:root{--paper:#FFF;--ink:#000;--stone:#EFECE6;--mid:#66635D;--hair:rgba(0,0,0,.14);
 --slot:#F2F0EB;--slot-line:rgba(0,0,0,.2);--pad:clamp(20px,5vw,72px);color-scheme:light}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);
 font-family:'Archivo','Helvetica Neue',Arial,sans-serif;font-size:17px;line-height:1.6;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:'Archivo Black','Archivo',Arial,sans-serif;font-weight:400;margin:0;line-height:.97;letter-spacing:-.02em}
p{margin:0}
.wrap{max-width:1280px;margin:0 auto;padding-inline:var(--pad)}

header{position:sticky;top:0;z-index:60;background:var(--paper);border-bottom:1px solid var(--hair)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.logo{height:18px}
nav{display:flex;gap:30px;font-size:15px;font-weight:500;margin-left:auto;margin-right:28px}
nav a{text-decoration:none;padding-block:6px;border-bottom:2px solid transparent}
nav a:hover{border-bottom-color:var(--ink)}
@media(max-width:940px){nav{display:none}}

.btn{display:inline-block;text-decoration:none;font-weight:600;font-size:14.5px;padding:13px 24px;
 background:var(--ink);color:var(--paper);white-space:nowrap;border:0;cursor:pointer;
 font-family:inherit;
 clip-path:polygon(0 0,100% 0,100% calc(100% - 11px),calc(100% - 11px) 100%,0 100%)}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--ink)}
.btn:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
.more{display:inline-block;text-decoration:none;font-size:14px;font-weight:600;
 border-bottom:2px solid var(--ink);padding-bottom:3px}

.slot{background:var(--slot);position:relative;display:grid;place-items:center;color:var(--mid);
 font-size:12.5px;text-align:center;padding:14px;
 clip-path:polygon(0 0,100% 0,100% calc(100% - 26px),calc(100% - 26px) 100%,0 100%)}
.slot::before{content:"";position:absolute;inset:8px;border:1px dashed var(--slot-line);
 clip-path:polygon(0 0,100% 0,100% calc(100% - 20px),calc(100% - 20px) 100%,0 100%)}
.slot span{position:relative;max-width:24ch}

.ph{position:relative;overflow:hidden;background:var(--slot);
 clip-path:polygon(0 0,100% 0,100% calc(100% - 26px),calc(100% - 26px) 100%,0 100%)}
.ph img{width:100%;height:100%;object-fit:cover}
.zoom{cursor:zoom-in}
.zoom img{transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.zoom:hover img{transform:scale(1.035)}
@media (prefers-reduced-motion:reduce){.zoom img{transition:none}.zoom:hover img{transform:none}}

.hero{padding-top:clamp(52px,8vw,96px);padding-bottom:clamp(34px,4vw,52px)}
.hero h1{font-size:clamp(42px,8.4vw,108px);max-width:13ch;text-wrap:balance}
.hero .lede{margin-top:26px;max-width:58ch;font-size:clamp(17px,1.4vw,19px);color:var(--mid)}
.pills{margin:30px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.pills li{list-style:none;font-size:14px;font-weight:500;padding:9px 16px;box-shadow:inset 0 0 0 1px var(--hair)}
.hero .acts{margin-top:30px}
.heroshot{aspect-ratio:21/9;min-height:250px;margin-top:clamp(36px,5vw,58px)}
@media(max-width:700px){.heroshot{aspect-ratio:4/3}}

.trust{border-block:1px solid var(--hair);padding-block:28px}
.trust .lbl{font-size:13.5px;color:var(--mid);margin-bottom:18px}
.marks{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.marks div{height:34px;background:var(--slot);display:grid;place-items:center;font-size:11px;color:var(--mid)}
@media(max-width:820px){.marks{grid-template-columns:repeat(3,1fr)}}

.gsec{padding-block:clamp(60px,8vw,104px);border-bottom:1px solid var(--hair)}
.shead{max-width:58ch}
.shead h2{font-size:clamp(26px,3.8vw,48px)}
.shead p{margin-top:18px;color:var(--mid)}

