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

:root{
  --red:#ff0000;
  --mag:#ff006e;
  --ink:#1a1a2e;
  --bg:#08080f;
  --panel:#11111d;
  --line:rgba(255,0,110,.26);
  --line-soft:rgba(255,0,110,.14);
  --txt:#e9e6f3;
  --dim:#a9a3bd;
  --rail:220px;
  --head:64px;
}

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

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

body{
  margin:0;
  padding-left:var(--rail);
  background:var(--bg);
  color:var(--txt);
  font-family:'Exo 2','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  font-size:17px;
  line-height:1.75;
  min-height:100vh;
  overflow-x:hidden;
}

body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:70;
  pointer-events:none;
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.05) 0 1px,rgba(0,0,0,0) 1px 3px);
  mix-blend-mode:screen;
  opacity:.55;
}

a{color:var(--mag);text-decoration:none}
a:hover{color:var(--red)}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{font-family:Orbitron,'Exo 2',system-ui,sans-serif;line-height:1.28;margin:0 0 .6em}
p{margin:0 0 1.1em}
ul,ol,dl{margin:0;padding:0;list-style:none}

/* ---------- 左侧固定栏 ---------- */
.rail{
  position:fixed;
  left:0;top:0;bottom:0;
  width:var(--rail);
  z-index:50;
  display:flex;
  flex-direction:column;
  gap:16px;
  padding:22px 16px;
  border-right:1px solid var(--line);
  background:linear-gradient(180deg,#11111f 0%,#08080f 60%,#0b0b14 100%);
  overflow-y:auto;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  font-family:Orbitron,sans-serif;
  font-size:19px;
  letter-spacing:.06em;
  color:#fff;
  text-shadow:0 0 10px rgba(255,0,110,.85),0 0 24px rgba(255,0,0,.45);
  border-bottom:1px solid var(--line-soft);
  padding-bottom:14px;
}
.brand-txt{word-break:break-word;line-height:1.3}
.logo-img{width:34px;height:34px;border:1px solid var(--line);border-radius:4px;object-fit:cover}

.burger{
  min-height:44px;
  width:100%;
  font-family:Orbitron,sans-serif;
  font-size:14px;
  letter-spacing:.22em;
  color:var(--mag);
  background:rgba(255,0,110,.06);
  border:1px solid var(--line);
  border-radius:4px;
  cursor:pointer;
  transition:background .2s,color .2s,box-shadow .2s;
}
.burger:hover,.burger[aria-expanded="true"]{
  color:#fff;
  background:rgba(255,0,110,.2);
  box-shadow:0 0 14px rgba(255,0,110,.5);
}

.find{display:flex;flex-direction:column;gap:8px}
.find-input{
  min-height:44px;
  width:100%;
  padding:0 10px;
  font-family:inherit;
  font-size:16px;
  color:var(--txt);
  background:#0e0e1a;
  border:1px solid var(--line);
  border-radius:4px;
}
.find-input:focus{outline:none;border-color:var(--mag);box-shadow:0 0 12px rgba(255,0,110,.4)}
.find-btn{
  min-height:44px;
  font-family:Orbitron,sans-serif;
  font-size:13px;
  letter-spacing:.18em;
  color:#0a0a14;
  background:var(--mag);
  border:0;
  border-radius:4px;
  cursor:pointer;
}
.find-btn:hover{background:var(--red);color:#fff}

