:root{--primary:#3d7e10;--primary-deep:#2b5b0b;--primary-bright:#a8e63a;--primary-soft:#eef7dc;--primary-ink:#1c3c06;--accent:#e0235e;--accent-soft:#fde9ef;--ink:#131a0d;--text:#2a3123;--muted:#616d56;--bg:#f7f9f1;--surface:#ffffff;--dark:#101a0c;--dark-2:#182611;--dark-line:#2c3b22;--line:#dfe6d2;--line-2:#edf1e3;--white:#ffffff;--overlay:rgba(16,26,12,.72);--shadow-1:0 2px 8px rgba(24,38,17,.06);--shadow-2:0 10px 28px rgba(24,38,17,.09);--shadow-3:0 22px 54px rgba(24,38,17,.16);--grad:linear-gradient(118deg,#3d7e10 0%,#6fae18 52%,#a8e63a 100%);--grad-dark:linear-gradient(140deg,#182611 0%,#101a0c 100%);--radius:18px;--radius-sm:12px;--radius-lg:26px;--maxw:1180px;--ease:cubic-bezier(.22,.68,.35,1)}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--primary-deep)}
h1,h2,h3,h4{margin:0 0 .5em;color:var(--ink);line-height:1.28;letter-spacing:-.01em}
h1{font-size:clamp(30px,4vw,52px);letter-spacing:-.02em}
h2{font-size:clamp(24px,2.6vw,36px)}
h3{font-size:19px}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.3em}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-9999px;top:0;background:var(--dark);color:var(--white);padding:10px 18px;z-index:99}
.skip:focus{left:12px;top:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 26px;border-radius:999px;background:var(--grad);color:var(--white);font-weight:700;font-size:15px;border:1px solid transparent;box-shadow:0 10px 24px rgba(61,126,16,.28);transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease)}
.btn:hover{color:var(--white);transform:translateY(-3px);box-shadow:0 16px 32px rgba(61,126,16,.36)}
.btn:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--primary-ink);border:1.5px solid var(--line);box-shadow:none}
.btn-ghost:hover{color:var(--primary-ink);border-color:var(--primary);background:var(--primary-soft);box-shadow:var(--shadow-1)}
.btn-sm{min-height:40px;padding:0 20px;font-size:14px}
.btn-light{background:var(--white);color:var(--primary-ink);box-shadow:var(--shadow-1)}
.btn-light:hover{color:var(--primary-ink)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--primary);margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--primary)}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{max-width:720px;margin:0 auto 46px;text-align:center}
.section-head p{color:var(--muted);margin:0}
.section-dark{background:var(--grad-dark);color:var(--white)}
.section-dark h2,.section-dark h3{color:var(--white)}
.section-dark .section-head p,.section-dark p{color:rgba(255,255,255,.72)}
.hd{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(247,249,241,.82);backdrop-filter:blur(14px);border-bottom:1px solid rgba(223,230,210,.8);transition:background .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease)}
.hd.scrolled{background:rgba(16,26,12,.92);border-bottom-color:rgba(44,59,34,.9);box-shadow:0 12px 32px rgba(16,26,12,.24)}
.hd-in{display:flex;align-items:center;justify-content:space-between;gap:20px;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--ink);letter-spacing:-.01em}
.logo img{width:30px;height:30px;border-radius:8px}
.hd.scrolled .logo,.hd.scrolled .nav>a,.hd.scrolled .drop summary{color:var(--white)}
.nav{display:flex;align-items:center;gap:6px}
.nav>a,.drop summary{display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border-radius:999px;color:var(--text);font-size:15px;font-weight:600;cursor:pointer;list-style:none;transition:background .2s var(--ease),color .2s var(--ease)}
.drop summary::-webkit-details-marker{display:none}
.nav>a:hover,.drop summary:hover,.nav>a.active{background:var(--primary-soft);color:var(--primary-ink)}
.hd.scrolled .nav>a:hover,.hd.scrolled .drop summary:hover,.hd.scrolled .nav>a.active{background:rgba(255,255,255,.12);color:var(--primary-bright)}
.drop{position:relative}
.arw{width:7px;height:7px;border-right:1.8px solid currentColor;border-bottom:1.8px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .25s var(--ease)}
.drop[open] .arw{transform:rotate(225deg) translateY(-2px)}
