:root{
  --ink:#071C16;
  --field:#0E2B22;
  --field-2:#173B2D;
  --line:#2F5544;
  --lime:#C6FF3D;
  --lime-soft:#E7FFA3;
  --orange:#FF7A1A;
  --orange-soft:#FFB36B;
  --paper:#F2F7E8;
  --muted:#A5BBAD;
  --shadow:#000000;
  --bw:3px;
  --maxw:1220px;
  --gutter:clamp(16px,4vw,44px);
  --radius:14px;
  --font-display:'Barlow Condensed','Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  --font-body:'Noto Sans SC','Source Han Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  --font-numeric:'JetBrains Mono','Roboto Mono','SFMono-Regular','Consolas','Menlo',monospace;
  --ease:180ms cubic-bezier(.2,.7,.3,1);
  --shadow-hard:5px 5px 0 rgba(0,0,0,.55);
  --shadow-hard-lg:8px 8px 0 rgba(0,0,0,.5);
}

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

body{
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.72;
  font-weight:400;
  letter-spacing:.01em;
  color:var(--paper);
  background-color:var(--ink);
  background-image:
    linear-gradient(rgba(47,85,68,.15) 1px,transparent 1px),
    linear-gradient(90deg,rgba(47,85,68,.15) 1px,transparent 1px);
  background-size:72px 72px,72px 72px;
  background-position:0 0,0 0;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.06;
  letter-spacing:-.02em;
  color:var(--paper);
}
h1{font-size:clamp(38px,6vw,72px)}
h2{font-size:clamp(26px,3.6vw,40px)}
h3{font-size:clamp(19px,2.2vw,26px)}
p{max-width:68ch}
strong{font-weight:700;color:var(--lime-soft)}

:focus-visible{
  outline:3px solid var(--lime);
  outline-offset:3px;
  border-radius:4px;
}

/* ---------- layout primitives ---------- */
.wrap{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.page-main{
  display:block;
  position:relative;
  z-index:1;
  padding-block-start:clamp(100px,12vw,136px);
  scroll-margin-block-start:clamp(96px,12vw,132px);
}
.section{padding-block:clamp(40px,6.5vw,84px)}
.section-head{margin-block-end:clamp(20px,3vw,38px);max-width:74ch}
.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))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}

.eyebrow{
  display:inline-block;
  font-family:var(--font-numeric);
  font-size:12px;
  font-weight:700;
  letter-spacing:.26em;
  text-transform:uppercase;
  color:var(--lime);
  margin-block-end:10px;
}
.lead{
  font-size:clamp(17px,1.8vw,20px);
  line-height:1.66;
  color:var(--paper);
  max-width:60ch;
}
.vert-note{
  writing-mode:vertical-rl;
  font-size:12px;
  font-weight:500;
  letter-spacing:.34em;
  color:var(--muted);
  line-height:1;
}
.muted{color:var(--muted)}
.num{font-family:var(--font-numeric);font-weight:700;letter-spacing:-.01em;font-variant-numeric:tabular-nums}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 22px;
  border:var(--bw) solid transparent;
  border-radius:999px;
  font-family:var(--font-display);
  font-weight:800;
  font-size:16px;
  line-height:1.1;
  letter-spacing:.02em;
  text-decoration:none;
  cursor:pointer;
  box-shadow:var(--shadow-hard);
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
}
.btn:hover{transform:translate(-2px,-2px);box-shadow:var(--shadow-hard-lg)}
.btn:active{transform:translate(1px,1px);box-shadow:2px 2px 0 rgba(0,0,0,.6)}
.btn--orange{background:var(--orange);border-color:var(--orange-soft);color:#0A1F17}
.btn--orange:hover{background:var(--orange-soft)}
.btn--lime{background:var(--lime);border-color:var(--lime-soft);color:#071C16}
.btn--lime:hover{background:var(--lime-soft)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--paper);box-shadow:none}
.btn--ghost:hover{border-color:var(--lime);color:var(--lime);box-shadow:none;transform:none}
.btn--sm{padding:9px 16px;font-size:14px;box-shadow:4px 4px 0 rgba(0,0,0,.55)}

