:root { --ink:#10233f; --paper:#f4f0e7; --blue:#1e5aa7; --gold:#d39b42; --line:rgba(16,35,63,.18); }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; background:var(--paper); color:var(--ink); font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif; }
button,a { font:inherit; }
button { color:inherit; }
.site-header { position:absolute; inset:0 0 auto; z-index:5; display:flex; align-items:center; justify-content:space-between; padding:24px 4.5vw; color:white; border-bottom:1px solid rgba(255,255,255,.35); }
.brand { display:flex; gap:12px; align-items:center; color:inherit; text-decoration:none; font-weight:700; letter-spacing:.15em; }
.brand-mark { display:grid; place-items:center; width:38px; height:38px; border:1px solid currentColor; border-radius:50%; font-family:serif; font-size:19px; }
.header-meta { display:flex; align-items:center; gap:32px; font-size:13px; letter-spacing:.13em; }
.share-button,.header-upload,footer button { border:1px solid currentColor; background:transparent; color:inherit; padding:10px 16px; cursor:pointer; text-decoration:none; transition:.25s; }
.share-button:hover,.header-upload:hover { background:white; color:var(--ink); }
.hero { position:relative; min-height:100svh; color:white; overflow:hidden; background:#26384d; }
.hero>img { width:100%; height:100svh; object-fit:cover; object-position:center 38%; filter:saturate(.86) contrast(1.04); animation:hero-in 1.4s ease-out both; }
.hero-shade { position:absolute; inset:0; background:linear-gradient(90deg,rgba(5,22,43,.72) 0%,rgba(5,22,43,.22) 58%,rgba(5,22,43,.12)),linear-gradient(0deg,rgba(5,18,34,.36),transparent 45%); }
.hero-copy { position:absolute; left:7.5vw; bottom:17vh; max-width:800px; }
.eyebrow,.section-number { margin:0 0 18px; color:var(--gold); font-size:12px; font-weight:700; letter-spacing:.23em; }
.hero h1 { margin:0; font-family:STKaiti,KaiTi,serif; font-size:clamp(72px,11vw,172px); font-weight:400; letter-spacing:.1em; line-height:.95; text-shadow:0 5px 30px rgba(0,0,0,.2); }
.lead { margin:30px 0 0; font-family:STKaiti,KaiTi,serif; font-size:clamp(18px,2vw,27px); line-height:1.8; letter-spacing:.12em; }
.scroll-cue { position:absolute; right:4.5vw; bottom:38px; display:flex; align-items:center; gap:18px; color:white; text-decoration:none; font-size:12px; letter-spacing:.18em; writing-mode:vertical-rl; }
.scroll-cue i { font-style:normal; font-size:24px; animation:bob 1.8s ease-in-out infinite; }
.intro { display:grid; grid-template-columns:.7fr 1.5fr 1fr; gap:7vw; padding:130px 7.5vw; border-bottom:1px solid var(--line); }
.intro h2,.gallery-heading h2 { margin:0; font-family:STKaiti,KaiTi,serif; font-weight:400; line-height:1.35; }
.intro h2 { font-size:clamp(34px,4vw,62px); }
.intro>p:last-child { align-self:end; margin:0; color:#536171; font-size:15px; line-height:2; }
.gallery-section { padding:110px 4.5vw 130px; }
.gallery-heading { display:flex; align-items:end; justify-content:space-between; margin:0 3vw 52px; }
.gallery-heading h2 { font-size:clamp(40px,5vw,68px); }
.gallery-tools { display:flex; flex-direction:column; align-items:flex-end; gap:14px; }
.filters { display:flex; gap:7px; flex-wrap:wrap; justify-content:flex-end; }
.filters button { border:0; border-bottom:1px solid transparent; background:transparent; padding:8px 13px; color:#687382; font-size:13px; cursor:pointer; }
.filters button.active { color:var(--blue); border-color:var(--blue); }
.download-button { display:inline-flex; align-items:center; justify-content:center; padding:11px 17px; border:1px solid var(--blue); background:var(--blue); color:white; font-size:13px; letter-spacing:.06em; text-decoration:none; transition:.25s; }
.download-button:hover,.download-button:focus-visible { background:var(--ink); border-color:var(--ink); }
.upload-panel { display:flex; align-items:center; justify-content:space-between; gap:40px; margin:0 3vw 44px; padding:30px 34px; border:1px solid var(--line); background:rgba(255,255,255,.38); }
.upload-panel { scroll-margin-top:24px; }
.upload-panel h3 { margin:0 0 9px; font-family:STKaiti,KaiTi,serif; font-size:clamp(25px,2.5vw,38px); font-weight:400; }
.upload-panel p { margin:0; color:#586575; font-size:13px; line-height:1.7; }
.upload-panel .section-number { margin-bottom:10px; color:var(--gold); }
.upload-panel .upload-notice { margin-top:7px; color:#7d653c; }
.upload-actions { display:flex; min-width:180px; flex-direction:column; align-items:flex-start; gap:10px; }
.upload-button { display:inline-flex; align-items:center; justify-content:center; min-width:150px; padding:12px 20px; background:var(--blue); color:white; cursor:pointer; font-size:14px; letter-spacing:.08em; transition:.25s; }
.upload-button:hover,.upload-button:focus-visible { background:var(--ink); }
#upload-status { max-width:270px; color:#667384; font-size:12px; line-height:1.6; }
