@import url('https://fonts.googleapis.com/css2?family=Baloo+2:wght@400;500;600;700&family=Comic+Neue:wght@300;400;700&display=swap');

:root{
  --lime:#80ff00;
  --neon:#00ff00;
  --ink:#1f2617;
  --paper:#f2ffdc;
  --cream:#fbfff0;
  --line:rgba(31,38,23,.26);
  --hard:6px 6px 0 var(--ink);
  --hard-sm:4px 4px 0 var(--ink);
}

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

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

body{
  margin:0;
  overflow-x:hidden;
  font-family:'Baloo 2','Comic Neue',system-ui,-apple-system,'Segoe UI',sans-serif;
  font-size:17px;
  line-height:1.7;
  color:var(--ink);
  background-color:var(--paper);
  background-image:
    radial-gradient(rgba(31,38,23,.14) 1px, transparent 1px),
    radial-gradient(rgba(31,38,23,.08) 1px, transparent 1px);
  background-size:19px 19px, 19px 19px;
  background-position:0 0, 9px 9px;
  filter:saturate(118%);
}

body.menu-open{overflow:hidden;}

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

a{color:var(--ink);}

small{
  display:inline-block;
  font-family:'Comic Neue',system-ui,sans-serif;
  font-weight:700;
  font-size:13px;
  letter-spacing:.16em;
  line-height:1.4;
  background:var(--neon);
  color:var(--ink);
  border:2px solid var(--ink);
  border-radius:7px;
  padding:2px 9px;
  transform:rotate(-1.6deg);
  box-shadow:3px 3px 0 var(--ink);
}

/* ---------- 顶部 ---------- */
.site-head{
  position:sticky;
  top:0;
  z-index:100;
  background:var(--lime);
  border-bottom:4px solid var(--ink);
}

.brandrow{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:8px 14px;
  position:relative;
  z-index:90;
}

.logo{
  display:inline-flex;
  align-items:center;
  gap:9px;
  min-height:44px;
  text-decoration:none;
  transform:rotate(-1.2deg);
}

.logo-img{
  width:36px;
  height:36px;
  object-fit:contain;
  background:var(--cream);
  border:3px solid var(--ink);
  border-radius:9px;
}

.logo-txt{
  font-size:21px;
  font-weight:700;
  letter-spacing:-.5px;
  border-bottom:4px solid var(--ink);
  line-height:1.2;
}

.hrow{
  display:flex;
  align-items:center;
  gap:8px;
}

.about{
  display:inline-flex;
  align-items:center;
  min-height:42px;
  padding:0 11px;
  font-size:15px;
  font-weight:700;
  text-decoration:none;
  background:var(--cream);
  border:3px solid var(--ink);
  border-radius:10px;
  box-shadow:var(--hard-sm);
  transform:rotate(1.6deg);
}

.about:hover,.about:focus-visible{background:var(--neon);transform:rotate(-1deg) translateY(-1px);}

.burger{
  min-height:44px;
  min-width:64px;
  padding:0 12px;
  font-family:inherit;
  font-size:16px;
  font-weight:700;
  color:var(--lime);
  background:var(--ink);
  border:3px solid var(--ink);
  border-radius:10px;
  cursor:pointer;
  transform:rotate(-2deg);
}

.burger:active{transform:rotate(-2deg) translate(1px,2px);}

/* 全屏遮罩菜单 */
.site-head nav{
  position:fixed;
  inset:0;
  z-index:80;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:88px 18px 40px;
  overflow:auto;
  background:var(--ink);
  background-image:repeating-linear-gradient(135deg, rgba(128,255,0,.14) 0 12px, transparent 12px 26px);
  transform:translateY(-102%);
  transition:transform .34s cubic-bezier(.3,.9,.2,1);
  pointer-events:none;
}

body.menu-open .site-head nav{transform:none;pointer-events:auto;}

.site-head nav p{
  display:flex;
  flex-direction:column;
  gap:4px;
  margin:0;
  text-align:center;
}

.site-head nav p a{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  padding:8px 16px;
  font-size:23px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--lime);
  text-decoration:none;
  border-bottom:2px dashed rgba(128,255,0,.4);
}

.site-head nav p a:hover,.site-head nav p a:focus-visible{color:var(--ink);background:var(--neon);border-radius:10px;}

/* 滚动条 */
.ticker{
  overflow:hidden;
  border-top:3px solid var(--ink);
  background:var(--cream);
}

