/* nanjing.one — purple & gold motion guide
   Layout notes: every "pinned" section is a tall parent with a position:sticky child,
   so the page still reads top to bottom with JavaScript off. */

:root{
  --bg:#08040f;--bg2:#0e0720;--bg3:#180b33;
  --violet:#7c4dff;--violet2:#a78bfa;--violet3:#3b1d8f;
  --gold:#f4c463;--gold2:#ffe2a0;--gold3:#b98a2e;
  --ink:#f3ecdf;--muted:#b8a9cf;--dim:#8a7aa8;
  --line:rgba(244,196,99,.2);--line2:rgba(167,139,250,.2);
  --serif:'Instrument Serif','NJ Serif SC','Songti SC','Noto Serif CJK SC',Georgia,serif;
  --sans:'Inter',system-ui,-apple-system,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
  --cjk:'NJ Serif SC','Songti SC','Noto Serif CJK SC','SimSun',serif;
  --ease:cubic-bezier(.2,.8,.2,1);
  --pad:clamp(20px,5vw,76px);
  --gold-grad:linear-gradient(100deg,#fff1c9 0%,#f4c463 28%,#c9973a 52%,#ffe2a0 78%,#f4c463 100%);
  --head-h:72px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scrollbar-color:#3b1d8f #08040f;scrollbar-width:thin}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
.lenis.lenis-smooth [data-lenis-prevent]{overscroll-behavior:contain}
.lenis.lenis-stopped{overflow:hidden}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.62;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:clip}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
h1,h2,h3,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:var(--gold);color:#1a0d33}
:focus-visible{outline:2px solid var(--gold);outline-offset:4px;border-radius:4px}
.skip{position:fixed;left:16px;top:-80px;z-index:200;background:var(--gold);color:#1a0d33;padding:10px 16px;border-radius:999px;font-weight:600}
.skip:focus{top:16px}
.zh{font-family:var(--cjk);font-weight:600;letter-spacing:.04em}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}

/* type */
h1,h2,h3,.serif{font-family:var(--serif);font-weight:400;letter-spacing:-.015em;line-height:.95}
h2{font-size:clamp(2.7rem,7.2vw,6.6rem)}
h1 em,h2 em,h3 em,.hero-big em,.gold{font-style:italic;background:var(--gold-grad);background-size:220% 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;
  padding:0 .14em .12em 0;margin-right:-.14em;animation:shimmer 9s linear infinite}
@keyframes shimmer{to{background-position:-220% 0}}
.eyebrow{font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);font-weight:600;
  display:inline-flex;align-items:center;gap:.9em}
.eyebrow::before{content:"";width:28px;height:1px;background:currentColor;opacity:.7}
.eyebrow .zh{letter-spacing:.2em;font-size:1.15em}
.lede{font-size:clamp(1.02rem,1.35vw,1.2rem);color:var(--muted);max-width:56ch}

.btn{--bc:var(--line);display:inline-flex;align-items:center;gap:.7em;padding:.82em 1.35em;border:1px solid var(--bc);
  border-radius:999px;font-size:.9rem;font-weight:600;letter-spacing:.02em;position:relative;overflow:hidden;
  transition:color .45s var(--ease),border-color .45s var(--ease);isolation:isolate;white-space:nowrap}
.btn::before{content:"";position:absolute;inset:-1px;background:var(--gold-grad);border-radius:inherit;z-index:-1;
  transform:translateY(102%);transition:transform .55s var(--ease)}
.btn:hover,.btn:focus-visible{color:#1a0d33;border-color:transparent}
.btn:hover::before,.btn:focus-visible::before{transform:none}
.btn-gold{color:#1a0d33;border-color:transparent;background:var(--gold-grad);background-size:200% 100%;
  box-shadow:0 0 0 0 rgba(244,196,99,.5),0 10px 40px -12px rgba(244,196,99,.55)}
.btn-gold::before{background:#fff4d8}
.btn .arr,.link-arrow .arr{display:inline-block;transition:transform .45s var(--ease)}
.btn:hover .arr,.link-arrow:hover .arr{transform:translateX(5px)}
.link-arrow{display:inline-flex;gap:.6em;align-items:center;color:var(--gold);font-weight:600;font-size:.92rem;
  border-bottom:1px solid var(--line);padding-bottom:.3em}

/* fixed layers */
#scene{position:fixed;left:0;top:0;width:100vw;height:100vh;height:100lvh;z-index:0;display:block;
  opacity:0;transition:opacity 1.2s ease;pointer-events:none}
#scene.is-on{opacity:1}
.backdrop{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;background:
  radial-gradient(60% 50% at 78% 8%,rgba(124,77,255,.34),transparent 70%),
  radial-gradient(50% 44% at 8% 30%,rgba(169,86,158,.2),transparent 70%),
  radial-gradient(70% 40% at 50% 104%,rgba(244,196,99,.2),transparent 70%),var(--bg)}
.backdrop i{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;will-change:transform}
.backdrop i:nth-child(1){width:46vw;height:46vw;left:-10vw;top:10vh;background:#3b1d8f;animation:drift 26s ease-in-out infinite alternate}
.backdrop i:nth-child(2){width:36vw;height:36vw;right:-8vw;top:46vh;background:#7a3a12;opacity:.34;animation:drift 32s ease-in-out infinite alternate-reverse}
@keyframes drift{to{transform:translate3d(8vw,-10vh,0) scale(1.2)}}
.grain{position:fixed;inset:-50%;z-index:50;pointer-events:none;opacity:.07;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 1.1s steps(6) infinite}
@keyframes grain{0%{transform:translate(0,0)}20%{transform:translate(-3%,2%)}40%{transform:translate(2%,-4%)}60%{transform:translate(-2%,3%)}80%{transform:translate(4%,1%)}100%{transform:translate(0,0)}}

