*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--brand:#12D18E;--brand2:#3B82F6;--brand3:#7C5CFF;--ink:#0C1526;--ink2:#1B2B45;--muted:#5D6E88;--bg:#F5F8FC;--line:#E2EAF4;--dark:#080F1F;--dark2:#0E1A30;--grad:linear-gradient(120deg,#12D18E 0%,#3B82F6 100%);--grad2:linear-gradient(120deg,#3B82F6 0%,#7C5CFF 100%);--shadow:0 10px 30px rgba(12,21,38,.08);--shadow-lg:0 22px 50px rgba(12,21,38,.16);--r:16px}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button,input,label{font-family:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.sec{padding:88px 0}section[id]{scroll-margin-top:88px}
.sec-alt{background:var(--bg)}
.sec-dark{background:var(--dark);color:#fff}
.sec-head{text-align:center;max-width:760px;margin:0 auto 52px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brand2);background:rgba(59,130,246,.1);border:1px solid rgba(59,130,246,.2);padding:6px 14px;border-radius:999px;margin-bottom:16px}
.sec-dark .eyebrow{color:#7FF0C4;background:rgba(18,209,142,.12);border-color:rgba(18,209,142,.3)}
.sec-title{font-size:clamp(26px,3.4vw,40px);line-height:1.25;letter-spacing:-.02em;font-weight:800}
.sec-desc{margin-top:14px;color:var(--muted);font-size:16.5px}
.sec-dark .sec-desc{color:#9DB0CC}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--grad);color:#fff;font-weight:700;font-size:15px;padding:13px 26px;border-radius:999px;border:none;cursor:pointer;box-shadow:0 8px 22px rgba(18,209,142,.28);transition:transform .22s,box-shadow .22s;min-height:46px}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(59,130,246,.34)}
.btn-lg{font-size:16.5px;padding:16px 34px;min-height:54px}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.42);box-shadow:none}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);box-shadow:none}
.btn-outline{background:#fff;color:var(--ink);border:1.5px solid var(--line);box-shadow:none}
.btn-outline:hover{border-color:var(--brand2);color:var(--brand2);box-shadow:none}
.btn-block{width:100%}
/* nav */
.site-nav{position:fixed;top:0;left:0;right:0;z-index:1000;transition:background .3s,box-shadow .3s,backdrop-filter .3s}
.site-nav.scrolled{background:rgba(8,15,31,.9);backdrop-filter:blur(14px);box-shadow:0 6px 24px rgba(0,0,0,.28)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px;gap:18px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:#fff;letter-spacing:-.01em}
.logo img{width:38px;height:38px;border-radius:10px;background:#fff;object-fit:contain;padding:3px}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-menu>li{position:relative}
.nav-link{display:flex;align-items:center;gap:5px;padding:10px 14px;font-size:15px;font-weight:600;color:rgba(255,255,255,.88);border-radius:10px;cursor:pointer;transition:color .2s,background .2s;white-space:nowrap}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.1)}
.caret{font-size:11px;transition:transform .28s;display:inline-block}
.nav-menu>li:hover .caret,.nav-menu>li.open .caret{transform:rotate(180deg)}
.dd-input,.conn-switch,.node-list input,.chip-input,.feat-input,.nav-toggle{position:absolute;opacity:0;pointer-events:none;width:1px;height:1px}
.dropdown{position:absolute;top:calc(100% + 10px);left:0;min-width:238px;background:#fff;border-radius:14px;box-shadow:0 20px 46px rgba(8,15,31,.22);padding:10px;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .24s,transform .24s,visibility .24s}
.nav-menu>li:hover .dropdown,.dd-input:checked~.dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:10px 13px;border-radius:9px;font-size:14.5px;color:var(--ink2);font-weight:600}
.dropdown a:hover{background:var(--bg);color:var(--brand2)}
.dropdown a span{display:block;font-size:12.5px;color:var(--muted);font-weight:400;margin-top:2px}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-cta .btn{padding:11px 22px;font-size:14.5px}
.nav-toggle-label{display:none;width:44px;height:44px;border-radius:11px;background:rgba(255,255,255,.12);align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer}
