/* ============================================================
   FLAMINGOTECH HOLDINGS · 火烈鸟控股集团
   Old-Money Corporate Design System
   深藏青 Navy · 金 Gold · 米白 Ivory
   ============================================================ */

:root{
  /* palette */
  --navy-950:#081120;
  --navy-900:#0b1729;
  --navy-850:#0e1d33;
  --navy-800:#122240;
  --navy-700:#1a3053;
  --navy-600:#23406a;
  --gold-300:#ead9b2;
  --gold-400:#d9bd7f;
  --gold-500:#c6a25b;
  --gold-600:#b08a41;
  --gold-700:#8f6f31;
  --ivory-50:#fbf8f1;
  --ivory-100:#f5f0e4;
  --ivory-200:#ece3cf;
  --ink:#202a38;
  --ink-soft:#4c5766;
  --muted:#7a838f;
  --line:rgba(198,162,91,.28);
  --line-dark:rgba(234,217,178,.22);

  /* type */
  --serif-en:"Cormorant Garamond","Playfair Display","Times New Roman",Georgia,serif;
  --serif-cn:"Noto Serif SC","Source Han Serif SC","Songti SC",SimSun,"Times New Roman",serif;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",Inter,Arial,sans-serif;
  --fs-body:1.0625rem;

  /* misc */
  --maxw:1200px;
  --header-h:84px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-sm:0 6px 24px rgba(8,17,32,.06);
  --shadow-md:0 18px 50px rgba(8,17,32,.12);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  font-size:var(--fs-body);
  line-height:1.75;
  color:var(--ink);
  background:var(--ivory-50);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
::selection{background:var(--gold-500);color:var(--navy-900)}

/* ---------- Type helpers ---------- */
.serif{font-family:var(--serif-en),var(--serif-cn)}
h1,h2,h3,.h-serif{font-family:var(--serif-en),var(--serif-cn);font-weight:600;line-height:1.18;letter-spacing:.01em}
.zh h1,.zh h2,.zh h3{font-family:var(--serif-cn);font-weight:700;letter-spacing:.03em}

.overline{
  font-family:var(--sans);
  font-size:.78rem;letter-spacing:.34em;text-transform:uppercase;
  color:var(--gold-600);font-weight:600;display:inline-flex;align-items:center;gap:.9em;
}
.overline::before{content:"";width:2.2em;height:1px;background:currentColor;opacity:.75}
.dark .overline{color:var(--gold-400)}

/* ---------- Layout ---------- */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section-head{margin-bottom:52px;max-width:760px}
.section-head h2{font-size:clamp(1.9rem,3.4vw,2.9rem);margin:18px 0 0}
.section-head h2 em{font-style:italic;color:var(--gold-600)}
.section-head p.lead{margin-top:20px;color:var(--ink-soft);font-size:1.05rem}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .overline::before{display:none}

/* dark section */
.section--dark{background:var(--navy-900);color:var(--ivory-100);position:relative;overflow:hidden}
.section--dark .lead,.dark p{color:rgba(244,239,229,.78)}
.section--dark::before{content:"";position:absolute;inset:0;background:
  radial-gradient(1200px 500px at 85% -10%,rgba(198,162,91,.10),transparent 60%),
  radial-gradient(900px 420px at -10% 110%,rgba(35,64,106,.5),transparent 60%);pointer-events:none}

