/* ============================================================
   Aocen Lighting V6 — Shadcn-inspired polish + office-lighting personality
   Drop-in enhancement over V5: preserves ALL class names & CSS vars,
   adds layered shadows, glassmorphism, grain, light-beam motifs,
   themed hero backgrounds, "lit" product-card glow.
   ============================================================ */

/* ===== RESET & VARIABLES ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#fbfaf7;--bg2:#f4f3ef;--fg:#1a1a1a;--muted:#777;--subtle:#555;
  --accent:#c8963e;--accent2:#a67c2e;--border:rgba(0,0,0,0.08);
  --accent-soft:#faf3e4;--accent-ring:rgba(200,150,62,0.35);
  --font-cn:'PingFang SC','Microsoft YaHei','HarmonyOS Sans SC','Helvetica Neue',sans-serif;
  --font-en:'Inter','SF Pro Display','Helvetica Neue',sans-serif;
  --w:1280px;--t:0.35s cubic-bezier(0.25,0.1,0.25,1);--t-fast:0.2s cubic-bezier(0.16,1,0.3,1);
  --radius:12px;--radius-sm:10px;--radius-lg:18px;
  /* layered shadows (shadcn-style) */
  --shadow-sm:0 1px 3px 0 rgba(24,24,27,0.07),0 1px 2px -1px rgba(24,24,27,0.06);
  --shadow-md:0 4px 8px -2px rgba(24,24,27,0.08),0 3px 6px -3px rgba(24,24,27,0.06);
  --shadow-lg:0 14px 30px -8px rgba(24,24,27,0.14),0 8px 14px -8px rgba(24,24,27,0.08);
  --sh-xs:0 1px 2px 0 rgba(24,24,27,0.05);
  --sh-gold:0 8px 22px -6px rgba(200,150,62,0.4)
}
html{scroll-behavior:smooth;background:var(--bg);overflow-x:hidden}
body{background:var(--bg);color:var(--fg);font-family:var(--font-cn);line-height:1.7;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;min-height:100vh;display:flex;flex-direction:column;letter-spacing:0.004em}
body.lang-en{font-family:var(--font-en)}
a{color:inherit}
::selection{background:rgba(200,150,62,0.22)}

/* ===== GRAIN OVERLAY (aluminum-extrusion material texture) ===== */
body::before{content:'';position:fixed;inset:0;z-index:1;pointer-events:none;opacity:0.04;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ===== TOP BAR ===== */
.top-bar{background:#161616;font-size:12px;padding:7px 0;color:#9a9a9a;z-index:101;position:relative}
.top-bar .inner{max-width:var(--w);margin:0 auto;padding:0 24px;display:flex;justify-content:flex-end;gap:24px}
.top-bar a{color:#9a9a9a;text-decoration:none;transition:color .2s;display:inline-flex;align-items:center;gap:5px}
.top-bar a:hover{color:#fff}

/* ===== HEADER (glassmorphic — light through frosted glass) ===== */
header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,0.74);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);box-shadow:0 1px 0 rgba(0,0,0,0.05);transition:box-shadow var(--t),background var(--t)}
header.scrolled{box-shadow:var(--shadow-sm);background:rgba(255,255,255,0.9)}
header .nav-inner{max-width:var(--w);margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:70px;gap:16px}
header .logo{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--fg);font-weight:700;font-size:15px;flex-shrink:0;transition:opacity var(--t-fast)}
header .logo:hover{opacity:0.82}
header .logo img{width:auto;height:30px;object-fit:contain;border-radius:0}
header .logo .mark{display:none}
header nav{display:flex;align-items:center;gap:2px}
header nav a{color:var(--subtle);text-decoration:none;font-size:13.5px;font-weight:500;padding:9px 14px;border-radius:8px;transition:all var(--t-fast);white-space:nowrap}
header nav a:hover{color:var(--fg);background:rgba(200,150,62,0.07)}
header nav a.nav-active{color:var(--accent2);font-weight:600;background:rgba(200,150,62,0.11)}
header .nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
header .lang-toggle{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border:1px solid var(--border);border-radius:100px;background:#fff;color:var(--subtle);font-size:12px;font-weight:500;cursor:pointer;transition:all var(--t-fast);font-family:inherit;white-space:nowrap}
header .lang-toggle:hover{border-color:var(--accent-ring);color:var(--accent2);box-shadow:var(--sh-xs)}
.menu-toggle{display:none;background:none;border:none;color:var(--fg);font-size:24px;cursor:pointer;padding:6px;border-radius:8px}
.menu-toggle:hover{background:rgba(200,150,62,0.07)}

