:root{
  --red:#ff0000;
  --pink:#ff1493;
  --ink:#261717;
  --paper:#fff6f4;
  --muted:#6d5450;
  --line:rgba(38,23,23,.16);
  --soft:rgba(255,255,255,.72);
  --shadow:0 22px 44px -26px rgba(38,23,23,.55);
  --rail:176px;
  --font:"Noto Sans Hebrew","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}

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

html{
  background:var(--paper);
  scroll-behavior:smooth;
  overflow-x:clip;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
  letter-spacing:.01em;
  overflow-x:clip;
  overflow-wrap:break-word;
}

body::before{
  content:"";
  position:fixed;
  inset:-25vh -25vw;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(38% 42% at 16% 10%, rgba(255,0,0,.42), rgba(255,0,0,0) 62%),
    radial-gradient(34% 40% at 84% 16%, rgba(255,20,147,.40), rgba(255,20,147,0) 64%),
    radial-gradient(52% 50% at 50% 92%, rgba(38,23,23,.28), rgba(38,23,23,0) 72%),
    conic-gradient(from 200deg at 58% 40%, rgba(255,20,147,.22), rgba(255,0,0,.20), rgba(38,23,23,.16), rgba(255,20,147,.22));
  background-size:200% 200%;
  filter:saturate(1.25) blur(6px);
  animation:aurora 11s ease-in-out infinite alternate;
}

@keyframes aurora{
  0%{background-position:0% 0%;transform:translate3d(0,0,0) scale(1)}
  50%{background-position:60% 40%;transform:translate3d(-2%,1%,0) scale(1.05)}
  100%{background-position:100% 100%;transform:translate3d(1%,-2%,0) scale(1.02)}
}

img{max-width:100%;height:auto;display:block}
figure{margin:0}
p{margin:0 0 1em}
h1,h2,h3{line-height:1.25;margin:0 0 .5em;font-weight:700}
h1{font-size:clamp(34px,6vw,68px);letter-spacing:-.01em}
h2{font-size:clamp(24px,3.4vw,34px)}
h3{font-size:clamp(19px,2.2vw,22px)}
a{color:var(--ink);text-decoration-color:rgba(255,0,0,.45);text-underline-offset:3px}
a:hover{color:var(--red)}
ul,ol{padding-left:1.3em;margin:0 0 1em}
li{margin:.35em 0}
div{scroll-margin-top:104px}

.shell{display:block}

/* 左侧固定竖栏 */
.masthead{
  position:fixed;
  inset:0 auto 0 0;
  width:var(--rail);
  display:flex;
  flex-direction:column;
  gap:14px;
  padding:18px 14px;
  background:rgba(255,246,244,.82);
  border-right:1px solid var(--line);
  box-shadow:18px 0 40px -34px rgba(38,23,23,.6);
  backdrop-filter:blur(14px);
  z-index:20;
  overflow-y:auto;
}

.mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:52px;
  height:52px;
  min-height:52px;
  flex:0 0 auto;
  background:linear-gradient(150deg,var(--red),var(--pink) 70%);
  box-shadow:var(--shadow);
  text-decoration:none;
  color:#fff;
}
.mark-img{width:100%;height:100%;object-fit:cover}
.mark-txt{font-weight:700;font-size:20px;color:#fff;letter-spacing:.06em}
.mark:hover{filter:saturate(1.2) brightness(1.05)}

.menu-btn{
  display:none;
  min-height:44px;
  padding:10px 14px;
  font:inherit;
  font-size:16px;
  color:var(--ink);
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  cursor:pointer;
}

.sidenav{display:block;min-width:0}
.grp{border-top:1px solid var(--line);padding-top:10px;min-width:0}
.grp:first-child{border-top:0;padding-top:0}

.grp-head{
  font-size:16px;
  font-weight:500;
  color:var(--muted);
  padding:6px 2px;
  cursor:pointer;
  list-style:none;
}
.grp-head::-webkit-details-marker{display:none}
.grp-head::after{content:"＋";float:right;color:var(--red)}
.grp[open] > .grp-head::after{content:"－"}

.grp-body{display:grid;gap:2px;padding:4px 0 8px;min-width:0}

.nav-link{
  display:flex;
  align-items:center;
  min-height:44px;
  min-width:0;
  padding:10px 12px;
  font-size:16px;
  text-decoration:none;
  border-left:3px solid transparent;
  background:rgba(255,255,255,.5);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.nav-link:hover,
.nav-link:focus-visible{
  border-left-color:var(--red);
  background:#fff;
  transform:translateX(2px);
}

