*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{--brand:#2f6bff;--brand2:#00d4ff;--brand-d:#1b3bd1;--ink:#0f172a;--ink2:#48566b;--ink3:#94a1b8;--line:#e5e9f0;--bg:#f7f9fc;--white:#fff;--radius:16px;--shadow:0 6px 24px rgba(15,23,42,.07);--shadow-h:0 18px 44px rgba(47,107,255,.18);--grad:linear-gradient(135deg,#2f6bff 0%,#00d4ff 100%);--grad-soft:linear-gradient(135deg,rgba(47,107,255,.1),rgba(0,212,255,.08))}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.78;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;font-weight:600;font-size:15px;border:2px solid transparent;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,background .22s ease;white-space:nowrap}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(47,107,255,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(47,107,255,.42)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}
.btn-line{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-line:hover{background:#f0f5ff;transform:translateY(-2px)}
.btn-sm{padding:9px 20px;font-size:14px}
.btn-lg{padding:16px 36px;font-size:17px}
.nav{position:fixed;inset:0 0 auto 0;z-index:900;background:rgba(10,18,38,.62);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08);transition:background .3s ease,padding .3s ease}
.nav.scrolled{background:rgba(9,15,32,.94);box-shadow:0 8px 30px rgba(0,0,0,.28)}
.nav-inner{display:flex;align-items:center;gap:22px;height:72px;transition:height .3s ease}
.nav.scrolled .nav-inner{height:62px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:19px;letter-spacing:.5px;flex:0 0 auto}
.logo img{width:36px;height:36px;border-radius:10px;background:#fff;padding:3px;object-fit:contain}
.logo b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{display:inline-flex;align-items:center;gap:5px;padding:10px 14px;color:rgba(255,255,255,.9);font-size:15px;border-radius:10px;cursor:pointer;transition:color .2s,background .2s}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-item{position:relative}
.nav-item .arrow{font-size:10px;transition:transform .3s ease}
.dd-toggle,.nav-toggle{position:absolute;opacity:0;pointer-events:none}
.dropdown-panel{position:absolute;top:calc(100% + 12px);left:50%;transform:translateX(-50%) translateY(8px);min-width:210px;background:#fff;border-radius:14px;box-shadow:0 18px 46px rgba(15,23,42,.2);padding:10px;opacity:0;visibility:hidden;transition:opacity .24s ease,transform .24s ease,visibility .24s}
.dropdown-panel a{display:block;padding:10px 14px;border-radius:9px;color:var(--ink2);font-size:14.5px;transition:background .18s,color .18s}
.dropdown-panel a:hover{background:#f0f5ff;color:var(--brand)}
.nav-item:hover .dropdown-panel,.dd-toggle:checked~.dropdown-panel{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav-item:hover .arrow,.dd-toggle:checked~.nav-link .arrow{transform:rotate(180deg)}
.nav-cta{margin-left:10px;padding:11px 24px}
.hamburger{display:none;margin-left:auto;width:44px;height:40px;border-radius:10px;background:rgba(255,255,255,.12);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.hamburger span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:transform .25s,opacity .25s}
.hero{position:relative;padding:150px 0 90px;background:radial-gradient(1200px 600px at 78% 8%,rgba(0,212,255,.22),transparent 60%),radial-gradient(900px 500px at 12% 30%,rgba(47,107,255,.28),transparent 62%),linear-gradient(160deg,#0a1226 0%,#101f45 55%,#0b1730 100%);color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:46px 46px;mask-image:radial-gradient(70% 60% at 50% 40%,#000,transparent);pointer-events:none}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero-title{font-size:clamp(30px,4.6vw,52px);line-height:1.18;font-weight:800;letter-spacing:-.5px}
.hero-title em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:20px;font-size:17px;color:rgba(233,240,255,.82);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:42px;padding-top:28px;border-top:1px solid rgba(255,255,255,.13)}
