:root{--bg:#09131e;--bg-soft:#0d1b2a;--ink:#f1f2f0;--muted:#aeb9c2;--faint:#7f93a3;--line:rgba(188,207,221,.18);--accent:#62b9d4}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
a:focus-visible{outline:2px solid var(--accent);outline-offset:5px}
.skip-link{position:absolute;left:-9999px;top:8px;z-index:10;padding:12px 16px;background:var(--ink);color:var(--bg)}
.skip-link:focus{left:8px}
.shell{width:min(100% - 9vw,1440px);margin-inline:auto}
.site-header{position:absolute;inset:0 0 auto;z-index:2}
.header-inner{height:112px;display:flex;align-items:center;justify-content:space-between;gap:40px;border-bottom:1px solid rgba(255,255,255,.12)}
.brand{display:flex;flex-direction:column;gap:5px;flex:none;line-height:1}
.brand-en{font-size:21px;font-weight:500;letter-spacing:.16em}
.brand-zh{font-size:12px;letter-spacing:.36em;color:#d7e0e5}
.site-nav{display:flex;gap:clamp(22px,3.6vw,60px);align-items:center}
.site-nav a{font-size:14px;white-space:nowrap;color:#e4e9ec;transition:color .2s}
.site-nav a:hover{color:var(--accent)}
.hero{position:relative;min-height:min(820px,91vh);display:flex;align-items:center;overflow:hidden;background:#08121e}
.hero-image{position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(4,13,23,.75) 0%,rgba(4,13,23,.38) 39%,rgba(4,13,23,0) 69%),url("assets/film-layers-hero.png");background-size:cover;background-position:center right}
.hero::after{content:"";position:absolute;inset:auto 0 0;height:22%;background:linear-gradient(0deg,rgba(6,16,25,.44),transparent);pointer-events:none}
.hero-inner{position:relative;z-index:1;min-height:inherit;display:flex;align-items:center}
.hero-copy{width:min(750px,62%);padding:160px 0 145px}
.eyebrow,.section-label,.item-no,.detail-label,.about-footnote,.hero-aside,.hero-index{font-family:Inter,"Helvetica Neue",Arial,sans-serif;font-size:10px;letter-spacing:.23em;font-weight:500}
.eyebrow{display:flex;align-items:center;gap:18px;color:#d4e1e7;margin:0 0 40px}
.eyebrow-line{width:32px;height:1px;background:var(--ink)}
h1,h2,h3,p{margin-top:0}
h1,h2{font-weight:400;font-family:"Songti SC","Noto Serif CJK SC","Source Han Serif SC",serif}
h1{font-size:clamp(58px,6.3vw,112px);line-height:1.17;letter-spacing:.035em;margin-bottom:30px;text-wrap:balance}
.hero-lead{max-width:600px;font-size:clamp(16px,1.35vw,20px);line-height:1.9;letter-spacing:.035em;color:#e0e9ee;margin-bottom:42px}
.text-link{display:inline-flex;align-items:center;justify-content:space-between;gap:48px;font-size:14px;letter-spacing:.06em}
.hero-link{border:1px solid rgba(120,198,225,.65);min-width:178px;padding:16px 21px;transition:background .2s,border-color .2s}
.hero-link:hover{background:rgba(98,185,212,.12);border-color:var(--accent)}
.hero-aside{position:absolute;right:0;top:25%;line-height:1.7;color:#d8e2e7}
.hero-index{position:absolute;left:0;bottom:35px;color:#d0dbe1}
.section{scroll-margin-top:30px}
.section-grid{display:grid;grid-template-columns:minmax(165px,23%) 1fr;gap:clamp(30px,6vw,108px)}
.section-label{display:flex;align-items:flex-start;gap:25px;color:var(--faint);padding-top:11px;white-space:nowrap}
.section-no{color:var(--accent);font-size:11px;letter-spacing:.1em}
.section-main{min-width:0}
.section-kicker{font-size:13px;letter-spacing:.18em;color:var(--accent);margin:0 0 27px}
h2{font-size:clamp(43px,5vw,76px);line-height:1.32;letter-spacing:.035em;margin:0 0 34px}
.about{padding:clamp(100px,11vw,180px) 0;background:#0b1724}
.about-text{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,90px);max-width:990px}
.about-text p,.section-intro,.focus-body p,.approach-lead{font-size:16px;line-height:2.05;color:var(--muted)}
.about-text p{margin-bottom:0}
.editorial-visual{margin:0}
.editorial-visual img{display:block;width:100%;height:auto;object-fit:cover;background:#152639}
.film-visual{margin-top:75px;max-width:990px}
.film-visual img{aspect-ratio:1.95;object-position:center 43%}
.about-footnote{color:var(--faint);margin:58px 0 0}
.focus{padding:clamp(95px,10vw,165px) 0;background:#09131e}
.focus-heading{margin-bottom:66px}
.section-intro{max-width:640px;margin:0}
.deposition-visual{margin-bottom:78px}
.deposition-visual img{aspect-ratio:2.35;object-position:center 55%}
.focus-list{border-top:1px solid var(--line)}
