:root{
  --bg:#0b0f14;
  --bg-2:#111824;
  --panel:#141b25;
  --panel-2:#0f1620;
  --panel-3:#1a2230;
  --text:#f3efe6;
  --muted:#a6afbb;
  --muted-2:#758092;
  --line:rgba(255,255,255,.12);
  --line-2:rgba(255,255,255,.08);
  --accent:#f1b54e;
  --accent-2:#8dd6c6;
  --accent-3:#d7a0ff;
  --shadow:0 22px 70px rgba(0,0,0,.34);
  --radius:18px;
  --radius-sm:12px;
  --max:1380px;
  color-scheme: dark;
  scroll-behavior: smooth;
}

*{box-sizing:border-box}

html,body{
  margin:0;
  min-width:320px;
  min-height:100%;
}

body{
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  line-height:1.72;
  background:
    radial-gradient(circle at 12% 8%, rgba(141,214,198,.14), transparent 28%),
    radial-gradient(circle at 88% 12%, rgba(241,181,78,.14), transparent 24%),
    radial-gradient(circle at 60% 100%, rgba(215,160,255,.09), transparent 30%),
    linear-gradient(180deg, #071017 0%, #0b0f14 42%, #090d12 100%);
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px) 0 0 / 92px 100%,
    linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px) 0 0 / 100% 88px;
  opacity:.42;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.22), transparent 82%);
}

a{
  color:inherit;
  text-decoration:none;
}

p,ul,ol{margin:0}

img{max-width:100%;display:block}

.skip-link{
  position:absolute;
  left:-999px;
  top:10px;
  z-index:100;
  padding:10px 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:#0e1420;
  color:var(--text);
}

.skip-link:focus{
  left:12px;
}

.page{
  width:min(var(--max), calc(100vw - 24px));
  margin:0 auto;
  padding:14px 0 38px;
  position:relative;
  z-index:1;
}

.masthead{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  align-items:center;
  gap:20px;
  padding:16px 18px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(10,15,20,.82);
  box-shadow:0 1px 0 rgba(255,255,255,.03) inset;
  backdrop-filter:blur(10px);
}

.brand{
  display:flex;
  align-items:center;
  gap:14px;
  min-width:0;
}

.brand-mark{
  width:48px;
  height:48px;
  display:grid;
  place-items:center;
  flex:0 0 auto;
  border-radius:14px;
  background:linear-gradient(180deg, rgba(241,181,78,.98), rgba(214,140,46,.94));
  color:#161006;
  font:800 18px/1 "Noto Serif SC","Songti SC",serif;
  letter-spacing:.08em;
}

.brand-copy strong{
  display:block;
  font-size:17px;
  line-height:1.1;
  letter-spacing:.01em;
}

.brand-copy span{
  display:block;
  margin-top:4px;
  color:var(--muted);
  font-size:12px;
  letter-spacing:.08em;
  text-transform:uppercase;
}

.topnav{
  display:flex;
  flex-wrap:wrap;
  justify-content:flex-end;
  gap:12px 18px;
  color:var(--muted);
  font-size:13px;
}

.topnav a{
  position:relative;
  padding-bottom:2px;
}

.topnav a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:1px;
  background:linear-gradient(90deg, transparent, rgba(241,181,78,.92), transparent);
  transform:scaleX(.2);
  transform-origin:center;
  opacity:0;
  transition:opacity .16s ease, transform .16s ease;
}

.topnav a:hover,
.topnav a:focus-visible{
  color:var(--text);
  outline:none;
}

.topnav a:hover::after,
.topnav a:focus-visible::after{
  opacity:1;
  transform:scaleX(1);
}

.main{
  display:grid;
  gap:18px;
  margin-top:18px;
}

.hero,
.section,
.about-intro,
.about-grid,
.footer{
  border:1px solid var(--line);
  background:linear-gradient(180deg, rgba(18,25,35,.96), rgba(13,19,28,.96));
  box-shadow:var(--shadow);
}

.hero{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);
  gap:18px;
  padding:18px;
  border-radius:28px;
}

.hero-copy{
  padding:16px 14px 18px;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  width:fit-content;
  color:var(--accent);
  font-size:11px;
  letter-spacing:.24em;
  text-transform:uppercase;
}