/* ---------- tags ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:999px;
  background:var(--lime-soft);
  color:#0A1F17;
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  line-height:1.4;
}
.tag--orange{background:var(--orange-soft)}
.tag--ghost{background:transparent;color:var(--lime);border:2px solid var(--line)}

/* ---------- rule / divider ---------- */
.rule{
  height:6px;
  border:0;
  margin-block:clamp(24px,4vw,48px);
  background:repeating-linear-gradient(100deg,var(--line) 0 14px,transparent 14px 28px);
}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding-block:0 4px}
.crumb-list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
}
.crumb-list li{display:inline-flex;align-items:center;gap:8px}
.crumb-list li+li::before{content:"/";color:var(--line)}
.crumb-list a{text-decoration:none;color:var(--muted);transition:color var(--ease)}
.crumb-list a:hover{color:var(--lime)}
.crumb-list [aria-current="page"]{color:var(--paper);font-weight:700}

/* ---------- media frame (page stage image placeholder) ---------- */
.media-frame{
  position:relative;
  display:block;
  overflow:hidden;
  aspect-ratio:16/10;
  border:var(--bw) solid var(--line);
  border-radius:var(--radius);
  background:
    repeating-linear-gradient(135deg,var(--field-2) 0 18px,var(--field) 18px 36px);
  box-shadow:var(--shadow-hard-lg);
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:4/5}
.media-frame--square{aspect-ratio:1/1}
.media-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(200deg,rgba(198,255,61,.14),transparent 42%,rgba(255,122,26,.12));
}
.data-overlay{
  position:absolute;
  inset:auto 0 0 0;
  z-index:2;
  display:flex;
  flex-wrap:wrap;
  gap:6px 20px;
  padding:clamp(12px,2vw,20px);
  background:linear-gradient(to top,rgba(7,28,22,.96),rgba(7,28,22,.6) 62%,transparent);
  font-family:var(--font-numeric);
  font-size:13px;
  font-weight:700;
  color:var(--lime);
  letter-spacing:.04em;
}
.data-overlay span{white-space:nowrap}
.data-overlay .dim{color:var(--muted)}

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;
  top:0;
  left:50%;
  z-index:400;
  transform:translate(-50%,-160%);
  padding:12px 22px;
  background:var(--lime);
  color:#071C16;
  font-weight:700;
  font-size:15px;
  text-decoration:none;
  border:var(--bw) solid #071C16;
  border-radius:0 0 12px 12px;
  transition:transform var(--ease);
}
.skip-link:focus{transform:translate(-50%,0)}

/* ---------- header ---------- */
.site-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:120;
  padding:10px 0 10px;
  pointer-events:none;
  background:transparent;
  transition:background-color var(--ease),box-shadow var(--ease),padding var(--ease);
}
.site-header > *{pointer-events:auto}
.site-header[data-scrolled]{
  padding-block:6px;
  background:linear-gradient(to bottom,rgba(7,28,22,.97),rgba(7,28,22,.85));
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  box-shadow:0 12px 34px rgba(0,0,0,.5);
}
.site-header[data-scrolled]::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:1px;
  background:var(--line);
}

.header-shell{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  min-height:56px;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  padding:8px 18px 8px 14px;
  background:var(--field-2);
  border:var(--bw) solid var(--line);
  border-radius:999px;
  text-decoration:none;
  color:var(--paper);
  box-shadow:4px 4px 0 rgba(0,0,0,.5);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.brand:hover{border-color:var(--lime);transform:translate(-2px,-2px);box-shadow:6px 6px 0 rgba(0,0,0,.55)}
.brand-mark{
  width:13px;
  height:26px;
  background:var(--lime);
  transform:skewX(-14deg);
  box-shadow:2px 2px 0 rgba(0,0,0,.45);
}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-name{
  font-family:var(--font-display);
  font-weight:800;
  font-size:20px;
  letter-spacing:.02em;
}
.brand-tag{
  margin-block-start:4px;
  font-family:var(--font-numeric);
  font-size:9px;
  font-weight:700;
  letter-spacing:.24em;
  color:var(--muted);
}