.cursor{position:fixed;left:0;top:0;z-index:90;pointer-events:none;display:none}
.has-cursor .cursor{display:block}
.cursor-dot,.cursor-ring{position:fixed;left:0;top:0;border-radius:50%;transform:translate(-50%,-50%);will-change:transform}
.cursor-dot{width:6px;height:6px;background:var(--gold2);box-shadow:0 0 12px 2px rgba(244,196,99,.8)}
.cursor-ring{width:38px;height:38px;border:1px solid rgba(244,196,99,.6);display:grid;place-items:center;
  transition:width .35s var(--ease),height .35s var(--ease),background-color .35s,border-color .35s}
.cursor-ring b{font:600 .62rem/1 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:#1a0d33;opacity:0;transition:opacity .25s}
.cursor.is-link .cursor-ring{width:64px;height:64px;background:rgba(244,196,99,.14);border-color:var(--gold)}
.cursor.is-label .cursor-ring{width:92px;height:92px;background:var(--gold);border-color:var(--gold)}
.cursor.is-label .cursor-ring b{opacity:1}
.cursor.is-label .cursor-dot{opacity:0}
.cursor.is-down .cursor-ring{width:26px;height:26px}

.preloader{position:fixed;inset:0;z-index:100;display:grid;place-items:center;background:var(--bg);color:var(--ink);overflow:hidden}
.no-js .preloader{display:none}
.preloader::before{content:"";position:absolute;inset:0;background:
  radial-gradient(50% 50% at 50% 55%,rgba(124,77,255,.35),transparent 70%),
  radial-gradient(30% 24% at 50% 60%,rgba(244,196,99,.22),transparent 70%)}
.pre-in{position:relative;text-align:center;display:grid;gap:22px;justify-items:center}
.pre-glyph{font-family:var(--cjk);font-weight:900;font-size:clamp(5rem,16vw,11rem);line-height:1;letter-spacing:.08em;margin-right:-.08em;
  background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.pre-count{font-family:var(--serif);font-size:clamp(1.6rem,3vw,2.4rem);font-variant-numeric:tabular-nums;color:var(--gold2)}
.pre-count::after{content:"%";font-size:.6em;margin-left:.15em;color:var(--muted)}
.pre-bar{width:min(320px,60vw);height:1px;background:rgba(244,196,99,.2);overflow:hidden}
.pre-bar i{display:block;height:100%;background:var(--gold);transform-origin:left;transform:scaleX(0)}
.pre-note{font-size:.7rem;letter-spacing:.3em;text-transform:uppercase;color:var(--muted)}
.curtain{position:fixed;inset:0;z-index:95;background:linear-gradient(180deg,#1a0d33,#08040f);transform:translateY(100%);pointer-events:none}

/* header */
.site-head{position:fixed;left:0;right:0;top:0;z-index:60;height:var(--head-h);padding:0 var(--pad);
  display:flex;align-items:center;justify-content:space-between;gap:24px;transition:transform .6s var(--ease),background-color .5s,backdrop-filter .5s}
.site-head.is-scrolled{background:rgba(8,4,15,.62);-webkit-backdrop-filter:blur(16px) saturate(140%);backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid rgba(167,139,250,.14)}
.site-head.is-hidden{transform:translateY(-110%)}
.brand{display:inline-flex;align-items:center;gap:.6em;font-family:var(--serif);font-size:1.5rem;letter-spacing:-.01em}
.brand svg{width:28px;height:28px;flex:none}
.brand em{font-style:italic;color:var(--gold)}
.nav{display:flex;gap:clamp(14px,2.2vw,34px);font-size:.86rem;font-weight:500;color:var(--muted)}
.nav a{position:relative;padding:.5em 0;transition:color .3s}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:.2em;height:1px;background:var(--gold);transform:scaleX(0);transform-origin:right;transition:transform .5s var(--ease)}
.nav a:hover,.nav a[aria-current="page"]{color:var(--ink)}
.nav a:hover::after,.nav a[aria-current="page"]::after{transform:scaleX(1);transform-origin:left}
.head-cta{display:flex;align-items:center;gap:14px}
.menu-btn{display:none;width:46px;height:46px;border:1px solid var(--line);border-radius:50%;position:relative}
.menu-btn i{position:absolute;left:13px;right:13px;height:1.5px;background:var(--gold);transition:transform .45s var(--ease),top .45s var(--ease)}
.menu-btn i:first-child{top:18px}.menu-btn i:last-child{top:26px}
.menu-open .menu-btn i:first-child{top:22px;transform:rotate(45deg)}
.menu-open .menu-btn i:last-child{top:22px;transform:rotate(-45deg)}
.menu{position:fixed;inset:0;z-index:55;background:rgba(8,4,15,.96);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  display:flex;flex-direction:column;justify-content:center;padding:calc(var(--head-h) + 20px) var(--pad) 40px;gap:6px;
  opacity:0;visibility:hidden;transition:opacity .45s,visibility .45s}
.menu-open .menu{opacity:1;visibility:visible}
.menu a{font-family:var(--serif);font-size:clamp(2.4rem,11vw,4.2rem);line-height:1.12;display:flex;align-items:baseline;gap:.5em;
  transform:translateY(30px);opacity:0;transition:transform .7s var(--ease),opacity .7s var(--ease)}
.menu a small{font:600 .7rem var(--sans);letter-spacing:.2em;color:var(--gold)}
.menu-open .menu a{transform:none;opacity:1}
.menu a:nth-child(2){transition-delay:.05s}.menu a:nth-child(3){transition-delay:.1s}.menu a:nth-child(4){transition-delay:.15s}
.menu a:nth-child(5){transition-delay:.2s}.menu a:nth-child(6){transition-delay:.25s}

main{position:relative;z-index:1}
.sec{position:relative;background:var(--bg)}
.sec-head{display:grid;gap:22px;padding:0 var(--pad)}
.sec-head p.lede{margin-top:4px}

