:root{
  --gb-cream:#F6EEDF;
  --gb-ink:#241A17;
  --gb-lake:#2F6E8E;
  --gb-lake-deep:#22546D;
  --gb-dusk:#5B4A72;
  --gb-gold:#C28B3C;
  --gb-ember:#D95D39;
  --gb-pine:#3F7A63;
  --gb-white:#FFF9EE;
  --gb-rose:#A85C6B;
  --gb-mist:#A9BCC4;
  --gb-line:#D8CCB8;

  --gb-bw:2px;
  --gb-shadow:6px 6px 0 var(--gb-ink);
  --gb-shadow-sm:3px 3px 0 var(--gb-ink);
  --gb-maxw:1320px;
  --gb-pad:clamp(16px,3vw,40px);

  --gb-font-head:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --gb-font-body:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --gb-font-mono:ui-monospace,SFMono-Regular,"Cascadia Mono",Menlo,Consolas,"Courier New",monospace;

  --gb-t:180ms;
  --gb-ease:cubic-bezier(.4,.15,.2,1);
}

*,*::before,*::after{box-sizing:border-box;}
[hidden]{display:none !important;}

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

body{
  margin:0;
  background-color:var(--gb-cream);
  background-image:
    repeating-linear-gradient(0deg,rgba(36,26,23,.035) 0 1px,transparent 1px 30px),
    repeating-linear-gradient(90deg,rgba(36,26,23,.025) 0 1px,transparent 1px 30px);
  color:var(--gb-ink);
  font-family:var(--gb-font-body);
  font-size:clamp(16px,.55vw + 14.4px,18px);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

h1,h2,h3,h4,h5,h6{
  margin:0 0 .5em;
  font-family:var(--gb-font-head);
  font-weight:800;
  line-height:1.12;
  letter-spacing:.02em;
}
h1{font-size:clamp(2.2rem,5vw,4.8rem);}
h2{font-size:clamp(1.6rem,3vw,2.4rem);}
h3{font-size:clamp(1.15rem,1.8vw,1.4rem);}
p{margin:0 0 1em;}
img{max-width:100%;height:auto;}
a{color:var(--gb-lake);}

:focus-visible{
  outline:3px solid var(--gb-ember);
  outline-offset:3px;
}

/* ============ SKIP LINK ============ */
.gb-skip{
  position:absolute;
  left:-9999px;
  top:0;
  z-index:300;
  padding:12px 20px;
  background:var(--gb-ink);
  color:var(--gb-white);
  font-weight:700;
  font-size:.9rem;
  text-decoration:none;
  border:var(--gb-bw) solid var(--gb-white);
}
.gb-skip:focus{
  left:12px;
  top:12px;
}

/* ============ HEADER ============ */
.gb-header{
  position:sticky;
  top:0;
  z-index:100;
  background:var(--gb-cream);
  border-bottom:var(--gb-bw) solid var(--gb-ink);
  color:var(--gb-ink);
}
.gb-header::before{
  content:"";
  display:block;
  height:5px;
  background:linear-gradient(90deg,
    var(--gb-lake) 0 20%,
    var(--gb-pine) 20% 38%,
    var(--gb-gold) 38% 58%,
    var(--gb-rose) 58% 76%,
    var(--gb-dusk) 76% 100%);
}
.gb-header__inner{
  max-width:var(--gb-maxw);
  margin:0 auto;
  display:grid;
  grid-template-columns:minmax(0,32fr) minmax(0,68fr);
  align-items:stretch;
}

.gb-brand{
  display:flex;
  flex-wrap:wrap;
  align-content:center;
  gap:6px 16px;
  min-width:0;
  padding:12px var(--gb-pad);
  background:var(--gb-white);
  border-right:var(--gb-bw) solid var(--gb-ink);
}
.gb-brand__link{
  display:inline-flex;
  align-items:center;
  gap:11px;
  min-width:0;
  color:inherit;
  text-decoration:none;
}
.gb-brand__mark{
  display:grid;
  place-items:center;
  flex:none;
  width:36px;
  height:36px;
  background:var(--gb-lake);
  color:var(--gb-white);
  border:var(--gb-bw) solid var(--gb-ink);
  box-shadow:var(--gb-shadow-sm);
  font-family:var(--gb-font-head);
  font-weight:800;
  font-size:1.02rem;
  line-height:1;
  transform:rotate(-3deg);
  transition:transform var(--gb-t) var(--gb-ease),background-color var(--gb-t) var(--gb-ease);
}
.gb-brand__link:hover .gb-brand__mark{
  background:var(--gb-dusk);
  transform:rotate(0deg);
}
.gb-brand__text{
  display:flex;
  flex-direction:column;
  gap:1px;
  min-width:0;
  line-height:1.15;
}
.gb-brand__name{
  font-family:var(--gb-font-head);
  font-weight:800;
  font-size:clamp(1.02rem,1.5vw,1.3rem);
  letter-spacing:.02em;
  white-space:nowrap;
}
.gb-brand__meta{
  font-family:var(--gb-font-mono);
  font-size:.66rem;
  letter-spacing:.04em;
  opacity:.6;
  white-space:nowrap;
}
.gb-brand__note{
  flex-basis:100%;
  margin:0;
  padding-top:6px;
  border-top:1px dashed var(--gb-mist);
  font-size:.72rem;
  letter-spacing:.02em;
  line-height:1.5;
  opacity:.66;
}

