/* ==========================================================================
   STAN AIGC · 视觉作品屋
   app.css — 全局样式（Blade Runner 霓虹 / 16:9 画幅 / 热点 / 覆盖层 / 影院）
   ========================================================================== */

:root{
  --c-night:#05080B;
  --c-cyan:#35E6FF;
  --c-mag:#FF2E88;
  --c-sodium:#FFAE42;
  --c-green:#9BFF5E;
  --c-violet:#6A3CFF;
  --c-white:#DDEBEA;
  --c-muted:rgba(221,235,234,.52);
  --c-line:rgba(53,230,255,.22);
  --c-line-2:rgba(53,230,255,.55);
  --f-disp:"Bebas Neue","Anton","Archivo Black","Arial Narrow",Impact,sans-serif;
  --f-mono:"Space Mono","SF Mono",Consolas,"Courier New",monospace;
  --f-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --f-serif:"Source Han Serif SC","Noto Serif SC","Songti SC",SimSun,serif;
  --e-out:cubic-bezier(.16,.84,.24,1);
  --e-io:cubic-bezier(.7,0,.3,1);
  --edge:clamp(14px,2.2vw,40px);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;background:#000;color:var(--c-white);
  font-family:var(--f-sans);overflow:hidden;
  -webkit-font-smoothing:antialiased;
  cursor:default;
}
img,video{display:block;max-width:100%}
button{font:inherit;color:inherit}

#app{position:fixed;inset:0;display:grid;place-items:center;background:
  radial-gradient(120% 120% at 50% 40%,#07101A 0%,#000 70%)}

/* ---------- 16:9 画幅（所有热点坐标的基准） ---------- */
#frame{
  position:relative;
  width:min(100vw, 177.78vh);
  height:min(56.25vw, 100vh);
  overflow:hidden;
  background:var(--c-night);
  box-shadow:0 0 80px rgba(53,230,255,.06), 0 0 2px rgba(53,230,255,.4);
}

/* ---------- 场景层 ---------- */
#sceneRoot{position:absolute;inset:0;z-index:10;background:var(--c-night)}
.scene{
  position:absolute;inset:0;opacity:0;visibility:hidden;
  transition:opacity .7s var(--e-out), visibility .7s;
}
.scene.is-on{opacity:1;visibility:visible}
.scene > img,.scene > video{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
}
.scene .grade{
  position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(to bottom, rgba(2,4,6,.42), transparent 18%, transparent 82%, rgba(2,4,6,.55));
}

/* ---------- 氛围层 ---------- */
#fx{position:absolute;inset:0;z-index:20;pointer-events:none}
.fx-fog{position:absolute;inset:-12%;opacity:.5;mix-blend-mode:screen;filter:blur(26px)}
.fx-fog--near{background:
  radial-gradient(52% 30% at 22% 76%, color-mix(in srgb, var(--c-cyan) 16%, transparent), transparent 70%),
  radial-gradient(46% 28% at 78% 68%, color-mix(in srgb, var(--c-mag) 12%, transparent), transparent 72%);
  animation:fogA 26s var(--e-io) infinite alternate}
.fx-fog--far{background:
  radial-gradient(64% 34% at 60% 92%, color-mix(in srgb, var(--c-sodium) 12%, transparent), transparent 70%),
  radial-gradient(50% 26% at 30% 88%, color-mix(in srgb, var(--c-violet) 14%, transparent), transparent 72%);
  animation:fogB 34s var(--e-io) infinite alternate}
@keyframes fogA{from{transform:translate3d(-3%,1%,0) scale(1.04)}to{transform:translate3d(4%,-2%,0) scale(1.12)}}
@keyframes fogB{from{transform:translate3d(3%,2%,0) scale(1.1)}to{transform:translate3d(-4%,-1%,0) scale(1.02)}}

.fx-rain{position:absolute;inset:-20%;opacity:.55;mix-blend-mode:screen;
  background-image:repeating-linear-gradient(100deg,transparent 0 46px,rgba(210,240,255,.15) 46px 47px,transparent 47px 92px);
  background-size:380px 380px;animation:rain .9s linear infinite}
@keyframes rain{from{transform:translate3d(0,-8%,0)}to{transform:translate3d(-1.8%,8%,0)}}