.nav-toggle-label i{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:transform .3s,opacity .3s}
/* hero */
.hero{position:relative;background:var(--dark);color:#fff;padding:132px 0 88px;overflow:hidden}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;pointer-events:none}
.hero::before{width:520px;height:520px;background:rgba(18,209,142,.4);top:-160px;right:-90px}
.hero::after{width:460px;height:460px;background:rgba(59,130,246,.42);bottom:-200px;left:-130px}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.04fr .96fr;gap:52px;align-items:center}
.hero h1{font-size:clamp(30px,4.2vw,52px);line-height:1.16;letter-spacing:-.025em;font-weight:800}
.hero-sub{margin-top:18px;font-size:17px;color:#A7B8D4;max-width:560px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:40px;max-width:520px}
.hstat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:16px 14px}
.hstat b{display:block;font-size:23px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hstat span{font-size:12.8px;color:#93A6C4}
/* demo widget */
.demo-card{position:relative;background:linear-gradient(165deg,#101E38,#0A1428);border:1px solid rgba(255,255,255,.13);border-radius:22px;padding:22px;box-shadow:0 30px 70px rgba(0,0,0,.42)}
.demo-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.demo-brand{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:700;color:#EAF2FF}
.demo-brand img{width:30px;height:30px;border-radius:9px;background:#fff;padding:3px;object-fit:contain}
.demo-status{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.08);color:#93A6C4;border:1px solid rgba(255,255,255,.14)}
.dot{width:8px;height:8px;border-radius:50%;background:#7A8AA5;transition:background .3s,box-shadow .3s}
.st-on{display:none}
.conn-switch:checked~.demo-head .st-on{display:inline}
.conn-switch:checked~.demo-head .st-off{display:none}
.conn-switch:checked~.demo-head .demo-status{color:#8DF3C6;border-color:rgba(18,209,142,.45);background:rgba(18,209,142,.14)}
.conn-switch:checked~.demo-head .dot{background:#12D18E;box-shadow:0 0 0 4px rgba(18,209,142,.24)}
.demo-gauge{position:relative;width:200px;height:200px;margin:6px auto 14px}
.demo-gauge svg{width:200px;height:200px;transform:rotate(-90deg)}
.ring-bg{fill:none;stroke:rgba(255,255,255,.1);stroke-width:13}
.ring-fg{fill:none;stroke:url(#kgrad);stroke-width:13;stroke-linecap:round;stroke-dasharray:502;stroke-dashoffset:502;transition:stroke-dashoffset 1.1s cubic-bezier(.22,.9,.28,1)}
.conn-switch:checked~.demo-gauge .ring-fg{stroke-dashoffset:96}
.gauge-val{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.gauge-val b{font-size:36px;font-weight:800;letter-spacing:-.02em}
.gauge-val span{font-size:12.5px;color:#8FA3C2;letter-spacing:.06em}
.gauge-cap{font-size:12.5px;color:#8FA3C2;margin-top:2px}
.demo-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px}
.demo-metrics>div{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:11px 8px;text-align:center}
.demo-metrics em{display:block;font-style:normal;font-size:11.8px;color:#8FA3C2}
.demo-metrics b{font-size:15.5px;font-weight:800;color:#EAF2FF}
.conn-btn{display:flex;align-items:center;justify-content:center;width:100%;min-height:50px;border-radius:13px;background:var(--grad);color:#fff;font-weight:800;font-size:15.5px;cursor:pointer;transition:transform .2s;user-select:none}
.conn-btn:hover{transform:translateY(-2px)}
.conn-btn .t-on{display:none}
.conn-switch:checked~.conn-btn{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);box-shadow:none}
.conn-switch:checked~.conn-btn .t-on{display:inline}
.conn-switch:checked~.conn-btn .t-off{display:none}
.demo-node{margin-top:16px}
.node-label{font-size:12.5px;color:#8FA3C2;font-weight:700;display:block;margin-bottom:9px}
.node-list{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.node-list label{display:flex;align-items:center;gap:7px;font-size:13px;font-weight:600;color:#B9C8E0;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:10px;padding:9px 10px;cursor:pointer;min-height:42px;transition:border-color .2s,background .2s,color .2s}