/* hero */
.hero{position:relative;height:460vh}
.hero-pin{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden}
.hero-stage{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  padding:calc(var(--head-h) + 10px) var(--pad) 12vh;gap:clamp(14px,2.4vh,26px)}
.hero-title{font-size:clamp(4.3rem,17.5vw,17rem);line-height:.82;letter-spacing:-.03em;text-shadow:0 0 80px rgba(8,4,15,.6)}
.hero-title .line{display:block;overflow:hidden;padding:.06em .12em .14em;margin:-.06em -.12em -.14em}
.hero-title .line>span,.hero-title .line>em{display:inline-block;will-change:transform}
.hero-title em{padding-right:.2em;margin-right:-.2em}
.hero-sub{max-width:44ch;color:var(--muted);font-size:clamp(.98rem,1.3vw,1.15rem);text-shadow:0 0 30px #08040f}
.hero-sub b{color:var(--gold2);font-weight:600}
.hero-s1,.hero-s2{visibility:hidden;opacity:0}
.hero-s1{justify-content:flex-end;padding-bottom:9vh}
.hero-s2{justify-content:flex-start;padding-top:calc(var(--head-h) + 7vh)}
.hero-big{font-family:var(--serif);font-size:clamp(2.2rem,5.4vw,5rem);line-height:1;letter-spacing:-.02em;text-shadow:0 0 50px #08040f}
.hero-big .zh{font-weight:900;letter-spacing:.06em;color:var(--gold2)}
.hero-note{color:var(--muted);font-size:.95rem;letter-spacing:.02em}
.hero-foot{position:absolute;left:var(--pad);right:var(--pad);bottom:clamp(18px,4vh,36px);display:flex;justify-content:space-between;align-items:flex-end;
  font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);pointer-events:none}
.scroll-hint{display:inline-flex;flex-direction:column;align-items:center;gap:12px;color:var(--gold)}
.scroll-hint::after{content:"";width:1px;height:54px;background:linear-gradient(var(--gold),transparent);transform-origin:top;animation:hint 2.2s var(--ease) infinite}
@keyframes hint{0%{transform:scaleY(0)}55%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}
.hero-foot span:nth-child(1){order:2}.hero-foot span:nth-child(2){order:1}.hero-foot span:nth-child(3){order:3;text-align:right}

/* marquee */
.band{position:relative;padding:clamp(34px,6vw,84px) 0;overflow:hidden;background:linear-gradient(180deg,rgba(8,4,15,0),var(--bg) 34%,var(--bg) 66%,rgba(8,4,15,0));
  border-block:1px solid rgba(167,139,250,.12)}
.marquee{display:flex;white-space:nowrap;will-change:transform;user-select:none}
.marquee-track{display:flex;flex:none;align-items:center;gap:.5em;padding-right:.5em;font-family:var(--serif);
  font-size:clamp(3rem,10vw,9.5rem);line-height:1.02;letter-spacing:-.02em}
.marquee-track span{color:transparent;-webkit-text-stroke:1px rgba(244,196,99,.7)}
.marquee-track span.fill{color:var(--ink);-webkit-text-stroke:0}
.marquee-track i{font-style:normal;font-size:.34em;color:var(--gold);transform:translateY(-.3em)}
.marquee.cjk .marquee-track{font-family:var(--cjk);font-weight:900;font-size:clamp(2rem,6vw,5.4rem);letter-spacing:.1em;margin-top:.2em}
.marquee.cjk .marquee-track span{-webkit-text-stroke:1px rgba(167,139,250,.75)}
.marquee.cjk .marquee-track span.fill{color:var(--violet2)}

/* manifesto */
.manifesto{position:relative;padding:clamp(90px,16vh,190px) var(--pad) clamp(80px,13vh,150px);display:grid;gap:clamp(36px,6vh,70px);
  background:linear-gradient(180deg,rgba(8,4,15,0) 0%,rgba(8,4,15,.55) 22%,rgba(8,4,15,.9) 78%,var(--bg) 100%)}
.manifesto-text{font-family:var(--serif);font-size:clamp(1.85rem,4.5vw,4.5rem);line-height:1.1;letter-spacing:-.018em;max-width:23ch;text-wrap:balance}
.manifesto-text .zh{font-weight:900;color:var(--gold2);letter-spacing:.04em}
.manifesto-text .w{display:inline-block}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.stats li{padding:clamp(20px,3vw,38px) clamp(12px,2vw,30px) 0 0;display:grid;gap:10px;border-right:1px solid rgba(167,139,250,.14);padding-left:clamp(12px,2vw,30px)}
.stats li:first-child{padding-left:0}.stats li:last-child{border-right:0}
.stats b{font-family:var(--serif);font-weight:400;font-size:clamp(2.5rem,6vw,5.6rem);line-height:.9;letter-spacing:-.03em;
  background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.stats b small{font-size:.36em;letter-spacing:0;margin-left:.2em}
.stats span{color:var(--muted);font-size:.86rem;max-width:22ch}

/* portal */
.portal{position:relative;height:270vh;background:var(--bg)}
.portal-pin{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;display:grid;place-items:center}
.portal-arch{--t:21%;--s:36%;--b:15%;--r:50vw;position:absolute;inset:0;
  clip-path:inset(var(--t) var(--s) var(--b) var(--s) round var(--r) var(--r) 0 0);will-change:clip-path}
.portal-arch img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.portal-arch img.nat{opacity:0}
.portal-arch::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,4,15,.1),rgba(8,4,15,.25) 55%,rgba(8,4,15,.86))}
.portal-glow{position:absolute;inset:0;background:radial-gradient(34% 44% at 50% 56%,rgba(244,196,99,.34),transparent 72%);mix-blend-mode:screen;pointer-events:none}
.portal-title{position:relative;z-index:2;font-size:clamp(3rem,11vw,11rem);line-height:.86;text-align:center;display:grid;pointer-events:none;mix-blend-mode:normal}
.portal-title span,.portal-title em{display:block;will-change:transform}
.portal-cap{position:absolute;left:var(--pad);right:var(--pad);bottom:clamp(22px,5vh,44px);z-index:2;display:flex;justify-content:space-between;gap:20px;
  font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gold2)}
.portal-cap .zh{font-size:1.2em;letter-spacing:.2em}
.portal-next{position:absolute;inset:0;z-index:3;display:grid;place-content:center;text-align:center;gap:20px;opacity:0;visibility:hidden;padding:0 var(--pad)}
.portal-next p{color:var(--muted);max-width:44ch;margin-inline:auto}

