*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
html:focus-within{scroll-behavior:smooth}
body{margin:0;min-height:100vh;background-color:#0B3B2E;color:#EAF7F1;font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;font-size:16px;line-height:1.75;font-weight:400;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;background-image:radial-gradient(1100px 620px at 88% -10%,rgba(46,242,196,.10),transparent 62%),radial-gradient(900px 520px at -8% 16%,rgba(27,33,69,.60),transparent 64%),repeating-linear-gradient(90deg,rgba(30,90,71,.34) 0 1px,transparent 1px 96px),repeating-linear-gradient(0deg,rgba(30,90,71,.24) 0 1px,transparent 1px 96px)}
img,svg,picture,video{display:block;max-width:100%}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:.18em}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;padding:0}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
h1,h2,h3,h4{font-family:"Archivo Narrow","Arial Narrow","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-weight:800;line-height:1.02;letter-spacing:.04em;font-stretch:condensed;text-wrap:balance}
p{text-wrap:pretty}
ul[class],ol[class]{margin:0;padding:0;list-style:none}
[hidden]{display:none!important}
::selection{background:#2EF2C4;color:#04201A}
:focus-visible{outline:2px solid #2EF2C4;outline-offset:3px;border-radius:4px}
:root{
  --ink:#0B3B2E;
  --ink-deep:#072A20;
  --mint:#2EF2C4;
  --ember:#FF7A1A;
  --paper:#F5F1E6;
  --indigo:#1B2145;
  --wine:#5B2033;
  --sage:#7FA99B;
  --grid:#1E5A47;
  --text:#EAF7F1;
  --text-2:#B9D6CB;
  --line:rgba(30,90,71,.82);
  --line-soft:rgba(127,169,155,.24);
  --font-display:"Archivo Narrow","Arial Narrow","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono","SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
  --radius:14px;
  --notch:14px;
  --shell:1440px;
  --gutter:clamp(16px,3vw,48px);
}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:fixed;top:10px;left:10px;z-index:120;display:inline-flex;align-items:center;min-height:44px;padding:10px 16px;background:#2EF2C4;color:#04201A;font-weight:700;text-decoration:none;border-radius:8px;transform:translateY(-160%);transition:transform .18s ease-out}
.skip-link:focus-visible{transform:translateY(0)}
.site-header{position:sticky;top:0;z-index:60;padding:10px var(--gutter);background:linear-gradient(180deg,rgba(7,42,32,.94),rgba(7,42,32,.62) 72%,rgba(7,42,32,0));backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.header-shell{position:relative;display:flex;align-items:center;gap:12px;width:100%;max-width:var(--shell);margin:0 auto;padding:9px 12px;background:rgba(7,42,32,.84);border:1px solid var(--line);border-radius:20px;transition:padding .2s ease-out,background-color .2s ease-out,border-color .2s ease-out}
.site-header[data-scrolled] .header-shell{padding-top:6px;padding-bottom:6px;background:rgba(7,42,32,.96);border-color:rgba(46,242,196,.28)}
.brand-island{flex:0 0 auto;padding:5px 16px 5px 7px;background:linear-gradient(135deg,rgba(46,242,196,.14),rgba(7,42,32,.2) 58%);border:1px solid rgba(46,242,196,.22);clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px)}
.brand{display:flex;align-items:center;gap:10px;min-height:44px;text-decoration:none}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;flex:0 0 34px;background:#2EF2C4;color:#04201A;font-family:var(--font-mono);font-size:12px;font-weight:700;letter-spacing:.08em;clip-path:polygon(7px 0,100% 0,100% calc(100% - 7px),calc(100% - 7px) 100%,0 100%,0 7px)}
.brand-text{display:grid;gap:1px;min-width:0}
.brand-name{font-family:var(--font-display);font-size:19px;font-weight:800;line-height:1.05;letter-spacing:.06em;white-space:nowrap}
