:root{--navy:#14213d;--navy2:#1e3054;--gold:#c2a05a;--gold-l:#d9c08c;--ivory:#f8f6f1;--ink:#22293a;--muted:#6e7686;--line:#e6e0d3;}
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:'Noto Serif SC','Songti SC',serif;background:var(--ivory);color:var(--ink);font-size:15px;line-height:1.8;}
a{text-decoration:none;color:inherit;}
img{display:block;max-width:100%;}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px;}

/* topbar */
.topbar{background:var(--navy);color:#b9c3d8;font-size:12px;letter-spacing:1px;}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;}
.lang a{color:#b9c3d8;margin:0 6px;}
.lang a.cur,.lang a:hover{color:var(--gold-l);}

/* header */
.header{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:50;}
.header-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:110px;}
.nav{display:flex;gap:34px;}
.nav-right{justify-content:flex-end;}
.nav a{font-size:14px;letter-spacing:3px;color:var(--ink);padding:6px 0;border-bottom:2px solid transparent;}
.nav a.active,.nav a:hover{color:var(--navy);border-bottom-color:var(--gold);}
.brand{display:flex;align-items:center;gap:14px;line-height:1.2;text-align:left;}
.brand-cn{font-size:26px;letter-spacing:10px;color:var(--navy);font-weight:600;padding-left:10px;}
.brand-en{font-size:10px;letter-spacing:5px;color:var(--gold);font-family:'Cormorant Garamond',serif;margin-top:4px;}
.header.sticky{position:fixed;top:0;left:0;right:0;box-shadow:0 2px 18px rgba(20,33,61,.12);animation:slideDown .3s;}
@keyframes slideDown{from{transform:translateY(-100%);}to{transform:translateY(0);}}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:10px;justify-self:end;}
.burger i{display:block;width:22px;height:2px;background:var(--navy);}
.drawer{display:none;position:fixed;inset:0;background:var(--navy);z-index:99;flex-direction:column;align-items:center;justify-content:center;gap:26px;}
.drawer.on{display:flex;}
.drawer a{color:#e9e4d8;font-size:18px;letter-spacing:6px;}
.drawer .x{position:absolute;top:24px;right:30px;color:#fff;font-size:26px;cursor:pointer;}

/* hero */
.hero{position:relative;height:78vh;min-height:560px;overflow:hidden;background:var(--navy);}
.slide{position:absolute;inset:0;opacity:0;transition:opacity 1.2s;}
.slide.on{opacity:1;}
.slide-bg{position:absolute;inset:0;background-size:cover;background-position:center;}
.slide-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,25,48,.55),rgba(16,25,48,.35) 45%,rgba(16,25,48,.7));}
.slide-copy{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;color:#fff;padding:0 24px;}
.kicker{font-size:12px;letter-spacing:6px;color:var(--gold-l);text-transform:uppercase;margin-bottom:18px;}
.slide h1{font-size:44px;font-weight:600;letter-spacing:8px;max-width:900px;line-height:1.4;}
.slide p{margin-top:18px;font-size:15px;letter-spacing:2px;color:#d5dbe8;max-width:720px;}
.btn-line{display:inline-block;margin-top:34px;padding:13px 44px;border:1px solid var(--gold-l);color:var(--gold-l);letter-spacing:4px;font-size:13px;transition:.3s;}
.btn-line:hover{background:var(--gold-l);color:var(--navy);}
.btn-solid{display:inline-block;padding:13px 40px;background:var(--navy);color:#fff;letter-spacing:4px;font-size:13px;transition:.3s;border:1px solid var(--navy);}
.btn-solid:hover{background:var(--gold);border-color:var(--gold);}
.dots{position:absolute;bottom:26px;left:0;right:0;display:flex;justify-content:center;gap:10px;z-index:3;}
/* 新闻页小橱窗 */
.mini-booths{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.mini-booth{display:block;background:#fff;border:1px solid rgba(20,33,61,.08);box-shadow:0 4px 14px rgba(20,33,61,.06);text-decoration:none;transition:.25s;}
.mini-booth:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(20,33,61,.12);}
.mb-img{height:110px;background-size:cover;background-position:center;}
.mb-t{padding:10px 12px 2px;font-size:14px;font-weight:600;color:var(--navy);}
.mb-s{padding:0 12px 12px;font-size:12px;color:var(--gold);letter-spacing:.5px;}
@media(max-width:900px){.mini-booths{grid-template-columns:repeat(2,1fr);}}
@media(max-width:600px){.mini-booths{grid-template-columns:repeat(2,1fr);gap:10px;}.mb-img{height:84px;}.mb-t{font-size:13px;padding:8px 10px 2px;}.mb-s{font-size:11px;padding:0 10px 10px;}}
.dot{width:28px;height:3px;background:rgba(255,255,255,.35);cursor:pointer;transition:.3s;}
.dot.on{background:var(--gold-l);}

