:root{
--brand:#ff4d2d;--brand2:#ff9f1c;--brand-grad:linear-gradient(135deg,#ff6a00 0%,#ff2d55 100%);
--ink:#0f1729;--ink2:#1b2740;--muted:#5d6880;--line:#e7eaf2;--bg:#ffffff;--bg2:#f5f7fb;--bg3:#eef2f9;
--cyan:#25d3ff;--green:#17c964;--white:#fff;--radius:16px;--radius-sm:10px;
--shadow:0 10px 30px rgba(16,28,48,.08);--shadow-lg:0 24px 55px rgba(16,28,48,.18);
--maxw:1200px;--header-h:72px;--ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;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;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tint{background:var(--bg2)}
.section--dark{background:linear-gradient(160deg,#0b1326 0%,#131f3b 100%);color:#fff}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);margin-bottom:14px}
.sec-head{max-width:720px;margin:0 auto 50px;text-align:center}
.sec-head h2{font-size:clamp(26px,3.4vw,40px);margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:17px;margin:0}
.section--dark .sec-head p{color:#aab6cf}
.grad-text{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:999px;font-weight:700;font-size:15px;border:2px solid transparent;cursor:pointer;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s;white-space:nowrap}
.btn--primary{background:var(--brand-grad);color:#fff;box-shadow:0 12px 26px rgba(255,77,45,.35)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,77,45,.45)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn--ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn--outline{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--outline:hover{border-color:var(--brand);color:var(--brand)}
.btn--sm{padding:10px 20px;font-size:14px}
.btn--block{display:flex;width:100%}

.reveal{opacity:1;transform:none;transition:opacity .7s var(--ease),transform .7s var(--ease)}
html.js .reveal{opacity:0;transform:translateY(26px)}
html.js .reveal.in{opacity:1;transform:none}

.site-header{position:fixed;inset:0 0 auto 0;height:var(--header-h);z-index:1000;background:rgba(10,17,32,.62);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.08);transition:background .3s}
.site-header.scrolled{background:rgba(9,15,28,.94);box-shadow:0 8px 30px rgba(0,0,0,.28)}
.nav{height:var(--header-h);display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:900;font-size:19px;letter-spacing:-.02em}
.brand img{width:34px;height:34px;border-radius:9px;background:#fff;padding:3px;box-shadow:0 4px 12px rgba(0,0,0,.25)}
.brand small{display:block;font-size:10px;font-weight:600;letter-spacing:.18em;color:var(--brand2);text-transform:uppercase}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-item{position:relative}
.nav-link{display:inline-flex;align-items:center;gap:6px;padding:10px 15px;border-radius:10px;color:#e7edf9;font-size:15px;font-weight:600;transition:color .2s,background .2s;background:none;border:0;cursor:pointer;line-height:1}
.nav-link:hover,.nav-item:focus-within .nav-link{color:#fff;background:rgba(255,255,255,.08)}
.nav-arrow{font-size:10px;transition:transform .3s}
.nav-item:hover .nav-arrow,.nav-item:focus-within .nav-arrow{transform:rotate(180deg)}
.dropdown{position:absolute;top:calc(100% + 12px);left:0;min-width:280px;background:#fff;color:var(--ink);border-radius:14px;box-shadow:0 24px 60px rgba(10,20,40,.22);padding:12px;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s;border:1px solid var(--line)}
.nav-item:hover .dropdown,.nav-item:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:11px 14px;border-radius:10px;font-size:14.5px;color:var(--ink2);transition:background .18s,color .18s}
.dropdown a:hover{background:var(--bg2);color:var(--brand)}
.dropdown a b{display:block;font-weight:700;font-size:14.5px}
.dropdown a span{display:block;font-size:12.5px;color:var(--muted);margin-top:2px}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-toggle{display:none}
.nav-toggle-label{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;cursor:pointer;border-radius:10px;background:rgba(255,255,255,.08)}
.nav-toggle-label span{display:block;height:2px;width:22px;margin:0 auto;background:#fff;border-radius:2px;transition:transform .3s,opacity .3s}
.nav-toggle:checked ~ .nav-menu{transform:translateX(0)}
.nav-toggle:checked ~ .nav-cta .nav-toggle-label span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle:checked ~ .nav-cta .nav-toggle-label span:nth-child(2){opacity:0}
.nav-toggle:checked ~ .nav-cta .nav-toggle-label span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.hero{position:relative;padding:calc(var(--header-h) + 72px) 0 96px;background:radial-gradient(1100px 600px at 80% -10%,rgba(255,77,45,.28),transparent 60%),radial-gradient(900px 500px at 5% 20%,rgba(37,211,255,.18),transparent 55%),linear-gradient(160deg,#0a1122 0%,#0f1a33 55%,#0a1122 100%);color:#fff;overflow:hidden}
.hero::before{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:48px 48px;mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 75%);-webkit-mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 75%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center}
.hero .eyebrow{color:var(--brand2)}
.hero h1{font-size:clamp(34px,4.6vw,58px);line-height:1.12;margin-bottom:20px}
.hero h1 .grad-text{display:inline-block}
.hero-lead{font-size:clamp(16px,1.5vw,19px);color:#c3cde3;max-width:560px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.hero-stats{display:flex;gap:40px;flex-wrap:wrap}
.hero-stats .hs b{display:block;font-size:clamp(24px,2.6vw,32px);font-weight:900;background:linear-gradient(120deg,#fff,#ffd8cc);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats .hs span{font-size:13.5px;color:#9fadc9}