.eyebrow::before{
  content:"";
  width:24px;
  height:2px;
  background:var(--accent);
}

h1,h2,h3{
  margin:0;
  font-family:"Noto Serif SC","Songti SC",serif;
  letter-spacing:-.03em;
}

h1{
  margin-top:14px;
  max-width:8.6ch;
  font-size:clamp(52px,7.6vw,106px);
  line-height:.9;
}

h2{
  font-size:clamp(24px,2.2vw,34px);
  line-height:1.08;
}

h3{
  font-size:18px;
  line-height:1.2;
}

.lede{
  margin-top:16px;
  max-width:64ch;
  font-size:17px;
  color:var(--text);
}

.summary-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:18px;
}

.summary-tags span{
  display:inline-flex;
  align-items:center;
  min-height:34px;
  padding:0 12px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.03);
  color:var(--muted);
  font-size:13px;
}

.hero-rail{
  display:grid;
  gap:12px;
  align-content:start;
}

.signal-card{
  padding:18px 18px 16px;
  border-radius:20px;
  border:1px solid var(--line);
  background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
}

.signal-label,
.section-head .eyebrow,
.about-intro .eyebrow{
  margin-bottom:12px;
}

.signal-label{
  color:var(--accent-2);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
}

.signal-card h2{
  margin-bottom:12px;
}

.signal-list{
  display:grid;
  gap:10px;
  padding-left:18px;
  color:var(--muted);
}

.section,
.about-intro,
.about-grid{
  border-radius:24px;
}

.section{
  padding:20px;
}

.section-head{
  max-width:76ch;
}

.section-head p{
  margin-top:10px;
  color:var(--muted);
}

.type-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:14px;
  margin-top:18px;
}

.type-card{
  display:grid;
  grid-template-columns:72px minmax(0,1fr);
  gap:14px;
  align-items:start;
  padding:18px;
  border:1px solid var(--line);
  border-radius:18px;
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
}

.type-index{
  display:grid;
  place-items:center;
  min-height:72px;
  border:1px solid rgba(241,181,78,.32);
  border-radius:16px;
  color:var(--accent);
  font-family:"Noto Serif SC","Songti SC",serif;
  font-size:18px;
  background:rgba(241,181,78,.06);
}

.type-card p{
  margin-top:10px;
  color:var(--muted);
}

.route-list{
  display:grid;
  gap:14px;
  margin-top:18px;
  padding:0;
  list-style:none;
}

.route-list li{
  display:grid;
  grid-template-columns:260px minmax(0,1fr);
  gap:18px;
  align-items:start;
  padding:18px 18px 16px;
  border:1px solid var(--line);
  border-radius:18px;
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
}

.route-list strong{
  font-family:"Noto Serif SC","Songti SC",serif;
  font-size:18px;
  line-height:1.2;
}

.route-list p{
  color:var(--muted);
}

.section-watch{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:14px;
}

.watch-box{
  padding:20px;
  border:1px solid var(--line);
  border-radius:20px;
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
}

.watch-box p{
  margin-top:10px;
  color:var(--muted);
}

.footer{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  margin-top:18px;
  padding:18px 20px;
  border-radius:20px;
  color:var(--muted);
}

.footer-links{
  display:flex;
  flex-wrap:wrap;
  justify-content:flex-end;
  gap:16px;
}

.footer a{
  color:var(--text);
}

.page-about .about-intro{
  padding:24px;
}

.about-intro{
  max-width:100%;
}

.about-intro .lede{
  max-width:68ch;
}

.about-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:14px;
  padding:18px;
}

.about-card{
  padding:18px;
  border:1px solid var(--line);
  border-radius:18px;
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
}

.about-card p{
  margin-top:10px;
  color:var(--muted);
}

.main-about{
  gap:18px;
}

.footer-about{
  margin-top:18px;
}

@media (max-width: 1120px){
  .hero{
    grid-template-columns:1fr;
  }

  .type-card,
  .route-list li{
    grid-template-columns:1fr;
  }
}

@media (max-width: 760px){
  .page{
    width:min(var(--max), calc(100vw - 16px));
    padding-top:8px;
  }

  .masthead{
    grid-template-columns:1fr;
    justify-items:start;
    border-radius:24px;
    padding:14px 14px 13px;
  }

  .topnav{
    justify-content:flex-start;
    gap:8px 14px;
  }

  .hero{
    border-radius:24px;
    padding:14px;
  }

  .hero-copy{
    padding:10px 4px 8px;
  }

  h1{
    max-width:9.5ch;
    font-size:clamp(40px, 15vw, 66px);
  }

  .lede{
    font-size:16px;
  }

  .type-grid,
  .section-watch,
  .about-grid{
    grid-template-columns:1fr;
  }

  .type-card{
    padding:16px;
  }

  .route-list li{
    padding:16px;
  }

  .footer{
    flex-direction:column;
    align-items:flex-start;
  }
}