@charset "UTF-8";
/* ==========================================================================
   UNICHEST CN — cn.unichest.com
   공통 스타일 (index / projects / about / contact 4페이지 공유)
   무채색 100% · 라운드 0 · 그림자 0 · 보더 0
   외부 리소스 로드 없음 (웹폰트/구글/CDN 전면 금지 — 중국 본토 로딩 조건)
   ========================================================================== */

/* ============ RESET ============ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
img{display:block;max-width:100%;border:0}
a{color:inherit;text-decoration:none}
ul{list-style:none}
table{border-collapse:collapse;width:100%}

/* ============ TOKENS ============ */
:root{
  --ink:#121212;
  --caption:#484848;
  --second:#B3B3B3;
  --paper:#FFFFFF;
  --void:#000000;
  --footer:#1C1C1C;
  --gap:10px;
  --pad:24px;
  --maxw:1264px;
  --font:"Karla","PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}

html{-webkit-text-size-adjust:100%}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font);
  font-size:14px;
  font-weight:400;
  line-height:1.6;
  letter-spacing:0;
  overflow-x:hidden;
}

/* ============ LAYOUT ============ */
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}

/* ============ HEADER ============ */
.hdr{
  position:fixed;top:0;left:0;right:0;height:80px;z-index:100;
  background:transparent;
  display:flex;align-items:center;
}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between}
.logo img{height:17px;width:auto}
.gnb{display:flex;align-items:center;gap:28px}
.gnb a{font-size:16px;font-weight:600;line-height:1}
.gnb a .en{font-size:11px;font-weight:600;color:var(--second);margin-left:5px;letter-spacing:.04em}
.gnb a:hover{opacity:.55}
.gnb a.on{opacity:.55}

/* ============ HERO ============ */
main{padding-top:80px}
.hero{background:var(--void);width:100%}
.hero img{
  width:100%;height:auto;
  max-height:74vh;object-fit:cover;object-position:center;
}

/* ============ TAGLINE (index) ============ */
.intro{padding:64px 0 72px}
.intro .wrap{display:flex;align-items:flex-start;justify-content:space-between;gap:48px}
.tagline{max-width:720px}
.tagline p.cn{font-size:20px;font-weight:500;line-height:1.55;letter-spacing:-.01em}
.tagline p.en{
  font-size:14px;font-weight:400;line-height:1.5;
  color:var(--second);margin-top:12px;letter-spacing:.01em;
}
.tagline p.corp{
  font-size:14px;font-weight:400;line-height:1.75;
  color:var(--caption);margin-top:24px;max-width:640px;
}
.more{
  flex:0 0 auto;font-size:16px;font-weight:600;line-height:1;
  white-space:nowrap;padding-top:5px;
}
.more .en{font-size:11px;font-weight:600;color:var(--second);margin-left:6px;letter-spacing:.04em}
.more:hover{opacity:.55}

/* ============ SECTION HEADINGS ============ */
.sec-head{
  font-size:36px;font-weight:800;line-height:1.15;letter-spacing:-.02em;
  margin-bottom:28px;
}
.sec-head .en{
  display:block;font-size:13px;font-weight:600;color:var(--second);
  letter-spacing:.08em;margin-top:8px;
}

/* ============ PROJECT GRID — index (계단식 3열) ============ */
.works{padding-bottom:88px}
.grid{display:flex;align-items:flex-start;gap:var(--gap)}
.col{display:flex;flex-direction:column;gap:56px;min-width:0}
.col-a{flex:343 1 0;order:1;padding-top:0}
.col-b{flex:578 1 0;order:2;padding-top:48px}
.col-c{flex:343 1 0;order:3;padding-top:112px}

.card{display:block}
.card .shot{background:#F2F2F2;overflow:hidden}
.card .shot img{width:100%;height:100%;object-fit:cover}
.r43 .shot{aspect-ratio:4/3}
.r45 .shot{aspect-ratio:4/5}
.card:hover .shot img{opacity:.86}
.cap{margin:0;padding-top:10px}
.pname{font-size:14px;font-weight:700;line-height:1.4}
.pname .en{font-weight:700;color:var(--second);margin-left:6px;letter-spacing:.02em}
.meta{margin-top:6px}
.meta li{
  font-size:13px;font-weight:400;line-height:1.6;color:var(--caption);
  display:flex;gap:8px;
}
.meta li b{
  font-weight:400;color:var(--second);
  flex:0 0 68px;letter-spacing:.06em;font-size:11px;padding-top:2px;
}