.fx-scan{position:absolute;inset:0;opacity:.10;mix-blend-mode:multiply;
  background:repeating-linear-gradient(to bottom, rgba(0,0,0,.55) 0 1px, transparent 1px 3px)}
.fx-bloom{position:absolute;inset:0;opacity:.2;mix-blend-mode:screen;filter:blur(18px);
  background:radial-gradient(70% 60% at 50% 48%, color-mix(in srgb,var(--c-cyan) 18%, transparent), transparent 74%)}
.fx-vignette{position:absolute;inset:0;mix-blend-mode:multiply;
  background:radial-gradient(118% 86% at 50% 46%, transparent 34%, rgba(2,4,6,.52) 76%, rgba(1,2,3,.85) 100%)}
.fx-grain{position:absolute;inset:-20%;opacity:.18;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='150' height='150'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.86' numOctaves='3' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='150' height='150' filter='url(%23n)' opacity='0.5'/></svg>");
  background-size:200px 200px;animation:grain .7s steps(4) infinite}
@keyframes grain{0%{transform:translate3d(0,0,0)}25%{transform:translate3d(-2%,1.5%,0)}50%{transform:translate3d(1.5%,-2%,0)}75%{transform:translate3d(-1%,-1%,0)}100%{transform:translate3d(0,0,0)}}

/* ---------- 热区 ---------- */
#hotspots{position:absolute;inset:0;z-index:30}
.hot{
  position:absolute;cursor:pointer;
  border:1px solid transparent;border-radius:2px;
  transition:border-color .25s var(--e-out), background .25s;
}
.hot::before,.hot::after{
  content:"";position:absolute;width:14px;height:14px;
  border:1px solid var(--c-cyan);opacity:0;transition:opacity .25s, transform .25s;
}
.hot::before{left:-1px;top:-1px;border-right:0;border-bottom:0;transform:translate(-4px,-4px)}
.hot::after{right:-1px;bottom:-1px;border-left:0;border-top:0;transform:translate(4px,4px)}
.hot:hover,.hot.is-hot{
  border-color:color-mix(in srgb, var(--c-cyan) 65%, transparent);
  background:radial-gradient(60% 60% at 50% 50%, color-mix(in srgb,var(--c-cyan) 12%, transparent), transparent 72%);
}
.hot:hover::before,.hot:hover::after,.hot.is-hot::before,.hot.is-hot::after{opacity:1;transform:translate(0,0)}
.hot .tg{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.96);
  white-space:nowrap;pointer-events:none;opacity:0;transition:.25s var(--e-out);
  font:600 clamp(9px,.78vw,13px)/1 var(--f-mono);letter-spacing:.18em;text-transform:uppercase;
  color:var(--c-white);text-shadow:0 0 12px color-mix(in srgb,var(--c-cyan) 70%, transparent);
  padding:8px 12px;border:1px solid color-mix(in srgb,var(--c-cyan) 45%, transparent);
  background:color-mix(in srgb, var(--c-night) 62%, transparent);backdrop-filter:blur(8px);
}
.hot:hover .tg,.hot.is-hot .tg{opacity:1;transform:translate(-50%,-50%) scale(1)}
.hot .pulse{
  position:absolute;left:50%;top:50%;width:8px;height:8px;transform:translate(-50%,-50%);
  border-radius:50%;background:var(--c-cyan);box-shadow:0 0 12px var(--c-cyan);
  animation:pulse 2.2s var(--e-io) infinite;
}
@keyframes pulse{0%,100%{opacity:.35;transform:translate(-50%,-50%) scale(.8)}50%{opacity:1;transform:translate(-50%,-50%) scale(1.25)}}
.hot:hover .pulse{opacity:0}
.hot.is-half{left:0;width:50%;top:0;bottom:0;border:0}
.hot.is-half.right{left:auto;right:0}
.hot.is-half:hover{background:linear-gradient(to right, transparent, color-mix(in srgb,var(--c-cyan) 10%, transparent))}
.hot.is-half.right:hover{background:linear-gradient(to left, transparent, color-mix(in srgb,var(--c-mag) 10%, transparent))}
.hot.is-half .tg{font-size:clamp(11px,1.1vw,18px);letter-spacing:.3em;padding:14px 22px}

