:root{
  --bg: #0b1d33;
  --bg-2: #0f2741;
  --bg-3: #143152;
  --ink: #f3e7c8;
  --ink-2: #e1d3ad;
  --ink-3: #b9a780;
  --muted: #6e8aab;
  --line: rgba(198,155,58,.18);
  --line-2: rgba(198,155,58,.32);
  --gold: #c69b3a;
  --gold-2: #e2bb5d;
  --accent: #b8893a;
  --danger: #7a1f1c;
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 22px;
  --shadow: 0 6px 28px rgba(0,0,0,.45);
  --shadow-lg: 0 18px 60px rgba(0,0,0,.55);
  --max: 1180px;
  --easing: cubic-bezier(.22,.61,.36,1);
}

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

html,body{margin:0;padding:0}

html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
  text-rendering:optimizeLegibility;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,"Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:
    radial-gradient(1200px 600px at 12% -10%,rgba(198,155,58,.10),transparent 60%),
    radial-gradient(1000px 500px at 92% 8%,rgba(126,90,33,.10),transparent 60%),
    linear-gradient(180deg,#081628 0%,#0b1d33 38%,#0a1a2e 100%);
  background-attachment:fixed;
  min-height:100vh;
  overflow-x:hidden;
  word-break:break-word;
  overflow-wrap:break-word;
}

img,svg{max-width:100%;height:auto;display:block}

a{color:var(--gold-2);text-decoration:none;transition:color .25s var(--easing)}
a:hover{color:var(--ink)}
a:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}

h1,h2,h3,h4,h5,h6{
  margin:0 0 .6em;
  line-height:1.35;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--ink);
}
h1{font-size:clamp(1.85rem,2.6vw + .8rem,2.85rem);letter-spacing:.005em}
h2{font-size:clamp(1.55rem,1.5vw + .8rem,2.05rem)}
h3{font-size:clamp(1.18rem,1vw + .6rem,1.4rem);color:var(--ink-2)}
h4{font-size:1.05rem;color:var(--ink-2)}

p{margin:0 0 1em}
strong,b{color:var(--ink);font-weight:700}

ul,ol{padding-left:1.4em;margin:0 0 1.2em}

blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  border-left:3px solid var(--gold);
  background:linear-gradient(180deg,rgba(198,155,58,.07),rgba(198,155,58,.02));
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--ink-2);
  font-size:.98rem;
}
blockquote b{color:var(--gold-2)}

.skip-link{
  position:absolute;
  left:-9999px;
  top:8px;
  background:var(--gold);
  color:#0b1d33;
  padding:10px 16px;
  border-radius:var(--radius-sm);
  font-weight:700;
  z-index:9999;
}
.skip-link:focus{left:8px;color:#0b1d33}

.container{
  width:min(100% - 2.4rem,var(--max));
  margin-inline:auto;
}

.site-top{
  position:sticky;
  top:0;
  z-index:100;
  background:linear-gradient(180deg,rgba(8,22,40,.92),rgba(8,22,40,.78));
  backdrop-filter:saturate(140%) blur(14px);
  -webkit-backdrop-filter:saturate(140%) blur(14px);
  border-bottom:1px solid var(--line);
}
.site-top .inner{
  width:min(100% - 2rem,var(--max));
  margin-inline:auto;
  padding:14px 0;
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  color:var(--ink);
  font-weight:700;
  letter-spacing:.02em;
}
.brand span{display:flex;flex-direction:column;line-height:1.1}
.brand small{
  font-size:.7rem;
  color:var(--ink-3);
  letter-spacing:.18em;
  font-weight:500;
  margin-top:2px;
}
.brand-mark{
  width:42px;height:42px;
  display:grid;place-items:center;
  border-radius:10px;
  background:linear-gradient(135deg,#0b1d33,#1f2f4d);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei",serif;
  font-size:1.35rem;
  font-weight:800;
  border:1px solid var(--line-2);
  box-shadow:inset 0 0 18px rgba(198,155,58,.18);
}
.nav-list{
  margin-left:auto;
  display:flex;
  flex-wrap:wrap;
  gap:6px 18px;
  font-size:.92rem;
}
.nav-list a{
  color:var(--ink-2);
  padding:6px 2px;
  position:relative;
}
.nav-list a::after{
  content:"";
  position:absolute;
  left:0;right:100%;
  bottom:-2px;
  height:2px;
  background:var(--gold);
  transition:right .35s var(--easing);
}
.nav-list a:hover{color:var(--gold-2)}
.nav-list a:hover::after{right:0}