.catrow{margin-top:clamp(40px,5vw,66px)}
.cathead{display:flex;align-items:baseline;justify-content:space-between;gap:20px;
 border-bottom:1px solid var(--hair);padding-bottom:14px}
.cathead h3{font-size:clamp(19px,2.2vw,26px)}
.cathead span{font-size:14px;color:var(--mid)}
.grid4{margin-top:24px;display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(14px,1.8vw,24px)}
.grid4 .shot{aspect-ratio:1/1;background:#fff;box-shadow:inset 0 0 0 1px var(--hair)}
.grid4 h4{margin:14px 0 0;font-family:'Archivo Black',Arial,sans-serif;font-weight:400;font-size:16px;letter-spacing:-.01em}
.grid4 .sub{margin-top:5px;font-size:13.5px;color:var(--mid)}
@media(max-width:900px){.grid4{grid-template-columns:repeat(2,1fr)}}
.note{margin-top:clamp(44px,5vw,64px);padding-top:26px;border-top:1px solid var(--hair);
 display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between}
.note p{color:var(--mid);max-width:58ch;font-size:16px}

/* ---- projects ---- */
.projgrid{margin-top:clamp(34px,4.5vw,54px);display:grid;grid-template-columns:repeat(2,1fr);
 gap:clamp(20px,2.6vw,36px)}
.pcard{border:0;background:none;padding:0;text-align:left;cursor:pointer;font-family:inherit;display:block;width:100%}
.pcard .ph{aspect-ratio:4/3}
.pcard .meta{margin-top:16px;display:flex;align-items:baseline;justify-content:space-between;gap:16px}
.pcard h3{font-size:clamp(19px,2.1vw,25px)}
.pcard .sub{margin-top:7px;font-size:14.5px;color:var(--mid)}
.pcard .loc{margin-top:11px;font-size:clamp(15.5px,1.35vw,18px);color:var(--ink);
 display:flex;align-items:center;gap:9px;font-weight:500}
.pcard .loc::before,.sheetloc .pin{content:"";width:11px;height:11px;flex:0 0 11px;background:var(--ink);
 clip-path:polygon(0 0,100% 0,100% calc(100% - 5px),calc(100% - 5px) 100%,0 100%)}
.pcard .loc::before{content:""}
.sheetloc{margin-top:28px;padding-top:20px;border-top:1px solid var(--hair);
 display:flex;align-items:center;gap:11px;font-size:clamp(16px,1.5vw,19px);color:var(--ink);
 font-weight:500;max-width:56ch}
.sheetloc .pin{display:inline-block}
.pcard .open{font-size:13.5px;font-weight:600;border-bottom:2px solid var(--ink);padding-bottom:2px;white-space:nowrap}
.pcard:focus-visible .ph{outline:3px solid var(--ink);outline-offset:4px}
@media(max-width:760px){.projgrid{grid-template-columns:1fr}}

/* 首页精选项目：2x2，图片为主，文字弱化为说明性小字 */
.home-projgrid{margin-top:clamp(34px,4.5vw,54px);display:grid;grid-template-columns:repeat(2,1fr);
 gap:clamp(20px,2.6vw,36px)}
.home-projgrid .pcard{text-decoration:none}
.home-projgrid .pcard .meta{margin-top:12px;display:block}
.home-projgrid .pcard .cap-loc{font-family:'Archivo Black','Archivo',Arial,sans-serif;font-weight:400;
 font-size:clamp(16px,1.7vw,20px);letter-spacing:-.01em;line-height:1.15;color:var(--ink);margin:0 0 5px;
 white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:opacity .15s}
.home-projgrid .pcard .cap-type{font-size:13px;font-weight:500;color:var(--mid);margin:0}
.home-projgrid .pcard:hover .cap-loc{opacity:.7}
@media(max-width:600px){.home-projgrid{grid-template-columns:1fr}}

