:root{--paper:#f8f6ef;--paper-dark:#efede4;--ink:#1c2823;--muted:#54615a;--line:#dcded4;--orange:#f68a54;--orange-dark:#a64220;--dark:#1b2924;--mint:#c5e2cb;--radius:18px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}svg{flex-shrink:0;vertical-align:middle}
:focus-visible{outline:2px solid #bd542d;outline-offset:4px}
h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.23}
section[id]{scroll-margin-top:36px}
.shell{width:min(1200px,calc(100% - 88px));margin-inline:auto}
.skip{position:absolute;left:16px;top:10px;transform:translateY(-180%);padding:8px 14px;background:#fff;z-index:20}.skip:focus{transform:none}
.header{border-bottom:1px solid var(--line);background:var(--paper)}
.nav{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:inline-flex;align-items:center;gap:11px;font-weight:760;line-height:1.16;font-size:18px;white-space:nowrap;letter-spacing:-.35px}
.logo-mark{width:40px;height:40px;display:grid;place-items:center;border-radius:12px;background:var(--dark);color:var(--orange)}
.logo small{display:block;font-size:10px;letter-spacing:.16em;font-weight:600;color:var(--muted);margin-top:5px}
.nav nav{display:flex;align-items:center;gap:34px;font-size:14px;color:var(--muted)}
.nav nav a:hover,.footer a:hover,.text-link:hover,.admin-nav a:hover{color:var(--orange-dark)}
.nav-contact{display:inline-flex;align-items:center;gap:10px;padding:10px 15px;border:1px solid #cfd5cb;border-radius:9px;font-weight:700;font-size:13px;white-space:nowrap}
.nav-contact:hover{background:#f0eee4}
.hero{display:grid;grid-template-columns:1.03fr 1fr;align-items:center;gap:48px;padding-block:76px 80px}
.eyebrow,.kicker{font:650 11px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.13em;color:#546159}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 11px;border:1px solid var(--line);border-radius:40px}
.eyebrow i{height:7px;width:7px;border-radius:50%;background:var(--orange-dark)}
.hero h1{font-size:clamp(43px,5.4vw,76px);letter-spacing:-.074em;font-weight:810;margin-top:20px;line-height:1.13;white-space:nowrap}
.hero h1 em{font-style:normal;color:#3c574a;letter-spacing:-.082em}
.lead{font-size:17px;line-height:1.85;max-width:465px;color:var(--muted);margin-top:25px}
.hero-actions,.form-actions{display:flex;gap:22px;align-items:center;flex-wrap:wrap;margin-top:27px}
.button{min-height:47px;padding:10px 16px;display:inline-flex;justify-content:center;align-items:center;gap:9px;border-radius:9px;border:1px solid transparent;font-size:14px;line-height:1.35;font-weight:730;transition:background .18s ease,transform .18s ease;text-align:center}
.button.primary{background:var(--orange);color:#241b16;border-color:#d97546}
.button.primary:hover:not(:disabled){background:#ffa06f;transform:translateY(-2px)}
.button:disabled{opacity:.5;cursor:not-allowed}
.text-link{display:inline-flex;align-items:center;gap:8px;font-weight:720;font-size:14px}
.hero-notes{display:flex;flex-wrap:wrap;gap:10px 19px;margin-top:26px;color:#4c6155;font-size:12px}
.hero-notes span{display:flex;align-items:center;gap:5px}
.hero-notes svg{color:#46715a}
.demo{position:relative;overflow:hidden;isolation:isolate;border-radius:20px;min-width:0;min-height:412px;background:var(--dark);color:#f9f6ec;border:1px solid #2e4138;padding:22px 24px;box-shadow:0 18px 38px -18px #22382f66;display:flex;flex-direction:column;align-items:center}
.demo-grid{position:absolute;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(ellipse at 42% 30%,#48705955,transparent 66%),linear-gradient(#829a881b 1px,transparent 1px),linear-gradient(90deg,#829a881b 1px,transparent 1px);background-size:auto,24px 24px,24px 24px;mask-image:linear-gradient(#000 55%,transparent)}
.demo-top,.demo-bottom{width:100%;display:flex;align-items:center}
.demo-top{justify-content:space-between;gap:8px;font:600 10px/1.2 ui-monospace,monospace;letter-spacing:.10em;color:#c3cfc5}
.demo-top>span:first-child{display:flex;align-items:center;gap:7px}
.demo-top i{width:7px;height:7px;border-radius:50%;background:#abd9ad;box-shadow:0 0 12px #abd9ad70}