/* gold hairline separator */
.goldrule{width:76px;height:1px;background:linear-gradient(90deg,var(--gold-500),transparent);border:0}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.7em;
  padding:15px 34px;font-size:.92rem;letter-spacing:.18em;
  font-weight:600;border:1px solid var(--gold-600);color:var(--gold-700);
  text-transform:uppercase;transition:all .35s var(--ease);background:transparent;position:relative;overflow:hidden;
}
.btn::after{content:"";position:absolute;inset:0;background:var(--gold-600);transform:translateY(101%);transition:transform .4s var(--ease);z-index:-1}
.btn:hover{color:#fff;border-color:var(--gold-500)}
.btn:hover::after{transform:translateY(0)}
.btn--gold{background:var(--gold-600);color:#fff;border-color:var(--gold-600)}
.btn--gold::after{background:var(--navy-800)}
.btn--ghost-dark{color:var(--ivory-100);border-color:var(--gold-400);color:var(--gold-300)}
.btn--ghost-dark:hover{color:#fff}
.btn .arr{transition:transform .35s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(11,23,41,.97);
  backdrop-filter:blur(10px);border-bottom:1px solid rgba(198,162,91,.18);
  transition:box-shadow .3s;
}
.site-header.is-stuck{box-shadow:0 10px 30px rgba(0,0,0,.25)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:24px}
.brand{display:flex;align-items:center;gap:16px;flex:none}
.brand-emblem{
  width:46px;height:46px;flex:none;border:1px solid var(--gold-500);position:relative;
  display:grid;place-items:center;background:linear-gradient(145deg,rgba(198,162,91,.14),rgba(198,162,91,.02));
}
.brand-emblem::before{content:"";position:absolute;inset:4px;border:1px solid rgba(198,162,91,.35)}
.brand-emblem span{font-family:var(--serif-en);font-size:1.5rem;color:var(--gold-400);font-weight:600;line-height:1}
.brand-name{line-height:1.25}
.brand-name .cn{font-family:var(--serif-cn);color:var(--ivory-50);font-size:1.12rem;font-weight:700;letter-spacing:.16em}
.brand-name .en{display:block;color:var(--gold-300);font-family:var(--serif-en);letter-spacing:.34em;font-size:.62rem;text-transform:uppercase;margin-top:2px}

.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.main-nav a{
  padding:10px 16px;font-size:.9rem;letter-spacing:.16em;color:rgba(244,239,229,.82);
  text-transform:uppercase;position:relative;transition:color .3s;font-weight:500;
}
.main-nav a::after{content:"";position:absolute;left:16px;right:16px;bottom:4px;height:1px;background:var(--gold-400);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.main-nav a:hover{color:#fff}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.active{color:#fff}
.main-nav a.active::after{transform:scaleX(1)}

.lang-switch{
  display:flex;align-items:center;border:1px solid rgba(198,162,91,.5);
  margin-left:14px;overflow:hidden;flex:none;
}
.lang-switch a{
  padding:7px 13px;font-size:.78rem;letter-spacing:.14em;color:var(--ivory-100);
  background:transparent;transition:all .3s;font-weight:600;
}
.lang-switch a.cur{background:var(--gold-600);color:#0b1729}
.lang-switch a:not(.cur):hover{color:var(--gold-300)}

.nav-toggle{display:none;flex-direction:column;gap:6px;padding:10px;margin-left:6px}
.nav-toggle span{width:26px;height:1.6px;background:var(--ivory-100);transition:.3s}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7.6px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7.6px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:min(88vh,860px);display:flex;align-items:center;
  background:var(--navy-950);color:var(--ivory-50);overflow:hidden;
}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.62;filter:contrast(1.05) saturate(.9);
  animation:fh-kenburns 52s ease-in-out infinite alternate;will-change:transform}
@keyframes fh-kenburns{
  from{transform:scale(1) translate(0,0)}
  55%{transform:scale(1.08) translate(-1.4%,.8%)}
  to{transform:scale(1.16) translate(-2.4%,1.8%)}
}
@media (prefers-reduced-motion:reduce){.hero-bg img{animation:none}}
.hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(78deg,rgba(8,17,32,.96) 0%,rgba(8,17,32,.78) 42%,rgba(8,17,32,.25) 100%),
             linear-gradient(0deg,rgba(8,17,32,.5),transparent 40%);}
.hero-inner{position:relative;z-index:2;padding:120px 0 110px;max-width:840px}
.hero .overline{color:var(--gold-400)}
.hero h1{font-size:clamp(2.7rem,6vw,4.9rem);margin:26px 0 6px;font-weight:600}
.hero h1 .thin{font-weight:300;color:var(--gold-300);display:block}
.hero .hero-sub{font-size:clamp(1.05rem,1.6vw,1.35rem);color:rgba(244,239,229,.85);max-width:640px;margin:26px 0 0;line-height:1.85}
.hero .goldrule{margin:30px 0}
.hero-cta{display:flex;gap:18px;flex-wrap:wrap;margin-top:38px}
.hero-foot{position:absolute;bottom:0;left:0;right:0;z-index:2;border-top:1px solid rgba(234,217,178,.18)}
.hero-foot .container{display:grid;grid-template-columns:repeat(4,1fr)}
.hero-stat{padding:20px 22px 18px 0;border-right:1px solid rgba(234,217,178,.14)}
.hero-stat+.hero-stat{padding-left:26px}
.hero-stat b{font-family:var(--serif-en);font-size:1.8rem;font-weight:600;color:var(--gold-400);display:block}
.hero-stat span{font-size:.78rem;letter-spacing:.18em;color:rgba(244,239,229,.66);text-transform:uppercase}

