@import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400&family=JetBrains+Mono:wght@400&family=Playfair+Display:ital@1&display=swap');

*,*::before,*::after{box-sizing:border-box}
:root{
  --ink:#26171f;
  --rose:#ff0080;
  --mag:#ff00ff;
  --paper:#170c13;
  --fg:#f8edf3;
  --dim:#cba9bc;
  --line:rgba(255,255,255,.14);
  --pad:clamp(1rem,4vw,2.6rem);
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--fg);
  font:400 1.0625rem/1.65 Inter,system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  padding-bottom:clamp(8rem,20vw,11rem);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
p{margin:0 0 1.05rem}
a{color:inherit}
img{max-width:100%}
::selection{background:var(--mag);color:#fff}

/* 极光底 */
.aura{
  position:fixed;inset:-12vmax;z-index:-2;pointer-events:none;
  background:
    radial-gradient(38vmax 34vmax at 14% 10%,rgba(255,0,128,.62),transparent 62%),
    radial-gradient(32vmax 30vmax at 82% 18%,rgba(255,0,255,.5),transparent 60%),
    radial-gradient(46vmax 40vmax at 62% 94%,rgba(255,0,128,.42),transparent 64%),
    radial-gradient(28vmax 24vmax at 28% 60%,rgba(255,0,255,.28),transparent 60%),
    conic-gradient(from 210deg at 50% 46%,rgba(255,0,255,.2),rgba(255,0,128,.26),rgba(38,23,31,.94),rgba(255,0,255,.2));
  filter:blur(26px) saturate(1.25);
  animation:drift 26s ease-in-out infinite alternate,shimmer 44s linear infinite;
}
@keyframes drift{
  0%{transform:translate3d(-2%,-1%,0) scale(1.05)}
  100%{transform:translate3d(3%,2%,0) scale(1.18)}
}
@keyframes shimmer{
  0%{filter:blur(26px) hue-rotate(0deg)}
  100%{filter:blur(26px) hue-rotate(70deg)}
}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.55) 1px,transparent 1px);
  background-size:26px 26px;opacity:.15;mix-blend-mode:screen;
}

/* 首屏 */
.hero{
  max-width:1240px;margin:0 auto;
  padding:clamp(1.6rem,5vw,3.4rem) var(--pad) clamp(1.4rem,4vw,2.6rem);
  display:grid;grid-template-columns:1.02fr .98fr;
  gap:clamp(1.4rem,4vw,3rem);align-items:end;min-height:70vh;
}
.hero-media{
  margin:0;position:relative;overflow:hidden;aspect-ratio:4/5;
  border:1px solid rgba(255,255,255,.22);
  background:linear-gradient(160deg,rgba(255,0,128,.42),rgba(255,0,255,.22) 60%,rgba(38,23,31,.9));
  box-shadow:0 30px 70px -34px rgba(255,0,128,.85);
}
.hero-media:empty{min-height:32vh}
.hero-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:1}
.hero-media.rot img{opacity:0;transition:opacity 1.1s linear}
.hero-media.rot img.on{opacity:1}
.hero-say{text-align:right;padding-bottom:.4rem}
h1{
  font-family:"Playfair Display",Georgia,"Songti SC",serif;
  font-style:italic;font-weight:400;
  font-size:clamp(2.2rem,6.2vw,4.5rem);line-height:1.03;
  letter-spacing:-.02em;margin:.2rem 0 .9rem;
  background:linear-gradient(100deg,#fff 26%,#ffc2e2 58%,var(--mag));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-desc{max-width:34ch;margin:0 0 0 auto;color:var(--dim);font-size:1rem;line-height:1.6}

/* 正文骨架 */
.wrap{
  max-width:1240px;margin:0 auto;
  padding:0 var(--pad) clamp(2.4rem,6vw,4.4rem);
  display:grid;grid-template-columns:minmax(0,14.5rem) minmax(0,1fr);
  gap:clamp(1.4rem,4vw,3.4rem);align-items:start;
}
.rail{
  position:sticky;top:1.4rem;
  border-top:2px solid var(--rose);padding-top:.85rem;
}
.rail h2{
  font-family:"Playfair Display",Georgia,serif;font-style:italic;font-weight:400;
  font-size:1.3rem;margin:.15rem 0 .5rem;color:#fff;
}
.toc{list-style:none;margin:0;padding:0;font-size:.98rem}
.toc a{
  display:flex;align-items:center;min-height:42px;
  padding:.5rem .1rem;border-bottom:1px solid var(--line);
  text-decoration:none;color:var(--fg);
}
.toc a:hover,.toc a:focus-visible{color:var(--mag)}
.body{min-width:0;border-top:2px solid rgba(255,255,255,.22);padding-top:.3rem}

small{
  display:block;font-size:.76rem;line-height:1.5;letter-spacing:.34em;
  color:#ff9ecb;font-family:Inter,system-ui,sans-serif;
}
.prose article{
  padding:clamp(1.5rem,4vw,2.7rem) 0;
  border-bottom:1px solid var(--line);
  scroll-margin-top:2.2rem;
}
.prose article:last-child{border-bottom:0;padding-bottom:0}
.prose h2{
  font-family:"Playfair Display",Georgia,serif;font-style:italic;font-weight:400;
  font-size:clamp(1.5rem,3.6vw,2.25rem);line-height:1.16;
  margin:.15rem 0 .9rem;color:#fff;letter-spacing:-.01em;
}
.prose h3{
  font-size:1.16rem;line-height:1.4;margin:1.6rem 0 .55rem;color:#ffd0e6;
  font-weight:600;
}
.prose p{max-width:66ch}
.prose ul,.prose ol{padding-left:1.25rem;margin:0 0 1.1rem}
.prose li{margin:.35rem 0}
.prose a{color:var(--mag);text-decoration:none;border-bottom:1px solid rgba(255,0,255,.55)}
.prose a:hover{border-bottom-color:#fff}
.prose img{border:1px solid var(--line);display:block;margin:1.2rem 0;height:auto}
.prose blockquote{
  margin:1.5rem 0;padding:.3rem 0 .3rem 1.1rem;
  border-left:3px solid var(--rose);color:var(--dim);
}
.prose strong{color:#fff}
.prose time{color:#ff9ecb;font-size:.95rem;letter-spacing:.02em}

