@import url('/fonts/switzer.css');

:root{
  --ink:#111110;
  --ink-soft:#3A3733;
  --paper:#F7F5F2;
  --paper-warm:#EFEBE5;
  --muted:#8B857C;
  --line:#E3DFD8;
  --white:#fff;
  --pad:clamp(20px,5vw,72px);
  --max:1640px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body.lcj{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:'Switzer',-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
  font-weight:400;font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body.lcj.is-locked{overflow:hidden;}
img{max-width:100%;display:block;}
/* 关键:width 一旦被 CSS 接管,height 必须 auto,否则 HTML 的 height 属性会把图压变形 */
.gal__i img,.card__img,.strip__item img{height:auto;}
a{color:inherit;text-decoration:none;}

.wrap{max-width:var(--max);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad);}
.label{
  font-size:11px;font-weight:500;letter-spacing:.26em;text-transform:uppercase;
  color:var(--muted);margin:0;
}
.rule{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- NAV ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:120;
  display:flex;align-items:center;justify-content:space-between;
  padding:20px var(--pad);
  transition:background .45s var(--ease),box-shadow .45s var(--ease),padding .45s var(--ease);
  mix-blend-mode:normal;
}
.nav__mark{
  font-weight:800;font-size:14px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--white);transition:color .45s var(--ease);
}
.nav__links{display:flex;gap:30px;align-items:center;}
.nav__link{
  font-size:12px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;
  color:rgba(255,255,255,.82);transition:color .3s var(--ease),opacity .3s var(--ease);
}
.nav__link:hover{color:var(--white);}
.nav.is-solid{background:rgba(247,245,242,.92);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line);padding-top:14px;padding-bottom:14px;}
.nav.is-solid .nav__mark{color:var(--ink);}
.nav.is-solid .nav__link{color:var(--ink-soft);}
.nav.is-solid .nav__link:hover{color:var(--ink);}
.nav.is-dark .nav__mark{color:var(--ink);}
.nav.is-dark .nav__link{color:var(--ink-soft);}

/* ---------- HERO ---------- */
.hero{position:relative;height:100svh;min-height:560px;overflow:hidden;background:#0b0b0a;}
.hero__media{position:absolute;inset:0;}
.hero__img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transform:scale(1.1);
  transition:opacity 1.9s var(--ease);
}
.hero__img.is-on{opacity:1;animation:kb 11s linear forwards;}
@keyframes kb{from{transform:scale(1.03);}to{transform:scale(1.13);}}
.hero__scrim{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(8,8,7,.42) 0%,rgba(8,8,7,.04) 26%,rgba(8,8,7,.06) 46%,rgba(8,8,7,.55) 82%,rgba(8,8,7,.80) 100%),
    linear-gradient(96deg,rgba(8,8,7,.42) 0%,rgba(8,8,7,.10) 46%,rgba(8,8,7,0) 72%);
}
.hero__inner{
  position:relative;z-index:3;height:100%;
  max-width:var(--max);margin:0 auto;padding:0 var(--pad) clamp(28px,4vh,54px);
  display:flex;flex-direction:column;justify-content:flex-end;
}
.hero__label{color:rgba(255,255,255,.92);margin-bottom:clamp(14px,2vh,26px);text-shadow:0 1px 14px rgba(0,0,0,.65);}
.hero__name{
  margin:0;color:var(--white);font-weight:800;
  font-size:clamp(1.6rem,7.4vw,8.4rem);line-height:.92;letter-spacing:-.045em;
  white-space:nowrap;text-shadow:0 2px 40px rgba(0,0,0,.42);
}
.hero__name .hero__ln{display:block;overflow:hidden;}
.hero__name .hero__ln > span{display:block;transform:translateY(105%);animation:riseIn 1.15s var(--ease) forwards;}
.hero__ln:nth-child(2) > span{animation-delay:.1s;}
@keyframes riseIn{to{transform:translateY(0);}}
.hero__sub{
  margin:clamp(18px,2.4vh,30px) 0 0;max-width:44ch;
  color:rgba(255,255,255,.92);font-weight:400;font-size:clamp(15px,1.5vw,20px);line-height:1.5;
  text-shadow:0 1px 18px rgba(0,0,0,.55);
  opacity:0;animation:fadeUp 1s var(--ease) .5s forwards;
}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:none;}}
.hero__foot{
  margin-top:clamp(24px,4vh,52px);padding-top:18px;
  border-top:1px solid rgba(255,255,255,.42);
  text-shadow:0 1px 14px rgba(0,0,0,.7);
  display:flex;flex-wrap:wrap;gap:14px 40px;align-items:baseline;
  opacity:0;animation:fadeUp 1s var(--ease) .75s forwards;
}
.hero__stat{display:flex;gap:9px;align-items:baseline;}
.hero__statnum{color:var(--white);font-weight:700;font-size:15px;letter-spacing:.02em;}
.hero__statlab{color:rgba(255,255,255,.86);font-size:11px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;}
.hero__cue{margin-left:auto;display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.86);
  font-size:11px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;}
.hero__cueline{display:block;width:44px;height:1px;background:rgba(255,255,255,.7);position:relative;overflow:hidden;}
.hero__cueline::after{content:'';position:absolute;inset:0;background:var(--white);animation:cue 2.2s var(--ease) infinite;}
@keyframes cue{0%{transform:translateX(-100%);}55%{transform:translateX(0);}100%{transform:translateX(100%);}}