.nav-toggle{
  display:none;
  background:transparent;
  border:1px solid var(--line-2);
  border-radius:8px;
  padding:8px 10px;
  cursor:pointer;
  margin-left:auto;
}
.nav-toggle span{
  display:block;
  width:22px;height:2px;
  background:var(--ink);
  margin:5px 0;
  transition:transform .3s var(--easing),opacity .25s var(--easing);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.hero{
  position:relative;
  padding:72px 0 56px;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:auto -10% -50% -10%;
  height:80%;
  background:radial-gradient(60% 60% at 50% 0%,rgba(198,155,58,.12),transparent 70%);
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:48px;
  align-items:center;
}
.hero-text .kicker{
  display:inline-block;
  font-size:.78rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--gold-2);
  background:rgba(198,155,58,.10);
  padding:6px 12px;
  border:1px solid var(--line-2);
  border-radius:999px;
  margin-bottom:16px;
}
.hero-text h1{
  margin-bottom:18px;
}
.hero-text .accent{
  display:block;
  font-size:.62em;
  font-weight:500;
  color:var(--ink-3);
  margin-top:10px;
  letter-spacing:.02em;
  line-height:1.5;
}
.hero-text .lead{
  font-size:1.02rem;
  color:var(--ink-2);
  margin-bottom:22px;
}
.hero-meta{
  list-style:none;
  padding:0;
  margin:0 0 22px;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(170px,1fr));
  gap:8px 14px;
  font-size:.92rem;
  color:var(--ink-3);
}
.hero-meta li{
  background:rgba(255,255,255,.02);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:8px 12px;
}
.hero-meta b{
  display:inline-block;
  margin-right:6px;
  color:var(--gold-2);
  font-size:.78rem;
  letter-spacing:.1em;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:10px}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:11px 22px;
  border-radius:999px;
  font-weight:700;
  font-size:.95rem;
  letter-spacing:.04em;
  border:1px solid transparent;
  transition:transform .25s var(--easing),box-shadow .25s var(--easing),background .25s var(--easing),color .25s var(--easing);
  cursor:pointer;
}
.btn-primary{
  background:linear-gradient(135deg,var(--gold),var(--accent));
  color:#0b1d33;
  box-shadow:0 8px 24px rgba(198,155,58,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(198,155,58,.40);color:#0b1d33}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border-color:var(--line-2);
}
.btn-ghost:hover{background:rgba(198,155,58,.08);color:var(--gold-2)}

.hero-figure{
  position:relative;
  margin:0;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line-2);
  box-shadow:var(--shadow-lg);
  background:#0e2540;
}
.hero-figure .badge{
  position:absolute;
  top:14px;left:14px;
  z-index:2;
  font-size:.75rem;
  letter-spacing:.14em;
  padding:6px 12px;
  border-radius:999px;
  background:rgba(11,29,51,.75);
  border:1px solid var(--line-2);
  color:var(--gold-2);
  backdrop-filter:blur(6px);
}
.hero-figure img{
  width:100%;
  height:auto;
  aspect-ratio:4/5;
  object-fit:cover;
}
.hero-figure .caption{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:18px 20px;
  background:linear-gradient(180deg,transparent,rgba(8,22,40,.85));
  color:var(--ink-2);
  font-size:.92rem;
}
.hero-figure .caption b{
  display:block;
  color:var(--gold-2);
  font-size:1rem;
  margin-bottom:2px;
  letter-spacing:.05em;
}

.section{padding:64px 0;position:relative}
.section + .section{border-top:1px solid var(--line)}
.section-head{
  margin-bottom:30px;
  text-align:center;
  max-width:780px;
  margin-inline:auto;
}
.section-head .kicker{
  display:inline-block;
  font-size:.74rem;
  letter-spacing:.22em;
  color:var(--gold-2);
  text-transform:uppercase;
  margin-bottom:10px;
  padding:5px 14px;
  border:1px solid var(--line-2);
  border-radius:999px;
  background:rgba(198,155,58,.06);
}
.section-head h2{margin:.4em 0 .5em}
.section-head p{color:var(--ink-3);font-size:1rem;margin-bottom:0}

.story{
  max-width:860px;
  margin:0 auto;
  font-size:1.02rem;
  color:var(--ink-2);
}
.story .lede{
  font-size:1.12rem;
  color:var(--ink);
  border-left:3px solid var(--gold);
  padding:6px 0 6px 18px;
  margin-bottom:28px;
  background:linear-gradient(90deg,rgba(198,155,58,.08),transparent 60%);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
}