/* ---------- 场景内 UI ---------- */
#ui{position:absolute;inset:0;z-index:35;pointer-events:none}
.ui-title{
  position:absolute;left:8%;bottom:20%;
  font-family:var(--f-disp);font-size:clamp(28px,5.4vw,86px);line-height:.92;
  letter-spacing:.02em;text-transform:uppercase;color:#fff;
  text-shadow:-.02em 0 var(--c-mag), .02em 0 var(--c-cyan), 0 0 .35em rgba(53,230,255,.5);
  opacity:0;transform:translateY(14px);transition:.8s var(--e-out);
}
.ui-title.is-on{opacity:1;transform:none}
.ui-sub{
  position:absolute;left:8%;bottom:14%;
  font-family:var(--f-mono);font-size:clamp(9px,.72vw,12px);letter-spacing:.28em;
  text-transform:uppercase;color:color-mix(in srgb,var(--c-cyan) 75%, transparent);
  opacity:0;transition:.8s .12s var(--e-out);
}
.ui-sub.is-on{opacity:1}
.ui-hint{
  position:absolute;left:50%;bottom:9%;transform:translateX(-50%);
  font:500 clamp(9px,.72vw,12px)/1 var(--f-mono);letter-spacing:.26em;text-transform:uppercase;
  color:color-mix(in srgb,var(--c-cyan) 65%, transparent);white-space:nowrap;
  opacity:0;transition:.6s;
}
.ui-hint.is-on{opacity:1;animation:blink 2.6s var(--e-io) infinite}
@keyframes blink{0%,100%{opacity:.35}50%{opacity:1}}

/* ---------- 顶部 HUD ---------- */
#hud{
  position:absolute;left:var(--edge);right:var(--edge);top:calc(var(--edge) * .72);
  z-index:50;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  pointer-events:none;
}
#hud .hud-left{display:flex;align-items:baseline;gap:10px;pointer-events:auto}
#hud .hud-left b{
  font-family:var(--f-disp);font-size:clamp(13px,1.12vw,19px);letter-spacing:.16em;
  color:#fff;text-shadow:0 0 14px rgba(53,230,255,.6);
}
#hud .hud-sub{
  font:500 clamp(8px,.62vw,11px)/1 var(--f-mono);letter-spacing:.2em;text-transform:uppercase;
  color:var(--c-muted);
}
.hud-nav{display:flex;gap:2px;pointer-events:auto}
.hud-nav button{
  appearance:none;background:none;border:0;cursor:pointer;
  font:500 clamp(8px,.64vw,11px)/1 var(--f-mono);letter-spacing:.2em;text-transform:uppercase;
  color:var(--c-muted);padding:8px 10px;transition:.2s var(--e-out);position:relative;
}
.hud-nav button::after{
  content:"";position:absolute;left:10px;right:10px;bottom:4px;height:1px;
  background:var(--c-cyan);transform:scaleX(0);transform-origin:left;transition:.3s var(--e-out);
}
.hud-nav button:hover{color:#fff}
.hud-nav button:hover::after{transform:scaleX(1)}
.hud-right{display:flex;gap:6px;pointer-events:auto}
.hud-box{
  appearance:none;cursor:pointer;position:relative;
  border:1px solid color-mix(in srgb,var(--c-cyan) 34%, transparent);
  background:color-mix(in srgb,var(--c-night) 55%, transparent);
  backdrop-filter:blur(10px);
  font:500 clamp(8px,.62vw,11px)/1 var(--f-mono);letter-spacing:.18em;text-transform:uppercase;
  color:var(--c-white);padding:9px 13px;transition:.2s;
}
.hud-box:hover{border-color:var(--c-cyan);background:color-mix(in srgb,var(--c-cyan) 14%, transparent)}
.hud-box[aria-pressed="true"]{border-color:var(--c-cyan);box-shadow:inset 0 0 18px color-mix(in srgb,var(--c-cyan) 20%, transparent);text-shadow:0 0 10px var(--c-cyan)}
.hidden{display:none !important}

