*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,dl,dd,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video,canvas{display:block;max-width:100%}
button{border:0;background:none;color:inherit;font:inherit;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}

:root{
  --forest:#0B2B22;
  --moss:#14453A;
  --lime:#C8FF3D;
  --lime-dim:#8FCC1F;
  --cream:#F7F3E8;
  --ink:#16181A;
  --stone:#A9B4AE;
  --clay:#C96B47;
  --clay-soft:#E9A486;
  --moss-light:#6FA88F;
  --mist:#E4EFE6;
  --hair:rgba(169,180,174,.22);
  --shell:1200px;
  --gutter:clamp(18px,4vw,40px);
  --pill:999px;
  --panel-r:20px;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
  --z-header:80;
}

body{
  min-height:100vh;
  background-color:var(--forest);
  background-image:
    radial-gradient(120% 80% at 84% -12%,rgba(200,255,61,.12),transparent 58%),
    linear-gradient(180deg,#0E3529 0%,var(--forest) 44%,#08211A 100%);
  background-attachment:fixed;
  color:var(--cream);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:-12%;
  z-index:-1;
  pointer-events:none;
  background-image:
    repeating-linear-gradient(118deg,rgba(111,168,143,.11) 0 1px,transparent 1px 78px),
    repeating-linear-gradient(-62deg,rgba(111,168,143,.07) 0 1px,transparent 1px 132px);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.95),rgba(0,0,0,.2) 72%,transparent);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.95),rgba(0,0,0,.2) 72%,transparent);
}
body[data-nav-open="true"]{overflow:hidden}

:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}

h1,h2,h3,h4{font-weight:900;line-height:1.12;letter-spacing:-.01em;text-wrap:balance}
h1{font-size:clamp(34px,6.6vw,68px);line-height:1.04}
h2{font-size:clamp(26px,4.2vw,44px)}
h3{font-size:clamp(19px,2.2vw,24px);line-height:1.3}
p{text-wrap:pretty}

.shell{width:min(calc(100% - (var(--gutter) * 2)),var(--shell));margin-inline:auto}

.display-1{font-size:clamp(34px,6.6vw,68px);font-weight:900;line-height:1.04;letter-spacing:-.01em}
.display-2{font-size:clamp(26px,4.2vw,44px);font-weight:900;line-height:1.14;letter-spacing:-.01em}
.lede{font-size:clamp(16px,1.5vw,18px);color:rgba(247,243,232,.78);max-width:60ch}
.num{font-family:var(--mono);font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:12px;font-weight:600;
  letter-spacing:.18em;text-transform:uppercase;color:var(--lime);
}
.eyebrow::before{
  content:"";width:26px;height:2px;
  background:linear-gradient(90deg,var(--lime),transparent);
  transform:skewX(-24deg);
}
.annot{
  writing-mode:vertical-rl;
  font-family:var(--mono);font-size:12px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--stone);
}
.annot--lime{color:var(--lime)}

.section{padding:clamp(44px,7vw,92px) 0}

.prose{max-width:68ch}
.prose > * + *{margin-top:1.1em}
.prose h2,.prose h3{margin-top:1.8em}
.prose strong{color:#fff;font-weight:700}

.panel{
  position:relative;
  border-radius:var(--panel-r);
  padding:clamp(22px,3.4vw,44px);
}
.panel--solid{background:var(--cream);color:var(--ink)}
.panel--solid .lede{color:rgba(22,24,26,.74)}
.panel--solid .eyebrow{color:#35704F}
.panel--solid .eyebrow::before{background:linear-gradient(90deg,#35704F,transparent)}
.panel--solid .prose strong{color:var(--ink)}
.panel--solid .btn--ghost{border-color:rgba(22,24,26,.35);color:var(--ink)}
.panel--solid .btn--ghost:hover{border-color:var(--moss);color:var(--moss)}
.panel--moss{background:var(--moss);color:var(--cream)}
.panel--glass{
  background:rgba(20,69,58,.55);
  -webkit-backdrop-filter:blur(12px) saturate(1.2);
  backdrop-filter:blur(12px) saturate(1.2);
  border:1px solid rgba(200,255,61,.16);
  color:var(--cream);
}