.brand-tag{font-family:var(--font-mono);font-size:10px;line-height:1.3;letter-spacing:.22em;color:#2EF2C4;white-space:nowrap}
.primary-nav{margin-left:auto;min-width:0}
.nav-list{display:flex;align-items:center;gap:2px;padding:4px;background:rgba(11,59,46,.62);border:1px solid var(--line);border-radius:999px}
.nav-list a{display:block;padding:9px 13px;border-radius:999px;color:#B9D6CB;font-size:14px;font-weight:500;line-height:1.25;text-decoration:none;white-space:nowrap;transition:color .18s ease-out,background-color .18s ease-out}
.nav-list a:hover{color:#EAF7F1;background:rgba(46,242,196,.10)}
.nav-list a[aria-current="page"]{background:#2EF2C4;color:#04201A;font-weight:700}
.header-rail{display:flex;align-items:center;gap:12px;margin-left:8px;flex:0 0 auto}
.header-stamp{display:inline-flex;align-items:center;gap:8px;padding:6px 10px;background:rgba(255,122,26,.09);border:1px dashed rgba(255,122,26,.42);border-radius:8px;font-family:var(--font-mono);font-size:11px;line-height:1.2;letter-spacing:.02em;color:#F0D7C4;font-variant-numeric:tabular-nums;white-space:nowrap}
.stamp-dot{width:7px;height:7px;flex:0 0 7px;border-radius:50%;background:#FF7A1A;box-shadow:0 0 0 3px rgba(255,122,26,.16);animation:stampPulse 2.4s ease-in-out infinite}
@keyframes stampPulse{0%,100%{box-shadow:0 0 0 3px rgba(255,122,26,.14)}50%{box-shadow:0 0 0 6px rgba(255,122,26,.04)}}
.stamp-label{display:block}
.utility-nav{display:flex;align-items:center;gap:12px;font-family:var(--font-mono);font-size:11px;letter-spacing:.03em}
.utility-nav a{color:#B9D6CB;text-decoration:none;padding:6px 0;border-bottom:1px solid transparent;transition:color .18s ease-out,border-color .18s ease-out}
.utility-nav a:hover{color:#2EF2C4;border-bottom-color:#2EF2C4}
.nav-toggle{display:none;place-content:center;gap:5px;width:44px;height:44px;flex:0 0 44px;margin-left:auto;border:1px solid var(--line);border-radius:12px;background:rgba(11,59,46,.72);cursor:pointer}
.nav-toggle-bar{display:block;width:18px;height:2px;background:#EAF7F1;border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.scroll-progress{position:absolute;left:12px;right:12px;bottom:1px;height:2px;overflow:hidden;border-radius:2px;pointer-events:none}
.scroll-progress span{display:block;width:100%;height:100%;background:linear-gradient(90deg,#2EF2C4,#FF7A1A);transform:scaleX(0);transform-origin:left center;transition:transform .1s linear}
.site-footer{margin-top:clamp(64px,9vw,112px);background:linear-gradient(180deg,rgba(7,42,32,.48),#072A20 24%,#072A20 100%);border-top:1px solid rgba(46,242,196,.22);position:relative;overflow:hidden}
.site-footer::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(90deg,rgba(30,90,71,.32) 0 1px,transparent 1px 120px);pointer-events:none;opacity:.6}
.footer-shell{position:relative;z-index:1;width:100%;max-width:var(--shell);margin:0 auto;padding:clamp(40px,6vw,72px) var(--gutter) 24px}
.footer-grid{display:grid;grid-template-columns:1.15fr .95fr 1.15fr;gap:clamp(28px,4vw,56px);align-items:start}
.footer-kicker{font-family:var(--font-display);font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.08;letter-spacing:.05em;color:#EAF7F1}
.footer-line{margin-top:14px;max-width:34ch;color:#B9D6CB;font-size:14px;line-height:1.75}
.footer-brand .btn{margin-top:22px}
.footer-heading{margin-bottom:14px;font-family:var(--font-mono);font-size:11px;font-weight:500;letter-spacing:.18em;color:#2EF2C4;text-transform:uppercase}
.footer-nav ul{columns:2;column-gap:24px}
.footer-nav li{break-inside:avoid;margin-bottom:2px}
