:root{
  --ink:#10262B;
  --ink-deep:#0A1A1E;
  --vermilion:#B23A2E;
  --vermilion-deep:#8E2A21;
  --gold:#C9A24B;
  --gold-light:#E6C87E;
  --gold-ink:#7A5718;
  --paper:#F6EFDF;
  --paper-white:#FBF7EE;
  --patina:#4E7A69;
  --brown:#8A6A46;
  --charcoal:#2A2A28;
  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC",STKaiti,KaiTi,"SimSun",serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --font-num:Georgia,"Noto Serif SC","Times New Roman",serif;
  --wrap:1320px;
  --gutter:clamp(18px,4vw,52px);
  --header-h:96px;
  --line:rgba(201,162,75,.38);
  --line-soft:rgba(201,162,75,.18);
  --rule-brown:rgba(138,106,70,.3);
  --shadow-panel:0 26px 60px -46px rgba(10,26,30,.7);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-block-start:calc(var(--header-h) + 18px);
}
body{
  margin:0;
  background:var(--paper);
  color:var(--charcoal);
  font-family:var(--font-body);
  font-size:16px;
  font-weight:400;
  line-height:1.7;
  overflow-x:clip;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,h5,p,figure,dl,dd{margin:0}
h1,h2,h3,h4,h5{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.24;
  letter-spacing:.04em;
  color:var(--ink-deep);
}
p{line-height:1.85}
strong{font-weight:700;color:var(--ink)}
:focus-visible{outline:2px solid var(--vermilion);outline-offset:3px}
.site-header :focus-visible,
.site-footer :focus-visible{outline:2px solid var(--gold-light);outline-offset:3px}
.sr-only{
  position:absolute;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;
}

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;
  top:10px;left:50%;
  z-index:900;
  transform:translate(-50%,-180%);
  padding:10px 22px;
  background:var(--gold);
  color:var(--ink-deep);
  font-size:13px;
  letter-spacing:.14em;
  border:1px solid var(--gold-light);
  transition:transform .22s var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible{transform:translate(-50%,0)}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:200;
  background:rgba(10,26,30,.76);
  -webkit-backdrop-filter:saturate(140%) blur(12px);
  backdrop-filter:saturate(140%) blur(12px);
  border-block-end:1px solid rgba(201,162,75,.22);
  transition:background-color .42s var(--ease),border-color .42s var(--ease),box-shadow .42s var(--ease);
}
.site-header.is-solid{
  background:var(--ink);
  border-block-end-color:rgba(201,162,75,.5);
  box-shadow:0 22px 44px -34px rgba(0,0,0,.95);
}
.header-inner{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:var(--gutter);
  min-height:var(--header-h);
  display:flex;
  align-items:center;
  gap:clamp(14px,2.2vw,38px);
}
.header-edge{
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(201,162,75,.55) 16%,rgba(230,200,126,.95) 50%,rgba(201,162,75,.55) 84%,transparent);
  opacity:.75;
}
.scroll-progress{
  position:absolute;
  inset-inline-start:0;
  inset-block-end:0;
  height:2px;
  width:0%;
  background:linear-gradient(90deg,var(--vermilion),var(--gold),var(--gold-light));
  transition:width .12s linear;
}

/* brand */
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
  color:var(--paper-white);
}
.brand-seal{
  width:42px;height:42px;
  flex:none;
  display:grid;
  place-items:center;
  background:var(--vermilion);
  color:#F8E9C9;
  font-family:var(--font-display);
  font-size:20px;
  font-weight:800;
  line-height:1;
  letter-spacing:0;
  border:1px solid rgba(230,200,126,.7);
  box-shadow:inset 0 0 0 3px rgba(10,26,30,.28);
  transform:rotate(-2deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.16}
.brand-name{
  font-family:var(--font-display);
  font-size:20px;
  font-weight:800;
  letter-spacing:.08em;
  color:var(--paper-white);
}
.brand-sub{
  font-size:10.5px;
  letter-spacing:.2em;
  color:var(--gold);
}

