:root{
  --ink:#0b0c09;
  --paper:#f0ede5;
  --paper-2:#e9e3d8;
  --muted:#a9aa9f;
  --gold:#baa06e;
  --line:rgba(15,16,13,.18);
  --white:#f6f3ec;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: -apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
  --header-h:76px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--ink)}
html[data-active-lang="en"] .copy[data-lang="zh"]{display:none!important}
html[data-active-lang="zh"] .copy[data-lang="en"]{display:none!important}
html[data-active-lang="en"] .about-facts.zh{display:none}
html[data-active-lang="zh"] .about-facts:not(.zh){display:none}
body{margin:0;background:var(--ink);color:var(--white);font-family:var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;width:100%}
button,a{font:inherit;color:inherit}
a{text-decoration:none}
button{border:0;background:none}
.mobile-story-progress,.mobile-swipe-hint,.theater-rotate-hint{display:none}
.shell{width:min(1280px,calc(100% - 96px));margin:0 auto}
.full-bleed{position:relative;min-height:100svh;background-image:var(--bg);background-size:cover;background-position:center}
.light-section{background:var(--paper);color:var(--ink)}
.dark-section{background:var(--ink);color:var(--white)}
.site-header{position:fixed;z-index:100;top:0;left:0;width:100%;height:var(--header-h);display:flex;align-items:center;justify-content:space-between;padding:0 36px;color:var(--white);mix-blend-mode:difference;pointer-events:none}
.wordmark,.header-actions{pointer-events:auto}
.wordmark{display:flex;gap:12px;align-items:baseline;font-family:var(--serif);font-size:14px;letter-spacing:.12em}
.wordmark span:last-child{font-family:var(--sans);font-size:10px;letter-spacing:.18em;opacity:.7}
.header-actions{display:flex;align-items:center;gap:26px;text-transform:uppercase;font-size:10px;letter-spacing:.16em}
.sound-toggle{display:inline-flex;align-items:center;gap:8px;padding:8px 0;cursor:pointer;color:inherit;text-transform:uppercase;letter-spacing:.14em}
.sound-bars{width:14px;height:12px;display:inline-flex;align-items:flex-end;justify-content:center;gap:2px}
.sound-bars i{display:block;width:2px;height:3px;background:currentColor;opacity:.72;transform-origin:bottom}
.sound-toggle[data-playing="true"] .sound-bars i{animation:sound-pulse .9s ease-in-out infinite alternate}
.sound-toggle[data-playing="true"] .sound-bars i:nth-child(2){animation-delay:-.45s}
.sound-toggle[data-playing="true"] .sound-bars i:nth-child(3){animation-delay:-.2s}
.sound-toggle[aria-pressed="true"] .sound-off,.sound-toggle[aria-pressed="false"] .sound-on{display:none}
.site-bgm{display:none}
.lang-toggle{cursor:pointer;display:flex;align-items:center;gap:8px;color:inherit;text-transform:uppercase;letter-spacing:.15em;padding:8px}
.lang-toggle i{display:block;width:20px;height:1px;background:currentColor;opacity:.5}
.header-contact{padding:8px 0}
@keyframes sound-pulse{from{height:3px;opacity:.46}to{height:12px;opacity:1}}
.hero{background-position:center 58%;overflow:hidden}
.hero::after,.manifesto::after,.why-golf::after,.contact::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 140px rgba(0,0,0,.28);pointer-events:none}
.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,7,5,.86) 0%,rgba(5,7,5,.55) 36%,rgba(5,7,5,.08) 73%),linear-gradient(0deg,rgba(5,7,5,.52),transparent 45%)}
.hero-content{position:relative;z-index:2;min-height:100svh;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding-top:var(--header-h)}
.eyebrow,.section-index{font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:rgba(246,243,236,.68);margin:0 0 30px}
.section-index.dark{color:rgba(11,12,9,.56)}
.display{font-family:var(--serif);font-weight:400;font-size:clamp(56px,7.6vw,132px);line-height:.91;letter-spacing:-.045em;margin:0;max-width:980px}
