/* ================= HONGQI — Premium Corporate ================= */
:root{
  --navy-900:#081527; --navy-800:#0A1E38; --navy-700:#10294A; --navy-600:#163457;
  --gold-500:#C6A15B; --gold-400:#D4B578; --gold-300:#E4CE9C; --gold-100:#F4EAD5;
  --ivory:#F7F4EE; --paper:#FFFFFF; --line:#E6E1D6;
  --ink:#1B2733; --ink-soft:#5A6B7B; --ink-faint:#8A97A5;
  --serif:"Noto Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","PingFang SC",system-ui,sans-serif;
  --shadow-1:0 2px 12px rgba(10,30,56,.06);
  --shadow-2:0 18px 50px -12px rgba(10,30,56,.18);
  --r-lg:20px; --r-md:14px; --r-sm:10px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.7;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.container{width:min(1180px,92%);margin:0 auto}

/* ---------- reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.d1{transition-delay:.1s}.reveal.d2{transition-delay:.2s}.reveal.d3{transition-delay:.3s}
.reveal.in{opacity:1;transform:none}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--sans);font-size:15px;font-weight:500;letter-spacing:.04em;padding:13px 30px;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:all .3s var(--ease)}
.btn-gold{background:linear-gradient(135deg,var(--gold-400),var(--gold-500));color:var(--navy-900);box-shadow:0 8px 20px -8px rgba(198,161,91,.6)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 28px -8px rgba(198,161,91,.7)}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;background:rgba(255,255,255,.06);backdrop-filter:blur(4px)}
.btn-ghost:hover{background:rgba(255,255,255,.16);border-color:#fff}
.btn-sm{padding:9px 20px;font-size:13.5px}
.btn-block{width:100%}

/* ---------- reading progress bar ---------- */
.readbar{position:fixed;top:0;left:0;right:0;height:3px;z-index:120;pointer-events:none}
.readbar span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--gold-500),var(--gold-300));box-shadow:0 0 8px rgba(198,161,91,.5)}

/* ---------- side dot navigation ---------- */
.dotnav{position:fixed;right:22px;top:50%;transform:translateY(-50%);z-index:90;display:flex;flex-direction:column;gap:10px}
.dotnav a{position:relative;width:22px;height:22px;display:grid;place-items:center;cursor:pointer}
/* dot: white core + navy ring => readable on BOTH dark hero and light sections */
.dotnav a i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.95);box-shadow:0 0 0 1.5px rgba(8,21,39,.6),0 1px 5px rgba(0,0,0,.4);transition:all .35s var(--ease)}
.dotnav a em{position:absolute;right:28px;top:50%;transform:translate(8px,-50%);font-style:normal;font-size:12px;letter-spacing:.14em;white-space:nowrap;color:#fff;background:rgba(8,21,39,.94);border:1px solid rgba(198,161,91,.5);padding:5px 13px;border-radius:999px;opacity:0;pointer-events:none;transition:all .3s var(--ease);box-shadow:var(--shadow-2)}
.dotnav a:hover i{background:var(--gold-300);box-shadow:0 0 0 1.5px rgba(8,21,39,.6),0 0 0 5px rgba(198,161,91,.28)}
.dotnav a:hover em{opacity:1;transform:translate(0,-50%)}
.dotnav a.active i{width:11px;height:11px;background:linear-gradient(135deg,var(--gold-300),var(--gold-500));box-shadow:0 0 0 2px rgba(255,255,255,.9),0 0 0 4px rgba(198,161,91,.35)}
.dotnav a.active em{opacity:1;transform:translate(0,-50%)}

/* ---------- back to top ---------- */
.totop{position:fixed;right:24px;bottom:36px;z-index:90;width:46px;height:46px;border-radius:50%;border:1px solid rgba(198,161,91,.55);background:rgba(10,30,56,.9);color:var(--gold-300);font-size:17px;line-height:1;cursor:pointer;opacity:0;pointer-events:none;transform:translateY(12px);transition:all .4s var(--ease);backdrop-filter:blur(8px)}
.totop.show{opacity:1;pointer-events:auto;transform:none}
.totop:hover{background:linear-gradient(135deg,var(--gold-400),var(--gold-500));color:var(--navy-900);transform:translateY(-3px)}