.node-list input:checked+label{background:rgba(18,209,142,.15);border-color:rgba(18,209,142,.55);color:#C9FFE7}
.demo-feat{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{position:relative;display:inline-flex}
.chip label{display:inline-flex;align-items:center;gap:7px;font-size:12.8px;font-weight:600;color:#B9C8E0;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:8px 14px;cursor:pointer;min-height:40px;transition:.2s}
.chip label::before{content:"";width:9px;height:9px;border-radius:50%;background:#5B6C88;transition:.2s}
.chip-input:checked+label{color:#C9FFE7;border-color:rgba(18,209,142,.5);background:rgba(18,209,142,.13)}
.chip-input:checked+label::before{background:#12D18E;box-shadow:0 0 0 3px rgba(18,209,142,.22)}
/* stats band */
.stat-band{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.stat-item{text-align:center;padding:22px 12px;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);transition:transform .26s,box-shadow .26s}
.stat-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.stat-item .ico{font-size:26px;margin-bottom:8px}
.stat-item b{display:block;font-size:29px;font-weight:800;letter-spacing:-.02em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-item span{font-size:13.5px;color:var(--muted)}
/* grids */
.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)}
.g5{grid-template-columns:repeat(5,1fr)}
.g6{grid-template-columns:repeat(6,1fr)}
.feat-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 22px;box-shadow:var(--shadow);transition:transform .26s,box-shadow .26s,border-color .26s;height:100%}
.feat-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-lg);border-color:rgba(59,130,246,.35)}
.feat-ico{width:50px;height:50px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:23px;background:linear-gradient(135deg,rgba(18,209,142,.16),rgba(59,130,246,.16));margin-bottom:15px}
.feat-card h3{font-size:17.5px;font-weight:750;margin-bottom:9px;letter-spacing:-.01em}
.feat-card p{font-size:14.6px;color:var(--muted)}
.sec-dark .feat-card{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.11);box-shadow:none}
.sec-dark .feat-card p{color:#9DB0CC}
.sec-dark .feat-card h3{color:#fff}
.sec-dark .feat-ico{background:rgba(18,209,142,.14)}
/* node section */
.node-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:start}
.node-panel{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
.node-row{display:grid;grid-template-columns:1.4fr .8fr .8fr .7fr;gap:10px;padding:14px 20px;border-bottom:1px solid var(--line);font-size:14.4px;align-items:center}
.node-row:last-child{border-bottom:none}
.node-row.hd{background:var(--bg);font-weight:700;color:var(--ink2);font-size:13px;letter-spacing:.04em;text-transform:uppercase}
.node-row .rg{display:flex;align-items:center;gap:9px;font-weight:650}
.bar{height:6px;border-radius:999px;background:var(--line);overflow:hidden;min-width:64px}
.bar i{display:block;height:100%;border-radius:999px;background:var(--grad)}
.speed-card{background:var(--dark);color:#fff;border-radius:18px;padding:26px;box-shadow:var(--shadow-lg)}
.speed-card h3{font-size:18px;font-weight:750;margin-bottom:18px}
.speed-line{margin-bottom:16px}
.speed-line .top{display:flex;justify-content:space-between;font-size:13.5px;margin-bottom:7px;color:#B9C8E0}
.speed-line .top b{color:#fff;font-size:14.5px}
.speed-line .bar{background:rgba(255,255,255,.12);height:8px}
.speed-line .bar i{background:linear-gradient(90deg,#12D18E,#3B82F6)}
.speed-note{font-size:12.8px;color:#8FA3C2;margin-top:14px;border-top:1px dashed rgba(255,255,255,.16);padding-top:13px}
/* steps */
.step-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 22px;box-shadow:var(--shadow);transition:transform .26s,box-shadow .26s}
.step-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-lg)}
.step-no{position:absolute;top:-16px;left:22px;width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px rgba(18,209,142,.32)}