/* ===== PAGE CONTAINER ===== */
main{flex:1;position:relative;z-index:2}

/* ===== COMMON ===== */
.section-head{text-align:center;margin-bottom:44px;max-width:640px;margin-left:auto;margin-right:auto}
.section-head .en{font-size:11px;letter-spacing:0.3em;color:var(--accent2);text-transform:uppercase;margin-bottom:9px;font-weight:600}
.section-head h2{font-size:clamp(27px,3.3vw,38px);font-weight:300;margin-bottom:10px;letter-spacing:-0.01em;line-height:1.2}
.section-head h2 strong{font-weight:700}
.section-head .line{width:40px;height:2px;background:linear-gradient(90deg,transparent,var(--accent),transparent);margin:18px auto 0;box-shadow:0 0 12px rgba(200,150,62,0.4)}
.btn{padding:13px 32px;border-radius:9px;font-size:14px;text-decoration:none;transition:all var(--t-fast);display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;font-family:inherit;border:none;font-weight:600;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:var(--sh-gold)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 26px -6px rgba(200,150,62,0.5);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border:1px solid rgba(0,0,0,0.18);color:var(--fg);background:#fff}
.btn-outline:hover{border-color:var(--accent-ring);color:var(--accent2);box-shadow:var(--shadow-sm)}
.btn-lg{padding:16px 42px;font-size:15.5px}

/* ===== HERO ===== */
.hero{position:relative;height:86vh;min-height:540px;overflow:hidden;background:linear-gradient(180deg,#f8f9fb 0%,#eef0f4 100%)}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.1s ease;display:flex;align-items:center;justify-content:center}
.hero-slide.active{opacity:1}
/* themed background layers */
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg picture{display:block;width:100%;height:100%}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 1s ease}
.hero-bg img.loaded{opacity:0.6}
.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(248,249,251,0.4) 0%,rgba(238,240,244,0.6) 55%,rgba(255,255,255,0.92) 100%)}
/* slide 1: warm office-light glow + light rays */
.hero-slide[data-theme="light"] .hero-bg{background:
  radial-gradient(55% 45% at 28% 32%,rgba(255,196,110,0.28),transparent 70%),
  radial-gradient(45% 50% at 78% 62%,rgba(200,150,62,0.16),transparent 70%),
  linear-gradient(160deg,#fbf6ec 0%,#efe9df 100%)}
/* slide 2: linear track geometry + beam streaks */
.hero-slide[data-theme="track"] .hero-bg{background:
  repeating-linear-gradient(88deg,rgba(120,130,150,0.05) 0,rgba(120,130,150,0.05) 2px,transparent 2px,transparent 90px),
  radial-gradient(48% 55% at 72% 40%,rgba(150,165,195,0.2),transparent 70%),
  linear-gradient(160deg,#f1f3f7 0%,#e6e9ef 100%)}
/* slide 3: precision grid + cool lab glow (QC workshop) */
.hero-slide[data-theme="quality"] .hero-bg{background:
  linear-gradient(0deg,rgba(120,130,150,0.05) 1px,transparent 1px) 0 0/42px 42px,
  linear-gradient(90deg,rgba(120,130,150,0.05) 1px,transparent 1px) 0 0/42px 42px,
  radial-gradient(52% 48% at 50% 48%,rgba(140,180,210,0.18),transparent 70%),
  linear-gradient(160deg,#edf0f3 0%,#e1e5ea 100%)}
/* fallback for any slide without data-theme (keeps V5 default) */
.hero-slide:not([data-theme]) .hero-bg{display:none}
.hero-content{position:relative;z-index:2;text-align:center;max-width:900px;padding:0 24px}
.hero-content .tag{display:inline-flex;align-items:center;gap:7px;font-size:12px;letter-spacing:0.2em;color:var(--accent2);text-transform:uppercase;margin-bottom:22px;border:1px solid rgba(200,150,62,0.32);padding:7px 18px;border-radius:100px;background:rgba(255,255,255,0.62);backdrop-filter:blur(8px);box-shadow:var(--sh-xs);font-weight:600}
.hero-content .tag::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(200,150,62,0.2)}
.hero-content h1{font-size:clamp(35px,5.6vw,60px);font-weight:300;line-height:1.16;margin-bottom:18px;letter-spacing:-0.018em;color:#161616}
.hero-content h1 strong{font-weight:700;color:var(--accent);display:block;margin-top:2px;font-size:clamp(38px,6vw,66px)}
.hero-content .sub{font-size:clamp(15px,1.5vw,17px);color:var(--muted);line-height:1.8;max-width:720px;margin:0 auto 22px}
.hero-proof{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;max-width:780px;margin:0 auto 28px}
.hero-proof span{display:inline-flex;align-items:center;min-height:31px;padding:6px 12px;border:1px solid rgba(0,0,0,0.08);border-radius:100px;background:rgba(255,255,255,0.74);box-shadow:var(--sh-xs);font-size:12px;color:#3f3f3f;font-weight:600;backdrop-filter:blur(8px)}
.hero-content .hero-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-dots{position:absolute;bottom:36px;left:50%;transform:translateX(-50%);display:flex;gap:9px;z-index:3}
.hero-dots button{width:8px;height:8px;border-radius:50%;border:none;background:rgba(24,24,27,0.18);cursor:pointer;transition:all .35s;padding:0}
.hero-dots button.active{background:var(--accent);width:28px;border-radius:4px;box-shadow:0 0 10px rgba(200,150,62,0.5)}
.hero-arrows{position:absolute;top:50%;transform:translateY(-50%);z-index:3;background:rgba(255,255,255,0.88);backdrop-filter:blur(8px);border:1px solid var(--border);color:var(--fg);width:46px;height:46px;border-radius:50%;cursor:pointer;font-size:22px;transition:all var(--t-fast);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm)}
.hero-arrows:hover{box-shadow:var(--shadow-md);color:var(--accent2);transform:translateY(-50%) scale(1.05)}
.hero-prev{left:24px}.hero-next{right:24px}