.gb-navbtn{
  display:none;
  align-items:center;
  gap:9px;
  margin:10px var(--gb-pad) 10px 0;
  padding:9px 15px;
  font:inherit;
  font-weight:700;
  font-size:.88rem;
  color:var(--gb-ink);
  background:var(--gb-white);
  border:var(--gb-bw) solid var(--gb-ink);
  box-shadow:var(--gb-shadow-sm);
  cursor:pointer;
  transition:transform var(--gb-t) var(--gb-ease),
             box-shadow var(--gb-t) var(--gb-ease),
             background-color var(--gb-t) var(--gb-ease),
             color var(--gb-t) var(--gb-ease);
}
.gb-navbtn:hover{
  transform:translate(-1px,-1px);
  box-shadow:5px 5px 0 var(--gb-ink);
}
.gb-navbtn:active{
  transform:translate(2px,2px);
  box-shadow:1px 1px 0 var(--gb-ink);
}
.gb-navbtn[aria-expanded="true"]{
  background:var(--gb-ink);
  color:var(--gb-white);
}
.gb-navbtn__bars{
  display:inline-flex;
  flex-direction:column;
  gap:3px;
  width:18px;
}
.gb-navbtn__bars i{
  display:block;
  height:2px;
  background:currentColor;
}
.gb-navbtn__label{
  letter-spacing:.14em;
}

.gb-nav{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  min-width:0;
  padding:0 var(--gb-pad);
}
.gb-nav__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:flex-end;
  gap:2px;
  margin:0;
  padding:0;
  list-style:none;
}
.gb-nav__item{display:block;}
.gb-nav__link{
  display:inline-flex;
  align-items:center;
  padding:12px 11px;
  font-family:var(--gb-font-head);
  font-size:.94rem;
  font-weight:700;
  color:var(--gb-ink);
  text-decoration:none;
  white-space:nowrap;
  border-bottom:3px solid transparent;
  transition:color var(--gb-t) var(--gb-ease),
             background-color var(--gb-t) var(--gb-ease),
             border-color var(--gb-t) var(--gb-ease);
}
.gb-nav__link::before{
  content:"";
  display:inline-block;
  width:8px;
  height:2px;
  margin-right:7px;
  background:var(--gb-mist);
  transition:width var(--gb-t) var(--gb-ease),background-color var(--gb-t) var(--gb-ease);
}
.gb-nav__link:hover{
  color:var(--gb-lake);
  border-bottom-color:var(--gb-gold);
}
.gb-nav__link:hover::before{
  width:15px;
  background:var(--gb-ember);
}
.gb-nav__link[aria-current="page"]{
  background:var(--gb-ink);
  color:var(--gb-white);
  border-bottom-color:var(--gb-ember);
}
.gb-nav__link[aria-current="page"]::before{
  width:15px;
  background:var(--gb-gold);
}

.gb-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:3px;
  background:rgba(36,26,23,.14);
  pointer-events:none;
}
.gb-progress__bar{
  display:block;
  width:100%;
  height:100%;
  background:linear-gradient(90deg,var(--gb-gold),var(--gb-ember));
  transform:scaleX(0);
  transform-origin:0 50%;
  will-change:transform;
}

/* ============ FOOTER ============ */
.gb-footer{
  position:relative;
  margin-top:clamp(48px,8vw,96px);
  background:var(--gb-ink);
  color:var(--gb-cream);
}
.gb-footer::before{
  content:"";
  display:block;
  height:5px;
  background:linear-gradient(90deg,
    var(--gb-dusk) 0 20%,
    var(--gb-rose) 20% 40%,
    var(--gb-gold) 40% 60%,
    var(--gb-pine) 60% 80%,
    var(--gb-lake) 80% 100%);
}
.gb-footer__inner{
  max-width:var(--gb-maxw);
  margin:0 auto;
  padding:clamp(34px,5vw,64px) var(--gb-pad) clamp(24px,3vw,36px);
  display:grid;
  grid-template-columns:minmax(0,32fr) minmax(0,38fr) minmax(0,30fr);
  gap:clamp(26px,3.5vw,56px);
}