.step-card h3{font-size:17px;font-weight:750;margin:16px 0 9px}
.step-card p{font-size:14.6px;color:var(--muted)}
/* scenario */
.scene-card{display:flex;gap:15px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow);transition:transform .26s,box-shadow .26s;height:100%;scroll-margin-top:100px}
.scene-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.scene-ico{flex:0 0 46px;width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:22px;background:linear-gradient(135deg,rgba(124,92,255,.16),rgba(18,209,142,.18))}
.scene-card h3{font-size:16.5px;font-weight:750;margin-bottom:7px}
.scene-card p{font-size:14.3px;color:var(--muted)}
/* pricing */
.plan-card{position:relative;background:#fff;border:1.5px solid var(--line);border-radius:18px;padding:32px 26px;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .26s,box-shadow .26s,border-color .26s}
.plan-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-lg)}
.plan-card.hot{border-color:transparent;background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;border:2px solid transparent;box-shadow:0 24px 56px rgba(59,130,246,.2)}
.plan-tag{position:absolute;top:-14px;right:24px;background:var(--grad);color:#fff;font-size:12.5px;font-weight:700;padding:6px 15px;border-radius:999px}
.plan-card h3{font-size:18.5px;font-weight:750}
.plan-desc{font-size:13.8px;color:var(--muted);margin-top:6px}
.plan-price{margin:18px 0 6px;font-size:38px;font-weight:800;letter-spacing:-.03em;line-height:1}
.plan-price small{font-size:15px;font-weight:600;color:var(--muted);letter-spacing:0}
.plan-list{margin:20px 0 26px;display:grid;gap:10px}
.plan-list li{font-size:14.4px;color:var(--ink2);display:flex;gap:9px;align-items:flex-start}
.plan-list li::before{content:"✓";color:var(--brand);font-weight:800;flex:0 0 auto}
.plan-card .btn{margin-top:auto}
/* faq */
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:13px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:19px 54px 19px 22px;font-size:16px;font-weight:700;position:relative;min-height:56px;display:flex;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:24px;font-weight:400;color:var(--brand2);transition:transform .28s}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-item .ans{padding:0 22px 20px;font-size:14.8px;color:var(--muted)}
.faq-item[open] summary{color:var(--brand2)}
/* testimonials */
.quote-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow);height:100%;transition:transform .26s,box-shadow .26s}
.quote-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.stars{color:#FFB020;font-size:14.5px;letter-spacing:2px;margin-bottom:11px}
.quote-card p{font-size:14.7px;color:var(--ink2)}
.who{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:16px;flex:0 0 auto}
.who b{display:block;font-size:14.6px}
.who span{font-size:12.8px;color:var(--muted)}
/* news cards */
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .26s,box-shadow .26s}
.news-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-lg)}
.news-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg)}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.news-card:hover .thumb img{transform:scale(1.06)}
.news-card .tag{position:absolute;top:12px;left:12px;background:rgba(8,15,31,.78);color:#fff;font-size:12px;font-weight:700;padding:5px 11px;border-radius:999px;backdrop-filter:blur(6px)}
.news-card .body{padding:20px;display:flex;flex-direction:column;flex:1}
.news-card h3{font-size:16.6px;font-weight:730;line-height:1.5;margin-bottom:10px}
.news-card p{font-size:14.2px;color:var(--muted);flex:1}
.news-meta{display:flex;align-items:center;justify-content:space-between;margin-top:16px;font-size:13px;color:var(--muted)}
.news-meta .more{color:var(--brand2);font-weight:700}
/* cta band */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(120deg,#0B1730,#122A4A 55%,#0E3B39);color:#fff;border-radius:24px;padding:56px 44px;text-align:center}