/* ---------- nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:all .4s var(--ease);padding:18px 0}
.nav.scrolled{background:rgba(8,21,39,.92);backdrop-filter:blur(14px);padding:11px 0;box-shadow:0 6px 24px rgba(0,0,0,.25)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:11px;color:#fff}
.brand-mark{width:42px;height:42px;border-radius:11px;background:linear-gradient(145deg,var(--gold-400),var(--gold-500));color:var(--navy-900);font-family:var(--serif);font-size:24px;font-weight:700;display:grid;place-items:center;box-shadow:inset 0 0 0 1px rgba(255,255,255,.25)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-family:var(--serif);font-size:17px;letter-spacing:.08em}
.brand-text em{font-style:normal;font-size:9.5px;letter-spacing:.32em;color:var(--gold-300)}
.nav-links{display:flex;gap:34px}
.nav-links a{color:rgba(255,255,255,.82);font-size:14.5px;letter-spacing:.05em;position:relative;padding:4px 0;transition:color .3s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1.5px;background:var(--gold-400);transition:width .35s var(--ease)}
.nav-links a:hover{color:#fff}.nav-links a:hover::after{width:100%}
.nav-links a.active{color:var(--gold-300)}
.nav-links a.active::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:12px}
.lang-btn{background:transparent;border:1px solid rgba(255,255,255,.4);color:#fff;width:44px;height:34px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.1em;cursor:pointer;transition:all .3s}
.lang-btn:hover{border-color:var(--gold-400);color:var(--gold-300)}
.nav-burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.nav-burger span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.3s}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;background:var(--navy-900)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center 38%;transform:scale(1.06);animation:heroZoom 14s var(--ease) forwards}
@keyframes heroZoom{to{transform:scale(1)}}
.hero-veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,21,39,.88) 10%,rgba(8,21,39,.62) 46%,rgba(8,21,39,.3) 100%),linear-gradient(to top,rgba(8,21,39,.85),transparent 42%)}
.hero-inner{position:relative;z-index:2;color:#fff;padding:140px 0 90px}
.hero-eyebrow{font-size:13.5px;letter-spacing:.42em;color:var(--gold-300);text-transform:uppercase;margin-bottom:26px;display:flex;align-items:center;gap:16px}
.hero-eyebrow::before{content:"";width:44px;height:1px;background:var(--gold-400)}
.hero-title{font-family:var(--serif);font-weight:600;font-size:clamp(38px,5.6vw,72px);line-height:1.18;letter-spacing:.01em;margin-bottom:28px;text-shadow:0 2px 24px rgba(8,21,39,.55)}
.hero-title span{color:var(--gold-300)}
.hero-sub{max-width:560px;font-size:16.5px;font-weight:300;color:rgba(255,255,255,.8);margin-bottom:44px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.hero-scroll{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);z-index:2;width:26px;height:42px;border:1.5px solid rgba(255,255,255,.4);border-radius:14px}
.hero-scroll span{position:absolute;top:8px;left:50%;width:3px;height:8px;margin-left:-1.5px;border-radius:3px;background:var(--gold-300);animation:scrollDot 1.8s infinite}
@keyframes scrollDot{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(14px)}}

/* ---------- stats ---------- */
.stats{background:var(--navy-800);border-top:1px solid rgba(198,161,91,.25)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{text-align:center;padding:44px 12px;border-right:1px solid rgba(255,255,255,.07);color:#fff}
.stat:last-child{border-right:none}
.stat strong{display:block;font-family:var(--serif);font-size:46px;font-weight:600;color:var(--gold-300);line-height:1}
.stat strong span{font-size:26px}
.stat span:not(:first-child){display:block;margin-top:12px;font-size:13px;letter-spacing:.18em;color:rgba(255,255,255,.6)}

