@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;500;600;700&family=Josefin+Sans:wght@300;400;500;600&display=swap');

:root{
  --ink:#0E1B2A;
  --gold:#C8A96A;
  --cream:#F4EFE6;
  --glass:rgba(244,239,230,.045);
  --line:rgba(200,169,106,.24);
  --gold-soft:rgba(200,169,106,.13);
  --muted:rgba(244,239,230,.72);
  --serif:'Cinzel','Songti SC','Noto Serif SC',Georgia,serif;
  --sans:'Josefin Sans','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;
  --pad:clamp(16px,4vw,42px);
}

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

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

body{
  margin:0;
  background:var(--ink);
  color:var(--cream);
  font-family:var(--sans);
  font-size:17px;
  font-weight:400;
  line-height:1.8;
  letter-spacing:.02em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%}
p{margin:0 0 1em}

a{color:var(--gold);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--cream)}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

/* ---------- 视差层 ---------- */
.sky{
  position:fixed;
  inset:-30% 0;
  z-index:0;
  pointer-events:none;
  overflow:hidden;
}
.sky i{position:absolute;inset:0;display:block;will-change:transform}

.sky .la{
  transform:translate3d(0,calc(var(--s,0) * .10px),0);
  background:radial-gradient(58% 42% at 78% 10%,rgba(200,169,106,.20),transparent 72%);
}
.sky .lb{
  transform:translate3d(0,calc(var(--s,0) * .22px),0);
  background:radial-gradient(48% 38% at 10% 58%,rgba(244,239,230,.075),transparent 72%);
}
.sky .lc{
  opacity:.32;
  transform:translate3d(0,calc(var(--s,0) * .36px),0);
  background-image:radial-gradient(rgba(200,169,106,.55) 1px,transparent 1px);
  background-size:28px 28px;
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 18%,#000 74%,transparent);
  mask-image:linear-gradient(180deg,transparent,#000 18%,#000 74%,transparent);
}

/* ---------- 顶栏 ---------- */
.masthead{
  position:sticky;
  top:0;
  z-index:40;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 16px;
  padding:9px var(--pad);
  background:rgba(14,27,42,.76);
  -webkit-backdrop-filter:blur(16px) saturate(1.2);
  backdrop-filter:blur(16px) saturate(1.2);
  border-bottom:1px solid var(--line);
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:46px;
  color:var(--cream);
  font-family:var(--serif);
  font-size:17px;
  letter-spacing:.16em;
  white-space:nowrap;
}
.brand:hover{color:var(--gold)}
.brand .mark{width:30px;height:30px;object-fit:contain;display:block}
.brand .sigil{
  width:30px;height:30px;
  display:grid;place-items:center;
  border:1px solid var(--gold);
  color:var(--gold);
  font-size:16px;
  letter-spacing:0;
}

.drawer{order:2;position:relative}
.drawer > summary{
  list-style:none;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  gap:9px;
  min-height:46px;
  padding:0 14px;
  border:1px solid var(--line);
  color:var(--gold);
  font-size:16px;
  letter-spacing:.26em;
}
.drawer > summary::-webkit-details-marker{display:none}
.drawer > summary::before{
  content:"";
  width:15px;height:9px;
  border-top:1px solid currentColor;
  border-bottom:1px solid currentColor;
}
.drawer > summary:hover{border-color:var(--gold);color:var(--cream)}

.drawer > menu{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:2px;
}
.drawer > menu a{
  display:inline-flex;
  align-items:center;
  min-height:46px;
  padding:0 12px;
  color:rgba(244,239,230,.82);
  font-size:16px;
  letter-spacing:.06em;
  border-bottom:1px solid transparent;
}
.drawer > menu a:hover{
  color:var(--ink);
  background:var(--gold);
}

.find{
  order:3;
  margin-left:auto;
  display:flex;
  align-items:stretch;
  min-width:0;
}
.find input{
  width:168px;
  min-width:0;
  height:46px;
  padding:0 12px;
  border:1px solid var(--line);
  border-right:0;
  background:rgba(244,239,230,.04);
  color:var(--cream);
  font-family:var(--sans);
  font-size:16px;
  letter-spacing:.06em;
  -webkit-appearance:none;
  appearance:none;
}
.find input::placeholder{color:rgba(244,239,230,.45)}
.find input:focus{
  outline:none;
  border-color:var(--gold);
  background:rgba(244,239,230,.08);
}
.find button{
  height:46px;
  padding:0 14px;
  border:1px solid var(--line);
  background:var(--gold-soft);
  color:var(--gold);
  font-family:var(--sans);
  font-size:16px;
  letter-spacing:.14em;
  cursor:pointer;
}
.find button:hover{background:var(--gold);color:var(--ink)}
.find.shake{animation:shake .42s ease}

