@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800&display=swap');

:root{
  --red:#ff0000;
  --pink:#ff1493;
  --ink:#261717;
  --paper:#fff4f1;
  --soft:#f1dcd8;
  --muted:#d6b9b5;
  --line:rgba(255,255,255,.12);
  --r:28px;
  --maxw:1080px;
}

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

html{
  scroll-behavior:smooth;
  scroll-padding-top:112px;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  background:var(--ink);
  color:var(--paper);
  font-family:'Inter',system-ui,-apple-system,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  font-size:17px;
  line-height:1.72;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.18) 1px, transparent 1px);
  background-size:22px 22px;
  opacity:.3;
}

.aurora{
  position:fixed;
  inset:-22vmax;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(38% 42% at 16% 22%, rgba(255,0,0,.55), transparent 62%),
    radial-gradient(34% 38% at 84% 16%, rgba(255,20,147,.5), transparent 64%),
    radial-gradient(48% 40% at 64% 84%, rgba(255,86,64,.32), transparent 66%),
    radial-gradient(42% 36% at 24% 90%, rgba(255,20,147,.26), transparent 68%);
  filter:saturate(1.3) blur(46px);
  animation:drift 11s ease-in-out infinite alternate;
}

@keyframes drift{
  0%{transform:translate3d(-2%,-1%,0) scale(1.02)}
  50%{transform:translate3d(2%,1.5%,0) scale(1.09)}
  100%{transform:translate3d(-1%,2%,0) scale(1.03)}
}

a{color:inherit}

.skip{
  position:absolute;
  left:12px;
  top:-60px;
  z-index:60;
  padding:10px 16px;
  border-radius:999px;
  background:var(--pink);
  color:#fff;
  font-weight:700;
  text-decoration:none;
  transition:top .2s ease;
}

.skip:focus{top:10px}

:focus-visible{outline:2px solid #ffd0e2;outline-offset:3px}

.wrap{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 clamp(16px,4vw,32px);
  position:relative;
  z-index:1;
}

/* 顶部胶囊导航 */
.bar{
  position:sticky;
  top:0;
  z-index:30;
  display:flex;
  align-items:center;
  gap:12px;
  padding:8px clamp(12px,3vw,26px);
  background:linear-gradient(180deg, rgba(38,23,23,.94), rgba(38,23,23,.66));
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:0 10px 30px rgba(0,0,0,.28);
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:2px 4px;
  text-decoration:none;
  font-weight:800;
  font-size:1.02rem;
  letter-spacing:-.02em;
  flex:0 0 auto;
}

.brand-mark{
  width:34px;
  height:34px;
  border-radius:12px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg,var(--red),var(--pink));
  color:#fff;
  font-size:1rem;
  font-weight:800;
  box-shadow:0 0 22px rgba(255,20,147,.5);
  object-fit:cover;
}

.brand-name{white-space:nowrap}

.pill-nav{margin-left:auto;min-width:0;max-width:100%}

.pill-nav ul{
  display:flex;
  align-items:center;
  gap:8px;
  margin:0;
  padding:4px 2px;
  list-style:none;
  overflow-x:auto;
  scrollbar-width:none;
}

.pill-nav ul::-webkit-scrollbar{display:none}

.pill-nav li{flex:0 0 auto}

.pill-nav a{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 16px;
  border-radius:999px;
  background:rgba(255,255,255,.07);
  color:var(--paper);
  font-size:.92rem;
  font-weight:600;
  white-space:nowrap;
  text-decoration:none;
  transition:background .25s ease, transform .25s ease, color .25s ease;
}

.pill-nav a:hover,
.pill-nav a:focus-visible,
.pill-nav a[aria-current="true"]{
  background:linear-gradient(135deg,var(--red),var(--pink));
  color:#fff;
  transform:translateY(-1px);
}

/* 首屏 */
.hero{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  align-items:center;
  gap:clamp(16px,4vw,40px);
  min-height:45vh;
  padding:clamp(30px,6vw,56px) 0 clamp(22px,4vw,40px);
}

.hero-copy{min-width:0}

.hero h1{
  margin:0;
  font-size:clamp(1.85rem,5.2vw,3.3rem);
  line-height:1.14;
  letter-spacing:-.035em;
  font-weight:800;
  background:linear-gradient(118deg,#ffffff 18%,#ffc9da 58%,var(--pink));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  color:#fff;
}

.lede{
  margin:.9rem 0 0;
  max-width:46ch;
  color:var(--soft);
  font-size:1rem;
}

.hero-art{
  margin:0;
  width:clamp(96px,22vw,168px);
  aspect-ratio:1 / 1;
  border-radius:36px;
  display:grid;
  place-items:center;
  overflow:hidden;
  background:radial-gradient(120% 120% at 20% 10%, rgba(255,0,0,.5), rgba(255,20,147,.34) 60%, rgba(38,23,23,.2));
  box-shadow:0 26px 60px rgba(255,0,0,.3);
  animation:bob 10s ease-in-out infinite alternate;
}

@keyframes bob{
  from{transform:translateY(-6px) rotate(-1.5deg)}
  to{transform:translateY(8px) rotate(1.5deg)}
}