.hero-deck{font-family:var(--serif);font-size:clamp(18px,1.7vw,27px);line-height:1.35;margin:36px 0 0;color:rgba(246,243,236,.8)}
.enter-link{display:flex;align-items:center;gap:22px;margin-top:70px;font-size:10px;letter-spacing:.18em;text-transform:uppercase}
.enter-line{width:72px;height:1px;background:var(--gold);transition:width .4s ease}
.enter-link:hover .enter-line{width:112px}
.hero-index{position:absolute;z-index:2;right:36px;bottom:30px;font-size:10px;letter-spacing:.18em;color:rgba(255,255,255,.55)}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .9s cubic-bezier(.22,.72,.17,1),transform .9s cubic-bezier(.22,.72,.17,1)}
.reveal.is-visible{opacity:1;transform:none}
.delay-1{transition-delay:.12s}.delay-2{transition-delay:.24s}.delay-3{transition-delay:.36s}
.manifesto{min-height:92svh;background-position:center;display:flex;align-items:center}
.manifesto-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,8,6,.72),rgba(6,8,6,.12)),linear-gradient(0deg,rgba(6,8,6,.32),transparent 55%)}
.manifesto-overlay.darker{background:linear-gradient(90deg,rgba(6,8,6,.18),rgba(6,8,6,.74)),linear-gradient(0deg,rgba(6,8,6,.42),transparent)}
.manifesto-overlay.soft{background:rgba(6,8,6,.34)}
.manifesto-copy{position:relative;z-index:2}
.manifesto-copy.align-right{text-align:right;display:flex;justify-content:flex-end}
.center-copy{text-align:center}
.manifesto-line,.manifesto-final{font-family:var(--serif);font-weight:400;font-size:clamp(54px,7vw,112px);line-height:.94;letter-spacing:-.035em;margin:0}
.manifesto-paragraph{font-family:var(--serif);font-size:clamp(30px,4.4vw,74px);line-height:1.04;max-width:900px;margin:0}
.manifesto-final{font-size:clamp(48px,6.5vw,102px)}
.case-intro{padding:150px 0 170px}
.case-grid{display:grid;grid-template-columns:.8fr 1.4fr;gap:90px;align-items:end}
.case-title,.proof-title,.method-title,.offering-title,.about-title,.contact-title,.why-title{font-family:var(--serif);font-weight:400;letter-spacing:-.04em;margin:0}
.case-title{font-size:clamp(70px,8vw,132px);line-height:.88}
.case-subtitle{font-family:var(--serif);font-size:28px;margin:32px 0 12px}
.case-meta{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:rgba(11,12,9,.55)}
.case-strip{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px;align-items:end}
.case-frame{margin:0;aspect-ratio:4/5;overflow:hidden;background:#ddd}
.case-frame:nth-child(2){transform:translateY(54px)}
.case-frame img{height:100%;object-fit:cover;transition:transform .8s ease}
.case-frame:hover img{transform:scale(1.035)}
.film{min-height:100svh;display:grid;grid-template-columns:1.38fr .82fr}
.light-film{background:var(--paper);color:var(--ink);grid-template-columns:.82fr 1.38fr}
.film-visual{background-image:var(--bg);background-size:cover;background-position:center;min-height:100svh}
.film3-collage{background-position:center}
.film-copy{padding:calc(var(--header-h) + 70px) 64px 70px;display:flex;flex-direction:column;justify-content:center}
.film-category{font-size:10px;letter-spacing:.22em;margin:0 0 24px;color:var(--gold)}
.film-category.dark{color:#7e6a45}
.film-title{font-family:var(--serif);font-size:clamp(58px,6.7vw,110px);font-weight:400;line-height:.88;letter-spacing:-.05em;margin:0}
.film-title.dark,.film-cn.dark,.film-description.dark{color:var(--ink)}
.film-cn{font-family:var(--serif);font-size:22px;margin:18px 0 0;color:rgba(246,243,236,.66)}
.film-description{font-family:var(--serif);font-size:22px;line-height:1.45;color:rgba(246,243,236,.74);max-width:470px;margin:52px 0}
.play-film{display:inline-flex;align-items:center;gap:16px;width:max-content;cursor:pointer;font-size:10px;letter-spacing:.18em;text-transform:uppercase;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.35)}