.focus-item{display:grid;grid-template-columns:minmax(165px,23%) 1fr auto;gap:clamp(30px,6vw,108px);padding:42px 0 48px;border-bottom:1px solid var(--line);transition:background .2s}
.focus-item:hover{background:rgba(255,255,255,.025)}
.item-no{padding-top:11px;color:var(--faint)}
.focus-body{display:grid;grid-template-columns:minmax(170px,32%) 1fr;gap:40px;align-items:start}
h3{font-weight:400;font-family:"Songti SC","Noto Serif CJK SC","Source Han Serif SC",serif;font-size:clamp(25px,2.3vw,35px);line-height:1.4;margin:0}
.focus-body p{max-width:500px;margin:2px 0 0}
.item-mark{font-size:20px;color:var(--accent);padding-top:5px}
.approach{padding:clamp(110px,12vw,190px) 0;background:#0e1c2a}
.approach-lead{max-width:700px;font-size:clamp(18px,1.75vw,24px);color:#d2dce2;line-height:2;margin-bottom:65px}
.approach-words{display:flex;align-items:center;gap:clamp(16px,3vw,50px);border-top:1px solid var(--line);padding-top:25px;color:#e8edef;letter-spacing:.1em;font-size:14px;flex-wrap:wrap}
.approach-words span:nth-child(even){color:var(--accent)}
.contact{padding:clamp(100px,11vw,170px) 0;background:#09131e}
.contact-details{border-top:1px solid var(--line);max-width:800px}
.contact-details>div{display:grid;grid-template-columns:180px 1fr;gap:30px;padding:26px 0;border-bottom:1px solid var(--line);align-items:center}
.detail-label{color:var(--faint)}
.contact-details a,.contact-details span:not(.detail-label){font-size:17px;color:#e5ecf0}
.contact-details a:hover{color:var(--accent)}
.contact-details a span{margin-left:10px;color:var(--accent)}
.site-footer{border-top:1px solid var(--line);background:#070f18;padding:35px 0 42px}
.footer-inner{display:flex;justify-content:space-between;gap:30px;color:var(--faint);font-size:12px;line-height:1.8}
.footer-inner>div{display:flex;gap:20px;flex-wrap:wrap}
.footer-brand{letter-spacing:.15em;color:#c9d7df}
.site-footer a:hover{color:var(--accent)}
@media(max-width:900px){
  .header-inner{height:auto;min-height:92px;padding:22px 0;align-items:flex-start}
  .site-nav{gap:16px 24px;justify-content:flex-end;flex-wrap:wrap;max-width:390px}
  .site-nav a{font-size:12px}
  .hero{min-height:740px}
  .hero-image{background-position:58% center}
  .hero-copy{width:min(620px,82%)}
  .section-grid{grid-template-columns:150px 1fr;gap:30px}
  .focus-item{grid-template-columns:150px 1fr auto;gap:30px}
  .focus-body{grid-template-columns:1fr;gap:14px}
}
@media(max-width:620px){
  .shell{width:min(100% - 40px,1440px)}
  .header-inner{display:block;min-height:0;border-bottom:0}
  .brand-en{font-size:17px}
  .brand-zh{font-size:10px}
  .site-nav{justify-content:flex-start;gap:10px 18px;margin-top:25px;max-width:none}
  .site-nav a{font-size:11px}
  .hero{min-height:735px;align-items:flex-end}
  .hero-image{background-image:linear-gradient(0deg,rgba(4,13,23,.94) 2%,rgba(4,13,23,.55) 43%,rgba(4,13,23,.15) 100%),url("assets/film-layers-hero.png");background-position:64% center}
  .hero-inner{align-items:flex-end}
  .hero-copy{width:100%;padding:225px 0 115px}
  .eyebrow{font-size:9px;margin-bottom:28px}
  h1{font-size:clamp(45px,12vw,66px);line-height:1.26}
  .hero-lead{font-size:15px;line-height:1.85;max-width:360px}
  .hero-aside{display:none}
  .hero-index{bottom:28px}
  .section-grid{display:block}
  .section-label{margin-bottom:35px}
  h2{font-size:clamp(39px,10vw,52px)}
  .about,.focus,.approach,.contact{padding:85px 0}
  .about-text{display:block}
  .about-text p+p{margin-top:22px}
  .about-footnote{margin-top:60px}
  .focus-heading{margin-bottom:55px}
  .film-visual{margin-top:48px}
  .film-visual img{aspect-ratio:1.2;object-position:65% center}
  .deposition-visual{margin-bottom:55px}
  .deposition-visual img{aspect-ratio:1.15;object-position:43% center}
  .focus-item{display:grid;grid-template-columns:1fr auto;gap:18px;padding:33px 0}
  .item-no{grid-column:1/-1;padding-top:0}
  .focus-body{display:block}
  .focus-body p{margin-top:12px;font-size:15px}
  .item-mark{font-size:17px}
  .approach-lead{font-size:18px}
  .approach-words{gap:12px;font-size:12px}
  .contact-details>div{grid-template-columns:1fr;gap:10px}
  .contact-details a,.contact-details span:not(.detail-label){font-size:15px}
  .footer-inner{display:block}
  .footer-inner>div+div{margin-top:16px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition-duration:.01ms!important}}