.study-page{--study-accent:#caff42;--study-glow:rgba(202,255,66,.12);--study-deep:#090b09;--study-surface:#101411;background:radial-gradient(circle at 78% 4%,var(--study-glow),transparent 32%),var(--study-deep);color:var(--ink)}
.study-page.study-theme-huashan{--study-accent:#dfa75b;--study-glow:rgba(163,80,31,.32);--study-deep:#0f0b08;--study-surface:#181009}
.study-page.study-theme-memorial{--study-accent:#d76c54;--study-glow:rgba(132,35,27,.32);--study-deep:#100908;--study-surface:#190e0b}
.study-page.study-theme-langur{--study-accent:#74d995;--study-glow:rgba(36,130,78,.3);--study-deep:#07110b;--study-surface:#0c1810}
.study-hero{min-height:760px;padding:128px 5vw 52px;display:grid;grid-template-columns:minmax(420px,.84fr) minmax(0,1.16fr);gap:5vw;align-items:stretch;position:relative;overflow:hidden}
.study-hero:before{content:"";position:absolute;left:-18vw;bottom:-34vw;width:65vw;height:65vw;border:1px solid color-mix(in srgb,var(--study-accent) 32%,transparent);border-radius:50%;transform:scaleY(.55);box-shadow:0 0 0 85px color-mix(in srgb,var(--study-accent) 5%,transparent),0 0 0 170px color-mix(in srgb,var(--study-accent) 3%,transparent)}
.study-hero-copy{position:relative;z-index:2;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding:30px 0}
.study-hero-copy>p{margin:0 0 26px;color:var(--study-accent);font-size:14px;letter-spacing:.17em}
.study-hero-copy>span{color:#aeb3ac;font-size:17px;line-height:1.65}
.study-hero h1{white-space:pre-line;margin:25px 0 30px;font-size:clamp(58px,7.1vw,110px);font-weight:500;line-height:.98;letter-spacing:-.06em}
.study-hero h1 .headline-line{display:block;white-space:nowrap}
.study-theme-memorial .study-hero h1{font-size:clamp(58px,5.2vw,82px)}
.study-hero-copy>strong{display:block;max-width:680px;color:#d5dad2;font-size:clamp(20px,1.8vw,27px);font-weight:400;line-height:1.65}
.study-meta{display:flex;flex-wrap:wrap;gap:9px;margin:32px 0 42px}.study-meta span{padding:9px 13px;border:1px solid #45433d;color:#aaa9a1;font-size:13px}
.study-page .button{margin-top:36px;background:var(--study-accent);color:#11100c;font-size:15px}
.study-hero-image{position:relative;min-width:0;margin:0;overflow:hidden;background:#14110d}
.study-hero-image:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(5,5,4,.04),rgba(5,5,4,.38))}
.study-hero-image img{width:100%;height:100%;object-fit:cover;filter:saturate(.82) contrast(1.06)}
.study-theme-huashan .study-hero-image img{object-position:center}
.study-theme-memorial .study-hero-image img{object-position:center 38%}
.study-hero-image figcaption{position:absolute;z-index:2;left:25px;bottom:24px;padding:9px 12px;background:rgba(7,7,6,.68);color:#dedfd8;font-size:13px;letter-spacing:.1em}
.study-overview{padding-top:92px;padding-bottom:96px;background:var(--paper);color:#0a0c0a}.study-overview .section-index{color:#666d64}
.study-background{display:grid;grid-template-columns:minmax(230px,.38fr) minmax(0,1.62fr);column-gap:7vw;align-items:start;margin-top:46px;padding-top:27px;border-top:1px solid #aeb4aa}.study-background>span{grid-column:1;color:#666d65;font-size:13px;letter-spacing:.16em}.study-background h2{grid-column:1;margin:22px 0 0;font-size:clamp(38px,4vw,60px);font-weight:500;letter-spacing:-.05em}.study-background p{grid-column:2;grid-row:1/span 2;max-width:980px;margin:0;color:#3f473f;font-size:21px;line-height:1.95}
.study-gallery{padding-top:96px;padding-bottom:100px;background:linear-gradient(140deg,var(--study-deep),var(--study-surface))}
.study-gallery-head{margin-bottom:42px}.study-gallery .section-index,.study-overview .section-index{font-size:13px}.study-gallery-head h2{margin:25px 0 0;font-size:clamp(46px,6vw,86px);font-weight:500;line-height:1;letter-spacing:-.055em}
.study-gallery-grid{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:210px;gap:12px}.study-gallery-grid figure{position:relative;grid-column:span 3;margin:0;overflow:hidden;background:#15130f}.study-gallery-grid figure:nth-child(1){grid-column:span 7;grid-row:span 2}.study-gallery-grid figure:nth-child(2){grid-column:span 5;grid-row:span 2}.study-gallery-grid img{width:100%;height:100%;object-fit:cover;filter:saturate(.78) contrast(1.07);transition:transform .7s ease,filter .45s ease}.study-gallery-grid figure:hover img{transform:scale(1.025);filter:saturate(.96) contrast(1.04)}.study-gallery-grid figcaption{position:absolute;left:18px;right:18px;bottom:17px;padding-top:13px;border-top:1px solid rgba(255,255,255,.42);color:#f5f6f1;font-size:15px;line-height:1.55;text-shadow:0 1px 12px #000}