.acc-panel{background:linear-gradient(170deg,rgba(255,255,255,.12),rgba(255,255,255,.04));border:1px solid rgba(255,255,255,.16);border-radius:22px;padding:26px;backdrop-filter:blur(8px);box-shadow:0 30px 70px rgba(0,0,0,.45);max-width:430px;margin-left:auto}
.acc-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.acc-top .acc-title{display:flex;align-items:center;gap:9px;font-weight:700;font-size:14.5px}
.acc-dot{width:9px;height:9px;border-radius:50%;background:#ff6a6a;box-shadow:0 0 0 4px rgba(255,106,106,.18);transition:background .3s,box-shadow .3s}
.acc-status{font-size:12px;color:#9fadc9;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.08)}
.acc-gauge{position:relative;width:190px;height:190px;margin:8px auto 6px;border-radius:50%;background:conic-gradient(from 220deg,#3a4763 0deg,#3a4763 260deg,transparent 260deg);transition:background .6s var(--ease);display:grid;place-items:center}
.acc-gauge::before{content:"";position:absolute;inset:14px;border-radius:50%;background:#0d1628;box-shadow:inset 0 2px 12px rgba(0,0,0,.5)}
.acc-gauge-center{position:relative;text-align:center}
.acc-gauge-center b{display:block;font-size:46px;font-weight:900;line-height:1;background:linear-gradient(120deg,#fff,#9fe9ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.acc-gauge-center small{font-size:12px;color:#9fadc9;letter-spacing:.06em}
#acc-connect:checked ~ .acc-gauge{background:conic-gradient(from 220deg,#17c964 0deg,#25d3ff 200deg,#17c964 300deg,transparent 300deg)}
#acc-connect:checked ~ .acc-top .acc-dot{background:var(--green);box-shadow:0 0 0 4px rgba(23,201,100,.22)}
.acc-result{display:flex;justify-content:center;gap:26px;font-size:12.5px;color:#9fadc9;margin:4px 0 18px}
.acc-result b{color:#fff;font-weight:800;font-size:15px}
.acc-nodes{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:14px}
.acc-nodes input{position:absolute;opacity:0;width:1px;height:1px}
.acc-nodes label{display:flex;align-items:center;gap:8px;padding:9px 11px;border-radius:10px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);font-size:12.5px;cursor:pointer;transition:background .2s,border-color .2s}
.acc-nodes label::before{content:"";width:7px;height:7px;border-radius:50%;background:#5b6b8f;flex:0 0 auto}
.acc-nodes input:checked + label{background:rgba(255,77,45,.18);border-color:rgba(255,122,90,.6);color:#fff}
.acc-nodes input:checked + label::before{background:var(--brand2);box-shadow:0 0 8px var(--brand2)}
.acc-toggles{display:flex;gap:10px;margin-bottom:16px}
.acc-toggle{flex:1;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 10px;border-radius:10px;background:rgba(255,255,255,.05);font-size:12px;color:#c3cde3}
.switch{position:relative;width:34px;height:19px;flex:0 0 auto}
.switch input{position:absolute;opacity:0;width:100%;height:100%;margin:0;cursor:pointer;z-index:2}
.switch .track{position:absolute;inset:0;border-radius:999px;background:#3a4763;transition:background .25s}
.switch .track::after{content:"";position:absolute;top:2px;left:2px;width:15px;height:15px;border-radius:50%;background:#fff;transition:transform .25s var(--ease)}
.switch input:checked + .track{background:var(--brand)}
.switch input:checked + .track::after{transform:translateX(15px)}
.acc-connect-btn{display:block;text-align:center;padding:15px;border-radius:12px;background:var(--brand-grad);color:#fff;font-weight:800;font-size:15px;cursor:pointer;box-shadow:0 14px 30px rgba(255,77,45,.4);transition:transform .2s,box-shadow .2s}
.acc-connect-btn:hover{transform:translateY(-1px)}
.acc-connect-btn .t-on{display:none}
#acc-connect:checked ~ .acc-connect-btn{background:linear-gradient(135deg,#0f9d58,#17c964);box-shadow:0 14px 30px rgba(23,201,100,.35)}
#acc-connect:checked ~ .acc-connect-btn .t-off{display:none}
#acc-connect:checked ~ .acc-connect-btn .t-on{display:inline}

