.reveal{opacity:1;transform:none}
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s ease}
.js .reveal.visible{opacity:1;transform:none}
.hero-image{background-image:url("https://commons.wikimedia.org/wiki/Special:FilePath/Ancient_stage_and_canal_in_Xitang_Town_at_night.jpg?width=1800"),url("assets/images/jiangnan-fallback.svg")}
.shadow-visual{background:#111b1a url("assets/images/project-cover.png") 72% center/cover no-repeat}
.timeline-photo{background-image:linear-gradient(0deg,rgba(20,15,12,.2),transparent),url("https://commons.wikimedia.org/wiki/Special:FilePath/Chinese_shadow_puppetry.jpg?width=1400"),url("assets/images/project-cover.png");background-position:center,center,72% center}
@media(prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}}

/* Content-rich editorial modules */
.section-pad{padding-top:92px;padding-bottom:92px}
.micro-label{margin:0 0 14px!important;font-size:9px!important;line-height:1.4!important;letter-spacing:.24em;color:#b84a36!important;text-transform:uppercase}
.song-dossier{display:grid;grid-template-columns:1.05fr .95fr;gap:72px;margin-top:64px;padding:52px 0;border-top:1px solid rgba(255,255,255,.19);border-bottom:1px solid rgba(255,255,255,.19)}
.dossier-intro h3,.interview-findings h3,.light-heading h2,.archive-schema h3{font-family:var(--serif);font-weight:400}
.dossier-intro h3{font-size:36px;line-height:1.35;margin:0 0 24px;max-width:520px}
.dossier-intro>p:not(.micro-label){font-size:13px;line-height:2;color:rgba(255,255,255,.65);margin:0 0 16px}
.song-structure{padding:34px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.13)}
.song-structure h4{font-family:var(--serif);font-size:23px;font-weight:400;margin:0 0 22px;color:#e3bd72}
.song-structure ol{list-style:none;padding:0;margin:0}
.song-structure li{display:grid;grid-template-columns:70px 1fr;gap:14px;padding:12px 0;border-top:1px solid rgba(255,255,255,.11)}
.song-structure li:last-child{border-bottom:1px solid rgba(255,255,255,.11)}
.song-structure b{font-family:var(--serif);font-weight:400;color:#e3bd72}
.song-structure span{font-size:11px;color:rgba(255,255,255,.58)}
.name-note{display:grid;grid-template-columns:170px 1fr;gap:30px;padding:24px 0;border-bottom:1px solid rgba(255,255,255,.2)}
.name-note span{font-size:9px;letter-spacing:.2em;color:#d9ad5b}
.name-note p{font-size:12px;line-height:1.9;margin:0;color:rgba(255,255,255,.62)}
.interview-findings{max-width:1030px;margin:72px auto 0;padding-top:44px;border-top:1px solid var(--ink)}
.interview-findings header{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:28px}
.interview-findings header .micro-label{margin-bottom:8px!important}
.interview-findings h3{font-size:34px;margin:0}
.finding-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.finding-grid article{padding:30px 28px;border-right:1px solid var(--line)}
.finding-grid article:last-child{border-right:0}
.finding-grid b{font-family:var(--serif);font-size:28px;font-weight:400;color:#b84a36}
.finding-grid h4{font-family:var(--serif);font-size:20px;font-weight:400;margin:15px 0 11px}
.finding-grid p{font-size:12px;line-height:1.85;color:#62716d;margin:0}
.light-archive{background:#e8dfce}
.light-heading{display:grid;grid-template-columns:1.08fr .92fr;gap:90px;align-items:end}
.light-heading h2{font-size:clamp(42px,4.7vw,68px);line-height:1.2;margin:0}
.light-heading>div:last-child p{font-size:14px;line-height:2;color:#5d6c68;margin:0}
.light-spectrum{display:grid;grid-template-columns:repeat(4,1fr);margin-top:62px;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}