/* ===== BRAND STRIP ===== */
.brand-strip{padding:44px 0;background:#fff;border-bottom:1px solid var(--border);position:relative;z-index:2}
.brand-strip .inner{max-width:var(--w);margin:0 auto;padding:0 24px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.brand-strip .stat{padding:8px 4px;transition:transform var(--t)}
.brand-strip .stat:hover{transform:translateY(-3px)}
.brand-strip .stat h3{font-size:clamp(28px,3.4vw,40px);font-weight:700;margin-bottom:6px;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.brand-strip .stat p{font-size:12.5px;color:var(--muted);line-height:1.55}

/* ===== HOME SECTIONS (illumination ambiance) ===== */
.home-section{padding:80px 0;position:relative;overflow:hidden}
.home-section.alt{background:var(--bg2)}
.home-section::before{content:'';position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(200,150,62,0.12),transparent 70%);filter:blur(20px);top:-120px;right:-80px;pointer-events:none;z-index:0}
.home-inner{max-width:var(--w);margin:0 auto;padding:0 24px;position:relative;z-index:1}
.home-teaser{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch}
.home-teaser .teaser-card{position:relative;padding:38px 30px;border:1px solid var(--border);border-radius:var(--radius-lg);background:#fff;transition:all var(--t);overflow:hidden;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:11px;cursor:pointer;text-decoration:none;color:inherit}
.home-teaser .teaser-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent2));transform:scaleX(0);transform-origin:left;transition:transform var(--t)}
.home-teaser .teaser-card:hover{border-color:rgba(200,150,62,0.32);box-shadow:var(--shadow-lg);transform:translateY(-5px)}
.home-teaser .teaser-card:hover::before{transform:scaleX(1)}
.home-teaser .teaser-card .ticon{font-size:44px;color:var(--accent2);width:60px;height:60px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:var(--accent-soft);box-shadow:inset 0 0 0 1px rgba(200,150,62,0.18)}
.home-teaser .teaser-card h3{font-size:19px;font-weight:600}
.home-teaser .teaser-card p{font-size:13px;color:var(--muted);line-height:1.75;max-width:300px;text-align:center}
.home-teaser .teaser-card .tlink{color:var(--accent2);font-size:13px;font-weight:600;margin-top:4px;display:inline-flex;align-items:center;gap:5px;transition:gap var(--t-fast)}
.home-teaser .teaser-card:hover .tlink{gap:9px}

