@import url('https://fonts.googleapis.com/css2?family=Exo:wght@300;400;500;600;700&family=Roboto+Mono:wght@300;400;500;700&display=swap');

:root{
  --teal:#5cc6b0;
  --sand:#d4c4a8;
  --ink:#172623;
  --clay:#c67b5c;
  --moss:#6b7b3c;
  --paper:#f5f0e7;
  --paper2:#e9dfcf;
  --line:rgba(23,38,35,.14);
  --glass:rgba(255,255,255,.5);
  --bar:72px;
  --mono:'Roboto Mono',ui-monospace,monospace;
}

*,*::before,*::after{box-sizing:border-box}

html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  font-family:'Exo','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;
  font-size:17px;
  line-height:1.7;
  color:var(--ink);
  background:
    radial-gradient(1100px 640px at 82% -8%, rgba(92,198,176,.22), transparent 62%),
    radial-gradient(900px 620px at -5% 32%, rgba(212,196,168,.6), transparent 66%),
    linear-gradient(180deg,var(--paper) 0%, var(--paper2) 58%, #e2d6c3 100%);
  background-attachment:fixed;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.2;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

body.menu-open{overflow:hidden}

img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.25;font-weight:600;letter-spacing:-.01em;margin:0}
p,ul,ol,figure,blockquote{margin:0}
ul{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px}

.topbar{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(245,240,231,.82);
  backdrop-filter:blur(14px) saturate(1.15);
  -webkit-backdrop-filter:blur(14px) saturate(1.15);
}

.top{
  display:flex;
  align-items:center;
  gap:12px;
  height:var(--bar);
  max-width:1180px;
  margin:0 auto;
  padding:0 16px;
  position:relative;
  z-index:61;
}

.brand{
  display:flex;
  align-items:center;
  justify-content:center;
  min-width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:4px;
  background:var(--glass);
  backdrop-filter:blur(8px);
}
.brand .mark{width:26px;height:26px;object-fit:contain}
.mark-txt{font-family:var(--mono);font-weight:700}

.search{flex:1 1 auto;max-width:320px}
.search input{
  width:100%;
  height:40px;
  padding:0 12px;
  font:inherit;
  font-size:16px;
  color:var(--ink);
  background:rgba(255,255,255,.62);
  border:1px solid var(--line);
  border-radius:4px;
}
.search input::placeholder{color:rgba(23,38,35,.48)}

.burger{
  display:flex;
  align-items:center;
  gap:9px;
  min-height:44px;
  padding:0 14px;
  margin-left:auto;
  font:inherit;
  font-size:16px;
  color:var(--paper);
  background:var(--ink);
  border:0;
  border-radius:4px;
  cursor:pointer;
}
.burger em{font-style:normal}
.bars{
  display:block;
  position:relative;
  width:18px;
  height:2px;
  background:currentColor;
  transition:background .2s ease-out;
}
.bars::before,.bars::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:currentColor;
  transition:transform .25s ease-out;
}
.bars::before{top:-6px}
.bars::after{top:6px}
body.menu-open .bars{background:transparent}
body.menu-open .bars::before{transform:translateY(6px) rotate(45deg)}
body.menu-open .bars::after{transform:translateY(-6px) rotate(-45deg)}

.menu{
  position:fixed;
  inset:0;
  z-index:55;
  display:grid;
  place-content:center;
  padding:calc(var(--bar) + 24px) 22px 28px;
  background:rgba(23,38,35,.95);
  color:var(--paper);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  opacity:0;
  visibility:hidden;
  transform:translateY(-12px);
  transition:opacity .3s ease-out, transform .3s ease-out, visibility .3s linear;
  overflow:auto;
}
body.menu-open .menu{opacity:1;visibility:visible;transform:none}
.menu p{display:flex;flex-direction:column}
.menu a{
  display:flex;
  align-items:center;
  min-height:52px;
  padding:6px 4px;
  font-size:clamp(18px,2.6vw,23px);
  font-weight:500;
  border-bottom:1px solid rgba(212,196,168,.2);
}
.menu a:hover{color:var(--teal)}

.strip{
  overflow-x:auto;
  border-bottom:1px solid var(--line);
  background:rgba(245,240,231,.86);
  scrollbar-width:thin;
}
.strip p{
  display:flex;
  gap:2px;
  max-width:1180px;
  margin:0 auto;
  padding:0 10px;
  white-space:nowrap;
}
.strip a{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 12px;
  font-size:16px;
  color:rgba(23,38,35,.76);
}
.strip a:hover{color:var(--ink);box-shadow:inset 0 -2px 0 var(--teal)}

.hero{
  position:relative;
  min-height:100vh;
  min-height:100svh;
  display:flex;
  align-items:flex-end;
  justify-content:flex-end;
  padding:40px 24px 60px;
  overflow:hidden;
}

.glyph{
  position:absolute;
  top:5vh;
  right:-2vw;
  font-family:var(--mono);
  font-size:clamp(150px,30vw,330px);
  font-weight:700;
  line-height:.8;
  letter-spacing:-.05em;
  color:transparent;
  -webkit-text-stroke:2px rgba(23,38,35,.18);
  pointer-events:none;
  will-change:transform;
}

.hero-in{position:relative;text-align:right;max-width:min(780px,100%)}
.hero h1{
  font-size:clamp(32px,6.3vw,72px);
  font-weight:700;
  letter-spacing:-.02em;
}
.cue{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  margin-top:22px;
  padding:0 22px;
  font-weight:500;
  border:1px solid var(--ink);
  border-radius:4px;
  background:var(--glass);
  backdrop-filter:blur(6px);
  transition:background .2s ease-out, color .2s ease-out;
}
.cue:hover{background:var(--ink);color:var(--paper)}