/* ---------- 全屏菜单 ---------- */
.veil{
  position:fixed;
  inset:0;
  z-index:60;
  opacity:0;
  visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;
  background:rgba(6,6,12,.92);
  backdrop-filter:blur(6px);
  display:flex;
  align-items:center;
  justify-content:center;
  overflow-y:auto;
}
.veil.open{opacity:1;visibility:visible}
.veil-panel{
  width:min(620px,100%);
  padding:32px 22px 48px;
}
.veil-top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:22px}
.veil-brand{
  font-family:Orbitron,sans-serif;
  font-size:16px;
  letter-spacing:.12em;
  color:#fff;
  text-shadow:0 0 12px rgba(255,0,110,.8);
}
.veil-close{
  min-height:44px;
  padding:0 18px;
  font-family:Orbitron,sans-serif;
  font-size:13px;
  letter-spacing:.18em;
  color:var(--mag);
  background:transparent;
  border:1px solid var(--line);
  border-radius:4px;
  cursor:pointer;
}
.veil-close:hover{color:#fff;background:rgba(255,0,110,.2)}
.veil-nav ul{display:flex;flex-direction:column;gap:2px}
.veil-nav a{
  display:flex;
  align-items:center;
  min-height:52px;
  padding:6px 12px;
  font-family:Orbitron,sans-serif;
  font-size:19px;
  letter-spacing:.04em;
  color:var(--txt);
  border-left:2px solid transparent;
  border-bottom:1px solid var(--line-soft);
  transition:padding-left .18s,color .18s,border-color .18s,text-shadow .18s;
}
.veil-nav a:hover{
  color:#fff;
  padding-left:22px;
  border-left-color:var(--red);
  text-shadow:0 0 12px rgba(255,0,110,.9);
}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;
  min-height:70vh;
  display:grid;
  place-items:center;
  text-align:center;
  overflow:hidden;
  padding:56px 20px;
  border-bottom:1px solid var(--line);
  background:radial-gradient(circle at 50% 20%,#1b1b34 0%,#0a0a14 62%,#08080f 100%);
}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-img{width:100%;height:100%;object-fit:cover;opacity:.62;filter:saturate(1.15) contrast(1.06) hue-rotate(-8deg)}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  background:
    linear-gradient(180deg,rgba(8,8,15,.72) 0%,rgba(8,8,15,.42) 45%,rgba(8,8,15,.94) 100%),
    radial-gradient(circle at 50% 50%,rgba(255,0,110,.16),transparent 62%);
}
.hero-inner{position:relative;z-index:2;max-width:840px;display:flex;flex-direction:column;align-items:center;gap:14px}
.badge{
  display:inline-block;
  padding:6px 16px;
  font-family:Orbitron,sans-serif;
  font-size:13px;
  letter-spacing:.2em;
  color:#fff;
  border:1px solid var(--mag);
  border-radius:4px;
  background:rgba(255,0,110,.12);
  box-shadow:0 0 16px rgba(255,0,110,.55);
  animation:float 5s ease-in-out infinite;
}
.hero h1{
  margin:0;
  font-size:clamp(2rem,5.6vw,4.2rem);
  letter-spacing:.02em;
  color:#fff;
  text-shadow:0 0 14px rgba(255,0,110,.75),0 0 34px rgba(255,0,0,.45);
  animation:glitch 6s steps(1) infinite;
}
.hero-desc{
  margin:0;
  max-width:620px;
  color:var(--dim);
  font-size:17px;
  line-height:1.7;
}
.hero-cta{
  margin-top:8px;
  display:inline-flex;
  align-items:center;
  min-height:46px;
  padding:0 26px;
  font-family:Orbitron,sans-serif;
  font-size:14px;
  letter-spacing:.18em;
  color:#0a0a14;
  background:linear-gradient(90deg,var(--red),var(--mag));
  border-radius:4px;
  box-shadow:0 0 18px rgba(255,0,110,.55);
  transition:transform .2s,box-shadow .2s;
}
.hero-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 0 26px rgba(255,0,0,.8)}

/* ---------- 主体 ---------- */
main{
  display:grid;
  grid-template-columns:200px minmax(0,1fr);
  gap:clamp(20px,3.4vw,44px);
  max-width:1180px;
  margin:0 auto;
  padding:clamp(28px,4vw,52px) clamp(16px,3vw,40px) 60px;
  align-items:start;
}

