@font-face{font-family:Archivo;src:url(/fonts/archivo-var.woff2) format("woff2");font-weight:100 900;font-stretch:62% 125%;font-display:swap}
@font-face{font-family:"Plex Mono";src:url(/fonts/plexmono-500.woff2) format("woff2");font-weight:500;font-display:swap}
:root{--sage:#c9d3cb;--paper:#efefea;--paper2:#e6e7e1;--ink:#111613;--ink2:#3a413c;--ink3:#576059;--mint:#2fd892;--mint-d:#1a9f69;--line:#11161333;--line2:#1116131a;--err:#bf3a26;--ok:#1a7f53;
--sans:Archivo,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans","Microsoft YaHei","Noto Sans CJK SC",Helvetica,Arial,sans-serif;--mono:"Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;--track:-.035em;--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--sage);color:var(--ink);font:16px/1.6 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
::selection{background:var(--mint);color:var(--ink)}
a{color:var(--ink);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}a:hover{text-decoration-thickness:2px}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.bg-grid{position:fixed;inset:0;z-index:-1;pointer-events:none;background-image:radial-gradient(rgba(17,22,19,.16) 1px,transparent 1px);background-size:24px 24px;-webkit-mask-image:linear-gradient(#000,transparent 85%);mask-image:linear-gradient(#000,transparent 85%)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px}.narrow{max-width:820px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.muted{color:var(--ink3)}.small{font-size:13.5px}.center{text-align:center}
.mono,.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase}
/* nav */
.nav{position:sticky;top:0;z-index:20;background:rgba(201,211,203,.82);backdrop-filter:saturate(1.2) blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .2s}
.nav.scrolled{border-bottom-color:var(--line)}
.nav-in{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-stretch:100%;font-size:20px;letter-spacing:-.035em;color:var(--ink);text-decoration:none}.logo .wm::after{content:"";display:inline-block;width:.42em;height:.14em;margin-left:.12em;background:var(--mint,#2fd892);vertical-align:baseline}.logo:hover{text-decoration:none}
.logo svg{width:28px;height:28px;flex:none}
.links{display:flex;gap:6px;margin:0 auto;align-items:center}
.links a{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink2);text-decoration:none;padding:6px 8px}
.links a+a::before{content:"";display:inline-block;width:3px;height:3px;border-radius:50%;background:var(--ink3);vertical-align:middle;margin:0 12px 0 -10px}
.links a:hover{color:var(--ink)}
.lang select{appearance:none;-webkit-appearance:none;background:transparent;color:var(--ink);border:1px solid var(--line);border-radius:0;padding:6px 10px;font:500 11.5px var(--mono);letter-spacing:.06em;cursor:pointer}
/* buttons */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;color:var(--paper);background:var(--ink);font:600 15px var(--sans);letter-spacing:-.01em;padding:13px 22px;border-radius:2px;white-space:nowrap;text-decoration:none;transition:background .15s,transform .15s}
.btn:hover{background:#2a332d;text-decoration:none}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.6;cursor:wait}
.btn::before,.btn::after{content:"";position:absolute;width:9px;height:9px;border:1.5px solid var(--ink);opacity:0;transition:all .18s;pointer-events:none}
.btn::before{left:-6px;top:-6px;border-right:0;border-bottom:0}.btn::after{right:-6px;bottom:-6px;border-left:0;border-top:0}
.btn:hover::before,.btn:hover::after,.signup .btn::before,.signup .btn::after{opacity:1}
.btn:hover::before{left:-8px;top:-8px}.btn:hover::after{right:-8px;bottom:-8px}
.btn-sm{padding:8px 14px;font-size:13.5px}
/* hero */
.hero{padding:72px 0 40px}
.badge{display:inline-flex;align-items:center;gap:10px;font:500 11.5px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink2);border:1px solid var(--line);padding:6px 10px;background:rgba(239,239,234,.5)}
.dot{width:7px;height:7px;background:var(--mint);box-shadow:0 0 0 2px rgba(47,216,146,.25);animation:pulse 2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 5px rgba(47,216,146,0)}}
h1,h2,h3{font-family:var(--sans);font-weight:800;text-wrap:balance}