/* section commons */
.sec{padding:88px 0;}
.sec-head{text-align:center;margin-bottom:54px;}
.sec-kicker{font-size:11px;letter-spacing:5px;color:var(--gold);text-transform:uppercase;font-family:'Cormorant Garamond',serif;font-weight:600;}
.sec-title{font-size:30px;letter-spacing:6px;color:var(--navy);margin-top:12px;font-weight:600;}
.sec-line{width:56px;height:2px;background:var(--gold);margin:22px auto 0;}
.sec-desc{max-width:760px;margin:20px auto 0;color:var(--muted);font-size:14.5px;text-align:center;}

/* about split */
.about-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:center;}
.about-img{height:460px;background-size:cover;background-position:center;box-shadow:20px 20px 0 var(--gold);}
.about-txt h3{font-size:22px;letter-spacing:4px;color:var(--navy);margin-bottom:18px;}
.about-txt p{color:#4c5568;font-size:14.5px;margin-bottom:14px;text-align:justify;}
.about-txt .en-line{font-family:'Cormorant Garamond',serif;color:var(--gold);letter-spacing:3px;font-size:13px;margin-bottom:8px;}

/* project showcase cards */
.proj-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;}
.proj-card{background:#fff;border:1px solid var(--line);overflow:hidden;display:flex;flex-direction:column;transition:.3s;}
.proj-card:hover{transform:translateY(-6px);box-shadow:0 18px 44px rgba(20,33,61,.14);}
.proj-img{height:300px;background-size:cover;background-position:center;position:relative;}
.proj-img .tag{position:absolute;left:20px;top:20px;background:var(--navy);color:var(--gold-l);font-size:11px;letter-spacing:3px;padding:6px 14px;}
.proj-body{padding:30px 30px 34px;flex:1;display:flex;flex-direction:column;}
.proj-body h3{font-size:20px;letter-spacing:3px;color:var(--navy);}
.proj-body .sub{font-family:'Cormorant Garamond',serif;color:var(--gold);letter-spacing:2px;font-size:12px;margin-top:4px;}
.proj-body p{color:var(--muted);font-size:13.5px;margin:14px 0 20px;flex:1;}
.proj-body .more{color:var(--navy);letter-spacing:2px;font-size:12.5px;border-bottom:1px solid var(--gold);align-self:flex-start;padding-bottom:2px;}

/* feature band */
.band{background:var(--navy);color:#fff;padding:74px 0;position:relative;}
.band .bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.22;}
.band .wrap{position:relative;}
.band h2{text-align:center;font-size:26px;letter-spacing:6px;}
.band .sub{text-align:center;color:#aeb9cf;font-size:13px;letter-spacing:2px;margin-top:10px;}
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-top:52px;}
.feat{border-left:1px solid rgba(217,192,140,.5);padding-left:20px;}
.feat .num{font-family:'Cormorant Garamond',serif;font-size:38px;color:var(--gold-l);}
.feat h4{font-size:14.5px;letter-spacing:2px;margin:8px 0 6px;}
.feat p{font-size:12.5px;color:#aeb9cf;line-height:1.7;}

/* service rows (cooperation) */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;}
.svc{background:#fff;border:1px solid var(--line);padding:36px 28px;transition:.3s;}
.svc:hover{border-color:var(--gold);}
.svc .no{font-family:'Cormorant Garamond',serif;color:var(--gold);font-size:15px;letter-spacing:2px;}
.svc h4{font-size:16.5px;letter-spacing:2px;color:var(--navy);margin:10px 0 10px;}
.svc p{font-size:13px;color:var(--muted);}

/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;}
.news-card{background:#fff;border:1px solid var(--line);cursor:pointer;transition:.3s;display:flex;flex-direction:column;}
.news-card:hover{transform:translateY(-5px);box-shadow:0 16px 40px rgba(20,33,61,.13);}
.news-cover{height:190px;background-size:cover;background-position:center;}
.news-body{padding:22px 22px 26px;flex:1;display:flex;flex-direction:column;}
.news-date{font-family:'Cormorant Garamond',serif;color:var(--gold);letter-spacing:2px;font-size:12.5px;}
.news-body h4{font-size:15.5px;letter-spacing:1px;color:var(--navy);margin:10px 0 12px;line-height:1.6;}
.news-sum{font-size:12.5px;color:var(--muted);flex:1;}
.news-more{margin-top:16px;font-size:12px;color:var(--navy);letter-spacing:2px;}
.news-empty{text-align:center;color:var(--muted);padding:60px 0;grid-column:1/-1;}

/* news detail */
.article{background:#fff;border:1px solid var(--line);padding:56px 64px;max-width:900px;margin:0 auto;}
.article h1{font-size:26px;letter-spacing:3px;color:var(--navy);line-height:1.6;}
.article .meta{color:var(--gold);font-family:'Cormorant Garamond',serif;letter-spacing:2px;margin:14px 0 8px;font-size:13px;}
.article .cover{margin:26px 0;height:380px;background-size:cover;background-position:center;}
.article .body p{margin-bottom:16px;color:#3d4658;font-size:15px;line-height:2;}
.back{display:inline-block;margin-top:36px;color:var(--navy);letter-spacing:2px;font-size:13px;border-bottom:1px solid var(--gold);}

