:root{
  --paper:#f3f0e8;
  --paper-2:#ebe7dc;
  --ink:#171817;
  --muted:#666961;
  --line:rgba(23,24,23,.18);
  --lime:#c8ff43;
  --blue:#2947ff;
  --white:#fffef8;
  --shadow:0 22px 60px rgba(34,31,25,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"SF Pro Display","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
::selection{background:var(--lime);color:#111}
.site-shell{position:relative;min-height:100vh;overflow:hidden}
.site-shell:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-3;background-image:linear-gradient(rgba(23,24,23,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(23,24,23,.035) 1px,transparent 1px);background-size:48px 48px}
.site-shell:after{content:"";position:fixed;width:520px;height:520px;border-radius:50%;left:var(--mx,72vw);top:var(--my,18vh);transform:translate(-50%,-50%);pointer-events:none;z-index:-2;background:radial-gradient(circle,rgba(41,71,255,.12),rgba(200,255,67,.07) 34%,transparent 68%);filter:blur(12px);transition:left .18s ease,top .18s ease}
.noise{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.18;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.88' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.16'/%3E%3C/svg%3E")}
.wrap{width:min(1180px,calc(100% - 40px));margin:0 auto}
.masthead{height:82px;border-bottom:1px solid var(--line);display:flex;align-items:center;background:rgba(243,240,232,.82);backdrop-filter:blur(18px);position:sticky;top:0;z-index:50}
.masthead .wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px}
.identity{font-weight:850;letter-spacing:-.04em;font-size:18px;display:flex;align-items:center;gap:11px}
.identity-mark{width:15px;height:15px;background:var(--blue);border-radius:2px;box-shadow:7px 7px 0 var(--lime)}
.cityline{font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted)}
.main-nav{justify-self:end;display:flex;gap:24px;font-size:14px}
.main-nav a{position:relative}
.main-nav a:after{content:"";position:absolute;left:0;right:100%;bottom:-8px;height:2px;background:var(--blue);transition:right .25s ease}
.main-nav a:hover:after,.main-nav a:focus-visible:after{right:0}
.mobile-toggle{display:none;border:0;background:none;padding:8px;font-weight:800}
.hero{padding:88px 0 58px;position:relative}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:70px;align-items:end}
.kicker{display:flex;align-items:center;gap:12px;font-size:12px;text-transform:uppercase;letter-spacing:.14em;font-weight:800}
.kicker:before{content:"";width:42px;height:3px;background:var(--blue)}
.hero h1{font-size:clamp(54px,7.5vw,108px);line-height:.93;letter-spacing:-.07em;margin:28px 0 26px;max-width:900px;font-weight:900}
.hero h1 .accent{display:inline-block;background:var(--lime);padding:0 .06em .05em;transform:rotate(-1deg)}
.hero-copy{font-size:18px;max-width:720px;color:#3d403a;margin:0}
.hero-side{border-top:4px solid var(--ink);padding-top:18px;display:grid;gap:28px}
.status-row{display:flex;justify-content:space-between;gap:24px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.status-row span:first-child{font-size:12px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}
.status-row strong{font-size:14px;text-align:right}
.quicklinks{display:grid;gap:0;border-top:1px solid var(--line)}
.quicklinks a{display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:12px;padding:15px 0;border-bottom:1px solid var(--line);transition:padding .2s ease,background .2s ease}
.quicklinks a:hover{padding-left:10px;background:rgba(255,255,255,.34)}
.quicklinks em{font-style:normal;color:var(--blue);font-weight:850}.quicklinks b{font-size:15px}.quicklinks i{font-style:normal;font-size:18px}
.section{padding:82px 0;border-top:1px solid var(--line)}
.section-head{display:grid;grid-template-columns:160px 1fr;gap:48px;margin-bottom:42px;align-items:start}
.section-index{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);padding-top:9px}
.section-title{font-size:clamp(34px,4.6vw,64px);letter-spacing:-.055em;line-height:1.03;margin:0;font-weight:900}
.tool-ledger{border-top:2px solid var(--ink)}
.tool-row{display:grid;grid-template-columns:90px 1.2fr 1fr 44px;align-items:center;gap:30px;padding:30px 8px;border-bottom:1px solid var(--line);transition:background .2s ease,padding .2s ease}
.tool-row:hover{background:var(--white);padding-left:18px;padding-right:18px}
.tool-no{font-size:34px;font-weight:900;color:var(--blue);letter-spacing:-.05em}
.tool-row h3{font-size:26px;margin:0;letter-spacing:-.035em}.tool-row p{margin:0;color:var(--muted)}.tool-row .arrow{font-size:28px;text-align:right}
.split-band{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.band-panel{background:var(--paper);padding:44px;min-height:280px;position:relative;overflow:hidden}
.band-panel.dark{background:var(--ink);color:var(--paper)}
.band-panel .label{font-size:12px;text-transform:uppercase;letter-spacing:.13em;color:var(--muted)}
.band-panel.dark .label{color:#aeb2a8}.band-panel h3{font-size:38px;line-height:1.04;letter-spacing:-.05em;margin:26px 0 16px}.band-panel p{max-width:520px;color:var(--muted)}.band-panel.dark p{color:#c9ccc3}
.text-link{display:inline-flex;align-items:center;gap:9px;margin-top:18px;font-weight:800;border-bottom:2px solid currentColor;padding-bottom:3px}