.hero-stats .stat b{display:block;font-size:28px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats .stat span{font-size:13px;color:rgba(233,240,255,.7)}
.demo{position:relative;background:rgba(11,20,40,.72);border:1px solid rgba(255,255,255,.14);border-radius:22px;padding:22px;box-shadow:0 30px 70px rgba(0,0,0,.42);backdrop-filter:blur(8px)}
.demo-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.demo-dot{display:flex;gap:6px}
.demo-dot i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.25)}
.demo-dot i:first-child{background:#ff5f57}.demo-dot i:nth-child(2){background:#febc2e}.demo-dot i:nth-child(3){background:#28c840}
.demo-name{font-size:13px;color:rgba(255,255,255,.6);letter-spacing:.5px}
.gauge{position:relative;width:190px;height:190px;margin:6px auto 14px;border-radius:50%;background:conic-gradient(from 135deg,#2f6bff 0 120deg,#00d4ff 120deg 210deg,rgba(255,255,255,.09) 210deg 270deg,rgba(255,255,255,.05) 270deg 360deg);display:flex;align-items:center;justify-content:center;transition:transform .8s cubic-bezier(.2,.8,.2,1),filter .8s}
.gauge::after{content:"";position:absolute;inset:14px;border-radius:50%;background:#0c172c;box-shadow:inset 0 0 30px rgba(47,107,255,.25)}
.gauge-in{position:relative;z-index:2;text-align:center}
.gauge-in b{display:block;font-size:34px;font-weight:800;color:#fff;line-height:1.1}
.gauge-in span{font-size:12px;color:rgba(255,255,255,.6);letter-spacing:1px}
.demo-node,.demo-conn{position:absolute;opacity:0;pointer-events:none}
.ring{position:absolute;inset:-7px;border-radius:50%;background:conic-gradient(from 0deg,rgba(0,212,255,0) 0deg,rgba(0,212,255,0) 278deg,rgba(0,212,255,.95) 342deg,rgba(0,212,255,0) 360deg);opacity:0;transition:opacity .45s ease}
.demo-conn:checked~.demo-screen .ring{opacity:1;animation:spin 2.6s linear infinite}
.demo-conn:checked~.demo-screen .gauge{transform:scale(1.04);filter:drop-shadow(0 0 22px rgba(0,212,255,.5))}
@keyframes spin{to{transform:rotate(360deg)}}
.demo-readout{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:4px 0 14px}
.rd{background:rgba(255,255,255,.06);border-radius:12px;padding:12px 8px;text-align:center;border:1px solid rgba(255,255,255,.08)}
.rd span{display:block;font-size:12px;color:rgba(255,255,255,.55);margin-bottom:4px}
.rd b{font-size:18px;color:#fff;font-weight:700}
.nodes{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:14px}
.node{display:block;text-align:center;padding:10px 6px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);font-size:12.5px;color:rgba(255,255,255,.78);cursor:pointer;transition:all .2s}
.node i{display:block;font-style:normal;font-size:11px;color:rgba(255,255,255,.5)}
.node:hover{background:rgba(255,255,255,.12)}
.node-on{display:none}
#nd1:checked~.demo-screen .n1,#nd2:checked~.demo-screen .n2,#nd3:checked~.demo-screen .n3{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 8px 20px rgba(47,107,255,.4)}
#nd1:checked~.demo-screen .n1 i,#nd2:checked~.demo-screen .n2 i,#nd3:checked~.demo-screen .n3 i{color:rgba(255,255,255,.85)}
#nd1:checked~.demo-screen .v-nd1,#nd2:checked~.demo-screen .v-nd2,#nd3:checked~.demo-screen .v-nd3{display:block}
#nd1:checked~.demo-screen .o-nd1,#nd2:checked~.demo-screen .o-nd2,#nd3:checked~.demo-screen .o-nd3{display:none}
.v-nd1,.v-nd2,.v-nd3{display:none}
.demo-switches{display:flex;gap:16px;margin-bottom:14px;font-size:13px;color:rgba(255,255,255,.75)}
.sw{display:flex;align-items:center;gap:8px;cursor:pointer}
.sw input{position:absolute;opacity:0;pointer-events:none}
.sw .track{width:38px;height:21px;border-radius:999px;background:rgba(255,255,255,.2);position:relative;transition:background .25s}
.sw .track::after{content:"";position:absolute;top:3px;left:3px;width:15px;height:15px;border-radius:50%;background:#fff;transition:transform .25s}
.sw input:checked+.track{background:var(--brand2)}
