:root{
  --ink:#0A0A0A;
  --ink-2:#121110;
  --ink-3:#1A1816;
  --line:rgba(176,141,87,.22);
  --line-2:rgba(255,255,255,.08);
  --copper:#B08D57;
  --copper-2:#D8B77C;
  --paper:#F4F0E8;
  --muted:rgba(244,240,232,.62);
  --muted-2:rgba(244,240,232,.42);
  --serif:"Songti SC","Noto Serif SC","Source Han Serif SC",Georgia,"Times New Roman",serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --maxw:1120px;
  --pad:clamp(1.25rem,4vw,3rem);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--ink);color:var(--paper);
  font-family:var(--sans);font-size:16px;line-height:1.78;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;letter-spacing:.01em;margin:0}
p{margin:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.narrow{max-width:760px}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(10,10,10,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-2);
}
.nav-in{
  max-width:var(--maxw);margin:0 auto;padding:.8rem var(--pad);
  display:flex;align-items:center;gap:1.25rem;
}
.brand{
  font-family:var(--serif);font-size:1.02rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--paper);white-space:nowrap;
  text-shadow:0 0 18px rgba(216,183,124,.28);
}
.brand small{
  display:block;font-family:var(--sans);font-size:.78rem;letter-spacing:.2em;
  color:var(--muted-2);text-transform:uppercase;margin-top:.15rem;
}
.nav-links{display:flex;gap:1.5rem;margin-left:auto;align-items:center}
.nav-links a{
  font-size:.88rem;color:var(--muted);letter-spacing:.08em;
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;min-height:44px;padding:.4rem .55rem;
  border-bottom:1px solid transparent;transition:.2s;
}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--copper-2);border-bottom-color:var(--line)}
.nav-cta{
  border:1px solid var(--line);border-radius:2px;padding:.5rem .95rem !important;
  color:var(--copper-2) !important;font-size:.82rem;
}
.nav-cta:hover{background:rgba(176,141,87,.12)}

/* ---------- hero ---------- */
.hero{padding:clamp(3rem,8vw,6.5rem) 0 clamp(2.5rem,6vw,4rem);border-bottom:1px solid var(--line-2)}
.eyebrow{
  font-size:.78rem;letter-spacing:.3em;text-transform:uppercase;
  color:var(--copper);margin-bottom:1.5rem;
}
.hero h1{
  font-size:clamp(1.85rem,5.2vw,3.4rem);line-height:1.24;
  letter-spacing:.02em;max-width:19em;
}
.hero h1 em{font-style:normal;color:var(--copper-2)}
.hero-sub{
  margin-top:1.6rem;max-width:34em;color:var(--muted);
  font-size:clamp(.95rem,1.6vw,1.06rem);line-height:1.9;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:2.4rem}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  min-height:46px;padding:.7rem 1.5rem;border-radius:2px;
  font-size:.9rem;letter-spacing:.06em;transition:.22s;border:1px solid transparent;
}
.btn-solid{background:var(--copper);color:#100E0B;font-weight:600}
.btn-solid:hover{background:var(--copper-2)}
.btn-ghost{border-color:rgba(244,240,232,.24);color:var(--paper)}
.btn-ghost:hover{border-color:var(--copper);color:var(--copper-2)}
.hero-facts{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1px;margin-top:clamp(2.5rem,5vw,4rem);
  background:var(--line-2);border:1px solid var(--line-2);
}
.fact{background:var(--ink);padding:1.3rem 1.2rem}
.fact b{
  display:block;font-family:var(--serif);font-size:clamp(1.35rem,3.2vw,1.9rem);
  color:var(--copper-2);line-height:1.2;
}
.fact span{display:block;margin-top:.45rem;font-size:.78rem;color:var(--muted-2);letter-spacing:.06em}

/* ---------- section ---------- */
.sec{padding:clamp(3.2rem,7vw,5.5rem) 0;border-bottom:1px solid var(--line-2)}
.sec-head{display:flex;align-items:baseline;gap:1.1rem;margin-bottom:clamp(1.8rem,4vw,2.8rem);flex-wrap:wrap}
.sec-head h2{font-size:clamp(1.4rem,3.4vw,2.1rem);letter-spacing:.03em}
.sec-head .idx{
  font-family:var(--sans);font-size:.78rem;letter-spacing:.28em;color:var(--copper);
  text-transform:uppercase;
}

/* ---------- cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:1.1rem}
.card{
  border:1px solid var(--line-2);background:var(--ink-2);
  padding:1.6rem 1.4rem;display:flex;flex-direction:column;
  transition:.24s;position:relative;
}
.card:hover{border-color:var(--line);background:var(--ink-3);transform:translateY(-2px)}
.card h3{font-size:1.1rem;margin-bottom:.5rem;letter-spacing:.02em}
.card .price{
  font-family:var(--serif);color:var(--copper-2);font-size:1.5rem;
  margin:.2rem 0 .9rem;line-height:1.1;
}
.card .price small{font-family:var(--sans);font-size:.78rem;color:var(--muted-2);letter-spacing:.08em}
.card ul{margin:0;padding-left:1.05rem;color:var(--muted);font-size:.9rem;line-height:1.95}
.card ul li::marker{color:var(--copper)}
.card .more{margin-top:auto;padding-top:1.2rem;font-size:.85rem;color:var(--copper-2)}

