:root{
  --ink:#0d0d0d;
  --panel:#14101c;
  --panel-2:#1b1428;
  --pri:#8000ff;
  --sec:#ff00ff;
  --txt:#e7e2f3;
  --dim:#a89fc2;
  --line:rgba(170,130,255,.18);
  --r:18px;
}
*,*::before,*::after{box-sizing:border-box}
html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
}
body{
  margin:0;
  background:var(--ink);
  color:var(--txt);
  font-family:Inter,"PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.72;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:60;
  pointer-events:none;
  background:repeating-linear-gradient(to bottom,rgba(255,255,255,.035) 0 1px,transparent 1px 3px);
  opacity:.6;
}
body::after{
  content:"";
  position:fixed;
  inset:0 0 auto;
  height:52vh;
  z-index:0;
  pointer-events:none;
  background:radial-gradient(62% 100% at 50% 0,rgba(128,0,255,.28),transparent 72%);
}
a{color:inherit}
img{max-width:100%}
:focus-visible{outline:2px solid var(--sec);outline-offset:3px}

/* 顶部 HUD */
.hud{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(11,11,14,.9);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.hud-top{
  max-width:1180px;
  margin:0 auto;
  padding:12px 22px 8px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}
.mark{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  text-decoration:none;
  color:#fff;
  font-weight:700;
  font-size:19px;
  letter-spacing:.05em;
}
.mark-logo{
  width:30px;
  height:30px;
  border-radius:8px;
  object-fit:cover;
  display:block;
}
.mark-txt{
  text-shadow:0 0 16px rgba(255,0,255,.5);
}
.cta{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:8px 20px;
  border-radius:12px;
  font-size:16px;
  font-weight:600;
  letter-spacing:.04em;
  color:#fff;
  text-decoration:none;
  background:linear-gradient(96deg,var(--pri),var(--sec));
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.14),0 0 22px rgba(255,0,255,.35);
  transition:transform .18s ease,box-shadow .18s ease;
}
.cta:hover{transform:translateY(-1px);box-shadow:inset 0 0 0 1px rgba(255,255,255,.24),0 0 32px rgba(255,0,255,.6)}
.hud-nav{
  max-width:1180px;
  margin:0 auto;
  padding:0 22px 10px;
}
.hud-nav p{
  margin:0;
  display:flex;
  flex-wrap:wrap;
  gap:4px 6px;
}
.hud-nav a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:7px 12px;
  border-radius:10px;
  font-size:16px;
  color:var(--dim);
  text-decoration:none;
  border:1px solid transparent;
  transition:color .16s ease,background .16s ease,border-color .16s ease,text-shadow .16s ease;
}
.hud-nav a:hover,.hud-nav a:focus-visible{
  color:#fff;
  background:rgba(128,0,255,.2);
  border-color:rgba(255,0,255,.35);
  text-shadow:0 0 12px rgba(255,0,255,.7);
}

/* 首屏 */
.hero{
  position:relative;
  z-index:1;
  max-width:1180px;
  margin:0 auto;
  padding:26px 22px 12px;
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:30px;
  align-items:center;
  min-height:45vh;
}
.hero-art{
  margin:0;
  position:relative;
  border-radius:var(--r);
  overflow:hidden;
  background:linear-gradient(150deg,var(--panel-2),var(--panel));
  aspect-ratio:4/3;
}
.hero-art img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  transform:scale(1.06);
  will-change:transform;
}
.hero-art::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(200deg,rgba(128,0,255,.34),rgba(255,0,255,.12) 55%,rgba(13,13,13,.6));
  mix-blend-mode:screen;
}
.hero-copy{text-align:center}
.hero-copy h1{
  margin:0 0 14px;
  font-size:clamp(2rem,5.2vw,3.4rem);
  line-height:1.16;
  letter-spacing:-.012em;
  font-weight:700;
  color:#fff;
  text-shadow:0 0 18px rgba(255,0,255,.45),0 0 46px rgba(128,0,255,.55);
}
.lede{
  margin:0 auto;
  max-width:42ch;
  color:var(--dim);
  font-size:16px;
}