.demo-badge{border:1px solid #63796d;border-radius:30px;padding:6px 8px;letter-spacing:.05em;font-size:10px;color:#cddbd0;white-space:nowrap}
.demo-machine{display:flex;align-items:center;gap:8px;padding:8px 11px;border:1px solid #6b8475;border-radius:8px;color:#f6f7ed;background:#2b4036;margin-top:27px;font-size:13px;font-weight:650}
.demo-machine span{color:#c3d7c7;border-left:1px solid #7e9488;padding-left:8px;font:10px ui-monospace,monospace}
.demo-wires{height:36px;width:50%;display:grid;grid-template-rows:16px 20px;justify-items:center}
.demo-wires::before{content:"";height:16px;border-left:1px solid #91ac9a}
.demo-wires i{width:100%;border:1px solid #91ac9a;border-bottom:0;border-radius:7px 7px 0 0}
.demo-tiles{display:grid;grid-template-columns:1fr 1fr;gap:14px;width:100%}
.demo-tile{position:relative;min-width:0;text-align:left;padding:16px 14px 13px;background:#26392f;border:1px solid #597365;border-radius:12px;display:grid;gap:3px;color:#f0f4e9;transition:background .18s,border-color .18s}
.demo-tile:hover{background:#314a3d}
.demo-tile:focus-visible{outline-color:var(--orange)}
.tile-a.is-active{background:#354f40;border-color:#bcdfc2}
.tile-b.is-active{background:#4e3d2f;border-color:#f4ac82}
.tile-symbol{display:grid;place-items:center;width:44px;height:44px;background:#b8d6bd;color:#20352b;border-radius:10px;font:700 25px/1 ui-monospace,monospace;margin-bottom:9px}
.tile-b .tile-symbol{background:#efae86;color:#442c20}
.tile-name{font-size:17px;font-weight:750}
.tile-caption{font-size:12px;color:#c0d0c4}
.demo-bottom{gap:9px;margin-top:19px;border-top:1px solid #52695b;padding-top:15px;font-size:12px;color:#e1ece2}
.demo-bottom>span{display:grid;place-items:center;width:23px;height:23px;border-radius:50%;background:#314d3c;color:#b9dbbf}
.demo-bottom>span.amber{background:#503b2e;color:#f5b78d}
.section{padding-block:68px}
.solution{background:#f0eee5;border-block:1px solid var(--line)}
.section-top{display:flex;justify-content:space-between;gap:32px;align-items:end;margin-bottom:26px}
.section-top p,.section-intro{color:var(--muted);max-width:340px;line-height:1.8}
h2{font-size:clamp(29px,3.4vw,44px);letter-spacing:-.055em;font-weight:790;margin-top:9px}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feature{background:var(--paper);border:1px solid #d8ddd2;border-radius:var(--radius);padding:21px 22px 24px;min-width:0}
.feature-top{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:24px;font:11px ui-monospace,monospace;color:#667268}
.feature-icon{background:#e6ede4;display:grid;place-items:center;width:43px;height:43px;border-radius:11px;color:#3d6250;flex-shrink:0}
.feature h3,.steps h3{font-size:19px;font-weight:750;margin-bottom:8px;letter-spacing:-.018em}
.feature p,.steps p,.questions p{color:var(--muted);line-height:1.8;font-size:14px}
.process{display:grid;grid-template-columns:.88fr 1.12fr;gap:56px}
.process .section-intro{margin-top:17px;margin-bottom:18px}
.steps{list-style:none;padding:0;margin:0;display:grid}
.steps li{display:grid;grid-template-columns:38px 1fr;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
.steps li:first-child{border-top:1px solid var(--line)}
.steps li>span{font:650 11px ui-monospace,monospace;color:#8e3c24;width:34px;height:29px;display:grid;place-items:center;background:#fae6d9;border-radius:7px}
.faq{background:#f0eee5;border-block:1px solid var(--line)}
.faq-inner{display:grid;grid-template-columns:.88fr 1.12fr;gap:56px}
.questions{border-top:1px solid #d3d9ce}
.questions details{border-bottom:1px solid #d3d9ce;padding:0 1px}
.questions summary{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 0;list-style:none;cursor:pointer;font-weight:730}
.questions summary::-webkit-details-marker{display:none}
.questions summary:hover{color:var(--orange-dark)}
.questions details[open] svg{transform:rotate(45deg)}
.questions p{padding:0 24px 16px 0}
.contact-section{padding-block:60px 36px}
.contact-panel{display:flex;align-items:center;justify-content:space-between;gap:30px;border-radius:var(--radius);background:var(--dark);color:var(--paper);padding:34px 39px}