/* ===== HOME CORE ADVANTAGES ===== */
.home-core{padding:74px 0;background:#fff;position:relative;overflow:hidden}
.home-core .section-head{margin-bottom:30px}
.home-core-lead{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(260px,.65fr);gap:24px;align-items:stretch;margin-bottom:26px}
.home-core-copy{padding:28px 30px;border-left:3px solid var(--accent);background:var(--bg2);border-radius:var(--radius-sm)}
.home-core-kicker{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent2);font-weight:700;margin-bottom:9px}
.home-core-copy h3{font-size:25px;line-height:1.35;margin-bottom:10px;font-weight:650;color:var(--fg)}
.home-core-copy p{font-size:14px;line-height:1.85;color:var(--muted);max-width:760px}
.home-core-stats{display:grid;grid-template-columns:1fr;gap:10px}
.home-core-stats div{border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;padding:18px 20px;box-shadow:var(--sh-xs)}
.home-core-stats strong{display:block;font-size:28px;line-height:1;color:var(--accent2);font-family:var(--font-en);margin-bottom:7px}
.home-core-stats span{font-size:12px;color:var(--muted);font-weight:600}
.home-gate{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;margin:26px 0}
.home-gate-step{min-height:82px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;padding:12px 10px;display:flex;flex-direction:column;align-items:flex-start;justify-content:space-between;box-shadow:var(--sh-xs);transition:all var(--t-fast)}
.home-gate-step:hover{border-color:var(--accent-ring);transform:translateY(-2px)}
.home-gate-step span{width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--accent-soft);color:var(--accent2);font-size:12px;font-family:var(--font-en);font-weight:700}
.home-gate-step b{font-size:12px;line-height:1.4;color:var(--fg);font-weight:600}
.home-core-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}
.home-core-card{border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;padding:22px 20px;box-shadow:var(--sh-xs);transition:all var(--t)}
.home-core-card:hover{border-color:rgba(200,150,62,.32);box-shadow:var(--shadow);transform:translateY(-3px)}
.home-core-card h3{font-size:16px;margin-bottom:9px;font-weight:650;color:var(--fg)}
.home-core-card p{font-size:12.5px;line-height:1.75;color:var(--muted)}
.home-core-media{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px}
.home-core-media figure{margin:0;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--border);background:#fff;box-shadow:var(--sh-xs)}
.home-core-media img{width:100%;height:210px;object-fit:cover;display:block;background:var(--bg2)}
.home-core-media figcaption{padding:11px 14px;font-size:12px;color:var(--muted);line-height:1.5}
.home-core-actions{display:flex;justify-content:center;margin-top:24px}