/* 页脚 */
.foot{
  max-width:1240px;margin:0 auto;
  padding:clamp(1.8rem,5vw,3.2rem) var(--pad) 1.4rem;
  display:grid;grid-template-columns:1.35fr 1fr;
  gap:clamp(1.3rem,4vw,3rem);
  border-top:2px solid var(--mag);
}
.foot > article{min-width:0}
.f-mark{
  font-family:"Playfair Display",Georgia,serif;font-style:italic;
  font-size:1.65rem;line-height:1.2;margin:0 0 .5rem;color:#fff;
}
.f-desc{color:var(--dim);max-width:42ch}
.f-nav dl{margin:0;display:grid;grid-template-columns:1fr 1fr;gap:.1rem 1.2rem}
.f-nav dt,.f-nav dd{margin:0}
.f-nav a{
  display:flex;align-items:center;min-height:40px;
  padding:.3rem 0;border-bottom:1px solid var(--line);
  text-decoration:none;color:#efdbe6;font-size:.98rem;
}
.f-nav a:hover,.f-nav a:focus-visible{color:var(--mag)}
.sub{display:flex;gap:.6rem;flex-wrap:wrap}
.sub input{
  flex:1 1 9rem;min-width:0;min-height:44px;
  background:rgba(255,255,255,.05);color:var(--fg);
  border:1px solid var(--line);border-radius:0;
  padding:.6rem .8rem;font:inherit;
}
.sub input::placeholder{color:#b995a9}
.sub input:focus{outline:2px solid var(--mag);outline-offset:1px}
.sub button{
  min-height:44px;padding:.6rem 1.35rem;border:0;border-radius:0;
  background:linear-gradient(100deg,var(--rose),var(--mag));color:#fff;
  font:600 1rem/1 Inter,sans-serif;letter-spacing:.08em;cursor:pointer;
}
.sub button:hover{filter:brightness(1.12)}
.sub button:disabled{opacity:.7;cursor:default}
.f-base{
  grid-column:1/-1;text-align:center;
  border-top:1px solid var(--line);padding-top:1.1rem;
}
.f-base p{margin:0;font-size:.92rem;color:#c9a5b9;letter-spacing:.04em}

/* 底部固定导航 */
.dock{
  position:fixed;left:0;right:0;bottom:0;z-index:20;
  display:flex;align-items:center;justify-content:center;flex-wrap:wrap;
  gap:.1rem;padding:.4rem .5rem calc(.4rem + env(safe-area-inset-bottom));
  background:rgba(23,12,19,.88);
  -webkit-backdrop-filter:blur(14px) saturate(1.3);
  backdrop-filter:blur(14px) saturate(1.3);
  border-top:1px solid rgba(255,0,255,.45);
  box-shadow:0 -18px 44px -26px rgba(255,0,128,.9);
}
.dock ul{
  display:flex;flex-wrap:wrap;justify-content:center;
  list-style:none;margin:0;padding:0;gap:.05rem;max-width:100%;
}
.dock a{
  display:flex;align-items:center;gap:.34rem;min-height:44px;
  padding:.5rem .5rem;text-decoration:none;
  color:#f0dbe6;font-size:1rem;line-height:1.2;
}
.dock a:hover,.dock a:focus-visible{color:#fff;background:rgba(255,0,128,.22)}
.dock svg{flex:none;color:var(--rose)}
.dock-brand{
  font-family:"Playfair Display",Georgia,serif;font-style:italic;
  font-size:1.15rem;color:#fff;margin:0 .9rem;white-space:nowrap;
}

/* 滚动显现 */
.js .rv{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}
.js .rv.in{opacity:1;transform:none}

/* 断点 */
@media (max-width:900px){
  .wrap{grid-template-columns:1fr}
  .rail{position:static;top:auto}
  .toc{display:grid;grid-template-columns:1fr 1fr;gap:0 .9rem}
}
@media (max-width:760px){
  .hero{grid-template-columns:1fr;min-height:0;align-items:start}
  .hero-say{order:-1;text-align:left}
  .hero-desc{margin-left:0;max-width:44ch}
  .hero-media{aspect-ratio:3/2}
  .foot{grid-template-columns:1fr}
  .dock{gap:0}
  .dock-brand{order:-1;flex:1 0 100%;text-align:center;margin:.1rem 0 .25rem;font-size:1rem}
  .dock ul{flex:1 0 100%}
  .dock a{font-size:.94rem;padding:.45rem .35rem}
  .dock svg{display:none}
}
@media (max-width:420px){
  .toc{grid-template-columns:1fr}
  .f-nav dl{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .js .rv{opacity:1;transform:none}
  .hero-media.rot img{opacity:1}
  .hero-media.rot img:not(.on){opacity:0}
}

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