:root{
  --bg-deep:#0a1626;
  --bg-mid:#0f2238;
  --bg-card:rgba(20,38,60,.78);
  --bg-card-2:rgba(28,52,80,.65);
  --line:rgba(220,180,120,.18);
  --line-strong:rgba(220,180,120,.42);
  --gold:#e9c373;
  --gold-deep:#b8893a;
  --crimson:#c8413a;
  --crimson-deep:#7a1f1c;
  --jade:#4cc38a;
  --ink:#0a1626;
  --paper:#f3e7c8;
  --paper-soft:#e7d6ab;
  --paper-dim:#cdb88a;
  --text:#f3e7c8;
  --text-dim:#cdb88a;
  --text-mute:#8a7c5a;
  --shadow:0 18px 48px rgba(0,0,0,.55);
  --radius:14px;
  --radius-lg:22px;
  --max-w:1200px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;
  --sans:"PingFang SC","Noto Sans SC","Microsoft Yahei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  background:
    radial-gradient(1200px 800px at 80% -10%,rgba(184,137,58,.22),transparent 60%),
    radial-gradient(900px 600px at 0% 110%,rgba(122,31,28,.32),transparent 55%),
    linear-gradient(180deg,#070e1a 0%,#0a1626 50%,#0d1a2c 100%);
  color:var(--text);
  line-height:1.85;
  letter-spacing:.02em;
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto;border:0}
a{color:var(--gold);text-decoration:none;transition:color .25s ease}
a:hover{color:#fff3d6}
button{font-family:inherit;cursor:pointer;border:0;background:transparent;color:inherit}

.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}

.skip-link{
  position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden;
  background:#000;color:#fff;padding:8px 14px;border-radius:6px;z-index:9999;
}
.skip-link:focus{left:12px;top:12px;width:auto;height:auto;outline:3px solid var(--gold)}

/* 顶部导航 */
.site-top{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  background:rgba(7,14,26,.72);
  border-bottom:1px solid var(--line);
}
.site-top .inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 24px;max-width:var(--max-w);margin:0 auto;
}
.brand{
  display:flex;align-items:center;gap:10px;font-family:var(--serif);
  color:var(--paper);font-weight:700;font-size:20px;letter-spacing:.06em;
}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--crimson-deep) 0%,var(--gold-deep) 100%);
  display:grid;place-items:center;color:#fff;font-family:var(--serif);
  font-weight:800;font-size:18px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12),0 6px 14px rgba(184,137,58,.35);
}
.brand small{display:block;font-family:var(--sans);font-size:11px;color:var(--paper-dim);letter-spacing:.18em;margin-top:2px;font-weight:400}
.nav-list{display:flex;gap:6px;flex-wrap:wrap}
.nav-list a{
  display:inline-block;padding:8px 14px;border-radius:999px;font-size:14px;
  color:var(--paper-dim);border:1px solid transparent;
}
.nav-list a:hover{color:var(--paper);border-color:var(--line-strong);background:rgba(220,180,120,.06)}
.nav-list a.active{color:var(--paper);background:rgba(184,137,58,.18);border-color:var(--line-strong)}

.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:rgba(20,38,60,.6);
}
.nav-toggle span{
  display:block;width:18px;height:2px;background:var(--paper);margin:4px auto;border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

@media (max-width:880px){
  .nav-toggle{display:block}
  .nav-list{
    position:absolute;left:0;right:0;top:100%;flex-direction:column;
    background:rgba(7,14,26,.96);padding:14px;border-bottom:1px solid var(--line);
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:transform .25s ease,opacity .25s ease;
  }
  .nav-list.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-list a{padding:12px 16px;border-radius:10px}
}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  padding:80px 0 64px;
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(600px 360px at 80% 20%,rgba(184,137,58,.25),transparent 65%),
    radial-gradient(500px 320px at 10% 80%,rgba(122,31,28,.30),transparent 60%);
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
}
.hero-text .kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(184,137,58,.14);border:1px solid var(--line-strong);
  color:var(--gold);font-size:12px;letter-spacing:.18em;
}
.hero-text h1{
  font-family:var(--serif);font-size:clamp(28px,4.4vw,48px);
  margin:18px 0 14px;line-height:1.25;color:#fff8e6;font-weight:800;letter-spacing:.02em;
}
.hero-text h1 .accent{
  display:block;font-size:clamp(16px,2vw,22px);
  color:var(--paper-soft);font-weight:500;letter-spacing:.08em;margin-top:10px;
}
.hero-text .lead{
  font-size:16px;color:var(--paper-dim);margin:0 0 22px;max-width:60ch;
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px;margin:0 0 26px;padding:0;list-style:none;
}
.hero-meta li{
  padding:6px 12px;border-radius:8px;font-size:12.5px;color:var(--paper-soft);
  background:rgba(20,38,60,.6);border:1px solid var(--line);
}
.hero-meta b{color:var(--gold);margin-right:6px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;border-radius:999px;font-weight:600;font-size:14.5px;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--crimson) 0%,var(--gold-deep) 100%);
  color:#fff8e6;box-shadow:0 10px 24px rgba(184,137,58,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(184,137,58,.45);color:#fff}
.btn-ghost{
  background:rgba(20,38,60,.6);color:var(--paper);
  border:1px solid var(--line-strong);
}
.btn-ghost:hover{background:rgba(28,52,80,.85);color:#fff}