.story h3{
  position:relative;
  padding-left:18px;
  margin-top:1.6em;
}
.story h3::before{
  content:"";
  position:absolute;
  left:0;top:.55em;
  width:8px;height:8px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--gold),var(--accent));
  box-shadow:0 0 0 3px rgba(198,155,58,.18);
}

.fact-grid{
  list-style:none;
  padding:0;
  margin:32px 0 0;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(170px,1fr));
  gap:10px 14px;
}
.fact-grid li{
  display:flex;
  flex-direction:column;
  gap:6px;
  background:linear-gradient(180deg,rgba(255,255,255,.025),rgba(255,255,255,.01));
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:12px 14px;
}
.fact-grid .label{
  font-size:.72rem;
  letter-spacing:.16em;
  color:var(--ink-3);
  text-transform:uppercase;
}
.fact-grid .value{
  font-size:1rem;
  font-weight:600;
  color:var(--ink);
}

.feature-img{
  margin:42px auto 0;
  max-width:1080px;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line-2);
  box-shadow:var(--shadow);
  background:#0e2540;
}
.feature-img img{
  width:100%;
  height:auto;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform 1s var(--easing);
}
.feature-img:hover img{transform:scale(1.02)}

.chapter-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:20px;
  margin:42px 0 0;
}
.chapter-card{
  background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.015));
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:transform .3s var(--easing),border-color .3s var(--easing),box-shadow .3s var(--easing);
  display:flex;
  flex-direction:column;
}
.chapter-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-2);
  box-shadow:var(--shadow);
}
.chapter-card .cover{
  position:relative;
  overflow:hidden;
  aspect-ratio:4/3;
}
.chapter-card .cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 1.2s var(--easing);
}
.chapter-card:hover .cover img{transform:scale(1.06)}
.chapter-card .ep{
  position:absolute;
  bottom:10px;left:10px;
  font-size:.72rem;
  letter-spacing:.16em;
  padding:5px 10px;
  border-radius:999px;
  background:rgba(11,29,51,.78);
  border:1px solid var(--line-2);
  color:var(--gold-2);
  backdrop-filter:blur(8px);
}
.chapter-card .body{
  padding:18px 20px 22px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.chapter-card .body h3{margin:0;font-size:1.1rem;color:var(--ink)}
.chapter-card .body p{margin:0;color:var(--ink-3);font-size:.94rem;flex:1}
.chapter-card .more{
  align-self:flex-start;
  font-size:.85rem;
  color:var(--gold-2);
  letter-spacing:.05em;
  padding-top:4px;
}
.chapter-card .more::after{content:" →";transition:margin-left .25s var(--easing)}
.chapter-card:hover .more::after{margin-left:4px}

.gallery{
  column-count:3;
  column-gap:14px;
}
@media (max-width:900px){.gallery{column-count:2}}
@media (max-width:560px){.gallery{column-count:1}}
.gallery-item{
  display:block;
  position:relative;
  margin:0 0 14px;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  break-inside:avoid;
  transition:transform .35s var(--easing),border-color .35s var(--easing),box-shadow .35s var(--easing);
  background:#0e2540;
}
.gallery-item:hover{
  transform:translateY(-3px);
  border-color:var(--line-2);
  box-shadow:var(--shadow);
}
.gallery-item img{
  width:100%;
  height:auto;
  display:block;
  transition:transform 1.2s var(--easing);
}
.gallery-item:hover img{transform:scale(1.05)}
.gallery-item::after{
  content:attr(data-title);
  position:absolute;
  left:0;right:0;bottom:0;
  padding:14px 16px;
  background:linear-gradient(180deg,transparent,rgba(8,22,40,.86));
  color:var(--ink);
  font-size:.92rem;
  letter-spacing:.04em;
  opacity:0;
  transform:translateY(8px);
  transition:opacity .35s var(--easing),transform .35s var(--easing);
}
.gallery-item:hover::after{opacity:1;transform:translateY(0)}

.timeline{
  list-style:none;
  padding:0;
  margin:0 auto;
  max-width:880px;
  display:flex;
  flex-direction:column;
  gap:14px;
  counter-reset:tl;
}
.timeline-item{
  position:relative;
  padding:18px 22px 18px 64px;
  background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.015));
  border:1px solid var(--line);
  border-radius:var(--radius);
}
.timeline-item::before{
  counter-increment:tl;
  content:counter(tl,decimal-leading-zero);
  position:absolute;
  left:18px;top:18px;
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:50%;
  background:linear-gradient(135deg,var(--gold),var(--accent));
  color:#0b1d33;
  font-weight:800;
  font-size:.95rem;
  letter-spacing:.05em;
}
.timeline-item h4{
  margin:0 0 6px;
  color:var(--gold-2);
  font-size:1.04rem;
}
.timeline-item p{margin:0;color:var(--ink-3);font-size:.96rem}
.timeline-item:hover{border-color:var(--line-2)}