/* ---------- MARQUEE ---------- */
.strip{padding:clamp(46px,7vw,88px) 0;background:var(--paper);overflow:hidden;}
.strip__head{max-width:var(--max);margin:0 auto clamp(20px,3vw,34px);padding:0 var(--pad);}
.strip__track{display:flex;gap:12px;width:max-content;animation:slide 78s linear infinite;}
.strip:hover .strip__track{animation-play-state:paused;}
@keyframes slide{from{transform:translateX(0);}to{transform:translateX(-50%);}}
.strip__item{flex:0 0 auto;height:clamp(150px,20vw,264px);overflow:hidden;background:var(--paper-warm);}
.strip__item img{height:100%;width:auto;object-fit:cover;transition:transform .8s var(--ease),filter .6s var(--ease);}
.strip__item:hover img{transform:scale(1.05);filter:contrast(1.04) saturate(1.05);}

/* ---------- SECTION HEAD(描边字 + 实心字错位,右侧编号分类)---------- */
.sec{padding:clamp(64px,9vw,140px) 0;}
.sec--tight{padding-top:clamp(44px,6vw,92px);}
.sechead{
  display:grid;grid-template-columns:minmax(0,1fr) auto;
  gap:clamp(24px,4vw,72px);align-items:end;
  margin-bottom:clamp(40px,6vw,86px);
}
.sechead__title{
  margin:0;font-weight:800;line-height:.8;letter-spacing:-.05em;
  font-size:clamp(2.6rem,10.5vw,9.5rem);
}
.sechead__out{
  display:block;color:transparent;
  -webkit-text-stroke:1.4px var(--ink);
  paint-order:stroke fill;
}
.sechead__sol{display:block;margin-left:.28em;}
.sechead__cats{
  margin:0 0 .5em;padding:0;list-style:none;min-width:min(300px,42vw);
  border-top:1px solid var(--line);
}
.sechead__cat{
  display:flex;align-items:baseline;gap:14px;
  padding:11px 0;border-bottom:1px solid var(--line);
  font-size:13px;font-weight:500;letter-spacing:.02em;color:var(--ink-soft);
  white-space:nowrap;
}
.sechead__cn{color:var(--muted);font-size:10px;font-weight:700;letter-spacing:.18em;}

/* ---------- WORK GRID(自然比例瀑布流,不裁切照片)---------- */
.grid{columns:2;column-gap:clamp(16px,2.4vw,46px);}
.card{break-inside:avoid;display:block;margin:0 0 clamp(30px,4vw,76px);position:relative;}
.js-anim .card{opacity:0;transform:translateY(34px);}
.js-anim .card.is-in{opacity:1;transform:none;transition:opacity 1s var(--ease),transform 1s var(--ease);}
.card__media{position:relative;overflow:hidden;background:var(--paper-warm);}
.card__img{width:100%;height:auto;transition:transform 1.2s var(--ease);}
.card:hover .card__img{transform:scale(1.03);}
.card__flash{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .34s var(--ease);}
.card__flash.is-on{opacity:1;}
.card__base{display:flex;justify-content:space-between;align-items:baseline;gap:18px;padding:16px 2px 0;}
.card__bt{margin:0;font-weight:500;font-size:clamp(15px,1.25vw,19px);letter-spacing:-.01em;
  transition:opacity .35s var(--ease);}
.card:hover .card__bt{opacity:.5;}
.card__cat{margin:0;color:var(--muted);font-size:11px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;white-space:nowrap;}