.footer-nav a{display:inline-block;padding:5px 0;color:#B9D6CB;font-size:14px;line-height:1.5;text-decoration:none;border-bottom:1px solid transparent;transition:color .18s ease-out,border-color .18s ease-out}
.footer-nav a:hover{color:#2EF2C4;border-bottom-color:rgba(46,242,196,.6)}
.contact-list{display:grid;gap:10px}
.contact-list li{display:grid;grid-template-columns:52px minmax(0,1fr);gap:12px;align-items:baseline;font-size:13.5px;line-height:1.6;color:#EAF7F1;word-break:break-word}
.contact-label{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.08em;color:#7FA99B}
.footer-note{margin-top:16px;padding-left:12px;border-left:2px solid rgba(255,122,26,.58);color:#7FA99B;font-size:12px;line-height:1.75;max-width:38ch}
.footer-base{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px 24px;margin-top:clamp(32px,4vw,52px);padding-top:18px;border-top:1px solid rgba(30,90,71,.72);font-family:var(--font-mono);font-size:11px;line-height:1.6;letter-spacing:.02em;color:#7FA99B;font-variant-numeric:tabular-nums}
.footer-base p{margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:11px 20px;border:1px solid transparent;border-radius:999px;font-family:var(--font-body);font-size:15px;font-weight:700;line-height:1.25;letter-spacing:.02em;text-decoration:none;cursor:pointer;transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:#2EF2C4;color:#04201A;box-shadow:0 0 0 1px rgba(46,242,196,.42)}
.btn-primary:hover{box-shadow:0 0 0 4px rgba(46,242,196,.18)}
.btn-ember{background:#FF7A1A;color:#1A0B02;box-shadow:0 0 0 1px rgba(255,122,26,.4)}
.btn-ember:hover{box-shadow:0 0 0 4px rgba(255,122,26,.16)}
.btn-ghost{background:rgba(7,42,32,.42);border-color:var(--line);color:#EAF7F1}
.btn-ghost:hover{border-color:#2EF2C4;color:#2EF2C4}
.to-top{position:fixed;right:18px;bottom:18px;z-index:55;display:grid;place-items:center;width:46px;height:46px;border:1px solid rgba(46,242,196,.5);border-radius:12px;background:rgba(7,42,32,.92);color:#2EF2C4;font-family:var(--font-mono);font-size:18px;line-height:1;cursor:pointer;box-shadow:0 10px 30px rgba(0,0,0,.28);transition:background-color .18s ease-out,color .18s ease-out}
.to-top:hover{background:#2EF2C4;color:#04201A}
.to-top[hidden]{display:none!important}
.page-shell{width:100%;max-width:var(--shell);margin:0 auto;padding:clamp(24px,4vw,56px) var(--gutter)}
.prose{max-width:68ch;font-size:17px;line-height:1.8;color:#EAF7F1}
.prose p{margin-bottom:1.1em}
.prose h2{margin:1.6em 0 .6em;font-size:clamp(28px,3.4vw,40px);letter-spacing:.05em}
.prose h3{margin:1.4em 0 .5em;font-size:clamp(20px,2.4vw,26px)}
.prose a{color:#2EF2C4}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.3em}
.prose li{margin-bottom:.45em}
.lead{max-width:62ch;color:#B9D6CB;font-size:clamp(17px,1.5vw,19px);line-height:1.8}
.section-head{display:grid;gap:8px;margin-bottom:clamp(18px,2.5vw,28px)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:11px;font-weight:500;line-height:1.4;letter-spacing:.2em;color:#2EF2C4;text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,#2EF2C4,rgba(46,242,196,0))}
.section-title{font-size:clamp(32px,5vw,64px);letter-spacing:.04em;color:#EAF7F1}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
.notch-panel{position:relative;padding:clamp(16px,2.4vw,26px);background:linear-gradient(160deg,rgba(7,42,32,.92),rgba(11,59,46,.72));border:1px solid var(--line);clip-path:polygon(var(--notch) 0,100% 0,100% calc(100% - var(--notch)),calc(100% - var(--notch)) 100%,0 100%,0 var(--notch))}
.notch-lg{--notch:28px}
.data-chip{display:inline-flex;align-items:center;gap:6px;padding:3px 8px;border:1px solid rgba(46,242,196,.28);border-radius:6px;background:rgba(46,242,196,.10);color:#2EF2C4;font-family:var(--font-mono);font-size:12px;font-weight:500;line-height:1.5;letter-spacing:.02em;font-variant-numeric:tabular-nums;white-space:nowrap}