@keyframes shake{
  0%,100%{transform:translateX(0)}
  25%{transform:translateX(-5px)}
  60%{transform:translateX(4px)}
}

/* ---------- 结构 ---------- */
.frame{
  position:relative;
  z-index:1;
  max-width:1220px;
  margin:0 auto;
  padding:0 var(--pad) 68px;
  display:grid;
  grid-template-columns:minmax(0,1fr) 248px;
  gap:clamp(20px,3vw,46px);
  align-items:start;
}

.story{min-width:0}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,.86fr) minmax(0,1.14fr);
  align-items:center;
  gap:clamp(16px,3vw,38px);
  min-height:45vh;
  padding:clamp(20px,3.6vw,44px) 0 clamp(34px,4vw,52px);
}
.hero--solo{grid-template-columns:1fr}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.22;
  background-image:radial-gradient(rgba(200,169,106,.6) 1px,transparent 1px);
  background-size:19px 19px;
  -webkit-mask-image:linear-gradient(120deg,transparent 40%,#000);
  mask-image:linear-gradient(120deg,transparent 40%,#000);
}
.hero::after{
  content:"";
  position:absolute;
  right:0;
  bottom:6px;
  width:56px;
  height:56px;
  border:1px solid var(--line);
  border-right-color:var(--gold);
  border-bottom-color:var(--gold);
  border-radius:50%;
  opacity:.55;
  animation:spin 24s linear infinite;
  pointer-events:none;
}
@keyframes spin{to{transform:rotate(360deg)}}

.hero-media{
  position:relative;
  z-index:1;
  margin:0;
  aspect-ratio:4/3;
  border:1px solid var(--line);
  background:var(--glass);
  overflow:hidden;
}
.hero-media:empty{display:none}
.hero-img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.92) contrast(1.04);
}

.hero-copy{position:relative;z-index:1;text-align:right}
.kicker{
  display:block;
  font-family:var(--serif);
  font-size:16px;
  letter-spacing:.42em;
  color:var(--gold);
}
.hero-copy h1{
  margin:.28em 0 .34em;
  font-family:var(--serif);
  font-size:clamp(26px,4.4vw,44px);
  font-weight:600;
  line-height:1.28;
  letter-spacing:.06em;
}
.hero-copy p{
  margin:0;
  color:var(--muted);
  font-size:16px;
  line-height:1.78;
}

/* ---------- 正文区 ---------- */
div > article{
  position:relative;
  scroll-margin-top:118px;
  margin:0 0 20px;
  padding:clamp(20px,3.4vw,38px);
  background:var(--glass);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  box-shadow:0 30px 60px -48px rgba(0,0,0,.95);
}
div > article::after{
  content:"";
  position:absolute;
  left:0;top:0;
  width:56px;height:1px;
  background:var(--gold);
  opacity:.65;
}
div > article.hit{
  border-color:var(--gold);
  box-shadow:0 0 0 1px var(--gold),0 0 42px -14px rgba(200,169,106,.75);
}

.story h2{
  margin:.1em 0 .7em;
  padding-bottom:.45em;
  border-bottom:1px solid var(--line);
  font-family:var(--serif);
  font-size:clamp(21px,2.7vw,29px);
  font-weight:600;
  line-height:1.4;
  letter-spacing:.05em;
}
.story h3{
  margin:1.4em 0 .5em;
  font-family:var(--serif);
  font-size:clamp(18px,2.2vw,21px);
  font-weight:500;
  line-height:1.5;
  letter-spacing:.04em;
  color:var(--gold);
}
.story h2 + h3{margin-top:.2em}
.story h2 small,.story h3 small{
  display:block;
  margin-bottom:.5em;
  font-family:var(--sans);
  font-size:16px;
  font-weight:400;
  letter-spacing:.34em;
  color:var(--gold);
}
.story p{color:rgba(244,239,230,.87);line-height:1.92}
.story strong{color:var(--cream);font-weight:600}
.story em{color:var(--gold);font-style:normal}

.story ul,.story ol{margin:0 0 1.1em;padding-left:1.35em}
.story li{margin:.35em 0;line-height:1.85}
.story ul li::marker{color:var(--gold)}
.story ol li::marker{color:var(--gold);font-family:var(--serif)}