/* ---- project overlay ---- */
.sheet{position:fixed;inset:0;z-index:200;background:var(--paper);overflow-y:auto;
 display:none;animation:rise .28s cubic-bezier(.2,.7,.2,1)}
.sheet.on{display:block}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.sheet{animation:none}}
.sheetbar{position:sticky;top:0;background:var(--paper);border-bottom:1px solid var(--hair);z-index:2}
.sheetbar .inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.sheetbar .lbl{font-size:14px;color:var(--mid)}
.xbtn{border:0;background:none;cursor:pointer;font:inherit;font-size:14.5px;font-weight:600;
 display:flex;align-items:center;gap:9px;padding:8px 0;color:var(--ink)}
.xbtn .x{width:18px;height:18px;position:relative;display:inline-block}
.xbtn .x::before,.xbtn .x::after{content:"";position:absolute;left:0;top:8px;width:18px;height:2px;background:var(--ink)}
.xbtn .x::before{transform:rotate(45deg)}.xbtn .x::after{transform:rotate(-45deg)}
.sheethead{padding-top:clamp(40px,6vw,72px);padding-bottom:clamp(28px,3.5vw,44px)}
.sheethead h2{font-size:clamp(28px,4.4vw,54px);max-width:18ch}
.sheethead p{margin-top:20px;color:var(--mid);max-width:56ch}
.pgal{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(16px,2.2vw,30px);
 padding-bottom:clamp(60px,8vw,110px)}
.pgal figure{margin:0}
.pgal .ph{aspect-ratio:4/3}
.pgal figure:first-child{grid-column:1 / -1}
.pgal figure:first-child .ph{aspect-ratio:16/9}
.pgal figcaption{margin-top:12px;font-size:14px;color:var(--mid)}
@media(max-width:700px){.pgal{grid-template-columns:1fr}.pgal figure:first-child .ph{aspect-ratio:4/3}}

/* ---- lightbox ---- */
.lb{position:fixed;inset:0;z-index:300;background:rgba(0,0,0,.94);display:none;
 align-items:center;justify-content:center;padding:clamp(16px,4vw,56px)}
.lb.on{display:flex}
.lb img{max-width:100%;max-height:82vh;object-fit:contain;width:auto}
.lb figcaption{color:rgba(255,255,255,.7);font-size:14px;margin-top:18px;text-align:center}
.lb figure{margin:0;display:flex;flex-direction:column;align-items:center;max-width:100%}
.lbx{position:absolute;top:clamp(14px,2.5vw,28px);right:clamp(14px,2.5vw,28px);
 border:0;background:none;cursor:pointer;width:44px;height:44px}
.lbx::before,.lbx::after{content:"";position:absolute;left:11px;top:21px;width:22px;height:2px;background:#fff}
.lbx::before{transform:rotate(45deg)}.lbx::after{transform:rotate(-45deg)}
.lbnav{position:absolute;top:50%;transform:translateY(-50%);border:0;background:none;cursor:pointer;
 width:56px;height:56px;color:#fff;font-size:30px;line-height:1;opacity:.75}
.lbnav:hover{opacity:1}
.lbnav.prev{left:clamp(4px,1.5vw,20px)}
.lbnav.next{right:clamp(4px,1.5vw,20px)}
.lbcount{position:absolute;bottom:clamp(14px,2.5vw,28px);left:0;right:0;text-align:center;
 color:rgba(255,255,255,.55);font-size:13px}
body.locked{overflow:hidden}

.proc{padding-block:clamp(60px,8vw,104px);border-bottom:1px solid var(--hair)}
.phases{margin-top:clamp(34px,4.5vw,54px);display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
 background:var(--hair);border:1px solid var(--hair)}
.phase{background:var(--paper);padding:clamp(24px,2.8vw,38px)}
.phase .k{font-family:'Archivo Black',Arial,sans-serif;font-size:14px;color:var(--mid)}
.phase h3{margin-top:14px;font-size:21px}
.phase p{margin-top:14px;font-size:15.5px;color:var(--mid)}
.phase ul{margin:20px 0 0;padding:0;list-style:none;font-size:14.5px}
.phase li{padding:9px 0;border-top:1px solid var(--hair);color:var(--mid)}
@media(max-width:860px){.phases{grid-template-columns:1fr}}

.grid3{margin-top:clamp(34px,4.5vw,54px);display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2.2vw,30px)}
.tile .shot{aspect-ratio:4/5}
.tile h3{margin-top:15px;font-size:18px}
.tile .sub{margin-top:6px;font-size:14px;color:var(--mid)}
@media(max-width:880px){.grid3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:540px){.grid3{grid-template-columns:1fr}}

.facbanner{margin-top:clamp(34px,4.5vw,54px)}
.facbanner .ph{aspect-ratio:16/8}
.faccap{margin-top:14px;font-size:14px;color:var(--mid)}
#factory .grid3{margin-top:clamp(28px,3.4vw,42px)}