.hero-glyph{width:84%;height:84%}

.hero-img{width:100%;height:100%;object-fit:cover;display:block}

/* 正文 */
.reader{padding-bottom:clamp(36px,7vw,72px)}

.prose > div{
  position:relative;
  isolation:isolate;
  overflow:hidden;
  margin:0 0 clamp(16px,3vw,26px);
  padding:clamp(24px,4.5vw,44px) clamp(18px,3.5vw,38px);
  border-radius:var(--r);
  background:#2f1d1d;
  scroll-margin-top:118px;
}

.prose > div:nth-child(even){background:#3a2126}

.prose > div::before{
  content:"";
  position:absolute;
  inset:0 auto 0 0;
  width:5px;
  background:linear-gradient(180deg,var(--red),var(--pink));
}

.prose > div::after{
  content:"";
  position:absolute;
  z-index:-1;
  inset:-40% -18% auto auto;
  width:62%;
  height:78%;
  background:radial-gradient(closest-side, rgba(255,20,147,.32), transparent);
  filter:blur(22px);
}

.prose > div:target{box-shadow:0 0 0 2px rgba(255,20,147,.7)}

.prose h2,
.prose h3{
  margin:0 0 .7rem;
  line-height:1.32;
  letter-spacing:-.02em;
  font-weight:800;
  color:#fff;
}

.prose h2{font-size:clamp(1.28rem,3vw,1.7rem)}

.prose h3{font-size:clamp(1.08rem,2.4vw,1.28rem)}

.prose h2 span,
.prose h3 span{
  background:linear-gradient(100deg,#ffffff,#ffc3d7);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}

.prose p{margin:0 0 1rem;color:var(--soft)}

.prose p:last-child{margin-bottom:0}

.prose ul,.prose ol{margin:0 0 1rem;padding-left:1.25rem;color:var(--soft)}

.prose li{margin:.32rem 0}

.prose strong{color:#fff}

.prose a{color:#ffa8c8;text-underline-offset:3px}

.prose a:hover{color:#fff}

.prose time{
  display:inline-block;
  color:var(--pink);
  font-weight:700;
  font-variant-numeric:tabular-nums;
}

.prose blockquote{
  margin:0 0 1rem;
  padding:.6rem 0 .6rem 1.1rem;
  border-left:3px solid rgba(255,20,147,.7);
  color:var(--soft);
  font-style:normal;
}

.prose img{
  display:block;
  max-width:100%;
  height:auto;
  margin:1rem 0;
  border-radius:20px;
}

.prose hr{
  margin:1.4rem 0;
  border:0;
  height:1px;
  background:var(--line);
}

/* 页脚 */
.foot{
  position:relative;
  z-index:1;
  margin-top:clamp(28px,6vw,56px);
  padding:clamp(32px,6vw,54px) 0 22px;
  background:linear-gradient(180deg, rgba(38,23,23,0), rgba(19,11,11,.94) 42%, #150d0d);
  box-shadow:0 -1px 0 var(--line);
}

.mega{
  margin:0 0 clamp(20px,4vw,30px);
  font-size:clamp(2.2rem,10.5vw,6.6rem);
  line-height:.98;
  font-weight:800;
  letter-spacing:-.05em;
  word-break:break-word;
  background:linear-gradient(100deg,var(--red),var(--pink) 68%,#ffd3e4);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}

.foot-cols{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:clamp(14px,3vw,28px);
}

.foot-col h3{
  margin:0 0 .5rem;
  font-size:.86rem;
  letter-spacing:.14em;
  font-weight:700;
  color:#ffb6cd;
}

.foot-col h3 span{display:inline-block}

.foot-col ul{list-style:none;margin:0;padding:0}

.foot-col a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  color:var(--soft);
  font-size:.94rem;
  text-decoration:none;
}

.foot-col a:hover{color:#fff}

address{
  font-style:normal;
  display:flex;
  flex-direction:column;
  gap:2px;
  color:var(--soft);
  font-size:.94rem;
  padding-top:6px;
}

.foot-host{color:var(--muted);font-size:.86rem;word-break:break-all}

.foot-cta{margin:.4rem 0 0}

.to-top{
  padding:0 16px;
  min-height:40px;
  border-radius:999px;
  background:linear-gradient(135deg,var(--red),var(--pink));
  color:#fff !important;
  font-weight:700;
}

.copy{
  margin:22px 0 0;
  padding-top:16px;
  box-shadow:0 -1px 0 var(--line);
  font-size:.84rem;
  color:#b69793;
}

.reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .7s ease, transform .7s ease;
}

.reveal.in{opacity:1;transform:none}

@media (max-width:860px){
  .foot-cols{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:720px){
  html{scroll-padding-top:142px}

  .bar{flex-wrap:wrap;gap:4px;padding:6px 12px}

  .pill-nav{order:2;width:100%;margin-left:0}

  .pill-nav ul{padding-bottom:6px}

  .pill-nav a{padding:0 14px}

  .hero{
    grid-template-columns:minmax(0,1fr) 84px;
    min-height:0;
    padding:22px 0 20px;
  }

  .hero-art{width:84px;border-radius:26px}

  .lede{font-size:.96rem}

  .prose > div{scroll-margin-top:146px;border-radius:22px}
}

@media (max-width:420px){
  body{font-size:16px}

  .foot-cols{gap:12px}

  .mega{font-size:clamp(1.9rem,11.5vw,2.6rem)}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .aurora,
  .hero-art{animation:none}
  .reveal{opacity:1;transform:none;transition:none}
}

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