/* page hero (inner pages) */
.page-hero{background:var(--navy-900);color:var(--ivory-50);position:relative;overflow:hidden;padding:96px 0 88px;border-bottom:1px solid var(--line-dark)}
.page-hero .bg-img{position:absolute;inset:0;opacity:.16}
.page-hero .bg-img img{width:100%;height:100%;object-fit:cover;filter:grayscale(1)}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,17,32,.55),transparent)}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{font-size:clamp(2.2rem,4.4vw,3.6rem);margin:20px 0 0}
.page-hero .crumb{font-size:.82rem;letter-spacing:.22em;color:rgba(244,239,229,.6);text-transform:uppercase;display:flex;gap:.8em;align-items:center}
.page-hero .crumb a:hover{color:var(--gold-300)}
.page-hero .crumb i{font-style:normal;color:var(--gold-500)}
.page-hero p.lead{margin-top:20px;max-width:720px;color:rgba(244,239,229,.82);font-size:1.08rem}

/* ---------- Intro / manifesto ---------- */
.manifesto p{font-size:1.12rem;color:var(--ink-soft)}
.manifesto .drop{float:left;font-family:var(--serif-en);font-size:4.4rem;line-height:.82;color:var(--gold-600);padding:6px 14px 0 0;font-weight:600}

/* ---------- Solution tiles ---------- */
.sol-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.sol-card{
  position:relative;padding:46px 30px 40px;background:transparent;border:1px solid var(--line);
  transition:all .45s var(--ease);display:flex;flex-direction:column;min-height:340px;overflow:hidden;
}
.sol-card + .sol-card{border-left:0}
.sol-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--gold-500),var(--gold-300));transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease)}
.sol-card:hover::before,.sol-card:focus-within::before{transform:scaleX(1)}
.sol-card:hover{background:#fff;box-shadow:var(--shadow-md);transform:translateY(-6px);z-index:2}
.sol-num{font-family:var(--serif-en);font-size:.95rem;letter-spacing:.3em;color:var(--gold-600);display:flex;justify-content:space-between;align-items:center}
.sol-num .ln{width:44px;height:1px;background:var(--line)}
.sol-card h3{font-size:1.55rem;margin:26px 0 6px}
.sol-card h3 small{display:block;font-family:var(--sans);font-size:.68rem;letter-spacing:.3em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-top:8px}
.sol-card .en-name{font-family:var(--serif-en);font-style:italic;color:var(--gold-600);font-size:1rem;display:block;margin-top:2px}
.sol-card p{color:var(--ink-soft);font-size:.98rem;margin-top:14px;flex:1}
.sol-link{margin-top:22px;font-size:.85rem;letter-spacing:.2em;color:var(--gold-700);text-transform:uppercase;display:inline-flex;align-items:center;gap:.6em;font-weight:600}
.sol-link .arr{transition:transform .3s}
.sol-card:hover .sol-link .arr{transform:translateX(5px)}

