:root{
  --ink:#261717;
  --ink-deep:#180e0f;
  --red:#ff0000;
  --pink:#ff1493;
  --cream:#fceff2;
  --muted:#d7bcc4;
  --line:rgba(255,20,147,.26);
  --soft:rgba(255,255,255,.09);
  --radius:18px;
  --dock-h:68px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC",system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.78;
  color:var(--cream);
  background:var(--ink);
  padding-bottom:calc(var(--dock-h) + 26px);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:-25% -15%;
  z-index:-2;
  background:
    radial-gradient(38% 42% at 12% 8%, rgba(255,0,0,.55), rgba(255,0,0,0) 62%),
    radial-gradient(46% 50% at 88% 18%, rgba(255,20,147,.5), rgba(255,20,147,0) 66%),
    radial-gradient(62% 58% at 52% 96%, rgba(122,10,72,.72), rgba(122,10,72,0) 70%),
    conic-gradient(from 210deg at 62% 38%, rgba(255,0,0,.34), rgba(255,20,147,.26), rgba(72,26,96,.4), rgba(255,0,0,.34));
  background-size:180% 180%,180% 180%,180% 180%,180% 180%;
  filter:saturate(1.25) blur(24px);
  opacity:.9;
  animation:aurora 11s ease-in-out infinite alternate;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:linear-gradient(180deg, rgba(38,23,23,.42), rgba(38,23,23,.9) 42%, rgba(24,14,15,.97));
}
@keyframes aurora{
  0%{background-position:0% 0%,100% 0%,50% 100%,0% 0%;transform:translate3d(0,0,0) scale(1.04)}
  50%{background-position:26% 22%,72% 14%,44% 84%,18% 30%}
  100%{background-position:4% 38%,98% 32%,52% 68%,42% 58%;transform:translate3d(0,-3%,0) scale(1.12)}
}
@keyframes float{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-7px)}
}
a{color:var(--pink)}
a:focus-visible,button:focus-visible{outline:2px solid var(--pink);outline-offset:3px;border-radius:6px}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}

/* 底部固定条 */
.dock{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:60;
  display:flex;
  align-items:center;
  gap:8px;
  padding:9px max(12px,env(safe-area-inset-left)) calc(9px + env(safe-area-inset-bottom));
  background:rgba(24,14,15,.86);
  backdrop-filter:blur(16px) saturate(1.2);
  -webkit-backdrop-filter:blur(16px) saturate(1.2);
  border-top:1px solid var(--line);
  box-shadow:0 -14px 40px rgba(0,0,0,.45);
}
.dock-brand{display:inline-flex;align-items:center;gap:9px;min-height:44px;text-decoration:none;color:var(--cream);flex:0 0 auto}
.mark{display:inline-block;width:30px;height:30px;border-radius:50%;flex:0 0 auto;
  background:conic-gradient(from 140deg,var(--red),var(--pink),#7b1e5c,var(--red));
  border:1px solid rgba(255,255,255,.35);object-fit:cover}
.dock-name{font-size:16px;font-weight:700;white-space:nowrap;letter-spacing:.4px}
.dock-nav{flex:1 1 auto;min-width:0;overflow-x:auto;scrollbar-width:none}
.dock-nav::-webkit-scrollbar{display:none}
.dock-nav ul{display:flex;gap:2px;margin:0;padding:0;list-style:none}
.dock-nav a{
  display:inline-flex;align-items:center;gap:4px;
  min-height:44px;padding:0 11px;border-radius:14px;
  font-size:16px;color:var(--muted);text-decoration:none;white-space:nowrap;
  transition:color .2s,background .2s;
}
.dock-nav a:hover{color:#fff;background:rgba(255,20,147,.16)}
.dock-nav a[aria-current]{color:#fff;background:rgba(255,20,147,.24);box-shadow:inset 0 -2px 0 var(--pink)}
.ic{width:16px;height:16px;flex:0 0 auto;opacity:.85}
.dock-contact{
  display:inline-flex;align-items:center;gap:5px;flex:0 0 auto;
  min-height:44px;padding:0 15px;border-radius:14px;
  font-size:16px;font-weight:500;text-decoration:none;color:#fff;
  background:linear-gradient(120deg,var(--red),var(--pink));
  box-shadow:0 6px 20px rgba(255,20,147,.4);
}