.light-spectrum article{padding:32px 26px;min-height:285px;border-right:1px solid var(--line)}
.light-spectrum article:last-child{border:0}
.light-spectrum span{font-family:var(--serif);font-size:26px;color:#b84a36}
.light-spectrum h3{font-family:var(--serif);font-size:21px;font-weight:400;line-height:1.5;margin:16px 0 12px}
.light-spectrum p{font-size:12px;line-height:1.85;color:#65736f;margin:0}
.craft-flow{display:flex;align-items:center;justify-content:space-between;margin-top:44px;padding:25px 28px;background:var(--jade-dark);color:#fff}
.craft-flow div{display:flex;align-items:center;gap:10px;white-space:nowrap}
.craft-flow b{font-family:var(--serif);font-size:18px;font-weight:400;color:#d9ad5b}
.craft-flow span{font-size:10px;letter-spacing:.1em}
.craft-flow>i{height:1px;flex:1;margin:0 15px;background:rgba(255,255,255,.2)}
.archive-schema{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;margin-top:66px;padding:52px 0;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}
.archive-schema h3{font-size:34px;line-height:1.3;margin:0 0 20px}
.schema-copy>p:not(.micro-label){font-size:13px;line-height:1.9;color:#65736f}
.archive-schema dl{margin:0}
.archive-schema dl>div{display:grid;grid-template-columns:110px 1fr;gap:22px;padding:13px 0;border-top:1px solid var(--line)}
.archive-schema dl>div:last-child{border-bottom:1px solid var(--line)}
.archive-schema dt{font-family:var(--serif);color:#b84a36}
.archive-schema dd{margin:0;font-size:12px;color:#5f6f6b}
.audience-paths{display:grid;grid-template-columns:repeat(3,1fr);margin-top:46px;border:1px solid var(--line)}
.audience-paths article{padding:30px;border-right:1px solid var(--line)}
.audience-paths article:last-child{border-right:0}
.audience-paths small{font-size:9px;letter-spacing:.2em;color:#b84a36}
.audience-paths h4{font-family:var(--serif);font-size:24px;font-weight:400;margin:10px 0}
.audience-paths p{font-size:12px;line-height:1.85;color:#65736f;margin:0}

@media(max-width:980px){
  .song-dossier,.light-heading,.archive-schema{grid-template-columns:1fr;gap:38px}
  .finding-grid,.light-spectrum{grid-template-columns:repeat(2,1fr)}
  .finding-grid article:nth-child(2),.light-spectrum article:nth-child(2){border-right:0}
  .finding-grid article:nth-child(-n+2),.light-spectrum article:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .craft-flow{flex-wrap:wrap;gap:18px}.craft-flow>i{min-width:30px}
}
@media(max-width:680px){
  .section-pad{padding-top:72px;padding-bottom:72px}
  .song-dossier{margin-top:46px;padding:38px 0}.dossier-intro h3,.interview-findings h3,.archive-schema h3{font-size:29px}
  .song-structure{padding:24px}.name-note{grid-template-columns:1fr;gap:8px}
  .interview-findings header{display:block}.finding-grid,.light-spectrum,.audience-paths{grid-template-columns:1fr}
  .finding-grid article,.light-spectrum article,.audience-paths article{border-right:0;border-bottom:1px solid var(--line);min-height:0}
  .finding-grid article:last-child,.light-spectrum article:last-child,.audience-paths article:last-child{border-bottom:0}
  .light-heading{gap:28px}.light-heading h2{font-size:39px}.light-spectrum{margin-top:42px}
  .craft-flow{display:grid;grid-template-columns:1fr}.craft-flow>i{width:1px;height:18px;margin:0 0 0 13px}
  .archive-schema{gap:28px;padding:40px 0}.archive-schema dl>div{grid-template-columns:82px 1fr;gap:14px}
}

/* Film chapter + interaction polish */