.finder{
  margin-top:auto;
  display:grid;
  gap:6px;
  width:100%;
  max-width:100%;
  min-width:0;
  padding:12px 10px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.finder-label{font-size:16px;font-weight:500;color:var(--muted)}
.finder-input{
  width:100%;
  max-width:100%;
  min-width:0;
  min-height:40px;
  padding:8px 10px;
  font:inherit;
  font-size:16px;
  color:var(--ink);
  border:1px solid var(--line);
  background:var(--paper);
}
.finder-input:focus-visible{outline:2px solid var(--pink);outline-offset:1px}
.finder-btn{
  min-height:40px;
  padding:8px 10px;
  font:inherit;
  font-size:16px;
  color:#fff;
  background:var(--ink);
  border:0;
  cursor:pointer;
}
.finder-btn:hover{background:var(--red)}
.finder-out{font-size:16px;line-height:1.5;color:var(--muted);margin:0;min-height:0}

/* 主区 */
main{margin-left:var(--rail);min-width:0}

.hero{
  position:relative;
  min-height:100vh;
  min-height:100svh;
  display:flex;
  align-items:center;
  padding:96px clamp(20px,5vw,72px);
  overflow:hidden;
  border-bottom:1px solid var(--line);
  isolation:isolate;
}

.hero-fig{
  position:absolute;
  inset:0;
  z-index:-2;
  background:
    radial-gradient(60% 70% at 80% 10%, rgba(255,20,147,.55), rgba(255,20,147,0) 70%),
    linear-gradient(120deg, rgba(255,0,0,.85), rgba(255,20,147,.55) 45%, rgba(38,23,23,.9));
  animation:aurora 12s ease-in-out infinite alternate;
}
.hero-fig::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(95deg, rgba(38,23,23,.78), rgba(38,23,23,.28) 55%, rgba(38,23,23,.08));
  mix-blend-mode:multiply;
}
.hero-img{
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.85;
  will-change:transform;
}

.hero-mark{
  position:absolute;
  right:-2vw;
  bottom:-3vw;
  z-index:-1;
  font-size:clamp(120px,26vw,360px);
  font-weight:700;
  line-height:.85;
  letter-spacing:-.04em;
  color:rgba(255,255,255,.16);
  pointer-events:none;
  user-select:none;
}

.hero-copy{max-width:34ch;min-width:0;color:#fff;position:relative}
.eyebrow{
  display:inline-block;
  max-width:100%;
  font-size:16px;
  font-weight:500;
  letter-spacing:.22em;
  padding:6px 12px;
  margin:0 0 20px;
  border:1px solid rgba(255,255,255,.6);
  background:rgba(38,23,23,.28);
}
.hero-copy h1{color:#fff;text-shadow:0 10px 40px rgba(38,23,23,.55)}
.hero-lead{
  font-size:clamp(17px,2vw,20px);
  max-width:32ch;
  color:rgba(255,255,255,.92);
}
.hero-acts{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 0;min-width:0}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  max-width:100%;
  min-height:48px;
  padding:12px 22px;
  font-size:17px;
  font-weight:500;
  text-align:center;
  text-decoration:none;
  box-shadow:var(--shadow);
  transition:transform .2s ease,filter .2s ease;
}
.btn:hover{transform:translateY(-2px);filter:saturate(1.15)}
.btn-solid{background:linear-gradient(120deg,var(--red),var(--pink));color:#fff}
.btn-solid:hover{color:#fff}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.7)}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.26)}

/* 正文区 */
.stage{
  display:grid;
  grid-template-columns:240px minmax(0,1fr) 220px;
  gap:clamp(18px,3vw,40px);
  align-items:start;
  max-width:1440px;
  padding:clamp(32px,5vw,72px) clamp(18px,4vw,56px);
}
.stage > *{min-width:0}

.rail{
  position:sticky;
  top:24px;
  min-width:0;
  padding:20px 18px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.rail h2{font-size:20px}
.subtitle{font-size:16px;line-height:1.7;color:var(--muted);margin:0 0 14px}
.rail-nav{display:grid;gap:4px;margin:0 0 14px;min-width:0}
.rail-link{
  display:flex;
  align-items:center;
  min-height:44px;
  min-width:0;
  padding:8px 10px;
  font-size:16px;
  text-decoration:none;
  background:rgba(255,0,0,.05);
  border-left:3px solid rgba(255,0,0,.35);
}
.rail-link:hover{background:rgba(255,20,147,.12);border-left-color:var(--pink)}
.rail-note{font-size:16px;color:var(--muted);margin:0;border-top:1px solid var(--line);padding-top:12px}

