:root{
  --ink:#0e0c0a;
  --paper:#f3efe6;
  --mist:#b8b0a4;
  --line:rgba(243,239,230,.12);
  --brass:#c4a06c;
  --gutter:clamp(1.4rem,5vw,4.5rem);
  --display:"Songti SC","STSong","Noto Serif SC",Georgia,serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ink);color:var(--paper);font:17px/1.75 var(--sans)}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
.skip{position:absolute;left:-999px;top:0;background:#fff;color:var(--ink);padding:.6rem 1rem;z-index:90}
.skip:focus{left:1rem;top:1rem}

.intro{
  position:fixed;inset:0;z-index:80;display:grid;place-items:center;
  background:#0c0a08;color:#fff;
}
.intro-mark{text-align:center}
.mark{display:block;object-fit:contain;filter:brightness(0) invert(1)}
.intro-mark .mark{
  width:clamp(120px,16vw,180px);height:auto;margin:0 auto 1.5rem;
  animation:rise 1.1s ease both;
}
.intro-en{
  margin:0;font-family:var(--display);font-size:clamp(2.4rem,8vw,5.6rem);
  letter-spacing:.12em;line-height:.92;text-transform:uppercase;
  animation:rise 1.1s ease .12s both;
}
.intro-cn{
  margin:1.35rem 0 0;font-family:var(--display);letter-spacing:.48em;
  font-size:clamp(1.9rem,5vw,3.4rem);opacity:.95;
  animation:rise 1.1s ease .24s both;
}
.intro-line{
  display:block;width:0;height:1px;margin:1.6rem auto 0;background:var(--brass);
  animation:draw 1.1s ease .5s both;
}
.intro-skip{
  position:absolute;right:var(--gutter);bottom:1.6rem;
  background:none;border:0;color:rgba(242,238,231,.7);letter-spacing:.18em;
  font:inherit;cursor:pointer;
}
.intro.is-out{animation:lift .9s ease forwards;pointer-events:none}
body.is-intro{overflow:hidden}

.nav{
  position:fixed;inset:0 0 auto;z-index:40;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:1.05rem var(--gutter);
  background:linear-gradient(to bottom, rgba(10,9,8,.62), transparent);
}
.nav.is-solid{background:rgba(14,12,10,.9);backdrop-filter:blur(14px)}
.brand{display:inline-flex;align-items:center;gap:.75rem;text-decoration:none;color:#fff}
.brand .mark{width:40px;height:40px;flex-shrink:0}
.brand span{font-family:var(--display);font-size:1.15rem;letter-spacing:.32em}
.nav-wide{display:flex;flex-wrap:wrap;gap:.2rem 1.55rem}
.nav-wide a,.menu nav a{
  text-decoration:none;color:rgba(242,238,231,.8);
  font-size:.82rem;letter-spacing:.16em;
}
.nav-wide a:hover,.menu nav a:hover{color:#fff}
.menu{display:none;position:relative}
.menu summary{
  list-style:none;cursor:pointer;letter-spacing:.18em;font-size:.82rem;
  color:rgba(242,238,231,.8);
}
.menu summary::-webkit-details-marker{display:none}
.menu nav{
  position:absolute;right:0;top:calc(100% + .8rem);
  display:flex;flex-direction:column;gap:.85rem;
  min-width:10rem;padding:1rem 1.1rem 1.15rem;
  background:rgba(14,12,10,.96);border:1px solid var(--line);
}

.hero{position:relative;min-height:100svh;display:grid;align-items:end;overflow:hidden}
.hero-media,.hero-veil{position:absolute;inset:0}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center 42%;transform:scale(1.06);animation:kenburns 18s ease-out forwards}
.hero-veil{
  background:
    linear-gradient(180deg, rgba(10,9,8,.22) 0%, rgba(10,9,8,.08) 38%, rgba(10,9,8,.78) 100%),
    linear-gradient(90deg, rgba(10,9,8,.38) 0%, transparent 52%);
}
.hero-copy{
  position:relative;z-index:2;
  padding:clamp(7rem,16vh,10rem) var(--gutter) clamp(3.8rem,10vh,6.2rem);
  max-width:44rem;
}
.eyebrow{margin:0;color:var(--brass);font-size:.72rem;letter-spacing:.32em;text-transform:uppercase}
.hero h1{
  margin:.85rem 0 0;font-family:var(--display);
  font-size:clamp(3.6rem,9vw,7rem);font-weight:500;
  letter-spacing:.36em;line-height:.92;text-indent:.08em;
}
.hero-line{margin:1.35rem 0 0;letter-spacing:.32em;font-size:1.02rem}
.hero-sub{margin:.55rem 0 0;color:rgba(242,238,231,.72);letter-spacing:.08em}
.hero-cta{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:2.1rem}
.btn{
  display:inline-flex;align-items:center;justify-content:center;min-height:3rem;
  padding:0 1.5rem;border:1px solid rgba(242,238,231,.88);color:#fff;text-decoration:none;
  letter-spacing:.18em;font-size:.8rem;
}
.btn:hover{background:#fff;color:var(--ink)}
.btn-ghost{border-color:rgba(242,238,231,.32)}