/* ---------- 底部状态条 ---------- */
#statusbar{
  position:absolute;left:var(--edge);right:var(--edge);bottom:calc(var(--edge) * .6);
  z-index:50;display:flex;justify-content:space-between;align-items:center;gap:12px;
  font:500 clamp(8px,.62vw,11px)/1 var(--f-mono);letter-spacing:.2em;text-transform:uppercase;
  color:var(--c-muted);pointer-events:none;
}
#statusbar #stScene{color:color-mix(in srgb,var(--c-cyan) 80%, transparent)}
#statusbar #stHint{flex:1;text-align:center;color:color-mix(in srgb,var(--c-cyan) 55%, transparent)}

/* ---------- 转场视频宿主 ---------- */
#transHost{position:absolute;inset:0;z-index:70;background:#000;overflow:hidden}
#transHost video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
#transHost .skip{
  position:absolute;right:var(--edge);bottom:calc(var(--edge) * .6);
  font:500 10px/1 var(--f-mono);letter-spacing:.2em;color:rgba(255,255,255,.5);cursor:pointer;
  border:1px solid rgba(255,255,255,.2);padding:8px 12px;background:rgba(0,0,0,.4);
}

/* ---------- 覆盖层 ---------- */
#overlayHost{position:absolute;inset:0;z-index:60;display:flex;align-items:center;justify-content:center}
#overlayHost::before{
  content:"";position:absolute;inset:0;background:rgba(3,6,9,.86);
  backdrop-filter:blur(14px) saturate(.9);animation:ovIn .45s var(--e-out);
}
@keyframes ovIn{from{opacity:0}to{opacity:1}}
.ov{
  position:relative;width:min(94%, 1500px);max-height:90%;
  display:flex;flex-direction:column;
  animation:ovUp .55s var(--e-out) both;
}
@keyframes ovUp{from{opacity:0;transform:translateY(26px) scale(.99)}to{opacity:1;transform:none}}
.ov-head{
  display:flex;align-items:baseline;gap:14px;padding:0 0 12px;
  border-bottom:1px solid var(--c-line);margin-bottom:16px;
}
.ov-head .ov-k{
  font:600 clamp(8px,.62vw,11px)/1 var(--f-mono);letter-spacing:.24em;text-transform:uppercase;
  color:var(--c-cyan);border-left:2px solid var(--c-cyan);padding-left:8px;
}
.ov-head h2{
  margin:0;font-family:var(--f-disp);font-size:clamp(22px,3.2vw,52px);letter-spacing:.06em;
  text-transform:uppercase;color:#fff;
  text-shadow:-.02em 0 var(--c-mag), .02em 0 var(--c-cyan);
}
.ov-head .ov-meta{margin-left:auto;font:500 clamp(8px,.62vw,11px)/1 var(--f-mono);letter-spacing:.18em;color:var(--c-muted)}
.ov-close{
  position:absolute;right:-6px;top:-42px;cursor:pointer;border:1px solid var(--c-line);
  background:rgba(5,8,11,.6);color:var(--c-white);padding:9px 13px;
  font:500 clamp(8px,.62vw,11px)/1 var(--f-mono);letter-spacing:.2em;text-transform:uppercase;transition:.2s;
}
.ov-close:hover{border-color:var(--c-mag);color:#fff;box-shadow:0 0 18px color-mix(in srgb,var(--c-mag) 35%, transparent)}
.ov-body{overflow:auto;padding-right:6px;scrollbar-width:thin;scrollbar-color:var(--c-cyan) transparent}
.ov-body::-webkit-scrollbar{width:6px}
.ov-body::-webkit-scrollbar-thumb{background:color-mix(in srgb,var(--c-cyan) 45%, transparent)}