/* ============ 내부 페이지 헤드 ============ */
.phead{padding:56px 0 36px}
.phead h1{
  font-size:36px;font-weight:800;line-height:1.15;letter-spacing:-.02em;
}
.phead h1 .en{
  display:block;font-size:13px;font-weight:600;color:var(--second);
  letter-spacing:.08em;margin-top:8px;
}
.phead .lead{
  font-size:14px;line-height:1.85;color:var(--caption);
  max-width:660px;margin-top:18px;
}

/* ============ PROJECTS 균일 4열 그리드 ============ */
.pgrid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:28px;
  padding-bottom:88px;
}
.pgrid .card .shot{aspect-ratio:4/3}
/* 원본 비율이 제각각이라 크롭 대신 여백 채움 — 제품 전체가 보이도록 */
.pgrid .card .shot img{object-fit:contain}

/* ============ CASE DETAIL (case-*.html) ============ */
.chead{padding:56px 0 30px}
.chead h1{font-size:36px;font-weight:800;line-height:1.15;letter-spacing:-.02em}
.chead h1 .en{
  display:block;font-size:13px;font-weight:600;color:var(--second);
  letter-spacing:.08em;margin-top:8px;
}
.cmeta{display:flex;flex-wrap:wrap;gap:14px 52px;margin-top:24px}
.cmeta li{font-size:13px;line-height:1.6;color:var(--caption)}
.cmeta li b{
  display:block;font-weight:400;color:var(--second);
  font-size:11px;letter-spacing:.1em;margin-bottom:3px;
}
.crole{font-size:13px;line-height:1.8;color:var(--caption);margin-top:22px;max-width:660px}
.crole b{font-weight:700;color:var(--ink)}

.chero{background:var(--void);width:100%}
.chero img{
  width:100%;height:auto;
  max-height:74vh;object-fit:cover;object-position:center;
}

.cbody{padding:56px 0 8px}
.cbody .wrap{display:flex;align-items:flex-start;gap:48px;flex-wrap:wrap}
.cbody .cn{flex:1 1 620px;min-width:0}
.cbody .cn p{font-size:14px;line-height:1.9;color:var(--caption)}
.cbody .cn p + p{margin-top:14px}
.cbody .cn p strong{font-weight:700;color:var(--ink)}
.cbody .eng{flex:1 1 380px;min-width:0;color:var(--second)}
.cbody .eng p{font-size:13px;line-height:1.8;letter-spacing:.01em}
.cbody .eng p + p{margin-top:12px}

.cshots{padding:48px 0 0}
.cshot{margin-bottom:48px}
.cshot .shot{background:#F2F2F2;overflow:hidden}
.cshot .shot img{width:100%;height:auto}
.cshot .cap2{font-size:13px;line-height:1.7;color:var(--caption);margin-top:10px}
.cshot .cap2 .en{color:var(--second);margin-left:8px;font-size:12px;letter-spacing:.02em}

.ccta{padding:8px 0 64px}
.ccta .wrap{display:flex;align-items:flex-start;justify-content:space-between;gap:48px;flex-wrap:wrap}
.ccta-txt{flex:1 1 520px;min-width:0}
.ccta h2{font-size:28px;font-weight:800;line-height:1.2;letter-spacing:-.02em;margin-bottom:14px}
.ccta h2 .en{display:block;font-size:12px;font-weight:600;color:var(--second);letter-spacing:.08em;margin-top:8px}
.ccta p{font-size:14px;line-height:1.85;color:var(--caption);max-width:620px}
.ccta .more{display:inline-block;margin-top:20px}

.cnav{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;padding:0 0 80px}
.cnav a{font-size:14px;font-weight:700;line-height:1.5;max-width:46%}
.cnav a .lb{display:block;font-size:11px;font-weight:600;color:var(--second);letter-spacing:.1em;margin-bottom:6px}
.cnav a .en{font-weight:400;color:var(--second);margin-left:6px;font-size:12px;letter-spacing:.02em}
.cnav a:hover{opacity:.55}
.cnav .nx{text-align:right;margin-left:auto}