.photo-grid { display:grid; grid-template-columns:repeat(4,1fr); grid-auto-rows:260px; gap:14px; }
.photo-grid.is-empty { display:block; min-height:180px; border:1px dashed var(--line); }
.empty-message { display:grid; min-height:180px; place-items:center; margin:0; color:#718092; }
.photo-card { position:relative; border:0; padding:0; overflow:hidden; background:#d8d3ca; cursor:zoom-in; text-align:left; }
.photo-card.featured { grid-column:span 2; }
.photo-card.tall { grid-row:span 2; }
.photo-card img { width:100%; height:100%; object-fit:cover; transition:transform .7s cubic-bezier(.2,.7,.2,1),filter .4s; }
.photo-card:hover img,.photo-card:focus-visible img { transform:scale(1.035); filter:brightness(.78); }
.photo-overlay { position:absolute; inset:auto 0 0; display:flex; justify-content:space-between; align-items:end; gap:15px; padding:42px 20px 18px; color:white; background:linear-gradient(transparent,rgba(7,20,35,.76)); opacity:0; transform:translateY(8px); transition:.3s; }
.photo-card:hover .photo-overlay,.photo-card:focus-visible .photo-overlay { opacity:1; transform:none; }
.photo-overlay b { font-family:STKaiti,KaiTi,serif; font-size:20px; font-weight:400; }
.photo-overlay small { font-size:10px; letter-spacing:.12em; white-space:nowrap; }
.quote-section { display:grid; place-items:center; min-height:520px; padding:80px 20px; background:var(--ink); color:white; text-align:center; }
.quote-section p { margin:0; font-family:STKaiti,KaiTi,serif; font-size:clamp(36px,5vw,70px); line-height:1.55; letter-spacing:.08em; }
.quote-section span { margin-top:-90px; color:#aab5c4; font-size:13px; letter-spacing:.16em; }
footer { display:flex; align-items:center; justify-content:space-between; gap:30px; padding:46px 4.5vw; background:#0b182a; color:#dfe5ec; }
footer>div { display:flex; align-items:center; gap:12px; letter-spacing:.12em; }
footer p { color:#8e9bad; font-size:12px; letter-spacing:.11em; }
footer button:hover { border-color:var(--gold); color:var(--gold); }
.lightbox { position:fixed; inset:0; z-index:30; display:grid; grid-template-columns:72px 1fr 72px; align-items:center; background:rgba(4,10,18,.95); color:white; backdrop-filter:blur(12px); }
.lightbox figure { display:flex; flex-direction:column; align-items:center; margin:0; min-width:0; }
.lightbox figure img { display:block; max-width:min(1200px,80vw); max-height:82vh; object-fit:contain; box-shadow:0 20px 70px rgba(0,0,0,.4); }
.lightbox figcaption { display:flex; justify-content:space-between; width:min(1200px,80vw); padding-top:15px; color:#d8dee7; }
.lightbox figcaption small { color:#8793a4; }
.lightbox button { border:0; background:transparent; color:white; font-size:28px; cursor:pointer; }
.lightbox-close { position:absolute; right:30px; top:24px; width:44px; height:44px; font-size:36px!important; }
.lightbox-prev,.lightbox-next { height:100%; }
@keyframes hero-in { from{transform:scale(1.04);opacity:.75} to{transform:scale(1);opacity:1} }
@keyframes bob { 0%,100%{transform:translateY(0)} 50%{transform:translateY(8px)} }
@media (max-width:900px) {
  .intro { grid-template-columns:1fr; gap:28px; padding:90px 7vw; }
  .intro>p:last-child { max-width:620px; }
  .photo-grid { grid-template-columns:repeat(2,1fr); grid-auto-rows:260px; }
  .gallery-heading { align-items:flex-start; flex-direction:column; gap:28px; }
  .gallery-tools { align-items:flex-start; }
  .filters { justify-content:flex-start; }
  .upload-panel { align-items:flex-start; flex-direction:column; }
  footer { flex-wrap:wrap; }
}
@media (max-width:600px) {
  .site-header { padding:17px 20px; }
  .brand-mark { width:34px; height:34px; }
  .brand>span:last-child,.header-meta>span { display:none; }
  .header-meta { gap:8px; }
  .header-upload,.share-button { padding:8px 10px; font-size:12px; }
  .hero-copy { left:24px; right:24px; bottom:15vh; }
  .hero h1 { font-size:68px; }
  .lead { font-size:17px; }
  .scroll-cue { display:none; }
  .gallery-section { padding:80px 12px 90px; }
  .gallery-heading { margin:0 12px 32px; }
  .gallery-tools,.download-button { width:100%; }
  .upload-panel { margin:0 12px 28px; padding:24px 20px; }
  .upload-actions { width:100%; }
  .upload-button { width:100%; }
  .photo-grid { gap:8px; grid-auto-rows:180px; }
  .photo-card.featured { grid-column:span 2; }
  .photo-overlay { opacity:1; transform:none; padding:40px 12px 12px; }
  .photo-overlay b { font-size:15px; }
  .photo-overlay small { display:none; }
  .quote-section { min-height:400px; }
  .quote-section span { margin-top:-45px; }
  footer { align-items:flex-start; flex-direction:column; }
  .lightbox { grid-template-columns:45px 1fr 45px; }
  .lightbox figure img,.lightbox figcaption { max-width:calc(100vw - 90px); width:calc(100vw - 90px); }
}
@media (prefers-reduced-motion:reduce) { * { scroll-behavior:auto!important; animation:none!important; transition:none!important; } }

[hidden] { display:none!important; }