:root{
  --bg:#f4f4f2;
  --bg2:#e6e6e3;
  --surface:#fff;
  --surface2:#f0f0ee;
  --border:rgba(17,17,17,.08);
  --border2:rgba(17,17,17,.16);
  --text:#111;
  --text2:rgba(17,17,17,.62);
  --text3:rgba(17,17,17,.38);
  --accent:#2f67a5;
  --accent-glow:rgba(47,103,165,.14);
  --copper:#6f92b8;
  --gold:#777;
  --blue:#6f8ead;
  --green:#666;
  --serif:'Playfair Display','Noto Serif SC',Georgia,serif;
  --sans:'DM Sans',-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;
  --mono:'JetBrains Mono','Courier New',monospace;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  min-height:100vh;
  overflow-x:hidden;
  background:
    radial-gradient(circle at 8% 5%,rgba(17,17,17,.045),transparent 32%),
    radial-gradient(circle at 88% 8%,rgba(47,103,165,.055),transparent 34%),
    linear-gradient(180deg,var(--bg),#eeeeeb 42%,var(--bg2));
  color:var(--text);
  font-family:var(--sans);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:9999;
  pointer-events:none;
  opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='256' height='256' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit}
::selection{background:var(--accent);color:#fff}
.container{width:min(1180px,calc(100% - 36px));margin:0 auto}
.nav{
  position:sticky;
  top:0;
  z-index:100;
  border-bottom:1px solid transparent;
  background:rgba(245,241,234,.86);
  backdrop-filter:blur(22px);
  -webkit-backdrop-filter:blur(22px);
  transition:.3s ease;
}
.nav.scrolled{
  border-bottom-color:var(--border);
  box-shadow:0 14px 40px rgba(10,10,10,.06);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:70px}
.nav-brand{display:inline-flex;align-items:center;gap:12px;font-weight:780;letter-spacing:0}
.nav-logo{
  width:36px;
  height:36px;
  display:grid;
  place-items:center;
  border-radius:50%;
  background:linear-gradient(135deg,#111,#4a4a4a);
  color:#fff;
  font-family:var(--serif);
  font-size:20px;
  box-shadow:0 10px 30px rgba(10,10,10,.18);
}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-links a{
  padding:8px 13px;
  border-radius:999px;
  color:var(--text2);
  font-size:14px;
  font-weight:720;
}
.nav-links a:hover{background:var(--surface);color:var(--accent)}
.nav-cta{background:#1f302d!important;color:#fff!important;box-shadow:0 10px 26px rgba(31,48,45,.14)}
.mobile-toggle{
  display:none;
  width:42px;
  height:42px;
  border:1px solid var(--border2);
  border-radius:50%;
  background:var(--surface);
  cursor:pointer;
}
.mobile-toggle span{
  display:block;
  width:18px;
  height:2px;
  margin:4px auto;
  border-radius:999px;
  background:var(--text);
}
.hero{
  position:relative;
  min-height:82vh;
  display:flex;
  align-items:center;
  overflow:hidden;
  padding:76px 0 56px;
}
.hero::after{
  content:"";
  position:absolute;
  inset:auto 0 0;
  height:34%;
  background:linear-gradient(180deg,transparent,var(--bg));
}
.hero-glow-1,.hero-glow-2{
  position:absolute;
  width:420px;
  height:420px;
  border-radius:50%;
  filter:blur(76px);
  opacity:.12;
  animation:float 8s ease-in-out infinite;
}
.hero-glow-1{left:4%;top:14%;background:#111}
.hero-glow-2{right:8%;bottom:16%;background:var(--blue);animation-delay:-3s}
@keyframes float{
  0%,100%{transform:translate3d(0,0,0)}
  50%{transform:translate3d(18px,-24px,0)}
}
.hero-content{position:relative;z-index:2}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:24px;
  padding:8px 14px;
  border:1px solid var(--border2);
  border-radius:999px;
  background:rgba(255,255,255,.7);
  color:var(--text2);
  font-size:12px;
  font-weight:820;
  letter-spacing:.06em;
  text-transform:uppercase;
}
.hero-badge-dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 6px var(--accent-glow);