.hero-figure{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow);
  border:1px solid var(--line);
  aspect-ratio:4/5;
  background:#0d1a2c;
}
.hero-figure img{
  width:100%;height:100%;object-fit:cover;
  transition:transform 8s ease;
}
.hero-figure:hover img{transform:scale(1.05)}
.hero-figure .badge{
  position:absolute;left:18px;top:18px;z-index:2;
  background:rgba(7,14,26,.7);backdrop-filter:blur(6px);
  border:1px solid var(--line-strong);
  padding:6px 12px;border-radius:999px;font-size:12px;color:var(--gold);letter-spacing:.12em;
}
.hero-figure .caption{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:18px 18px;background:linear-gradient(180deg,transparent 0%,rgba(7,14,26,.92) 100%);
  color:var(--paper-soft);font-size:13px;
}
.hero-figure .caption b{display:block;color:#fff8e6;font-family:var(--serif);font-size:16px;margin-bottom:4px}

@media (max-width:880px){
  .hero{padding:48px 0 40px}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-figure{order:-1;aspect-ratio:16/10}
}

/* 主体 section 通用 */
.section{padding:72px 0;position:relative}
.section + .section{border-top:1px solid var(--line)}
.section-head{max-width:760px;margin:0 auto 40px;text-align:center}
.section-head .kicker{
  display:inline-block;padding:5px 14px;border-radius:999px;
  background:rgba(184,137,58,.12);border:1px solid var(--line);
  color:var(--gold);font-size:12px;letter-spacing:.2em;
}
.section-head h2{
  font-family:var(--serif);font-size:clamp(24px,3vw,36px);margin:16px 0 12px;
  color:#fff8e6;letter-spacing:.04em;
}
.section-head p{color:var(--paper-dim);font-size:15.5px;margin:0}

/* 章节卡片 */
.chapter-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px}
.chapter-card{
  position:relative;border-radius:var(--radius);overflow:hidden;
  background:var(--bg-card);border:1px solid var(--line);backdrop-filter:blur(8px);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  display:flex;flex-direction:column;
}
.chapter-card:hover{
  transform:translateY(-6px);border-color:var(--line-strong);
  box-shadow:0 24px 48px rgba(0,0,0,.5);
}
.chapter-card .cover{
  aspect-ratio:16/10;overflow:hidden;position:relative;
  background:linear-gradient(135deg,#1a2e48,#0a1626);
}
.chapter-card .cover img{
  width:100%;height:100%;object-fit:cover;transition:transform 1.2s ease;
}
.chapter-card:hover .cover img{transform:scale(1.08)}
.chapter-card .cover .ep{
  position:absolute;left:14px;top:14px;z-index:2;
  background:rgba(7,14,26,.78);border:1px solid var(--line-strong);
  color:var(--gold);padding:4px 12px;border-radius:999px;font-size:12px;letter-spacing:.12em;
}
.chapter-card .body{padding:22px 22px 24px;flex:1;display:flex;flex-direction:column}
.chapter-card h3{
  font-family:var(--serif);font-size:20px;margin:0 0 10px;color:#fff8e6;line-height:1.4;
}
.chapter-card p{color:var(--paper-dim);font-size:14.5px;margin:0 0 16px;flex:1}
.chapter-card .more{
  display:inline-flex;align-items:center;gap:6px;color:var(--gold);
  font-size:13.5px;font-weight:600;letter-spacing:.06em;
}
.chapter-card .more::after{content:"→";transition:transform .25s ease}
.chapter-card:hover .more::after{transform:translateX(4px)}

/* 故事长文 */
.story{max-width:880px;margin:0 auto}
.story .lede{
  font-family:var(--serif);font-size:20px;line-height:1.9;
  color:var(--paper-soft);padding:24px 28px;border-radius:var(--radius);
  background:linear-gradient(135deg,rgba(184,137,58,.10),rgba(122,31,28,.08));
  border:1px solid var(--line);margin:0 0 28px;
}
.story p{margin:0 0 18px;color:var(--paper);font-size:16px;line-height:1.95}
.story h3{
  font-family:var(--serif);font-size:22px;color:#fff8e6;
  margin:36px 0 14px;padding-left:14px;border-left:3px solid var(--gold);
}
.story blockquote{
  margin:24px 0;padding:18px 22px;border-radius:12px;
  background:rgba(20,38,60,.55);border:1px solid var(--line);
  color:var(--paper-soft);font-style:italic;
}
.story blockquote b{color:var(--gold);font-style:normal;margin-right:6px}

