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

:root{
  --ink:#192617;
  --ink-deep:#101a0f;
  --neon:#87ff71;
  --gold:#ffce5c;
  --txt:#eaf6e4;
  --dim:#a9c2a0;
  --line:rgba(135,255,113,.32);
  --glass:rgba(255,255,255,.055);
  --r:10px;
  --pad:clamp(16px,5vw,64px);
}

*,*::before,*::after{box-sizing:border-box}
html{font-size:17px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Space Grotesk","Archivo",system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:1rem;
  line-height:1.65;
  color:var(--txt);
  background-color:var(--ink);
  background-image:
    radial-gradient(circle at 10% 6%,rgba(135,255,113,.17),transparent 44%),
    radial-gradient(circle at 90% 2%,rgba(255,206,92,.15),transparent 38%),
    repeating-radial-gradient(circle at 50% 120%,rgba(135,255,113,.05) 0 1px,transparent 1px 26px);
  background-attachment:fixed,fixed,fixed;
  overflow-x:hidden;
}
img{max-width:100%}
[id]{scroll-margin-top:132px}
a{color:var(--gold)}

/* ---------- 顶部：品牌行 + 菜单行 ---------- */
.top{
  position:sticky;
  top:0;
  z-index:40;
  padding:10px var(--pad) 8px;
  background:rgba(25,38,23,.88);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px dashed var(--line);
}
.top-row{display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:inline-flex;align-items:center;gap:10px;min-height:44px;text-decoration:none;color:var(--txt)}
.mark{width:34px;height:34px;border-radius:8px;display:block;border:1px solid var(--line)}
.brand-txt{
  font-family:"Archivo",system-ui,sans-serif;
  font-weight:700;
  letter-spacing:.06em;
  font-size:1.02rem;
  line-height:1.2;
}
.cta{
  display:inline-flex;align-items:center;min-height:44px;
  padding:10px 18px;border-radius:var(--r);
  background:var(--neon);color:#0e2109;
  font-weight:700;font-size:.95rem;text-decoration:none;
  transform:rotate(-1.6deg);
  box-shadow:4px 4px 0 rgba(255,206,92,.9);
  transition:transform .18s ease,box-shadow .18s ease;
}
.cta:hover,.cta:focus-visible{transform:rotate(0) translate(-1px,-1px);box-shadow:6px 6px 0 rgba(255,206,92,.9)}
.menu{
  display:flex;gap:6px;
  overflow-x:auto;
  padding:4px 0 2px;
  scrollbar-width:none;
}
.menu::-webkit-scrollbar{display:none}
.menu-link{
  display:inline-flex;align-items:center;min-height:42px;
  padding:8px 13px;border-radius:999px;
  border:1px solid transparent;
  color:var(--dim);text-decoration:none;
  font-size:.95rem;white-space:nowrap;
}
.menu-link:hover,.menu-link:focus-visible{color:var(--ink-deep);background:var(--gold);border-color:var(--gold)}

/* ---------- 首屏 ---------- */
main{display:block}
.hero{
  position:relative;
  display:grid;
  grid-template-columns:1.05fr 1fr;
  align-items:center;
  gap:clamp(18px,4vw,56px);
  min-height:100svh;
  padding:clamp(24px,5vw,72px) var(--pad) clamp(28px,5vw,56px);
}
.hero-copy{position:relative;text-align:center}
.bar{display:block;width:68px;height:8px;margin:0 auto 18px;border-radius:99px;background:var(--neon);transform:rotate(-3.5deg)}
h1{
  margin:0 0 16px;
  font-family:"Archivo",system-ui,sans-serif;
  font-weight:700;
  font-size:clamp(2rem,5.2vw,3.6rem);
  line-height:1.1;
  letter-spacing:-.015em;
  color:#fff;
  text-shadow:0 0 0 rgba(0,0,0,0);
}
h1::selection{background:var(--gold)}
.hero-desc{margin:0 auto;max-width:34ch;color:var(--dim);font-size:1.02rem}