/* ---------- sections ---------- */
.section{padding:110px 0}
.section-dark{background:var(--navy-900);color:#fff}
.section-ivory{background:var(--ivory)}
.sec-head{max-width:640px;margin-bottom:56px}
.sec-head.light{color:#fff}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-eyebrow{font-size:12.5px;letter-spacing:.42em;color:var(--gold-500);text-transform:uppercase;margin-bottom:16px}
.sec-title{font-family:var(--serif);font-size:clamp(30px,3.6vw,44px);font-weight:600;line-height:1.25;letter-spacing:.02em}
.sec-desc{margin-top:16px;color:var(--ink-soft);font-size:15.5px}
.sec-head.light .sec-desc{color:rgba(255,255,255,.62)}

/* ---------- category chips ---------- */
.cat-chips{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:40px}
.chip{font-family:var(--sans);font-size:14px;padding:9px 22px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-soft);cursor:pointer;transition:all .3s var(--ease)}
.chip:hover{border-color:var(--gold-400);color:var(--navy-800)}
.chip.active{background:var(--navy-800);border-color:var(--navy-800);color:var(--gold-300)}

/* ---------- bento ---------- */
.bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:150px;gap:16px;margin-bottom:16px}
.btile{position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--navy-800);color:#fff;cursor:pointer}
.btile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease);opacity:.92}
.btile:hover img{transform:scale(1.07)}
.btile::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(8,21,39,.85),rgba(8,21,39,.05) 60%)}
.btile-info{position:absolute;left:20px;right:20px;bottom:18px;z-index:2}
.btile-info h3{font-family:var(--serif);font-size:19px;font-weight:600;letter-spacing:.04em}
.btile-info p{font-size:12.5px;color:var(--gold-300);letter-spacing:.14em;margin-top:3px}
.btile-count{position:absolute;top:16px;right:18px;z-index:2;font-size:12px;letter-spacing:.1em;background:rgba(8,21,39,.55);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.18);padding:4px 12px;border-radius:999px;color:var(--gold-300)}
.btile.feature{grid-column:span 2;grid-row:span 2}
.btile.wide{grid-column:span 2}

/* ---------- product grid ---------- */
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;cursor:pointer;transition:all .45s var(--ease)}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-2);border-color:transparent}
.pcard-img{position:relative;aspect-ratio:1/1;overflow:hidden;background:var(--ivory)}
.pcard-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.pcard:hover .pcard-img img{transform:scale(1.08)}
.pcard-tag{position:absolute;top:12px;left:12px;background:rgba(8,21,39,.72);backdrop-filter:blur(4px);color:var(--gold-300);font-size:11px;letter-spacing:.1em;padding:4px 11px;border-radius:999px}
.pcard-oem{position:absolute;top:12px;right:12px;background:var(--gold-400);color:var(--navy-900);font-size:11px;font-weight:700;letter-spacing:.08em;padding:4px 11px;border-radius:999px}
.pcard-body{padding:18px 18px 20px}
.pcard-body h3{font-size:15.5px;font-weight:500;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pcard-body p{margin-top:6px;font-size:12px;color:var(--ink-faint);letter-spacing:.06em}
.product-grid.fading{opacity:0;transform:translateY(10px);transition:opacity .18s ease,transform .18s ease}
.empty-tip{text-align:center;color:var(--ink-faint);padding:40px 0;font-size:14px}