/* ===== PRODUCT MARQUEE ===== */
.marquee-section{padding:72px 0;background:var(--bg2);overflow:hidden;position:relative}
.marquee-section .section-head{margin-bottom:30px}
.marquee-wrap{position:relative;width:100%;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.marquee-track{display:flex;gap:16px;width:max-content;will-change:transform}
.marquee-track.paused{animation-play-state:paused !important}
.marquee-track:hover{animation-play-state:paused}
.marquee-track .prod-card{flex:0 0 280px;scroll-snap-align:none;content-visibility:auto;contain-intrinsic-size:280px 380px}
.marquee-track .prod-card .img-wrap{height:180px}
@keyframes marqueeScroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* ===== PRODUCTS PAGE ===== */
.products-page-content{padding:44px 0 86px;background:var(--bg)}
.prod-page-inner{max-width:var(--w);margin:0 auto;padding:0 24px}
.cat-main{display:flex;justify-content:center;gap:7px;margin-bottom:10px;flex-wrap:wrap}
.cat-main-btn{padding:10px 22px;border:1px solid var(--border);border-radius:100px;background:#fff;color:var(--muted);font-size:13px;font-weight:500;cursor:pointer;transition:all var(--t-fast);font-family:inherit}
.cat-main-btn:hover{color:var(--fg);border-color:rgba(0,0,0,0.18);box-shadow:var(--sh-xs)}
.cat-main-btn.active{color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent2));border-color:transparent;box-shadow:var(--sh-gold)}
.cat-sub-wrap{display:flex;justify-content:center;gap:6px;margin-bottom:30px;flex-wrap:wrap}
.cat-sub-wrap.hidden{display:none}
.cat-sub-btn{padding:7px 18px;border:1px solid var(--border);border-radius:100px;background:var(--bg2);color:var(--muted);font-size:12px;cursor:pointer;transition:all var(--t-fast);font-family:inherit}
.cat-sub-btn:hover,.cat-sub-btn.active{color:var(--accent2);border-color:var(--accent-ring);background:#fff}
.cat-sub-btn.active{font-weight:600}
.prod-area{margin-top:12px}
.product-search{max-width:560px;margin:0 auto 24px;position:relative}
.product-search input{width:100%;padding:13px 16px;border:1px solid var(--border);border-radius:100px;background:#fff;font-size:14px;color:var(--fg);outline:none;box-shadow:var(--sh-xs);transition:all var(--t-fast)}
.product-search input:focus{border-color:var(--accent-ring);box-shadow:0 0 0 3px rgba(200,150,62,0.12)}
.product-summary{font-size:13px;color:var(--muted);text-align:center;margin:-6px 0 22px}
.prod-row{margin-bottom:38px}
.prod-row-title{font-size:15.5px;font-weight:600;margin-bottom:15px;color:var(--fg);display:flex;align-items:center;gap:9px}
.prod-row-title .rt-count{font-size:11px;color:var(--muted);font-weight:400;background:var(--bg2);padding:2px 9px;border-radius:100px}

/* ===== PRODUCT CARD (with "lit" glow on hover) ===== */
.prod-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all var(--t);cursor:pointer;text-decoration:none;color:inherit;display:block;position:relative}
.prod-card:hover{border-color:rgba(0,0,0,0.16);transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.prod-card .img-wrap{background:#fff;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.prod-card .img-wrap::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 50% 40%,rgba(200,150,62,0.14),transparent 65%);opacity:0;transition:opacity var(--t);pointer-events:none}
.prod-card:hover .img-wrap::after{opacity:1}
.prod-card .img-wrap img{width:100%;height:100%;object-fit:contain;transition:transform .5s,filter .5s;background:#fff;display:block;filter:saturate(0.96)}
.prod-card .img-wrap img:-moz-broken,.prod-card .img-wrap img:not([src]){display:none}
.prod-card:hover .img-wrap img{transform:scale(1.05);filter:saturate(1.08) brightness(1.02)}
.prod-card .img-wrap .icon-placeholder{font-size:48px;color:#cfcfcf}
.prod-card .info{padding:16px 17px;position:relative}
.prod-card .info .series-tag{display:inline-block;font-size:10px;letter-spacing:0.16em;color:var(--accent2);text-transform:uppercase;margin-bottom:5px;font-weight:600;background:var(--accent-soft);padding:3px 9px;border-radius:5px}
.prod-card .info h3{font-size:14.5px;font-weight:600;margin-bottom:4px;line-height:1.35;color:var(--fg)}
.prod-card .info .model{font-size:11px;color:var(--muted);margin-bottom:8px;font-family:var(--font-en);letter-spacing:0.02em}
.prod-card .info .specs-short{font-size:11px;color:var(--muted);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.prod-card .info .more{display:inline-flex;align-items:center;gap:4px;font-size:12.5px;color:var(--accent2);font-weight:600;margin-top:10px;transition:gap var(--t-fast)}
.prod-card:hover .info .more{gap:8px}
.no-products{text-align:center;padding:72px 24px;color:var(--muted)}
.no-products .np-icon{font-size:60px;margin-bottom:18px}
.no-products h3{font-size:19px;color:var(--fg);margin-bottom:8px}
.no-products p{font-size:14px}

/* ===== PRODUCT GRID ===== */
.prod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.prod-grid .prod-card{flex:none;width:auto}
.prod-grid .prod-card .img-wrap{height:200px}