.sw input:checked+.track::after{transform:translateX(17px)}
.conn-btn{display:block;text-align:center;padding:13px;border-radius:999px;background:var(--grad);color:#fff;font-weight:700;cursor:pointer;box-shadow:0 10px 26px rgba(47,107,255,.38);transition:transform .2s}
.conn-btn:hover{transform:translateY(-2px)}
.lbl-off,.demo-conn:checked~.demo-screen .lbl-on{display:none}
.demo-conn:checked~.demo-screen .lbl-off{display:inline}
.demo-conn:checked~.demo-screen .conn-btn{background:linear-gradient(135deg,#ef4444,#f97316);box-shadow:0 10px 26px rgba(239,68,68,.35)}
.conn-state{text-align:center;font-size:12.5px;color:rgba(255,255,255,.6);margin-top:10px}
.conn-state b{color:#28c840}
.demo-conn:checked~.demo-screen .conn-state .st-off,.demo-conn:not(:checked)~.demo-screen .conn-state .st-on{display:none}
.demo-conn:not(:checked)~.demo-screen .conn-state b{color:var(--ink3)}
section{scroll-margin-top:88px}
.section{padding:88px 0}
.section.alt{background:#fff}
.section.dark{background:linear-gradient(160deg,#0a1226,#12224a);color:#fff}
.section-head{max-width:760px;margin:0 auto 52px;text-align:center}
.eyebrow{display:inline-block;padding:6px 16px;border-radius:999px;background:var(--grad-soft);color:var(--brand);font-size:13px;font-weight:700;letter-spacing:1.5px;margin-bottom:16px}
.section.dark .eyebrow{background:rgba(255,255,255,.1);color:var(--brand2)}
.section-title{font-size:clamp(24px,3vw,36px);font-weight:800;letter-spacing:-.4px;line-height:1.3}
.section-sub{margin-top:14px;color:var(--ink2);font-size:16px}
.section.dark .section-sub{color:rgba(233,240,255,.75)}
.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)}
.g6{grid-template-columns:repeat(6,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:transform .28s ease,box-shadow .28s ease,border-color .28s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-h);border-color:rgba(47,107,255,.34)}
.section.dark .card{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12);box-shadow:none}
.section.dark .card:hover{background:rgba(255,255,255,.09);box-shadow:0 18px 40px rgba(0,0,0,.35)}
.card-ico{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;background:var(--grad-soft);margin-bottom:16px}
.card h3{font-size:18px;margin-bottom:10px;font-weight:700}
.card p{color:var(--ink2);font-size:14.6px}
.section.dark .card h3{color:#fff}
.section.dark .card p{color:rgba(233,240,255,.72)}
.num-badge{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;background:var(--grad);color:#fff;font-weight:700;font-size:14px;margin-bottom:14px}
.metric b{display:block;font-size:clamp(26px,3.4vw,40px);font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.1}
.section.dark .metric b{background:linear-gradient(135deg,#7fb4ff,#00d4ff);-webkit-background-clip:text;background-clip:text}
.metric span{color:var(--ink2);font-size:14px}
.section.dark .metric span{color:rgba(233,240,255,.7)}
.metric-card{text-align:center;padding:34px 20px}
.kv{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.kv:last-child{border-bottom:0}
.kv span{color:var(--ink2)}
.kv b{color:var(--ink);font-weight:700}
.plan{position:relative;background:#fff;border:2px solid var(--line);border-radius:20px;padding:34px 28px;text-align:center;box-shadow:var(--shadow);transition:transform .28s,box-shadow .28s,border-color .28s}
.plan:hover{transform:translateY(-6px);box-shadow:var(--shadow-h)}
.plan .flag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:12.5px;font-weight:700;padding:6px 18px;border-radius:999px;white-space:nowrap;box-shadow:0 8px 18px rgba(47,107,255,.35)}
.plan.hot{border-color:var(--brand);transform:translateY(-10px);box-shadow:0 22px 52px rgba(47,107,255,.22)}
.plan.hot:hover{transform:translateY(-16px)}
.plan h3{font-size:19px;margin-bottom:6px}
.plan .p-sub{font-size:13.5px;color:var(--ink3);min-height:22px}
.plan .price{margin:16px 0 6px;font-size:40px;font-weight:800;color:var(--brand)}
