:root{--canvas:#F5F3ED;--surface:#FEFDFC;--ink:#16231D;--ever:#17382F;--signal:#B84A28;--sage:#DCE4D8;--muted:#55615A;--line:#DADFD6;--r:14px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--canvas);color:var(--ink);font:400 18px/1.6 Inter,"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
html[lang^=zh] body{line-height:1.75}
a{color:var(--ever)}img{max-width:100%}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px;z-index:99}
:focus-visible{outline:3px solid var(--signal);outline-offset:2px}
header.nav{position:sticky;top:0;z-index:50;background:rgba(245,243,237,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:28px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:21px;letter-spacing:-.02em;color:var(--ever);text-decoration:none}
.logo svg{width:30px;height:30px}
.nav nav{display:flex;gap:24px;margin-left:auto;align-items:center}
.nav nav a{text-decoration:none;color:var(--ink);font-size:15px}
.nav nav a:hover{color:var(--signal)}
.lang{font-size:14px!important;border:1px solid var(--line);padding:4px 10px;border-radius:99px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 24px;border-radius:12px;font-weight:600;font-size:16px;text-decoration:none;border:0;cursor:pointer;transition:transform .18s,background .18s}
.btn-p{background:var(--signal);color:#fff!important}.btn-p:hover{background:#a03f20;transform:translateY(-1px)}
.btn-s{color:var(--ever);background:transparent;padding:0 8px}.btn-s:hover{color:var(--signal)}
.nav .btn{height:40px;padding:0 16px;font-size:14px}
.menu-t{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:6px 10px;font-size:15px;margin-left:auto}
.pill{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ever);background:var(--sage);padding:6px 12px;border-radius:99px}
.pill:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--signal)}
.hero{padding:72px 0 96px}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.cat{color:var(--muted);font-weight:500;margin:22px 0 10px}
h1{font-size:68px;line-height:1.04;letter-spacing:-.035em;margin:0 0 22px;color:var(--ever);font-weight:700}
html[lang^=zh] h1{font-size:54px;line-height:1.2;letter-spacing:-.01em}
h1 em,h2 em{font-style:normal;color:var(--signal)}
.lead{font-size:19px;color:var(--muted);max-width:560px}
.ctas{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 14px}
.note{font-size:14px;color:var(--muted)}
.demo{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:0 30px 60px -30px rgba(23,56,47,.35)}
.demo-h{display:flex;justify-content:space-between;align-items:center;font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--muted);text-transform:uppercase;margin-bottom:14px}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.tabs button{font:inherit;font-size:13px;border:1px solid var(--line);background:var(--canvas);padding:6px 12px;border-radius:99px;cursor:pointer;color:var(--ink)}
.tabs button[aria-selected=true]{background:var(--ever);color:#fff;border-color:var(--ever)}
.side{border-radius:14px;padding:16px}
.side.agent{background:var(--sage)}.side.biz{background:var(--canvas);border:1px solid var(--line)}
.side small{display:block;font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--muted);text-transform:uppercase;margin-bottom:8px}
.bubble{background:var(--surface);border-radius:12px 12px 12px 4px;padding:10px 14px;font-size:15px;display:inline-block}
.path{display:flex;align-items:center;gap:10px;padding:10px 6px;font-size:13px;color:var(--ever);font-weight:600}
.path:before,.path:after{content:"";flex:1;height:2px;background:repeating-linear-gradient(90deg,var(--signal) 0 6px,transparent 6px 11px)}
.ticket{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-size:15px}
.ticket b{color:var(--ever)}.status{display:inline-block;font-size:12px;font-weight:600;background:#F6E3DA;color:var(--signal);padding:2px 9px;border-radius:99px;margin-left:6px}
.steps{list-style:none;padding:0;margin:14px 0 0;display:flex;gap:4px}
.steps li{flex:1;height:4px;border-radius:2px;background:var(--line)}.steps li.on{background:var(--signal)}
.demo-ctl{display:flex;justify-content:space-between;align-items:center;margin-top:12px;font-size:14px;color:var(--muted);gap:10px}
.demo-ctl button{font:inherit;font-size:14px;font-weight:600;border:0;background:var(--ever);color:#fff;border-radius:10px;padding:8px 14px;cursor:pointer}
section{padding:100px 0}
section.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
section.dark{background:var(--ever);color:#E9EEE8}
section.dark h2,section.dark h3{color:#fff}section.dark .muted{color:#B9C7BE}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--signal);margin-bottom:12px}
h2{font-size:42px;line-height:1.15;letter-spacing:-.02em;margin:0 0 18px;color:var(--ever)}
h3{font-size:22px;margin:0 0 8px;color:var(--ever)}
.muted{color:var(--muted)}.sec-lead{max-width:720px;font-size:19px}
.qs{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.qs span{background:var(--surface);border:1px solid var(--line);border-radius:14px 14px 14px 4px;padding:12px 18px;font-weight:500}
.flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;gap:14px;margin-top:40px}
.flow div{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;text-align:center;font-weight:600;color:var(--ever)}
.flow div small{display:block;font-weight:400;color:var(--muted);font-size:14px}
.flow i{color:var(--signal);font-style:normal;font-size:24px}
.pillars{display:grid;gap:28px;margin-top:44px}
.pillar{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;background:var(--canvas);border:1px solid var(--line);border-radius:20px;padding:36px}
.pillar:nth-child(2){margin-left:60px}.pillar:nth-child(3){margin-left:120px}