.wrap{
  display:grid;
  grid-template-columns:238px minmax(0,1fr);
  gap:36px;
  align-items:start;
  max-width:1180px;
  margin:0 auto;
  padding:0 24px 72px;
}

.side{
  position:sticky;
  top:126px;
  display:grid;
  gap:14px;
}

.pane{
  padding:14px 14px 16px;
  border:1px solid var(--line);
  border-radius:4px;
  background:var(--glass);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:0 12px 26px -20px rgba(23,38,35,.9);
}
.pane h2{
  font-family:var(--mono);
  font-size:14px;
  font-weight:500;
  letter-spacing:.14em;
  color:var(--moss);
  margin-bottom:8px;
}
.pane h2 span{display:inline-block}
.toc a{
  display:flex;
  align-items:center;
  min-height:40px;
  padding:4px 0;
  font-size:16px;
  border-bottom:1px dashed var(--line);
}
.toc li:last-child a{border-bottom:0}
.toc a:hover{color:#2c7a6b}
.jump a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  font-size:16px;
  color:#2c7a6b;
}

.body{min-width:0}

.prose{
  padding:8px clamp(16px,3vw,42px) 40px;
  border:1px solid var(--line);
  border-radius:4px;
  background:var(--glass);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:0 26px 54px -44px rgba(23,38,35,.95);
}

.prose article{
  padding:44px 0;
  border-top:1px solid var(--line);
}
.prose article:first-child{border-top:0;padding-top:36px}
article[id]{scroll-margin-top:132px}

.prose h2{
  font-size:clamp(22px,3vw,30px);
  font-weight:600;
  margin:0 0 14px;
}
.prose h2 span{display:inline-block;padding-bottom:4px;border-bottom:3px solid var(--teal)}
.prose h3{font-size:19px;margin:22px 0 8px}
.prose h3 span{display:inline-block}
.prose p{font-size:17px;margin:0 0 14px}
.prose ul,.prose ol{margin:0 0 16px;padding-left:1.3em;list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin:0 0 6px}
.prose a{color:#2c7a6b;text-decoration:underline;text-underline-offset:3px}
.prose strong{font-weight:600}
.prose img{margin:16px 0;border:1px solid var(--line);border-radius:4px}
.prose blockquote{
  margin:16px 0;
  padding:12px 18px;
  border-left:3px solid var(--sand);
  border-radius:0 4px 4px 0;
  background:rgba(212,196,168,.28);
}
.prose blockquote p:last-child{margin:0}
.prose time{font-family:var(--mono);font-size:14px;color:var(--moss)}
.prose hr{border:0;border-top:1px solid var(--line);margin:24px 0}

.foot{
  background:var(--ink);
  color:#e7e0d3;
  padding:56px 24px 24px;
  margin-top:24px;
}
.foot a{color:inherit}

.cta{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  max-width:1180px;
  margin:0 auto;
  padding-bottom:32px;
  border-bottom:1px solid rgba(212,196,168,.26);
}
.cta-word{
  font-size:clamp(30px,7vw,62px);
  font-weight:700;
  line-height:1;
  letter-spacing:-.02em;
}
.cta-go a{
  display:inline-flex;
  align-items:center;
  min-height:48px;
  padding:0 24px;
  border:1px solid var(--teal);
  border-radius:4px;
  color:var(--teal);
  transition:background .2s ease-out, color .2s ease-out;
}
.cta-go a:hover{background:var(--teal);color:var(--ink)}

.cols{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
  max-width:1180px;
  margin:0 auto;
  padding:32px 0;
}
.col h2{
  font-family:var(--mono);
  font-size:14px;
  font-weight:500;
  letter-spacing:.16em;
  color:var(--sand);
  margin-bottom:10px;
}
.col h2 span{display:inline-block}
address{font-style:normal;font-size:16px;color:#cdc5b6}
.col ul{display:grid}
.col ul a{
  display:flex;
  align-items:center;
  min-height:40px;
  font-size:16px;
  color:#dcd5c7;
}
.col ul a:hover{color:var(--teal)}

.base{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:8px;
  max-width:1180px;
  margin:0 auto;
  padding-top:16px;
  border-top:1px solid rgba(212,196,168,.26);
  font-size:15px;
  color:#b6ae9f;
}
.base-nav{display:flex;gap:18px}
.base-nav a{display:inline-flex;align-items:center;min-height:40px}

.foot h2{font-weight:500}

@media (max-width:860px){
  .wrap{grid-template-columns:minmax(0,1fr);gap:20px;padding:0 16px 48px}
  .side{position:static}
  .toc{display:flex;flex-wrap:wrap;gap:6px}
  .toc a{
    min-height:40px;
    padding:0 12px;
    border:1px solid var(--line);
    border-radius:4px;
    background:rgba(255,255,255,.55);
    border-bottom:1px solid var(--line);
  }
  .toc li:last-child a{border-bottom:1px solid var(--line)}
  .cols{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero{padding:32px 16px 48px}
  .glyph{top:7vh;right:-4vw;font-size:46vw}
}

@media (max-width:540px){
  .search{max-width:none}
  .cols{grid-template-columns:minmax(0,1fr)}
  .cta{padding-bottom:24px}
  .foot{padding:44px 16px 20px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
}

button[aria-expanded]{min-width:44px;min-height:44px}