/* 海报墙 */
.wall{display:flex;gap:14px;overflow-x:auto;padding:4px 2px 22px;scroll-snap-type:x mandatory;
  scrollbar-width:thin;scrollbar-color:var(--c-cyan) transparent}
.wall::-webkit-scrollbar{height:6px}
.wall::-webkit-scrollbar-thumb{background:color-mix(in srgb,var(--c-cyan) 45%, transparent)}
.wall figure{
  position:relative;margin:0;flex:0 0 auto;scroll-snap-align:center;
  border:1px solid var(--c-line);background:#070C10;overflow:hidden;cursor:zoom-in;
  transition:.3s var(--e-out);
}
.wall figure:hover{border-color:var(--c-cyan);box-shadow:0 0 26px color-mix(in srgb,var(--c-cyan) 28%, transparent);transform:translateY(-3px)}
.wall img{display:block;height:clamp(240px,42vh,520px);width:auto;object-fit:cover}
.wall figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:8px 10px;
  font:500 9px/1.4 var(--f-mono);letter-spacing:.14em;color:rgba(255,255,255,.72);
  background:linear-gradient(to top, rgba(0,0,0,.8), transparent);
  opacity:0;transition:.2s;
}
.wall figure:hover figcaption{opacity:1}
.wall-thumbs{display:flex;gap:5px;overflow-x:auto;padding:0 0 8px;margin-top:-8px}
.wall-thumbs img{height:44px;width:auto;opacity:.35;cursor:pointer;border:1px solid transparent;transition:.2s}
.wall-thumbs img:hover{opacity:.85}
.wall-thumbs img.on{opacity:1;border-color:var(--c-cyan)}

/* IP 详情 */
.ip-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:26px}
@media (max-width:820px){.ip-wrap{grid-template-columns:1fr}}
.ip-media img{width:100%;border:1px solid var(--c-line);margin-bottom:10px}
.ip-media video{width:100%;border:1px solid var(--c-line);margin-bottom:10px}
.ip-side h3{
  margin:0 0 10px;font-family:var(--f-disp);font-size:clamp(18px,2vw,30px);
  letter-spacing:.08em;text-transform:uppercase;color:#fff;
}
.ip-side p{font-size:clamp(11px,.86vw,14px);line-height:1.9;color:rgba(221,235,234,.72);margin:0 0 16px}
.ip-spec{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font:500 clamp(9px,.72vw,12px)/1.7 var(--f-mono);color:var(--c-muted)}
.ip-spec b{color:var(--c-cyan);font-weight:600;letter-spacing:.1em}

/* 联系方式 / 简历 */
.ov-img{width:100%;display:block;border:1px solid var(--c-line)}
.ov-img--big{max-height:74vh;object-fit:contain;background:#05080B}
.ov-pdf{width:100%;height:min(80vh,1000px);border:1px solid var(--c-line);background:#0A1014}
.contact-grid{display:grid;grid-template-columns:1fr;gap:10px;
  font:500 clamp(10px,.8vw,13px)/1.9 var(--f-mono);color:var(--c-muted)}
.contact-grid b{color:var(--c-cyan);letter-spacing:.14em}

/* 图片放大 */
.zoom{position:absolute;inset:0;z-index:80;background:rgba(2,4,6,.94);display:grid;place-items:center;cursor:zoom-out}
.zoom img{max-width:92%;max-height:92%;border:1px solid var(--c-line-2)}

/* ---------- 鼠标准星 ---------- */
#reticle{position:absolute;left:0;top:0;width:26px;height:26px;z-index:90;pointer-events:none;
  transform:translate(-50%,-50%);opacity:0;transition:opacity .3s}
#reticle i{
  position:absolute;inset:0;border:1px solid color-mix(in srgb,var(--c-cyan) 55%, transparent);
  border-radius:50%;transform:scale(.35);transition:transform .25s var(--e-out);
}
#reticle.is-on{opacity:.85}
#reticle.is-hot i{transform:scale(1);border-color:var(--c-cyan);box-shadow:0 0 16px color-mix(in srgb,var(--c-cyan) 50%, transparent)}