  animation:pulseDot 1.8s ease-in-out infinite;
}
@keyframes pulseDot{
  0%,100%{transform:scale(1);opacity:1}
  50%{transform:scale(.72);opacity:.58}
}
.hero h1{
  max-width:900px;
  font-family:var(--serif);
  font-size:clamp(46px,7vw,94px);
  line-height:1.03;
  letter-spacing:-.035em;
  font-weight:900;
}
.hero h1 .line{display:block}
.accent-text{
  color:transparent;
  background:linear-gradient(105deg,#111,var(--accent) 54%,#6f6f6f);
  -webkit-background-clip:text;
  background-clip:text;
}
.hero-sub{
  max-width:760px;
  margin-top:26px;
  color:var(--text2);
  font-size:clamp(16px,1.7vw,20px);
  line-height:1.86;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 20px;
  border-radius:999px;
  border:1px solid var(--border2);
  cursor:pointer;
  font-size:14px;
  font-weight:820;
  transition:.22s ease;
}
.btn svg{width:18px;height:18px}
.btn-accent{border-color:#111;background:linear-gradient(135deg,#111,#2c5f96);color:#fff;box-shadow:0 18px 40px rgba(47,103,165,.18)}
.btn-accent:hover{transform:translateY(-3px);box-shadow:0 24px 52px rgba(47,103,165,.24)}
.btn-ghost{background:rgba(255,255,255,.62);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-3px)}
.hero-stats-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  max-width:820px;
  margin-top:46px;
  overflow:hidden;
  border:1px solid var(--border);
  border-radius:22px;
  background:var(--border);
  box-shadow:0 22px 56px rgba(32,43,41,.07);
}
.hero-stat{padding:19px 17px;background:rgba(255,250,242,.82)}
.hero-stat-num{font-family:var(--serif);font-size:30px;font-weight:900;color:var(--accent);line-height:1}
.hero-stat-label{margin-top:7px;color:var(--text2);font-size:12px;font-weight:780}
.marquee-section{
  overflow:hidden;
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  background:rgba(255,255,255,.56);
}
.marquee-track{display:flex;width:max-content;gap:10px;padding:13px 0;animation:marquee 34s linear infinite}
.marquee-item{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 13px;
  border:1px solid var(--border);
  border-radius:999px;
  background:rgba(255,255,255,.9);
  color:var(--text2);
  font-size:12px;
  font-weight:780;
  white-space:nowrap;
}
.marquee-item::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
@keyframes marquee{to{transform:translateX(-50%)}}
section{padding:92px 0}
.section-eyebrow{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
  color:var(--accent);
  font-family:var(--mono);
  font-size:12px;
  font-weight:800;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.section-eyebrow::before{content:"";width:28px;height:1px;background:var(--accent)}
.section-title{
  max-width:820px;
  font-family:var(--serif);
  font-size:clamp(36px,5vw,68px);
  line-height:1.12;
  letter-spacing:-.032em;
  font-weight:900;
}
.section-desc{
  max-width:720px;
  margin-top:18px;
  color:var(--text2);
  font-size:17px;
  line-height:1.88;
}
.section-divider{height:1px;margin:0 auto;width:min(1180px,calc(100% - 36px));background:linear-gradient(90deg,transparent,var(--border2),transparent)}
.story-section{background:linear-gradient(180deg,#f5efe6,var(--surface2))}
.story-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.72fr);gap:70px;align-items:start}
.story-quote{
  position:relative;
  font-family:var(--serif);
  font-size:clamp(34px,4.7vw,64px);
  line-height:1.18;
  letter-spacing:-.035em;
  font-weight:900;
}
.story-quote::before{
  content:"“";
  position:absolute;
  top:-44px;
  left:-20px;
  color:var(--accent);
  font-size:116px;
  opacity:.18;
}
.story-text{
  margin-top:34px;
  color:var(--text2);
  font-size:18px;
