px 0;margin-bottom:26px}
.article h2{font-size:23px;margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--brand);scroll-margin-top:96px}
.article h3{font-size:18px;margin:26px 0 10px}
.article p{font-size:16px;color:#26384c;line-height:1.95}
.article ul li{margin-bottom:8px;color:#26384c}
.article figure{margin:26px 0}
.article figure img{border-radius:14px;width:100%;height:auto}
.article figcaption{font-size:12px;color:var(--muted);text-align:center;margin-top:10px}
.article blockquote{margin:24px 0;padding:18px 22px;background:linear-gradient(120deg,#f1f6ff,#f0fdfa);border-radius:14px;border-left:4px solid var(--brand2);color:#23384f;font-size:15px}
.article blockquote footer{margin-top:8px;font-size:13px;color:var(--muted)}
.article table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14px}
.article th,.article td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article th{background:var(--soft);font-weight:700}
.dl-box{background:linear-gradient(120deg,#0d2a44,#0c4b52);color:#fff;border-radius:16px;padding:24px 26px;margin:30px 0;display:flex;align-items:center;gap:20px;justify-content:space-between;flex-wrap:wrap}
.dl-box p{margin:0;color:#c3d3e6;font-size:14px}
.dl-box b{display:block;font-size:18px;color:#fff;margin-bottom:4px}
.pager{display:flex;gap:16px;margin:34px 0 0;flex-wrap:wrap}
.pager a{flex:1;min-width:220px;border:1px solid var(--line);border-radius:12px;padding:14px 18px;font-size:14px;color:var(--ink2)}
.pager a:hover{border-color:var(--brand);color:var(--brand)}
.pager small{display:block;color:var(--muted);font-size:12px}
.rel{margin-top:38px;padding-top:26px;border-top:1px solid var(--line)}
.rel h2{font-size:20px;border:0;padding:0}
.rel ul{list-style:none;padding:0}
.rel li{padding:10px 0;border-bottom:1px dashed var(--line);font-size:15px}
.cmts{margin-top:36px;padding-top:24px;border-top:1px solid var(--line)}
.cmts h2{font-size:20px;border:0;padding:0}
.cmt{display:flex;gap:14px;padding:18px 0;border-bottom:1px dashed var(--line)}
.cmt .av{width:40px;height:40px;font-size:15px}
.cmt .cm-h{display:flex;gap:12px;align-items:center;margin-bottom:4px;flex-wrap:wrap}
.cmt .cm-h b{font-size:14px}
.cmt .cm-h small{color:var(--muted);font-size:12px}
.cmt p{font-size:14px;color:var(--ink2);margin:0}
.side{position:sticky;top:92px;display:grid;gap:20px}
.scard{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px;box-shadow:var(--shadow)}
.scard h3{font-size:16px;margin:0 0 14px;padding-left:12px;position:relative}
.scard h3::before{content:"";position:absolute;left:0;top:3px;bottom:3px;width:4px;border-radius:2px;background:var(--grad)}
.toc{list-style:none;padding:0 0 0 6px;margin:0;border-left:2px solid var(--line)}
.toc li{position:relative;padding:7px 0 7px 16px;font-size:14px}
.toc li::before{content:"";position:absolute;left:-5px;top:16px;width:8px;height:8px;border-radius:50%;background:#cbd9e8;border:2px solid #fff}
.toc a{color:var(--ink2)}
.toc li.active::before{background:var(--brand)}
.toc li.active a{color:var(--brand);font-weight:700}
.hot{list-style:none;padding:0;margin:0;counter-reset:h}
.hot li{counter-increment:h;display:flex;gap:12px;align-items:flex-start;padding:9px 0;font-size:14px}
.hot li::before{content:counter(h);flex:0 0 auto;width:22px;height:22px;border-radius:7px;background:#e9eff7;color:#7a8ea6;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;transition:.2s}
.hot li:nth-child(1)::before{background:var(--grad);color:#fff}
.hot li:nth-child(2)::before{background:linear-gradient(135deg,#ff9d3f,#ff6f3f);color:#fff}
.hot li:nth-child(3)::before{background:linear-gradient(135deg,#f7c948,#e8a317);color:#fff}
.hot li:hover::before{transform:scale(1.12)}
.hot a{color:var(--ink2)}
.hot li:hover a{color:var(--brand)}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags a{font-size:12px;border:1px solid var(--line);border-radius:999px;padding:6px 12px;color:var(--ink2)}
.tags a:hover{border-color:var(--brand);color:var(--brand);background:#f2f7ff}
.dl-hero{padding:140px 0 80px;background:radial-gradient(900px 460px at 80% 10%,#143a63,transparent 60%),linear-gradient(160deg,#081322,#0d2137);color:#fff}
.dl-hero .hero-in{align-items:center}
.ver-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ver{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.ver h3{font-size:18px;margin-bottom:4px}
.ver .vnum{font-size:13px;color:var(--brand);font-weight:700;margin-bottom:12px}
.ver .fs{font-size:13px;color:var(--muted);margin-bottom:14px}
.ver ul{list-style:none;padding:0;margin:0 0 22px;flex:1;font-size:14px;color:var(--ink2)}
.ver li{padding:6px 0;border-bottom:1px dashed var(--line)}
.ver li::before{content:"✓";color:var(--brand2);font-weight:800;margin-right:8px}
.reqs{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.req{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 22px;box-shadow:var(--shadow)}
.req b{display:block;font-size:13px;color:var(--muted);font-weight:600;margin-bottom:6px}