.study-related{display:grid;grid-template-columns:1fr 1fr}.study-related>a{position:relative;min-height:240px;padding:42px 7vw;display:flex;flex-direction:column;justify-content:space-between;border-top:1px solid var(--line);background:#0e110f}.study-related>a+a{border-left:1px solid var(--line);background:var(--study-accent);color:#11100c}.study-related span{font-size:13px;letter-spacing:.15em}.study-related strong{max-width:620px;font-size:clamp(31px,3.8vw,56px);font-weight:500;line-height:1.06;letter-spacing:-.05em}.study-related i{position:absolute;right:7vw;top:38px;font-size:28px;font-style:normal}
@media(max-width:980px){.study-hero{grid-template-columns:1fr;min-height:0;padding-top:140px}.study-hero-image{height:64vw;min-height:430px}.study-background{grid-template-columns:1fr;gap:20px}.study-background>span,.study-background h2,.study-background p{grid-column:1;grid-row:auto}.study-background p{margin-top:14px}.study-gallery-grid{grid-auto-rows:190px}.study-gallery-grid figure{grid-column:span 6}.study-gallery-grid figure:nth-child(1),.study-gallery-grid figure:nth-child(2){grid-column:span 6;grid-row:span 2}.study-gallery-grid figure:nth-child(5){grid-column:span 12}}
@media(max-width:680px){.study-hero{padding:122px 6vw 48px;gap:34px}.study-hero h1{font-size:17vw}.study-hero-copy>p{font-size:12px}.study-hero-copy>span{font-size:15px}.study-hero-copy>strong{font-size:19px}.study-hero-image{height:78vw;min-height:330px}.study-page .section{padding:76px 6vw}.study-overview{padding-top:72px;padding-bottom:74px}.study-background p{font-size:18px;line-height:1.9}.study-gallery-grid{grid-template-columns:1fr;grid-auto-rows:auto}.study-gallery-grid figure,.study-gallery-grid figure:nth-child(1),.study-gallery-grid figure:nth-child(2),.study-gallery-grid figure:nth-child(5),.study-gallery-grid figure:nth-child(6){grid-column:1;grid-row:auto;height:68vw;min-height:270px}.study-related{grid-template-columns:1fr}.study-related>a{min-height:220px;padding:40px 6vw}.study-related>a+a{border-left:0}.study-related i{right:6vw;top:38px}}
@media(max-width:680px){.study-theme-memorial .study-hero h1{font-size:clamp(48px,14vw,64px)}}

/* White-headed langur case: portrait-first framing for the supplied field material. */
@media(min-width:981px){
  .study-theme-langur .study-hero{grid-template-columns:minmax(520px,1fr) minmax(390px,520px);gap:7vw}
  .study-theme-langur .study-hero-image{width:100%;height:650px;align-self:center;justify-self:end}
}
.study-theme-langur .study-hero-image{background:linear-gradient(145deg,#0d1c12,#050907)}
.study-theme-langur .study-hero-image img{object-fit:contain;object-position:center;filter:saturate(.9) contrast(1.04)}
.study-theme-langur .study-gallery-grid{grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:auto;gap:14px;max-width:1480px;margin:0 auto}
.study-theme-langur .study-gallery-grid figure,.study-theme-langur .study-gallery-grid figure:nth-child(1),.study-theme-langur .study-gallery-grid figure:nth-child(2),.study-theme-langur .study-gallery-grid figure:nth-child(5),.study-theme-langur .study-gallery-grid figure:nth-child(6){grid-column:auto;grid-row:auto;aspect-ratio:3/4;height:auto;min-height:0}
.study-theme-langur .study-gallery-grid img{object-position:center}
@media(max-width:980px){.study-theme-langur .study-hero-image{height:108vw;max-height:720px}.study-theme-langur .study-gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:680px){.study-theme-langur .study-hero-image{height:128vw;min-height:430px;max-height:680px}.study-theme-langur .study-gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.study-theme-langur .study-gallery-grid figure,.study-theme-langur .study-gallery-grid figure:nth-child(1),.study-theme-langur .study-gallery-grid figure:nth-child(2){height:auto;min-height:0;aspect-ratio:3/4}.study-theme-langur .study-gallery-grid figcaption{left:11px;right:11px;bottom:10px;padding-top:9px;font-size:13px}}