/* ---------- gallery rail ---------- */
.gallery-rail-wrap{overflow:hidden;mask-image:linear-gradient(to right,transparent,#000 4%,#000 96%,transparent);-webkit-mask-image:linear-gradient(to right,transparent,#000 4%,#000 96%,transparent)}
.rail-progress{height:2px;margin:0 4%;background:rgba(255,255,255,.12);border-radius:2px;overflow:hidden}
.rail-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--gold-500),var(--gold-300));transition:width .15s linear}
.gallery-rail{display:flex;gap:16px;padding:10px 4% 26px;overflow-x:auto;cursor:grab;scrollbar-width:none}
.gallery-rail::-webkit-scrollbar{display:none}
.gallery-rail.dragging{cursor:grabbing}
.gcard{flex:0 0 300px;position:relative;border-radius:var(--r-md);overflow:hidden;background:var(--navy-700)}
.gcard img{width:100%;height:210px;object-fit:cover;transition:transform 1s var(--ease);opacity:.94}
.gcard:hover img{transform:scale(1.08)}
.gcard span{position:absolute;left:16px;bottom:14px;z-index:2;font-size:14px;letter-spacing:.08em;color:#fff;text-shadow:0 2px 10px rgba(0,0,0,.5)}
.gcard::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(8,21,39,.7),transparent 45%)}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:70px;align-items:center}
.about-media{position:relative}
.about-media img{border-radius:var(--r-lg);width:100%;height:440px;object-fit:cover;box-shadow:var(--shadow-2)}
.about-media-frame{position:absolute;inset:-18px 18px 18px -18px;border:1.5px solid var(--gold-400);border-radius:var(--r-lg);z-index:-1}
.about-body{color:var(--ink-soft);font-size:15.5px;margin:26px 0}
.about-points{list-style:none;display:grid;gap:14px}
.about-points li{position:relative;padding-left:30px;font-size:15px;color:var(--ink)}
.about-points li::before{content:"";position:absolute;left:0;top:9px;width:14px;height:14px;border-radius:4px;background:linear-gradient(135deg,var(--gold-400),var(--gold-500));box-shadow:0 3px 8px -2px rgba(198,161,91,.6)}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.ncard{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;cursor:pointer;transition:all .45s var(--ease);display:flex;flex-direction:column}
.ncard:hover{transform:translateY(-5px);box-shadow:var(--shadow-2)}
.ncard-img{height:220px;overflow:hidden;background:var(--navy-800)}
.ncard-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.ncard:hover .ncard-img img{transform:scale(1.06)}
.ncard-body{padding:24px 26px 26px}
.ncard-date{font-size:12px;letter-spacing:.12em;color:var(--gold-500)}
.ncard-body h3{font-family:var(--serif);font-size:19px;font-weight:600;margin:10px 0;letter-spacing:.02em}
.ncard-body p{font-size:14px;color:var(--ink-soft);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:64px;align-items:start}
.contact-list{list-style:none;margin-top:34px;display:grid;gap:20px}
.contact-list li{display:flex;gap:16px;align-items:baseline}
.contact-list .ci{flex:0 0 74px;font-size:12.5px;letter-spacing:.2em;color:var(--gold-500)}
.contact-list b{font-weight:500;font-size:15.5px;color:var(--ink)}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:38px;box-shadow:var(--shadow-1)}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.f-field{margin-bottom:18px;display:flex;flex-direction:column;gap:7px}
.f-field label{font-size:12.5px;letter-spacing:.12em;color:var(--ink-soft)}
.f-field input,.f-field textarea{font-family:var(--sans);font-size:14.5px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--ivory);color:var(--ink);transition:all .3s;resize:vertical}
.f-field input:focus,.f-field textarea:focus{outline:none;border-color:var(--gold-400);background:#fff;box-shadow:0 0 0 3px rgba(198,161,91,.14)}
.form-status{margin-top:14px;font-size:13.5px;min-height:20px}
.form-status.ok{color:#2E7D4F}.form-status.err{color:#B4432E}

/* ---------- footer ---------- */
.footer{background:var(--navy-900);color:rgba(255,255,255,.62);padding-top:70px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:48px;padding-bottom:54px}
.footer .brand{margin-bottom:20px}
.f-brand p{font-size:13.5px;line-height:1.9;max-width:300px}
.f-col h4{font-size:12.5px;letter-spacing:.3em;color:var(--gold-300);margin-bottom:20px;font-weight:500}
.f-col a,.f-col p{display:block;font-size:14px;margin-bottom:12px;color:rgba(255,255,255,.62);transition:color .3s}
.f-col a:hover{color:var(--gold-300)}
.footer-legal{border-top:1px solid rgba(255,255,255,.1);padding:22px 0}
.footer-legal .container{display:flex;gap:24px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.42)}
.footer-legal a{color:inherit;text-decoration:none;transition:color .25s}
.footer-legal a:hover{color:var(--gold-300)}