.drop-panel{position:absolute;top:calc(100% + 12px);left:50%;transform:translateX(-50%) translateY(-6px);min-width:210px;background:var(--white);border-radius:14px;box-shadow:var(--shadow-3);padding:10px;opacity:0;visibility:hidden;transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s}
.drop[open] .drop-panel{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.drop-panel a{display:block;padding:9px 12px;border-radius:9px;color:var(--text);font-size:14px;font-weight:500}
.drop-panel a:hover{background:var(--primary-soft);color:var(--primary-ink)}
.nav-cta{margin-left:10px}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--white);cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s var(--ease),opacity .25s}
.nav-toggle{position:absolute;opacity:0;pointer-events:none}
.hero{position:relative;padding:130px 0 72px;overflow:hidden;background:radial-gradient(1200px 520px at 78% -8%,var(--primary-soft),transparent 62%),radial-gradient(900px 460px at 6% 12%,var(--accent-soft),transparent 58%),var(--bg)}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line-2) 1px,transparent 1px),linear-gradient(90deg,var(--line-2) 1px,transparent 1px);background-size:64px 64px;opacity:.55;mask-image:linear-gradient(to bottom,var(--ink) 0%,transparent 78%);-webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 78%);pointer-events:none}
.hero-in{position:relative;z-index:2;display:grid;grid-template-columns:1.04fr .96fr;gap:56px;align-items:center}
.hero h1{margin-bottom:16px}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:17px;color:var(--muted);max-width:520px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:520px}
.hero-stats div{background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.hero-stats b{display:block;font-size:24px;color:var(--primary-ink);letter-spacing:-.02em}
.hero-stats span{font-size:13px;color:var(--muted)}
.trust{display:flex;align-items:center;gap:10px;margin-top:20px;font-size:13px;color:var(--muted)}
.trust i{width:8px;height:8px;border-radius:50%;background:var(--primary-bright);box-shadow:0 0 0 4px rgba(168,230,58,.22);display:inline-block}
.demo{position:relative;background:var(--grad-dark);border-radius:var(--radius-lg);padding:20px;color:var(--white);box-shadow:0 34px 70px rgba(16,26,12,.34);border:1px solid var(--dark-line);transform:rotate(-1.2deg);transition:transform .4s var(--ease)}
.demo:hover{transform:rotate(0) translateY(-4px)}
.sw{position:absolute;opacity:0;pointer-events:none}
.demo-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:rgba(255,255,255,.74);margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--dark-line)}
.demo-brand{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--white);font-size:13px}
.demo-brand i{width:8px;height:8px;border-radius:50%;background:var(--muted);transition:background .3s var(--ease),box-shadow .3s var(--ease)}
.demo-badge{font-size:11px;padding:3px 9px;border-radius:999px;border:1px solid var(--dark-line);color:var(--primary-bright)}
.demo-main{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:center}
.gauge{position:relative;width:100%;max-width:186px;margin:0 auto}
.gauge svg{display:block;width:100%;height:auto}
.gauge-txt{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding-top:14px}
.gauge-txt b{font-size:32px;line-height:1;color:var(--white);letter-spacing:-.02em}
.gauge-txt span{font-size:12px;color:rgba(255,255,255,.6);margin-top:4px}
.needle{transform-origin:100px 100px;transform:rotate(-58deg);transition:transform .8s var(--ease)}
.sw:checked~.demo-main .needle{transform:rotate(52deg)}
.ring-arc{stroke-dasharray:252;stroke-dashoffset:252;transition:stroke-dashoffset 1.1s var(--ease)}
.sw:checked~.demo-main .ring-arc{stroke-dashoffset:38}
.metrics{display:grid;gap:8px}
.metrics div{display:flex;align-items:baseline;justify-content:space-between;gap:6px;background:rgba(255,255,255,.05);border:1px solid var(--dark-line);border-radius:11px;padding:9px 12px}
.metrics span{font-size:12px;color:rgba(255,255,255,.6)}
.metrics b{font-size:16px;color:var(--white);letter-spacing:-.01em}
.metrics em{font-style:normal;font-size:10px;color:rgba(255,255,255,.5);margin-left:2px}
.demo-nodes{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:14px 0}