/* ===== PRODUCT DETAIL ===== */
.product-detail-content{padding:36px 0 86px;background:var(--bg)}
.pd-inner{max-width:var(--w);margin:0 auto;padding:0 24px}
.pd-back{display:inline-flex;align-items:center;gap:6px;color:var(--muted);text-decoration:none;font-size:14px;font-weight:500;margin-bottom:28px;transition:all var(--t-fast);padding:8px 14px;border-radius:8px}
.pd-back:hover{color:var(--accent2);background:var(--accent-soft)}
.pd-layout{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
.pd-gallery .pd-main-img{background:#fff;border:1px solid var(--border);border-radius:var(--radius);min-height:400px;display:flex;align-items:center;justify-content:center;font-size:80px;color:#cfcfcf;overflow:hidden;margin-bottom:16px;box-shadow:var(--shadow-sm)}
.pd-gallery .pd-main-img img{width:100%;height:100%;object-fit:contain;background:#fff}
.pd-gallery .pd-drawings{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pd-gallery .pd-dwg-slot{border:2px dashed rgba(0,0,0,0.16);border-radius:var(--radius-sm);height:160px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--muted);font-size:13px;transition:all var(--t);text-align:center;padding:12px;position:relative;overflow:hidden;cursor:default;background:#fff}
.pd-gallery .pd-dwg-slot:hover{border-color:var(--accent-ring);background:var(--accent-soft);color:var(--accent2)}
.pd-gallery .pd-dwg-slot .dwg-icon{font-size:30px;margin-bottom:8px}
.pd-gallery .pd-dwg-diagram,.pd-gallery .pd-dwg-display{cursor:pointer}
.pd-gallery .pd-dwg-diagram img,.pd-gallery .pd-dwg-display img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:8px;transition:opacity .3s;opacity:1}
.pd-gallery .pd-dwg-has-image{border-style:solid;border-color:var(--border)}
.pd-gallery .pd-dwg-has-image .dwg-overlay{display:none}
.pd-gallery .pd-dwg-diagram .dwg-overlay,.pd-gallery .pd-dwg-display .dwg-overlay{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:4px;text-align:center}
.pd-gallery .pd-dwg-diagram.expanded,.pd-gallery .pd-dwg-display.expanded{position:fixed;inset:24px;z-index:300;height:auto;width:auto;border:none;border-radius:16px;background:#fff;box-shadow:0 24px 64px rgba(0,0,0,0.3);padding:48px 24px 24px;cursor:pointer}
.pd-gallery .pd-dwg-diagram.expanded img,.pd-gallery .pd-dwg-display.expanded img{opacity:1;object-fit:contain;padding:0}
.pd-gallery .pd-dwg-diagram.expanded .dwg-overlay,.pd-gallery .pd-dwg-display.expanded .dwg-overlay{position:absolute;top:12px;left:24px;flex-direction:row;gap:8px;font-size:14px}
.pd-info h2{font-size:27px;font-weight:600;margin-bottom:6px;line-height:1.3;letter-spacing:-0.01em}
.pd-info .pd-model{font-size:13px;color:var(--accent2);letter-spacing:0.14em;font-weight:600;margin-bottom:20px;font-family:var(--font-en)}
.pd-quick-trust{display:flex;gap:7px;flex-wrap:wrap;margin:-8px 0 16px}
.pd-quick-trust span{padding:5px 10px;border:1px solid var(--border);border-radius:100px;background:#fff;font-size:11.5px;color:var(--subtle);font-weight:600}
.pd-info .pd-desc{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:24px;padding:16px 18px;background:var(--bg2);border-radius:var(--radius-sm);border-left:3px solid var(--accent)}
.pd-spec-table{width:100%;border-collapse:collapse;margin-bottom:20px;border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}
.pd-spec-table tr{border-bottom:1px solid var(--border)}
.pd-spec-table tr:last-child{border-bottom:none}
.pd-spec-table tr:hover{background:var(--bg2)}
.pd-spec-table td{padding:12px 16px;font-size:13px}
.pd-spec-table td:first-child{color:var(--muted);width:120px;font-size:12px;font-weight:600;background:rgba(245,246,248,0.6)}
.pd-spec-table td:last-child{color:var(--fg)}
.pd-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:10px}
.pd-secondary-actions{margin-top:14px;padding:12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;box-shadow:var(--sh-xs)}
.pd-secondary-actions .btn{flex:1;min-width:142px;padding:12px 16px}
.mobile-sticky-cta{display:none}