  line-height:2.05;
}
.story-text strong{color:var(--text);font-weight:900}
.story-right{display:grid;gap:18px;position:sticky;top:100px}
.story-evidence,.tl-thumb{
  position:relative;
  overflow:hidden;
  border:1px solid var(--border);
  border-radius:24px;
  background:var(--surface);
  box-shadow:0 18px 50px rgba(10,10,10,.08);
  cursor:pointer;
}
.story-evidence img,.tl-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .55s ease;
}
.story-evidence:hover img,.tl-thumb:hover img{transform:scale(1.04)}
.evidence-badge,.tl-thumb-label{
  position:absolute;
  left:14px;
  bottom:14px;
  max-width:calc(100% - 28px);
  padding:7px 11px;
  border-radius:999px;
  background:rgba(31,48,45,.78);
  color:#fff;
  font-size:11px;
  font-weight:820;
  backdrop-filter:blur(12px);
}
.pillars-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:42px}
.pillar{
  position:relative;
  overflow:hidden;
  min-height:280px;
  padding:30px;
  border:1px solid var(--border);
  border-radius:28px;
  background:linear-gradient(180deg,rgba(255,250,242,.96),rgba(255,246,235,.86));
  box-shadow:0 18px 45px rgba(48,37,26,.06);
}
.pillar::before{
  content:"";
  position:absolute;
  inset:auto -20% -40% -20%;
  height:48%;
  background:radial-gradient(circle,var(--accent-glow),transparent 62%);
}
.pillar-num{position:relative;color:var(--accent);font-family:var(--mono);font-size:13px;font-weight:900}
.pillar h3{position:relative;margin-top:28px;font-size:24px;font-weight:900}
.pillar p{position:relative;margin-top:14px;color:var(--text2);font-size:15px;line-height:1.85}
.timeline-section{
  position:relative;
  background:
    radial-gradient(circle at 82% 4%,rgba(47,103,165,.065),transparent 30%),
    linear-gradient(180deg,var(--surface2),#e8e8e5);
}
.timeline-wrapper{position:relative;margin-top:48px}
.timeline-line,.timeline-progress{
  position:absolute;
  top:0;
  bottom:0;
  left:185px;
  width:1px;
  background:rgba(17,17,17,.14);
}
.timeline-progress{height:0;background:linear-gradient(var(--accent),var(--copper));transition:height .2s ease}
.tl-block{
  position:relative;
  display:grid;
  grid-template-columns:150px 1fr;
  gap:62px;
  padding:0 0 68px;
}
.tl-block:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;
  top:10px;
  left:176px;
  width:19px;
  height:19px;
  border:4px solid var(--surface2);
  border-radius:50%;
  background:var(--text3);
  box-shadow:0 0 0 1px var(--border2);
}
.tl-block.active .tl-dot{background:var(--accent);box-shadow:0 0 0 8px var(--accent-glow)}
.tl-year{text-align:right}
.tl-year-num{font-family:var(--serif);font-size:36px;font-weight:900;line-height:1;color:var(--accent);opacity:.82}
.tl-block.active .tl-year-num{color:var(--accent);opacity:1}
.tl-year-label{margin-top:8px;color:var(--text3);font-size:12px;font-weight:860;letter-spacing:.03em}
.tl-block.active .tl-year-label{color:rgba(47,103,165,.7)}
.tl-body{
  position:relative;
  overflow:hidden;
  border:1px solid rgba(17,17,17,.1);
  border-radius:26px;
  padding:30px;
  background:linear-gradient(180deg,rgba(255,255,255,.92),rgba(247,247,245,.78));
  box-shadow:0 18px 52px rgba(17,17,17,.06);
  backdrop-filter:blur(8px);
}
.tl-body::before{
  content:"";
  position:absolute;
  inset:0 0 auto;
  height:3px;
  background:linear-gradient(90deg,var(--accent),transparent 64%);
  opacity:.38;
}
.tl-body h3{font-family:var(--serif);font-size:clamp(25px,2.8vw,39px);line-height:1.22;letter-spacing:-.024em}
.tl-body>p{max-width:780px;margin-top:14px;color:var(--text2);font-size:16px;line-height:1.86}
.tl-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:24px}
.tl-thumb{
  aspect-ratio:4/3;