.demo-nodes input{position:absolute;opacity:0;pointer-events:none}
.demo-nodes label{display:block;text-align:center;font-size:11px;line-height:1.4;padding:8px 4px;border-radius:9px;border:1px solid var(--dark-line);color:rgba(255,255,255,.7);cursor:pointer;transition:all .2s var(--ease)}
.demo-nodes input:checked+label{background:rgba(168,230,58,.14);border-color:var(--primary-bright);color:var(--primary-bright)}
.demo-nodes label:hover{border-color:var(--primary-bright)}
.demo-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:12px;border-top:1px solid var(--dark-line)}
.conn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;border-radius:999px;background:var(--grad);color:var(--primary-ink);font-weight:800;font-size:14px;cursor:pointer;transition:filter .2s var(--ease),box-shadow .2s var(--ease);box-shadow:0 10px 22px rgba(168,230,58,.2)}
.conn:hover{filter:brightness(1.07)}
.sw:checked~.demo-foot .conn{background:var(--dark-2);color:var(--primary-bright);border:1px solid var(--primary-bright);box-shadow:none}
.conn .on,.demo-state .on{display:none}
.sw:checked~.demo-foot .conn .off{display:none}
.sw:checked~.demo-foot .conn .on,.sw:checked~.demo-foot .demo-state .on{display:inline}
.sw:checked~.demo-foot .demo-state .off{display:none}
.sw:checked~.demo-bar .demo-brand i{background:var(--primary-bright);box-shadow:0 0 0 4px rgba(168,230,58,.18)}
.demo-state{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:rgba(255,255,255,.66)}
.demo-state i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block}
.sw:checked~.demo-foot .demo-state i{background:var(--primary-bright)}
.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface)}
.strip-in{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.strip-in div{padding:26px 20px;text-align:center;border-right:1px solid var(--line-2)}
.strip-in div:last-child{border-right:0}
.strip-in b{display:block;font-size:28px;color:var(--primary-ink);letter-spacing:-.02em}
.strip-in span{font-size:13px;color:var(--muted)}
.grid{display:grid;gap:20px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-1);transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease)}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-2);border-color:var(--primary-bright)}
.card .ico{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:13px;background:var(--primary-soft);font-size:21px;margin-bottom:16px}
.card h3{margin-bottom:8px;font-size:18px}
.card p{margin:0;color:var(--muted);font-size:14.5px}
.card .tag{display:inline-block;margin-top:14px;font-size:12px;font-weight:700;color:var(--primary);letter-spacing:.04em}
.node-wrap{display:grid;grid-template-columns:.92fr 1.08fr;gap:44px;align-items:center}
.node-list{display:grid;gap:12px}
.node-row{display:grid;grid-template-columns:96px 1fr 62px;align-items:center;gap:14px;font-size:14px}
.node-row b{font-weight:600;color:var(--ink)}
.bar{height:8px;border-radius:99px;background:var(--line-2);overflow:hidden}
.bar i{display:block;height:100%;border-radius:99px;background:var(--grad);width:var(--w,60%)}
.node-row em{font-style:normal;font-size:13px;color:var(--primary);font-weight:700;text-align:right}
.node-note{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.pill{display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;background:var(--primary-soft);color:var(--primary-ink);font-size:12.5px;font-weight:600;border:1px solid var(--line)}
.proto-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.proto{background:rgba(255,255,255,.045);border:1px solid var(--dark-line);border-radius:var(--radius);padding:24px;transition:border-color .25s var(--ease),background .25s var(--ease),transform .25s var(--ease)}
.proto:hover{border-color:var(--primary-bright);background:rgba(168,230,58,.07);transform:translateY(-4px)}
.proto b{display:block;font-size:26px;color:var(--primary-bright);margin-bottom:6px;letter-spacing:-.02em}
.proto h3{font-size:15px;margin-bottom:6px}
.proto p{font-size:13.5px;margin:0;color:rgba(255,255,255,.68)}
.scene{position:relative;overflow:hidden}
.scene .ico{background:var(--accent-soft)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step}