/* nav */
.site-nav{margin-inline:auto}
.nav-scale{
  display:flex;
  align-items:center;
  gap:clamp(4px,1.3vw,20px);
  position:relative;
}
@media (min-width:901px){
  .nav-scale::before{
    content:"";
    position:absolute;
    inset-inline:0;
    inset-block-end:-1px;
    height:1px;
    background:repeating-linear-gradient(90deg,rgba(201,162,75,.42) 0 1px,transparent 1px 15px);
  }
}
.nav-item{position:relative}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  padding:8px 2px 11px;
  font-size:15px;
  letter-spacing:.04em;
  color:rgba(246,239,223,.8);
  transition:color .25s var(--ease);
}
.nav-num{
  font-family:var(--font-num);
  font-size:10px;
  letter-spacing:.14em;
  color:var(--gold);
  opacity:.85;
  font-variant-numeric:tabular-nums;
}
.nav-link::after{
  content:"";
  position:absolute;
  inset-inline:0;
  inset-block-end:3px;
  height:1px;
  background:linear-gradient(90deg,var(--gold),var(--gold-light));
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .32s var(--ease);
}
.nav-link:hover{color:var(--paper-white)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{color:var(--gold-light)}
.nav-link[aria-current="page"]::after{
  transform:scaleX(1);
  height:2px;
  background:linear-gradient(90deg,var(--gold-light),var(--vermilion));
}
.nav-link[aria-current="page"]::before{
  content:"";
  position:absolute;
  inset-inline-start:50%;
  inset-block-start:-6px;
  width:5px;height:5px;
  background:var(--vermilion);
  transform:translateX(-50%) rotate(45deg);
}
.nav-link[aria-current="page"] .nav-num{color:var(--gold-light);opacity:1}

/* header tools */
.header-tools{
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
}
.header-find{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:8px 15px;
  font-size:13px;
  letter-spacing:.12em;
  color:var(--gold-light);
  border:1px solid rgba(201,162,75,.5);
  transition:background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.header-find::before{
  content:"";
  width:9px;height:9px;
  border:1.5px solid currentColor;
  border-radius:50%;
  flex:none;
  transform:translateY(-1px);
}
.header-find:hover,
.header-find:focus-visible{
  background:var(--gold);
  color:var(--ink-deep);
  border-color:var(--gold);
}
.year-rail{display:flex;align-items:center;gap:1px}
.year-chip{
  display:block;
  padding:5px 5px;
  font-family:var(--font-num);
  font-size:11px;
  letter-spacing:.04em;
  color:rgba(230,200,126,.7);
  border-block-end:1px solid transparent;
  font-variant-numeric:tabular-nums;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.year-chip:hover,
.year-chip:focus-visible{color:var(--gold-light);border-block-end-color:var(--gold)}