.gb-footer__brand{
  display:flex;
  flex-direction:column;
  gap:14px;
  min-width:0;
}
.gb-footer__name{
  margin:0;
  font-family:var(--gb-font-head);
  font-weight:800;
  font-size:clamp(1.35rem,2.4vw,1.85rem);
  line-height:1.15;
  letter-spacing:.02em;
  color:var(--gb-white);
}
.gb-footer__tag{
  margin:0;
  max-width:26ch;
  font-size:.85rem;
  line-height:1.75;
  color:var(--gb-mist);
}
.gb-footer__cta{
  align-self:flex-start;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 17px;
  font-family:var(--gb-font-head);
  font-weight:700;
  font-size:.9rem;
  color:var(--gb-ink);
  background:var(--gb-gold);
  text-decoration:none;
  border:var(--gb-bw) solid var(--gb-white);
  box-shadow:4px 4px 0 rgba(255,249,238,.28);
  transition:transform var(--gb-t) var(--gb-ease),
             box-shadow var(--gb-t) var(--gb-ease),
             background-color var(--gb-t) var(--gb-ease);
}
.gb-footer__cta::after{
  content:"→";
  font-family:var(--gb-font-mono);
}
.gb-footer__cta:hover{
  background:var(--gb-white);
  transform:translate(-2px,-2px);
  box-shadow:6px 6px 0 rgba(255,249,238,.34);
}

.gb-footer__col{min-width:0;}
.gb-footer__contact{
  display:flex;
  flex-direction:column;
  gap:8px;
  min-width:0;
}
.gb-footer__heading{
  margin:0 0 14px;
  padding-bottom:8px;
  border-bottom:1px solid rgba(246,238,223,.2);
  font-family:var(--gb-font-body);
  font-size:.72rem;
  font-weight:700;
  line-height:1.4;
  letter-spacing:.18em;
  color:var(--gb-gold);
}
.gb-footer__list{
  margin:0;
  padding:0;
  list-style:none;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:2px 18px;
}
.gb-footer__link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 0;
  font-size:.92rem;
  color:var(--gb-cream);
  text-decoration:none;
  transition:color var(--gb-t) var(--gb-ease);
}
.gb-footer__link::before{
  content:"";
  flex:none;
  width:7px;
  height:1.5px;
  background:var(--gb-mist);
  transition:width var(--gb-t) var(--gb-ease),background-color var(--gb-t) var(--gb-ease);
}
.gb-footer__link:hover{color:var(--gb-gold);}
.gb-footer__link:hover::before{
  width:15px;
  background:var(--gb-gold);
}

.gb-footer__row{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:10px;
  align-items:baseline;
  font-size:.9rem;
  line-height:1.7;
}
.gb-footer__k{
  font-size:.68rem;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--gb-gold);
  white-space:nowrap;
}
.gb-footer__v{
  color:var(--gb-cream);
  word-break:break-word;
}

.gb-footer__base{
  max-width:var(--gb-maxw);
  margin:0 auto;
  padding:18px var(--gb-pad) clamp(22px,3vw,30px);
  border-top:1px solid rgba(246,238,223,.16);
  display:flex;
  flex-wrap:wrap;
  gap:8px 24px;
  align-items:baseline;
  justify-content:space-between;
  font-size:.78rem;
  color:var(--gb-mist);
}
.gb-footer__note{margin:0;}
.gb-footer__legal{
  font-family:var(--gb-font-mono);
  letter-spacing:.04em;
}

.gb-top{
  position:fixed;
  right:clamp(12px,2vw,28px);
  bottom:clamp(12px,2vw,28px);
  z-index:90;
  display:grid;
  place-items:center;
  width:46px;
  height:46px;
  padding:0;
  font-family:var(--gb-font-mono);
  font-size:1.1rem;
  font-weight:700;
  color:var(--gb-white);
  background:var(--gb-lake);
  border:var(--gb-bw) solid var(--gb-white);
  box-shadow:4px 4px 0 rgba(36,26,23,.34);
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity var(--gb-t) var(--gb-ease),
             transform var(--gb-t) var(--gb-ease),
             visibility var(--gb-t) var(--gb-ease),
             background-color var(--gb-t) var(--gb-ease);
}
.gb-top.is-on{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.gb-top:hover{background:var(--gb-ember);}