/* ============ ABOUT — 2단(중문 좌 / 영문 우) ============ */
.rows{padding-bottom:16px}
.row{
  display:flex;align-items:flex-start;gap:48px;
  padding:34px 0;
}
.row + .row{padding-top:34px}
.row .cn{flex:1 1 620px;min-width:0;color:var(--ink)}
.row .en{flex:1 1 420px;min-width:0;color:var(--second)}
.row .cn h3{font-size:18px;font-weight:700;line-height:1.5;margin-bottom:10px}
.row .cn p{font-size:14px;line-height:1.9;color:var(--caption)}
.row .cn p strong{font-weight:700;color:var(--ink)}
.row .cn p + p{margin-top:12px}
.row .en h4{font-size:13px;font-weight:600;letter-spacing:.06em;margin-bottom:8px}
.row .en p{font-size:13px;line-height:1.8;letter-spacing:.01em}
.row .en p + p{margin-top:10px}

.blk{padding:48px 0 8px}
.blk h2{
  font-size:28px;font-weight:800;line-height:1.2;letter-spacing:-.02em;
  margin-bottom:6px;
}
.blk h2 .en{
  display:block;font-size:12px;font-weight:600;color:var(--second);
  letter-spacing:.08em;margin-top:8px;
}

/* SERVICE 4분류 */
.svc{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:28px;margin-top:28px;
}
.svc .no{font-size:11px;color:var(--second);letter-spacing:.1em;margin-bottom:10px}
.svc h3{font-size:17px;font-weight:700;line-height:1.4}
.svc h3 .en{display:block;font-size:11px;font-weight:600;color:var(--second);letter-spacing:.08em;margin-top:5px}
.svc p{font-size:13px;line-height:1.8;color:var(--caption);margin-top:10px}

/* AWARDS */
.awards{margin-top:24px}
.awards li{
  display:flex;align-items:baseline;gap:16px;
  padding:11px 0;font-size:14px;line-height:1.5;
}
.awards li .yr{
  flex:0 0 52px;font-size:12px;color:var(--second);letter-spacing:.06em;
}
.awards li .nm{flex:1 1 auto;min-width:0;font-weight:600}
.awards li .nm .en{font-weight:400;color:var(--second);margin-left:8px;font-size:12px;letter-spacing:.02em}
.awards li .pj{flex:0 0 auto;font-size:12px;color:var(--caption);letter-spacing:.04em}

/* CLIENTS */
.clients{
  margin-top:24px;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:4px 28px;
}
.clients li{font-size:13px;line-height:2;color:var(--caption)}
.clients li .en{color:var(--second);margin-left:6px;font-size:11px;letter-spacing:.04em}

/* ============ ABOUT / CONTACT BAND (index) ============ */
.band{padding:0 0 88px}
.band .wrap{display:flex;align-items:flex-start;justify-content:space-between;gap:48px;flex-wrap:wrap}
.band-txt{flex:1 1 520px;min-width:0}
.band h2{
  font-size:36px;font-weight:800;line-height:1.15;letter-spacing:-.02em;margin-bottom:20px;
}
.band h2 .en{display:block;font-size:13px;font-weight:600;color:var(--second);letter-spacing:.08em;margin-top:8px}
.band p{font-size:14px;line-height:1.85;color:var(--caption);max-width:660px}
.band p + p{margin-top:14px}
.band p strong{font-weight:700;color:var(--ink)}
.kw{margin-top:22px;display:flex;flex-wrap:wrap;gap:6px 18px}
.kw span{font-size:13px;color:var(--second);letter-spacing:.02em}

/* ============ WeChat QR ============ */
.wechat{flex:0 0 auto;text-align:left}
.qr{
  width:120px;height:120px;
  background-color:#FFFFFF;
  background-image:
    linear-gradient(45deg,#E4E4E4 25%,transparent 25%,transparent 75%,#E4E4E4 75%),
    linear-gradient(45deg,#E4E4E4 25%,transparent 25%,transparent 75%,#E4E4E4 75%);
  background-size:16px 16px;
  background-position:0 0,8px 8px;
}
img.qr{
  display:block;
  background-image:none;
  background-color:#FFFFFF;
  object-fit:contain;
}
.wechat .lbl{font-size:13px;font-weight:400;color:var(--caption);margin-top:8px;line-height:1.4}
.wechat .lbl .en{display:block;font-size:11px;color:var(--second);letter-spacing:.06em}

/* ============ CONTACT 페이지 ============ */
.contact{padding-bottom:88px}
.contact .wrap{display:flex;align-items:flex-start;gap:64px;flex-wrap:wrap}
.cinfo{flex:1 1 520px;min-width:0}
.cinfo dl{margin-top:8px}
.cinfo dt{
  font-size:11px;color:var(--second);letter-spacing:.1em;
  padding-top:22px;
}
.cinfo dd{font-size:16px;line-height:1.7;font-weight:600;margin-top:6px}
.cinfo dd .sub{display:block;font-size:13px;font-weight:400;color:var(--caption);margin-top:4px}
.cinfo dd a:hover{opacity:.55}
.cnote{font-size:13px;line-height:1.9;color:var(--caption);margin-top:36px;max-width:620px}