/* nav toggle */
.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  padding:9px 13px;
  font-size:12.5px;
  letter-spacing:.16em;
  color:var(--gold-light);
  border:1px solid rgba(201,162,75,.45);
  flex:0 0 auto;
}
.nav-toggle-icon{
  position:relative;
  display:block;
  width:18px;height:12px;
}
.nav-toggle-icon::before,
.nav-toggle-icon::after{
  content:"";
  position:absolute;
  inset-inline:0;
  height:1.5px;
  background:currentColor;
  transition:transform .3s var(--ease);
}
.nav-toggle-icon::before{inset-block-start:0}
.nav-toggle-icon::after{inset-block-end:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before{transform:translateY(5.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after{transform:translateY(-5.5px) rotate(-45deg)}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink-deep);
  color:rgba(246,239,223,.78);
  border-block-start:2px solid var(--gold);
  margin-block-start:clamp(46px,7vw,92px);
}
.footer-inner{
  max-width:var(--wrap);
  margin-inline:auto;
  padding:clamp(38px,5.5vw,70px) var(--gutter) 26px;
}
.footer-masthead{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px 28px;
  padding-block-end:20px;
  border-block-end:1px solid var(--line-soft);
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  color:var(--paper-white);
}
.footer-brand .brand-seal{width:38px;height:38px;font-size:18px}
.footer-tagline{
  font-size:12.5px;
  letter-spacing:.2em;
  color:var(--gold);
  line-height:1.7;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr 1fr 1.35fr;
  gap:clamp(24px,4vw,58px);
  padding-block:clamp(26px,4vw,44px);
}
.footer-col-title{
  font-family:var(--font-display);
  font-size:14px;
  font-weight:800;
  letter-spacing:.14em;
  color:var(--gold-light);
  padding-block-end:10px;
  margin-block-end:14px;
  border-block-end:1px solid var(--line-soft);
}
.footer-list{display:grid;gap:9px}
.footer-link{
  display:inline-flex;
  align-items:baseline;
  gap:10px;
  font-size:14px;
  letter-spacing:.04em;
  color:rgba(246,239,223,.74);
  transition:color .22s var(--ease);
}
.footer-link::before{
  content:"";
  width:14px;height:1px;
  flex:none;
  background:rgba(201,162,75,.55);
  transform:translateY(-4px);
}
.footer-link:hover,
.footer-link:focus-visible{color:var(--gold-light)}
.footer-meta{display:grid;gap:10px}
.footer-meta li{
  display:grid;
  grid-template-columns:66px minmax(0,1fr);
  gap:10px;
  align-items:baseline;
  font-size:13.5px;
  line-height:1.65;
}
.meta-key{
  color:var(--gold);
  font-size:11.5px;
  letter-spacing:.14em;
  white-space:nowrap;
}
.meta-val{
  color:rgba(246,239,223,.82);
  word-break:break-word;
}
.footer-years{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px 22px;
  padding-block:16px;
  border-block-start:1px solid var(--line-soft);
  border-block-end:1px solid var(--line-soft);
}
.footer-years-label{
  font-size:11.5px;
  letter-spacing:.22em;
  color:var(--gold);
}
.footer-year-list{display:flex;flex-wrap:wrap;gap:2px}
.footer-year{
  display:block;
  padding:4px 9px;
  font-family:var(--font-num);
  font-size:12.5px;
  letter-spacing:.05em;
  color:rgba(230,200,126,.72);
  border:1px solid rgba(201,162,75,.24);
  font-variant-numeric:tabular-nums;
  transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);
}
.footer-year:hover,
.footer-year:focus-visible{
  color:var(--ink-deep);
  background:var(--gold);
  border-color:var(--gold);
}
.footer-legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 22px;
  padding-block-start:18px;
  font-size:12.5px;
  letter-spacing:.06em;
  color:rgba(246,239,223,.52);
}
.footer-legal-text{color:var(--gold)}
.footer-copy{margin-inline-start:auto}

/* ---------- shared primitives ---------- */
.container{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.container--narrow{max-width:880px}
.section{padding-block:clamp(40px,6vw,84px)}
.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.grid--split{grid-template-columns:minmax(0,1.9fr) minmax(0,1fr)}
.grid--auto{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
.panel{
  background:var(--paper-white);
  border:1px solid var(--rule-brown);
  padding:clamp(20px,3vw,36px);
  box-shadow:var(--shadow-panel);
}
.panel--ink{
  background:var(--ink);
  color:rgba(246,239,223,.86);
  border-color:rgba(201,162,75,.4);
}
.panel--ink h1,.panel--ink h2,.panel--ink h3,.panel--ink h4{color:var(--paper-white)}
.panel--paper{
  background:var(--paper);
  border-color:var(--line);
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.26em;
  color:var(--gold-ink);
  text-transform:uppercase;
}
.kicker::before{content:"";width:26px;height:1px;background:currentColor;flex:none}
.year-figure{
  font-family:var(--font-num);
  font-weight:700;
  font-size:clamp(54px,9vw,118px);
  line-height:.88;
  letter-spacing:-.02em;
  color:var(--vermilion);
  font-variant-numeric:tabular-nums;
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:13px 26px;
  font-size:14px;
  font-weight:600;
  letter-spacing:.12em;
  line-height:1.2;
  border:1px solid transparent;
  transition:background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.btn::after{content:"›";font-size:15px;line-height:1;transform:translateY(-1px)}
.btn--primary{background:var(--vermilion);color:var(--paper-white);border-color:var(--vermilion-deep)}
.btn--primary:hover,.btn--primary:focus-visible{background:var(--vermilion-deep);border-color:var(--vermilion-deep)}
.btn--ghost{background:transparent;color:var(--gold-ink);border-color:rgba(201,162,75,.6)}
.btn--ghost:hover,.btn--ghost:focus-visible{background:rgba(201,162,75,.16);border-color:var(--gold)}
.btn--ink{background:var(--ink);color:var(--gold-light);border-color:rgba(201,162,75,.5)}
.btn--ink:hover,.btn--ink:focus-visible{background:var(--ink-deep);color:var(--gold-light)}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:12.5px;
  letter-spacing:.06em;
  color:var(--brown);
}
.breadcrumb li{display:inline-flex;align-items:center;gap:10px}
.breadcrumb li + li::before{content:"";width:12px;height:1px;background:var(--gold);flex:none}
.breadcrumb a{border-block-end:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.breadcrumb a:hover,.breadcrumb a:focus-visible{color:var(--vermilion-deep);border-block-end-color:var(--gold)}