  border-radius:18px;
  border:1px solid rgba(17,17,17,.08);
  box-shadow:0 14px 30px rgba(17,17,17,.08);
}
footer{
  padding:42px 0 104px;
  border-top:1px solid var(--border);
  background:linear-gradient(180deg,rgba(255,250,242,.5),rgba(236,227,213,.76));
}
.footer-inner{display:flex;justify-content:space-between;gap:18px;color:var(--text3);font-size:13px}
footer em{color:var(--text);font-style:normal;font-weight:900}
.lightbox{
  position:fixed;
  inset:0;
  z-index:500;
  display:none;
  align-items:center;
  justify-content:center;
  padding:24px;
  background:rgba(10,10,10,.88);
}
.lightbox.active{display:flex}
.lightbox img{max-width:min(1100px,96vw);max-height:88vh;border-radius:18px;box-shadow:0 22px 80px rgba(0,0,0,.55)}
.lightbox-close{
  position:absolute;
  top:22px;
  right:22px;
  width:44px;
  height:44px;
  border:1px solid rgba(255,255,255,.24);
  border-radius:50%;
  background:rgba(255,255,255,.08);
  color:#fff;
  cursor:pointer;
}
.sticky-home{
  display:none;
  position:fixed;
  left:50%;
  bottom:calc(14px + env(safe-area-inset-bottom));
  z-index:130;
  transform:translateX(-50%);
  width:min(320px,calc(100vw - 44px));
  min-height:46px;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  background:linear-gradient(135deg,#111,#2c5f96);
  color:#fff;
  box-shadow:0 18px 42px rgba(47,103,165,.22);
  font-size:15px;
  font-weight:860;
}
.reveal{opacity:0;transform:translateY(28px);transition:.75s cubic-bezier(.2,.8,.2,1)}
.reveal.vis{opacity:1;transform:none}
.reveal-d1{transition-delay:.12s}
.reveal-d2{transition-delay:.2s}
.reveal-d3{transition-delay:.28s}
@media(max-width:1024px){
  .hero{min-height:auto;padding-top:64px}
  .pillars-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .story-layout{grid-template-columns:1fr}
  .story-right{position:static}
  .timeline-line,.timeline-progress{left:20px}
  .tl-block{grid-template-columns:1fr;gap:18px;padding-left:56px}
  .tl-dot{left:11px}
  .tl-year{text-align:left}
}
@media(max-width:720px){
  body{padding-bottom:78px}
  .container{width:min(100% - 32px,1180px)}
  .nav-inner{height:64px}
  .nav-brand{font-size:15px}
  .nav-logo{width:32px;height:32px}
  .mobile-toggle{display:block}
  .nav-links{
    position:fixed;
    top:64px;
    left:15px;
    right:15px;
    display:none;
    flex-direction:column;
    align-items:stretch;
    padding:14px;
    border:1px solid var(--border);
    border-radius:22px;
    background:rgba(255,250,242,.94);
    box-shadow:0 24px 70px rgba(32,43,41,.14);
  }
  .nav-links.open{display:flex}
  .nav-links a{min-height:42px}
  .hero{padding:48px 0 40px}
  .hero-badge{max-width:100%;font-size:11px;line-height:1.5;white-space:normal}
  .hero h1{font-size:clamp(37px,12.2vw,54px);line-height:1.08;letter-spacing:-.028em}
  .hero-sub{margin-top:20px;font-size:15.5px;line-height:1.78}
  .hero-actions{display:grid}
  .btn{width:100%;min-height:46px;font-size:14px}
  .marquee-track{padding:11px 0}
  .marquee-item{font-size:11px;padding:5px 11px}
  section{padding:62px 0}
  .section-title{font-size:clamp(31px,9.4vw,44px);line-height:1.16}
  .section-desc,.story-text,.tl-body>p{font-size:15px;line-height:1.78}
  .story-quote{font-size:clamp(31px,10vw,46px)}
  .pillars-grid{grid-template-columns:1fr}
  .pillar{min-height:auto;padding:24px}
  .tl-block{padding-left:38px;padding-bottom:52px}
  .tl-year-num{font-size:30px}
  .tl-year-label{font-size:11px}
  .tl-body{padding:22px;border-radius:22px}
  .tl-body h3{font-size:clamp(23px,7.2vw,31px);line-height:1.25}
  .tl-gallery{grid-template-columns:1fr;gap:12px}
  .tl-thumb{aspect-ratio:16/10}
  .sticky-home{display:flex}
}