.step{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px 24px;box-shadow:var(--shadow-1)}
.step::before{counter-increment:step;content:"0" counter(step);position:absolute;right:20px;top:14px;font-size:38px;font-weight:800;color:var(--line-2);letter-spacing:-.03em}
.step h3{font-size:17px}
.step p{margin:0;color:var(--muted);font-size:14.5px}
.pricing{background:linear-gradient(180deg,var(--bg),var(--surface) 42%,var(--bg))}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.price{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 26px;display:flex;flex-direction:column;box-shadow:var(--shadow-1);transition:transform .28s var(--ease),box-shadow .28s var(--ease)}
.price:hover{transform:translateY(-5px);box-shadow:var(--shadow-2)}
.price.best{border:2px solid var(--primary);box-shadow:0 24px 50px rgba(61,126,16,.18);position:relative;background:linear-gradient(180deg,var(--primary-soft),var(--surface) 46%)}
.price.best .flag{position:absolute;top:-13px;left:26px;background:var(--grad);color:var(--white);font-size:12px;font-weight:800;padding:5px 14px;border-radius:999px;letter-spacing:.04em}
.price h3{font-size:17px;margin-bottom:4px}
.price .sub{font-size:13px;color:var(--muted);margin-bottom:18px}
.price .amt{display:flex;align-items:baseline;gap:6px;margin-bottom:20px}
.price .amt b{font-size:40px;letter-spacing:-.03em;color:var(--primary-ink);line-height:1}
.price .amt span{font-size:14px;color:var(--muted)}
.price ul{list-style:none;padding:0;margin:0 0 24px;display:grid;gap:10px}
.price li{position:relative;padding-left:24px;font-size:14px;color:var(--text)}
.price li::before{content:"";position:absolute;left:2px;top:8px;width:11px;height:6px;border-left:2px solid var(--primary);border-bottom:2px solid var(--primary);transform:rotate(-45deg)}
.price .btn{width:100%;margin-top:auto}
.faq-wrap{max-width:860px;margin:0 auto;display:grid;gap:12px}
.faq{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:0 22px;box-shadow:var(--shadow-1);transition:border-color .22s var(--ease)}
.faq[open]{border-color:var(--primary-bright)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:14px;list-style:none;cursor:pointer;padding:18px 0;font-weight:700;color:var(--ink);font-size:15.5px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:20px;font-weight:600;color:var(--primary);transition:transform .25s var(--ease);line-height:1}
.faq[open] summary::after{transform:rotate(45deg)}
.faq p{margin:0;padding:0 0 20px;color:var(--muted);font-size:14.5px}
.quote{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:14px;transition:transform .28s var(--ease),box-shadow .28s var(--ease)}
.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.quote p{margin:0;font-size:15px;color:var(--text)}
.q-user{display:flex;align-items:center;gap:12px;margin-top:auto}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--primary-soft);color:var(--primary-ink);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;border:1px solid var(--primary-bright)}
.q-user b{display:block;font-size:14px;color:var(--ink)}
.q-user span{font-size:12.5px;color:var(--muted)}
.stars{color:var(--accent);letter-spacing:2px;font-size:13px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease)}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-2);border-color:var(--primary-bright)}
.news-card .thumb{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:var(--line-2)}
.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 .body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card .meta{font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:9px}
.news-card .meta b{color:var(--primary);font-weight:700;background:var(--primary-soft);padding:2px 9px;border-radius:999px;font-size:11.5px}
.news-card h3{font-size:16.5px;margin:0;line-height:1.5}
.news-card h3 a{color:var(--ink)}
.news-card h3 a:hover{color:var(--primary)}
.news-card p{margin:0;font-size:13.5px;color:var(--muted)}
.more{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;margin-top:auto;padding-top:6px}
.more::after{content:"→";transition:transform .22s var(--ease)}
.more:hover::after{transform:translateX(4px)}