/* image frame */
.media-frame{
  position:relative;
  overflow:hidden;
  aspect-ratio:4 / 3;
  background:linear-gradient(140deg,#F2E9D6 0%,#E7DBC2 55%,#DFD0B4 100%);
  border:1px solid var(--rule-brown);
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    repeating-linear-gradient(0deg,rgba(138,106,70,.055) 0 1px,transparent 1px 3px),
    repeating-linear-gradient(90deg,rgba(138,106,70,.045) 0 1px,transparent 1px 4px);
  opacity:.75;
}
.media-frame > img{
  width:100%;height:100%;
  object-fit:cover;
  filter:saturate(.92) contrast(1.03);
}
.media-frame--portrait{aspect-ratio:3 / 4}
.media-frame--square{aspect-ratio:1 / 1}
.media-frame--wide{aspect-ratio:16 / 9}

/* reveal protocol */
.js-reveal [data-reveal]{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .62s var(--ease),transform .62s var(--ease);
  transition-delay:calc(var(--d,0) * 70ms);
}
.js-reveal [data-reveal].is-revealed{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  :root{--header-h:88px}
  .year-rail{display:none}
}
@media (max-width:900px){
  :root{--header-h:72px}
  .header-inner{justify-content:space-between;gap:12px}
  .nav-toggle{display:inline-flex}
  .header-tools{display:none}
  .site-nav{
    position:fixed;
    inset-block-start:var(--header-h);
    inset-inline:0;
    z-index:190;
    margin:0;
    background:var(--ink);
    border-block-end:1px solid rgba(201,162,75,.45);
    box-shadow:0 26px 44px -30px rgba(0,0,0,.9);
    padding:8px var(--gutter) 26px;
    max-height:calc(100vh - var(--header-h));
    overflow-y:auto;
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transform:translateY(-12px);
    transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s var(--ease);
  }
  .site-nav[data-open="true"]{
    opacity:1;
    visibility:visible;
    pointer-events:auto;
    transform:none;
  }
  .nav-scale{flex-direction:column;align-items:stretch;gap:0}
  .nav-item + .nav-item{border-block-start:1px solid var(--line-soft)}
  .nav-link{
    display:flex;
    justify-content:flex-start;
    padding:14px 4px;
    font-size:16px;
    color:rgba(246,239,223,.86);
  }
  .nav-link::after{display:none}
  .nav-link[aria-current="page"]{
    color:var(--gold-light);
    box-shadow:inset 3px 0 0 var(--vermilion);
    padding-inline-start:12px;
  }
  .nav-link[aria-current="page"]::before{display:none}
  .nav-num{font-size:11px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-grid > .footer-col:last-child{grid-column:1 / -1}
  .grid--split{grid-template-columns:minmax(0,1fr)}
  .grid--12{grid-template-columns:repeat(6,minmax(0,1fr))}
}
@media (max-width:600px){
  :root{--header-h:64px}
  .brand-seal{width:34px;height:34px;font-size:17px}
  .brand-name{font-size:17px;letter-spacing:.06em}
  .brand-sub{display:none}
  .nav-toggle{padding:8px 11px;letter-spacing:.12em}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .footer-grid > .footer-col:last-child{grid-column:auto}
  .footer-copy{margin-inline-start:0}
  .footer-tagline{letter-spacing:.14em}
  .grid--12{grid-template-columns:repeat(2,minmax(0,1fr))}
  .btn{padding:12px 20px;font-size:13px}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .js-reveal [data-reveal]{opacity:1 !important;transform:none !important}
  .scroll-progress{transition:none !important}
}