.fact-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:18px;margin:30px 0 0;padding:0;list-style:none;
}
.fact-grid li{
  padding:20px;border-radius:var(--radius);
  background:var(--bg-card-2);border:1px solid var(--line);
}
.fact-grid .label{
  display:block;font-size:12.5px;color:var(--paper-dim);letter-spacing:.14em;margin-bottom:8px;
}
.fact-grid .value{
  font-family:var(--serif);font-size:22px;color:var(--gold);font-weight:700;
}

/* 时间线 */
.timeline{position:relative;max-width:880px;margin:0 auto;padding:0}
.timeline::before{
  content:"";position:absolute;left:18px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--gold),var(--crimson));
  border-radius:2px;opacity:.6;
}
.timeline-item{
  position:relative;padding-left:54px;margin-bottom:26px;
}
.timeline-item::before{
  content:"";position:absolute;left:11px;top:14px;width:16px;height:16px;
  border-radius:50%;background:var(--gold);
  box-shadow:0 0 0 4px rgba(184,137,58,.22),0 0 0 1px var(--bg-deep);
}
.timeline-item h4{
  font-family:var(--serif);font-size:18px;color:#fff8e6;margin:0 0 6px;
}
.timeline-item p{margin:0;color:var(--paper-dim);font-size:14.5px;line-height:1.8}

/* 图集 */
.gallery{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:16px;max-width:1080px;margin:0 auto;
}
.gallery-item{
  position:relative;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);aspect-ratio:4/5;
  background:#0d1a2c;cursor:pointer;
}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform 1.4s ease}
.gallery-item:hover img{transform:scale(1.07)}
.gallery-item::after{
  content:attr(data-title);position:absolute;left:0;right:0;bottom:0;
  padding:14px 16px;font-size:13px;color:var(--paper-soft);
  background:linear-gradient(180deg,transparent 0%,rgba(7,14,26,.92) 100%);
  letter-spacing:.04em;
}

/* FAQ */
.faq{max-width:880px;margin:0 auto}
.faq details{
  background:var(--bg-card);border:1px solid var(--line);
  border-radius:var(--radius);padding:0 22px;margin-bottom:14px;
  transition:border-color .25s ease;
}
.faq details[open]{border-color:var(--line-strong)}
.faq summary{
  list-style:none;cursor:pointer;
  padding:18px 0;font-family:var(--serif);font-size:17px;color:#fff8e6;
  display:flex;justify-content:space-between;align-items:center;gap:14px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";font-size:24px;color:var(--gold);transition:transform .25s ease;
  line-height:1;
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .answer{padding:0 0 20px;color:var(--paper-dim);font-size:15px;line-height:1.9}
.faq .answer p{margin:0 0 12px}

/* CTA */
.cta-band{
  margin:64px auto 0;max-width:1080px;padding:48px 36px;border-radius:var(--radius-lg);
  background:
    linear-gradient(135deg,rgba(122,31,28,.30) 0%,rgba(184,137,58,.28) 100%),
    radial-gradient(500px 300px at 80% 20%,rgba(184,137,58,.22),transparent 60%);
  border:1px solid var(--line-strong);text-align:center;
}
.cta-band h3{
  font-family:var(--serif);font-size:clamp(22px,2.6vw,28px);
  color:#fff8e6;margin:0 0 12px;
}
.cta-band p{color:var(--paper-soft);margin:0 auto 22px;max-width:640px}

/* 页脚 */
.site-foot{
  margin-top:80px;padding:36px 0;border-top:1px solid var(--line);
  background:rgba(7,14,26,.6);
}
.site-foot .inner{
  display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:center;
  max-width:var(--max-w);margin:0 auto;padding:0 24px;font-size:13.5px;color:var(--text-mute);
}
.site-foot .links{display:flex;flex-wrap:wrap;gap:14px}
.site-foot a{color:var(--paper-dim)}
.site-foot a:hover{color:var(--gold)}

/* 回到顶部 */
.to-top{
  position:fixed;right:18px;bottom:18px;z-index:60;
  width:46px;height:46px;border-radius:50%;
  background:linear-gradient(135deg,var(--crimson),var(--gold-deep));
  color:#fff;display:grid;place-items:center;font-size:20px;
  box-shadow:0 10px 24px rgba(0,0,0,.45);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .25s ease,transform .25s ease;
}
.to-top.is-show{opacity:1;transform:translateY(0);pointer-events:auto}
.to-top:hover{transform:translateY(-2px)}

/* Reveal 动画 */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .8s ease,transform .8s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero-figure img,.chapter-card .cover img,.gallery-item img{transition:none}
}

/* 打印样式 */
@media print{
  .site-top,.nav-toggle,.to-top,.cta-band,.hero-cta{display:none!important}
  body{background:#fff;color:#000}
  a{color:#000}
  .chapter-card,.faq details,.gallery-item,.cta-band{break-inside:avoid}
}