.req span{font-size:15px;font-weight:700}
.inst{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:i}
.istep{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px 22px;box-shadow:var(--shadow)}
.istep::before{counter-increment:i;content:counter(i);position:absolute;top:-16px;left:22px;width:38px;height:38px;border-radius:11px;background:var(--grad);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 20px rgba(47,107,255,.28)}
.istep h3{font-size:16px;margin-top:10px}
.istep p{font-size:14px;color:var(--muted);margin:0}
.prose{max-width:900px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:20px;padding:40px;box-shadow:var(--shadow)}
.prose h2{font-size:22px;margin:32px 0 12px}
.prose h2:first-child{margin-top:0}
.prose p,.prose li{color:#2c3e52;font-size:15px}
.notice{background:#fff8e6;border:1px solid #f6e0a8;color:#7a5b12;border-radius:12px;padding:14px 18px;font-size:14px;margin:0 0 24px}
.notice b{color:#5c4408}
.sitemap-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.sitemap-cols ul{list-style:none;padding:0;font-size:15px}
.sitemap-cols li{padding:7px 0;border-bottom:1px dashed var(--line)}
.e404{padding:170px 0 120px;text-align:center;background:radial-gradient(600px 320px at 50% 10%,#123a5f,transparent 70%),linear-gradient(160deg,#081322,#0d2137);color:#fff;min-height:70vh}
.e404 b{display:block;font-size:110px;line-height:1;background:linear-gradient(100deg,#7fb0ff,#3ef0e4);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:800}
.e404 h1{font-size:28px;color:#fff;margin:16px 0 10px}
.e404 p{color:#a9bdd4}
.e404 .count{color:#3ef0e4;font-weight:700}
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.js .reveal.in{opacity:1;transform:none}
@media(max-width:992px){
 .hd-in{height:64px}
 .burger{display:block}
 .hd-in>nav{position:fixed;top:64px;left:0;right:0;background:#071628;max-height:calc(100vh - 64px);overflow:auto;display:none;border-bottom:1px solid rgba(255,255,255,.1);margin:0}
 .nav-ck:checked~nav{display:block}
 .nav{flex-direction:column;align-items:stretch;gap:2px;padding:14px 18px 24px}
 .nav>li{border-bottom:1px solid rgba(255,255,255,.07)}
 .nav a,.nav label{justify-content:space-between;padding:13px 8px;font-size:16px;color:#dbe7f6}
 .dd-menu{position:static;opacity:1;visibility:visible;transform:none;background:rgba(255,255,255,.05);box-shadow:none;display:none;padding:4px 0 10px 10px;margin:0}
 .dd-menu a{color:#b6cade;font-size:15px;padding:10px 12px}
 .dd-menu a:hover{color:#fff;background:rgba(255,255,255,.09)}
 .dd input:checked~.dd-menu{display:block}
 .hd-cta{display:none}
 .hero{padding:118px 0 74px}
 .hero-in{grid-template-columns:1fr;gap:40px}
 .hero h1{font-size:38px}
 .demo{max-width:480px;margin:0 auto}
 .g3,.news-grid,.price,.ver-grid{grid-template-columns:repeat(2,1fr)}
 .g4,.nums{grid-template-columns:repeat(2,1fr)}
 .map{grid-template-columns:1fr}
 .steps{grid-template-columns:1fr}
 .inst{grid-template-columns:repeat(2,1fr)}
 .reqs{grid-template-columns:repeat(2,1fr)}
 .layout{grid-template-columns:1fr}
 .side{position:static;grid-template-columns:1fr;display:grid}
 .article{padding:28px 24px}
 .cta{flex-direction:column;text-align:center;padding:42px 26px}
 .sec{padding:64px 0}
 .sec-head h2{font-size:28px}
 .page-head{padding:112px 0 44px}
 .page-head h1{font-size:29px}
 .article h1{font-size:26px}
 .sitemap-cols{grid-template-columns:repeat(2,1fr)}
 .prose{padding:28px 24px}
}
@media(max-width:768px){
 .hero h1{font-size:32px}
 .hero .lead{font-size:16px}
 .g3,.g2,.news-grid,.price,.ver-grid,.nums{grid-template-columns:1fr}
 .plan.best{transform:none}
 .plan.best:hover{transform:translateY(-6px)}
 .ft-grid{grid-template-columns:1fr 1fr;gap:26px}
 .hero-stats{grid-template-columns:repeat(3,1fr);gap:10px}
 .hero-stats b{font-size:19px}
 .hero-stats span{font-size:12px}
 .cta h2{font-size:24px}
 .article{padding:24px 18px}
 .gauge{width:170px;height:170px}
 .gauge svg{width:170px;height:170px}
 .stat-row strong{font-size:14px}
 .e404 b{font-size:80px}
 .top{right:14px;bottom:16px;width:42px;height:42px}
}
@media(max-width:480px){
 .wrap{padding:0 16px}
 .hero{padding:106px 0 60px}
 .hero h1{font-size:27px}
 .hero-btns .btn,.hero-btns .btn.ghost{width:100%}
 .hero-stats{grid-template-columns:1fr;gap:8px}
 .hero-stats div{display:flex;justify-content:space-between;align-items:center;padding:10px 14px}
 .hero-stats b{font-size:18px}
 .sec{padding:52px 0}
 .sec-head h2{font-size:23px}
 .g3,.g4,.reqs,.inst,.sitemap-cols,.ft-grid{grid-template-columns:1fr}
 .nodes{gap:5px}
 .node{font-size:11px;padding:7px 2px}
 .node small{font-size:9px}
 .stat-row div{padding:7px 4px}
 .stat-row small{font-size:10px}
 .stat-row strong{font-size:13px}
 .cta{padding:34px 20px;border-radius:18px}
 .btn,.btn-line{width:100%}
 .pager a{min-width:100%}
 .article h1{font-size:23px}
 .article h2{font-size:19px}
 .article blockquote{padding:14px 16px}
 .e404 b{font-size:64px}
 .e404{padding:130px 0 90px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}