/* orbit (12 attractions) */
.orbit{position:relative;padding:clamp(70px,11vh,130px) 0;background:var(--bg)}
.orbit-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;padding:0 var(--pad) clamp(26px,4vh,44px)}
.orbit-head h2{font-size:clamp(2.4rem,5.4vw,5rem)}
.orbit-ring{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px var(--pad) 22px;scrollbar-width:none}
.orbit-ring::-webkit-scrollbar{display:none}
.orbit-card{position:relative;flex:0 0 min(78vw,330px);aspect-ratio:3/4.1;border-radius:18px;overflow:hidden;scroll-snap-align:center;
  border:1px solid rgba(244,196,99,.22);background:var(--bg3);display:block;isolation:isolate}
.orbit-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:opacity .8s var(--ease),transform 1.4s var(--ease)}
.orbit-card img.nat{opacity:0}
.orbit-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,4,15,0) 34%,rgba(8,4,15,.94));z-index:1}
.oc-body{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:18px 18px 20px;display:grid;gap:6px}
.oc-num{position:absolute;left:16px;top:14px;z-index:2;font:600 .7rem var(--sans);letter-spacing:.2em;color:var(--gold2)}
.oc-name{font-family:var(--serif);font-size:1.6rem;line-height:1}
.oc-zh{font-family:var(--cjk);font-weight:600;color:var(--gold);font-size:.95rem;letter-spacing:.1em}
.oc-hook{color:var(--muted);font-size:.84rem;line-height:1.45}
.orbit-info,.orbit-ui{display:none}
.orbit-foot{padding:26px var(--pad) 0;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.orbit-foot p{color:var(--dim);font-size:.82rem}

.orbit-3d .orbit{height:calc(100vh + 12 * 42vh);padding:0}
.orbit-3d .orbit-pin{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;--ch:clamp(250px,43vh,430px);--cw:calc(var(--ch) * .74);--r:calc(var(--cw) * 2.08)}
.orbit-3d .orbit-pin::before{content:"";position:absolute;inset:0;background:
  radial-gradient(46% 40% at 50% 46%,rgba(124,77,255,.32),transparent 72%),
  radial-gradient(60% 26% at 50% 92%,rgba(244,196,99,.14),transparent 70%)}
.orbit-3d .orbit-head{position:absolute;left:0;right:0;top:calc(var(--head-h) + 1.5vh);z-index:3;padding-bottom:0;align-items:flex-start;pointer-events:none}
.orbit-3d .orbit-head h2{font-size:clamp(2rem,4.2vw,3.9rem)}
.orbit-3d .orbit-stage{position:absolute;inset:0;perspective:1700px;perspective-origin:50% 44%;display:grid;place-items:center;padding-bottom:9vh}
.orbit-3d .orbit-ring{display:block;position:relative;overflow:visible;padding:0;width:var(--cw);height:var(--ch);transform-style:preserve-3d;
  transform:translateZ(calc(var(--r) * -1)) rotateX(-5deg) rotateY(var(--rot,0deg));will-change:transform}
.orbit-3d .orbit-card{position:absolute;inset:0;flex:none;aspect-ratio:auto;transform:rotateY(calc(var(--i) * 30deg)) translateZ(var(--r));
  backface-visibility:hidden;filter:brightness(var(--br,1)) saturate(var(--sa,1));box-shadow:0 30px 80px -30px rgba(0,0,0,.9);transition:border-color .5s,box-shadow .5s}
.orbit-3d .orbit-card.is-active{border-color:var(--gold);box-shadow:0 0 0 1px rgba(244,196,99,.5),0 30px 90px -20px rgba(244,196,99,.38)}
.orbit-3d .orbit-card.is-active img.nat{opacity:1}
.orbit-3d .oc-hook{display:none}
.orbit-3d .oc-name{font-size:1.25rem}
.orbit-3d .orbit-info{display:grid;position:absolute;left:50%;bottom:clamp(14px,3.4vh,34px);transform:translateX(-50%);z-index:3;width:min(820px,92vw);
  grid-template-columns:auto 1fr auto;align-items:center;gap:clamp(16px,2.6vw,36px);padding:14px 20px;border:1px solid var(--line);border-radius:22px;
  background:rgba(14,7,32,.72);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.oi-count{font-family:var(--serif);font-size:clamp(2.2rem,4vw,3.4rem);line-height:1;color:var(--gold2);font-variant-numeric:tabular-nums}
.oi-count small{font-size:.38em;color:var(--dim);margin-left:.2em;letter-spacing:.06em}
.oi-text{display:grid;gap:4px;min-width:0}
.oi-hook{color:var(--ink);font-size:.95rem;line-height:1.4}
.oi-metro{color:var(--muted);font-size:.78rem}
.oi-metro b{color:var(--gold);font-weight:600;letter-spacing:.14em;text-transform:uppercase;font-size:.9em;margin-right:.6em}
.oi-go{white-space:nowrap}
.orbit-3d .orbit-ui{display:flex;position:absolute;right:var(--pad);top:calc(var(--head-h) + 2.4vh);z-index:4;gap:10px}
.orbit-ui button{width:50px;height:50px;border-radius:50%;border:1px solid var(--line);color:var(--gold);font-size:1.1rem;transition:background-color .35s,color .35s}
.orbit-ui button:hover{background:var(--gold);color:#1a0d33}
.orbit-3d .orbit-foot{display:none}
.orbit-bar{display:none}
.orbit-3d .orbit-bar{display:block;position:absolute;left:0;right:0;bottom:0;height:2px;background:rgba(167,139,250,.15);z-index:4}
.orbit-bar i{display:block;height:100%;background:var(--gold-grad);transform-origin:left;transform:scaleX(0)}

