@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

:root{
  --ink:#192617;
  --ink2:#1d2f22;
  --card:#223628;
  --lime:#87ff71;
  --mustard:#ffce5c;
  --paper:#eeffef;
  --muted:#a9c6ae;
  --line:rgba(135,255,113,.28);
  --r:18px;
}

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

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

body{
  margin:0;
  padding-bottom:112px;
  overflow-x:hidden;
  background-color:var(--ink);
  background-image:
    radial-gradient(circle at 10% 6%, rgba(255,206,92,.16), transparent 44%),
    radial-gradient(circle at 92% 20%, rgba(135,255,113,.13), transparent 48%),
    repeating-linear-gradient(45deg, rgba(255,255,255,.022) 0 2px, transparent 2px 12px);
  color:var(--paper);
  font-family:'Noto Sans SC',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:17px;
  line-height:1.7;
  font-weight:400;
}

a{color:var(--lime);text-decoration:none}
a:hover{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
:focus-visible{outline:3px dashed var(--mustard);outline-offset:3px;border-radius:6px}
img{max-width:100%;height:auto;display:block}

hr{
  border:0;
  height:6px;
  margin:14px 0 22px;
  background:repeating-linear-gradient(90deg,var(--lime) 0 14px, transparent 14px 26px);
}

/* ---------- 底部固定条 ---------- */
.dock{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:60;
  display:flex;
  align-items:center;
  gap:6px;
  padding:9px 12px calc(9px + env(safe-area-inset-bottom));
  background:rgba(19,31,22,.97);
  border-top:2px solid var(--lime);
  box-shadow:0 -10px 30px rgba(0,0,0,.4);
}

.mark{
  display:block;
  width:14px;height:14px;
  background:var(--mustard);
  clip-path:polygon(50% 0,100% 100%,0 100%);
  transform:rotate(-8deg);
  flex:0 0 auto;
}

.dock-brand{
  display:inline-flex;
  align-items:center;
  gap:7px;
  flex:0 0 auto;
  min-height:44px;
  padding:0 8px;
  border:2px solid transparent;
  border-radius:12px;
  color:var(--paper);
  font-weight:700;
}
.dock-brand:hover{border-color:var(--lime);text-decoration:none}

.dock-name{
  font-size:16px;
  max-width:92px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

.dock-nav{flex:1 1 auto;min-width:0}

.dock-line{
  display:flex;
  gap:6px;
  margin:0;
  padding:2px 0;
  overflow-x:auto;
  scrollbar-width:none;
}
.dock-line::-webkit-scrollbar{display:none}

.dock-line a{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 12px;
  font-size:16px;
  white-space:nowrap;
  color:var(--paper);
  border:2px solid rgba(135,255,113,.34);
  border-radius:12px;
  background:rgba(135,255,113,.07);
  transition:background .18s, color .18s, transform .18s, border-color .18s;
}
.dock-line a:hover,
.dock-line a:focus-visible{
  background:var(--lime);
  color:var(--ink);
  border-color:var(--lime);
  text-decoration:none;
  transform:translateY(-2px);
}

.dock-tools{display:flex;gap:6px;flex:0 0 auto}

.tool{
  min-height:44px;
  padding:0 12px;
  font:inherit;
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  background:var(--mustard);
  border:2px solid var(--ink);
  border-radius:12px;
  cursor:pointer;
  box-shadow:3px 3px 0 rgba(0,0,0,.5);
  transition:transform .16s, box-shadow .16s;
}
.tool:hover{transform:translate(-1px,-2px);box-shadow:5px 6px 0 rgba(0,0,0,.5)}
.tool-top{background:var(--lime)}

/* ---------- 下拉面板 ---------- */
.panel{
  position:fixed;
  left:12px;right:12px;
  bottom:calc(74px + env(safe-area-inset-bottom));
  z-index:59;
  max-height:64vh;
  overflow:auto;
  padding:14px;
  background:#1e3123;
  border:2px solid var(--mustard);
  border-radius:var(--r);
  box-shadow:10px 10px 0 rgba(0,0,0,.45);
  opacity:0;
  transform:translateY(14px) rotate(-.6deg);
  pointer-events:none;
  transition:opacity .24s ease, transform .24s ease;
}
.panel.open{opacity:1;transform:none;pointer-events:auto}

.panel-search{display:flex;gap:8px;margin-bottom:12px}

.panel-search input{
  flex:1 1 auto;
  min-width:0;
  min-height:44px;
  padding:0 12px;
  font:inherit;
  font-size:16px;
  color:var(--paper);
  background:#12201a;
  border:2px dashed var(--lime);
  border-radius:12px;
}
.panel-search input::placeholder{color:var(--muted)}

.panel-search button{
  flex:0 0 auto;
  min-height:44px;
  padding:0 16px;
  font:inherit;
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  background:var(--lime);
  border:2px solid var(--ink);
  border-radius:12px;
  cursor:pointer;
}