.section-head{
  display:grid;gap:1rem 3rem;align-items:end;
  padding:0 var(--gutter) 2.3rem;
}
@media(min-width:820px){.section-head{grid-template-columns:minmax(16rem,1fr) minmax(16rem,28rem)}}
h2{margin:.55rem 0 0;font-family:var(--display);font-size:clamp(2rem,4.4vw,3rem);font-weight:500;letter-spacing:.12em;line-height:1.15}
.section-head p,.way p,.about p{margin:0;color:var(--mist);max-width:36rem}

.cases{padding:clamp(4.6rem,10vh,7rem) 0 1rem}
.case-stage{
  display:grid;gap:10px;padding:0 var(--gutter);
  grid-template-columns:1.4fr 1fr;
  grid-template-rows:minmax(240px,1fr) minmax(240px,1fr);
  min-height:min(78vh,820px);
}
.case-stage a{position:relative;overflow:hidden;min-height:240px;color:#fff;text-decoration:none}
.case-lead{grid-row:1 / span 2;min-height:100%}
.case-wide{grid-column:1 / -1;min-height:320px}
.case-stage img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s ease}
.case-stage a:hover img{transform:scale(1.04)}
.case-stage span{
  position:absolute;left:0;right:0;bottom:0;padding:1.35rem 1.3rem 1.25rem;
  background:linear-gradient(transparent, rgba(10,9,8,.86));
}
.case-stage small{display:block;color:var(--brass);letter-spacing:.2em;font-size:.7rem;text-transform:uppercase}
.case-stage b{display:block;margin-top:.35rem;font-family:var(--display);font-weight:500;letter-spacing:.08em;font-size:1.15rem}
.more{text-align:center;padding:2rem var(--gutter) 0}
.more a{
  color:var(--brass);letter-spacing:.16em;text-decoration:none;
  border-bottom:1px solid rgba(196,160,108,.45);padding-bottom:.18rem;
}

.ways{padding:clamp(4.2rem,9vh,6.5rem) 0 clamp(1rem,3vh,2rem)}
.way-grid{
  display:grid;gap:0;margin:0 var(--gutter);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
@media(min-width:860px){.way-grid{grid-template-columns:repeat(3,1fr)}}
.way{
  display:flex;flex-direction:column;align-items:flex-start;
  min-height:22rem;padding:2.1rem 1.7rem 2rem;text-decoration:none;
  border-bottom:1px solid var(--line);
}
@media(min-width:860px){
  .way{border-bottom:0;border-right:1px solid var(--line);min-height:24rem}
  .way:last-child{border-right:0}
}
.way small{color:var(--brass);letter-spacing:.22em;font-size:.72rem}
.way h3{margin:1.4rem 0 0;font-family:var(--display);font-size:clamp(1.7rem,3vw,2.15rem);font-weight:500;letter-spacing:.16em}
.way p{margin:1.1rem 0 0;flex:1}
.way span{
  margin-top:1.8rem;color:var(--brass);letter-spacing:.14em;
  border-bottom:1px solid rgba(196,160,108,.45);padding-bottom:.12rem;
}
.way:hover{background:rgba(243,239,230,.035)}

.about{
  display:grid;gap:2.5rem 4rem;align-items:end;
  padding:clamp(4rem,9vh,6.5rem) var(--gutter) clamp(3rem,7vh,4.5rem);
}
@media(min-width:860px){.about{grid-template-columns:1.15fr .75fr}}
.about h2{max-width:9em}
.about p{margin:1.15rem 0 0}
.about aside{padding:0 0 0 0}
@media(min-width:860px){.about aside{border-left:1px solid rgba(196,160,108,.28);padding-left:2.4rem}}
.mail{
  display:inline-block;margin-top:1.1rem;font-family:var(--display);
  font-size:clamp(1.35rem,2.6vw,1.85rem);color:var(--brass);
  text-decoration:none;border-bottom:1px solid rgba(196,160,108,.5);
  letter-spacing:.04em;
}
.quiet{color:rgba(242,238,231,.52);max-width:28rem}

footer{
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;
  padding:1.4rem var(--gutter) 2rem;border-top:1px solid var(--line);
  color:rgba(242,238,231,.5);font-size:.82rem;letter-spacing:.08em;
}
footer .brand .mark{width:30px;height:30px}
footer nav{display:flex;gap:1.35rem}
footer a{text-decoration:none}
footer a:hover{color:#fff}

@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes draw{from{width:0}to{width:4.5rem}}
@keyframes lift{to{opacity:0;transform:translateY(-8%)}}
@keyframes kenburns{from{transform:scale(1.06)}to{transform:scale(1)}}

@media(max-width:860px){
  .nav-wide{display:none}
  .menu{display:block}
  .case-stage{
    grid-template-columns:1fr;
    grid-template-rows:none;
    min-height:0;
  }
  .case-lead,.case-wide{grid-column:auto;grid-row:auto;min-height:58vw}
  .hero h1{letter-spacing:.22em;text-indent:0}
  .way{min-height:0;padding:1.7rem 0 1.8rem}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .intro,.intro-mark .mark,.intro-en,.intro-cn,.intro-line,.hero-media img,.case-stage img{animation:none}
  .intro{display:none}
}