.data-strip{background:var(--bg2);border-bottom:1px solid var(--line)}
.data-strip .container{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:40px 24px}
.data-item{text-align:center}
.data-item b{display:block;font-size:clamp(26px,3vw,36px);font-weight:900;color:var(--brand)}
.data-item span{font-size:14px;color:var(--muted)}

.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent}
.card .ico{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:24px;background:linear-gradient(135deg,rgba(255,106,0,.14),rgba(255,45,85,.14));margin-bottom:16px}
.card h3{font-size:18px;margin-bottom:8px}
.card p{color:var(--muted);font-size:14.5px;margin:0}

.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.node-map{background:linear-gradient(160deg,#0d1730,#16233f);border-radius:20px;padding:26px;color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}
.node-map::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle,rgba(255,255,255,.08) 1px,transparent 1px);background-size:26px 26px;opacity:.6;pointer-events:none}
.node-map h3{position:relative;font-size:17px;margin-bottom:4px}
.node-map .sub{position:relative;color:#9fadc9;font-size:13px;margin-bottom:20px}
.node-list{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.node{display:flex;align-items:center;gap:10px;padding:12px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);font-size:13.5px;transition:background .3s,border-color .3s,transform .3s}
.node:hover{background:rgba(255,77,45,.14);border-color:rgba(255,122,90,.5);transform:translateY(-2px)}
.node .pulse{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 0 rgba(23,201,100,.7);animation:pulse 2s infinite;flex:0 0 auto}
.node b{margin-left:auto;font-weight:700;color:#9fe9ff}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(23,201,100,.6)}70%{box-shadow:0 0 0 8px rgba(23,201,100,0)}100%{box-shadow:0 0 0 0 rgba(23,201,100,0)}}
.speed-list{display:grid;gap:18px}
.speed-row{display:grid;grid-template-columns:130px 1fr 70px;align-items:center;gap:14px;font-size:14.5px}
.speed-row b{text-align:right;font-weight:800;color:var(--brand)}
.speed-bar{height:11px;border-radius:999px;background:var(--bg3);overflow:hidden}
.speed-fill{height:100%;border-radius:999px;background:var(--brand-grad);width:0;transition:width 1.1s var(--ease)}
html.js .speed-fill{width:0}
html.js .in .speed-fill{width:var(--w)}
.speed-fill{width:var(--w)}
.speed-note{color:var(--muted);font-size:13px;margin-top:6px}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px}
.step .num{width:44px;height:44px;border-radius:12px;background:var(--brand-grad);color:#fff;font-weight:900;display:grid;place-items:center;font-size:20px;margin-bottom:16px;box-shadow:0 10px 22px rgba(255,77,45,.3)}
.step h3{font-size:18px;margin-bottom:8px}
.step p{color:var(--muted);font-size:14.5px;margin:0}