/* 正文区 */
.doc{
  position:relative;
  z-index:1;
  max-width:1180px;
  margin:26px auto 0;
  padding:0 22px;
  display:grid;
  grid-template-columns:212px minmax(0,1fr);
  gap:32px;
  align-items:start;
}
.rail{
  position:sticky;
  top:132px;
  display:grid;
  gap:12px;
}
.rail-h{
  margin:0;
  display:flex;
  align-items:center;
  gap:10px;
  padding:14px 16px;
  border-radius:var(--r);
  background:var(--panel);
  font-size:16px;
  font-weight:600;
  letter-spacing:.04em;
  color:#fff;
  line-height:1.35;
}
.tick{
  flex:none;
  width:8px;
  height:8px;
  border-radius:2px;
  background:var(--sec);
  box-shadow:0 0 12px var(--sec);
}
.rail-list{
  margin:0;
  padding:10px;
  border-radius:var(--r);
  background:var(--panel);
  display:grid;
  gap:2px;
}
.rail-list a{
  display:flex;
  align-items:center;
  min-height:40px;
  padding:8px 12px;
  border-radius:10px;
  font-size:16px;
  line-height:1.3;
  color:var(--dim);
  text-decoration:none;
  transition:background .16s ease,color .16s ease;
}
.rail-list a:hover,.rail-list a:focus-visible{
  color:#fff;
  background:rgba(255,0,255,.16);
}
.rail-end{
  margin:0;
  padding:13px 16px;
  border-radius:var(--r);
  background:linear-gradient(120deg,rgba(128,0,255,.5),rgba(255,0,255,.32));
  font-size:16px;
  font-weight:600;
  line-height:1.35;
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
}
.rail-end a{
  text-decoration:none;
  display:flex;
  align-items:center;
  min-height:28px;
  text-shadow:0 0 12px rgba(255,0,255,.6);
}

.prose{min-width:0}
.prose > section{
  position:relative;
  margin:0 0 20px;
  padding:26px 28px 20px;
  border-radius:var(--r);
  background:var(--panel);
  scroll-margin-top:176px;
}
.prose > section::before{
  content:"";
  display:block;
  width:56px;
  height:2px;
  margin:0 0 16px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--pri),var(--sec));
  box-shadow:0 0 12px rgba(255,0,255,.5);
}
.prose > section:target{
  box-shadow:0 0 0 1px rgba(255,0,255,.5) inset,0 0 26px rgba(128,0,255,.35);
}
.prose h2{
  margin:0 0 14px;
  font-size:clamp(1.32rem,2.9vw,1.72rem);
  line-height:1.32;
  font-weight:700;
  color:#fff;
  letter-spacing:-.008em;
  text-shadow:0 0 14px rgba(128,0,255,.55);
}
.prose h2 span,.prose h3 span{position:relative}
.prose h3{
  margin:24px 0 10px;
  font-size:1.14rem;
  line-height:1.45;
  color:#f2ecff;
}
.prose p{margin:0 0 14px;color:#d7d1e6}
.prose a{
  color:var(--sec);
  text-decoration:none;
  border-bottom:1px solid rgba(255,0,255,.4);
}
.prose a:hover{color:#fff;border-bottom-color:#fff}
.prose strong{color:#fff}
.prose ul,.prose ol{margin:0 0 16px;padding-left:1.25em}
.prose li{margin:0 0 8px}
.prose img{width:auto;max-width:100%;height:auto;border-radius:14px;display:block;margin:14px 0}
.prose blockquote{
  margin:0 0 16px;
  padding:12px 18px;
  border-left:3px solid var(--pri);
  border-radius:0 12px 12px 0;
  background:var(--panel-2);
  color:var(--dim);
}
.prose blockquote p:last-child{margin:0}
.prose code{
  font-family:ui-monospace,"SFMono-Regular",Menlo,monospace;
  font-size:.94em;
  background:rgba(255,0,255,.14);
  border-radius:6px;
  padding:1px 6px;
}
.prose table{width:100%;border-collapse:collapse;margin:0 0 16px;font-size:16px}
.prose th,.prose td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left}
.prose th{color:#fff;font-weight:600}