.company-strip{display:grid;grid-template-columns:1.25fr .75fr;gap:52px;align-items:start}.company-strip h2{font-size:48px;line-height:1.06;letter-spacing:-.05em;margin:0}.company-facts{border-top:2px solid var(--ink)}.fact{display:grid;grid-template-columns:120px 1fr;gap:24px;padding:18px 0;border-bottom:1px solid var(--line)}.fact span{font-size:12px;color:var(--muted)}.fact strong{font-size:14px}
.footer{border-top:1px solid var(--line);padding:32px 0 44px;margin-top:20px}.footer-grid{display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center;font-size:13px;color:var(--muted)}.footer-links{display:flex;gap:18px}.footer a:hover{color:var(--ink)}
.page-head{padding:70px 0 36px}.crumb{font-size:12px;color:var(--muted);letter-spacing:.06em}.page-head h1{font-size:clamp(44px,6vw,78px);line-height:.98;letter-spacing:-.06em;margin:16px 0 18px}.page-head p{max-width:760px;color:var(--muted);font-size:17px}
.workspace{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);margin:26px 0 90px}.pane{background:var(--white);padding:30px}.pane h2{margin:0 0 20px;font-size:18px}.field{display:grid;gap:8px;margin:0 0 18px}.field label{font-size:13px;font-weight:800}.field input,.field textarea,.field select{width:100%;border:1px solid #c8c5bc;background:#fff;padding:13px 14px;outline:none;border-radius:0}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(41,71,255,.10)}.field textarea{min-height:210px;resize:vertical}.btnline{display:flex;flex-wrap:wrap;gap:10px}.action-btn{border:1px solid var(--ink);background:var(--ink);color:#fff;padding:11px 16px;font-weight:800}.action-btn.alt{background:transparent;color:var(--ink)}.action-btn.lime{background:var(--lime);color:#111;border-color:#111}.output{background:#f0eee7;border-left:4px solid var(--blue);padding:18px;min-height:74px;white-space:pre-wrap;word-break:break-word}.result-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.result-item{background:#fff;padding:18px}.result-item span{font-size:12px;color:var(--muted);display:block}.result-item strong{display:block;margin-top:6px;font-size:20px;word-break:break-word}
.article-layout{display:grid;grid-template-columns:220px 1fr;gap:70px;padding:16px 0 80px}.article-aside{position:sticky;top:110px;align-self:start;font-size:13px;color:var(--muted)}.article-aside nav{display:grid;gap:10px;border-top:1px solid var(--line);padding-top:14px}.prose{max-width:790px}.prose h2{font-size:34px;letter-spacing:-.04em;margin:44px 0 12px}.prose h3{font-size:22px;margin:30px 0 10px}.prose p,.prose li{color:#444741}.prose code{background:#e5e1d6;padding:2px 5px}.note{border-left:4px solid var(--lime);background:#1d1e1c;color:#f5f2ea;padding:22px;margin:28px 0}.note p{color:#d4d7cf;margin:0}
.list-page{padding:10px 0 90px}.story-list{border-top:2px solid var(--ink)}.story-item{display:grid;grid-template-columns:160px 1fr auto;gap:34px;padding:28px 4px;border-bottom:1px solid var(--line);align-items:center}.story-item time{font-size:12px;color:var(--muted)}.story-item h3{margin:0;font-size:24px}.story-item p{margin:6px 0 0;color:var(--muted)}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:20px 0 86px}.service-box{background:var(--paper);padding:30px;min-height:240px}.service-box b{display:block;font-size:12px;color:var(--blue);letter-spacing:.1em}.service-box h3{font-size:25px;letter-spacing:-.03em}.service-box p{color:var(--muted)}
[data-theme="dark"]{--paper:#121310;--paper-2:#1b1c19;--ink:#f0eee6;--muted:#a8aba2;--line:rgba(240,238,230,.18);--white:#191a17;--shadow:0 22px 60px rgba(0,0,0,.3)}
[data-theme="dark"] .masthead{background:rgba(18,19,16,.82)}[data-theme="dark"] .hero-copy,[data-theme="dark"] .prose p,[data-theme="dark"] .prose li{color:#c5c8bf}[data-theme="dark"] .field input,[data-theme="dark"] .field textarea,[data-theme="dark"] .field select{background:#121310;color:#f0eee6;border-color:#44463f}[data-theme="dark"] .result-item{background:#191a17}[data-theme="dark"] .site-shell:before{background-image:linear-gradient(rgba(240,238,230,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(240,238,230,.025) 1px,transparent 1px)}
.theme-button{border:1px solid var(--line);background:transparent;color:inherit;padding:7px 10px;font-size:12px;font-weight:800}
@media (max-width:900px){.masthead .wrap{grid-template-columns:1fr auto}.cityline{display:none}.main-nav{display:none;position:absolute;top:82px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);padding:22px 20px;flex-direction:column}.main-nav.open{display:flex}.mobile-toggle{display:block}.hero-grid,.company-strip,.workspace,.article-layout{grid-template-columns:1fr}.hero{padding-top:54px}.hero-side{margin-top:18px}.section-head{grid-template-columns:1fr;gap:8px}.tool-row{grid-template-columns:56px 1fr 34px}.tool-row p{display:none}.split-band{grid-template-columns:1fr}.article-aside{position:static}.service-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-links{flex-wrap:wrap}.story-item{grid-template-columns:1fr}.story-item time{order:-1}}
@media (max-width:560px){.wrap{width:min(100% - 26px,1180px)}.hero h1{font-size:52px}.hero-copy{font-size:16px}.tool-row h3{font-size:21px}.band-panel{padding:28px}.company-strip h2{font-size:38px}.result-grid{grid-template-columns:1fr}.masthead{height:70px}.main-nav{top:70px}.page-head h1{font-size:46px}.workspace{margin-bottom:58px}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}.site-shell:after{display:none}}