:root{
  --paper:#f4f2ee;
  --ink:#14171c;
  --ink-2:#1b2027;
  --muted:#5c6169;
  --muted-2:#8b9097;
  --line:#ddd9d2;
  --line-2:#e7e3dc;
  --accent:#e8632a;
  --white:#ffffff;
  --max:1240px;
  --pad:32px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:Inter,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.1}
p{margin:0}
.container{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.mono{font-family:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2)}

/* top bar */
.topbar{border-bottom:1px solid var(--line);background:var(--paper)}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:38px;gap:16px}
.topbar .mono{font-size:10.5px}
.topbar .mono b{color:var(--muted);font-weight:400}

/* header */
.header{border-bottom:1px solid var(--line);background:var(--paper);position:relative;z-index:5}
.header .container{display:flex;align-items:center;gap:40px;height:80px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand .mark{width:4px;height:30px;background:var(--accent)}
.brand .name{font-size:19px;font-weight:700;letter-spacing:-.01em;line-height:1.05}
.brand .sub{font-family:"IBM Plex Mono",monospace;font-size:9.5px;letter-spacing:.2em;color:var(--muted-2);text-transform:uppercase;margin-top:3px}
.nav{display:flex;gap:30px;margin-left:auto}
.nav a{font-size:14.5px;color:var(--muted);padding:6px 0;border-bottom:1px solid transparent}
.nav a:hover,.nav a[aria-current]{color:var(--ink);border-bottom-color:var(--ink)}
.header .btn{margin-left:34px}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:14px;background:var(--ink);color:#fff;
  padding:0 0 0 20px;height:48px;border:0;font:inherit;font-size:14.5px;cursor:pointer;border-radius:2px}
.btn .arw{display:grid;place-items:center;width:44px;height:48px;background:var(--accent)}
.btn .arw svg{display:block}
.btn:hover{background:var(--ink-2)}
.btn-ghost{display:inline-flex;align-items:center;gap:10px;height:48px;padding:0 20px;
  border:1px solid rgba(255,255,255,.28);color:#fff;font-size:14.5px;border-radius:2px}
.btn-ghost:hover{border-color:rgba(255,255,255,.6)}

/* hero */
.hero{position:relative;isolation:isolate;overflow:hidden;background:#0d1014}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center 42%;z-index:0}
.hero::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,rgba(11,13,16,.94) 0%,rgba(11,13,16,.88) 30%,rgba(11,13,16,.62) 50%,rgba(11,13,16,.18) 72%,rgba(11,13,16,0) 88%),
             linear-gradient(180deg,rgba(11,13,16,.5) 0%,rgba(11,13,16,0) 26%,rgba(11,13,16,0) 66%,rgba(11,13,16,.62) 100%)}
.hero .container{position:relative;z-index:2;padding-top:128px;padding-bottom:80px;min-height:700px;display:flex;flex-direction:column;justify-content:space-between}
.hero .kicker{color:rgba(255,255,255,.62)}
.hero h1{color:#fff;font-size:clamp(44px,5.8vw,74px);max-width:15ch;margin:22px 0 0}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero .lede{color:#cfd4da;font-size:18.5px;line-height:1.62;max-width:46ch;margin-top:26px}
.hero-actions{display:flex;gap:12px;margin-top:38px;flex-wrap:wrap}
.hero-foot{display:flex;justify-content:space-between;align-items:flex-end;margin-top:64px}
.scroll{color:rgba(255,255,255,.5);display:flex;align-items:center;gap:10px}
.scroll .bar{width:36px;height:1px;background:rgba(255,255,255,.35)}

/* stats */
.stats{border-bottom:1px solid var(--line)}
.stats .container{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:30px 0 32px;border-left:1px solid var(--line);padding-left:26px}
.stat:first-child{border-left:0;padding-left:0}
.stat .n{font-family:"IBM Plex Mono",monospace;font-size:26px;letter-spacing:-.01em}
.stat .l{margin-top:8px}

/* section shell */
.section{padding:104px 0}
.section.tight{padding:80px 0}
.section.alt{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:end;margin-bottom:52px}
.sec-head h2{font-size:clamp(30px,3.1vw,42px);margin-top:18px;max-width:20ch}
.sec-head .note{color:var(--muted);font-size:15px;max-width:44ch;padding-bottom:6px}

/* cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cards-4 .record{border:1px solid var(--line);background:#fff;padding:24px 22px;min-height:0}
.cards-4 .record h3{font-size:17px}
.cards-4 .record p{font-size:14px}
.card{background:var(--white);border:1px solid var(--line);display:flex;flex-direction:column}
.card .ph{aspect-ratio:760/520;overflow:hidden;background:#e6e3dd}
.card .ph img{width:100%;height:100%;object-fit:cover}
.card .body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.card .idx{color:var(--accent)}
.card h3{font-size:19px;margin:12px 0 10px}
.card p{font-size:14.5px;line-height:1.55;color:var(--muted)}
.card .more{margin-top:auto;padding-top:20px;display:flex;align-items:center;gap:8px;color:var(--ink)}
.card .more svg{opacity:.6}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.spec{width:100%;border-collapse:collapse}
.spec caption{text-align:left;color:var(--muted-2);padding-bottom:14px;font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase}
.spec tr{border-bottom:1px solid var(--line-2)}
.spec td{padding:16px 0;font-size:15px;vertical-align:top}
.spec td:first-child{width:38%;color:var(--muted);font-size:13.5px}
.figure{border:1px solid var(--line);background:#e6e3dd}
.figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:1200/800}
.figure figcaption{padding:14px 16px;color:var(--muted-2);background:var(--white);border-top:1px solid var(--line-2)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.step{border-top:1px solid var(--ink);padding-top:18px}
.step .idx{color:var(--accent)}
.step h3{font-size:17px;margin:14px 0 10px}
.step p{font-size:14px;color:var(--muted);line-height:1.55}

/* records */
.records{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.record{border:1px solid var(--line);background:var(--white);padding:26px 24px 24px;display:flex;flex-direction:column;min-height:230px}
.record .idx{color:var(--accent)}
.record h3{font-size:18px;margin:14px 0 10px}
.record p{font-size:14px;color:var(--muted)}
.record .tag{margin-top:auto;padding-top:18px}

/* light band */
.band{position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.band::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#f4f2ee 0%,#f4f2ee 34%,rgba(244,242,238,.94) 46%,rgba(244,242,238,.55) 64%,rgba(244,242,238,.12) 82%,rgba(244,242,238,0) 100%)}
.band .container{position:relative;z-index:2;padding-top:104px;padding-bottom:104px;min-height:460px;display:flex;align-items:center}
.band h2{font-size:clamp(28px,2.9vw,40px);max-width:22ch;margin:16px 0 18px}
.band p{color:var(--muted);font-size:15.5px;max-width:46ch}

/* table */
.table-wrap{border-top:1px solid var(--ink)}
table.terms{width:100%;border-collapse:collapse}
table.terms th{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);font-weight:400;text-align:left;padding:14px 16px 14px 0;border-bottom:1px solid var(--line)}
table.terms td{padding:16px 16px 16px 0;border-bottom:1px solid var(--line-2);font-size:15px;vertical-align:top}
table.terms td.t{font-family:"IBM Plex Mono",monospace;font-size:14px}
table.terms td:last-child,table.terms th:last-child{padding-right:0}
table.terms td.m{color:var(--muted);font-size:13.5px}

/* dark quality */
.dark{background:var(--ink);color:#fff;padding:104px 0}
.dark .kicker{color:rgba(255,255,255,.45)}
.dark h2{font-size:clamp(30px,3vw,40px);margin:18px 0 20px;max-width:18ch}
.dark p{color:#a9aeb6;font-size:15.5px;max-width:44ch}
.dark .split{gap:72px;align-items:start}
.dlist{border-top:1px solid rgba(255,255,255,.16)}
.dlist .row{display:flex;justify-content:space-between;gap:24px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.dlist .k{color:#8f959d;font-size:13.5px}
.dlist .v{font-family:"IBM Plex Mono",monospace;font-size:13.5px;letter-spacing:.02em}
.dlist .v.warn{color:var(--accent)}

/* faq */
.faq{border-top:1px solid var(--ink)}
details{border-bottom:1px solid var(--line-2)}
summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:24px;padding:20px 0;font-size:16.5px}
summary::-webkit-details-marker{display:none}
summary .pm{font-family:"IBM Plex Mono",monospace;color:var(--muted-2);flex-shrink:0}
details[open] summary .pm{color:var(--accent)}
details p{color:var(--muted);font-size:15px;padding:0 0 22px;max-width:70ch}

/* cta */
.cta{padding:96px 0;border-top:1px solid var(--line)}
.cta .container{display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap}
.cta h2{font-size:clamp(26px,2.7vw,36px);max-width:24ch}

/* footer */
.footer{border-top:1px solid var(--line);padding:64px 0 30px;background:var(--paper)}
.footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px}
.footer h4{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);font-weight:400;margin-bottom:14px}
.footer p,.footer a{font-size:14px;color:var(--muted);line-height:1.7}
.footer .base{display:flex;justify-content:space-between;gap:24px;margin-top:48px;padding-top:20px;border-top:1px solid var(--line);flex-wrap:wrap}