.cta-band::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:rgba(18,209,142,.28);filter:blur(90px);top:-180px;right:-90px}
.cta-band h2{position:relative;font-size:clamp(24px,3vw,36px);font-weight:800;letter-spacing:-.02em}
.cta-band p{position:relative;color:#A7B8D4;margin:14px auto 28px;max-width:620px}
.cta-band .hero-btns{justify-content:center;margin-top:26px}
/* footer */
.site-foot{background:var(--dark);color:#93A6C4;padding:62px 0 26px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.foot-brand .logo{margin-bottom:14px}
.foot-brand p{font-size:14.2px;max-width:300px}
.foot-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:15px}
.foot-col a{display:block;font-size:14.2px;padding:6px 0;color:#93A6C4}
.foot-col a:hover{color:#12D18E}
.foot-bottom{margin-top:42px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13.4px}
.foot-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
.foot-bottom a:hover{color:#12D18E}
.to-top{position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:13px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:19px;box-shadow:0 12px 28px rgba(18,209,142,.34);opacity:0;visibility:hidden;transition:.3s;z-index:900;cursor:pointer;border:none}
.to-top.show{opacity:1;visibility:visible}
/* inner pages */
.page-hero{position:relative;background:var(--dark);color:#fff;padding:126px 0 62px;overflow:hidden}
.page-hero::after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:rgba(59,130,246,.34);filter:blur(90px);top:-170px;left:8%}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{font-size:clamp(26px,3.6vw,42px);font-weight:800;letter-spacing:-.025em}
.page-hero p{color:#A7B8D4;margin-top:14px;max-width:680px}
.crumbs{font-size:13.4px;color:#8FA3C2;margin-bottom:14px;display:flex;gap:8px;flex-wrap:wrap}
.crumbs a:hover{color:#12D18E}
.crumbs span.sep{opacity:.5}
.crumbs.light{color:var(--muted)}
.crumbs.light a:hover{color:var(--brand2)}
.prose{max-width:900px}
.prose h2{font-size:24px;font-weight:780;margin:34px 0 12px;letter-spacing:-.015em;scroll-margin-top:96px}
.prose h3{font-size:18.5px;font-weight:730;margin:24px 0 10px}
.prose p{margin-bottom:15px;color:var(--ink2);font-size:15.6px}
.prose ul{margin:0 0 16px 4px;display:grid;gap:9px}
.prose ul li{font-size:15.4px;color:var(--ink2);padding-left:22px;position:relative}
.prose ul li::before{content:"•";position:absolute;left:4px;color:var(--brand2);font-weight:800}
.note-box{background:var(--bg);border-left:4px solid var(--brand);border-radius:10px;padding:16px 18px;font-size:14.6px;color:var(--ink2);margin:18px 0}
/* download */
.dl-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:46px;align-items:center}
.dl-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px;max-width:520px}
.dl-version{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow);transition:transform .26s,box-shadow .26s}
.dl-version:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.dl-version h3{font-size:17.5px;font-weight:750;display:flex;align-items:center;gap:10px}
.badge{font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;background:var(--bg);color:var(--muted);border:1px solid var(--line)}
.badge.on{background:rgba(18,209,142,.14);color:#0E9E6E;border-color:rgba(18,209,142,.35)}
.req-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.req-item{display:flex;gap:13px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shadow)}
.req-item .ico{font-size:21px;flex:0 0 auto}
.req-item b{display:block;font-size:14.8px}
.req-item span{font-size:13.6px;color:var(--muted)}
/* article */
.post-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start}
.post-head h1{font-size:clamp(24px,3.2vw,36px);font-weight:800;line-height:1.3;letter-spacing:-.02em;margin-bottom:16px}
.post-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13.8px;color:var(--muted);padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:24px}
.post-cover{border-radius:16px;overflow:hidden;margin-bottom:26px;box-shadow:var(--shadow)}