.panel-cols{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.panel-cap{
  margin:0 0 6px;
  font-size:16px;
  letter-spacing:.2em;
  color:var(--mustard);
}
.panel-col ul{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.panel-col a{
  display:flex;
  align-items:center;
  min-height:44px;
  padding:0 10px;
  color:var(--paper);
  border:2px solid rgba(135,255,113,.22);
  border-radius:10px;
}
.panel-col a:hover,
.panel-col a:focus-visible{
  background:rgba(135,255,113,.15);
  border-color:var(--lime);
  text-decoration:none;
}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;
  overflow:hidden;
  min-height:100vh;
  display:grid;
  grid-template-columns:1fr;
  align-content:center;
  gap:26px;
  padding:60px 20px 104px;
  background:
    repeating-linear-gradient(-45deg, rgba(135,255,113,.055) 0 10px, transparent 10px 28px),
    var(--ink);
  border-bottom:3px solid var(--lime);
}

.hero-bg{
  position:absolute;
  left:-3%;
  bottom:-1%;
  z-index:0;
  margin:0;
  font-size:clamp(72px,23vw,220px);
  line-height:.82;
  font-weight:700;
  letter-spacing:.05em;
  white-space:nowrap;
  pointer-events:none;
  color:rgba(135,255,113,.1);
  -webkit-text-stroke:2px rgba(135,255,113,.24);
  transform:rotate(-3deg);
}

.hero-copy{position:relative;z-index:1;max-width:38ch}

.hero h1{
  margin:0 0 16px;
  font-size:clamp(34px,7.4vw,68px);
  line-height:1.12;
  font-weight:700;
  letter-spacing:-.01em;
}
.hero h1::after{
  content:"";
  display:block;
  width:120px;
  height:10px;
  margin-top:14px;
  background:repeating-linear-gradient(90deg,var(--mustard) 0 10px, transparent 10px 20px);
}

.lead{
  margin:0;
  padding-left:14px;
  border-left:4px dashed var(--lime);
  color:var(--muted);
  font-size:17px;
  max-width:34ch;
}

.hero-art{position:relative;z-index:1;justify-self:start;width:100%}
.hero-art::before{
  content:"";
  position:absolute;
  top:-12px;right:6px;
  width:60px;height:60px;
  background:var(--mustard);
  clip-path:polygon(50% 0,100% 100%,0 100%);
  transform:rotate(14deg);
  z-index:2;
}

.hero-img{
  width:100%;
  max-width:520px;
  border:3px solid var(--lime);
  border-radius:var(--r);
  box-shadow:12px 12px 0 rgba(0,0,0,.5);
  transform:rotate(-1.6deg);
}

.blob{
  display:block;
  width:100%;
  max-width:520px;
  aspect-ratio:4/3;
  background:repeating-linear-gradient(45deg,var(--lime) 0 16px,var(--mustard) 16px 32px);
  clip-path:polygon(5% 3%,96% 0,100% 90%,12% 100%);
}

/* ---------- 主区 ---------- */
main{padding:44px 16px 20px}

.wrap{
  max-width:1160px;
  margin:0 auto;
  display:grid;
  grid-template-columns:1fr;
  gap:26px;
}

/* ---------- 侧栏 ---------- */
.side{
  align-self:start;
  padding:16px;
  background:rgba(135,255,113,.06);
  border:2px solid var(--line);
  border-radius:var(--r);
  box-shadow:6px 6px 0 rgba(0,0,0,.32);
}
.side-cap{
  margin:0;
  font-size:16px;
  letter-spacing:.22em;
  color:var(--mustard);
}
.side hr{height:4px;margin:10px 0 12px;background:repeating-linear-gradient(90deg,var(--mustard) 0 8px, transparent 8px 16px)}

.side-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.side-list li{display:flex}
.side-list a{
  display:flex;
  align-items:center;
  min-height:42px;
  padding:0 11px;
  font-size:16px;
  color:var(--paper);
  border:2px solid rgba(135,255,113,.3);
  border-radius:10px;
}
.side-list a:hover,
.side-list a:focus-visible{
  background:var(--lime);
  color:var(--ink);
  border-color:var(--lime);
  text-decoration:none;
}

/* ---------- 正文 ---------- */
.col{min-width:0}
.prose{min-width:0}

.prose > section{
  position:relative;
  margin:0 0 26px;
  padding:22px 18px;
  background:var(--card);
  border:2px solid var(--line);
  border-radius:var(--r);
  box-shadow:8px 8px 0 rgba(0,0,0,.34), 0 14px 30px rgba(0,0,0,.24);
  scroll-margin-top:20px;
  transition:transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.prose > section:nth-child(even){transform:rotate(.4deg)}
.prose > section::before{
  content:"";
  position:absolute;
  top:-9px;right:16px;
  width:22px;height:22px;
  background:var(--mustard);
  clip-path:polygon(50% 0,100% 100%,0 100%);
  transform:rotate(10deg);
}
.prose > section:hover{
  transform:translateY(-3px) rotate(0deg);
  border-color:var(--lime);
  box-shadow:10px 13px 0 rgba(0,0,0,.4), 0 18px 34px rgba(0,0,0,.3);
}
.prose > section:last-child{margin-bottom:0}