.contact-panel .kicker{color:#bad2c0}
.contact-panel p{color:#d6e2d8;margin-top:10px}
.contact-side{display:grid;justify-items:center;gap:8px;text-align:center;min-width:0}
.contact-side span{color:#bdd0c3;font-size:12px;font-family:ui-monospace,monospace}
.footer{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:90px;padding-block:18px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
.footer .logo{color:var(--ink)}
.footer>a:last-child{display:inline-flex;align-items:center;gap:6px}
.admin-nav{display:flex;gap:18px;align-items:center;font-size:13px;font-weight:650}
.admin-main{max-width:1040px;padding-block:52px 60px}
.admin-main h1{font-size:clamp(34px,5vw,56px);letter-spacing:-.055em;margin-top:12px}
.admin-main .section-intro{max-width:none;margin-top:9px}
.admin-grid{display:grid;grid-template-columns:1.15fr .85fr;align-items:start;gap:18px;margin-top:27px}
.admin-card,.admin-preview{padding:25px;border:1px solid var(--line);border-radius:var(--radius);background:#fdfbf6;min-width:0}
.admin-card-title{display:flex;align-items:center;gap:11px;margin-bottom:20px}
.admin-card h2,.admin-preview h2{font-size:22px;margin:0;letter-spacing:-.035em}
.admin-card-title p,.admin-preview p{color:var(--muted);font-size:13px;margin-top:4px}
.admin-card fieldset{margin:0;padding:0;border:none;min-width:0}
.admin-card label:not(.check-label){display:block;font-weight:720;margin-bottom:6px}
.admin-card input:not([type=checkbox]){width:100%;background:#fffefa;border:1px solid #c8d0c5;border-radius:8px;padding:10px 12px;color:var(--ink)}
.admin-card input[type=checkbox]{width:17px;height:17px;accent-color:#3c6250;margin:0}
.field-help{font-size:12px;color:var(--muted);margin:6px 0 17px}
.check-label{display:flex;gap:9px;align-items:center;margin-top:17px;font-size:14px;cursor:pointer}
.admin-preview{background:#eaf0e8}
.admin-preview h2{margin-top:7px}
.admin-preview .preview-button{margin-top:18px;max-width:100%;overflow-wrap:anywhere}
.preview-url{display:flex;align-items:center;gap:6px;font:12px/1.5 ui-monospace,monospace;color:#456354;overflow-wrap:anywhere;margin-top:10px}
.feedback{margin-top:15px;padding:8px 11px;color:#254c33;background:#e3f0e2;border-radius:7px;font-size:13px}
.feedback.error{color:#8b2a20;background:#f8e5de}
.admin-info{color:var(--muted);font-size:13px;margin-top:20px;overflow-wrap:anywhere}
.admin-info summary{cursor:pointer}.admin-info p{margin-top:4px}
@media(max-width:1050px){.hero{gap:32px}.hero h1{font-size:clamp(39px,5.55vw,64px)}.demo{min-height:380px}.shell{width:calc(100% - 64px)}}
@media(max-width:790px){.shell{width:calc(100% - 42px)}.hero{grid-template-columns:1fr;padding-block:45px 48px;gap:30px}.hero h1{font-size:clamp(37px,8.7vw,65px)}.hero h1 br{display:initial}.demo{min-height:0}.section{padding-block:47px}.feature-grid{gap:10px}.feature{padding:15px 14px 17px}.feature h3{font-size:16px}.process,.faq-inner{gap:26px}.contact-section{padding-block:42px 28px}}
@media(max-width:570px){.shell{width:calc(100% - 36px)}.nav{min-height:64px;gap:12px}.nav nav{display:none}.logo{font-size:16px}.logo-mark{width:35px;height:35px;border-radius:10px}.logo small{font-size:9px}.nav-contact{padding:7px 9px;font-size:12px}.hero{padding-top:35px}.hero h1{font-size:clamp(30px,9.25vw,52px);margin-top:16px}.lead{font-size:15px;margin-top:16px}.hero-actions{margin-top:20px;gap:14px}.hero-notes{margin-top:18px}.demo{padding:15px}.demo-top{font-size:9px}.demo-tile{padding:12px}.demo-machine{margin-top:20px}.demo-bottom{margin-top:12px;padding-top:11px}.section-top{display:block;margin-bottom:19px}.section-top p{margin-top:8px}.feature-grid,.process,.faq-inner,.admin-grid{grid-template-columns:1fr}.feature-top{margin-bottom:13px}.contact-panel{align-items:flex-start;flex-direction:column;gap:16px;padding:23px}.contact-side{justify-items:start}.footer{flex-wrap:wrap;min-height:0}.footer>span{display:none}.admin-main{padding-top:33px}.admin-card,.admin-preview{padding:17px}.admin-nav{gap:10px;font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}