.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.offset-r{margin-left:clamp(0px,4vw,64px)}
.offset-l{margin-right:clamp(0px,4vw,64px)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 22px;border-radius:var(--pill);
  font-size:15px;font-weight:700;letter-spacing:.02em;
  border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn--lime{background:var(--lime);color:var(--forest)}
.btn--lime:hover{background:var(--lime-dim)}
.btn--ghost{border-color:rgba(247,243,232,.4);color:var(--cream)}
.btn--ghost:hover{border-color:var(--lime);color:var(--lime)}
.btn--ink{background:var(--ink);color:var(--cream)}
.btn--ink:hover{background:#000}

.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding-top:clamp(20px,3vw,32px);
  font-size:12.5px;letter-spacing:.08em;color:var(--stone);
}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb li + li::before{content:"/";margin-right:8px;color:rgba(169,180,174,.45)}
.breadcrumb [aria-current="page"]{color:var(--cream)}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:var(--pill);
  font-size:12px;font-weight:700;letter-spacing:.06em;
  background:rgba(200,255,61,.14);color:var(--lime);
  border:1px solid rgba(200,255,61,.28);
}
.tag--clay{background:rgba(201,107,71,.16);color:var(--clay-soft);border-color:rgba(201,107,71,.42)}
.tag--stone{background:rgba(169,180,174,.14);color:var(--stone);border-color:rgba(169,180,174,.3)}

.meter{height:8px;border-radius:var(--pill);background:rgba(169,180,174,.22);overflow:hidden}
.meter__fill{height:100%;border-radius:var(--pill);background:linear-gradient(90deg,var(--moss-light),var(--lime))}

.media-frame{
  position:relative;overflow:hidden;
  border-radius:18px;
  border:1px solid rgba(169,180,174,.22);
  background-image:
    radial-gradient(120% 90% at 22% 8%,rgba(200,255,61,.18),transparent 62%),
    linear-gradient(150deg,var(--moss),var(--forest));
}
.media-frame::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(247,243,232,.08) 0 1px,transparent 1px 22px);
}
.media-frame > img,.media-frame > video{width:100%;height:100%;object-fit:cover;position:relative;z-index:1}
.media-frame figcaption{
  position:absolute;left:14px;bottom:12px;z-index:2;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;
  color:var(--cream);background:rgba(11,43,34,.74);
  padding:5px 10px;border-radius:var(--pill);
}
.media-frame--16x9{aspect-ratio:16/9}
.media-frame--4x3{aspect-ratio:4/3}
.media-frame--1x1{aspect-ratio:1/1}
.media-frame--3x4{aspect-ratio:3/4}
.media-frame--9x14{aspect-ratio:9/14}

.tabs{display:block}
.tablist{
  display:flex;gap:6px;
  padding:6px;border-radius:var(--pill);
  background:rgba(11,43,34,.6);
  border:1px solid var(--hair);
  overflow-x:auto;
  scrollbar-width:thin;
}
.tab{
  flex:0 0 auto;
  padding:10px 18px;border-radius:var(--pill);
  font-size:14px;font-weight:700;
  color:rgba(247,243,232,.7);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.tab:hover{color:var(--cream);background:rgba(111,168,143,.18)}
.tab[aria-selected="true"]{background:var(--lime);color:var(--forest)}
.tabpanel{padding-top:clamp(18px,3vw,28px)}
.tabpanel[hidden]{display:none}

[data-reveal]{
  opacity:0;transform:translateY(24px);
  transition:opacity .34s var(--ease),transform .34s var(--ease);
}
[data-reveal].is-revealed{opacity:1;transform:none}

.scroll-progress{
  position:fixed;top:0;left:0;z-index:120;
  width:100%;height:3px;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--lime),var(--moss-light));
  pointer-events:none;
}