.pillar .num{font-size:14px;font-weight:700;color:var(--signal)}
.mock{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px;font-size:15px}
.mock .row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px dashed var(--line)}.mock .row:last-child{border:0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.opts{display:flex;flex-wrap:wrap;gap:8px;margin:28px 0 20px}
.opts button{font:inherit;font-size:15px;font-weight:500;padding:10px 16px;border-radius:12px;border:1px solid var(--line);background:var(--surface);cursor:pointer;color:var(--ink)}
.opts button[aria-selected=true]{border-color:var(--ever);background:var(--ever);color:#fff}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:28px}
.panel dl{margin:0}.panel dt{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--signal);margin-top:16px}.panel dt:first-child{margin-top:0}.panel dd{margin:4px 0 0}
.rules{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px}
.rule{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.rule .k{font-size:13px;color:var(--muted)}
.ex{margin-top:28px;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--surface)}
.ex div{display:grid;grid-template-columns:1.2fr 2fr;padding:14px 20px;border-top:1px solid var(--line)}.ex div:first-child{border:0}
.ex b{color:var(--ever)}
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.col{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:var(--r);padding:24px}
.col ul{list-style:none;padding:0;margin:12px 0 0}.col li{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:16px}
.tag{font-size:12px;font-weight:600;padding:2px 9px;border-radius:99px;background:rgba(255,255,255,.12);color:#E9EEE8}
.rel{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:36px}
.rel .card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font-weight:600;font-size:19px;color:var(--ever);list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary:after{content:"+";color:var(--signal);font-size:24px;line-height:1}.faq details[open] summary:after{content:"–"}
.faq p{margin:10px 0 0;color:var(--muted)}
.cta-band{background:var(--ever);color:#fff;border-radius:24px;padding:64px;text-align:center}
.cta-band h2{color:#fff}.cta-band p{color:#B9C7BE;max-width:640px;margin:0 auto 28px}
.page-h{padding:72px 0 40px}.page-h h1{font-size:56px}
html[lang^=zh] .page-h h1{font-size:46px}
.prose{max-width:760px}.prose h2{font-size:30px;margin-top:48px}.prose h3{margin-top:28px}.prose li{margin:6px 0}
.prose table{border-collapse:collapse;width:100%;font-size:16px;margin:20px 0;background:var(--surface)}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}.prose th{background:var(--sage)}
.callout{background:var(--sage);border-radius:var(--r);padding:18px 22px;margin:24px 0}
.tl{list-style:none;padding:0;margin:40px 0 0;counter-reset:s}
.tl li{position:relative;padding:0 0 32px 64px;counter-increment:s}
.tl li:before{content:counter(s);position:absolute;left:0;top:0;width:42px;height:42px;border-radius:50%;background:var(--ever);color:#fff;display:grid;place-items:center;font-weight:700}
.tl li:after{content:"";position:absolute;left:20px;top:46px;bottom:4px;width:2px;background:var(--line)}.tl li:last-child:after{display:none}
.tl .two{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:10px}
.tl .two div{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-size:15px}
.tl .two small{display:block;font-size:11px;font-weight:700;letter-spacing:.08em;color:var(--muted);text-transform:uppercase}
form.ea{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:32px}
.field{margin-bottom:18px}.field label,.field legend{display:block;font-weight:600;margin-bottom:6px;font-size:16px}
.field input,.field select,.field textarea{width:100%;font:inherit;font-size:16px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:var(--canvas)}
fieldset{border:0;padding:0;margin:0 0 18px}.radios{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.radios label{display:flex;gap:8px;align-items:center;font-weight:400;border:1px solid var(--line);border-radius:10px;padding:10px 12px;cursor:pointer}
.formmsg{margin-top:14px;padding:14px;border-radius:10px;background:var(--sage);display:none}.formmsg.show{display:block}
footer{border-top:1px solid var(--line);padding:56px 0 40px;margin-top:40px;font-size:15px;color:var(--muted)}
footer .wrap{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
footer h4{color:var(--ink);font-size:14px;margin:0 0 10px}footer ul{list-style:none;padding:0;margin:0}footer li{margin:6px 0}footer a{color:var(--muted);text-decoration:none}footer a:hover{color:var(--signal)}
.legal{grid-column:1/-1;border-top:1px solid var(--line);padding-top:20px;font-size:13px}
@media (max-width:960px){
 .hero .wrap,.grid2,.pillar,.rel{grid-template-columns:1fr}
 .pillar:nth-child(n){margin-left:0}.rules{grid-template-columns:1fr 1fr}.cols3{grid-template-columns:1fr}
 .flow{grid-template-columns:1fr}.flow i{transform:rotate(90deg);text-align:center}
 footer .wrap{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
 .wrap{padding:0 20px}body{font-size:17px}
 .menu-t{display:block}.nav nav{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:flex-start;background:var(--canvas);padding:20px;border-bottom:1px solid var(--line)}
 .nav nav.open{display:flex}
 h1,.page-h h1{font-size:42px}html[lang^=zh] h1,html[lang^=zh] .page-h h1{font-size:34px}
 h2{font-size:30px}section{padding:64px 0}.hero{padding:40px 0 64px}
 .rules,.radios,.tl .two{grid-template-columns:1fr}.cta-band{padding:40px 22px}.pillar{padding:22px}
 .ctas .btn-p{width:100%}.ex div{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}