/* ---------- ABOUT ---------- */
.about{background:var(--ink);color:var(--paper);}
.about__grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,5vw,86px);align-items:start;}
.about__media{position:relative;overflow:hidden;background:#1b1a18;aspect-ratio:4/5;}
.about__media img{width:100%;height:100%;object-fit:cover;}
.about__label{color:rgba(247,245,242,.5);margin-bottom:20px;}
.about__lead{
  margin:0 0 26px;font-weight:800;letter-spacing:-.035em;line-height:1.02;
  font-size:clamp(1.7rem,3.6vw,3.3rem);
}
.about__p{margin:0 0 18px;color:rgba(247,245,242,.76);font-weight:300;font-size:clamp(15px,1.25vw,18px);line-height:1.68;max-width:52ch;}
.about__list{margin:36px 0 0;padding:0;list-style:none;border-top:1px solid rgba(247,245,242,.16);}
.about__row{display:flex;gap:18px;align-items:baseline;padding:15px 0;border-bottom:1px solid rgba(247,245,242,.16);}
.about__rn{color:rgba(247,245,242,.42);font-size:11px;font-weight:700;letter-spacing:.2em;min-width:26px;}
.about__rt{font-weight:500;font-size:clamp(15px,1.4vw,19px);letter-spacing:-.01em;}
.about__stats{display:flex;flex-wrap:wrap;gap:28px 52px;margin-top:38px;}
.about__snum{margin:0;font-weight:800;font-size:clamp(1.6rem,3vw,2.6rem);letter-spacing:-.035em;line-height:1;}
.about__slab{margin:7px 0 0;color:rgba(247,245,242,.5);font-size:11px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;}

/* ---------- CONTACT ---------- */
.contact{padding:clamp(64px,10vw,150px) 0 clamp(46px,6vw,86px);}
.contact__mail{
  display:inline-block;margin:8px 0 0;font-weight:800;letter-spacing:-.045em;line-height:1;
  font-size:clamp(1.75rem,7.4vw,6rem);word-break:break-word;
  background-image:linear-gradient(var(--ink),var(--ink));
  background-size:0% 2px;background-position:0 100%;background-repeat:no-repeat;
  transition:background-size .6s var(--ease);
}
.contact__mail:hover{background-size:100% 2px;}
.contact__row{display:flex;flex-wrap:wrap;gap:16px 40px;margin-top:clamp(30px,4vw,54px);padding-top:22px;border-top:1px solid var(--line);}
.contact__link{font-size:12px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-soft);transition:color .3s var(--ease);}
.contact__link:hover{color:var(--ink);}

/* ---------- FOOTER ---------- */
.foot{padding:24px 0 34px;}
.foot__in{display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:space-between;align-items:center;
  border-top:1px solid var(--line);padding-top:20px;}
.foot__t{margin:0;color:var(--muted);font-size:12px;font-weight:400;letter-spacing:.06em;}

/* ---------- PROJECT PAGE ---------- */
.phero{position:relative;height:82svh;min-height:460px;overflow:hidden;background:#0b0b0a;}
.phero__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  animation:kbSlow 15s linear forwards;}
@keyframes kbSlow{from{transform:scale(1.02);}to{transform:scale(1.1);}}
.phero__scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,8,7,.5) 0%,rgba(8,8,7,.12) 40%,rgba(8,8,7,.72) 100%);}
.phero__in{position:relative;z-index:3;height:100%;max-width:var(--max);margin:0 auto;
  padding:0 var(--pad) clamp(30px,5vh,64px);display:flex;flex-direction:column;justify-content:flex-end;}
.phero__label{color:rgba(255,255,255,.72);margin-bottom:14px;}
.phero__t{margin:0;color:var(--white);font-weight:800;letter-spacing:-.04em;line-height:.9;
  font-size:clamp(2.2rem,7.4vw,6.4rem);}
.pmeta{border-bottom:1px solid var(--line);}
.pmeta__in{display:flex;flex-wrap:wrap;gap:14px 44px;align-items:baseline;padding:22px 0;}
.pmeta__i{display:flex;gap:9px;align-items:baseline;}
.pmeta__k{color:var(--muted);font-size:11px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;}
.pmeta__v{font-size:14px;font-weight:500;letter-spacing:.02em;}
.pmeta__back{margin-left:auto;font-size:11px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;}