.reading-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:120;pointer-events:none;background:rgba(255,255,255,.08)}
.reading-progress span{display:block;width:0;height:100%;background:linear-gradient(90deg,#d8ad5b,#efe0b4);box-shadow:0 0 14px rgba(216,173,91,.75);transform-origin:left}
.cursor-light{position:fixed;z-index:99;width:220px;height:220px;border-radius:50%;pointer-events:none;opacity:0;transform:translate(-50%,-50%);background:radial-gradient(circle,rgba(223,183,101,.12),rgba(223,183,101,0) 68%);mix-blend-mode:screen;transition:opacity .3s}
@media(pointer:fine){body:hover .cursor-light{opacity:1}}
.desktop-nav a.active{color:#e5bd70}.desktop-nav a.active:after{right:0;background:#e5bd70}
.film{position:relative;overflow:hidden;background:#092b29;color:#fff}
.film:before{content:"影";position:absolute;right:4vw;top:10px;font-family:var(--serif);font-size:290px;line-height:1;color:rgba(255,255,255,.025);pointer-events:none}
.film-ripple{position:absolute;border:1px solid rgba(221,180,97,.13);border-radius:50%;pointer-events:none}
.ripple-a{width:460px;height:460px;right:-190px;bottom:-130px}.ripple-b{width:650px;height:650px;right:-285px;bottom:-225px}
.film-heading{display:grid;grid-template-columns:1.05fr .95fr;gap:90px;align-items:end;margin-bottom:54px}
.film-heading h2{font-family:var(--serif);font-size:clamp(52px,5.5vw,78px);font-weight:400;line-height:1.12;margin:0}
.film-heading>p{max-width:520px;margin:0;font-size:14px;line-height:2;color:rgba(255,255,255,.63)}
.film .micro-label{color:#dfb765!important}
.film-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:22px;align-items:stretch}
.video-shell{position:relative;min-height:520px;aspect-ratio:16/9;background:#061b1a;overflow:hidden;border:1px solid rgba(255,255,255,.16);box-shadow:0 32px 70px rgba(0,0,0,.25)}
.video-shell video{display:block;width:100%;height:100%;object-fit:cover;background:#061b1a}
.video-shade{position:absolute;inset:0;pointer-events:none;background:linear-gradient(0deg,rgba(3,18,17,.8),transparent 37%),linear-gradient(90deg,rgba(3,18,17,.18),transparent 30%);transition:opacity .3s}
.video-shell.playing .video-shade{opacity:.25}
.video-center-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:3;width:122px;height:122px;border:1px solid rgba(255,255,255,.62);border-radius:50%;background:rgba(6,29,27,.46);backdrop-filter:blur(9px);color:#fff;cursor:pointer;display:grid;place-content:center;justify-items:center;gap:7px;transition:.35s}
.video-center-play:hover{transform:translate(-50%,-50%) scale(1.07);background:rgba(216,173,91,.82);color:#092b29;border-color:#d8ad5b}
.video-center-play i{width:0;height:0;border-top:9px solid transparent;border-bottom:9px solid transparent;border-left:15px solid currentColor;margin-left:5px}
.video-center-play span{font-size:10px;letter-spacing:.13em}.video-shell.playing .video-center-play{opacity:0;visibility:hidden;transform:translate(-50%,-50%) scale(.88)}
.video-status{position:absolute;left:24px;top:21px;right:24px;display:flex;justify-content:space-between;z-index:2;font-size:9px;letter-spacing:.19em;color:rgba(255,255,255,.64);pointer-events:none}
.video-status b{font-weight:400;color:#dfb765}
.video-controls{position:absolute;left:18px;right:18px;bottom:16px;z-index:4;height:48px;padding:0 13px;display:flex;align-items:center;gap:12px;background:rgba(4,25,23,.7);border:1px solid rgba(255,255,255,.13);backdrop-filter:blur(12px);transition:transform .3s,opacity .3s}
.video-shell.playing.controls-hidden .video-controls{transform:translateY(75px);opacity:0}