/* ---------- Split / features ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:72px;align-items:center}
.split-img{position:relative}
.split-img .ph{border:1px solid var(--line);box-shadow:var(--shadow-md);position:relative;overflow:hidden;background:var(--navy-800)}
.split-img .ph img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.03);transition:transform 1.2s var(--ease)}
.split-img:hover .ph img{transform:scale(1.03)}
.split-img .ph::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(198,162,91,.14),transparent 55%)}
.frame-gold{position:absolute;inset:-18px 18px 18px -18px;border:1px solid var(--line);z-index:-1}
.split-img .cap{position:absolute;left:-14px;bottom:-16px;background:var(--navy-900);color:var(--gold-300);font-size:.7rem;letter-spacing:.3em;padding:10px 18px;text-transform:uppercase;border:1px solid var(--gold-500);white-space:nowrap}
ul.check{display:grid;gap:14px;margin-top:26px}
ul.check li{display:flex;gap:14px;align-items:flex-start;color:var(--ink-soft)}
ul.check li::before{content:"";width:22px;height:10px;margin-top:8px;border-left:1.6px solid var(--gold-500);border-bottom:1.6px solid var(--gold-500);transform:rotate(-48deg) translateY(-2px);flex:none}

/* ---------- Numbers band ---------- */
.nums{background:var(--navy-900);color:var(--ivory-100);position:relative}
.nums-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;z-index:2}
.num-item{text-align:center;padding:14px 22px;position:relative}
.num-item+.num-item::before{content:"";position:absolute;left:0;top:12%;height:76%;width:1px;background:rgba(198,162,91,.25)}
.num-item b{font-family:var(--serif-en),var(--serif-cn);font-size:clamp(2.4rem,4vw,3.6rem);font-weight:600;color:var(--gold-400);display:block;line-height:1.1}
.num-item b small{font-size:.5em;font-weight:400;color:var(--gold-300);margin-left:2px}
.num-item span{font-size:.8rem;letter-spacing:.26em;text-transform:uppercase;color:rgba(244,239,229,.66);display:block;margin-top:12px}

/* ---------- Quote ---------- */
.quote-band{text-align:center;background:var(--ivory-100)}
.quote-band blockquote{font-family:var(--serif-cn),var(--serif-en);font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.7;color:var(--ink);max-width:900px;margin:0 auto;font-weight:500}
.quote-band blockquote em{color:var(--gold-700);font-style:normal}
.quote-band .qmark{font-family:var(--serif-en);font-size:4.2rem;line-height:0;color:var(--gold-500);display:block;margin-bottom:22px}

/* ---------- Value cards ---------- */
.val-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.val-card{border:1px solid var(--line);padding:38px 34px;background:#fff;position:relative;transition:all .4s var(--ease)}
.val-card:hover{box-shadow:var(--shadow-sm);transform:translateY(-4px)}
.val-card .ico{width:52px;height:52px;border:1px solid var(--gold-500);display:grid;place-items:center;margin-bottom:22px;color:var(--gold-600);background:linear-gradient(145deg,var(--ivory-100),#fff)}
.val-card h3{font-size:1.3rem;margin-bottom:12px}
.val-card p{color:var(--ink-soft);font-size:.98rem}

/* ---------- Timeline ---------- */
.timeline{position:relative;max-width:860px;margin:0 auto}
.timeline::before{content:"";position:absolute;left:118px;top:6px;bottom:6px;width:1px;background:var(--line)}
.tl-item{display:grid;grid-template-columns:110px 1fr;gap:34px;padding:22px 0;position:relative}
.tl-item .yr{font-family:var(--serif-en);font-size:1.7rem;font-weight:600;color:var(--gold-600);text-align:right;line-height:1.2}
.tl-item .dot{position:absolute;left:118px;top:34px;width:11px;height:11px;background:var(--gold-500);transform:translateX(-50%) rotate(45deg)}
.tl-item h4{font-size:1.15rem;margin-bottom:6px}
.tl-item p{color:var(--ink-soft);font-size:.98rem}