.plan .price small{font-size:15px;color:var(--ink3);font-weight:500}
.plan ul{margin:20px 0 26px;text-align:left;display:grid;gap:11px}
.plan li{font-size:14.4px;color:var(--ink2);padding-left:26px;position:relative}
.plan li::before{content:"✓";position:absolute;left:0;top:0;color:var(--brand);font-weight:800}
.faq{max-width:920px;margin:0 auto;display:grid;gap:14px}
details.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden}
details.faq-item summary{cursor:pointer;padding:20px 56px 20px 24px;font-weight:700;font-size:16px;position:relative;list-style:none}
details.faq-item summary::-webkit-details-marker{display:none}
details.faq-item summary::after{content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);font-size:22px;color:var(--brand);transition:transform .25s}
details.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
details.faq-item .ans{padding:0 24px 22px;color:var(--ink2);font-size:14.8px;border-top:1px solid var(--line);padding-top:16px;margin:0 24px 22px;padding-left:0;padding-right:0}
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:transform .28s,box-shadow .28s}
.quote:hover{transform:translateY(-5px);box-shadow:var(--shadow-h)}
.stars{color:#f5a623;letter-spacing:2px;font-size:15px}
.quote p{margin:12px 0 18px;color:var(--ink2);font-size:14.8px}
.who{display:flex;align-items:center;gap:12px}
.avatar{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:14.5px}
.who span{font-size:12.5px;color:var(--ink3)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .28s,box-shadow .28s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-h)}
.news-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body .meta{font-size:12.5px;color:var(--ink3);display:flex;gap:12px;flex-wrap:wrap}
.news-body h3{font-size:17px;line-height:1.55;font-weight:700}
.news-card:hover h3{color:var(--brand)}
.news-body p{font-size:14.3px;color:var(--ink2);flex:1}
.readmore{color:var(--brand);font-weight:600;font-size:14px}
.cta-band{position:relative;padding:80px 0;background:radial-gradient(800px 400px at 20% 20%,rgba(0,212,255,.25),transparent 60%),linear-gradient(135deg,#12306f,#0a1226);color:#fff;text-align:center;overflow:hidden}
.cta-band h2{font-size:clamp(24px,3.2vw,38px);font-weight:800;margin-bottom:16px}
.cta-band p{color:rgba(233,240,255,.8);max-width:640px;margin:0 auto 32px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
footer{background:#070d1c;color:rgba(233,240,255,.72);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;max-width:320px;line-height:1.9}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:18px}
.footer-col a{display:block;font-size:14px;padding:6px 0;transition:color .2s}
.footer-col a:hover{color:var(--brand2)}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom a:hover{color:var(--brand2)}
.totop{position:fixed;right:24px;bottom:28px;width:48px;height:48px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:0 10px 26px rgba(47,107,255,.4);z-index:800;transition:transform .25s}
.totop:hover{transform:translateY(-4px)}
.page-hero{padding:140px 0 60px;background:radial-gradient(900px 460px at 70% 0%,rgba(0,212,255,.22),transparent 62%),linear-gradient(160deg,#0a1226,#12224a);color:#fff;text-align:center}
.page-hero h1{font-size:clamp(26px,3.6vw,40px);font-weight:800;margin-bottom:14px}
.page-hero p{color:rgba(233,240,255,.78);max-width:760px;margin:0 auto}
.crumbs{display:flex;gap:8px;flex-wrap:wrap;align-items:center;font-size:13.5px;color:var(--ink3);padding:18px 0}
.crumbs a{color:var(--ink2)}
.crumbs a:hover{color:var(--brand)}
.crumbs span{color:var(--ink3)}
.prose{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:44px;box-shadow:var(--shadow)}
.prose h2{font-size:22px;margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--brand);scroll-margin-top:96px}
.prose h3{font-size:18px;margin:24px 0 10px}
.prose p{margin-bottom:16px;color:var(--ink2);font-size:15.5px}