.stream{min-width:0;max-width:100%}
.stream > div{
  padding:clamp(26px,4vw,52px) 0;
  border-top:1px solid var(--line);
}
.stream > div:first-child{border-top:0;padding-top:0}
.stream h2{position:relative;padding-left:16px}
.stream h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.28em;
  width:6px;
  height:1em;
  background:linear-gradient(180deg,var(--red),var(--pink));
}
.stream h3{color:#3b2320;margin-top:1.4em}
.stream p{max-width:66ch}
.stream ul,.stream ol{max-width:64ch}
.stream blockquote{
  margin:1.4em 0;
  padding:16px 20px;
  background:#fff;
  border-left:4px solid var(--pink);
  box-shadow:var(--shadow);
  font-size:17px;
}
.stream table{
  display:block;
  width:100%;
  max-width:100%;
  overflow-x:auto;
  border-collapse:collapse;
  margin:1.2em 0;
  background:#fff;
  box-shadow:var(--shadow);
  font-size:16px;
}
.stream th,.stream td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.stream th{background:rgba(255,0,0,.08)}
.stream strong{color:#7a1414}
.stream pre{
  max-width:100%;
  overflow-x:auto;
  padding:14px 16px;
  background:#fff;
  border:1px solid var(--line);
  font-size:16px;
}
.stream img,.stream iframe,.stream video{max-width:100%}

.poster{
  position:sticky;
  top:24px;
  min-width:0;
  background:linear-gradient(160deg,var(--red),var(--pink) 60%,var(--ink));
  box-shadow:var(--shadow);
  color:#fff;
  min-height:180px;
  overflow:hidden;
}
.poster-img{width:100%;filter:saturate(1.1)}
.poster figcaption{
  font-size:16px;
  line-height:1.6;
  padding:14px 16px;
  background:rgba(38,23,23,.72);
}

/* 页脚 */
footer{
  margin-left:var(--rail);
  min-width:0;
  border-top:1px solid var(--line);
  background:rgba(255,255,255,.7);
}
footer > div{
  padding:clamp(26px,4vw,48px) clamp(18px,4vw,56px);
  min-width:0;
}
.foot-cta{
  background:linear-gradient(120deg,rgba(255,0,0,.12),rgba(255,20,147,.16));
  border-bottom:1px solid var(--line);
}
.foot-cta h2{max-width:26ch}
.foot-cta .subtitle{max-width:56ch}
.foot-cta-act{margin:18px 0 0}
.foot-cta .btn-solid{color:#fff}

.foot-index{border-bottom:1px solid var(--line)}
.foot-nav{min-width:0}
.foot-nav dl{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(140px,1fr));
  gap:4px 16px;
  margin:0;
}
.foot-nav dt{font-size:16px;font-weight:500;color:var(--muted);padding-top:8px}
.foot-nav dd{margin:0 0 12px;min-width:0}
.foot-nav a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:4px 0;
  font-size:16px;
  text-decoration:none;
  border-bottom:1px solid rgba(255,0,0,.35);
}
.foot-nav a:hover{border-bottom-color:var(--pink)}

.foot-base{text-align:center}
.foot-brand{font-weight:700;font-size:18px;letter-spacing:.06em;margin:0 0 6px}
.foot-legal{font-size:16px;color:var(--muted);margin:0}

/* 移动端 */
@media (max-width:1100px){
  .stage{grid-template-columns:240px minmax(0,1fr)}
  .poster{grid-column:1 / -1;position:static;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:stretch}
  .rail{top:14px}
}

@media (max-width:900px){
  :root{--rail:0px}
  .masthead{
    position:sticky;
    inset:0 0 auto 0;
    width:auto;
    max-width:100%;
    flex-direction:row;
    flex-wrap:wrap;
    align-items:center;
    gap:10px;
    padding:10px 14px;
    border-right:0;
    border-bottom:1px solid var(--line);
    box-shadow:0 14px 30px -26px rgba(38,23,23,.8);
  }
  .mark{width:44px;height:44px;min-height:44px}
  .menu-btn{display:inline-flex;align-items:center;margin-left:auto}
  .sidenav{display:none;width:100%;order:5}
  .masthead.is-open .sidenav{display:block}
  .grp-body{grid-template-columns:1fr 1fr}
  .finder{width:100%;order:6;margin-top:0}
  .masthead:not(.is-open) .finder{display:none}
  .masthead.is-open .finder{display:grid}
  main,footer{margin-left:0}
  .hero{padding:56px 18px 64px;min-height:92svh}
  .stage{grid-template-columns:minmax(0,1fr);gap:24px;padding-left:18px;padding-right:18px}
  .rail{position:static}
  .rail-nav{grid-template-columns:1fr 1fr}
  .poster{grid-template-columns:minmax(0,1fr)}
  div{scroll-margin-top:88px}
  .hero-mark{font-size:clamp(96px,34vw,200px);right:0;bottom:0}
}

@media (max-width:520px){
  body{font-size:16px}
  .grp-body,.rail-nav{grid-template-columns:1fr}
  .hero-copy{max-width:none;width:100%}
  .hero-lead{max-width:none}
  .hero-acts{flex-direction:column;align-items:stretch}
  .btn{width:100%}
  .foot-nav dl{grid-template-columns:minmax(0,1fr)}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  body::before,.hero-fig{animation:none}
  .btn,.nav-link{transition:none}
  .hero-img{transform:none !important}
}

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