.video-controls button{width:28px;height:28px;border:0;background:none;color:#fff;display:grid;place-items:center;cursor:pointer;padding:5px}
.control-play{width:0;height:0;border-top:6px solid transparent;border-bottom:6px solid transparent;border-left:10px solid currentColor}
.video-shell.playing .control-play{width:9px;height:12px;border:0;border-left:3px solid currentColor;border-right:3px solid currentColor}
.control-sound{font-size:8px;letter-spacing:-1px}.control-fullscreen{width:12px;height:12px;border:1px solid currentColor;display:block;position:relative}
.video-time{font:10px/1 monospace;color:rgba(255,255,255,.65)}
#videoSeek{flex:1;height:2px;accent-color:#d8ad5b;cursor:pointer}
.video-fallback{position:absolute;inset:0;z-index:5;background:rgba(5,28,26,.94) url("assets/images/project-cover.png") 72% center/cover no-repeat;color:#fff;place-content:center;padding:12%;text-align:center}
.video-fallback:before{content:"";position:absolute;inset:0;background:rgba(3,22,20,.76);z-index:-1}.video-fallback:not([hidden]){display:grid}
.video-fallback b{font-family:var(--serif);font-size:28px;font-weight:400}.video-fallback p{font-size:12px;color:rgba(255,255,255,.65)}.video-fallback a{justify-self:center;margin-top:10px;padding:9px 20px;border:1px solid #d8ad5b;color:#d8ad5b;font-size:11px}
.film-notes{display:flex;flex-direction:column;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.035)}
.film-notes>div{padding:25px;border-bottom:1px solid rgba(255,255,255,.13)}
.film-notes small{display:block;font-size:9px;letter-spacing:.18em;color:#d8ad5b;margin-bottom:9px}.film-notes strong{font:34px/1 var(--serif);font-weight:400}.film-notes p{margin:0;font-size:11px;line-height:1.8;color:rgba(255,255,255,.58)}
.film-notes>a{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding:20px 25px;background:#d8ad5b;color:#092b29;font-size:11px;letter-spacing:.1em;transition:.25s}.film-notes>a:hover{background:#eed193;padding-left:30px}
.film-notes>a b{font-size:18px;font-weight:400}
.index-row,.gene-card,.finding-grid article,.light-spectrum article,.audience-paths article{will-change:transform}
.gene-card,.finding-grid article,.light-spectrum article,.audience-paths article{position:relative;overflow:hidden}
.gene-card:after,.finding-grid article:after,.light-spectrum article:after,.audience-paths article:after{content:"";position:absolute;inset:auto -50% -90% -50%;height:120%;background:radial-gradient(circle,rgba(216,173,91,.12),transparent 65%);opacity:0;transition:.35s;pointer-events:none}
.gene-card:hover:after,.finding-grid article:hover:after,.light-spectrum article:hover:after,.audience-paths article:hover:after{opacity:1;transform:translateY(-10%)}
@media(max-width:980px){.film-heading{grid-template-columns:1fr;gap:25px}.film-layout{grid-template-columns:1fr}.film-notes{display:grid;grid-template-columns:repeat(3,1fr)}.film-notes>a{grid-column:1/-1}.video-shell{min-height:0}}
@media(max-width:680px){.cursor-light{display:none}.film:before{font-size:170px}.film-heading h2{font-size:46px}.film-layout{gap:14px}.video-shell{aspect-ratio:9/14;max-height:72vh}.video-shell video{object-fit:contain}.video-center-play{width:96px;height:96px}.video-status{left:14px;right:14px}.video-controls{left:8px;right:8px;bottom:8px;gap:7px;padding:0 8px}.video-time{font-size:8px}.film-notes{grid-template-columns:1fr}.film-notes>a{grid-column:auto}.film-notes>div{padding:20px}.ripple-a,.ripple-b{display:none}}