@import url('https://fonts.googleapis.com/css2?family=Abril+Fatface&family=Merriweather:wght@300;400;700&display=swap');

:root{
  --ink:#26171f;
  --ink-2:#150c12;
  --pink:#ff0080;
  --mag:#ff00ff;
  --cream:#f8eef4;
  --dim:#c9b3c1;
  --line:rgba(255,0,128,.24);
  --r:18px;
  --railw:274px;
}

*{box-sizing:border-box}

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

body{
  margin:0;
  background:var(--ink);
  color:var(--cream);
  font-family:'Merriweather',"Songti SC","Noto Serif SC",Georgia,serif;
  font-size:17px;
  line-height:1.75;
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;
  inset:-25%;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(40% 36% at 14% 18%, rgba(255,0,128,.42), transparent 62%),
    radial-gradient(44% 40% at 82% 12%, rgba(255,0,255,.34), transparent 64%),
    radial-gradient(52% 46% at 58% 84%, rgba(255,0,128,.26), transparent 66%),
    conic-gradient(from 210deg at 50% 50%, rgba(255,0,255,.18), rgba(38,23,31,0) 42%, rgba(255,0,128,.2) 72%, rgba(255,0,255,.1));
  filter:blur(32px) saturate(1.25);
  animation:aurora 26s ease-in-out infinite alternate;
}

@keyframes aurora{
  from{transform:translate3d(0,0,0) scale(1);opacity:.82}
  to{transform:translate3d(-4%,3%,0) scale(1.16);opacity:1;filter:blur(40px) hue-rotate(26deg) saturate(1.35)}
}

@keyframes spin{
  to{transform:rotate(1turn)}
}

h1,h2,h3{
  font-family:'Abril Fatface',"Songti SC",Georgia,serif;
  font-weight:400;
  color:#fff;
}

p{margin:0 0 14px}
img{max-width:100%}

a{color:#ff9ad2;text-underline-offset:3px}
a:focus-visible{outline:2px solid var(--mag);outline-offset:2px}

/* ---------- 左侧竖排栏 ---------- */

.masthead{
  position:fixed;
  left:0;
  top:0;
  bottom:0;
  width:var(--railw);
  z-index:6;
  display:flex;
  flex-direction:column;
  gap:22px;
  padding:26px 20px;
  overflow-y:auto;
  border-right:1px solid var(--line);
  background:linear-gradient(180deg,rgba(21,12,18,.9),rgba(21,12,18,.72));
  backdrop-filter:blur(14px);
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  text-decoration:none;
  color:#fff;
  font-family:'Abril Fatface',serif;
  font-size:23px;
  line-height:1.15;
  letter-spacing:.01em;
}

.brand .mark{
  width:36px;
  height:36px;
  flex:none;
  border-radius:12px;
  display:grid;
  place-items:center;
  object-fit:cover;
  background:conic-gradient(from 100deg,#ff0080,#ff00ff,#ff5ec4,#ff0080);
  color:#26171f;
  font-size:20px;
}

.ticker{
  margin:0;
  padding:8px 13px;
  border-radius:999px;
  border:1px solid var(--line);
  background:linear-gradient(90deg,rgba(255,0,128,.32),rgba(255,0,255,.14));
  color:#ffd9ec;
  font-size:16px;
  line-height:1.5;
  letter-spacing:.06em;
}

.jump p{
  display:flex;
  flex-direction:column;
  gap:6px;
  margin:0;
}

.jump a{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:10px 12px;
  border-radius:var(--r);
  color:var(--cream);
  text-decoration:none;
  font-size:16px;
  line-height:1.35;
  transition:background .3s ease,transform .3s ease;
}

.jump a::before{
  content:"";
  width:8px;
  height:8px;
  flex:none;
  border-radius:50%;
  background:var(--pink);
  box-shadow:0 0 10px var(--mag);
  transition:transform .3s ease;
}

.jump a:hover,
.jump a:focus-visible{
  background:linear-gradient(90deg,rgba(255,0,128,.34),rgba(255,0,255,.12));
  transform:translateX(3px);
}

.jump a:hover::before{transform:scale(1.5)}

/* ---------- 主体 ---------- */

main{position:relative;z-index:1;margin-left:var(--railw)}

.hero{
  position:relative;
  isolation:isolate;
  overflow:hidden;
  min-height:100vh;
  min-height:100svh;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  gap:26px;
  padding:92px 40px 40px;
}

.hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.4;
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 88%);
  mask-image:linear-gradient(180deg,#000,transparent 88%);
}