.prose ul{display:grid;gap:9px;margin:0 0 18px 4px}
.prose li{padding-left:24px;position:relative;color:var(--ink2);font-size:15px}
.prose li::before{content:"•";position:absolute;left:6px;color:var(--brand);font-weight:800}
.prose figure{margin:22px 0}
.prose figcaption{font-size:13px;color:var(--ink3);text-align:center;margin-top:8px}
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:34px;align-items:start;padding-top:8px}
.article-main{min-width:0}
.article-head{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow);margin-bottom:26px}
.article-head h1{font-size:clamp(22px,2.7vw,31px);line-height:1.4;font-weight:800;margin-bottom:16px}
.article-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:13.5px;color:var(--ink3);border-top:1px solid var(--line);padding-top:16px;margin-top:6px}
.article-meta b{color:var(--ink2);font-weight:600}
.side{position:sticky;top:92px;display:grid;gap:20px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:var(--shadow)}
.side-card h3{font-size:15.5px;margin-bottom:16px;padding-left:12px;border-left:4px solid var(--brand);line-height:1.2}
.toc{position:relative;padding-left:8px;display:grid;gap:2px}
.toc::before{content:"";position:absolute;left:4px;top:6px;bottom:6px;width:2px;background:var(--line)}
.toc a{position:relative;display:block;padding:8px 0 8px 22px;font-size:14px;color:var(--ink2);border-radius:8px;transition:color .2s}
.toc a::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:10px;height:10px;border-radius:50%;background:#fff;border:2px solid var(--line);transition:border-color .2s,background .2s}
.toc a:hover{color:var(--brand)}
.toc a.active{color:var(--brand);font-weight:700}
.toc a.active::before{background:var(--brand);border-color:var(--brand)}
.hot{display:grid;gap:6px;counter-reset:h}
.hot a{display:flex;gap:12px;padding:9px 0;font-size:14px;color:var(--ink2);line-height:1.55;align-items:flex-start;transition:color .2s}
.hot a:hover{color:var(--brand)}
.hot i{flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:#eef2f8;color:var(--ink3);font-style:normal;font-size:12.5px;font-weight:700;display:flex;align-items:center;justify-content:center;transition:transform .2s}
.hot a:hover i{transform:scale(1.14)}
.hot a:nth-child(1) i{background:var(--grad);color:#fff}
.hot a:nth-child(2) i{background:linear-gradient(135deg,#f97316,#fb923c);color:#fff}
.hot a:nth-child(3) i{background:linear-gradient(135deg,#eab308,#facc15);color:#fff}
.tags{display:flex;flex-wrap:wrap;gap:9px}
.tags a{padding:6px 14px;border-radius:999px;background:#f2f5fa;color:var(--ink2);font-size:13px;border:1px solid transparent;transition:all .2s}
.tags a:hover{background:var(--grad-soft);color:var(--brand);border-color:rgba(47,107,255,.3)}
.pager{display:flex;justify-content:space-between;gap:14px;margin:26px 0;flex-wrap:wrap}
.pager a{flex:1;min-width:220px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 22px;box-shadow:var(--shadow);transition:transform .24s,box-shadow .24s}
.pager a:hover{transform:translateY(-4px);box-shadow:var(--shadow-h)}
.pager span{display:block;font-size:12.5px;color:var(--ink3);margin-bottom:6px}
.pager b{font-size:14.6px;font-weight:600}
.pager .next{text-align:right}
.comments{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);margin-top:8px}
.comments h3{font-size:18px;margin-bottom:20px}
.comment{display:flex;gap:14px;padding:18px 0;border-bottom:1px dashed var(--line)}
.comment:last-child{border-bottom:0}
.comment .avatar{background:linear-gradient(135deg,#64748b,#94a3b8)}
.comment-body b{font-size:14.5px}
.comment-body .c-meta{font-size:12.5px;color:var(--ink3);margin:2px 0 8px}
.comment-body p{font-size:14.4px;color:var(--ink2)}
.dl-hero{padding:132px 0 70px;background:radial-gradient(1000px 520px at 75% 5%,rgba(0,212,255,.22),transparent 60%),linear-gradient(160deg,#0a1226,#12224a);color:#fff}
.dl-hero .hero-grid{align-items:center}
.dl-list{display:grid;gap:10px;margin:18px 0}