.side{
  position:sticky;
  top:24px;
  border:1px solid var(--line-soft);
  border-radius:4px;
  background:rgba(17,17,29,.72);
  padding:16px 14px;
  border-bottom:3px solid var(--mag);
}
.side small{
  display:block;
  font-family:Orbitron,sans-serif;
  font-size:12px;
  letter-spacing:.26em;
  color:var(--mag);
  margin-bottom:4px;
}
.side-h{
  font-size:16px;
  letter-spacing:.1em;
  color:#fff;
  margin:0 0 12px;
}
.side-list{display:flex;flex-direction:column;gap:2px}
.side-list a{
  display:flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:4px 6px;
  color:var(--dim);
  font-size:15px;
  border-bottom:1px dashed var(--line-soft);
  transition:color .18s,padding-left .18s;
}
.side-list a:hover{color:#fff;padding-left:10px}
.side-list .num{
  font-family:Orbitron,sans-serif;
  font-size:12px;
  color:var(--mag);
  letter-spacing:.08em;
}
.side-list .txt{line-height:1.35}

.prose{min-width:0;max-width:760px}
.prose div{scroll-margin-top:84px}
.prose div + div{
  margin-top:44px;
  padding-top:34px;
  border-top:1px dashed var(--line-soft);
}
.prose h2{
  font-size:clamp(1.4rem,2.6vw,2rem);
  color:#fff;
  letter-spacing:.02em;
  text-shadow:0 0 12px rgba(255,0,110,.5);
}
.prose h2 + p{margin-top:.4em}
.prose h3{font-size:1.15rem;color:#fff}
.prose small{
  display:block;
  font-family:Orbitron,sans-serif;
  font-size:12px;
  letter-spacing:.24em;
  color:var(--mag);
  margin-bottom:6px;
}
.prose p,.prose li{color:#d9d5e6}
.prose ul,.prose ol{margin:0 0 1.1em;padding-left:1.3em}
.prose ul{list-style:none;padding-left:0}
.prose ul > li{
  position:relative;
  padding-left:20px;
  margin-bottom:.55em;
}
.prose ul > li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:8px;height:2px;
  background:var(--mag);
  box-shadow:0 0 8px var(--mag);
}
.prose ol{list-style:decimal}
.prose ol > li{margin-bottom:.55em}
.prose blockquote{
  margin:1.4em 0;
  padding:14px 18px;
  border-left:3px solid var(--red);
  border-radius:0 4px 4px 0;
  background:rgba(255,0,110,.07);
  color:#efeaf7;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose figure{margin:1.4em 0}
.prose figure img{border-radius:4px;border:1px solid var(--line)}
.prose figcaption{font-size:14px;color:var(--dim);padding-top:6px}
.prose table{width:100%;border-collapse:collapse;margin:1.3em 0;font-size:16px}
.prose th,.prose td{border-bottom:1px solid var(--line-soft);padding:10px 12px;text-align:left}
.prose th{color:#fff;font-family:Orbitron,sans-serif;font-size:14px;letter-spacing:.06em}
.prose strong{color:#fff}
.prose a{border-bottom:1px solid var(--line)}
.prose > div:first-child > h2:first-child,
.prose > div:first-child > small:first-child{margin-top:0}
.prose .hit{outline:2px solid var(--mag);outline-offset:6px;border-radius:4px}

/* ---------- 页脚 ---------- */
.foot{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,#0b0b16,#07070d);
  display:grid;
  grid-template-columns:1.15fr .9fr .95fr;
  gap:clamp(18px,3vw,40px);
  padding:clamp(34px,5vw,56px) clamp(16px,3vw,40px) 22px;
  max-width:1180px;
  margin:0 auto;
}
.foot div{min-width:0}
.foot small{
  display:block;
  font-family:Orbitron,sans-serif;
  font-size:12px;
  letter-spacing:.26em;
  color:var(--mag);
  margin-bottom:6px;
}
.f-cta h2{
  font-size:clamp(1.5rem,3vw,2.2rem);
  color:#fff;
  text-shadow:0 0 16px rgba(255,0,110,.7),0 0 34px rgba(255,0,0,.4);
  margin-bottom:.7em;
}
.f-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:46px;
  padding:0 22px;
  font-family:Orbitron,sans-serif;
  font-size:13px;
  letter-spacing:.2em;
  color:#0a0a14;
  background:var(--mag);
  border-radius:4px;
  transition:background .2s,color .2s,box-shadow .2s;
}
.f-btn:hover{background:var(--red);color:#fff;box-shadow:0 0 20px rgba(255,0,0,.7)}