.cta{position:relative;overflow:hidden;background:var(--grad-dark);border-radius:var(--radius-lg);padding:56px 48px;color:var(--white);display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center;box-shadow:var(--shadow-3)}
.cta::before{content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(168,230,58,.28),transparent 68%)}
.cta h2{color:var(--white);position:relative;margin-bottom:10px}
.cta p{color:rgba(255,255,255,.72);margin:0;position:relative}
.cta-actions{display:flex;flex-direction:column;gap:12px;position:relative}
.cta-actions .btn-ghost{color:var(--white);border-color:rgba(255,255,255,.3)}
.cta-actions .btn-ghost:hover{color:var(--white);background:rgba(255,255,255,.1);border-color:var(--primary-bright)}
.ft{background:var(--dark);color:rgba(255,255,255,.66);padding:64px 0 0;margin-top:0}
.ft-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-bottom:44px}
.ft h4{color:var(--white);font-size:14px;letter-spacing:.06em;margin-bottom:14px}
.ft a{color:rgba(255,255,255,.66);font-size:14px;display:block;padding:5px 0}
.ft a:hover{color:var(--primary-bright)}
.ft .logo{color:var(--white);margin-bottom:14px}
.ft p{font-size:13.5px;color:rgba(255,255,255,.56);margin:0 0 12px;max-width:320px}
.ft-bot{border-top:1px solid var(--dark-line);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;font-size:13px;color:rgba(255,255,255,.48)}
.ft-bot a{display:inline;color:rgba(255,255,255,.56);font-size:13px}
.ft-bot nav{display:flex;gap:16px;flex-wrap:wrap}
.totop{position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:50%;background:var(--white);border:1px solid var(--line);color:var(--primary-ink);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-2);opacity:0;visibility:hidden;transform:translateY(10px);transition:all .25s var(--ease);z-index:50}
.totop.show{opacity:1;visibility:visible;transform:translateY(0)}
.totop::before{content:"";width:9px;height:9px;border-left:2px solid currentColor;border-top:2px solid currentColor;transform:rotate(45deg) translate(1px,1px)}
.page-head{padding:132px 0 46px;background:radial-gradient(900px 400px at 20% 0,var(--primary-soft),transparent 60%),var(--bg);border-bottom:1px solid var(--line)}
.page-head h1{font-size:clamp(26px,3.4vw,42px);margin-bottom:10px}
.page-head p{color:var(--muted);max-width:660px;margin:0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:26px 0 0}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary)}
.crumb span{color:var(--line)}
.crumb b{color:var(--ink);font-weight:600}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 318px;gap:44px;align-items:start;padding:44px 0 72px}
.prose{font-size:16px;color:var(--text)}
.prose h2{font-size:23px;margin:36px 0 12px;padding-left:14px;border-left:4px solid var(--primary);scroll-margin-top:92px}
.prose h3{font-size:18px;margin:26px 0 10px}
.prose p{margin:0 0 18px;line-height:1.9}
.prose img{border-radius:14px;margin:22px 0;box-shadow:var(--shadow-2);width:100%;height:auto}
.prose figcaption{font-size:13px;color:var(--muted);text-align:center;margin:-12px 0 22px}
.prose ul,.prose ol{line-height:1.9;color:var(--text)}
.prose blockquote{margin:24px 0;padding:18px 22px;background:var(--primary-soft);border-left:4px solid var(--primary);border-radius:0 12px 12px 0;color:var(--primary-ink);font-size:15px}
.prose strong{color:var(--ink)}
.art-head{padding:0 0 6px}
.art-head h1{font-size:clamp(24px,3vw,34px);margin:10px 0 14px;line-height:1.4}
.art-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:24px}
.art-meta span{display:inline-flex;align-items:center;gap:6px}
.cover{border-radius:16px;overflow:hidden;margin:0 0 8px;box-shadow:var(--shadow-2)}
.side{position:sticky;top:92px;display:grid;gap:18px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 20px;box-shadow:var(--shadow-1)}
.side-card h4{font-size:14px;margin:0 0 14px;padding-left:11px;position:relative;color:var(--ink);letter-spacing:.02em}
.side-card h4::before{content:"";position:absolute;left:0;top:3px;bottom:3px;width:3px;border-radius:2px;background:var(--grad)}
.toc{list-style:none;padding:0;margin:0;position:relative}
