:root{
  --dark:#0b0e17;
  --dark-2:#10141f;
  --ink:#101828;
  --muted:#5d6b82;
  --line:#e6eaf2;
  --bg:#ffffff;
  --soft:#f5f7fb;
  --accent:#0aa2ff;
  --accent-ink:#0069b8;
  --green:#12b76a;
  --radius:16px;
  --shadow:0 10px 30px rgba(16,24,40,.08);
  --shadow-lg:0 24px 60px rgba(16,24,40,.14);
  --font:"Inter","SF Pro Text",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{position:fixed;inset:0 0 auto;z-index:100;transition:background .3s,box-shadow .3s}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-weight:800;font-size:22px;letter-spacing:.5px;color:#fff}
.logo span{color:var(--accent)}
.nav{display:flex;align-items:center;gap:28px}
.nav a{color:rgba(255,255,255,.85);font-size:14.5px;font-weight:600;transition:color .2s}
.nav a:hover{color:#fff}
.nav .cta{background:var(--accent);color:#fff;padding:9px 18px;border-radius:999px;font-weight:700}
.nav .cta:hover{background:#2bb2ff;color:#fff}
.langs{position:relative;flex-shrink:0}
.lang-toggle{display:flex;align-items:center;gap:7px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.28);color:#fff;font-family:inherit;font-size:12.5px;font-weight:800;letter-spacing:.4px;padding:7px 11px;border-radius:8px;cursor:pointer;transition:background .2s,border-color .2s}
.lang-toggle:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.5)}
.lang-globe{opacity:.85}
.lang-caret{font-size:10px;opacity:.8;line-height:1}
.lang-menu{position:absolute;top:calc(100% + 10px);right:0;min-width:190px;max-height:270px;overflow-y:auto;margin:0;padding:6px;list-style:none;background:#0d1120;border:1px solid rgba(255,255,255,.14);border-radius:12px;box-shadow:0 20px 44px rgba(0,0,0,.45);display:none;z-index:130}
.langs.open .lang-menu{display:block}
.lang-menu li{margin:0;list-style:none}
.lang-item{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 12px;border-radius:8px;font-size:13px;font-weight:700;color:rgba(255,255,255,.85);transition:background .15s}
.lang-item b{font-weight:800}
.lang-item span{font-size:11.5px;font-weight:600;color:rgba(255,255,255,.45)}
.lang-item:hover{background:rgba(255,255,255,.09);color:#fff}
.lang-item.active{background:var(--accent);color:#fff}
.lang-item.active span{color:rgba(255,255,255,.85)}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:26px;cursor:pointer;line-height:1}
.site-header.scrolled{background:rgba(10,13,22,.92);backdrop-filter:blur(12px);box-shadow:0 6px 24px rgba(0,0,0,.18)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:92vh;display:flex;align-items:flex-end;color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:url("../img/hero.jpg") center/cover no-repeat}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,10,18,.38) 0%,rgba(8,10,18,.18) 42%,rgba(8,10,18,.78) 100%)}
.hero .wrap{position:relative;z-index:2;padding-bottom:92px}
.hero h1{font-size:clamp(34px,5.4vw,64px);font-weight:800;line-height:1.12;max-width:760px;letter-spacing:-.5px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p{font-size:clamp(15px,1.6vw,19px);color:rgba(255,255,255,.86);max-width:620px;margin-top:18px}
.hero p{font-weight:700}
.wholesale-line{display:inline-block;margin-top:16px;padding:8px 18px;border-radius:999px;background:rgba(10,162,255,.1);border:1px solid rgba(10,162,255,.3);color:var(--accent-ink);font-size:13.5px;font-weight:800;letter-spacing:.2px;white-space:nowrap}
.wholesale-line.on-dark{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.3);color:#fff;margin-top:22px}
@media (max-width:760px){.wholesale-line{white-space:normal;text-align:center}}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:999px;font-weight:700;font-size:15px;transition:transform .2s,box-shadow .2s,background .2s}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#2bb2ff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(10,162,255,.35)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.35);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,255,255,.22);transform:translateY(-2px)}
.hero-meta{margin-top:40px;display:flex;gap:34px;flex-wrap:wrap;color:rgba(255,255,255,.75);font-size:13.5px;font-weight:600}
.hero-meta b{display:block;color:#fff;font-size:20px}

/* ---------- sections ---------- */
section{padding:96px 0}
.sec-head{text-align:center;max-width:680px;margin:0 auto 52px}
.kicker{display:inline-block;color:var(--accent-ink);background:rgba(10,162,255,.1);font-size:12.5px;font-weight:800;letter-spacing:2px;text-transform:uppercase;padding:6px 14px;border-radius:999px;margin-bottom:16px}
.sec-head h2{font-size:clamp(28px,3.4vw,40px);font-weight:800;letter-spacing:-.5px;line-height:1.2}
.sec-head p{color:var(--muted);margin-top:14px;font-size:16px}