/* photo spots */
.spots{position:relative;background:linear-gradient(180deg,var(--bg),var(--bg2) 50%,var(--bg))}
.spots-pin{padding:clamp(70px,11vh,130px) 0}
.spots-track{display:flex;gap:clamp(16px,2.6vw,40px);overflow-x:auto;scroll-snap-type:x proximity;padding:0 var(--pad) 26px;scrollbar-width:none;align-items:stretch}
.spots-track::-webkit-scrollbar{display:none}
.spots-intro{flex:0 0 min(84vw,520px);display:grid;align-content:center;gap:22px;scroll-snap-align:start}
.spots-intro h2{font-size:clamp(2.6rem,5.6vw,5.4rem)}
.spot-card{position:relative;flex:0 0 min(78vw,clamp(280px,27vw,430px));display:grid;grid-template-rows:auto 1fr;gap:16px;scroll-snap-align:center}
.spot-card figure{position:relative;aspect-ratio:3/4;border-radius:200px 200px 16px 16px;overflow:hidden;border:1px solid rgba(244,196,99,.2);background:var(--bg3)}
.spot-card:nth-child(even) figure{border-radius:16px}
.spot-card img{position:absolute;left:-8%;top:0;width:116%;max-width:none;height:100%;object-fit:cover;transition:opacity .9s var(--ease)}
.spot-card img.duo{opacity:1}
.spot-card.is-live img.duo,.spot-card:hover img.duo{opacity:0}
.spot-num{position:absolute;left:50%;top:16px;transform:translateX(-50%);z-index:2;font:600 .68rem var(--sans);letter-spacing:.24em;color:#fff4d8;text-shadow:0 1px 10px #000}
.spot-tag{position:absolute;left:14px;bottom:14px;z-index:2;font:600 .66rem var(--sans);letter-spacing:.16em;text-transform:uppercase;padding:.5em .9em;border-radius:999px;
  background:rgba(8,4,15,.72);color:var(--gold2);border:1px solid var(--line);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.spot-meta{display:grid;gap:6px;align-content:start}
.spot-meta h3{font-size:clamp(1.5rem,2.2vw,2rem);line-height:1.02}
.spot-meta .zh{color:var(--gold);font-size:.92rem;letter-spacing:.1em}
.spot-meta p{color:var(--muted);font-size:.86rem;line-height:1.5}
.spots-end{flex:0 0 min(70vw,360px);display:grid;place-content:center;gap:18px;text-align:center;border:1px dashed var(--line);border-radius:24px;padding:30px}
.spots-end b{font-family:var(--serif);font-weight:400;font-size:clamp(2rem,3.4vw,3rem);line-height:1}
.spots-h .spots{height:var(--spots-h,300vh)}
.spots-h .spots-pin{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;display:flex;align-items:center;padding:calc(var(--head-h) + 1vh) 0 2vh}
.spots-h .spots-track{overflow:visible;padding:0 8vw;will-change:transform;scroll-snap-type:none;width:max-content}
.spots-h .spot-card{flex-basis:clamp(240px,calc((100svh - 240px) * .62),400px)}
.spots-h .spots-intro{flex-basis:min(44vw,560px)}

/* films */
.films{padding:clamp(90px,15vh,180px) 0 clamp(70px,11vh,130px);background:var(--bg);overflow:hidden}
.films::before{content:"";position:absolute;left:-20%;top:0;width:70%;height:100%;background:conic-gradient(from 100deg at 0% 30%,transparent 0deg,rgba(244,196,99,.1) 14deg,transparent 30deg);
  filter:blur(20px);pointer-events:none;animation:beam 9s ease-in-out infinite alternate}
@keyframes beam{to{transform:rotate(6deg) translateY(4%)}}
.film-list{margin-top:clamp(36px,6vh,70px);border-top:1px solid var(--line);position:relative}
.film-row{border-bottom:1px solid rgba(167,139,250,.16);position:relative}
.film-row a{display:grid;grid-template-columns:minmax(72px,.5fr) 3fr 1.2fr auto;align-items:center;gap:clamp(12px,2.4vw,40px);padding:clamp(18px,2.6vw,34px) var(--pad);position:relative;isolation:isolate}
.film-row a::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(124,77,255,.26),rgba(244,196,99,.14));transform:scaleY(0);transform-origin:bottom;
  transition:transform .55s var(--ease);z-index:-1}
.film-row a:hover::before,.film-row a:focus-visible::before{transform:scaleY(1)}
.f-year{font-family:var(--serif);font-size:clamp(1.3rem,2.4vw,2.2rem);color:var(--gold);font-variant-numeric:tabular-nums}
.f-title{font-family:var(--serif);font-size:clamp(1.8rem,5vw,4.8rem);line-height:.98;letter-spacing:-.02em;display:grid;gap:.12em;transition:transform .6s var(--ease)}
.f-title .zh{font-size:.3em;color:var(--violet2);letter-spacing:.12em;font-weight:600}
.film-row a:hover .f-title{transform:translateX(clamp(8px,1.6vw,26px))}
.f-dir{color:var(--muted);font-size:.86rem}
.f-more{grid-column:2/-1;color:var(--muted);font-size:.9rem;max-width:70ch;display:grid;grid-template-rows:0fr;transition:grid-template-rows .6s var(--ease),opacity .5s;opacity:0;margin-top:-.6em}
.f-more>span{overflow:hidden}
.film-row a:hover .f-more,.film-row a:focus-visible .f-more{grid-template-rows:1fr;opacity:1;margin-top:0}
.badge{font:600 .64rem var(--sans);letter-spacing:.16em;text-transform:uppercase;padding:.5em .9em;border-radius:999px;border:1px solid var(--line);color:var(--gold2);white-space:nowrap}
.badge.part{border-color:var(--line2);color:var(--violet2)}
.films-foot{padding:clamp(26px,4vh,44px) var(--pad) 0;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
.films-foot p{color:var(--dim);font-size:.84rem;max-width:62ch}

/* routes */
.routes{padding:clamp(90px,15vh,180px) 0 clamp(80px,12vh,150px);background:linear-gradient(180deg,var(--bg),var(--bg2))}
.route-wrap{position:relative;margin:clamp(40px,7vh,90px) auto 0;max-width:1180px;padding:0 var(--pad)}
.route-svg{position:absolute;left:0;top:0;width:100%;height:100%;overflow:visible;pointer-events:none}
.route-svg path{fill:none;stroke-linecap:round}
.route-svg .rp-bg{stroke:rgba(167,139,250,.22);stroke-width:2;stroke-dasharray:2 10}
.route-svg .rp{stroke:url(#rg);stroke-width:3;filter:drop-shadow(0 0 8px rgba(244,196,99,.8))}
.route-svg .rp-dot{fill:#fff4d8;filter:drop-shadow(0 0 10px #f4c463)}
.route-stops{display:grid;gap:clamp(34px,7vh,84px);position:relative}
.route-stop{position:relative;width:min(100%,460px);display:grid;gap:8px;padding:22px 24px 24px;border:1px solid rgba(167,139,250,.18);border-radius:20px;
  background:rgba(14,7,32,.72);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.route-stop:nth-child(even){justify-self:end}
.route-stop::before{content:"";position:absolute;top:34px;width:13px;height:13px;border-radius:50%;background:var(--bg);border:2px solid var(--gold);box-shadow:0 0 0 6px rgba(244,196,99,.12);transition:background-color .5s,box-shadow .5s}
.route-stop:nth-child(odd)::before{right:-58px}.route-stop:nth-child(even)::before{left:-58px}
.route-stop.is-on::before{background:var(--gold);box-shadow:0 0 0 8px rgba(244,196,99,.2),0 0 26px 4px rgba(244,196,99,.7)}
.rs-time{font:600 .68rem var(--sans);letter-spacing:.24em;text-transform:uppercase;color:var(--gold)}
.route-stop h3{font-size:clamp(1.5rem,2.4vw,2.1rem);line-height:1.02}
.route-stop h3 .zh{display:block;font-size:.5em;color:var(--violet2);letter-spacing:.14em;margin-top:.5em}
.rs-metro{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.84rem;color:var(--ink)}
.route-stop p.rs-note{color:var(--muted);font-size:.88rem}
.lb{display:inline-grid;place-items:center;min-width:34px;height:22px;padding:0 7px;border-radius:6px;font:700 .68rem var(--sans);letter-spacing:.04em;color:#fff;background:#666}
.lb.l1{background:#00a2df}.lb.l2{background:#d6002a}.lb.l3{background:#009a44}.lb.l4{background:#7d55c7}.lb.l5{background:#f2b600;color:#1a0d33}.lb.s1{background:#00b2a9}
.routes-foot{padding:clamp(40px,7vh,80px) var(--pad) 0;display:flex;gap:16px;flex-wrap:wrap;justify-content:center}