/* ---------- modal ---------- */
.modal{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:4vh 4vw}
.modal[hidden]{display:none}
.modal-backdrop{position:absolute;inset:0;background:rgba(8,21,39,.78);backdrop-filter:blur(6px);animation:fadeIn .3s}
@keyframes fadeIn{from{opacity:0}}
.modal-card{position:relative;background:#fff;border-radius:var(--r-lg);max-width:1000px;width:100%;max-height:90vh;overflow:auto;animation:popIn .4s var(--ease);box-shadow:0 40px 100px rgba(0,0,0,.4)}
.modal-card-narrow{max-width:720px}
@keyframes popIn{from{opacity:0;transform:translateY(24px) scale(.98)}}
.modal-x{position:absolute;top:14px;right:16px;z-index:5;width:38px;height:38px;border-radius:50%;border:none;background:rgba(8,21,39,.55);color:#fff;font-size:20px;cursor:pointer;transition:.3s}
.modal-x:hover{background:var(--gold-500);color:var(--navy-900)}
.modal-body{display:grid;grid-template-columns:1.15fr 1fr;gap:34px;padding:34px}
.pm-main-wrap{position:relative}
#pmMain{width:100%;aspect-ratio:1/1;object-fit:contain;background:var(--ivory);border-radius:var(--r-md)}
.pm-thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:12px}
.pm-thumbs img{aspect-ratio:1/1;object-fit:cover;border-radius:8px;cursor:pointer;opacity:.6;border:2px solid transparent;transition:.3s}
.pm-thumbs img.active,.pm-thumbs img:hover{opacity:1;border-color:var(--gold-400)}
.pm-info{padding-top:8px;display:flex;flex-direction:column;justify-content:center}
.pm-cat{font-size:12px;letter-spacing:.28em;color:var(--gold-500);text-transform:uppercase}
.pm-info h3{font-family:var(--serif);font-size:27px;font-weight:600;margin:14px 0 18px;line-height:1.3}
.pm-desc{font-size:14.5px;color:var(--ink-soft);min-height:60px;margin-bottom:28px}
.modal-nav{display:flex;justify-content:space-between;padding:0 34px 30px}
.pm-arrow{width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:18px;cursor:pointer;color:var(--navy-800);transition:.3s}
.pm-arrow:hover{background:var(--navy-800);color:var(--gold-300);border-color:var(--navy-800)}
.nm-article{padding:46px 48px}
.nm-date{font-size:12px;letter-spacing:.2em;color:var(--gold-500)}
.nm-article h3{font-family:var(--serif);font-size:26px;font-weight:600;margin:14px 0 24px;line-height:1.35}
.nm-body{font-size:15px;color:var(--ink-soft);line-height:2}

/* ---------- responsive ---------- */
@media(max-width:1000px){
  .nav-links{display:none;position:fixed;top:0;right:0;bottom:0;width:260px;background:var(--navy-900);flex-direction:column;padding:100px 34px;gap:26px;transform:translateX(100%);transition:transform .4s var(--ease);z-index:99;box-shadow:-20px 0 60px rgba(0,0,0,.4)}
  .nav-links.open{display:flex;transform:none}
  .nav-burger{display:flex;z-index:101}
  .bento{grid-template-columns:repeat(2,1fr)}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:44px}
  .about-media img{height:340px}
  .news-grid{grid-template-columns:1fr}
  .modal-body{grid-template-columns:1fr}
  .dotnav{display:none}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat{border-bottom:1px solid rgba(255,255,255,.07)}
}
@media(max-width:600px){
  .section{padding:76px 0}
  .product-grid{grid-template-columns:1fr 1fr;gap:12px}
  .bento{grid-template-columns:1fr 1fr}
  .btile.feature{grid-column:span 2;grid-row:span 1}
  .f-row{grid-template-columns:1fr}
  .contact-form{padding:26px}
  .nm-article{padding:32px 26px}
  .pcard-body h3{font-size:14px}
  .hero-cta .btn{padding:12px 24px;font-size:14px}
}