.dl-list li{padding-left:26px;position:relative;font-size:14.5px;color:var(--ink2)}
.dl-list li::before{content:"✓";position:absolute;left:0;color:var(--brand);font-weight:800}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);transition:transform .28s,box-shadow .28s}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow-h)}
.step .num-badge{width:34px;height:34px}
.step h3{font-size:16.5px;margin-bottom:8px}
.step p{font-size:14.2px;color:var(--ink2)}
table.tbl{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
table.tbl th,table.tbl td{padding:14px 18px;text-align:left;font-size:14.4px;border-bottom:1px solid var(--line)}
table.tbl th{background:#f2f6fd;font-weight:700;color:var(--ink)}
table.tbl tr:last-child td{border-bottom:0}
table.tbl td{color:var(--ink2)}
.notfound{padding:170px 0 110px;text-align:center}
.notfound .big{font-size:clamp(84px,16vw,160px);font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.notfound h1{font-size:26px;margin:12px 0 14px}
.notfound p{color:var(--ink2);margin-bottom:28px}
.notfound .actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.map-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.map-col{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.map-col h3{font-size:17px;margin-bottom:14px;padding-left:12px;border-left:4px solid var(--brand)}
.map-col a{display:block;padding:8px 0;font-size:14.3px;color:var(--ink2);border-bottom:1px dashed var(--line);transition:color .2s,padding-left .2s}
.map-col a:last-child{border-bottom:0}
.map-col a:hover{color:var(--brand);padding-left:6px}
html.js .reveal{opacity:0;transform:translateY(20px)}
html.js .reveal.in{opacity:1;transform:none;transition:opacity .7s ease,transform .7s ease}
.delay1.in{transition-delay:.08s}.delay2.in{transition-delay:.16s}.delay3.in{transition-delay:.24s}
@media (max-width:992px){
.nav-inner{height:62px}
.hamburger{display:flex}
.nav-menu{position:fixed;inset:62px 0 auto 0;flex-direction:column;align-items:stretch;background:rgba(9,15,32,.98);padding:14px 20px 26px;gap:2px;max-height:calc(100vh - 62px);overflow-y:auto;transform:translateY(-140%);transition:transform .32s ease;margin-left:0;border-bottom:1px solid rgba(255,255,255,.1)}
.nav-toggle:checked~.nav-menu{transform:translateY(0)}
.nav-cta{display:none}
.nav-link{padding:13px 6px;width:100%;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.08)}
.dropdown-panel{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;background:rgba(255,255,255,.05);display:none;padding:6px 0 6px 12px;min-width:0}
.nav-item:hover .dropdown-panel{display:none}
.dd-toggle:checked~.dropdown-panel{display:block}
.nav-item:hover .arrow{transform:none}
.dd-toggle:checked~.nav-link .arrow{transform:rotate(180deg)}
.dropdown-panel a{color:rgba(255,255,255,.82)}
.dropdown-panel a:hover{background:rgba(255,255,255,.1);color:#fff}
.hero{padding:118px 0 70px}
.hero-grid{grid-template-columns:1fr;gap:40px}
.demo{max-width:460px;margin:0 auto}
.g2,.g3,.g4,.g6,.news-grid,.steps,.map-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr 1fr}
.article-wrap{grid-template-columns:1fr}
.side{position:static}
.prose{padding:30px}
}
@media (max-width:768px){
.section{padding:64px 0}
.hero-stats{gap:24px}
.hero-stats .stat b{font-size:23px}
.prose{padding:24px}
.article-head{padding:24px}
.pager a{min-width:100%}
.comments{padding:22px}
}
@media (max-width:600px){
.g2,.g3,.g4,.g6,.news-grid,.steps,.map-grid,.footer-grid,.nodes,.demo-readout{grid-template-columns:1fr}
.plan.hot{transform:none}
.plan.hot:hover{transform:translateY(-6px)}
.btn{width:100%}
.hero-actions .btn{width:100%}
.hero{padding:104px 0 56px}
.footer-bottom{flex-direction:column}
.page-hero{padding:112px 0 48px}
.dl-hero{padding:108px 0 52px}
}
@media (max-width:480px){
.container{padding:0 16px}
.gauge{width:158px;height:158px}
.gauge-in b{font-size:28px}
.hero-title{font-size:27px}
.prose h2{font-size:19px}
}