/* responsive */
@media (max-width:1024px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .cards-4{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:36px}
  .sec-head{grid-template-columns:1fr;gap:20px}
  .steps{grid-template-columns:repeat(2,1fr);gap:24px}
  .records{grid-template-columns:1fr}
  .nav{display:none}
  .header .btn{margin-left:auto}
}
@media (max-width:760px){
  :root{--pad:20px}
  .section{padding:64px 0}
  .cards{grid-template-columns:1fr}
  .cards-4{grid-template-columns:1fr}
  .stats .container{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3){border-left:0;padding-left:0}
  .stat:nth-child(3),.stat:nth-child(4){border-top:1px solid var(--line)}
  .hero .container{padding-top:88px;min-height:560px}
  .hero h1{font-size:clamp(34px,9vw,46px)}
  .hero-foot{margin-top:40px}
  .scroll{display:none}
  .topbar .mono:first-child{display:none}
  .topbar .container{justify-content:flex-end}
  .footer .cols{grid-template-columns:1fr;gap:32px}
  .cta .container{align-items:flex-start}
  .band .container{min-height:auto;padding-top:72px;padding-bottom:72px}
}

/* sub-page hero */
.page-hero{position:relative;isolation:isolate;overflow:hidden;background:#0d1014}
.page-hero .bg{position:absolute;inset:0;background-size:cover;background-position:center 42%;z-index:0}
.page-hero::after{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,rgba(11,13,16,.95) 0%,rgba(11,13,16,.9) 34%,rgba(11,13,16,.55) 56%,rgba(11,13,16,.12) 78%,rgba(11,13,16,0) 92%),
             linear-gradient(180deg,rgba(11,13,16,.4) 0%,rgba(11,13,16,0) 40%,rgba(11,13,16,.55) 100%)}
.page-hero .container{position:relative;z-index:2;padding-top:104px;padding-bottom:88px;min-height:520px;display:flex;flex-direction:column;justify-content:flex-end}
.page-hero .kicker{color:rgba(255,255,255,.6)}
.page-hero h1{color:#fff;font-size:clamp(36px,4.4vw,56px);max-width:18ch;margin:18px 0 0}
.page-hero p{color:#c8cdd4;font-size:17.5px;max-width:52ch;margin-top:20px}
.page-hero.plain{background:var(--paper)}
.page-hero.plain::after{display:none}
.page-hero.plain h1{color:var(--ink)}
.page-hero.plain p{color:var(--muted)}
.page-hero.plain .kicker{color:var(--muted-2)}
.page-hero.plain .container{min-height:0;padding-top:88px;padding-bottom:56px}

/* misc helpers */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.kv{border-top:1px solid var(--ink)}
.kv .row{display:flex;justify-content:space-between;gap:24px;padding:18px 0;border-bottom:1px solid var(--line-2)}
.kv .k{color:var(--muted);font-size:14px}
.kv .v{font-family:"IBM Plex Mono",monospace;font-size:14px;text-align:right}
.tick{list-style:none;padding:0;margin:0}
.tick li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line-2);font-size:15px}
.tick li b{font-weight:600;flex:0 0 auto}
.tick li span{color:var(--muted)}
.quote{border-left:2px solid var(--accent);padding:6px 0 6px 22px;color:var(--muted);font-size:16px;max-width:52ch}

/* form */
.form{background:#fff;border:1px solid var(--line);padding:28px}
.field{margin-bottom:16px}
.field label{display:block;font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2);margin-bottom:7px}
.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);background:var(--paper);padding:12px 13px;font:inherit;font-size:15px;color:var(--ink);border-radius:2px}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field textarea:focus{outline:2px solid var(--ink);outline-offset:-1px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-note{color:var(--muted-2);font-size:12.5px;margin-top:14px;line-height:1.6}
.form-error{display:none;color:#b3261e;font-size:13px;margin-top:12px}
.form-error.on{display:block}
.form button{width:100%;margin-top:6px;justify-content:space-between}
@media (max-width:1024px){
  .grid-2{grid-template-columns:1fr;gap:34px}
  .grid-3{grid-template-columns:1fr}
}
@media (max-width:760px){
  .page-hero .container{padding-top:72px;padding-bottom:64px;min-height:420px}
  .field-row{grid-template-columns:1fr}
}

@media (max-width:760px){
  .header .btn{padding:0;width:48px;justify-content:center;flex:0 0 48px}
  .header .btn .btn-t{display:none}
  .header .btn .arw{width:48px}
  .header .container{gap:16px}
  .brand .name{font-size:17px}
}