.skip-link{
  position:absolute;left:var(--gutter);top:-72px;z-index:200;
  padding:10px 18px;border-radius:0 0 12px 12px;
  background:var(--lime);color:var(--forest);
  font-size:14px;font-weight:800;letter-spacing:.04em;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:0}

/* ---------- 页头 ---------- */
.site-header{
  position:sticky;top:0;z-index:var(--z-header);
  padding:clamp(10px,1.6vw,16px) 0;
}
.header-bar{
  display:flex;align-items:center;gap:clamp(8px,1.4vw,18px);
  padding:9px 10px 9px 18px;
  border-radius:var(--pill);
  background:rgba(9,34,27,.76);
  -webkit-backdrop-filter:blur(14px) saturate(1.3);
  backdrop-filter:blur(14px) saturate(1.3);
  border:1px solid rgba(200,255,61,.16);
  box-shadow:0 20px 44px -30px rgba(0,0,0,.95),inset 0 1px 0 rgba(247,243,232,.06);
}
.brand-lock{
  display:inline-flex;align-items:center;gap:10px;
  flex:0 0 auto;padding:4px 2px;
}
.brand-name{font-size:15px;font-weight:900;letter-spacing:.06em;line-height:1;white-space:nowrap}
.brand-cn{color:var(--lime);margin-left:6px;letter-spacing:.08em}
.pulse-dot{
  flex:0 0 auto;width:9px;height:9px;border-radius:50%;
  background:var(--lime);
  animation:pulse-ring 1200ms ease-out infinite;
}
@keyframes pulse-ring{
  0%{box-shadow:0 0 0 0 rgba(200,255,61,.55),0 0 12px rgba(200,255,61,.9)}
  70%{box-shadow:0 0 0 12px rgba(200,255,61,0),0 0 12px rgba(200,255,61,.5)}
  100%{box-shadow:0 0 0 0 rgba(200,255,61,0),0 0 12px rgba(200,255,61,.9)}
}
.nav-toggle{
  display:none;align-items:center;gap:9px;
  margin-left:auto;padding:10px 16px;border-radius:var(--pill);
  font-size:13px;font-weight:800;letter-spacing:.14em;
  color:var(--lime);
  border:1px solid rgba(200,255,61,.42);
  background:rgba(200,255,61,.08);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{background:rgba(200,255,61,.18)}
.nav-toggle[aria-expanded="true"]{background:var(--lime);color:var(--forest)}
.nav-toggle__bars{
  display:block;width:16px;height:2px;background:currentColor;
  box-shadow:0 -5px 0 currentColor,0 5px 0 currentColor;
}
.site-nav{
  display:flex;align-items:center;gap:8px;
  margin-left:auto;
}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-link{
  display:inline-block;
  padding:9px 15px;border-radius:var(--pill);
  font-size:14.5px;font-weight:500;letter-spacing:.02em;
  color:rgba(247,243,232,.78);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-link:hover{color:var(--cream);background:rgba(111,168,143,.2)}
.nav-link[aria-current="page"]{background:var(--lime);color:var(--forest);font-weight:700}
.nav-cta{
  display:inline-block;
  padding:10px 18px;border-radius:var(--pill);
  font-size:13.5px;font-weight:800;letter-spacing:.04em;white-space:nowrap;
  color:var(--lime);
  border:1px solid rgba(200,255,61,.5);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-cta:hover{background:var(--lime);color:var(--forest)}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(56px,9vw,120px);
  padding:clamp(44px,6vw,80px) 0 clamp(24px,3vw,36px);
  background:linear-gradient(172deg,rgba(20,69,58,.92) 0%,rgba(8,33,26,.99) 62%);
  border-top:1px solid rgba(200,255,61,.2);
  color:rgba(247,243,232,.8);
  font-size:14.5px;line-height:1.7;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:repeating-linear-gradient(90deg,var(--lime) 0 26px,rgba(200,255,61,.14) 26px 64px);
  opacity:.75;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.35fr 1fr;
  gap:clamp(24px,3vw,44px);
  align-items:start;
}
.footer-col{min-width:0}
.footer-logo{font-size:20px;font-weight:900;letter-spacing:.06em;line-height:1.1;color:var(--cream)}
.footer-logo span{color:var(--lime);margin-left:6px}
.footer-tagline{margin-top:12px;max-width:30ch;color:rgba(247,243,232,.7)}
.footer-meta{margin-top:10px;font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--stone)}
.footer-title{
  margin-bottom:14px;padding-bottom:10px;
  border-bottom:1px solid var(--hair);
  font-size:12px;font-weight:800;letter-spacing:.2em;color:var(--lime);
}
.footer-links li + li{margin-top:9px}
.footer-link{
  color:rgba(247,243,232,.78);
  transition:color .18s var(--ease),padding-left .18s var(--ease);
}
.footer-link:hover{color:var(--lime);padding-left:4px}
.footer-contact li{display:flex;flex-direction:column;gap:2px;margin-bottom:12px}
.footer-label{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--stone)}
.footer-value{color:var(--cream);word-break:break-all}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  margin-top:clamp(28px,4vw,44px);padding-top:18px;
  border-top:1px solid var(--hair);
  font-size:13px;color:var(--stone);
}
.footer-icp{font-family:var(--mono);letter-spacing:.04em}
.rhythm-bar{
  display:flex;align-items:center;gap:14px;
  margin-top:18px;padding-top:16px;
  border-top:1px dashed rgba(200,255,61,.24);
}
.rhythm-track{
  flex:1 1 auto;height:6px;border-radius:var(--pill);
  background-image:repeating-linear-gradient(90deg,var(--lime) 0 8px,rgba(200,255,61,.18) 8px 18px);
  background-size:36px 100%;
  animation:rhythm 2.4s linear infinite;
}
@keyframes rhythm{from{background-position:0 0}to{background-position:36px 0}}
.rhythm-note{font-size:12px;letter-spacing:.14em;color:rgba(247,243,232,.6);white-space:nowrap}