/* ============ GENERIC LAYOUT ============ */
.gb-wrap{
  width:100%;
  max-width:1100px;
  margin:0 auto;
  padding-inline:var(--gb-pad);
}
.gb-wrap--wide{max-width:var(--gb-maxw);}
.gb-section{padding-block:clamp(32px,5vw,72px);}

.gb-split{
  display:grid;
  grid-template-columns:minmax(0,32fr) minmax(0,68fr);
  gap:clamp(20px,3vw,44px);
  align-items:start;
}
.gb-split--flip{
  grid-template-columns:minmax(0,68fr) minmax(0,32fr);
}

.gb-grid{
  display:grid;
  gap:clamp(14px,2vw,24px);
}
.gb-grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.gb-grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}

/* ============ TEXT PIECES ============ */
.gb-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  margin:0 0 10px;
  font-size:.72rem;
  font-weight:700;
  letter-spacing:.2em;
  line-height:1.5;
  color:var(--gb-lake);
}
.gb-eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--gb-ember);
}
.gb-label{
  display:inline-block;
  font-size:.7rem;
  font-weight:700;
  letter-spacing:.14em;
  line-height:1.6;
  color:var(--gb-dusk);
}
.gb-num{
  font-family:var(--gb-font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.gb-link{
  color:var(--gb-lake);
  text-decoration:none;
  border-bottom:2px solid rgba(47,110,142,.35);
  transition:color var(--gb-t) var(--gb-ease),border-color var(--gb-t) var(--gb-ease);
}
.gb-link:hover{
  color:var(--gb-ember);
  border-bottom-color:var(--gb-ember);
}

.gb-rule{
  height:0;
  margin:clamp(24px,4vw,44px) 0;
  border:0;
  border-top:var(--gb-bw) solid var(--gb-ink);
}
.gb-rule--dash{
  border-top-width:1.5px;
  border-top-style:dashed;
  border-top-color:var(--gb-mist);
}

/* ============ TAG ============ */
.gb-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 9px;
  background:var(--gb-white);
  color:var(--gb-ink);
  border:1.5px solid currentColor;
  font-size:.72rem;
  font-weight:700;
  letter-spacing:.1em;
  line-height:1.6;
}
.gb-tag--lake{color:var(--gb-lake);}
.gb-tag--dusk{color:var(--gb-dusk);}
.gb-tag--gold{color:var(--gb-gold);}
.gb-tag--pine{color:var(--gb-pine);}
.gb-tag--rose{color:var(--gb-rose);}
.gb-tag--ember{color:var(--gb-ember);}

/* ============ BUTTON ============ */
.gb-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 21px;
  font-family:var(--gb-font-head);
  font-size:.95rem;
  font-weight:700;
  line-height:1.3;
  color:var(--gb-ink);
  background:var(--gb-white);
  border:var(--gb-bw) solid var(--gb-ink);
  box-shadow:4px 4px 0 var(--gb-ink);
  text-decoration:none;
  cursor:pointer;
  transition:transform var(--gb-t) var(--gb-ease),
             box-shadow var(--gb-t) var(--gb-ease),
             background-color var(--gb-t) var(--gb-ease),
             color var(--gb-t) var(--gb-ease);
}
.gb-btn:hover{
  transform:translate(-2px,-2px);
  box-shadow:6px 6px 0 var(--gb-ink);
}
.gb-btn:active{
  transform:translate(2px,2px);
  box-shadow:1px 1px 0 var(--gb-ink);
}
.gb-btn--primary{
  background:var(--gb-lake);
  color:var(--gb-white);
}
.gb-btn--primary:hover{background:var(--gb-lake-deep);}
.gb-btn--dusk{
  background:var(--gb-dusk);
  color:var(--gb-white);
}
.gb-btn--ghost{
  background:transparent;
  box-shadow:none;
}
.gb-btn--ghost:hover{
  transform:none;
  box-shadow:none;
  background:var(--gb-ink);
  color:var(--gb-white);
}

/* ============ BREADCRUMBS ============ */
.gb-crumbs{
  padding:clamp(14px,2vw,22px) 0;
}
.gb-crumbs__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
  margin:0;
  padding:0;
  list-style:none;
  font-size:.78rem;
  letter-spacing:.04em;
}
.gb-crumbs__item{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--gb-dusk);
}
.gb-crumbs__link{
  color:var(--gb-lake);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color var(--gb-t) var(--gb-ease),border-color var(--gb-t) var(--gb-ease);
}
.gb-crumbs__link:hover{
  color:var(--gb-ember);
  border-bottom-color:var(--gb-ember);
}
.gb-crumbs__sep{
  color:var(--gb-mist);
}