h1{font-size:clamp(40px,6.4vw,84px);line-height:.94;font-stretch:118%;letter-spacing:var(--track);text-transform:uppercase;margin:22px 0 22px}
h2{font-size:clamp(28px,3.8vw,48px);line-height:1;font-stretch:115%;letter-spacing:var(--track);text-transform:uppercase;margin:0 0 34px;text-align:left}
h3{margin:0 0 8px;font-size:18px;letter-spacing:-.02em;font-weight:700}
:lang(zh) h1,:lang(zh) h2,:lang(ja) h1,:lang(ja) h2,:lang(ko) h1,:lang(ko) h2{letter-spacing:0;line-height:1.15}
.hl-mint,.grad{background:var(--mint);color:var(--ink);padding:0 .12em;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.lead{color:var(--ink2);font-size:clamp(16px,1.6vw,19px);max-width:620px;margin:0;line-height:1.5}
.panel{background:var(--paper);border:1px solid var(--ink);border-radius:2px;padding:26px;box-shadow:6px 6px 0 var(--ink)}
.panel.soft{box-shadow:none;border-color:var(--line);background:rgba(239,239,234,.6)}
.hero .panel{margin:30px 0 0}
.panel h2{font-size:clamp(24px,3vw,34px);text-align:center;margin-bottom:12px}
/* form */
.signup{display:flex;flex-direction:column;gap:12px}.signup p{margin:0}
.fld{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--ink3)}
.fld input,.fld textarea{width:100%;font:inherit;font-size:16px;color:var(--ink);background:#fff;border:1px solid var(--ink);border-radius:2px;padding:12px 14px;outline:none;resize:vertical}
.fld input::placeholder{color:#8a928c}
.fld input:focus,.fld textarea:focus{box-shadow:0 0 0 3px var(--mint)}
.row{display:flex;gap:12px;align-items:stretch}.grow{flex:1}
.chk{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--ink2);cursor:pointer}.chk input{margin-top:4px;accent-color:var(--ink)}
.hp{position:absolute;left:-9999px}
.result:empty{display:none}.result{padding:12px 14px;font-size:14.5px;border:1px solid var(--ink)}
.result.ok{background:#d3f5e5}.result.err{background:#f8ddd6;border-color:var(--err)}
/* sections */
.sec{padding:88px 0;position:relative}
.sec+.sec{border-top:1px solid var(--line)}
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--ink);background:var(--paper)}
.step{position:relative;padding:28px}.step+.step{border-left:1px solid var(--ink)}
.step p{color:var(--ink2);margin:0}
.num{display:inline-flex;align-items:center;gap:10px;margin-bottom:22px;font:500 12px var(--mono);letter-spacing:.08em;color:var(--ink)}
.num span{display:inline-grid;place-items:center;min-width:26px;height:26px;padding:0 6px;background:var(--ink);color:var(--paper)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--ink);border-left:1px solid var(--ink)}
.card{background:var(--paper);border-right:1px solid var(--ink);border-bottom:1px solid var(--ink);padding:26px;transition:background .2s}
.card:hover{background:#f7f7f3}.card p{color:var(--ink2);margin:0}
.two{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}.two h2{text-align:left}
.two .panel h2{text-align:left;font-size:clamp(22px,2.6vw,30px)}
.examples{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;border-top:1px solid var(--ink)}
.examples li{padding:16px 4px;border-bottom:1px solid var(--line);color:var(--ink);font-size:17px;letter-spacing:-.01em}
.examples li::before{content:"→";font-family:var(--mono);color:var(--mint-d);margin-right:12px}
.refuse{padding-left:0;list-style:none;color:var(--ink2)}.refuse li{margin:8px 0;padding-left:26px;position:relative}
.refuse li::before{content:"✕";position:absolute;left:0;font-family:var(--mono);color:var(--err)}
.price h3{font:500 12px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink2)}
.price .amt{font-size:clamp(28px,3vw,40px);font-weight:800;font-stretch:115%;letter-spacing:var(--track);margin:6px 0 12px;color:var(--ink);line-height:1}
.price.hl{background:var(--ink);color:var(--paper)}.price.hl h3,.price.hl p{color:#c9d3cb}.price.hl .amt{color:var(--mint)}
.grid.three{margin-bottom:22px}
.faq{border-top:1px solid var(--ink)}
.faq details{border-bottom:1px solid var(--line);padding:2px 4px}
.faq summary{cursor:pointer;padding:18px 0;font-weight:600;font-size:17px;list-style:none;letter-spacing:-.01em;display:flex;justify-content:space-between;gap:16px}.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);font-size:20px;line-height:1;transition:transform .2s}.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{color:var(--ink2);margin:0 0 18px}