.story blockquote{
  margin:1.4em 0;
  padding:.2em 0 .2em 1.1em;
  border-left:2px solid var(--gold);
  color:rgba(244,239,230,.8);
  font-style:normal;
}
.story blockquote p:last-child{margin-bottom:0}

.story a{
  color:var(--gold);
  border-bottom:1px solid var(--gold-soft);
}
.story a:hover{border-bottom-color:var(--gold)}

.story table{
  width:100%;
  margin:1.2em 0;
  border-collapse:collapse;
  font-size:16px;
}
.story th,.story td{
  padding:10px 12px;
  border:1px solid var(--line);
  text-align:left;
  vertical-align:top;
}
.story th{color:var(--gold);font-weight:500;background:rgba(200,169,106,.07)}

.story hr{
  margin:1.8em 0;
  border:0;
  border-top:1px solid var(--line);
}

.story img{margin:.6em 0;border:1px solid var(--line)}
.story code{
  padding:.1em .4em;
  background:rgba(200,169,106,.14);
  color:var(--gold);
  font-size:15px;
}

/* ---------- 侧栏 ---------- */
.rail{
  position:sticky;
  top:106px;
  align-self:start;
  z-index:1;
}
.rail-t{
  margin:0 0 12px;
  font-family:var(--serif);
  font-size:16px;
  letter-spacing:.34em;
  color:var(--gold);
}
.rail ol{list-style:none;margin:0;padding:0;display:grid;gap:1px}
.rail a{
  display:flex;
  align-items:baseline;
  gap:10px;
  min-height:42px;
  padding:8px 8px 8px 11px;
  border-left:1px solid var(--line);
  color:var(--muted);
  font-size:16px;
  line-height:1.5;
}
.rail a .num{
  font-family:var(--serif);
  font-size:15px;
  color:var(--gold);
  opacity:.7;
}
.rail a:hover,
.rail a.on{
  color:var(--cream);
  border-left-color:var(--gold);
  background:linear-gradient(90deg,var(--gold-soft),transparent);
}
.rail a.on .num{opacity:1}

/* ---------- 页脚 ---------- */
footer{
  position:relative;
  z-index:1;
  margin-top:8px;
  padding:30px var(--pad) 46px;
  text-align:center;
  border-top:1px solid var(--line);
  background:rgba(14,27,42,.62);
}
footer p{
  margin:0 0 6px;
  font-family:var(--serif);
  font-size:16px;
  letter-spacing:.3em;
  color:var(--gold);
}
footer small{
  font-size:16px;
  letter-spacing:.12em;
  color:rgba(244,239,230,.5);
}

/* ---------- 动效 ---------- */
.reveal{
  opacity:0;
  transform:translateY(26px);
  transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1);
  transition-delay:var(--d,0ms);
  will-change:transform,opacity;
}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:980px){
  .frame{grid-template-columns:1fr;padding-bottom:52px}
  .rail{
    position:static;
    order:3;
    margin:6px 0 26px;
    padding-top:20px;
    border-top:1px solid var(--line);
  }
  .rail ol{grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 10px}
}

@media (max-width:880px){
  .masthead{justify-content:space-between}
  .brand{order:1}
  .drawer{order:2}
  .find{order:3;flex:1 1 100%;margin:0 0 6px}
  .find input{flex:1 1 auto;width:auto}
  .drawer[open] > menu{
    position:absolute;
    left:0;right:0;top:100%;
    flex-direction:column;
    gap:0;
    padding:6px var(--pad) 16px;
    background:rgba(14,27,42,.97);
    -webkit-backdrop-filter:blur(18px);
    backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
  }
  .drawer > menu a{min-height:50px;width:100%}
}

@media (max-width:720px){
  body{font-size:16px}
  .hero{
    grid-template-columns:1fr;
    min-height:0;
    padding:18px 0 38px;
  }
  .hero--solo{grid-template-columns:1fr}
  .hero-media{aspect-ratio:16/10}
  .hero-copy h1{font-size:clamp(25px,7vw,34px)}
  .kicker{letter-spacing:.3em}
  div > article{padding:20px 16px;margin-bottom:16px}
  .story h2 small,.story h3 small{letter-spacing:.24em}
  .rail ol{grid-template-columns:1fr}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .sky i{transform:none !important}
  .hero::after{animation:none}
  .find.shake{animation:none}
}

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