/* map teaser */
.mapcta{padding:clamp(50px,9vh,120px) var(--pad);background:var(--bg2);perspective:1600px}
.map-card{position:relative;display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:clamp(20px,4vw,60px);border-radius:32px;overflow:hidden;
  border:1px solid var(--line);background:linear-gradient(120deg,#1a0d33,#0e0720 60%);padding:clamp(22px,3.4vw,48px);transform-style:preserve-3d;will-change:transform}
.map-card::before{content:"";position:absolute;inset:0;background:radial-gradient(40% 60% at var(--mx,70%) var(--my,30%),rgba(244,196,99,.2),transparent 70%);pointer-events:none}
.map-shot{position:relative;border-radius:20px;overflow:hidden;aspect-ratio:1024/910;border:1px solid rgba(244,196,99,.3);transform:translateZ(50px);box-shadow:0 40px 90px -40px #000}
.map-shot img{width:100%;height:100%;object-fit:cover;transition:transform 1.6s var(--ease)}
.map-card:hover .map-shot img{transform:scale(1.07)}
.map-copy{display:grid;gap:20px;justify-items:start;transform:translateZ(30px)}
.map-copy h2{font-size:clamp(2.3rem,4.8vw,4.6rem)}
.map-copy p{color:var(--muted);max-width:40ch}

/* faq */
.faq{padding:clamp(90px,15vh,180px) var(--pad);background:var(--bg);display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(30px,6vw,100px);align-items:start}
.faq .sec-head{padding:0;position:sticky;top:calc(var(--head-h) + 30px)}
.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid rgba(167,139,250,.18)}
.faq-list summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:clamp(18px,2.4vw,28px) 0;
  font-family:var(--serif);font-size:clamp(1.3rem,2.2vw,1.9rem);line-height:1.12;transition:color .3s}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:hover{color:var(--gold2)}
.faq-list summary i{flex:none;width:36px;height:36px;border:1px solid var(--line);border-radius:50%;position:relative;transition:transform .5s var(--ease),background-color .4s}
.faq-list summary i::before,.faq-list summary i::after{content:"";position:absolute;left:50%;top:50%;width:13px;height:1.5px;background:var(--gold);transform:translate(-50%,-50%)}
.faq-list summary i::after{transform:translate(-50%,-50%) rotate(90deg);transition:transform .5s var(--ease)}
.faq-list details[open] summary i{background:rgba(244,196,99,.14);transform:rotate(180deg)}
.faq-list details[open] summary i::after{transform:translate(-50%,-50%) rotate(0deg)}
.faq-a{color:var(--muted);padding:0 56px clamp(20px,2.6vw,30px) 0;max-width:68ch}
@supports (interpolate-size:allow-keywords){
  .faq-list{interpolate-size:allow-keywords}
  .faq-list details::details-content{block-size:0;overflow:clip;transition:block-size .55s var(--ease),content-visibility .55s allow-discrete}
  .faq-list details[open]::details-content{block-size:auto}
}

/* finale + footer */
.finale{position:relative;min-height:100vh;min-height:100svh;display:grid;grid-template-rows:1fr auto;padding:calc(var(--head-h) + 4vh) var(--pad) clamp(22px,4vh,40px);
  background:linear-gradient(180deg,var(--bg) 0%,rgba(8,4,15,.3) 26%,rgba(8,4,15,0) 50%,rgba(8,4,15,.75) 100%)}
.finale-top{display:grid;align-content:start;justify-items:center;text-align:center;gap:18px;padding-top:4vh}
.finale-line{font-family:var(--serif);font-size:clamp(2.6rem,8vw,7.4rem);line-height:.9;letter-spacing:-.02em}
.finale-one{display:none;font-family:var(--serif);font-style:italic;font-size:clamp(6rem,24vw,22rem);line-height:.8}
.no-webgl .finale-one,.no-js .finale-one{display:block}
.foot{display:grid;gap:24px;border-top:1px solid var(--line);padding-top:26px}
.foot-nav{display:flex;flex-wrap:wrap;gap:10px 28px;font-size:.9rem;font-weight:500}
.foot-nav a{color:var(--ink);opacity:.86;transition:color .3s,opacity .3s}
.foot-nav a:hover{color:var(--gold);opacity:1}
.foot-note{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;color:var(--dim);font-size:.78rem;line-height:1.55}
.foot-note p{max-width:74ch}
.foot-note a{color:var(--muted);border-bottom:1px solid var(--line)}
.site-foot{position:relative;z-index:1;padding:clamp(50px,8vh,90px) var(--pad) clamp(22px,4vh,40px);background:var(--bg);border-top:1px solid var(--line)}
.site-foot .finale-line{margin-bottom:clamp(30px,5vh,60px)}

/* reveal helpers (JS adds .rv-ready, then .is-in) */
.rv-ready [data-reveal]{opacity:0;transform:translateY(34px)}