/* ---------- News ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.news-card{background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;transition:all .4s var(--ease)}
.news-card:hover{box-shadow:var(--shadow-md);transform:translateY(-5px)}
.news-card .nc-img{aspect-ratio:16/10;overflow:hidden;position:relative;background:var(--navy-800)}
.news-card .nc-img img{width:100%;height:100%;object-fit:cover;filter:grayscale(1);transition:transform .9s var(--ease)}
.news-card:hover .nc-img img{transform:scale(1.06)}
.news-card .nc-img::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(198,162,91,.16),rgba(11,23,41,.18))}
.news-card .nc-body{padding:26px 28px 30px;display:flex;flex-direction:column;flex:1}
.news-card .date{font-size:.76rem;letter-spacing:.24em;color:var(--gold-700);text-transform:uppercase;font-weight:600}
.news-card h3{font-size:1.16rem;margin:12px 0 10px;line-height:1.55}
.news-card h3 a:hover{color:var(--gold-700)}
.news-card p{color:var(--ink-soft);font-size:.95rem;flex:1}
.news-card .more{margin-top:18px;font-size:.82rem;letter-spacing:.2em;color:var(--gold-700);text-transform:uppercase;font-weight:600}

/* ---------- Page split detail (solution pages) ---------- */
.dir-list{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.dir-card{background:#fff;border:1px solid var(--line);padding:36px 32px;position:relative;overflow:hidden;transition:all .4s var(--ease)}
.dir-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--gold-500);transform:scaleY(0);transform-origin:top;transition:transform .4s var(--ease)}
.dir-card:hover{box-shadow:var(--shadow-sm);transform:translateY(-4px)}
.dir-card:hover::before{transform:scaleY(1)}
.dir-card .no{font-family:var(--serif-en);color:var(--gold-500);font-size:.9rem;letter-spacing:.28em}
.dir-card h3{font-size:1.25rem;margin:14px 0 10px}
.dir-card p{color:var(--ink-soft);font-size:.97rem}
.dir-card ul{margin-top:14px;display:grid;gap:8px}
.dir-card ul li{font-size:.92rem;color:var(--ink-soft);padding-left:18px;position:relative}
.dir-card ul li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border:1px solid var(--gold-500);transform:rotate(45deg)}

/* solutions overview matrix */
.matrix{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line)}
.mx-item{display:flex;gap:26px;padding:42px 40px;border-bottom:1px solid var(--line);background:#fff;transition:background .3s}
.mx-item:nth-child(odd){border-right:1px solid var(--line)}
.mx-item:nth-last-child(-n+2){border-bottom:0}
.mx-item:hover{background:var(--ivory-100)}
.mx-item .no{font-family:var(--serif-en);color:var(--gold-500);font-size:1.05rem;letter-spacing:.22em;flex:none;padding-top:6px}
.mx-item h3{font-size:1.45rem}
.mx-item .tag{font-family:var(--sans);font-size:.68rem;letter-spacing:.3em;text-transform:uppercase;color:var(--muted);font-weight:600;display:block;margin-top:6px}
.mx-item p{color:var(--ink-soft);font-size:.97rem;margin-top:12px}
.mx-item a{display:inline-flex;align-items:center;gap:.5em;margin-top:18px;font-size:.82rem;letter-spacing:.2em;color:var(--gold-700);text-transform:uppercase;font-weight:600}
.mx-item a .arr{transition:transform .3s}
.mx-item a:hover .arr{transform:translateX(5px)}