.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price{background:#fff;border:1px solid var(--line);border-radius:20px;padding:32px 28px;display:flex;flex-direction:column;transition:transform .3s var(--ease),box-shadow .3s}
.price:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.price--pop{background:linear-gradient(170deg,#121d36,#0d1730);color:#fff;border-color:transparent;position:relative;box-shadow:0 26px 60px rgba(13,23,48,.35)}
.price--pop .price-name,.price--pop .price-desc{color:#c3cde3}
.price--pop li{color:#d5dcec}
.price--pop li::before{color:var(--brand2)}
.price-badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--brand-grad);color:#fff;font-size:12px;font-weight:800;padding:5px 16px;border-radius:999px;box-shadow:0 8px 18px rgba(255,77,45,.4)}
.price-name{font-size:19px;margin-bottom:6px}
.price-desc{color:var(--muted);font-size:13.5px;margin-bottom:18px}
.price .amount{font-size:40px;font-weight:900;line-height:1;margin-bottom:4px}
.price .amount small{font-size:15px;font-weight:600;color:var(--muted)}
.price--pop .amount small{color:#9fadc9}
.price ul{margin:22px 0;display:grid;gap:11px;flex:1}
.price li{display:flex;gap:10px;font-size:14.5px;color:var(--ink2)}
.price li::before{content:"✓";color:var(--brand);font-weight:900}

.faq{max-width:860px;margin:0 auto;display:grid;gap:14px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0;overflow:hidden;transition:box-shadow .3s,border-color .3s}
.faq details[open]{box-shadow:var(--shadow);border-color:rgba(255,77,45,.3)}
.faq summary{list-style:none;cursor:pointer;padding:20px 24px;font-weight:700;font-size:16px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;font-weight:400;color:var(--brand);transition:transform .3s;line-height:1}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .answer{padding:0 24px 22px;color:var(--muted);font-size:14.5px;line-height:1.8}

.tst{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:14px}
.tst .stars{color:#ffb020;font-size:15px;letter-spacing:2px}
.tst p{color:var(--ink2);font-size:14.5px;margin:0;flex:1}
.tst .who{display:flex;align-items:center;gap:12px}
.tst .avatar{width:44px;height:44px;border-radius:50%;background:var(--brand-grad);color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px;flex:0 0 auto}
.tst .who b{display:block;font-size:14.5px}
.tst .who span{font-size:12.5px;color:var(--muted)}

.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.news-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg3)}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.news-card:hover .thumb img{transform:scale(1.05)}
.news-card .tag{position:absolute;top:12px;left:12px;background:rgba(10,17,32,.78);color:#fff;font-size:12px;padding:4px 10px;border-radius:999px}
.news-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card .date{font-size:12.5px;color:var(--muted)}
.news-card h3{font-size:17px;line-height:1.4}
.news-card p{color:var(--muted);font-size:14px;margin:0;flex:1}
.news-card .more{color:var(--brand);font-weight:700;font-size:14px}