.status-tag{display:inline-flex;align-items:center;gap:6px;padding:3px 9px;border:1px solid rgba(255,122,26,.42);border-radius:999px;background:rgba(255,122,26,.13);color:#FF7A1A;font-family:var(--font-mono);font-size:11px;font-weight:500;line-height:1.5;letter-spacing:.02em;white-space:nowrap}
.status-tag::before{content:"";width:6px;height:6px;flex:0 0 6px;border-radius:50%;background:currentColor}
.status-tag.is-live::before{animation:stampPulse 2s ease-in-out infinite}
.index-num{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:12px;font-weight:500;line-height:1.4;letter-spacing:.14em;color:#2EF2C4;font-variant-numeric:tabular-nums}
.breadcrumbs{margin-bottom:clamp(18px,2.6vw,30px)}
.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px 0;font-family:var(--font-mono);font-size:11.5px;line-height:1.6;color:#7FA99B}
.breadcrumbs li{display:inline-flex;align-items:center}
.breadcrumbs li+li::before{content:"/";margin:0 8px;color:rgba(127,169,155,.55)}
.breadcrumbs a{color:#B9D6CB;text-decoration:none}
.breadcrumbs a:hover{color:#2EF2C4}
.media-frame{position:relative;overflow:hidden;isolation:isolate;min-height:180px;border:1px solid var(--line);border-radius:14px;background:radial-gradient(120% 120% at 20% 0%,rgba(27,33,69,.92),rgba(7,42,32,.98))}
.media-frame img{width:100%;height:100%;object-fit:cover;filter:brightness(.78) saturate(.92) contrast(1.06)}
.media-frame::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(7,42,32,0) 42%,rgba(7,42,32,.74));pointer-events:none}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--portrait{aspect-ratio:4/5}
.media-caption{position:absolute;left:12px;right:12px;bottom:10px;z-index:2;font-family:var(--font-mono);font-size:11px;line-height:1.5;letter-spacing:.02em;color:#EAF7F1;text-shadow:0 1px 10px rgba(0,0,0,.6)}
.compare-table{width:100%;overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:rgba(7,42,32,.52)}
.compare-table table{width:100%;min-width:640px;border-collapse:collapse;font-size:14.5px;line-height:1.6}
.compare-table th,.compare-table td{padding:12px 14px;text-align:left;vertical-align:top;border-bottom:1px solid rgba(30,90,71,.62)}
.compare-table thead th{background:#1B2145;color:#F5F1E6;font-family:var(--font-display);font-size:13px;font-weight:800;letter-spacing:.08em}
.compare-table tbody tr:last-child td,.compare-table tbody tr:last-child th{border-bottom:0}
.compare-table .is-highlight{background:rgba(46,242,196,.10)}
.table-paper{background:#F5F1E6;color:#1B2145;border-color:rgba(27,33,69,.18)}
.table-paper thead th{background:#1B2145;color:#F5F1E6}
.table-paper th,.table-paper td{border-bottom-color:rgba(27,33,69,.14)}
.table-paper .is-highlight{background:rgba(46,242,196,.24)}
.timeline{position:relative;margin:0;padding:0;list-style:none}
.timeline::before{content:"";position:absolute;left:67px;top:8px;bottom:8px;width:1px;background:rgba(30,90,71,.9)}
.timeline-item{position:relative;display:grid;grid-template-columns:52px minmax(0,1fr);gap:28px;padding:14px 0}
.timeline-item::before{content:"";position:absolute;left:63px;top:24px;width:9px;height:9px;border:1px solid #2EF2C4;border-radius:50%;background:#072A20}
.timeline-time{font-family:var(--font-mono);font-size:12px;font-weight:500;line-height:1.6;letter-spacing:.02em;color:#FF7A1A;font-variant-numeric:tabular-nums}
.accordion{border-top:1px solid var(--line)}
.accordion-item{border-bottom:1px solid var(--line)}
.accordion-trigger{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;min-height:52px;padding:14px 4px;color:#EAF7F1;font-size:15.5px;font-weight:600;line-height:1.5;text-align:left;cursor:pointer}