.dark-button{color:var(--ink);border-color:rgba(11,12,9,.3)}
.play-icon{width:38px;height:38px;border:1px solid currentColor;border-radius:50%;position:relative;display:inline-block}
.play-icon::after{content:"";position:absolute;left:15px;top:11px;border-left:9px solid currentColor;border-top:7px solid transparent;border-bottom:7px solid transparent}
.method{padding:150px 0 0}
.method-head{padding-bottom:90px}
.method-title{font-size:clamp(68px,8vw,132px);line-height:.88}
.method-deck{font-family:var(--serif);font-size:28px;color:rgba(246,243,236,.7);margin:34px 0 0}
.method-panels{display:grid;grid-template-columns:repeat(3,1fr);min-height:78svh}
.method-panel{position:relative;background-image:var(--bg);background-size:cover;background-position:center;overflow:hidden;display:flex;align-items:flex-end;min-height:78svh;border-top:1px solid rgba(255,255,255,.12);border-right:1px solid rgba(255,255,255,.12)}
.method-panel:last-child{border-right:0}
.method-panel::before{content:"";position:absolute;inset:0;background-image:var(--bg);background-size:cover;background-position:center;transition:transform 1s cubic-bezier(.2,.75,.2,1)}
.method-panel:hover::before{transform:scale(1.035)}
.method-shade{position:absolute;inset:0;background:linear-gradient(0deg,rgba(4,6,4,.86),rgba(4,6,4,.06) 70%)}
.method-panel-copy{position:relative;z-index:2;padding:40px 34px 46px}
.method-panel-copy>span{font-family:var(--serif);font-size:22px;color:var(--gold)}
.method-panel-copy h3{font-family:var(--serif);font-size:30px;font-weight:400;margin:16px 0 12px}
.method-panel-copy p{line-height:1.55;color:rgba(246,243,236,.68);max-width:350px;margin:0}
.proof{padding:150px 0 170px}
.proof-heading-row{display:flex;justify-content:space-between;gap:60px;align-items:flex-end}
.proof-title{font-size:clamp(70px,7.5vw,126px);line-height:.88}
.proof-note{font-family:var(--serif);font-size:23px;line-height:1.45;max-width:420px;margin:0 0 10px}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:110px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.metric{min-width:0;padding:38px 24px 40px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric-icon{width:21px;height:21px;display:block;margin-bottom:34px;color:#8e784d}
.metric-icon svg{display:block;width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.metric strong{font-family:var(--serif);font-weight:400;font-size:64px;letter-spacing:-.04em;display:block}
.metric span{font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:rgba(11,12,9,.56);line-height:1.5}
.metric>.metric-icon{color:#8e784d}
.proof-source{display:flex;align-items:center;justify-content:space-between;gap:32px;margin-top:38px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.proof-platforms{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.proof-platforms>span{padding:7px 11px;border:1px solid var(--line);border-radius:999px;font-size:9px;line-height:1;text-transform:uppercase;letter-spacing:.11em;color:rgba(11,12,9,.67)}
.proof-snapshot{margin:0;font-size:9px;line-height:1.4;text-transform:uppercase;letter-spacing:.11em;color:rgba(11,12,9,.48);text-align:right}
.offering{padding:150px 0 170px}
.offering-title{font-size:clamp(70px,8vw,134px);line-height:.86}
.offering-grid{display:grid;grid-template-columns:1fr 1fr;margin-top:110px;border-top:1px solid rgba(255,255,255,.16)}
.offering-item{padding:48px 40px 58px 0;border-bottom:1px solid rgba(255,255,255,.16);display:grid;grid-template-columns:52px 1fr;column-gap:24px}
.offering-item:nth-child(odd){border-right:1px solid rgba(255,255,255,.16)}
.offering-item:nth-child(even){padding-left:42px}
.offering-item span:first-child{font-family:var(--serif);font-size:24px;color:var(--gold);grid-row:1/3}