.cta-band{position:relative;background:linear-gradient(135deg,#ff6a00,#ff2d55);color:#fff;border-radius:26px;padding:60px 40px;text-align:center;overflow:hidden;box-shadow:0 30px 70px rgba(255,77,45,.35)}
.cta-band::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle,rgba(255,255,255,.14) 1px,transparent 1px);background-size:24px 24px;opacity:.5}
.cta-band h2{position:relative;font-size:clamp(26px,3.6vw,40px);margin-bottom:14px}
.cta-band p{position:relative;font-size:17px;opacity:.95;margin-bottom:30px}
.cta-band .hero-actions{position:relative;justify-content:center;margin:0}
.cta-band .btn--ghost{border-color:rgba(255,255,255,.7)}

.site-footer{background:#0a1122;color:#aab6cf;padding:64px 0 30px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px}
.foot-brand .brand{color:#fff;margin-bottom:16px}
.foot-brand p{font-size:14px;line-height:1.8;max-width:300px}
.foot-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.foot-col a{display:block;padding:6px 0;font-size:14px;color:#aab6cf;transition:color .2s}
.foot-col a:hover{color:var(--brand2)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;font-size:13px}
.foot-bottom nav{display:flex;gap:20px;flex-wrap:wrap}
.foot-bottom a:hover{color:#fff}
.back-top{position:fixed;right:22px;bottom:22px;width:48px;height:48px;border-radius:50%;background:var(--brand-grad);color:#fff;display:grid;place-items:center;font-size:20px;box-shadow:0 12px 28px rgba(255,77,45,.4);opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s,transform .3s;z-index:900;border:0;cursor:pointer}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{transform:translateY(-3px)}

.page-hero{padding:calc(var(--header-h) + 64px) 0 56px;background:linear-gradient(160deg,#0a1122,#0f1a33);color:#fff;text-align:center;position:relative;overflow:hidden}
.page-hero::before{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:48px 48px;mask-image:radial-gradient(circle at 50% 40%,#000,transparent 75%);-webkit-mask-image:radial-gradient(circle at 50% 40%,#000,transparent 75%)}
.page-hero .container{position:relative}
.page-hero h1{font-size:clamp(28px,4vw,46px);margin-bottom:14px}
.page-hero p{color:#c3cde3;font-size:17px;max-width:680px;margin:0 auto}
.breadcrumb{display:flex;gap:8px;flex-wrap:wrap;font-size:13px;color:#9fadc9;margin-bottom:18px;justify-content:center}
.breadcrumb a:hover{color:#fff}
.breadcrumb span{opacity:.6}

.prose{max-width:820px;margin:0 auto}
.prose h2{font-size:26px;margin:38px 0 16px;padding-top:8px}
.prose h3{font-size:20px;margin:28px 0 12px}
.prose p{color:#37425a;font-size:16.5px;line-height:1.9;margin-bottom:20px}
.prose ul{list-style:disc;padding-left:22px;margin-bottom:20px;color:#37425a}
.prose ul li{margin-bottom:8px}

.dl-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;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;display:flex;flex-direction:column;transition:transform .3s,box-shadow .3s}
.ver:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.ver .vtag{font-size:12.5px;font-weight:700;color:var(--brand);margin-bottom:8px}
.ver h3{font-size:20px;margin-bottom:6px}
.ver .meta{font-size:13.5px;color:var(--muted);margin-bottom:16px}
.ver ul{display:grid;gap:9px;margin-bottom:22px;flex:1}
.ver li{display:flex;gap:9px;font-size:14px;color:var(--ink2)}
.ver li::before{content:"✓";color:var(--brand);font-weight:900}
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.req{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}
.req b{display:block;font-size:13px;color:var(--muted);font-weight:600;margin-bottom:4px}
.req span{font-size:15.5px;font-weight:700}