/* ---------- 启动遮罩 ---------- */
#boot{position:fixed;inset:0;z-index:100;background:radial-gradient(70% 60% at 50% 50%,#0A1116,#05080B);
  display:grid;place-content:center;gap:22px;text-align:center;overflow:hidden;
  transition:opacity .9s var(--e-out), visibility .9s}
#boot::before{content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(to bottom, rgba(53,230,255,.07) 0 1px, transparent 1px 4px)}
#boot::after{content:"";position:absolute;left:0;right:0;height:26%;top:-30%;
  background:linear-gradient(to bottom, transparent, color-mix(in srgb,var(--c-cyan) 10%, transparent), transparent);
  animation:bootScan 2.6s linear infinite}
@keyframes bootScan{from{top:-30%}to{top:100%}}
#boot .boot-title{position:relative;font-family:var(--f-disp);font-size:clamp(24px,3.4vw,48px);
  letter-spacing:.3em;color:#fff;
  text-shadow:-1.5px 0 var(--c-mag), 1.5px 0 var(--c-cyan), 0 0 26px rgba(53,230,255,.45)}
#boot .boot-bar{position:relative;width:min(46vw,320px);height:1px;margin:0 auto;
  background:rgba(53,230,255,.18);overflow:hidden}
#boot .boot-bar i{display:block;height:100%;width:0;background:var(--c-cyan);
  box-shadow:0 0 10px var(--c-cyan);transition:width .26s linear}
#boot .boot-note{position:relative;font:500 clamp(8px,.68vw,12px)/1.8 var(--f-mono);
  letter-spacing:.24em;text-transform:uppercase;color:rgba(53,230,255,.55)}
html.is-ready #boot{opacity:0;visibility:hidden}

/* ---------- 影院：影厅屏幕 ---------- */
.hall{position:absolute;inset:0;z-index:65;background:#020406;display:grid;place-items:center;animation:ovIn .5s var(--e-out)}
.hall-screen{
  position:relative;height:86%;aspect-ratio:9/16;max-width:96%;
  background:#000;border:1px solid rgba(53,230,255,.25);
  box-shadow:0 0 60px rgba(53,230,255,.12), inset 0 0 60px rgba(0,0,0,.9);
  overflow:hidden;
}
.hall-screen video{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#000}
.hall-screen::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(to bottom, rgba(0,0,0,.24) 0 1px, transparent 1px 3px);
  opacity:.35;
}
.hall-hud{
  position:absolute;left:0;right:0;bottom:-42px;display:flex;justify-content:space-between;
  font:500 clamp(8px,.66vw,11px)/1 var(--f-mono);letter-spacing:.22em;color:rgba(221,235,234,.6);
}
.hall-close{position:absolute;right:0;top:-40px;cursor:pointer;border:1px solid var(--c-line);
  background:rgba(5,8,11,.6);color:#fff;padding:9px 13px;
  font:500 10px/1 var(--f-mono);letter-spacing:.2em;text-transform:uppercase}

/* 撕票 */
.ticket-stage{position:relative;display:grid;place-items:center;padding:20px 0}
.ticket-img{width:min(100%,860px);display:block;border:1px solid var(--c-line)}
.tear{position:absolute;inset:0;cursor:grab;user-select:none}
.tear .half{position:absolute;inset:0;will-change:transform}
.tear .half svg{width:100%;height:auto;display:block}

/* 移动端兜底 */
@media (max-width:640px){
  #hud{flex-wrap:wrap;gap:8px}
  .hud-nav{gap:0}
  #statusbar{font-size:8px}
  .ov{width:94%}
}

/* ---------- 无动画模式（?noanim=1）：用于截图自检 / 低性能设备 ---------- */
html.no-anim *, html.no-anim *::before, html.no-anim *::after{
  transition:none !important; animation:none !important;
}
html.no-anim .scene{opacity:0;visibility:hidden}
html.no-anim .scene.is-on{opacity:1;visibility:visible}


/* ---------- s3 影院：把白天的沙漠画面调成黄昏冷调，统一世界观 ---------- */
.scene[data-scene="s3"] > img{
  filter: saturate(.78) brightness(.62) contrast(1.1) hue-rotate(-10deg);
}
.scene[data-scene="s3"]::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(to bottom, rgba(6,20,38,.55), rgba(2,6,12,.35) 40%, rgba(2,4,8,.65)),
    radial-gradient(60% 50% at 50% 78%, rgba(255,174,66,.16), transparent 70%);
  mix-blend-mode:multiply;
}
.scene[data-scene="s3"] .grade{
  background:linear-gradient(to bottom, rgba(2,6,12,.6), transparent 30%, transparent 70%, rgba(2,4,8,.7));
}