.offering-item h3{font-family:var(--serif);font-weight:400;font-size:30px;margin:0 0 12px}
.offering-item p{margin:0;line-height:1.6;color:rgba(246,243,236,.65);max-width:440px}
.why-golf{min-height:110svh;background-position:center;display:flex;align-items:center}
.why-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,8,6,.78),rgba(6,8,6,.18)),linear-gradient(0deg,rgba(6,8,6,.55),transparent)}
.why-content{position:relative;z-index:2;padding:120px 0}
.why-title{font-size:clamp(58px,7vw,112px);line-height:.9;max-width:1180px}
.why-body{font-family:var(--serif);font-size:24px;line-height:1.45;max-width:680px;margin:60px 0 0;color:rgba(246,243,236,.75)}
.why-signoff{font-family:var(--serif);font-size:32px;margin:90px 0 0;max-width:780px}
.about{display:grid;grid-template-columns:1.08fr .92fr;min-height:100svh}
.about-visual{background-image:var(--bg);background-size:cover;background-position:center;min-height:100svh}
.about-copy{padding:calc(var(--header-h) + 80px) 7vw 70px;display:flex;flex-direction:column;justify-content:center}
.about-title{font-size:clamp(44px,4.9vw,82px);line-height:.96}
.about-facts{margin-top:60px;border-top:1px solid var(--line)}
.about-facts p{margin:0;padding:16px 0;border-bottom:1px solid var(--line);font-size:13px;letter-spacing:.03em;color:rgba(11,12,9,.66)}
.contact{min-height:100svh;background-position:center;display:flex;align-items:center}
.contact-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,5,3,.82),rgba(3,5,3,.12)),linear-gradient(0deg,rgba(3,5,3,.48),transparent)}
.contact-content{position:relative;z-index:2;padding:120px 0}
.contact-title{font-size:clamp(68px,9vw,148px);line-height:.84;max-width:1050px}
.contact-deck{font-family:var(--serif);font-size:24px;line-height:1.5;margin:50px 0 0;max-width:650px;color:rgba(246,243,236,.74)}
.contact-links{margin-top:70px;display:flex;gap:36px;flex-wrap:wrap;font-size:11px;letter-spacing:.12em;text-transform:uppercase}
.contact-links a{border-bottom:1px solid rgba(255,255,255,.45);padding-bottom:5px}
.theater{position:fixed;z-index:999;inset:0;background:rgba(4,5,4,.97);display:none;align-items:center;justify-content:center;padding:70px 5vw}
.theater.is-open{display:flex}
.theater-inner{width:min(1200px,100%);position:relative}
.theater-video{display:block;width:100%;max-height:78svh;background:#000;box-shadow:0 30px 90px rgba(0,0,0,.5)}
.theater-title{font-family:var(--serif);font-size:22px;margin-bottom:14px;color:rgba(255,255,255,.72)}
.theater-close{position:absolute;right:24px;top:18px;z-index:2;color:#fff;font-size:42px;line-height:1;cursor:pointer;padding:10px}
@media (orientation:landscape) and (max-width:1000px) and (max-height:600px){
  .theater.is-open{display:flex;align-items:center;justify-content:center;padding:0}
  .theater-inner{position:fixed;inset:0;width:100vw;max-width:none;height:100vh;height:100dvh;display:flex;align-items:center;justify-content:center}
  .theater-video{width:100%;height:100%;max-height:none;object-fit:contain;box-shadow:none}
  .theater-title,.theater-rotate-hint{display:none}
  .theater-close{right:max(8px,env(safe-area-inset-right,0px));top:max(8px,env(safe-area-inset-top,0px))}
}
@media (max-width:1000px){
  .shell{width:min(100% - 48px,900px)}
  .site-header{padding:0 20px;height:64px}
  .wordmark span:last-child{display:none}
  .header-contact{display:none}
  .hero-content{padding-top:64px}
  .display{font-size:clamp(54px,14vw,92px)}
  .hero-deck{font-size:20px;max-width:330px}
  .hero-index{right:20px}
  .manifesto-line,.manifesto-final{font-size:clamp(48px,13vw,82px)}
  .manifesto-paragraph{font-size:clamp(32px,9vw,56px)}
  .case-intro{padding:110px 0 125px}