/* ───────── subpages ───────── */
.page-hero{position:relative;min-height:74vh;display:grid;align-items:end;padding:calc(var(--head-h) + 60px) var(--pad) clamp(40px,7vh,80px);overflow:hidden;isolation:isolate}
.page-hero .ph-img{position:absolute;inset:-8% 0;z-index:-2}
.page-hero .ph-img img{width:100%;height:100%;object-fit:cover}
.page-hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(8,4,15,.5),rgba(8,4,15,.34) 40%,var(--bg) 97%)}
.ph-in{display:grid;gap:22px;max-width:1100px}
.page-hero h1{font-size:clamp(3.2rem,11vw,10rem);line-height:.86}
.crumbs{display:flex;gap:.7em;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.crumbs a{color:var(--gold)}
.page-body{position:relative;padding:clamp(40px,7vh,90px) var(--pad) clamp(70px,11vh,140px);display:grid;gap:clamp(60px,11vh,150px)}
.toc{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.toc a{font-size:.78rem;padding:.5em 1em;border:1px solid var(--line2);border-radius:999px;color:var(--muted);transition:color .3s,border-color .3s,background-color .3s}
.toc a:hover{color:#1a0d33;background:var(--gold);border-color:var(--gold)}

.place{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(24px,5vw,80px);align-items:center;scroll-margin-top:calc(var(--head-h) + 20px)}
.place:nth-child(even) .place-fig{order:2}
.place-fig{position:relative;border-radius:24px;overflow:hidden;aspect-ratio:4/3;border:1px solid rgba(244,196,99,.2);background:var(--bg3)}
.place-fig.tall{aspect-ratio:3/4;max-height:86vh;border-radius:260px 260px 24px 24px}
.place-fig img{position:absolute;inset:-9% 0;width:100%;height:118%;object-fit:cover;transition:opacity 1s var(--ease)}
.place-fig img.duo{opacity:1}
.place-fig.is-live img.duo,.place-fig:hover img.duo{opacity:0}
.place-fig figcaption{position:absolute;right:12px;bottom:10px;z-index:2;font-size:.62rem;letter-spacing:.06em;color:rgba(255,244,216,.86);background:rgba(8,4,15,.6);padding:.3em .7em;border-radius:999px}
.place-fig figcaption a{border-bottom:1px solid rgba(255,244,216,.4)}
.place-num{font-family:var(--serif);font-size:clamp(3.4rem,7vw,6.6rem);line-height:.8;color:transparent;-webkit-text-stroke:1px rgba(244,196,99,.6)}
.place-body{display:grid;gap:16px;align-content:center}
.place-body h2{font-size:clamp(2.2rem,4.6vw,4.2rem)}
.place-zh{display:flex;flex-wrap:wrap;gap:.4em 1em;align-items:baseline;color:var(--gold)}
.place-zh .zh{font-size:1.2rem;letter-spacing:.14em}
.place-zh i{font-style:italic;font-family:var(--serif);font-size:1.1rem;color:var(--violet2)}
.place-hook{font-family:var(--serif);font-size:clamp(1.25rem,1.9vw,1.6rem);line-height:1.2;color:var(--ink)}
.place-desc{color:var(--muted)}
.facts{display:grid;grid-template-columns:auto 1fr;gap:10px 18px;border-top:1px solid var(--line);padding-top:16px;font-size:.88rem}
.facts dt{font:600 .68rem var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--gold);padding-top:.25em}
.facts dd{color:var(--ink)}
.tagline{display:inline-flex;gap:8px;flex-wrap:wrap}

.film-card{display:grid;grid-template-columns:minmax(0,.42fr) minmax(0,1fr);gap:clamp(20px,5vw,80px);padding-top:clamp(26px,4vh,46px);border-top:1px solid var(--line);scroll-margin-top:calc(var(--head-h) + 20px)}
.film-card .fy{font-family:var(--serif);font-size:clamp(4rem,12vw,11rem);line-height:.8;color:transparent;-webkit-text-stroke:1px rgba(244,196,99,.7)}
.film-card h2{font-size:clamp(2.2rem,5vw,4.6rem)}
.film-card .fc-body{display:grid;gap:16px}
.note-box{border:1px solid var(--line2);border-radius:20px;padding:22px 24px;background:rgba(14,7,32,.7);color:var(--muted);max-width:80ch}
.note-box b{color:var(--gold2)}

.route-block{display:grid;gap:clamp(26px,4vh,46px)}
.route-block>header{display:grid;gap:16px;max-width:900px}
.route-block h2{font-size:clamp(2.4rem,5.6vw,5rem)}
.day-title{font-family:var(--serif);font-size:clamp(1.5rem,2.6vw,2.2rem);color:var(--gold2);margin-top:10px}
.stop-list{display:grid;gap:0;border-top:1px solid var(--line);counter-reset:stop}
.stop-row{display:grid;grid-template-columns:54px minmax(0,1.1fr) minmax(0,1.2fr);gap:clamp(12px,2.6vw,40px);padding:22px 0;border-bottom:1px solid rgba(167,139,250,.16);align-items:start;counter-increment:stop}
.stop-row::before{content:counter(stop,decimal-leading-zero);font-family:var(--serif);font-size:1.6rem;color:var(--gold)}
.stop-row h3{font-size:clamp(1.3rem,2vw,1.8rem);line-height:1.05}
.stop-row h3 .zh{display:block;font-size:.55em;color:var(--violet2);letter-spacing:.14em;margin-top:.45em}
.stop-row .rs-time{display:block;margin-bottom:8px}
.stop-row p{color:var(--muted);font-size:.9rem}

.credit-table{width:100%;border-collapse:collapse;font-size:.86rem}
.credit-table th{text-align:left;font:600 .68rem var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--gold);padding:12px 12px 12px 0;border-bottom:1px solid var(--line)}
.credit-table td{padding:14px 12px 14px 0;border-bottom:1px solid rgba(167,139,250,.14);vertical-align:middle;color:var(--muted)}
.credit-table td:first-child{width:92px}
.credit-table img{width:80px;height:58px;object-fit:cover;border-radius:8px}
.credit-table a{color:var(--ink);border-bottom:1px solid var(--line)}
.prose{display:grid;gap:16px;max-width:76ch;color:var(--muted)}
.prose h2{font-size:clamp(2rem,4vw,3.4rem);color:var(--ink);margin-top:10px}
.prose a{color:var(--gold2);border-bottom:1px solid var(--line)}
.prose ul{display:grid;gap:8px;padding-left:1.1em;list-style:disc}
.prose li::marker{color:var(--gold)}
.next-up{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.next-up a{border:1px solid var(--line2);border-radius:20px;padding:24px;display:grid;gap:10px;transition:border-color .4s,background-color .4s,transform .5s var(--ease)}
.next-up a:hover{border-color:var(--gold);background:rgba(244,196,99,.07);transform:translateY(-4px)}
.next-up b{font-family:var(--serif);font-weight:400;font-size:1.8rem;line-height:1}
.next-up span{color:var(--muted);font-size:.84rem}