/* ---------- 影厅 HUD / 关闭按钮：放在屏幕框外，避免被 overflow 裁掉 ---------- */
.hall-hud{
  position:absolute;left:8%;right:8%;bottom:4%;
  display:flex;justify-content:space-between;
  font:500 clamp(9px,.7vw,12px)/1 var(--f-mono);letter-spacing:.22em;
  color:rgba(221,235,234,.62);
}
.hall-close{
  position:absolute;right:5%;top:5%;cursor:pointer;
  border:1px solid var(--c-line);background:rgba(5,8,11,.6);color:#fff;
  padding:9px 13px;font:500 10px/1 var(--f-mono);letter-spacing:.2em;text-transform:uppercase;
  transition:.2s;
}
.hall-close:hover{border-color:var(--c-mag);box-shadow:0 0 18px color-mix(in srgb,var(--c-mag) 35%, transparent)}


/* ---------- 热区在「定格」之前隐藏（hero 视频播完才放出选项） ---------- */
#hotspots{opacity:0;transition:opacity .55s var(--e-out)}
#hotspots.is-ready{opacity:1}
#hotspots:not(.is-ready){pointer-events:none}
#hotspots:not(.is-ready) .hot{cursor:default}


/* ---------- 首次进入：开启声音提示 ---------- */
.sound-prompt{
  position:absolute;right:var(--edge);top:calc(var(--edge) * .72 + 52px);
  z-index:55;display:flex;align-items:center;gap:10px;
  appearance:none;cursor:pointer;
  border:1px solid color-mix(in srgb,var(--c-cyan) 45%, transparent);
  background:color-mix(in srgb,var(--c-night) 62%, transparent);
  backdrop-filter:blur(10px);
  color:var(--c-white);padding:10px 14px;text-align:left;
  transition:.25s var(--e-out);
  box-shadow:0 0 24px color-mix(in srgb,var(--c-cyan) 18%, transparent);
  animation:spIn .8s var(--e-out) both;
}
@keyframes spIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
.sound-prompt:hover{border-color:var(--c-cyan);box-shadow:0 0 30px color-mix(in srgb,var(--c-cyan) 35%, transparent)}
.sound-prompt .sp-icon{font-size:15px;line-height:1}
.sound-prompt .sp-txt{font:600 clamp(8px,.62vw,11px)/1.5 var(--f-mono);letter-spacing:.14em;text-transform:uppercase}
.sound-prompt .sp-txt i{font-style:normal;font-weight:400;font-size:.85em;letter-spacing:.1em;color:var(--c-muted)}