/* timeline (about) */
.tl{max-width:760px;margin:0 auto;}
.tl-row{display:grid;grid-template-columns:110px 1fr;gap:28px;padding:22px 0;border-bottom:1px dashed var(--line);}
.tl-row .y{font-family:'Cormorant Garamond',serif;color:var(--gold);font-size:19px;}
.tl-row h4{font-size:15.5px;letter-spacing:2px;color:var(--navy);}
.tl-row p{font-size:13px;color:var(--muted);margin-top:4px;}

/* cta */
.cta{position:relative;padding:110px 0;text-align:center;color:#fff;background:var(--navy);}
.cta .bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.3;}
.cta .wrap{position:relative;}
.cta h2{font-size:30px;letter-spacing:6px;}
.cta p{margin-top:16px;color:#c7cfe0;letter-spacing:2px;font-size:14px;}

/* founder */
.founder-grid{display:grid;grid-template-columns:340px 1fr;gap:60px;align-items:center;}
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
.member{background:#fff;border:1px solid var(--line);padding:30px 22px;text-align:center;transition:.3s;}
.member:hover{border-color:var(--gold);transform:translateY(-4px);box-shadow:0 14px 36px rgba(20,33,61,.12);}
.avatar{width:86px;height:86px;border-radius:50%;margin:0 auto 18px;display:flex;align-items:center;justify-content:center;background:var(--navy);color:var(--gold-l);font-family:'Cormorant Garamond',serif;font-size:30px;letter-spacing:1px;}
.member h4{font-size:16px;letter-spacing:2px;color:var(--navy);}
.member .role{font-family:'Cormorant Garamond',serif;color:var(--gold);font-size:11.5px;letter-spacing:2px;margin:6px 0 12px;}
.member p{font-size:12.5px;color:var(--muted);text-align:left;}
.founder-photo{height:420px;background-size:cover;background-position:center;filter:saturate(.9);}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;}
.info-item{padding:18px 0;border-bottom:1px dashed var(--line);}
.info-item .k{font-size:12px;letter-spacing:3px;color:var(--gold);}
.info-item .v{margin-top:6px;color:var(--ink);font-size:14.5px;}
.form label{display:block;font-size:12.5px;letter-spacing:2px;color:var(--muted);margin:18px 0 8px;}
.form input,.form textarea{width:100%;border:1px solid var(--line);background:#fff;padding:12px 14px;font-family:inherit;font-size:14px;outline:none;}
.form input:focus,.form textarea:focus{border-color:var(--gold);}

/* footer */
.footer{background:#0e1728;color:#8f9ab0;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:50px;padding-bottom:44px;}
.footer h5{color:#e9e4d8;font-size:15px;letter-spacing:3px;margin-bottom:18px;}
.footer .fbrand{font-size:22px;letter-spacing:8px;color:#fff;}
.footer .fen{font-family:'Cormorant Garamond',serif;color:var(--gold);letter-spacing:4px;font-size:11px;margin-top:6px;}
.footer p,.footer a{font-size:13px;line-height:2.1;color:#8f9ab0;display:block;}
.footer a:hover{color:var(--gold-l);}
.copyright{border-top:1px solid rgba(255,255,255,.08);padding:18px 0;font-size:12px;text-align:center;letter-spacing:1px;}

/* reveal */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s,transform .8s;}
.rv.in{opacity:1;transform:none;}

@media (max-width:900px){
  .nav{display:none;}.burger{display:flex;}
  .header-inner{display:flex;justify-content:space-between;height:78px;padding:0 16px;}
  .brand{text-align:left;flex-shrink:0;}.brand-cn{font-size:19px;letter-spacing:4px;white-space:nowrap;}
  .brand-en{font-size:9px;letter-spacing:2.5px;white-space:nowrap;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .topbar .wrap{height:auto;padding:8px 16px;gap:10px;}
  .topbar .wrap > div:first-child{font-size:10.5px;line-height:1.5;flex:1;min-width:0;}
  .lang{white-space:nowrap;}
  .hero h1{font-size:28px;letter-spacing:4px;}
  .about-grid,.proj-grid,.contact-grid,.founder-grid{grid-template-columns:1fr;gap:36px;}
  .header .brand img{height:52px !important;}
  .team-grid{grid-template-columns:1fr 1fr;}
  .feat-grid,.svc-grid,.news-grid{grid-template-columns:1fr 1fr;}
  .article{padding:32px 24px;}
  .sec{padding:60px 0;}
  .about-img{height:300px;box-shadow:10px 10px 0 var(--gold);}
}
@media (max-width:600px){
  .feat-grid,.svc-grid,.news-grid{grid-template-columns:1fr;}
  .slide h1{font-size:24px;letter-spacing:3px;padding:0 6px;}
  .slide p{font-size:13px;letter-spacing:1px;}
  .slide-copy{padding:0 18px;}
  .btn-line{padding:12px 34px;}
  .topbar .wrap{flex-direction:column;height:auto;align-items:center;gap:4px;padding:8px 12px;}
  .team-grid{grid-template-columns:1fr;}
  .article{padding:28px 18px;}
  .sec-title{font-size:24px;letter-spacing:4px;}
  .cta h2{font-size:22px;letter-spacing:4px;}
}