.err{min-height:100vh;display:grid;place-content:center;text-align:center;gap:24px;padding:var(--pad)}
.err h1{font-size:clamp(6rem,30vw,22rem);line-height:.8}

/* ───────── responsive ───────── */
@media (max-width:980px){
  .nav{display:none}.menu-btn{display:block}
  .head-cta .btn{display:none}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stats li{padding-left:0;border-right:0;padding-bottom:22px}
  .stats li:nth-child(odd){border-right:1px solid rgba(167,139,250,.14);padding-right:16px}
  .stats li:nth-child(even){padding-left:16px}
  .film-row a{grid-template-columns:auto 1fr;row-gap:6px}
  .f-dir{grid-column:2}.film-row .badge{grid-column:2;justify-self:start}
  .f-more{grid-column:1/-1;grid-template-rows:1fr;opacity:1;margin-top:0}
  .map-card{grid-template-columns:1fr}
  .faq{grid-template-columns:1fr}.faq .sec-head{position:static}
  .route-stop,.route-stop:nth-child(even){justify-self:end;width:calc(100% - 46px)}
  .route-stop:nth-child(odd)::before,.route-stop:nth-child(even)::before{left:-40px;right:auto}
  .place,.film-card{grid-template-columns:1fr}
  .place:nth-child(even) .place-fig{order:0}
  .stop-row{grid-template-columns:40px 1fr}
  .stop-row p{grid-column:2}
  .hero-foot span:nth-child(3){display:none}
  .portal-cap{flex-direction:column;gap:6px;align-items:flex-start}
  .credit-table .hide-s{display:none}
}
@media (max-width:560px){
  :root{--head-h:62px}
  .hero-foot span:nth-child(2){display:none}
  .hero-foot{justify-content:center}
  .portal-arch{--s:19%;--t:25%;--b:20%}
  .faq-a{padding-right:0}
}

/* no JS: everything stacks and shows */
.no-js .hero{height:auto}.no-js .hero-pin{position:relative;height:auto;display:grid;gap:60px;padding-bottom:60px}
.no-js .hero-stage{position:relative;inset:auto;visibility:visible;opacity:1;padding:120px var(--pad) 0}
.no-js .hero-foot{display:none}
.no-js .portal{height:auto}.no-js .portal-pin{position:relative;height:80vh}
.no-js .portal-next{display:none}
.no-js .backdrop{display:block}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .grain{display:none}
  .hero{height:auto}.hero-pin{position:relative;height:auto;display:grid;gap:70px;padding-bottom:70px;overflow:visible}
  .hero-stage{position:relative;inset:auto;visibility:visible!important;opacity:1!important;padding:130px var(--pad) 0}
  .hero-foot{display:none}
  .portal{height:auto}.portal-pin{position:relative;height:86vh}
  .portal-arch{--t:0%;--s:0%;--b:0%;--r:0vw}
  .portal-next{display:none}
}

/* ───────── late additions ───────── */
/* safety net: if scripts never arrive, the loader still gets out of the way */
.preloader{animation:preOut .6s 9s forwards}
@keyframes preOut{to{opacity:0;visibility:hidden}}
/* subpages open with the curtain lifting */
body.sub .curtain{animation:lift 1.1s cubic-bezier(.76,0,.24,1) .05s both}
@keyframes lift{from{transform:translateY(0)}to{transform:translateY(-100%)}}
.marquee{width:max-content}
.marquee-track i{flex:none;width:.13em;height:.13em;background:var(--gold);transform:rotate(45deg);margin:0 .22em;font-size:1em}
.marquee.cjk .marquee-track i{background:var(--violet2)}
/* word masks for split headings */
.wm{display:inline-block;overflow:hidden;vertical-align:top;padding:.1em .18em .2em 0;margin:-.1em -.18em -.2em 0}
.wm>.w{display:inline-block;will-change:transform}
.orbit-card.is-live img.nat,.orbit-card:hover img.nat{opacity:1}
.spots-h .spot-card img{transform:translateX(var(--px,0%))}
a.spots-end{transition:border-color .4s,background-color .4s}
a.spots-end:hover{border-color:var(--gold);background:rgba(244,196,99,.06)}
.rs-metro>span:last-child{min-width:0}
.stop-info{display:grid;gap:8px}
.orbit-ui button{display:grid;place-items:center}
.site-foot .foot{margin-top:0}
.err .lede{max-width:40ch}
.site-head.is-hidden{transform:translateY(-190%)}
.scroll-hint{position:absolute;left:50%;bottom:0;transform:translateX(-50%)}
.finale-stage{display:grid;grid-template-rows:1fr auto}
.finale-cta{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;padding-bottom:clamp(26px,5vh,54px)}
.stats b span{font-size:1em;max-width:none;color:inherit}
/* pinyin needs third-tone vowels the display serif does not carry */
.place-zh i{font-family:"Times New Roman",Times,"Noto Serif","Liberation Serif",serif;font-size:1.02rem}
.f-title .zh{font-size:max(.3em,.8rem)}
.route-stop h3 .zh{font-size:max(.5em,.8rem)}
.stop-row h3 .zh{font-size:max(.55em,.8rem)}
/* phones: the closing screen holds still while the footer slides up over it,
   so the particle "One." never ends up underneath the buttons or the footer text */
@media (max-width:760px){
  .finale{display:block;min-height:0;padding:0;background:none}
  .finale-stage{position:sticky;top:0;min-height:100vh;min-height:100svh;padding:calc(var(--head-h) + 4vh) var(--pad) 0;
    background:linear-gradient(180deg,var(--bg) 0%,rgba(8,4,15,.3) 26%,rgba(8,4,15,0) 50%,rgba(8,4,15,.75) 100%)}
  .finale .foot{position:relative;z-index:2;background:var(--bg);padding:26px var(--pad) clamp(22px,4vh,40px)}
}
@media (max-width:980px){
  .stop-row .stop-info{grid-column:2}
  .stop-row .stop-info p{grid-column:auto}
}