.hero-text{margin:0}

.hero h1{
  margin:0 0 12px;
  font-size:clamp(2.3rem,6.2vw,4.6rem);
  line-height:1.06;
  background:linear-gradient(100deg,#fff 8%,#ffb7e2 46%,#ff00ff 86%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.hero .subtitle{
  margin:0;
  color:#ffd0e9;
  font-size:17px;
  letter-spacing:.1em;
}

.hero-figure{
  position:relative;
  margin:0;
  border-radius:var(--r);
  overflow:hidden;
  aspect-ratio:16/7;
  background:rgba(255,0,128,.12);
  will-change:transform;
}

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

.mesh{
  position:absolute;
  inset:-10%;
  background:conic-gradient(from 120deg at 32% 40%,#ff0080,#ff00ff,#26171f,#ff0080);
  filter:saturate(1.4);
  animation:spin 24s linear infinite;
}

/* ---------- 正文 + 右侧 aside ---------- */

.panel{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:36px;
  align-items:start;
  padding:0 40px 76px;
}

.content > article{
  padding:28px;
  margin:0 0 22px;
  border-radius:var(--r);
  background:rgba(255,255,255,.045);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.06);
  scroll-margin-top:26px;
}

.content > article:nth-child(even){
  background:linear-gradient(150deg,rgba(255,0,128,.17),rgba(255,0,255,.07));
}

.content h2{
  margin:0 0 10px;
  font-size:clamp(1.5rem,2.8vw,2.05rem);
  line-height:1.22;
}

.content h3{
  margin:22px 0 8px;
  font-size:1.2rem;
  line-height:1.3;
}

p.subtitle{
  margin:0 0 16px;
  color:#ffa8d8;
  font-size:16px;
  letter-spacing:.05em;
}

.content ul,
.content ol{padding-left:22px;margin:0 0 16px}
.content li{margin:0 0 8px}

.content blockquote{
  margin:0 0 16px;
  padding:12px 18px;
  border-left:3px solid var(--pink);
  background:rgba(255,0,128,.1);
  border-radius:0 var(--r) var(--r) 0;
}

.content img{border-radius:var(--r)}

.rail{
  position:sticky;
  top:24px;
  padding:22px;
  border-radius:var(--r);
  border:1px solid var(--line);
  background:linear-gradient(200deg,rgba(255,0,255,.2),rgba(255,0,128,.1));
}

.rail h2{
  margin:0 0 6px;
  font-size:1.35rem;
  line-height:1.25;
}

.rail p.subtitle{margin:0 0 14px}

.rail-nav p{
  display:flex;
  flex-direction:column;
  gap:2px;
  margin:0;
}

.rail-nav a{
  display:flex;
  align-items:center;
  min-height:42px;
  padding:9px 11px;
  border-radius:12px;
  color:#ffe7f4;
  text-decoration:none;
  font-size:16px;
  line-height:1.4;
  transition:background .25s ease;
}

.rail-nav a:hover{background:rgba(255,255,255,.12)}

/* ---------- 页脚 ---------- */

.foot{
  position:relative;
  z-index:1;
  margin-left:var(--railw);
  padding:26px 40px 36px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px 34px;
  font-size:16px;
}

.foot-cols{
  display:flex;
  flex-wrap:wrap;
  gap:10px 30px;
}

.foot dl{margin:0}

.foot dt{
  color:#ffa8d8;
  letter-spacing:.1em;
}

.foot dd{margin:0;color:var(--dim)}

.copy{margin:0;color:var(--dim)}

/* ---------- 移动端 ---------- */

@media (max-width:880px){
  .masthead{
    position:sticky;
    top:0;
    left:auto;
    bottom:auto;
    width:auto;
    flex-direction:row;
    flex-wrap:wrap;
    align-items:center;
    gap:10px 14px;
    padding:12px 16px;
    border-right:0;
    border-bottom:1px solid var(--line);
  }

  .ticker{order:3;flex:1 0 100%;font-size:16px}

  .jump{order:4;flex:1 0 100%;overflow-x:auto;-webkit-overflow-scrolling:touch}

  .jump p{flex-direction:row;gap:4px}

  .jump a{white-space:nowrap;padding:10px 12px}

  main,.foot{margin-left:0}

  .hero{min-height:0;padding:34px 18px 26px;gap:20px}

  .hero-figure{aspect-ratio:4/3}

  .panel{grid-template-columns:1fr;gap:22px;padding:0 18px 48px}

  .rail{position:static}

  .content > article{padding:20px;scroll-margin-top:132px}

  .foot{padding:22px 18px 32px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  body::before,.mesh{animation:none}
  .hero-figure{transform:none!important}
  *{transition-duration:.01ms!important}
}

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