.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start;padding:56px 0}
.article-main{min-width:0}
.article-head{margin-bottom:26px}
.article-head h1{font-size:clamp(26px,3.2vw,36px);margin-bottom:14px;line-height:1.3}
.article-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13.5px;color:var(--muted);margin-bottom:6px}
.article-main .cover{width:100%;border-radius:16px;margin:8px 0 28px}
.article-body h2{font-size:24px;margin:36px 0 14px;scroll-margin-top:96px}
.article-body p{color:#37425a;font-size:16.5px;line-height:1.9;margin-bottom:20px}
.article-body img{width:100%;border-radius:14px;margin:12px 0 24px}
.article-body blockquote{margin:26px 0;padding:18px 24px;border-left:4px solid var(--brand);background:var(--bg2);border-radius:0 12px 12px 0;color:var(--ink2);font-size:16px}
.article-body blockquote b{color:var(--brand)}
.article-body ul{list-style:disc;padding-left:22px;color:#37425a;margin-bottom:20px}
.article-body li{margin-bottom:8px}
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin:30px 0}
.article-tags a{font-size:13px;padding:6px 14px;border-radius:999px;background:var(--bg2);color:var(--muted);border:1px solid var(--line);transition:.2s}
.article-tags a:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.pager{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin:34px 0;padding-top:24px;border-top:1px solid var(--line)}
.pager a{font-size:14px;color:var(--muted);max-width:48%}
.pager a:hover{color:var(--brand)}
.pager a b{display:block;color:var(--ink);font-size:15px;margin-top:2px}
.comments{margin-top:40px}
.comments h3{font-size:21px;margin-bottom:18px}
.comment{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.comment .avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#ffb020,#ff4d2d);color:#fff;display:grid;place-items:center;font-weight:800;flex:0 0 auto}
.comment .c-body b{font-size:14.5px}
.comment .c-body .c-date{font-size:12px;color:var(--muted);margin-left:8px}
.comment .c-body p{margin:6px 0 0;font-size:14.5px;color:#37425a}
.related{margin-top:44px}
.related h3{font-size:21px;margin-bottom:18px}
.related .news-grid{grid-template-columns:repeat(3,1fr);gap:18px}
.side{position:sticky;top:calc(var(--header-h) + 20px);display:grid;gap:20px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 22px;box-shadow:var(--shadow)}
.side-card h4{font-size:15px;margin-bottom:16px;padding-left:12px;position:relative}
.side-card h4::before{content:"";position:absolute;left:0;top:2px;bottom:2px;width:4px;border-radius:2px;background:var(--brand-grad)}
.toc{position:relative;border-left:2px solid var(--line);padding-left:18px;display:grid;gap:2px}
.toc a{display:block;font-size:13.5px;color:var(--muted);padding:6px 0;position:relative;transition:color .2s}
.toc a::before{content:"";position:absolute;left:-24px;top:50%;transform:translateY(-50%);width:9px;height:9px;border-radius:50%;background:#fff;border:2px solid var(--line);transition:.2s}
.toc a:hover,.toc a.active{color:var(--brand);font-weight:700}
.toc a.active::before{background:var(--brand);border-color:var(--brand)}
.hot-list{display:grid;gap:6px}
.hot-list a{display:flex;gap:12px;align-items:flex-start;padding:8px 0;font-size:13.5px;color:var(--ink2);transition:color .2s}
.hot-list a:hover{color:var(--brand)}
.hot-list .rk{flex:0 0 auto;width:22px;height:22px;border-radius:6px;display:grid;place-items:center;font-size:12px;font-weight:800;background:var(--bg3);color:var(--muted);transition:transform .2s}
.hot-list a:nth-child(1) .rk{background:linear-gradient(135deg,#ff6a00,#ff2d55);color:#fff}
.hot-list a:nth-child(2) .rk{background:linear-gradient(135deg,#ff9f1c,#ff7a00);color:#fff}
.hot-list a:nth-child(3) .rk{background:linear-gradient(135deg,#f5c542,#e6a100);color:#fff}
.hot-list a:hover .rk{transform:scale(1.12)}
.cat-list{display:flex;flex-wrap:wrap;gap:9px}
.cat-list a{font-size:12.5px;padding:6px 13px;border-radius:999px;border:1px solid var(--line);color:var(--muted);transition:.2s}
.cat-list a:hover{background:var(--brand);color:#fff;border-color:var(--brand)}