/* ---------- 进入闸门 ---------- */
.gate{
  position:fixed;inset:0;z-index:95;cursor:pointer;
  display:grid;place-items:center;text-align:center;
  /* 不用 backdrop-filter（全屏毛玻璃 + 播视频 = 帧率杀手），改用半透明渐变 */
  background:radial-gradient(70% 60% at 50% 46%,rgba(8,14,20,.72) 0%,rgba(3,6,10,.93) 74%);
  transition:opacity .85s var(--e-out), visibility .85s;
}
.gate::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(to bottom, rgba(53,230,255,.06) 0 1px, transparent 1px 4px);
}
.gate::after{
  content:"";position:absolute;left:0;right:0;height:26%;top:-30%;pointer-events:none;
  background:linear-gradient(to bottom,transparent,color-mix(in srgb,var(--c-cyan) 10%,transparent),transparent);
  animation:gateScan 3s linear infinite;
}
@keyframes gateScan{from{top:-30%}to{top:100%}}
.gate.is-out{opacity:0;visibility:hidden}
.gate.is-gone{display:none}
.gate-inner{position:relative;z-index:2;display:grid;gap:14px;justify-items:center}
.gate-kicker{font:500 clamp(8px,.62vw,11px)/1 var(--f-mono);letter-spacing:.34em;color:color-mix(in srgb,var(--c-cyan) 65%,transparent);text-transform:uppercase}
.gate-title{
  margin:0;font-family:var(--f-disp);font-size:clamp(40px,7vw,120px);line-height:.95;
  letter-spacing:.04em;color:#fff;
  text-shadow:-.02em 0 var(--c-mag), .02em 0 var(--c-cyan), 0 0 .3em rgba(53,230,255,.5);
}
.gate-sub{font:500 clamp(9px,.72vw,13px)/1 var(--f-mono);letter-spacing:.3em;color:var(--c-muted);text-transform:uppercase}
.gate-cta{
  margin-top:26px;display:inline-flex;align-items:center;gap:12px;
  border:1px solid color-mix(in srgb,var(--c-cyan) 45%,transparent);
  padding:13px 24px;color:var(--c-white);
  font:600 clamp(10px,.78vw,14px)/1 var(--f-mono);letter-spacing:.24em;text-transform:uppercase;
  background:color-mix(in srgb,var(--c-night) 45%,transparent);
  box-shadow:0 0 30px color-mix(in srgb,var(--c-cyan) 22%,transparent);
  animation:gatePulse 2.4s var(--e-io) infinite;
}
.gate-cta i{width:7px;height:7px;background:var(--c-cyan);box-shadow:0 0 12px var(--c-cyan);display:block}
@keyframes gatePulse{0%,100%{border-color:color-mix(in srgb,var(--c-cyan) 40%,transparent)}50%{border-color:var(--c-cyan)}}
.gate-note{font:500 clamp(8px,.6vw,10px)/1.7 var(--f-mono);letter-spacing:.16em;color:rgba(221,235,234,.42);text-transform:uppercase}


/* ==========================================================================
   性能加固
   ========================================================================== */

/* 闸门没点时先冻住重特效 */
html.gated #fx .fx-grain,
html.gated #fx .fx-fog,
html.gated #fx .fx-rain{ animation-play-state:paused !important }
html.gated .scene video{ /* 保留首帧做背景 */ }

/* 自动降级（实测帧率低时由 JS 加上 html.perf-low） */
html.perf-low #fx .fx-grain{ animation:none !important; opacity:.12 !important }
html.perf-low #fx .fx-fog{ animation:none !important; filter:blur(14px) !important }
html.perf-low #fx .fx-fog--far{ display:none !important }
html.perf-low #fx .fx-bloom{ display:none !important }
html.perf-low #fx .fx-rain{ animation-duration:1.8s !important; opacity:.35 !important }
html.perf-low .scene .grade{ background:linear-gradient(to bottom, rgba(2,4,6,.35), transparent 20%, transparent 80%, rgba(2,4,6,.45)) }

/* 手动极简模式（?perf=low） */
html.perf-min #fx .fx-grain,
html.perf-min #fx .fx-fog,
html.perf-min #fx .fx-bloom{ display:none !important }
html.perf-min #fx .fx-rain{ animation:none !important; opacity:.28 !important }


/* ---------- 定格后的极慢呼吸（避免像"死画面"，同时几乎不耗性能） ---------- */
.scene.is-on > img,
.scene.is-on > video{
  animation:breath 26s ease-in-out infinite alternate;
  transform-origin:50% 52%;
}
@keyframes breath{
  from{ transform:scale(1.0) }
  to  { transform:scale(1.022) }
}
html.perf-low .scene.is-on > img,
html.perf-low .scene.is-on > video{ animation:none }

/* ---------- 起始场景定格：淡入精修首页静帧（覆盖在视频定格帧之上） ---------- */
.scene .settle-still{
  position:absolute; inset:0; width:100%; height:100%;
  object-fit:cover; object-position:50% 50%;
  opacity:0; transition:opacity .85s var(--e-out);
  pointer-events:none; z-index:2;
}

/* 闸门显示时隐藏 HUD / 状态条，避免标题重影 */
html.gated #hud,
html.gated #statusbar,
html.gated .sound-prompt{ opacity:0 !important; pointer-events:none }