/* ---------- Partner logos (investment) ---------- */
.logo-wall{border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);padding:26px 0}
.logo-row{display:grid;grid-template-columns:repeat(4,1fr);gap:4px}
.logo-cell{
  height:112px;display:flex;align-items:center;justify-content:center;gap:10px;
  border:1px solid rgba(234,217,178,.12);background:rgba(244,239,229,.03);
  color:rgba(244,239,229,.6);transition:all .35s var(--ease);padding:0 14px;text-align:center;
}
.logo-cell:hover{background:rgba(198,162,91,.08);color:var(--ivory-50);border-color:rgba(198,162,91,.5)}
.logo-cell .lg-ico{width:30px;height:30px;flex:none;opacity:.9}
.logo-cell img{max-height:44px;max-width:120px;filter:grayscale(1) brightness(1.6);opacity:.85;transition:.3s}
.logo-cell:hover img{opacity:1;filter:grayscale(1) brightness(1.9)}
.logo-cell .lg-name{font-family:var(--serif-en);letter-spacing:.22em;font-size:.86rem;text-transform:uppercase;white-space:nowrap}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(120deg,var(--navy-950),var(--navy-800));color:var(--ivory-50);position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;inset:0;background:radial-gradient(700px 300px at 80% 30%,rgba(198,162,91,.14),transparent 60%);pointer-events:none}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;position:relative;z-index:2}
.cta-inner h2{font-size:clamp(1.7rem,3vw,2.6rem);max-width:640px}
.cta-inner p{color:rgba(244,239,229,.75);margin-top:12px;max-width:560px}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);background:#fff}
.c-card{padding:40px 32px;text-align:left;border-right:1px solid var(--line);transition:background .3s}
.c-card:last-child{border-right:0}
.c-card:hover{background:var(--ivory-100)}
.c-card .tt{font-size:.74rem;letter-spacing:.3em;text-transform:uppercase;color:var(--gold-700);font-weight:700;display:flex;align-items:center;gap:12px}
.c-card .tt::before{content:"";width:22px;height:1px;background:var(--gold-500)}
.c-card .vv{margin-top:18px;font-size:1rem;color:var(--ink);line-height:1.9;word-break:break-all}
.c-card .vv a:hover{color:var(--gold-700)}
.c-card .vv small{display:block;color:var(--muted);font-size:.86rem}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-950);color:rgba(244,239,229,.7);font-size:.95rem;border-top:3px solid var(--gold-600)}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;padding:72px 0 56px}
.footer-top .brand-name .cn{color:var(--ivory-50)}
.footer-desc{margin-top:20px;color:rgba(244,239,229,.6);font-size:.93rem;line-height:1.9;max-width:340px}
.footer-col h5{color:var(--gold-400);font-size:.78rem;letter-spacing:.3em;text-transform:uppercase;font-weight:600;margin-bottom:24px;font-family:var(--sans)}
.footer-col ul{display:grid;gap:12px}
.footer-col a{color:rgba(244,239,229,.66);transition:all .3s;font-size:.94rem}
.footer-col a:hover{color:var(--gold-300);padding-left:4px}
.footer-col p{color:rgba(244,239,229,.6);font-size:.94rem;line-height:2}
.footer-col p b{color:var(--ivory-100);font-weight:600}
.footer-bottom{border-top:1px solid rgba(198,162,91,.16);padding:22px 0}
.footer-bottom .container{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:.83rem;color:rgba(244,239,229,.45)}
.footer-bottom a:hover{color:var(--gold-300)}
.beian{letter-spacing:.04em}