.ticker-in{
  display:flex;
  gap:26px;
  width:max-content;
  padding:3px 0;
  white-space:nowrap;
  font-family:'Comic Neue',system-ui,sans-serif;
  font-size:13px;
  font-weight:700;
  letter-spacing:.22em;
  animation:mq 24s linear infinite;
}

@keyframes mq{to{transform:translateX(-50%);}}

/* ---------- 首屏 ---------- */
.hero{
  display:grid;
  grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);
  gap:18px;
  align-items:center;
  min-height:45vh;
  padding:20px 16px;
  background:var(--neon);
  border-bottom:4px solid var(--ink);
}

.hero-media{min-width:0;}

.hero-img{
  width:100%;
  max-height:42vh;
  object-fit:cover;
  border:4px solid var(--ink);
  border-radius:10px;
  box-shadow:8px 8px 0 var(--ink);
  transform:rotate(-2.2deg);
}

.hero-copy{text-align:right;min-width:0;}

.hero-copy small{animation:jit 3.6s ease-in-out infinite;}

@keyframes jit{0%,100%{transform:rotate(-1.6deg);}50%{transform:rotate(2.4deg);}}

.hero h1{
  margin:12px 0 10px;
  font-size:clamp(29px,6vw,56px);
  line-height:1.04;
  letter-spacing:-1.4px;
  text-shadow:3px 3px 0 rgba(251,255,240,.85);
}

.hero-desc{
  margin:0 0 16px;
  font-size:17px;
  line-height:1.6;
  max-width:34em;
  margin-left:auto;
}

.cta{
  display:inline-flex;
  align-items:center;
  min-height:46px;
  padding:0 20px;
  font-size:17px;
  font-weight:700;
  text-decoration:none;
  color:var(--lime);
  background:var(--ink);
  border:4px solid var(--ink);
  border-radius:10px;
  box-shadow:var(--hard);
  transform:rotate(-1.6deg);
}

.cta:hover,.cta:focus-visible{background:var(--cream);color:var(--ink);transform:rotate(1.2deg);}

/* ---------- 主体骨架 ---------- */
.wrap{
  display:grid;
  grid-template-columns:236px minmax(0,1fr);
  gap:26px;
  align-items:start;
  max-width:1080px;
  margin:0 auto;
  padding:30px 16px 56px;
}

.side{
  position:sticky;
  top:118px;
  padding:14px 12px 16px;
  background:var(--cream);
  border:3px solid var(--ink);
  border-radius:10px;
  box-shadow:var(--hard);
  transform:rotate(-1.1deg);
}

.side h2{
  margin:9px 0 10px;
  font-size:20px;
  line-height:1.2;
  letter-spacing:-.4px;
}

.side-list{
  margin:0;
  padding:0;
  list-style:none;
  counter-reset:sn;
}

.side-list li + li{margin-top:2px;}

.side-list a{
  display:flex;
  align-items:center;
  gap:8px;
  min-height:40px;
  padding:4px 2px;
  font-size:15px;
  font-weight:600;
  text-decoration:none;
  border-bottom:2px dashed var(--line);
}

.side-list a::before{
  counter-increment:sn;
  content:counter(sn,decimal-leading-zero);
  font-family:'Comic Neue',system-ui,sans-serif;
  font-size:12px;
  font-weight:700;
  color:var(--lime);
  background:var(--ink);
  border-radius:5px;
  padding:1px 5px;
}

.side-list a:hover,.side-list a:focus-visible{background:var(--neon);border-radius:7px;}

.stream{min-width:0;}

.content{
  padding:20px 18px 26px;
  background:var(--cream);
  border:4px solid var(--ink);
  border-radius:10px;
  box-shadow:var(--hard);
}

.content div{scroll-margin-top:126px;}

.content div + div{
  margin-top:34px;
  padding-top:30px;
  border-top:4px dashed var(--line);
}

.content h2{
  margin:8px 0 14px;
  font-size:clamp(22px,4vw,31px);
  line-height:1.15;
  letter-spacing:-.8px;
  padding-bottom:9px;
  border-bottom:4px solid var(--ink);
}

.content h3{
  margin:22px 0 10px;
  font-size:20px;
  line-height:1.25;
}

.content p{margin:0 0 14px;}

.content ul,.content ol{margin:0 0 16px;padding-left:24px;}

.content li{margin:5px 0;}

.content li::marker{color:var(--ink);font-weight:700;}

.content a{
  color:var(--ink);
  font-weight:600;
  text-decoration:none;
  border-bottom:3px solid var(--lime);
  background:linear-gradient(transparent 62%, rgba(0,255,0,.45) 62%);
}