.toc::before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:2px;background:var(--line-2)}
.toc li{position:relative;padding-left:22px;margin-bottom:12px}
.toc li::before{content:"";position:absolute;left:2px;top:8px;width:8px;height:8px;border-radius:50%;background:var(--white);border:2px solid var(--line);transition:all .2s var(--ease)}
.toc a{font-size:13.5px;color:var(--muted);line-height:1.5;display:block}
.toc li.active::before{background:var(--primary);border-color:var(--primary)}
.toc li.active a{color:var(--primary);font-weight:700}
.hot{list-style:none;padding:0;margin:0;counter-reset:hot}
.hot li{counter-increment:hot;display:flex;gap:10px;align-items:flex-start;margin-bottom:12px;font-size:13.5px;line-height:1.5}
.hot li::before{content:counter(hot);flex:0 0 20px;height:20px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;background:var(--line-2);color:var(--muted);transition:transform .2s var(--ease)}
.hot li:nth-child(1)::before{background:var(--grad);color:var(--white)}
.hot li:nth-child(2)::before{background:linear-gradient(135deg,#f0a22e,#e8730c);color:var(--white)}
.hot li:nth-child(3)::before{background:linear-gradient(135deg,#d9b45a,#b8892a);color:var(--white)}
.hot li:hover::before{transform:scale(1.12)}
.hot a{color:var(--text)}
.hot a:hover{color:var(--primary)}
.cats{display:flex;flex-wrap:wrap;gap:8px}
.cats a{font-size:12.5px;padding:5px 12px;border-radius:999px;border:1px solid var(--line);color:var(--muted);background:var(--bg)}
.cats a:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}
.related a{display:block;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px;font-size:14px;color:var(--ink);font-weight:600;line-height:1.55;transition:all .22s var(--ease)}
.related a:hover{border-color:var(--primary-bright);transform:translateY(-3px);box-shadow:var(--shadow-2);color:var(--primary)}
.related span{display:block;font-size:12px;font-weight:500;color:var(--muted);margin-top:6px}
.pager{display:flex;justify-content:space-between;gap:14px;margin:32px 0 0;padding-top:22px;border-top:1px solid var(--line);flex-wrap:wrap}
.pager a{font-size:14px;font-weight:600;max-width:48%}
.pager .next{text-align:right}
.comments{margin-top:40px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px}
.comments h3{font-size:16px;margin-bottom:18px}
.cmt{display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line-2)}
.cmt:last-child{border-bottom:0;padding-bottom:0}
.cmt .avatar{flex:0 0 38px;width:38px;height:38px;font-size:14px}
.cmt-b{flex:1;min-width:0}
.cmt-b .top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:4px}
.cmt-b b{font-size:13.5px;color:var(--ink)}
.cmt-b time{font-size:12px;color:var(--muted)}
.cmt-b p{margin:0;font-size:14px;color:var(--text);line-height:1.7}
.ver-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ver{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-1);display:flex;flex-direction:column}
.ver.primary{border:2px solid var(--primary);box-shadow:0 20px 44px rgba(61,126,16,.16)}
.ver h3{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:17px}
.ver h3 em{font-style:normal;font-size:12px;font-weight:700;color:var(--primary);background:var(--primary-soft);padding:3px 10px;border-radius:999px}
.ver .size{font-size:13px;color:var(--muted);margin-bottom:16px}
.ver ul{list-style:none;padding:0;margin:0 0 20px;display:grid;gap:9px}
.ver li{position:relative;padding-left:22px;font-size:14px;color:var(--text)}
.ver li::before{content:"✓";position:absolute;left:0;top:0;color:var(--primary);font-weight:700}
.ver .btn{width:100%;margin-top:auto}
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.req{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px 20px}
.req b{display:block;font-size:12.5px;color:var(--muted);font-weight:600;margin-bottom:4px}
.req span{font-size:15px;color:var(--ink);font-weight:600}
.map-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.map-col{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:var(--shadow-1)}
.map-col h3{font-size:15px;margin-bottom:12px}
.map-col a{display:block;font-size:14px;padding:5px 0;color:var(--text)}
.map-col a:hover{color:var(--primary)}