/* ============ MEDIA PLACEHOLDER ============ */
.gb-media{
  position:relative;
  display:block;
  overflow:hidden;
  isolation:isolate;
  aspect-ratio:4 / 3;
  border:var(--gb-bw) solid var(--gb-ink);
  box-shadow:var(--gb-shadow-sm);
  background-color:var(--gb-mist);
  background-image:
    linear-gradient(135deg,rgba(47,110,142,.26),rgba(91,74,114,.26)),
    repeating-linear-gradient(45deg,rgba(36,26,23,.1) 0 2px,transparent 2px 12px);
}
.gb-media > img,
.gb-media > svg{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}
.gb-media--wide{aspect-ratio:16 / 9;}
.gb-media--tall{aspect-ratio:3 / 4;}
.gb-media--square{aspect-ratio:1 / 1;}
.gb-media__cap{
  position:absolute;
  left:0;
  bottom:0;
  margin:0;
  padding:6px 12px;
  font-size:.72rem;
  letter-spacing:.08em;
  line-height:1.6;
  color:var(--gb-white);
  background:var(--gb-ink);
}

/* ============ CARD ============ */
.gb-card{
  display:flex;
  flex-direction:column;
  gap:10px;
  min-width:0;
  padding:clamp(16px,2.2vw,24px);
  background:var(--gb-white);
  border:var(--gb-bw) solid var(--gb-ink);
  box-shadow:var(--gb-shadow-sm);
  transition:transform var(--gb-t) var(--gb-ease),box-shadow var(--gb-t) var(--gb-ease);
}
.gb-card:hover{
  transform:translate(-2px,-2px);
  box-shadow:var(--gb-shadow);
}
.gb-card__meta{
  margin:0;
  font-size:.72rem;
  font-weight:700;
  letter-spacing:.12em;
  line-height:1.6;
  color:var(--gb-lake);
}
.gb-card__title{
  margin:0;
  font-family:var(--gb-font-head);
  font-weight:800;
  font-size:1.15rem;
  line-height:1.3;
  letter-spacing:.02em;
}
.gb-card__body{
  margin:0;
  font-size:.95rem;
  line-height:1.75;
}

/* ============ RESPONSIVE ============ */
@media (max-width:1100px) and (min-width:901px){
  .gb-brand__note{display:none;}
  .gb-nav__link{padding:12px 8px;font-size:.88rem;}
}

@media (max-width:900px){
  .gb-header__inner{
    grid-template-columns:minmax(0,1fr) auto;
    align-items:center;
  }
  .gb-brand{
    border-right:none;
    background:transparent;
    padding:10px var(--gb-pad);
  }
  .gb-brand__note{display:none;}
  .gb-brand__mark{width:32px;height:32px;font-size:.95rem;}
  .gb-navbtn{display:inline-flex;}
  .gb-nav{
    grid-column:1 / -1;
    display:none;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    padding:0;
    background:var(--gb-white);
    border-top:var(--gb-bw) solid var(--gb-ink);
  }
  .gb-nav[data-open="true"]{display:flex;}
  .gb-nav__list{
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:0;
  }
  .gb-nav__item{
    border-bottom:1px solid var(--gb-line);
  }
  .gb-nav__item:last-child{border-bottom:none;}
  .gb-nav__link{
    width:100%;
    justify-content:flex-start;
    padding:14px var(--gb-pad);
    border-bottom:none;
    border-left:4px solid transparent;
    font-size:.98rem;
  }
  .gb-nav__link:hover{
    background:var(--gb-cream);
    border-left-color:var(--gb-gold);
  }
  .gb-nav__link[aria-current="page"]{
    border-left-color:var(--gb-ember);
    border-bottom:none;
  }

  .gb-footer__inner{grid-template-columns:minmax(0,1fr);gap:34px;}
  .gb-footer__tag{max-width:none;}
  .gb-split,
  .gb-split--flip{grid-template-columns:minmax(0,1fr);}
  .gb-grid--3{grid-template-columns:repeat(2,minmax(0,1fr));}
}

@media (max-width:600px){
  .gb-grid--2,
  .gb-grid--3{grid-template-columns:minmax(0,1fr);}
  .gb-footer__list{grid-template-columns:minmax(0,1fr);}
  .gb-footer__base{flex-direction:column;align-items:flex-start;gap:6px;}
  .gb-media{aspect-ratio:5 / 4;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .gb-top{transition:none;}
  .gb-progress__bar{transition:none;}
}