@media (max-width:1080px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:920px){
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:fixed;left:0;right:0;bottom:0;margin:0;z-index:95;
    flex-direction:column;align-items:stretch;gap:10px;
    padding:30px var(--gutter) calc(26px + env(safe-area-inset-bottom,0px));
    background:linear-gradient(168deg,rgba(20,69,58,.97),rgba(8,33,26,.99));
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    border-top:1px solid rgba(200,255,61,.28);
    box-shadow:0 -30px 60px -30px rgba(0,0,0,.9);
    clip-path:polygon(0 14%,100% 0,100% 100%,0 100%);
    transform:translateY(112%);
    visibility:hidden;
    transition:transform .36s var(--ease),visibility .36s linear;
  }
  .site-nav[data-open="true"]{transform:translateY(0);visibility:visible}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px;width:100%}
  .nav-link{
    display:block;padding:15px 18px;font-size:18px;font-weight:700;
    border-radius:14px;color:var(--cream);
    background:rgba(247,243,232,.05);
    border-left:3px solid rgba(200,255,61,.25);
  }
  .nav-link[aria-current="page"]{background:var(--lime);color:var(--forest);border-left-color:var(--lime)}
  .nav-cta{margin-top:4px;padding:15px 18px;font-size:16px;text-align:center;background:rgba(200,255,61,.12)}
  .header-bar{padding:8px 10px 8px 16px}
  .brand-name{font-size:14px}
}
@media (max-width:860px){
  .grid--2,.grid--3{grid-template-columns:minmax(0,1fr)}
  .offset-r,.offset-l{margin-left:0;margin-right:0}
}
@media (max-width:620px){
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-tagline{max-width:none}
  .footer-bottom{flex-direction:column}
  .rhythm-bar{flex-direction:column;align-items:stretch;gap:10px}
  .rhythm-note{white-space:normal}
  .tablist{border-radius:16px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  [data-reveal]{opacity:1;transform:none}
  .pulse-dot{animation:none;box-shadow:0 0 0 4px rgba(200,255,61,.28)}
}