.accordion-trigger::after{content:"+";flex:0 0 auto;font-family:var(--font-mono);font-size:18px;font-weight:500;line-height:1;color:#2EF2C4}
.accordion-trigger[aria-expanded="true"]::after{content:"–"}
.accordion-panel{padding:0 4px 18px;color:#B9D6CB;font-size:15px;line-height:1.8}
.accordion-panel[hidden]{display:none}
.chip{display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:6px 13px;border:1px solid var(--line);border-radius:999px;background:rgba(7,42,32,.62);color:#B9D6CB;font-family:var(--font-body);font-size:13px;font-weight:500;line-height:1.3;cursor:pointer;transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out}
.chip:hover{border-color:#2EF2C4;color:#EAF7F1}
.chip[aria-pressed="true"],.chip.is-active{background:#2EF2C4;border-color:#2EF2C4;color:#04201A;font-weight:700}
.toc{display:grid;gap:2px;margin:0;padding:0;list-style:none}
.toc-link{display:flex;align-items:baseline;gap:10px;padding:8px 10px;border-left:2px solid transparent;color:#B9D6CB;font-size:14px;line-height:1.6;text-decoration:none;transition:color .16s ease-out,background-color .16s ease-out,border-color .16s ease-out}
.toc-link:hover{color:#EAF7F1;background:rgba(46,242,196,.05)}
.toc-link[aria-current="location"],.toc-link.is-active{color:#2EF2C4;border-left-color:#2EF2C4;background:rgba(46,242,196,.08)}
[data-reveal].will-reveal{opacity:0;transform:translateY(8px);transition:opacity .24s ease-out,transform .24s ease-out}
[data-reveal].will-reveal.is-revealed{opacity:1;transform:none}
@media (max-width:1279px){
  .utility-nav{display:none}
}
@media (max-width:1080px){
  .site-header{padding:8px 12px}
  .header-shell{flex-wrap:wrap;gap:8px;padding:8px 10px;border-radius:16px}
  .brand-island{padding:4px 12px 4px 6px}
  .brand-name{font-size:17px}
  .brand-tag{letter-spacing:.16em}
  .header-rail{margin-left:auto;gap:8px}
  .header-stamp{padding:5px 8px;font-size:10px}
  .nav-toggle{display:inline-grid;margin-left:0}
  .primary-nav{position:absolute;top:calc(100% + 10px);left:0;right:0;z-index:20;display:none;margin:0;padding:10px;background:rgba(7,42,32,.985);border:1px solid rgba(46,242,196,.26);border-radius:18px;box-shadow:0 24px 60px rgba(0,0,0,.45);max-height:calc(100vh - 120px);overflow:auto}
  .site-header[data-open] .primary-nav,.primary-nav[data-open]{display:block}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px;padding:0;background:none;border:0;border-radius:0}
  .nav-list a{display:block;padding:12px 14px;border-radius:10px;font-size:15px}
  .nav-list a[aria-current="page"]{background:rgba(46,242,196,.16);color:#2EF2C4;box-shadow:inset 0 0 0 1px rgba(46,242,196,.5)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:760px){
  .header-stamp{display:none}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-nav ul{columns:2}
  .footer-base{flex-direction:column;align-items:flex-start;gap:6px}
  .grid-12{grid-template-columns:1fr;gap:18px}
  .timeline::before{left:51px}
  .timeline-item{grid-template-columns:40px minmax(0,1fr);gap:22px}
  .timeline-item::before{left:47px}
  .to-top{right:12px;bottom:12px}
}
@media (max-width:520px){
  .brand-mark{width:30px;height:30px;flex-basis:30px;font-size:11px}
  .brand-name{font-size:16px}
  .brand-tag{font-size:9px}
  .footer-nav ul{columns:1}
  .contact-list li{grid-template-columns:46px minmax(0,1fr)}
}
@media (prefers-reduced-motion: reduce){
  html:focus-within{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .btn:hover{transform:none}
  .stamp-dot,.status-tag.is-live::before{animation:none}
  [data-reveal].will-reveal{opacity:1;transform:none}
}