/* footer */
.foot{background:var(--ink);color:#c9d3cb;padding:56px 0 28px;margin-top:0}
.foot a{color:var(--paper)}.foot .logo{color:var(--paper)}.foot .muted{color:#8f9a92}

.foot-in{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}.foot p{margin:6px 0}
.foot-links{display:flex;flex-direction:column;gap:8px}.foot-links a{color:#c9d3cb;text-decoration:none;font:500 12px var(--mono);letter-spacing:.06em;text-transform:uppercase}.foot-links a:hover{color:var(--mint)}
.copy{margin-top:40px;padding-top:20px;border-top:1px solid #2a332d;font-family:var(--mono);font-size:12px;letter-spacing:.06em}
/* legal */
.legal h1{font-size:clamp(32px,5vw,56px)}.legal h2{font-size:22px;margin:40px 0 12px;text-transform:none;letter-spacing:-.02em;font-stretch:100%}.legal p,.legal li{color:var(--ink2)}.legal li{margin:6px 0}
.legal h3{font-size:16px;margin:20px 0 6px;color:var(--ink)}
.legal table{width:100%;border-collapse:collapse;margin:12px 0 18px;font-size:14.5px;display:block;overflow-x:auto}
.legal th,.legal td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top;color:var(--ink2)}
.legal th{background:var(--paper2);color:var(--ink)}
.note{border-left:3px solid var(--ink);padding:10px 14px;background:rgba(239,239,234,.7)}
.msg{text-align:center;margin-top:30px}.msg h1{font-size:clamp(28px,4.4vw,48px);margin:16px 0}
.msg .big{width:64px;height:64px;margin:0 auto;display:grid;place-items:center;background:var(--mint);border:1px solid var(--ink)}
.msg .big .i{width:30px;height:30px;color:var(--ink)}
.msg .lead{margin:0 auto 26px}
/* icons */
.i{width:20px;height:20px;flex:none}.i.sm{width:15px;height:15px}
.ic{width:28px;height:28px;color:var(--ink);margin-bottom:18px;padding:4px;background:var(--mint);box-sizing:content-box}
.num .i{width:18px;height:18px}
/* hero layout */
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}
.hero-copy,.hero-demo{min-width:0}
.hero-copy .lead{margin-top:0}
/* demo — wireframe window */
.demo{position:relative;border:1px solid var(--ink);background:var(--paper);box-shadow:8px 8px 0 var(--ink);overflow:hidden;margin-top:8px}
.demo-head{display:flex;align-items:center;gap:12px;padding:10px 14px;border-bottom:1px solid var(--ink);font:500 11.5px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink2);background:var(--paper2)}
.demo-title{display:inline-flex;align-items:center;gap:6px}
.wdots{display:inline-flex;gap:5px}.wdots i{width:9px;height:9px;border:1px solid var(--ink);background:transparent}.wdots i:first-child{background:var(--ink)}
.demo-steps{display:flex;gap:0;list-style:none;margin:0;padding:0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.demo-steps li{flex:1;text-align:center;font:500 11px var(--mono);letter-spacing:.06em;text-transform:uppercase;padding:8px 6px;color:var(--ink3);transition:all .35s;border-right:1px solid var(--line2)}
.demo-steps li:last-child{border-right:0}
.demo-steps li.on{color:var(--ink);background:var(--mint)}
.demo-body{padding:16px;min-height:470px;display:flex;flex-direction:column;gap:10px;transition:opacity .35s}
.demo-body.fade{opacity:0}
.msg-b{max-width:92%;border:1px solid var(--ink);padding:10px 12px;background:#fff;font-size:14px}
.msg-b.you{align-self:flex-end;background:var(--ink);color:var(--paper);border-color:var(--ink)}
.msg-b.you .txt{color:var(--paper)}.msg-b.you .who{color:#9fb0a4}
.msg-b.in{animation:pop .45s cubic-bezier(.2,.8,.2,1) both}
@keyframes pop{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.who{display:flex;align-items:center;gap:6px;font:500 10.5px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink3);margin-bottom:6px}.who .av{width:14px;height:14px;color:inherit}
.msg-b.you .who .av{color:var(--mint)}
.txt{color:var(--ink);line-height:1.5}
table.mini{width:100%;border-collapse:collapse;margin-top:8px;font-size:12.5px}
table.mini th{text-align:left;color:var(--ink2);font:500 10.5px var(--mono);letter-spacing:.06em;text-transform:uppercase;padding:6px;border-bottom:1px solid var(--ink);white-space:nowrap;background:var(--paper2)}