.post-cover img{width:100%;height:auto}
.post-body p{margin-bottom:17px;font-size:16px;color:var(--ink2);line-height:1.85}
.post-body h2{font-size:22.5px;font-weight:780;margin:34px 0 14px;letter-spacing:-.015em;scroll-margin-top:96px;padding-left:14px;border-left:4px solid var(--brand2)}
.post-body img{border-radius:14px;margin:8px 0 22px;width:100%;height:auto}
.post-body .cap{font-size:13.4px;color:var(--muted);text-align:center;margin:-16px 0 22px}
.lead{font-size:16.6px;color:var(--ink);background:var(--bg);border-radius:12px;padding:18px 20px;border-left:4px solid var(--brand)}
.data-table{width:100%;border-collapse:collapse;margin:8px 0 22px;font-size:14.6px;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.data-table th,.data-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
.data-table th{background:var(--bg);font-weight:700;font-size:13.4px;color:var(--ink2)}
.data-table tr:last-child td{border-bottom:none}
.pager{display:flex;justify-content:space-between;gap:14px;margin:34px 0 10px;flex-wrap:wrap}
.pager a{flex:1 1 260px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow);font-size:14.4px;transition:transform .22s,border-color .22s}
.pager a:hover{transform:translateY(-4px);border-color:var(--brand2)}
.pager a span{display:block;font-size:12.6px;color:var(--muted);margin-bottom:5px}
.pager a b{font-weight:700}
.back-list{display:inline-flex;margin-top:16px;font-size:14.4px;font-weight:700;color:var(--brand2)}
.related{margin-top:44px;padding-top:30px;border-top:1px solid var(--line)}
.related h3{font-size:19px;font-weight:770;margin-bottom:20px}
.post-side{position:sticky;top:88px;display:grid;gap:20px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow)}
.side-card h4{font-size:15.5px;font-weight:750;padding-left:12px;position:relative;margin-bottom:16px}
.side-card h4::before{content:"";position:absolute;left:0;top:2px;bottom:2px;width:4px;border-radius:3px;background:var(--grad)}
.toc-list{position:relative;padding-left:18px;border-left:2px solid var(--line);display:grid;gap:12px}
.toc-list a{position:relative;display:block;font-size:14.2px;color:var(--muted);transition:color .2s}
.toc-list a::before{content:"";position:absolute;left:-24px;top:8px;width:9px;height:9px;border-radius:50%;background:#fff;border:2px solid var(--line);transition:.2s}
.toc-list a:hover{color:var(--brand2)}
.toc-list a.active{color:var(--brand2);font-weight:700}
.toc-list a.active::before{background:var(--brand);border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,209,142,.18)}
.hot-list{display:grid;gap:12px}
.hot-list a{display:flex;gap:11px;font-size:14px;color:var(--ink2);align-items:flex-start;line-height:1.5}
.hot-list a:hover{color:var(--brand2)}
.hot-list .rk{flex:0 0 22px;width:22px;height:22px;border-radius:7px;background:#EEF2F8;color:#8496AF;font-size:12.4px;font-weight:800;display:flex;align-items:center;justify-content:center;transition:transform .2s}
.hot-list a:hover .rk{transform:scale(1.12)}
.hot-list .r1{background:var(--grad);color:#fff}
.hot-list .r2{background:linear-gradient(135deg,#FF9A3C,#FF7A00);color:#fff}
.hot-list .r3{background:linear-gradient(135deg,#F7CE5B,#E0A800);color:#fff}
.tag-list{display:flex;flex-wrap:wrap;gap:9px}
.tag-list span{font-size:13px;font-weight:600;color:var(--muted);background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:7px 13px;cursor:pointer;transition:.2s}
.tag-list span:hover{color:var(--brand2);border-color:var(--brand2);background:#fff}
/* comments */
.comments{margin-top:44px;padding-top:30px;border-top:1px solid var(--line)}
.comments h3{font-size:19px;font-weight:770;margin-bottom:22px}
.comment{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.comment:last-child{border-bottom:none}
.comment .avatar{width:44px;height:44px;font-size:17px}
.comment .ctop{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:7px}
.comment .ctop b{font-size:15px}
.comment .ctop time{font-size:12.8px;color:var(--muted)}