/* 首屏 */
.hero{
  position:relative;
  display:flex;flex-direction:column;justify-content:center;
  gap:20px;
  min-height:calc(100vh - var(--dock-h));
  min-height:calc(100svh - var(--dock-h));
  padding:38px 0 34px;
}
.badge{
  align-self:flex-start;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  font-size:16px;color:#ffd9e6;letter-spacing:.5px;
  border:1px solid var(--line);
  background:rgba(255,20,147,.14);
  backdrop-filter:blur(6px);
  animation:float 9s ease-in-out infinite;
}
.badge::before{content:"";width:8px;height:8px;border-radius:50%;background:linear-gradient(140deg,var(--red),var(--pink));box-shadow:0 0 12px var(--pink)}
.hero-copy{max-width:900px}
.hero h1{
  margin:0 0 16px;
  font-size:clamp(2rem,6.4vw,4.1rem);
  line-height:1.16;
  font-weight:700;
  letter-spacing:-.5px;
  background:linear-gradient(96deg,#ffffff 8%,#ff7fb6 52%,var(--red) 96%);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
}
.hero-desc{
  margin:0;
  max-width:62ch;
  font-size:17px;
  color:var(--muted);
  font-weight:300;
}
.hero-art{
  position:relative;
  margin-top:8px;
  height:clamp(190px,32vh,380px);
  border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.12);
  overflow:hidden;
  background:
    radial-gradient(58% 90% at 18% 20%, rgba(255,0,0,.55), transparent 65%),
    radial-gradient(60% 95% at 78% 30%, rgba(255,20,147,.5), transparent 66%),
    linear-gradient(160deg,#2d1518,#41142c 60%,#1c1013);
  filter:saturate(1.2);
  isolation:isolate;
}
.hero-art::before{
  content:"";position:absolute;inset:0;z-index:2;
  background-image:
    linear-gradient(rgba(255,255,255,.10) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(72% 78% at 50% 42%,#000,transparent);
  mask-image:radial-gradient(72% 78% at 50% 42%,#000,transparent);
  pointer-events:none;
}
.hero-pic{position:absolute;inset:0;z-index:1}
.hero-img{width:100%;height:100%;object-fit:cover;opacity:.62;mix-blend-mode:screen}

/* 正文骨架 */
.shell{
  display:grid;
  grid-template-columns:minmax(0,1fr) 290px;
  gap:44px;
  align-items:start;
  padding:22px 0 70px;
  border-top:1px solid var(--soft);
}
.prose{min-width:0;font-weight:400}
.prose article{padding:44px 0 4px;scroll-margin-top:18px}
.prose article:first-child{padding-top:38px}
.prose article + article{border-top:1px solid rgba(255,255,255,.08)}
.prose h2,.prose h3{position:relative;line-height:1.35;letter-spacing:.2px}
.prose h2{
  margin:0 0 18px;
  padding-left:16px;
  font-size:clamp(1.35rem,2.7vw,1.85rem);
  font-weight:700;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.32em;bottom:.32em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--red),var(--pink));
  box-shadow:0 0 16px rgba(255,20,147,.6);
}
.prose h2 span,.prose h3 span{
  background:linear-gradient(94deg,#ffffff,#ffa8cf 78%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.prose h3{margin:30px 0 12px;font-size:clamp(1.08rem,2vw,1.28rem);font-weight:500;color:#fff}
.prose p{margin:0 0 16px}
.prose ul,.prose ol{margin:0 0 18px;padding-left:1.25em}
.prose li{margin:0 0 8px}
.prose li::marker{color:var(--pink)}
.prose a{color:#ff9ac6;text-underline-offset:3px}
.prose a:hover{color:#fff}
.prose blockquote{
  margin:22px 0;padding:16px 20px;
  border-left:3px solid var(--pink);
  border-radius:0 var(--radius) var(--radius) 0;
  background:rgba(255,20,147,.10);
  color:#ffe3ec;
}
.prose blockquote p:last-child{margin:0}
.prose img{max-width:100%;height:auto;border-radius:14px;border:1px solid var(--soft);margin:18px 0;display:block}
.prose figure{margin:20px 0}
.prose figcaption{font-size:16px;color:var(--muted)}
.prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:16px}
.prose th,.prose td{padding:10px 12px;border:1px solid var(--line);text-align:left;vertical-align:top}
.prose th{background:rgba(255,20,147,.14);font-weight:500}
.prose code{font-size:16px;padding:2px 6px;border-radius:6px;background:rgba(255,255,255,.1);font-family:ui-monospace,Menlo,Consolas,monospace}
.prose strong{color:#fff;font-weight:500}
.prose hr{border:0;height:1px;background:var(--soft);margin:28px 0}