.header-status{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-inline-start:4px;
  padding:6px 0;
  font-size:13px;
  font-weight:500;
  color:var(--muted);
  white-space:nowrap;
  max-width:none;
}
.status-dot{
  width:9px;
  height:9px;
  border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 3px rgba(198,255,61,.18);
  flex:0 0 auto;
}

.site-nav{
  flex:0 1 auto;
  margin-inline:auto;
  padding:5px;
  background:var(--field);
  border:var(--bw) solid var(--line);
  border-radius:999px;
  box-shadow:4px 4px 0 rgba(0,0,0,.42);
}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-link{
  display:block;
  padding:9px 14px;
  border-radius:999px;
  font-family:var(--font-display);
  font-weight:700;
  font-size:15px;
  letter-spacing:.04em;
  text-decoration:none;
  color:var(--paper);
  white-space:nowrap;
  transition:background-color var(--ease),color var(--ease);
}
.nav-link:hover{background:var(--field-2);color:var(--lime)}
.nav-link[aria-current="page"]{background:var(--lime);color:#071C16}

.header-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}

.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  padding:9px 14px;
  border:var(--bw) solid var(--line);
  border-radius:999px;
  background:var(--field-2);
  color:var(--paper);
  font-family:var(--font-display);
  font-weight:800;
  font-size:14px;
  letter-spacing:.08em;
  cursor:pointer;
  box-shadow:4px 4px 0 rgba(0,0,0,.5);
  transition:border-color var(--ease),color var(--ease);
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime)}
.nav-toggle-bars{display:inline-flex;flex-direction:column;gap:3px;width:16px}
.nav-toggle-bars i{display:block;height:2px;width:100%;background:currentColor}
.nav-toggle-label{line-height:1}

.progress-track{
  position:absolute;
  inset:auto 0 0 0;
  height:3px;
  background:rgba(47,85,68,.55);
  pointer-events:none;
}
.progress-bar{
  display:block;
  height:100%;
  width:100%;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:0 50%;
}

/* ---------- footer ---------- */
.site-footer{
  position:relative;
  z-index:1;
  margin-block-start:clamp(64px,9vw,120px);
  background:var(--field);
  border-top:var(--bw) solid var(--line);
  overflow:hidden;
}
.footer-band{
  height:14px;
  background:repeating-linear-gradient(112deg,var(--orange) 0 24px,var(--ink) 24px 48px);
}
.footer-inner{
  display:grid;
  grid-template-columns:1.3fr 1.5fr 1.1fr;
  gap:clamp(24px,4vw,56px);
  padding-block:clamp(34px,5.5vw,62px) clamp(20px,3vw,32px);
}
.footer-brand{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.footer-logo{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(30px,4.2vw,44px);
  line-height:1;
  letter-spacing:-.02em;
  color:var(--lime);
  text-decoration:none;
}
.footer-logo:hover{color:var(--lime-soft)}
.footer-line{
  font-size:14px;
  color:var(--muted);
  max-width:32ch;
}
.footer-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-block-start:4px;
  padding-block-end:3px;
  font-family:var(--font-display);
  font-weight:800;
  font-size:15px;
  letter-spacing:.06em;
  color:var(--orange);
  text-decoration:none;
  border-bottom:3px solid var(--orange);
  transition:color var(--ease),border-color var(--ease),gap var(--ease);
}
.footer-cta:hover{color:var(--orange-soft);border-color:var(--orange-soft);gap:14px}

.footer-nav{display:grid;grid-template-columns:1fr 1fr;gap:clamp(18px,3vw,40px)}
.footer-col{display:flex;flex-direction:column;gap:12px}
.footer-col-title{
  font-family:var(--font-numeric);
  font-size:11px;
  font-weight:700;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--lime);
  padding-block-end:8px;
  border-bottom:1px solid var(--line);
}
.footer-links{display:flex;flex-direction:column;gap:2px}
.footer-links a{
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  font-weight:500;
  color:var(--paper);
  text-decoration:none;
  transition:color var(--ease),transform var(--ease);
}
.footer-links a:hover{color:var(--lime);transform:translateX(4px)}