.content a:hover{border-bottom-color:var(--ink);}

.content img{
  border:3px solid var(--ink);
  border-radius:10px;
  box-shadow:var(--hard-sm);
  margin:16px 0;
}

.content blockquote{
  margin:18px 0;
  padding:12px 16px;
  background:var(--neon);
  border:3px solid var(--ink);
  border-radius:10px;
  transform:rotate(-.6deg);
}

.content blockquote p:last-child{margin-bottom:0;}

.content table{
  width:100%;
  border-collapse:collapse;
  margin:16px 0;
  font-size:16px;
}

.content th,.content td{
  border:2px solid var(--ink);
  padding:8px 10px;
  text-align:left;
}

.content th{background:var(--lime);}

.content code{
  font-family:ui-monospace,monospace;
  font-size:15px;
  background:rgba(31,38,23,.09);
  border-radius:5px;
  padding:1px 5px;
}

/* ---------- 页脚 ---------- */
.site-foot{
  background:var(--ink);
  color:var(--lime);
  border-top:6px solid var(--lime);
  padding:34px 16px 16px;
}

.foot-cols{
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);
  gap:26px;
  max-width:1080px;
  margin:0 auto;
}

.foot-brand address{
  font-style:normal;
  font-size:26px;
  font-weight:700;
  line-height:1.2;
  letter-spacing:-.6px;
  transform:rotate(-1.4deg);
  display:inline-block;
}

.foot-kw{
  display:inline-block;
  margin-top:9px;
  font-family:'Comic Neue',system-ui,sans-serif;
  font-size:13px;
  font-weight:700;
  letter-spacing:.18em;
  color:var(--ink);
  background:var(--neon);
  border-radius:6px;
  padding:2px 8px;
}

.foot-links ul{
  display:flex;
  flex-wrap:wrap;
  gap:2px 16px;
  margin:0;
  padding:0;
  list-style:none;
}

.foot-links a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  font-size:15px;
  font-weight:600;
  color:var(--lime);
  text-decoration:none;
  border-bottom:2px solid rgba(128,255,0,.4);
}

.foot-links a:hover,.foot-links a:focus-visible{color:var(--neon);border-bottom-color:var(--neon);}

.foot-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  max-width:1080px;
  margin:26px auto 0;
  padding-top:12px;
  border-top:2px dashed rgba(128,255,0,.35);
}

.foot-bottom p{margin:0;font-size:15px;}

.foot-bottom a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:0 10px;
  font-size:15px;
  font-weight:700;
  color:var(--lime);
  text-decoration:none;
  border:2px solid var(--lime);
  border-radius:8px;
}

.foot-bottom a:hover,.foot-bottom a:focus-visible{background:var(--lime);color:var(--ink);}

/* ---------- 滚动进入 ---------- */
.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .5s ease,transform .5s cubic-bezier(.2,.8,.3,1);
}

.reveal.in{opacity:1;transform:none;}

/* ---------- 断点 ---------- */
@media (max-width:820px){
  .wrap{grid-template-columns:minmax(0,1fr);gap:20px;padding-top:24px;}
  .side{position:static;transform:none;}
  .side-list{display:flex;flex-wrap:wrap;gap:4px 12px;}
  .side-list li + li{margin-top:0;}
  .side-list a{padding:2px 0;border-bottom-width:2px;}
}

@media (max-width:640px){
  .hero{
    grid-template-columns:minmax(0,1fr);
    min-height:0;
    padding:16px 14px 22px;
    gap:12px;
  }
  .hero-img{max-height:32vh;transform:rotate(-1.4deg);box-shadow:5px 5px 0 var(--ink);}
  .hero h1{margin:10px 0 8px;}
  .hero-desc{font-size:16px;margin-bottom:14px;}
  .brandrow{padding:7px 12px;}
  .logo-txt{font-size:18px;}
  .about{padding:0 9px;font-size:14px;}
  .burger{min-width:58px;padding:0 9px;}
  .content{padding:16px 13px 22px;}
  .content div{scroll-margin-top:150px;}
  .foot-cols{grid-template-columns:minmax(0,1fr);gap:16px;}
  .site-head nav p a{font-size:21px;}
  .foot-bottom{flex-wrap:wrap;}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation:none !important;transition:none !important;}
}

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