/* category cards */
.cats{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cat-card{position:relative;border-radius:var(--radius);overflow:hidden;min-height:300px;display:flex;align-items:flex-end;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.cat-card .bg{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .5s}
.cat-card:hover .bg{transform:scale(1.06)}
.cat-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,10,18,0) 35%,rgba(8,10,18,.82) 100%)}
.cat-card .inner{position:relative;z-index:2;padding:22px;color:#fff}
.cat-card h3{font-size:20px;font-weight:800}
.cat-card p{font-size:13px;color:rgba(255,255,255,.82);margin-top:4px}

/* tabs + chips */
.tab-bar{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.tab-btn{padding:11px 24px;border-radius:999px;border:1px solid var(--line);background:#fff;font-weight:700;font-size:14.5px;cursor:pointer;color:var(--muted);transition:all .2s}
.tab-btn:hover{border-color:var(--accent);color:var(--accent-ink)}
.tab-btn.active{background:var(--dark);color:#fff;border-color:var(--dark)}
.chips{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-bottom:30px}
.chip{padding:7px 16px;border-radius:999px;border:1px solid var(--line);background:var(--soft);font-size:13px;font-weight:700;cursor:pointer;color:var(--muted);transition:all .2s}
.chip:hover{border-color:var(--accent);color:var(--accent-ink)}
.chip.active{background:var(--accent);border-color:var(--accent);color:#fff}
.tab-panel{display:none}
.tab-panel.active{display:block;animation:fadein .35s ease}
@keyframes fadein{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* product grid */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.p-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .22s,box-shadow .22s,border-color .22s}
.p-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(10,162,255,.45)}
.p-card .media{aspect-ratio:1/1;background:#fafbfe;display:flex;align-items:center;justify-content:center;padding:18px}
.p-card .media{position:relative}
.p-card .media img{max-width:100%;max-height:100%;object-fit:contain;transition:transform .3s}
.p-card:hover .media img{transform:scale(1.05)}
.p-card .body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.p-card .series{font-size:11.5px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;color:var(--accent-ink)}
.p-card h4{font-size:14.5px;font-weight:700;line-height:1.35;min-height:40px}
.p-card .price{font-size:17px;font-weight:800;color:var(--dark)}
.p-card .price small{font-weight:600;color:var(--muted);font-size:12px}
.p-card .buy{margin-top:auto;text-align:center;padding:9px;border-radius:10px;background:var(--soft);color:var(--accent-ink);font-weight:700;font-size:13px;border:1px solid var(--line);transition:all .2s}
.p-card:hover .buy{background:var(--accent);border-color:var(--accent);color:#fff}
.see-all{display:flex;justify-content:center;margin-top:38px}
.link-btn{color:var(--accent-ink);font-weight:800;font-size:14.5px;border-bottom:2px solid rgba(10,162,255,.35);padding-bottom:3px;transition:all .2s}
.link-btn:hover{border-color:var(--accent);color:var(--accent)}

/* hot strip */
.hot{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.hot .grid{grid-template-columns:repeat(6,1fr);gap:16px}
.hot .p-card .media{padding:12px}

/* gallery (inside About) */
.g-group{margin:0 0 44px}
.g-group h3{font-size:19px;font-weight:800;margin-bottom:4px}
.g-group p{color:var(--muted);font-size:13.5px;margin-bottom:18px}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.g-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:transform .22s,box-shadow .22s}
.g-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.g-item img{width:100%;aspect-ratio:4/5;object-fit:contain;background:#fff;padding:12px;transition:transform .3s}
.g-item:hover img{transform:scale(1.03)}
.g-item figcaption{padding:10px 14px;font-size:12.5px;font-weight:700;color:var(--muted);border-top:1px solid var(--line);background:#fbfcfe}
.g-item.video img{aspect-ratio:16/9;object-fit:cover;padding:0}
.g-item.video figcaption{background:var(--dark);color:#fff;border-top:0}

/* about */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.about-grid h2{font-size:clamp(26px,3vw,36px);font-weight:800;letter-spacing:-.4px}
.about-grid h2 span{color:var(--accent)}
.about-grid p{color:var(--muted);margin-top:16px}
.points{list-style:none;margin-top:26px;display:grid;gap:14px}
.points li{display:flex;gap:12px;align-items:flex-start;font-weight:600;font-size:15px}
.points .dot{flex:none;width:22px;height:22px;border-radius:50%;background:rgba(10,162,255,.12);color:var(--accent-ink);display:flex;align-items:center;justify-content:center;font-size:12px;margin-top:2px}
.about-card{background:var(--dark);color:#fff;border-radius:20px;padding:38px;box-shadow:var(--shadow-lg)}
.about-card h3{font-size:18px;font-weight:800;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.12)}
.about-card .row{display:flex;gap:14px;margin-bottom:16px;font-size:14px;color:rgba(255,255,255,.82);align-items:flex-start}
.about-card .row b{color:#fff;display:block;font-size:12px;text-transform:uppercase;letter-spacing:1px;color:var(--accent);margin-bottom:2px}
.about-card .icon{flex:none;font-size:18px;margin-top:2px}