.cqr{flex:0 0 auto}
.cqr .qr{width:220px;height:220px;background-size:20px 20px;background-position:0 0,10px 10px}
.cqr .lbl{margin-top:12px}

/* ============ FOOTER ============ */
.ft{background:var(--footer);color:#FFFFFF;padding:40px 0 34px}
.ft .wrap{display:flex;align-items:flex-start;justify-content:space-between;gap:32px;flex-wrap:wrap}
.ft .mark{font-size:16px;font-weight:800;letter-spacing:.14em;line-height:1}
.ft .cols{display:flex;gap:56px;flex-wrap:wrap}
.ft .cols div{font-size:11px;line-height:1.9;letter-spacing:.02em}
.ft .cols b{display:block;font-weight:600;color:var(--second);font-size:11px;letter-spacing:.1em;margin-bottom:4px}
.ft a:hover{opacity:.6}
.ft .wechat .qr{width:84px;height:84px;background-size:12px 12px;background-position:0 0,6px 6px}
.ft .wechat .lbl{font-size:11px;color:var(--second);margin-top:7px}
.ft .wechat .lbl .en{font-size:10px}
.ft .rights{
  font-size:11px;color:var(--second);letter-spacing:.06em;
  margin-top:34px;padding-top:0;
}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  :root{--pad:20px}
  .col-b{padding-top:32px}
  .col-c{padding-top:72px}
  .col{gap:44px}
  .sec-head,.band h2,.phead h1,.chead h1{font-size:30px}
  .pgrid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
  .svc{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 28px}
  .clients{grid-template-columns:repeat(3,minmax(0,1fr))}
  .contact .wrap{gap:44px}
}

@media (max-width:900px){
  .grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap) var(--gap);align-items:start}
  .col{display:contents}
  .card{margin-bottom:34px}
  /* 세로형(4:5)을 4:3으로 강제하면 상하 40%가 잘림 — 원본 비율 유지 */
  .row{flex-direction:column;gap:14px;padding:26px 0}
  .row + .row{padding-top:26px}
}

@media (max-width:768px){
  :root{--pad:16px}
  main{padding-top:64px}
  .hdr{height:64px}
  .gnb{gap:16px}
  .gnb a{font-size:14px}
  .gnb a .en{display:none}
  .hero img{max-height:52vh}
  .intro{padding:40px 0 44px}
  .intro .wrap{flex-direction:column;gap:22px}
  .tagline p.cn{font-size:18px}
  .more{padding-top:0}
  .sec-head,.band h2,.phead h1,.chead h1{font-size:26px}
  .blk h2,.ccta h2{font-size:22px}
  .chead{padding:36px 0 22px}
  .cmeta{gap:12px 30px;margin-top:18px}
  .chero img{max-height:52vh}
  .cbody{padding:34px 0 4px}
  .cbody .wrap{flex-direction:column;gap:16px}
  .cshots{padding:28px 0 0}
  .cshot{margin-bottom:32px}
  .ccta{padding-bottom:44px}
  .ccta .wrap{flex-direction:column;gap:32px}
  .cnav{flex-direction:column;gap:20px;padding-bottom:56px}
  .cnav a{max-width:100%}
  .cnav .nx{text-align:left;margin-left:0}
  .grid{grid-template-columns:1fr}
  .card{margin-bottom:28px}
  .works{padding-bottom:56px}
  .band{padding-bottom:56px}
  .band .wrap{flex-direction:column;gap:32px}
  .phead{padding:36px 0 24px}
  .pgrid{grid-template-columns:1fr 1fr;gap:20px 16px;padding-bottom:56px}
  .svc{grid-template-columns:1fr;gap:28px}
  .blk{padding:34px 0 4px}
  .awards li{flex-wrap:wrap;gap:4px 12px;padding:10px 0}
  .awards li .pj{flex-basis:100%}
  .clients{grid-template-columns:1fr 1fr}
  .contact{padding-bottom:56px}
  .contact .wrap{flex-direction:column;gap:36px}
  .cqr .qr{width:180px;height:180px}
  .ft .wrap{flex-direction:column;gap:24px}
  .ft .cols{gap:24px;flex-direction:column}
}