  .case-grid{grid-template-columns:minmax(0,1fr);gap:70px}
  .case-strip{gap:8px}
  .case-frame:nth-child(2){transform:translateY(28px)}
  .film,.light-film{grid-template-columns:1fr;min-height:auto}
  .film-visual{min-height:64svh;order:1}
  .film-copy{min-height:78svh;order:2;padding:90px 28px 80px}
  .light-film .film-copy{order:2}.light-film .film-visual{order:1}
  .film-title{font-size:clamp(56px,15vw,90px)}
  .method{padding-top:110px}
  .method-panels{grid-template-columns:1fr;min-height:auto}
  .method-panel{min-height:72svh;border-right:0;border-bottom:1px solid rgba(255,255,255,.12)}
  .method-panel-copy{padding:34px 24px 42px}
  .proof{padding:110px 0 120px}
  .proof-heading-row{display:block}
  .proof-note{margin-top:34px}
  .metrics{grid-template-columns:1fr 1fr;margin-top:70px}
  .metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .offering{padding:110px 0 120px}
  .offering-grid{grid-template-columns:1fr;margin-top:70px}
  .offering-item:nth-child(odd){border-right:0}
  .offering-item:nth-child(even){padding-left:0}
  .why-golf{min-height:100svh}
  .about{grid-template-columns:minmax(0,1fr)}
  .case-grid>*,.about>*{min-width:0}
  .about-visual{min-height:62svh}
  .about-copy{padding:90px 24px 100px}
  .contact-links{flex-direction:column;gap:18px}
}
@media (max-width:560px){
  :root{--header-h:60px}
  .shell{width:calc(100% - 36px)}
  .wordmark{font-size:12px}
  .hero{background-position:58% center}
  .hero-shade{background:linear-gradient(0deg,rgba(4,6,4,.82),rgba(4,6,4,.1) 72%),linear-gradient(90deg,rgba(4,6,4,.54),rgba(4,6,4,.04))}
  .hero-content{justify-content:flex-end;padding-bottom:70px}
  .eyebrow{margin-bottom:20px}
  .display{font-size:clamp(52px,17vw,78px)}
  .enter-link{margin-top:44px}
  .hero-index{bottom:20px}
  .manifesto{min-height:84svh}
  .manifesto-copy{padding:60px 0}
  .manifesto-one{background-position:65% center}.manifesto-two{background-position:43% center}.manifesto-three{background-position:55% center}
  .manifesto-copy.align-right{text-align:left;justify-content:flex-start}
  .center-copy{text-align:left}
  .case-title{font-size:clamp(50px,14vw,64px)}
  .case-subtitle{font-size:22px}
  .case-strip{grid-template-columns:1fr 1fr;gap:8px}
  .case-frame{aspect-ratio:3/4}.case-frame:nth-child(2){transform:none}.case-frame:nth-child(3){grid-column:1/-1;aspect-ratio:16/9}
  .film-visual{min-height:58svh}
  .film-one .film-visual,.film-two .film-visual{background-image:var(--bg-mobile,var(--bg))}
  .film-one .film-visual{background-position:42% center}
  .film-two .film-visual{background-position:52% center}
  .film-three .film-visual{background-position:center}
  .film-copy{min-height:auto;padding:78px 20px 86px}
  .film-description{font-size:20px;margin:42px 0}
  .method-title,.offering-title,.proof-title,.why-title,.contact-title{font-size:clamp(54px,16vw,80px)}
  .method-title,.why-title{font-size:clamp(46px,13vw,64px)}
  .method-deck{font-size:21px}
  .method-panel{min-height:68svh}
  .metrics{grid-template-columns:1fr}
  .metric{border-right:0!important;border-bottom:1px solid var(--line)!important;padding:32px 0}
  .metric:last-child{border-bottom:0!important}
  .offering-item{grid-template-columns:40px 1fr;padding:38px 0 44px}
  .offering-item h3{font-size:25px}
  .why-title{line-height:.93}
  .why-body{font-size:20px;margin-top:42px}
  .why-signoff{font-size:25px;margin-top:58px}
  .about-title{font-size:clamp(36px,10vw,44px)}
  .contact-title{font-size:clamp(46px,13vw,64px)}
  .about-visual{min-height:56svh;background-position:center}
  .theater{padding:64px 12px 22px}
  .theater-close{right:6px;top:6px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .hero-content,.method-panel::before,.case-frame img{transition:none}
}