table.mini td{padding:6px;border-bottom:1px solid var(--line2);color:var(--ink)}
.paybtn{display:inline-flex;align-items:center;gap:6px;margin-top:10px;padding:7px 12px;font-weight:600;font-size:13px;color:var(--paper);background:var(--ink)}
.filechip{display:flex;align-items:center;gap:10px;margin-top:10px;padding:9px 12px;border:1px solid var(--ink);background:#d3f5e5}
.filechip .i{color:var(--ink);width:24px;height:24px}.filechip b{display:block;font-size:13.5px}.filechip small{color:var(--ink3);font:500 11px var(--mono)}
.typing{display:inline-flex;gap:4px;padding:10px 12px;border:1px solid var(--ink);background:#fff;align-self:flex-start}
.typing.you{align-self:flex-end;background:var(--ink)}.typing.you i{background:var(--paper)}
.typing i{width:6px;height:6px;background:var(--ink);animation:blink 1s infinite}.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}
@keyframes blink{0%,80%,100%{opacity:.2}40%{opacity:1}}
.demo-dots{display:flex;justify-content:center;gap:6px;padding:8px 0 14px}
.dot-b{width:22px;height:6px;border:1px solid var(--ink);padding:0;background:transparent;cursor:pointer}.dot-b.on{background:var(--ink)}
.ts-box{min-height:65px}
/* capabilities */
.caps-hero{text-align:left;margin-bottom:36px}.caps-hero .lead{margin:0}
.cap-group{margin:44px 0}.cap-group h2{text-align:left;font:500 12px var(--mono);letter-spacing:.1em;color:var(--ink2);margin:0 0 14px;text-transform:uppercase;display:flex;align-items:center;gap:12px}
.cap-group h2::after{content:"";flex:1;height:1px;background:var(--line)}
.cap-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:0;border-top:1px solid var(--ink);border-left:1px solid var(--ink)}
.cap{display:flex;align-items:center;gap:12px;padding:16px 18px;border-right:1px solid var(--ink);border-bottom:1px solid var(--ink);background:var(--paper);font-size:15px;font-weight:500;transition:background .15s}
.cap:hover{background:var(--mint)}
.cap .i{width:22px;height:22px;color:var(--ink)}
.center-note{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:40px auto;max-width:none}
/* pricing */
.price .amt small{font-size:14px;font-weight:500;color:inherit;opacity:.75;font-stretch:100%;letter-spacing:0}
.ptable{width:100%;border-collapse:collapse;margin:28px 0 8px;font-size:15px;background:var(--paper);border:1px solid var(--ink)}
.ptable th,.ptable td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.ptable th{font:500 11.5px var(--mono);color:var(--ink2);text-transform:uppercase;letter-spacing:.08em;background:var(--paper2);border-bottom:1px solid var(--ink)}
.ptable tr.hl td{background:#d3f5e5}
h2.left{text-align:left;margin-top:48px}
ul.how{padding-left:20px;line-height:1.7}ul.how li{margin:6px 0}ul.how li::marker{color:var(--mint-d)}
/* responsive */
@media (max-width:1020px){.hero-in{grid-template-columns:1fr;gap:40px}.hero-demo{max-width:640px;width:100%}}
@media (max-width:880px){.links{display:none}.steps,.grid,.two,.foot-in{grid-template-columns:1fr}.step+.step{border-left:0;border-top:1px solid var(--ink)}.nav-in{gap:12px}.lang{margin-left:auto}.sec{padding:64px 0}}
@media (max-width:560px){.wrap{padding:0 18px}.row{flex-direction:column}.hero{padding:44px 0 24px}.panel{padding:20px;box-shadow:4px 4px 0 var(--ink)}.demo{box-shadow:4px 4px 0 var(--ink)}.btn-sm{display:none}
.demo-body{min-height:520px;padding:12px}.msg-b{max-width:100%}table.mini{font-size:11.5px}table.mini th,table.mini td{padding:4px;white-space:normal}.demo-steps li{font-size:9.5px;padding:7px 2px}
.cap-grid{grid-template-columns:1fr 1fr}.cap{font-size:13.5px;padding:12px;gap:8px}.logo{font-size:16px}.examples li{font-size:15.5px}}
@media (max-width:700px){.ptable thead{display:none}.ptable{border:0;background:none}.ptable tr{display:block;border:1px solid var(--ink);background:var(--paper);margin-bottom:12px;padding:6px 0}.ptable td{display:block;border:0;padding:6px 16px}.ptable td:before{content:attr(data-l);display:block;font:500 10.5px var(--mono);letter-spacing:.08em;color:var(--ink3);text-transform:uppercase}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.msg-b.in,.typing i,.dot{animation:none}.demo-body,.demo-steps li,.cap,.card,.btn,.btn::before,.btn::after{transition:none}}