.err-wrap{padding:150px 0 110px;text-align:center}
.err-code{font-size:clamp(72px,14vw,150px);font-weight:800;line-height:1;letter-spacing:-.05em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.err-wrap h1{margin:12px 0 12px}
.err-wrap p{color:var(--muted);max-width:520px;margin:0 auto 26px}
.err-tip{font-size:13px;color:var(--muted);margin-top:18px}
.notice{display:flex;gap:10px;align-items:flex-start;background:var(--accent-soft);border:1px solid rgba(224,35,94,.18);border-radius:12px;padding:14px 18px;font-size:13.5px;color:var(--text);margin:0 0 22px}
.notice b{color:var(--accent)}
.doc h2{margin-top:34px}
.doc table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px}
.doc th,.doc td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.doc th{background:var(--primary-soft);color:var(--primary-ink);font-weight:700}
html.js [data-reveal]{opacity:0;transform:translateY(18px)}
html.js [data-reveal].in{opacity:1;transform:none;transition:opacity .6s var(--ease),transform .6s var(--ease)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}html.js [data-reveal]{opacity:1;transform:none}}
@media(max-width:1100px){.hero-in{gap:36px}.layout{grid-template-columns:minmax(0,1fr) 280px;gap:32px}}
@media(max-width:992px){.burger{display:flex}.nav{position:fixed;left:0;right:0;top:70px;flex-direction:column;align-items:stretch;gap:2px;background:var(--white);padding:14px 18px 20px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-3);max-height:calc(100vh - 70px);overflow-y:auto;transform:translateY(-12px);opacity:0;visibility:hidden;transition:all .25s var(--ease)}
.nav-toggle:checked~.nav{transform:none;opacity:1;visibility:visible}
.nav-toggle:checked~.burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle:checked~.burger span:nth-child(2){opacity:0}
.nav-toggle:checked~.burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.hd.scrolled .nav{background:var(--dark-2);border-bottom-color:var(--dark-line)}
.nav>a,.drop summary{padding:12px 10px;font-size:15.5px}
.drop-panel{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;padding:2px 0 6px 12px;min-width:0;background:transparent}
.hd.scrolled .drop-panel{background:transparent}
.hd.scrolled .drop-panel a{color:rgba(255,255,255,.72)}
.nav-cta{margin:10px 0 0;justify-content:center}
.hero{padding:104px 0 56px}
.hero-in{grid-template-columns:1fr;gap:40px}
.hero h1{font-size:clamp(28px,6vw,40px)}
.demo{transform:none;max-width:520px}
.hero-stats{max-width:none}
.node-wrap{grid-template-columns:1fr;gap:30px}
.g3,.g4,.proto-grid,.steps,.price-grid,.news-grid,.ver-grid,.req-grid,.map-grid,.related,.strip-in{grid-template-columns:repeat(2,1fr)}
.layout{grid-template-columns:1fr;gap:32px}
.side{position:static;grid-template-columns:1fr 1fr;display:grid}
.side .side-card:nth-child(2){grid-column:2}
.cta{grid-template-columns:1fr;padding:40px 32px}
.ft-grid{grid-template-columns:1fr 1fr}
.section{padding:64px 0}
}
@media(max-width:768px){.strip-in div:nth-child(2n){border-right:0}
.hero-lead{font-size:16px}
.g3,.g4,.proto-grid,.steps,.price-grid,.news-grid,.ver-grid,.req-grid,.map-grid,.related,.side{grid-template-columns:1fr}
.g2{grid-template-columns:1fr}
.strip-in{grid-template-columns:repeat(2,1fr)}
.ft-grid{grid-template-columns:1fr 1fr;gap:24px}
.prose h2{font-size:21px}
.related{grid-template-columns:1fr}
.cta{padding:32px 24px}
.section{padding:54px 0}
.news-card .body{padding:18px}
.layout{padding:32px 0 56px}
}
@media(max-width:480px){.wrap{padding:0 18px}
.hero{padding:92px 0 44px}
.hero-actions .btn{width:100%}
.hero-stats{grid-template-columns:1fr;gap:10px}
.hero-stats div{display:flex;align-items:baseline;justify-content:space-between;padding:12px 14px}
.hero-stats b{font-size:20px}
.demo-main{grid-template-columns:1fr;gap:16px}
.gauge{max-width:150px}
.metrics{grid-template-columns:1fr}
.demo-nodes{grid-template-columns:1fr}
.price,.ver,.card{padding:22px}
.ft-grid{grid-template-columns:1fr}
.ft-bot{flex-direction:column;align-items:flex-start}
.comments{padding:18px}
.pager a{max-width:100%}
.hd-in{height:64px}
.nav{top:64px;max-height:calc(100vh - 64px)}
.crumb{padding-top:18px}
}