/* 页脚 */
.foot{
  position:relative;
  z-index:1;
  max-width:1180px;
  margin:64px auto 0;
  padding:30px 22px 44px;
  border-top:1px solid var(--line);
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.foot-cta{
  grid-column:1/-1;
  margin:0;
  padding:22px 26px;
  border-radius:var(--r);
  background:linear-gradient(100deg,rgba(128,0,255,.42),rgba(255,0,255,.3));
  font-size:clamp(1.2rem,2.6vw,1.6rem);
  font-weight:600;
  line-height:1.3;
}
.foot-cta a{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  color:#fff;
  text-decoration:none;
  text-shadow:0 0 16px rgba(255,0,255,.65);
}
.foot .col{
  margin:0;
  display:grid;
  align-content:start;
  gap:2px;
  font-size:16px;
}
.foot .col a{
  display:flex;
  align-items:center;
  min-height:40px;
  padding:6px 0;
  color:var(--dim);
  text-decoration:none;
  line-height:1.35;
  transition:color .16s ease;
}
.foot .col a:hover{color:#fff}
.foot .col-brand a{
  color:#fff;
  font-weight:700;
  letter-spacing:.05em;
  text-shadow:0 0 14px rgba(255,0,255,.5);
}
.foot-links{
  grid-column:1/4;
  margin:0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:4px 18px;
}
.foot-links a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  color:var(--dim);
  text-decoration:none;
  font-size:16px;
}
.foot-links a:hover{color:#fff}
.copy{
  grid-column:4;
  align-self:center;
  text-align:right;
  font-size:16px;
  color:#918aa8;
}

/* 动效 */
.will-fade{opacity:0;transform:translateY(16px)}
.will-fade.in{opacity:1;transform:none;transition:opacity .55s ease,transform .55s ease}
@media (prefers-reduced-motion:no-preference){
  .glitch-txt{animation:glitchy 8s steps(1) infinite}
  @keyframes glitchy{
    0%,90%,100%{transform:none}
    91%{transform:translateX(-2px) skewX(-3deg);text-shadow:2px 0 var(--sec),-2px 0 #16e0ff,0 0 26px rgba(255,0,255,.5)}
    94%{transform:translateX(3px) skewX(2deg);text-shadow:-2px 0 var(--sec),2px 0 #16e0ff,0 0 26px rgba(255,0,255,.5)}
    97%{transform:none}
  }
}

/* 移动端 */
@media (max-width:860px){
  .hero{
    grid-template-columns:1fr;
    min-height:0;
    padding:18px 18px 6px;
    gap:18px;
  }
  .hero-copy{order:1}
  .hero-art{order:2;aspect-ratio:16/9}
  .doc{
    grid-template-columns:1fr;
    gap:16px;
    padding:0 18px;
    margin-top:18px;
  }
  .rail{position:static;top:auto;gap:10px}
  .rail-list{grid-template-columns:1fr 1fr}
  .rail-end{order:3}
  .prose > section{padding:20px 18px 16px;scroll-margin-top:240px}
  .foot{
    grid-template-columns:1fr 1fr;
    padding:26px 18px 38px;
    margin-top:48px;
    gap:16px;
  }
  .foot-links{grid-column:1/-1}
  .copy{grid-column:1/-1;text-align:left}
}
@media (max-width:430px){
  .mark{font-size:17px}
  .cta{padding:8px 14px}
  .hero-copy h1{font-size:clamp(1.85rem,8vw,2.4rem)}
  .rail-list{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
}
</｜DSML｜ parameter>
</｜DSML｜ invoke>
</｜DSML｜ calls>

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