/* ---------- cases ---------- */
.case{
  display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(1.2rem,3vw,2.4rem);
  align-items:center;padding:clamp(1.6rem,4vw,2.6rem) 0;
  border-top:1px solid var(--line-2);
}
.case:first-of-type{border-top:0}
.case:nth-child(even) .case-media{order:-1}
.case h3{font-size:clamp(1.15rem,2.6vw,1.5rem);margin-bottom:.6rem}
.case .meta{font-size:.78rem;letter-spacing:.18em;color:var(--copper);text-transform:uppercase;margin-bottom:.9rem}
.case p{color:var(--muted);font-size:.94rem;line-height:1.95}
.kpi{display:flex;flex-wrap:wrap;gap:1.4rem;margin-top:1.3rem}
.kpi div{min-width:96px}
.kpi b{display:block;font-family:var(--serif);font-size:1.3rem;color:var(--copper-2);line-height:1.2}
.kpi span{font-size:.8rem;color:var(--muted-2);letter-spacing:.04em}
.case-media{
  border:1px solid var(--line-2);background:var(--ink-2);aspect-ratio:4/3;
  display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative;
}
.case-media .ph{
  font-family:var(--serif);font-size:clamp(1.1rem,3vw,1.6rem);color:rgba(216,183,124,.5);
  letter-spacing:.24em;text-align:center;padding:1rem;
}
.case-media .ph small{display:block;font-family:var(--sans);font-size:.8rem;letter-spacing:.18em;color:var(--muted-2);margin-top:.7rem}

/* ---------- process ---------- */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:1px;background:var(--line-2);border:1px solid var(--line-2)}
.step{background:var(--ink);padding:1.5rem 1.3rem}
.step b{display:block;font-family:var(--serif);font-size:1.6rem;color:rgba(176,141,87,.55);line-height:1;margin-bottom:.8rem}
.step h4{font-size:1rem;margin-bottom:.45rem}
.step p{font-size:.86rem;color:var(--muted);line-height:1.9}

/* ---------- table ---------- */
.tbl{width:100%;border-collapse:collapse;font-size:.9rem}
.tbl th,.tbl td{text-align:left;padding:.95rem .8rem;border-bottom:1px solid var(--line-2);vertical-align:top}
.tbl th{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--copper);font-weight:500;white-space:nowrap}
.tbl td:first-child{color:var(--paper);white-space:nowrap}
.tbl td{color:var(--muted)}
.tbl tr:last-child td{border-bottom:0}

/* ---------- cv ---------- */
.cv-head{border-bottom:1px solid var(--line);padding-bottom:1.6rem;margin-bottom:2rem}
.cv-head h1{font-size:clamp(1.7rem,4.4vw,2.6rem);letter-spacing:.06em}
.cv-head .en{font-size:.78rem;letter-spacing:.3em;text-transform:uppercase;color:var(--copper);margin-bottom:.8rem}
.cv-head .contact{display:flex;flex-wrap:wrap;gap:.35rem 1.4rem;margin-top:1rem;font-size:.88rem;color:var(--muted)}
.cv-sec{margin-bottom:clamp(1.8rem,4vw,2.6rem)}
.cv-sec h2{
  font-size:.78rem;font-family:var(--sans);letter-spacing:.3em;text-transform:uppercase;
  color:var(--copper);margin-bottom:1.1rem;padding-bottom:.5rem;border-bottom:1px solid var(--line-2);
}
.job{padding-left:1rem;border-left:1px solid var(--line);margin-bottom:1.5rem}
.job:last-child{margin-bottom:0}
.job .role{font-family:var(--serif);font-size:1.05rem;letter-spacing:.02em}
.job .org{font-size:.86rem;color:var(--copper-2);margin-top:.2rem}
.job .when{font-size:.8rem;letter-spacing:.08em;color:var(--muted-2);margin-top:.3rem}
.job p{font-size:.9rem;color:var(--muted);margin-top:.6rem;line-height:1.9}
.tags{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:.6rem}
.tag{font-size:.8rem;color:var(--muted);border:1px solid var(--line-2);padding:.34rem .68rem;border-radius:2px}

/* ---------- contact / footer ---------- */
.cta-band{background:var(--ink-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line-2)}
.cta-in{padding:clamp(2.6rem,6vw,4rem) 0;display:flex;flex-wrap:wrap;gap:2rem;align-items:center;justify-content:space-between}
.cta-in h2{font-size:clamp(1.3rem,3.2vw,1.9rem);max-width:20em;line-height:1.4}
.contact-list{display:flex;flex-wrap:wrap;gap:.6rem 2rem;margin-top:1.4rem;font-size:.9rem;color:var(--muted)}
.contact-list a{color:var(--copper-2)}
footer{padding:2.2rem 0;font-size:.78rem;color:var(--muted-2)}
.foot-in{display:flex;flex-wrap:wrap;gap:.6rem 1.6rem;justify-content:space-between;align-items:center}
.foot-in a{color:var(--muted)}