.gal{columns:3;column-gap:clamp(12px,1.5vw,24px);padding:clamp(34px,5vw,70px) 0;}
.gal__i{break-inside:avoid;margin:0 0 clamp(12px,1.5vw,24px);cursor:zoom-in;background:var(--paper-warm);
  overflow:hidden;}
.js-anim .gal__i{opacity:0;transform:translateY(30px);}
.js-anim .gal__i.is-in{opacity:1;transform:none;transition:opacity .95s var(--ease),transform .95s var(--ease);}
.gal__i img{width:100%;height:auto;transition:transform 1s var(--ease);}
.gal__i:hover img{transform:scale(1.03);}

.pnav{border-top:1px solid var(--line);}
.pnav__in{display:grid;grid-template-columns:1fr 1fr;gap:clamp(12px,2vw,30px);padding:clamp(30px,4vw,56px) 0;}
.pnav__a{display:block;}
.pnav__a--next{text-align:right;}
.pnav__k{margin:0 0 10px;}
.pnav__t{margin:0;font-weight:800;letter-spacing:-.03em;line-height:1.02;font-size:clamp(1.15rem,2.9vw,2.5rem);
  transition:opacity .35s var(--ease);}
.pnav__a:hover .pnav__t{opacity:.55;}

/* ---------- LIGHTBOX ---------- */
.lb{position:fixed;inset:0;z-index:400;background:rgba(9,9,8,.97);
  display:none;align-items:center;justify-content:center;}
.lb.is-on{display:flex;}
.lb__img{max-width:92vw;max-height:86svh;object-fit:contain;}
.lb__x,.lb__p,.lb__n{
  position:absolute;background:none;border:0;color:rgba(255,255,255,.7);cursor:pointer;
  font-family:inherit;font-size:12px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;
  padding:14px 18px;transition:color .3s var(--ease);
}
.lb__x:hover,.lb__p:hover,.lb__n:hover{color:#fff;}
.lb__x{top:12px;right:12px;}
.lb__p{left:6px;top:50%;transform:translateY(-50%);}
.lb__n{right:6px;top:50%;transform:translateY(-50%);}
.lb__c{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);
  color:rgba(255,255,255,.6);font-size:11px;font-weight:500;letter-spacing:.22em;}

/* ---------- 404 ---------- */
.nf{min-height:100svh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:0 var(--pad);}
.nf__big{margin:0;font-weight:800;letter-spacing:-.05em;line-height:.9;font-size:clamp(3.4rem,15vw,11rem);}
.nf__p{margin:16px 0 32px;color:var(--ink-soft);font-weight:300;font-size:17px;}
.btn{display:inline-block;border:1px solid var(--ink);padding:14px 30px;
  font-size:12px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;
  transition:background .35s var(--ease),color .35s var(--ease);}
.btn:hover{background:var(--ink);color:var(--paper);}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .sechead{grid-template-columns:1fr;align-items:start;}
  .sechead__cats{margin:8px 0 0;min-width:0;}
  .about__grid{grid-template-columns:1fr;}
  .about__media{aspect-ratio:3/2;max-height:52svh;}
  .gal{columns:2;}
}
@media (max-width:680px){
  .sechead__out{-webkit-text-stroke-width:1px;}
  .sechead__sol{margin-left:.18em;}
  .sechead__cat{font-size:12px;white-space:normal;}
  body.lcj{font-size:16px;}
  .nav__links{gap:18px;}
  .nav__link{font-size:11px;letter-spacing:.14em;}
  .grid{columns:1;}
  .gal{columns:1;}
  .pnav__in{grid-template-columns:1fr;}
  .pnav__a--next{text-align:left;}
  .hero__cue{display:none;}
  .lb__p{left:0;}
  .lb__n{right:0;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;}
  .hero__name .hero__ln > span{transform:none;}
  .hero__sub,.hero__foot{opacity:1;}
  .card,.gal__i{opacity:1;transform:none;}
}