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

/* ---------- Co-grid (dark synergy band) ---------- */
.co-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(234,217,178,.2);border:1px solid rgba(234,217,178,.2)}
.co-tile{background:var(--navy-900);padding:36px 30px}
.crumb i{font-style:normal;color:var(--gold-500);margin:0 .6em}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .sol-grid{grid-template-columns:repeat(2,1fr)}
  .sol-card+.sol-card{border-left:1px solid var(--line);border-top:0}
  .sol-card:nth-child(3){border-left:0}
  .nums-grid,.hero-foot .container{grid-template-columns:repeat(2,1fr);gap:18px 0}
  .hero-foot .container{gap:0}
  .num-item+.num-item::before{display:none}
  .hero-stat{border:0;text-align:center;padding:14px 8px!important}
  .dir-list,.news-grid,.val-grid{grid-template-columns:repeat(2,1fr)}
  .co-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:repeat(2,1fr)}
  .c-card{border-bottom:1px solid var(--line)}
  .c-card:nth-child(2){border-right:0}
  .matrix{grid-template-columns:1fr}
  .mx-item:nth-child(odd){border-right:0}
  .mx-item{border-bottom:1px solid var(--line)!important}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .main-nav{
    position:fixed;inset:var(--header-h) 0 auto 0;background:rgba(11,23,41,.99);
    flex-direction:column;align-items:stretch;padding:18px 26px 30px;gap:2px;
    transform:translateY(-120%);transition:transform .45s var(--ease);border-bottom:1px solid var(--line-dark);max-height:calc(100vh - var(--header-h));overflow:auto;
  }
  body.nav-open .main-nav{transform:translateY(0)}
  .main-nav a{padding:15px 4px;border-bottom:1px solid rgba(198,162,91,.12)}
  .lang-switch{margin:20px 0 0}
  .nav-toggle{display:flex}
  .split{grid-template-columns:1fr;gap:56px}
  .section{padding:76px 0}
  .hero{min-height:auto}
  .hero-inner{padding:110px 0 150px}
}
@media (max-width:620px){
  .container{padding:0 20px}
  .co-grid{grid-template-columns:1fr}
  .sol-grid,.nums-grid,.dir-list,.news-grid,.val-grid,.contact-grid,.logo-row,.footer-top{grid-template-columns:1fr}
  .sol-card+.sol-card,.sol-card{border-left:1px solid var(--line)}
  .sol-card+.sol-card{border-top:0}
  .num-item{padding:20px}
  .logo-cell{height:96px}
  .timeline::before{left:16px}
  .tl-item{grid-template-columns:1fr;gap:6px;padding-left:44px}
  .tl-item .yr{text-align:left}
  .tl-item .dot{left:12px;top:30px}
  .mx-item{flex-direction:column;gap:12px;padding:30px 24px}
  .brand-name .cn{font-size:1rem}
  .brand-name .en{font-size:.56rem}
  .brand-emblem{width:40px;height:40px}
  .hero-cta .btn{width:100%;justify-content:center}
  .footer-bottom .container{justify-content:center;text-align:center}
}

/* ---------- v0.3: 新闻卡为链接 + 三列宫格 ---------- */
a.news-card{display:block;text-decoration:none;color:inherit}
a.news-card:hover h3{color:var(--gold-700)}
a.news-card .more{transition:color .3s}
a.news-card:hover .more{color:var(--gold-600)}
.co-grid--3{grid-template-columns:repeat(3,1fr)}
@media (max-width:900px){.co-grid--3{grid-template-columns:1fr}}
.article-body p{margin-bottom:1.4em}

/* ---------- v0.5: 企业主题大图（去灰度全彩展示） ---------- */
.ph{overflow:hidden;position:relative}
.ph img{width:100%;height:100%;object-fit:cover;opacity:.96;filter:saturate(.94) contrast(1.02)}
.ph::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(198,162,91,.28);pointer-events:none}
.news-card .nc-img img{filter:none}
.page-hero .bg-img{opacity:.3}
.page-hero .bg-img img{filter:none}
@media (prefers-reduced-motion:no-preference){.ph img{transition:transform 12s ease}}
.split-img:hover .ph img{transform:scale(1.04)}

/* ---------- v0.8: 定稿前修正 ---------- */
.val-card .ico{color:var(--gold-700);border-color:var(--gold-600)}
.val-card h3{color:var(--navy-900)}
.section--dark .overline{color:var(--gold-500)}
a.beian{color:inherit;text-decoration:none;transition:color .3s}
a.beian:hover{color:var(--gold-400)}