.footer-contact{display:flex;flex-direction:column;gap:12px}
.contact-list{display:flex;flex-direction:column;gap:10px}
.contact-list li{display:grid;grid-template-columns:44px minmax(0,1fr);gap:10px;align-items:baseline}
.contact-k{
  font-family:var(--font-numeric);
  font-size:11px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--muted);
}
.contact-v{
  font-size:14px;
  line-height:1.5;
  color:var(--paper);
  word-break:break-word;
}
.footer-note{
  font-size:12px;
  line-height:1.6;
  color:var(--muted);
  max-width:34ch;
  padding-block-start:6px;
  border-top:1px dashed var(--line);
}

.footer-legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px clamp(14px,3vw,32px);
  padding-block:16px 22px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
}
.legal-copy,.legal-icp{margin:0;max-width:none}
.legal-icp{font-family:var(--font-numeric);font-size:12px;letter-spacing:.02em}
.legal-links{display:flex;flex-wrap:wrap;gap:6px 18px;margin-inline-start:auto}
.legal-links a{text-decoration:none;color:var(--muted);transition:color var(--ease)}
.legal-links a:hover{color:var(--lime)}

/* ---------- to top ---------- */
.to-top{
  position:fixed;
  right:clamp(14px,3vw,28px);
  bottom:clamp(14px,3vw,28px);
  z-index:110;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:11px 16px;
  border:var(--bw) solid var(--line);
  border-radius:999px;
  background:var(--field-2);
  color:var(--paper);
  font-family:var(--font-display);
  font-weight:800;
  font-size:14px;
  letter-spacing:.06em;
  cursor:pointer;
  box-shadow:4px 4px 0 rgba(0,0,0,.5);
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease),border-color var(--ease),color var(--ease);
}
.to-top[data-visible="true"]{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{border-color:var(--lime);color:var(--lime)}

/* ---------- reveal ---------- */
html[data-js] [data-reveal]{
  opacity:0;
  transition:opacity 520ms ease;
}
html[data-js] [data-reveal][data-revealed="true"]{opacity:1}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .header-status{display:none}
  .nav-link{padding:9px 11px;font-size:14px}
}

@media (max-width:980px){
  .footer-inner{grid-template-columns:1fr 1fr}
  .footer-contact{grid-column:1 / -1}
  .footer-note{max-width:52ch}
}

@media (max-width:900px){
  body{background-attachment:scroll}
  .site-header{padding-block:8px}
  .nav-toggle{display:inline-flex}
  .header-shell{gap:8px}
  .site-nav{
    position:absolute;
    top:calc(100% + 10px);
    left:0;
    right:0;
    margin-inline:0;
    padding:10px;
    border-radius:22px;
    display:none;
    max-height:min(70vh,520px);
    overflow-y:auto;
    box-shadow:8px 8px 0 rgba(0,0,0,.5);
  }
  .site-header[data-open="true"] .site-nav{display:block}
  .site-header[data-open="true"] .nav-toggle{border-color:var(--lime);color:var(--lime)}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{padding:14px 16px;border-radius:14px;font-size:16px}
  .header-actions{margin-inline-start:auto}
  .header-actions .btn{padding:8px 13px;font-size:13px;box-shadow:3px 3px 0 rgba(0,0,0,.55)}
}

@media (max-width:760px){
  .grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-nav{grid-template-columns:1fr 1fr}
  .legal-links{margin-inline-start:0}
}

@media (max-width:620px){
  body{font-size:16px}
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;gap:28px}
  .footer-nav{grid-template-columns:1fr 1fr;gap:18px}
  .brand-name{font-size:18px}
  .brand-tag{font-size:8px}
  .brand{padding:7px 14px 7px 12px}
  .nav-toggle-label{display:none}
  .contact-list li{grid-template-columns:40px minmax(0,1fr)}
  .footer-legal{font-size:12px}
  .to-top{padding:9px 13px;font-size:13px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  html[data-js] [data-reveal]{opacity:1}
  .btn:hover,.brand:hover,.footer-links a:hover{transform:none}
}