/* 侧栏 */
.rail{position:sticky;top:24px;display:grid;gap:16px}
.rail-card{
  padding:20px 18px;
  border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.10);
  border-bottom:3px solid var(--pink);
  background:linear-gradient(165deg, rgba(255,20,147,.13), rgba(38,23,23,.72));
  backdrop-filter:blur(8px);
}
.rail-card h2{margin:0 0 12px;font-size:16px;font-weight:500;letter-spacing:2px;color:#ffd3e3}
.rail-card h2 span{background:linear-gradient(92deg,#fff,var(--pink));-webkit-background-clip:text;background-clip:text;color:transparent}
.rail-list{list-style:none;margin:0;padding:0}
.rail-list a{
  display:flex;align-items:center;gap:9px;
  min-height:40px;padding:4px 2px;
  font-size:16px;color:var(--muted);text-decoration:none;
  border-bottom:1px dashed rgba(255,255,255,.09);
  transition:color .2s,transform .2s;
}
.rail-list li:last-child a{border-bottom:0}
.rail-list a:hover{color:#fff;transform:translateX(3px)}
.dot{width:6px;height:6px;border-radius:50%;flex:0 0 auto;background:linear-gradient(140deg,var(--red),var(--pink))}
.rail-top{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:40px;padding:0 18px;border-radius:12px;
  font-size:16px;text-decoration:none;color:#fff;
  background:linear-gradient(120deg,var(--red),var(--pink));
}

/* 页脚 */
.foot{
  max-width:1180px;
  margin:0 auto;
  padding:20px 20px 34px;
  border-top:1px solid var(--line);
}
.foot-cta{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin:34px 0 42px;
  padding:28px 26px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:
    radial-gradient(70% 130% at 8% 10%, rgba(255,0,0,.42), transparent 62%),
    radial-gradient(70% 130% at 92% 90%, rgba(255,20,147,.38), transparent 62%),
    #24141a;
  filter:saturate(1.1);
}
.foot-cta h2{margin:0;font-size:clamp(1.3rem,3.4vw,2rem);font-weight:700;letter-spacing:.5px}
.foot-cta h2 span{background:linear-gradient(95deg,#fff,#ff9ac6);-webkit-background-clip:text;background-clip:text;color:transparent}
.foot-cta-btn{
  display:inline-flex;align-items:center;min-height:44px;padding:0 22px;
  border-radius:999px;font-size:16px;text-decoration:none;color:#fff;
  background:linear-gradient(120deg,var(--red),var(--pink));
  box-shadow:0 8px 24px rgba(255,20,147,.35);
}
.foot-cols{
  display:grid;
  grid-template-columns:1.3fr 1fr 1fr 1fr;
  gap:26px;
  padding-bottom:30px;
}
.foot-brand .mark{width:34px;height:34px}
.foot-name{margin:10px 0 0;font-size:16px;font-weight:500;color:#fff}
.foot-cols dl{margin:0}
.foot-cols dt{font-size:16px;letter-spacing:2px;color:var(--muted);margin-bottom:8px;padding-bottom:8px;border-bottom:1px solid var(--soft)}
.foot-cols dd{margin:0}
.foot-cols dd a{
  display:inline-flex;align-items:center;min-height:40px;
  font-size:16px;color:#ecd6dd;text-decoration:none;
}
.foot-cols dd a:hover{color:var(--pink)}
.foot-copy{
  margin:0;padding-top:18px;
  border-top:1px solid var(--soft);
  font-size:16px;color:var(--muted);letter-spacing:.6px;
}

/* 滚动显现 */
.reveal{opacity:0;transform:translateY(20px)}
.reveal.in{opacity:1;transform:none;transition:opacity .7s ease,transform .75s cubic-bezier(.2,.7,.25,1)}

@media (max-width:980px){
  .shell{grid-template-columns:minmax(0,1fr);gap:30px}
  .rail{position:static;grid-template-columns:1fr 1fr}
  .foot-cols{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .dock-name{display:none}
}
@media (max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .hero{min-height:auto;padding:30px 0 26px;gap:16px}
  .hero h1{font-size:clamp(1.75rem,8.6vw,2.4rem)}
  .hero-desc{font-size:16px}
  .hero-art{height:180px}
  .shell{padding-top:16px}
  .rail{grid-template-columns:1fr}
  .foot{padding:16px 16px 28px}
  .foot-cta{padding:22px 18px;margin:26px 0 30px}
  .foot-cols{grid-template-columns:1fr 1fr;gap:18px}
  .foot-brand{grid-column:1 / -1}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  body::before,.badge{animation:none}
  .reveal{opacity:1;transform:none;transition:none}
}

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