.faq{
  max-width:880px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.faq details{
  background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.01));
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:border-color .25s var(--easing);
}
.faq details[open]{border-color:var(--line-2)}
.faq summary{
  cursor:pointer;
  padding:16px 22px;
  font-weight:600;
  color:var(--ink);
  list-style:none;
  position:relative;
  transition:background .25s var(--easing),color .25s var(--easing);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";
  position:absolute;
  right:20px;top:50%;
  transform:translateY(-50%);
  font-size:1.4rem;
  font-weight:400;
  color:var(--gold-2);
  transition:transform .3s var(--easing);
}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq summary:hover{background:rgba(198,155,58,.05);color:var(--gold-2)}
.faq .answer{
  padding:0 22px 18px;
  color:var(--ink-2);
  border-top:1px dashed var(--line);
}
.faq .answer p{margin:14px 0 0}

.cta-band{
  margin:48px auto 0;
  max-width:880px;
  text-align:center;
  padding:38px 28px;
  border-radius:var(--radius-lg);
  background:
    radial-gradient(60% 100% at 50% 0%,rgba(198,155,58,.18),transparent 70%),
    linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01));
  border:1px solid var(--line-2);
  box-shadow:var(--shadow);
}
.cta-band h3{
  margin:0 0 10px;
  color:var(--ink);
  font-size:1.4rem;
}
.cta-band p{
  margin:0 0 22px;
  color:var(--ink-3);
  font-size:1rem;
}

.site-foot{
  margin-top:60px;
  padding:28px 0 36px;
  border-top:1px solid var(--line);
  background:rgba(8,22,40,.6);
}
.site-foot .inner{
  width:min(100% - 2rem,var(--max));
  margin-inline:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:14px;
  color:var(--ink-3);
  font-size:.9rem;
}
.site-foot .links{display:flex;flex-wrap:wrap;gap:6px 18px}
.site-foot .links a{color:var(--ink-3)}
.site-foot .links a:hover{color:var(--gold-2)}

.to-top{
  position:fixed;
  right:20px;bottom:20px;
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid var(--line-2);
  background:rgba(11,29,51,.85);
  color:var(--gold-2);
  font-size:1.1rem;
  cursor:pointer;
  opacity:0;
  pointer-events:none;
  transform:translateY(8px);
  transition:opacity .3s var(--easing),transform .3s var(--easing),background .25s var(--easing),color .25s var(--easing);
  backdrop-filter:blur(8px);
  z-index:90;
}
.to-top.show{
  opacity:1;
  pointer-events:auto;
  transform:translateY(0);
}
.to-top:hover{background:rgba(198,155,58,.16);color:var(--ink)}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .9s var(--easing),transform .9s var(--easing)}
.reveal.in{opacity:1;transform:none}

@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero{padding:48px 0 36px}
  .section{padding:48px 0}
}

@media (max-width:760px){
  body{font-size:15.5px}
  h1{font-size:clamp(1.6rem,5vw + .6rem,2.2rem)}
  h2{font-size:clamp(1.35rem,3vw + .6rem,1.75rem)}
  .nav-list{
    flex-direction:column;
    width:100%;
    max-height:0;
    overflow:hidden;
    transition:max-height .35s var(--easing);
    margin:0;
  }
  .nav-list.open{max-height:480px}
  .nav-toggle{display:inline-block;margin-left:auto}
  .site-top .inner{gap:10px}
  .hero{padding:36px 0 24px}
  .section{padding:40px 0}
  .chapter-grid{grid-template-columns:1fr}
  .cta-band{padding:30px 20px}
  .timeline-item{padding:18px 18px 18px 58px}
  .timeline-item::before{left:12px;top:18px;width:32px;height:32px;font-size:.85rem}
  .site-foot .inner{flex-direction:column;align-items:flex-start;gap:10px}
}

@media (max-width:420px){
  .hero-figure .badge{font-size:.66rem;padding:5px 9px}
  .hero-figure .caption{padding:12px 14px;font-size:.85rem}
  .btn{width:100%}
  .hero-cta{flex-direction:column;align-items:stretch}
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none}
  .feature-img img,.chapter-card .cover img,.gallery-item img{transform:none !important}
}

::selection{background:rgba(198,155,58,.42);color:#0b1d33}