.hero-art{
  position:relative;
  margin:0;
  align-self:center;
  width:100%;
  aspect-ratio:4/3.4;
  max-height:min(72svh,600px);
  overflow:hidden;
  border-radius:var(--r);
  border:1px dashed var(--line);
  background:linear-gradient(150deg,rgba(135,255,113,.16),rgba(255,206,92,.10) 60%,rgba(25,38,23,.4));
  isolation:isolate;
  will-change:transform;
}
.hero-art::after{
  content:"";
  position:absolute;inset:0;z-index:1;
  background:repeating-linear-gradient(45deg,rgba(25,38,23,.16) 0 6px,transparent 6px 16px);
  pointer-events:none;
}
.hero-img{position:relative;z-index:2;width:100%;height:100%;object-fit:cover;display:block;opacity:.96}
.shape{position:absolute;z-index:3;pointer-events:none;mix-blend-mode:screen}
.dot{
  width:118px;height:118px;left:-22px;top:-26px;border-radius:50%;
  background:repeating-radial-gradient(circle at center,var(--gold) 0 3px,transparent 3px 12px);
  opacity:.85;
}
.tri{
  width:168px;height:148px;right:-24px;top:36%;
  background:linear-gradient(160deg,var(--neon),rgba(135,255,113,.25));
  clip-path:polygon(50% 0,100% 100%,0 100%);
  transform:rotate(11deg);
  opacity:.9;
}
.squig{
  width:150px;height:26px;right:12px;bottom:74px;background:var(--neon);opacity:.9;
  clip-path:polygon(0 62%,10% 22%,20% 62%,30% 22%,40% 62%,50% 22%,60% 62%,70% 22%,80% 62%,90% 22%,100% 62%,100% 100%,0 100%);
  transform:rotate(-5deg);
}
.badge{
  position:absolute;z-index:4;
  padding:8px 14px;border-radius:999px;white-space:nowrap;
  background:rgba(16,26,15,.72);
  border:1px dashed var(--gold);color:var(--gold);
  font-size:.95rem;letter-spacing:.08em;
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
}
.badge-a{top:14px;right:14px;transform:rotate(3deg);color:var(--neon);border-color:var(--neon)}
.badge-b{bottom:16px;left:16px;transform:rotate(-3deg)}

/* ---------- 正文 + 右侧栏 ---------- */
.reader{
  display:grid;
  grid-template-columns:minmax(0,1fr) 262px;
  align-items:start;
  gap:clamp(16px,3vw,34px);
  padding:clamp(20px,4vw,46px) var(--pad) clamp(40px,6vw,72px);
}
.prose{
  min-width:0;
  padding:clamp(18px,3vw,38px);
  border-radius:var(--r);
  border:1px solid rgba(255,255,255,.10);
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 22px 60px -38px rgba(0,0,0,.95);
}
.prose section{padding-block:6px}
.prose section + section{margin-top:26px;padding-top:26px;border-top:1px dashed var(--line)}
.prose section:first-child{padding-top:0}
.prose h2{
  margin:.1em 0 .55em;
  font-family:"Archivo",system-ui,sans-serif;
  font-size:clamp(1.3rem,2.5vw,1.78rem);
  line-height:1.25;
  color:var(--neon);
  letter-spacing:-.01em;
}
.prose h2::before{
  content:"";display:inline-block;
  width:13px;height:13px;margin-right:10px;
  background:var(--gold);
  clip-path:polygon(0 0,100% 50%,0 100%);
  transform:translateY(-2px);
}
.prose h3{
  margin:1.1em 0 .4em;
  font-family:"Archivo",system-ui,sans-serif;
  font-size:1.16rem;line-height:1.35;color:var(--gold);
}
.prose p{margin:0 0 1em}
.prose p:last-child{margin-bottom:0}
.prose ul,.prose ol{margin:0 0 1em;padding-left:1.35em}
.prose li{margin:.35em 0}
.prose li::marker{color:var(--neon)}
.prose strong,.prose b{color:#fff}
.prose a{color:var(--gold);text-decoration:underline dotted;text-underline-offset:3px}
.prose a:hover{color:var(--neon)}
.prose hr{border:0;border-top:2px dotted var(--gold);margin:14px 0 20px}
.prose figure{margin:18px 0}
.prose img{border-radius:8px;display:block;height:auto}
.prose blockquote{
  margin:18px 0;padding:12px 16px;
  border-left:4px solid var(--neon);
  border-radius:0 8px 8px 0;
  background:rgba(135,255,113,.08);
  color:#fff;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose time{color:var(--gold);font-variant-numeric:tabular-nums}