.rule{height:1px;background:var(--line-2);margin:2rem 0}

/* ---------- responsive ---------- */
@media (max-width:860px){
  .case{grid-template-columns:1fr}
  .case:nth-child(even) .case-media{order:0}
  .hero-facts{grid-template-columns:1fr}
  .nav-links{gap:1rem}
  .nav-links a:not(.nav-cta){display:none}
}
@media (max-width:420px){
  body{font-size:15.5px}
  .brand{font-size:.9rem;letter-spacing:.18em}
  .nav-links{gap:.6rem}
  .tbl{font-size:.84rem}
  .tbl th,.tbl td{padding:.8rem .5rem}
  .cta-in{gap:1.4rem}
}

/* ---------- print (CV) ---------- */
@media print{
  :root{--ink:#fff;--ink-2:#fff;--ink-3:#fff;--paper:#111;--muted:#333;--muted-2:#555;--copper:#8a6a3a;--copper-2:#8a6a3a;--line:rgba(0,0,0,.25);--line-2:rgba(0,0,0,.14)}
  .nav,.cta-band,footer,.hero-actions,.no-print{display:none !important}
  body{background:#fff;color:#111;font-size:10.5pt;line-height:1.6}
  .sec{padding:.6rem 0;border:0}
  .wrap{max-width:none;padding:0}
  .job{page-break-inside:avoid}
  a{text-decoration:none;color:#111}
}

/* ================= v2 · 图片驱动版式（2026-10-24） ================= */
.hero-split{
  display:grid;grid-template-columns:1.08fr .92fr;gap:0;align-items:stretch;
  min-height:calc(100vh - 68px);
}
.hero-split .hero-copy{
  display:flex;flex-direction:column;justify-content:center;
  padding:clamp(2.2rem,6vw,5rem) clamp(1.25rem,4vw,3.5rem) clamp(2.2rem,6vw,4rem) var(--pad);
  max-width:660px;margin-left:auto;width:100%;
}
.hero-media{position:relative;overflow:hidden;background:var(--ink-3)}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:50% 32%;display:block}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,10,10,.92) 0%,rgba(10,10,10,.35) 26%,rgba(10,10,10,0) 55%);
}
.hero-media figcaption{
  position:absolute;left:1.2rem;bottom:1.1rem;z-index:2;
  font-size:.78rem;letter-spacing:.16em;color:rgba(244,240,232,.66);
  text-transform:uppercase;
}
.hero-split h1{font-size:clamp(2.1rem,4.6vw,4rem);line-height:1.14}
.hero-split .hero-sub{max-width:30em}

/* 作品墙 */
.gallery{
  display:grid;grid-template-columns:repeat(12,1fr);gap:.6rem;
}
.gallery figure{margin:0;position:relative;overflow:hidden;background:var(--ink-3)}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.gallery figure:hover img{transform:scale(1.03)}
.gallery .g1{grid-column:span 7;aspect-ratio:4/3}
.gallery .g2{grid-column:span 5;aspect-ratio:4/5}
.gallery .g3{grid-column:span 4;aspect-ratio:1/1}
.gallery .g4{grid-column:span 4;aspect-ratio:1/1}
.gallery .g5{grid-column:span 4;aspect-ratio:1/1}
.gallery figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:1.6rem .9rem .7rem;
  font-size:.78rem;letter-spacing:.12em;color:#F2EDE3;
  background:linear-gradient(180deg,rgba(0,0,0,0),rgba(0,0,0,.72));
}

/* 案例卡配图 */
.case-media img{width:100%;height:100%;object-fit:cover}
.case-media{border:0}
.case-media.tall{aspect-ratio:4/5}
.case-media.wide{aspect-ratio:16/10}

/* 服务卡顶部细线 */
.card::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--copper),transparent);transition:width .5s ease;
}
.card:hover::before{width:100%}

@media (max-width:900px){
  .hero-split{grid-template-columns:1fr;min-height:0}
  .hero-media{order:-1;height:min(62vh,520px)}
  .hero-media::after{background:linear-gradient(180deg,rgba(10,10,10,.15) 0%,rgba(10,10,10,.55) 62%,var(--ink) 100%)}
  .hero-split .hero-copy{padding:0 var(--pad) 2.4rem;max-width:none;margin:0}
}
@media (max-width:620px){
  .gallery{grid-template-columns:repeat(6,1fr);gap:.45rem}
  .gallery .g1{grid-column:span 6;aspect-ratio:16/11}
  .gallery .g2{grid-column:span 6;aspect-ratio:4/5}
  .gallery .g3,.gallery .g4,.gallery .g5{grid-column:span 3;aspect-ratio:1/1}
}