.comment p{font-size:14.6px;color:var(--ink2)}
.comment .stars{font-size:13px;margin:0}
/* 404 */
.err-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--dark);color:#fff;text-align:center;padding:80px 24px}
.err-code{font-size:clamp(72px,16vw,150px);font-weight:800;letter-spacing:-.05em;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.err-wrap h1{font-size:clamp(22px,3vw,30px);font-weight:800;margin:12px 0 12px}
.err-wrap p{color:#A7B8D4;max-width:520px;margin:0 auto 28px}
.countdown{color:#12D18E;font-weight:800}
/* sitemap */
.map-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.map-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow)}
.map-card h3{font-size:17px;font-weight:750;margin-bottom:14px}
.map-card a{display:block;font-size:14.5px;color:var(--ink2);padding:7px 0;border-bottom:1px dashed var(--line)}
.map-card a:last-child{border-bottom:none}
.map-card a:hover{color:var(--brand2)}
/* reveal */
html.js .reveal{opacity:0;transform:translateY(20px)}
html.js .reveal.in{opacity:1;transform:none;transition:opacity .7s ease,transform .7s cubic-bezier(.22,.9,.28,1)}
html.js .reveal.d1.in{transition-delay:.08s}
html.js .reveal.d2.in{transition-delay:.16s}
html.js .reveal.d3.in{transition-delay:.24s}
/* responsive */
@media (max-width:992px){
.nav-toggle-label{display:flex}
.nav-menu{position:fixed;top:70px;left:0;right:0;background:rgba(8,15,31,.98);backdrop-filter:blur(16px);flex-direction:column;align-items:stretch;gap:0;padding:12px 20px 26px;max-height:calc(100vh - 70px);overflow-y:auto;display:none;box-shadow:0 22px 44px rgba(0,0,0,.4)}
.nav-toggle:checked~.nav-menu{display:flex}
.nav-link{justify-content:space-between;padding:14px 4px;font-size:16px;border-bottom:1px solid rgba(255,255,255,.08);border-radius:0}
.dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:rgba(255,255,255,.05);padding:0;max-height:0;overflow:hidden;border-radius:10px;transition:max-height .32s ease,padding .32s ease}
.nav-menu>li:hover .dropdown{max-height:0;padding:0}
.nav-menu>li .dd-input:checked~.dropdown{max-height:420px;padding:8px;margin:6px 0}
.dropdown a{color:#CDD9EC;font-size:15px}
.dropdown a:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-cta .btn{display:none}
.hero{padding:112px 0 70px}
.hero-grid,.dl-grid,.node-wrap,.post-wrap{grid-template-columns:1fr;gap:38px}
.hero-sub{max-width:none}
.stat-band,.g5{grid-template-columns:repeat(3,1fr)}
.g6{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(2,1fr)}
.post-side{position:static;grid-template-columns:1fr}
.foot-grid{grid-template-columns:1fr 1fr}
.map-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
.sec{padding:62px 0}
.sec-head{margin-bottom:36px}
.container{padding:0 18px}
.g3,.g4,.g6,.stat-band,.g5{grid-template-columns:repeat(2,1fr)}
.hero-stats{grid-template-columns:repeat(3,1fr);gap:10px}
.hstat b{font-size:19px}
.hero-btns .btn{flex:1 1 100%}
.cta-band{padding:40px 22px}
.demo-metrics{grid-template-columns:repeat(3,1fr)}
.node-row{grid-template-columns:1.5fr .9fr .9fr;font-size:13.4px;padding:12px 14px}
.node-row .col-hide{display:none}
.req-list{grid-template-columns:1fr}
.dl-meta{grid-template-columns:repeat(3,1fr)}
.post-meta{gap:12px;font-size:13px}
.page-hero{padding:104px 0 48px}
}
@media (max-width:480px){
.container{padding:0 15px}
.sec{padding:52px 0}
.g3,.g4,.g6,.stat-band,.g5{grid-template-columns:1fr}
.hero{padding:100px 0 56px}
.demo-card{padding:16px}
.demo-gauge,.demo-gauge svg{width:172px;height:172px}
.node-list{grid-template-columns:1fr}
.hero-stats{grid-template-columns:1fr}
.hstat{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:13px 15px}
.hstat span{order:2}
.dl-meta{grid-template-columns:1fr}
.plan-card{padding:24px 18px}
.foot-grid{grid-template-columns:1fr;gap:24px}
.map-grid{grid-template-columns:1fr}
.foot-bottom{flex-direction:column}
.pager a{flex:1 1 100%}
.demo-metrics{grid-template-columns:repeat(3,1fr);gap:7px}
.demo-metrics b{font-size:13.6px}
}