.prose h2{
  margin:0 0 12px;
  font-size:clamp(22px,4vw,30px);
  line-height:1.35;
  color:var(--paper);
}
.prose h3{
  margin:22px 0 10px;
  font-size:19px;
  line-height:1.45;
  color:var(--mustard);
}
.prose p{margin:0 0 14px;color:#dcf0df}
.prose ul,.prose ol{margin:0 0 16px;padding-left:1.25em;color:#dcf0df}
.prose li{margin:0 0 8px}
.prose li::marker{color:var(--lime)}
.prose strong{color:var(--lime)}
.prose em{color:var(--mustard);font-style:normal}
.prose blockquote{
  margin:18px 0;
  padding:12px 16px;
  border-left:4px solid var(--lime);
  border-radius:0 12px 12px 0;
  background:rgba(135,255,113,.09);
  color:#e7fbea;
}
.prose img{
  margin:14px 0;
  border:2px solid var(--line);
  border-radius:14px;
}
.prose a{text-decoration:underline;text-underline-offset:3px}
.prose hr{margin:0 0 18px;background:repeating-linear-gradient(90deg,var(--mustard) 0 12px, transparent 12px 24px)}
.prose table{width:100%;border-collapse:collapse;display:block;overflow-x:auto;margin:0 0 16px}
.prose th,.prose td{border:1px solid var(--line);padding:8px 10px;text-align:left}

/* ---------- 页脚 ---------- */
.foot{
  position:relative;
  overflow:hidden;
  margin-top:44px;
  padding:40px 18px 30px;
  background:
    linear-gradient(180deg, rgba(135,255,113,.09), transparent 62%),
    var(--ink2);
  border-top:3px solid var(--lime);
}
.foot-top{
  max-width:1160px;
  margin:0 auto;
  display:grid;
  gap:22px;
}
.foot-addr{
  font-style:normal;
  display:grid;
  gap:8px;
  align-content:start;
}
.foot-brand{font-size:22px;font-weight:700;color:var(--lime)}
.foot-kw{font-size:16px;color:var(--muted)}

.foot-links{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:4px;
}
.foot-links a{
  display:flex;
  align-items:center;
  min-height:44px;
  padding:0 10px;
  color:var(--paper);
  border:2px solid transparent;
  border-radius:10px;
}
.foot-links a:hover,
.foot-links a:focus-visible{
  background:rgba(255,206,92,.16);
  border-color:var(--mustard);
  text-decoration:none;
}

.foot-big{
  max-width:1160px;
  margin:26px auto 0;
  font-size:clamp(38px,11vw,118px);
  line-height:.92;
  font-weight:700;
  letter-spacing:-.02em;
  white-space:nowrap;
  overflow:hidden;
  color:transparent;
  -webkit-text-stroke:2px rgba(255,206,92,.5);
}
.foot-copy{
  max-width:1160px;
  margin:14px auto 0;
  font-size:16px;
  color:var(--muted);
}

/* ---------- 动效 ---------- */
@media (prefers-reduced-motion: no-preference){
  .js .reveal{
    opacity:0;
    translate:0 18px;
    transition:opacity .55s ease, translate .55s cubic-bezier(.2,.8,.3,1);
  }
  .js .reveal.in{opacity:1;translate:0 0}
}

/* ---------- 断点 ---------- */
@media (max-width:399px){
  .dock-name{display:none}
}

@media (min-width:640px){
  .foot-links{grid-template-columns:repeat(3,minmax(0,1fr))}
  .panel-cols{grid-template-columns:repeat(3,minmax(0,1fr))}
}

@media (min-width:900px){
  body{padding-bottom:120px}
  .hero{
    grid-template-columns:1.05fr .95fr;
    align-items:center;
    padding:80px 40px 120px;
  }
  .hero-art{justify-self:end}
  .wrap{grid-template-columns:214px minmax(0,1fr);gap:36px}
  .side{position:sticky;top:24px;transform:rotate(-.7deg)}
  .side-list{flex-direction:column;flex-wrap:nowrap}
  .side-list a{border:0;border-left:3px solid transparent;border-radius:10px;min-height:40px}
  .side-list a:hover,.side-list a:focus-visible{
    background:rgba(135,255,113,.16);
    color:var(--paper);
    border-left-color:var(--lime);
  }
  main{padding:56px 24px 24px}
  .prose > section{padding:30px 28px}
  .foot-top{grid-template-columns:1fr 1.2fr;align-items:start}
  .foot{padding:52px 24px 36px}
  .panel{left:auto;right:20px;width:460px;bottom:calc(80px + env(safe-area-inset-bottom))}
}

@media (min-width:1100px){
  .panel{width:520px}
}

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