.sitemap-block{margin-bottom:30px}
.sitemap-block h2{font-size:20px;margin-bottom:14px}
.sitemap-block ul{display:grid;grid-template-columns:repeat(3,1fr);gap:8px 24px}
.sitemap-block a{font-size:14.5px;color:var(--muted);padding:6px 0;display:block;border-bottom:1px dashed var(--line)}
.sitemap-block a:hover{color:var(--brand)}

.center{text-align:center}
.mt-40{margin-top:40px}
.hidden{display:none!important}

@media(max-width:992px){
.hero-grid{grid-template-columns:1fr;gap:44px}
.acc-panel{margin:0 auto}
.grid-4{grid-template-columns:repeat(2,1fr)}
.grid-3,.steps,.price-grid,.news-grid,.ver-grid,.related .news-grid,.sitemap-block ul{grid-template-columns:repeat(2,1fr)}
.split,.dl-grid{grid-template-columns:1fr;gap:34px}
.foot-grid{grid-template-columns:1fr 1fr}
.article-wrap{grid-template-columns:1fr}
.side{position:static;grid-template-columns:1fr;grid-auto-rows:auto}
.nav-menu{position:fixed;top:var(--header-h);right:0;bottom:0;width:300px;max-width:86vw;background:#0b1326;flex-direction:column;align-items:stretch;padding:18px;gap:4px;transform:translateX(105%);transition:transform .3s var(--ease);overflow-y:auto;box-shadow:-20px 0 50px rgba(0,0,0,.4)}
.nav-item{width:100%}
.nav-link{width:100%;justify-content:space-between;padding:14px}
.dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;background:rgba(255,255,255,.06);border:0;color:#e7edf9;display:none;margin:4px 0 8px}
.nav-item:hover .dropdown{display:none}
.nav-arrow{transform:none!important}
.nav-item.open .dropdown{display:block}
.nav-toggle{display:block;position:absolute;opacity:0;width:44px;height:44px;right:24px;top:14px;z-index:1200}
.nav-toggle-label{display:flex}
.nav-cta .btn{display:none}
.req-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.section{padding:64px 0}
.hero{padding-top:calc(var(--header-h) + 48px)}
.grid-4,.grid-3,.steps,.price-grid,.news-grid,.ver-grid,.req-grid,.related .news-grid,.sitemap-block ul{grid-template-columns:1fr}
.data-strip .container{grid-template-columns:repeat(2,1fr);gap:28px 16px}
.hero-stats{gap:26px}
.foot-grid{grid-template-columns:1fr}
.foot-bottom{flex-direction:column;align-items:flex-start}
.cta-band{padding:44px 24px}
}
@media(max-width:480px){
.container{padding:0 16px}
.hero h1{font-size:30px}
.btn{padding:13px 22px;font-size:14.5px}
.hero-actions{gap:10px}
.hero-actions .btn{flex:1;justify-content:center}
.acc-nodes{grid-template-columns:1fr}
.acc-gauge{width:160px;height:160px}
.acc-gauge-center b{font-size:38px}
.speed-row{grid-template-columns:100px 1fr 58px}
.price,.card,.step{padding:22px 20px}
.page-hero{padding-top:calc(var(--header-h) + 44px)}
.article-head h1{font-size:24px}
}
@media(prefers-reduced-motion:reduce){
*{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}