/* shared layer-hub styles for L2-L5 */
body { background: var(--paper); }
.lh-main { max-width: 1340px; margin: 0 auto; padding: 28px 48px 80px; }
.lh-crumb { font-family: var(--font-mono); font-size: 11px; letter-spacing: .2em; color: var(--ink-soft); text-transform: uppercase; margin-bottom: 8px;}
.lh-crumb a { color: var(--ink-soft); text-decoration: none;}
.lh-crumb a:hover { color: var(--brick);}
.lh-hero { display:grid; grid-template-columns: 1.15fr 1fr; gap: 48px; padding: 28px 0 32px; border-bottom: 1px solid var(--line-strong); align-items: end;}
.lh-hero h1 { font-family: "Ma Shan Zheng", var(--font-serif); font-size: 108px; line-height: .96; margin: 14px 0 8px; letter-spacing: .02em;}
.lh-hero h1 .accent { color: var(--brick);}
.lh-hero .sub { font-family: var(--font-serif); font-size: 22px; color: var(--ink-soft); letter-spacing: .14em;}
.lh-hero .en { font-family: var(--font-mono); font-size: 12px; letter-spacing: .22em; color: var(--ink-soft); margin-top: 4px;}
.lh-hero .lede { font-family: var(--font-serif); font-size: 16px; line-height: 1.95; color: var(--ink); max-width: 540px;}
.lh-hero .lede .pull { display:block; font-family: var(--font-display); font-size: 20px; color: var(--brick); border-left: 3px solid var(--brick); padding: 4px 12px; margin: 14px 0 12px;}

.lh-modules { display:grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 28px;}
.lh-mod { border: 1px solid var(--line-strong); padding: 20px 22px 22px; background: rgba(255,250,240,.55); display:flex; flex-direction: column; gap: 10px; text-decoration: none; color: var(--ink);}
.lh-mod .top { display:flex; justify-content:space-between; align-items: flex-start;}
.lh-mod .num { font-family: var(--font-mono); font-size: 11px; letter-spacing: .2em; color: var(--ink-soft);}
.lh-mod .badge { font-family: var(--font-mono); font-size: 9px; padding: 2px 6px; letter-spacing: .18em; background: rgba(26,20,16,.55); color: var(--paper);}
.lh-mod h3 { font-family:"Ma Shan Zheng", var(--font-serif); font-size: 36px; margin: 4px 0 0; line-height: 1; letter-spacing: .04em;}
.lh-mod .en { font-family: var(--font-mono); font-size: 11px; letter-spacing: .18em; color: var(--ink-soft);}
.lh-mod .desc { font-family: var(--font-serif); font-size: 14px; line-height: 1.75; color: var(--ink-soft);}
.lh-mod .meta { display:flex; flex-wrap:wrap; gap: 6px; margin-top: 6px;}
.lh-mod.span2 { grid-column: span 2;}

.lh-preview { margin-top: 36px; padding: 24px; border:1px solid var(--line-strong); background: rgba(255,250,240,.5);}
.lh-preview h4 { font-family:"Ma Shan Zheng", var(--font-serif); font-size: 28px; margin: 0 0 10px;}

.lh-placeholder { margin-top: 36px; padding: 32px; background: rgba(255,255,255,.4); border: 1px dashed var(--line-strong); font-family: var(--font-mono); font-size: 12px; color: var(--ink-soft); letter-spacing: .14em; text-align:center;}

/* hero side art block per layer */
.lh-art { aspect-ratio: 1/1.1; border:1px solid var(--line-strong); padding: 22px; background: var(--paper-2); position: relative; display:flex; flex-direction: column; justify-content: space-between;}
.lh-art .deco { position: absolute; inset: 12px; border: 1px solid var(--brick); opacity: .25; pointer-events:none;}
.lh-art .stamp-row { display:flex; justify-content: space-between; align-items: flex-start;}
.lh-art .roman { font-family: var(--font-serif); font-weight: 800; font-size: 80px; color: var(--brick); line-height: 1; letter-spacing: .02em;}
.lh-art .seal { width: 56px; height: 56px; border:2px solid var(--brick); color: var(--brick); display:flex; align-items:center; justify-content:center; font-family: var(--font-serif); font-weight: 800; transform: rotate(-3deg);}
.lh-art .heading { font-family: "Ma Shan Zheng", serif; font-size: 64px; line-height: 1; color: var(--ink); letter-spacing: .04em;}
.lh-art .footstamp { font-family: var(--font-mono); font-size: 10px; letter-spacing: .2em; color: var(--ink-soft); border-top: 1px solid var(--line); padding-top: 10px;}

/* photo-backed art block */
.lh-art.has-photo { background:#1a1410; overflow:hidden;}
.lh-art.has-photo .lh-art__photo { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; z-index:0;}
.lh-art.has-photo::after { content:""; position:absolute; inset:0; z-index:1; pointer-events:none;
  background: linear-gradient(180deg, rgba(20,16,12,.5) 0%, rgba(20,16,12,.05) 26%, rgba(20,16,12,.35) 58%, rgba(20,16,12,.92) 100%);}
.lh-art.has-photo > * { position:relative; z-index:2;}
.lh-art.has-photo .deco { border-color: rgba(255,210,138,.5); opacity:1;}
.lh-art.has-photo .roman { color:#ffd28a; text-shadow:0 2px 10px rgba(0,0,0,.7);}
.lh-art.has-photo .seal { color:#ffd28a; border-color:#ffd28a; background: rgba(20,16,12,.35);}
.lh-art.has-photo .heading { color:#fdf6e3; text-shadow:0 2px 14px rgba(0,0,0,.85), 0 1px 3px rgba(0,0,0,.9);}
.lh-art.has-photo .footstamp { color: rgba(255,236,219,.8); border-color: rgba(255,236,219,.28);}

/* hero illustration banner — full-width cinematic 16:9 (unified across L2-L5) */
.lh-banner { position: relative; margin: 44px 0 10px; border: 1px solid var(--line-strong); overflow: hidden; line-height: 0;
  background: var(--paper-2); box-shadow: 0 28px 58px -32px rgba(26,20,16,.55);}
.lh-banner img { width: 100%; aspect-ratio: 16 / 9; height: auto; object-fit: cover; display: block;}
.lh-banner .cap { position: absolute; left: 0; right: 0; bottom: 0; line-height: 1.5; padding: 46px 34px 24px; pointer-events: none;
  background: linear-gradient(0deg, rgba(20,16,12,.80) 0%, rgba(20,16,12,.20) 52%, transparent 100%);
  display: flex; justify-content: space-between; align-items: flex-end; gap: 20px;}
.lh-banner .cap .t { flex: 0 0 auto; white-space: nowrap; font-family:"Ma Shan Zheng", var(--font-serif); font-size: 42px; color: #fdf6e3; letter-spacing: .06em; text-shadow: 0 2px 14px rgba(0,0,0,.65);}
.lh-banner .cap .e { flex: 0 1 auto; text-align: right; font-family: var(--font-mono); font-size: 11px; letter-spacing: .24em; color: rgba(253,246,227,.75);}