.quote{background:#000;color:#fff;padding-block:clamp(64px,8vw,110px)}
.quote .inner{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,80px)}
.quote h2{font-size:clamp(28px,4.4vw,54px);max-width:14ch}
.quote p{margin-top:20px;color:rgba(255,255,255,.72);max-width:44ch}
.quote .prep{margin:30px 0 0;padding:0;list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:0 24px}
.quote .prep li{font-size:15px;padding:11px 0;border-top:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.85)}
.quote .btn{background:#fff;color:#000;margin-top:30px}
.qmeta{font-size:15px}
.qmeta div{padding:16px 0;border-top:1px solid rgba(255,255,255,.2)}
.qmeta b{display:block;font-weight:600;font-family:'Archivo',Arial,sans-serif;margin-bottom:5px;
 color:rgba(255,255,255,.55);font-size:13.5px}
@media(max-width:820px){.quote .inner{grid-template-columns:1fr}}

footer{padding-block:36px;font-size:14px;color:var(--mid)}
.fbar{display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between}


html{scroll-behavior:smooth; scroll-padding-top:90px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* 卡片：地点为主（中等字重），项目类型为辅（小字） */
.pcard .meta .loc{
  margin:0 0 7px;
  font-family:'Archivo',sans-serif;
  font-size:clamp(17px,1.6vw,21px);
  font-weight:600;
  letter-spacing:-.01em;
  color:var(--ink);
}
.pcard .meta .loc::before{width:10px;height:10px;flex:0 0 10px}
.pcard .meta h3{
  margin:0;
  font-family:'Archivo',sans-serif;
  font-weight:500;
  font-size:14.5px;
  letter-spacing:0;
  color:var(--mid);
}
/* 内页图集不再有说明文字，间距收一点 */
.pgal figure{margin:0}
/* ---- 产品：横向滚动一行 ---- */
.catrow{position:relative;margin-top:clamp(28px,3vw,42px)}
.cathead{align-items:center}
.railwrap{position:relative;margin-top:14px}
.rail{
  display:flex; gap:clamp(14px,1.6vw,26px);
  overflow-x:auto; scroll-behavior:smooth;
  scroll-snap-type:x proximity;
  padding-bottom:0;
  scrollbar-width:none; -ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none}
.rail .tile{
  flex:0 0 clamp(300px,34vw,520px);
  scroll-snap-align:start;
  margin:0;
}
.rail .shot{
  aspect-ratio:16/9;
  background:transparent; box-shadow:none; clip-path:none; overflow:visible;
}
.rail .shot::before{display:none}
.rail .shot img{
  width:100%; height:100%;
  object-fit:contain; object-position:center;
  padding:0; mix-blend-mode:multiply;
}
.rail .tile h4{margin:10px 0 0;font-family:'Archivo Black',Arial,sans-serif;font-weight:400;font-size:16px;letter-spacing:-.01em}
.rail .tile .sub{margin-top:5px;font-size:13.5px;color:var(--mid)}

/* 左右箭头 */
.railbtn{
  position:absolute; top:calc(50% - 22px); transform:translateY(-50%);
  width:44px;height:44px;border:0;cursor:pointer;z-index:5;
  background:#fff; color:#000; font-size:22px; line-height:1;
  box-shadow:0 2px 14px rgba(0,0,0,.16);
  display:grid;place-items:center;
  transition:opacity .2s;
}
.railbtn:hover{background:#f4f2ee}
.railbtn.prev{left:-14px}
.railbtn.next{right:-14px}
.railbtn[disabled]{opacity:0;pointer-events:none}
@media(max-width:760px){.railbtn{display:none}}
.catrow + .catrow{margin-top:clamp(26px,2.6vw,38px)}
.loading{color:var(--mid);font-size:15px;padding:40px 0}
.collection-more{margin-top:clamp(28px,3.4vw,42px);font-family:'Archivo Black','Archivo',Arial,sans-serif;
 font-weight:400;font-size:clamp(17px,1.8vw,22px);color:var(--ink)}
.empty{color:var(--mid);font-size:15px;padding:30px 0;border-top:1px solid var(--hair);margin-top:24px}
.marks img{max-height:34px;width:auto;object-fit:contain;filter:grayscale(1);opacity:.75}
.marks div{overflow:hidden}