.f-brand{display:flex;flex-direction:column;gap:10px}
.f-logo .logo-img{width:44px;height:44px;border-radius:4px;border:1px solid var(--line);object-fit:cover}
.f-home{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  font-family:Orbitron,sans-serif;
  font-size:15px;
  letter-spacing:.08em;
  color:#fff;
  text-shadow:0 0 10px rgba(255,0,110,.6);
}

.f-nav dl{display:flex;flex-direction:column;gap:2px}
.f-nav dt{
  font-family:Orbitron,sans-serif;
  font-size:11px;
  letter-spacing:.24em;
  color:var(--mag);
  margin-top:8px;
}
.f-nav dt:first-child{margin-top:0}
.f-nav dd{margin:0}
.f-nav dd a{
  display:inline-flex;
  align-items:center;
  min-height:42px;
  color:var(--dim);
  font-size:16px;
  border-bottom:1px solid transparent;
  transition:color .18s,border-color .18s;
}
.f-nav dd a:hover{color:#fff;border-bottom-color:var(--red)}

.f-legal{
  grid-column:1/-1;
  margin-top:12px;
  padding-top:16px;
  border-top:1px solid var(--line-soft);
}
.f-legal p{margin:0;font-size:14px;color:var(--dim);letter-spacing:.06em}

/* ---------- 入场动画 ---------- */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease}
.js .reveal.on{opacity:1;transform:none}

@keyframes float{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-7px)}
}
@keyframes glitch{
  0%,86%,100%{text-shadow:0 0 14px rgba(255,0,110,.75),0 0 34px rgba(255,0,0,.45)}
  88%{text-shadow:-3px 0 rgba(255,0,110,.9),3px 0 rgba(0,220,255,.6),0 0 30px rgba(255,0,0,.6)}
  91%{text-shadow:2px 0 rgba(255,0,110,.9),-2px 0 rgba(0,220,255,.5),0 0 26px rgba(255,0,0,.5)}
}

/* ---------- 移动端 ---------- */
@media (max-width:900px){
  body{padding-left:0;padding-top:var(--head)}
  .rail{
    width:100%;
    height:var(--head);
    bottom:auto;
    flex-direction:row;
    align-items:center;
    gap:10px;
    padding:8px 12px;
    border-right:0;
    border-bottom:1px solid var(--line);
    overflow:visible;
  }
  .brand{
    flex:1 1 auto;
    min-width:0;
    font-size:16px;
    border-bottom:0;
    padding-bottom:0;
    min-height:44px;
  }
  .brand-txt{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .logo-img{width:28px;height:28px}
  .burger{width:auto;flex:0 0 auto;padding:0 14px;font-size:12px;letter-spacing:.14em}
  .find{flex:0 0 auto;flex-direction:row;gap:6px}
  .find-input{width:96px;min-height:44px;font-size:16px}
  .find-btn{padding:0 12px;font-size:12px;letter-spacing:.1em}

  .veil-panel{width:100%;padding:22px 16px 40px;align-self:flex-start}
  .veil-nav a{font-size:17px;min-height:50px}

  .hero{min-height:62vh;padding:44px 16px}
  .hero h1{font-size:clamp(1.8rem,8vw,2.6rem)}

  main{grid-template-columns:minmax(0,1fr);gap:22px;padding:22px 16px 44px}
  .side{position:static;border-bottom:3px solid var(--mag)}
  .side-list{flex-direction:row;flex-wrap:wrap;gap:6px}
  .side-list li{flex:1 1 44%}
  .side-list a{
    min-height:44px;
    padding:6px 8px;
    border:1px solid var(--line-soft);
    border-radius:4px;
    font-size:14px;
  }
  .side-list a:hover{padding-left:8px;background:rgba(255,0,110,.12)}
  .prose{max-width:none}
  .prose div{scroll-margin-top:76px}

  .foot{grid-template-columns:minmax(0,1fr);padding:32px 16px 20px;gap:24px}
  .f-legal{margin-top:4px}
}

@media (max-width:420px){
  .find-input{width:82px}
  .rail{gap:8px;padding:8px 10px}
  .badge{font-size:12px;letter-spacing:.14em}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js .reveal{opacity:1;transform:none}
}

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