.side{
  position:sticky;
  top:118px;
  padding:16px 14px;
  border-radius:var(--r);
  border:1px dashed var(--line);
  background:var(--glass);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.side-h{
  margin:0;
  font-family:"Archivo",system-ui,sans-serif;
  font-size:1rem;letter-spacing:.1em;color:var(--gold);
}
.side-rule{border:0;border-top:2px dotted var(--neon);margin:10px 0 12px}
.side-nav{display:flex;flex-direction:column;gap:2px}
.side-link{
  display:flex;align-items:center;min-height:42px;
  padding:8px 10px;border-radius:8px;
  border-left:3px solid transparent;
  color:var(--txt);text-decoration:none;font-size:.95rem;line-height:1.35;
}
.side-link:hover,.side-link:focus-visible{background:rgba(135,255,113,.13);border-left-color:var(--neon);color:#fff}

/* ---------- 页脚 ---------- */
footer{
  margin-top:12px;
  border-top:1px dashed var(--line);
  background:linear-gradient(180deg,rgba(135,255,113,.07),transparent 62%);
}
.foot-brand{padding:clamp(24px,5vw,52px) var(--pad) 4px}
.giant{
  margin:0;
  font-family:"Archivo",system-ui,sans-serif;
  font-weight:700;
  font-size:clamp(2.1rem,11vw,5.6rem);
  line-height:.95;
  letter-spacing:-.02em;
  word-break:break-all;
  color:rgba(135,255,113,.22);
  -webkit-text-stroke:2px var(--neon);
}
.foot-nav{padding:10px var(--pad) 16px}
.foot-nav dl{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;margin:0}
.foot-nav dt{color:var(--gold);font-size:.95rem;letter-spacing:.12em}
.foot-nav dd{margin:0}
.foot-nav a{
  display:inline-flex;align-items:center;min-height:40px;
  padding:6px 13px;border-radius:999px;
  border:1px dotted var(--line);
  color:var(--txt);text-decoration:none;font-size:.95rem;
}
.foot-nav a:hover,.foot-nav a:focus-visible{background:var(--neon);border-color:var(--neon);color:var(--ink-deep)}
.foot-base{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;
  padding:12px var(--pad) 26px;
  border-top:1px dotted rgba(135,255,113,.18);
}
.copy{margin:0;color:var(--dim);font-size:.95rem}
.totop{
  display:inline-flex;align-items:center;min-height:40px;
  padding:6px 14px;border-radius:999px;
  border:1px solid var(--gold);color:var(--gold);
  text-decoration:none;font-size:.95rem;
}
.totop:hover{background:var(--gold);color:var(--ink-deep)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .62s ease,transform .62s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- 断点 ---------- */
@media (max-width:960px){
  .hero{grid-template-columns:1fr;min-height:0;gap:22px;padding-top:clamp(18px,6vw,34px)}
  .hero-copy{order:1}
  .hero-art{order:2;aspect-ratio:16/11;max-height:none}
  .reader{grid-template-columns:1fr}
  .side{position:static;order:2}
  h1{font-size:clamp(1.8rem,7.4vw,2.6rem)}
}
@media (max-width:640px){
  html{font-size:16.5px}
  [id]{scroll-margin-top:150px}
  .top{padding:8px var(--pad) 6px}
  .brand-txt{font-size:.98rem}
  .cta{padding:9px 14px;box-shadow:3px 3px 0 rgba(255,206,92,.9)}
  .menu-link{padding:8px 11px}
  .prose{padding:16px 14px}
  .side{padding:14px 12px}
  .badge{font-size:.9rem;padding:6px 11px}
  .squig{display:none}
  .giant{-webkit-text-stroke-width:1.5px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .cta{transform:none}
}

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