/* contact + form */
.contact{background:var(--soft)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.contact-list{display:grid;gap:18px}
.contact-list .c-item{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;align-items:center}
.contact-list .c-icon{flex:none;width:44px;height:44px;border-radius:12px;background:rgba(10,162,255,.1);color:var(--accent-ink);display:flex;align-items:center;justify-content:center;font-size:20px}
.contact-list b{display:block;font-size:14px}
.contact-list span{color:var(--muted);font-size:13.5px}
.socials{display:flex;gap:10px;margin-top:8px}
.socials a{width:38px;height:38px;border-radius:50%;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--ink);transition:all .2s}
.socials a:hover{background:var(--accent);border-color:var(--accent);color:#fff;transform:translateY(-2px)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px;box-shadow:var(--shadow)}
.form-card h3{font-size:21px;font-weight:800;margin-bottom:6px}
.form-card>p{color:var(--muted);font-size:14px;margin-bottom:22px}
.form-card label{display:block;font-size:13px;font-weight:700;margin:14px 0 6px}
.form-card input,.form-card textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:14.5px;outline:none;transition:border .2s;background:#fbfcfe}
.form-card input:focus,.form-card textarea:focus{border-color:var(--accent);background:#fff}
.form-card textarea{min-height:110px;resize:vertical}
.form-card .btn{width:100%;justify-content:center;margin-top:20px;border:0;cursor:pointer}
.form-ok{display:none;margin-top:14px;color:var(--green);font-weight:700;font-size:14px;text-align:center}

/* newsletter */
.newsletter{background:var(--dark);color:#fff}
.newsletter .sec-head h2{color:#fff}
.newsletter .sec-head p{color:rgba(255,255,255,.6)}
.nl-form{position:relative;max-width:480px;margin:0 auto;display:flex;gap:10px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);padding:8px;border-radius:999px}
.nl-form input{flex:1;background:transparent;border:0;outline:none;color:#fff;font-size:15px;padding:8px 16px;font-family:inherit}
.nl-form input::placeholder{color:rgba(255,255,255,.5)}
.nl-form button{background:var(--accent);border:0;color:#fff;font-weight:800;padding:11px 24px;border-radius:999px;cursor:pointer;font-size:14px;transition:background .2s}
.nl-form button:hover{background:#2bb2ff}
.nl-form button:disabled{opacity:.65;cursor:default}
.nl-hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0;pointer-events:none}
.nl-note{max-width:480px;margin:14px auto 0;text-align:center;font-size:12.5px;line-height:1.6;color:rgba(255,255,255,.45)}
.nl-msg{max-width:480px;margin:14px auto 0;text-align:center;font-weight:700;font-size:14px;line-height:1.5;display:none}
.nl-msg.is-ok{display:block;color:var(--green)}
.nl-msg.is-err{display:block;color:#ff8b8b}
.nl-msg.is-wait{display:block;color:rgba(255,255,255,.7)}

/* footer */
.site-footer{background:#07090f;color:rgba(255,255,255,.7);padding:56px 0 30px}
.site-footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.site-footer a{display:block;font-size:13.5px;margin-bottom:10px;transition:color .2s}
.site-footer a:hover{color:#fff}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12.5px}
.footer-note{margin-top:14px;font-size:12px;color:rgba(255,255,255,.4);line-height:1.7}

/* responsive */
@media (max-width:1024px){
  .nav{gap:18px}
  .grid{grid-template-columns:repeat(3,1fr)}
  .cats{grid-template-columns:repeat(2,1fr)}
  .hot .grid{grid-template-columns:repeat(3,1fr)}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:40px}
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .langs{width:100%}
  .lang-toggle{width:100%;justify-content:space-between}
  .lang-menu{position:static;width:100%;min-width:0;max-height:none;margin-top:8px;background:rgba(255,255,255,.06);box-shadow:none}
  section{padding:72px 0}
  .nav{position:fixed;top:72px;left:0;right:0;background:rgba(10,13,22,.98);flex-direction:column;align-items:flex-start;padding:22px 26px;gap:18px;transform:translateY(-130%);transition:transform .3s;box-shadow:0 20px 40px rgba(0,0,0,.25)}
  .nav.open{transform:none}
  .nav-toggle{display:block}
  .grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .cats{grid-template-columns:1fr}
  .hot .grid{grid-template-columns:repeat(2,1fr)}
  .gallery-grid{grid-template-columns:1fr}
  .hero{min-height:86vh}
  .site-footer .wrap{grid-template-columns:1fr;gap:28px}
  .nl-form{flex-direction:column;border-radius:18px;background:transparent;border:0}
  .nl-form input{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:999px}
}