/* ===== ABOUT PAGE ===== */
.about-page-content{padding:44px 0 86px;background:var(--bg2)}
.about-page-content .section-head{margin-bottom:38px;text-align:left;max-width:none}
.about-page-content .section-head .line{margin:16px 0 0}
.page-inner{max-width:var(--w);margin:0 auto;padding:0 24px}
.about-layout{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:56px}
.about-text h2{font-size:clamp(26px,3vw,33px);font-weight:300;margin-bottom:22px;line-height:1.3;letter-spacing:-0.01em}
.about-text h2 strong{font-weight:700}
.about-text p{font-size:14.5px;color:var(--subtle);line-height:1.9;margin-bottom:15px}
.highlights{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:30px}
.hl-item{padding:17px 19px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;transition:all var(--t)}
.hl-item:hover{border-color:rgba(200,150,62,0.32);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.hl-item .num{font-size:24px;font-weight:700;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hl-item .lbl{font-size:12px;color:var(--muted);margin-top:3px}
.about-visual{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:56px;text-align:center;min-height:380px;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:var(--shadow-md);position:relative;overflow:hidden}
.about-visual::before{content:'';position:absolute;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(200,150,62,0.12),transparent 70%);filter:blur(30px);top:-50px;right:-50px}
.about-visual .big-icon{font-size:62px;margin-bottom:18px;color:var(--accent2);position:relative;z-index:1}
.about-visual p{color:var(--muted);font-size:14px;line-height:1.8;max-width:320px;position:relative;z-index:1}
.about-map-wrap{margin-top:48px;text-align:center}
.about-map-wrap .map-title{font-size:18px;font-weight:600;margin-bottom:6px}
.about-map-wrap .map-sub{font-size:13px;color:var(--muted);margin-bottom:20px}
.about-map{width:100%;height:360px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:var(--bg2);box-shadow:var(--shadow-sm)}
.about-map iframe{width:100%;height:100%;border:none;filter:grayscale(0.2) contrast(0.96)}
.timeline-wrap{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:56px 0 16px;margin-top:28px;box-shadow:var(--shadow-sm)}
.timeline{position:relative;max-width:760px;margin:0 auto;padding:0 24px}
.timeline::before{content:'';position:absolute;left:24px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--accent),rgba(200,150,62,0.2))}
.tl-item{display:flex;align-items:flex-start;margin-bottom:30px;position:relative;padding-left:54px}
.tl-item .tl-dot{width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--accent);position:absolute;left:18px;top:10px;z-index:1;box-shadow:0 0 0 5px rgba(200,150,62,0.12)}
.tl-item .tl-content{width:100%;padding:18px 22px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;transition:all var(--t)}
.tl-item .tl-content:hover{border-color:rgba(200,150,62,0.32);box-shadow:var(--shadow-sm);transform:translateX(3px)}
.tl-item .tl-year{font-size:24px;font-weight:700;margin-bottom:5px;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.tl-item .tl-desc{font-size:13px;color:var(--muted);line-height:1.7}

/* ===== FEATURES PAGE ===== */
.features-page-content{padding:44px 0 86px}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:var(--w);margin:0 auto;padding:0 24px}
.feat-card{padding:34px 28px;border:1px solid var(--border);border-radius:var(--radius-lg);transition:all var(--t);text-align:center;background:#fff;position:relative;overflow:hidden}
.feat-card::after{content:'';position:absolute;width:160px;height:160px;border-radius:50%;background:radial-gradient(circle,rgba(200,150,62,0.1),transparent 70%);filter:blur(30px);top:-40px;right:-40px;opacity:0;transition:opacity var(--t)}
.feat-card:hover{border-color:rgba(200,150,62,0.32);box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.feat-card:hover::after{opacity:1}
.feat-card .ficon{font-size:26px;margin-bottom:16px;color:var(--accent2);width:54px;height:54px;border-radius:13px;display:flex;align-items:center;justify-content:center;background:var(--accent-soft);box-shadow:inset 0 0 0 1px rgba(200,150,62,0.18)}
.feat-card h3{font-size:16.5px;font-weight:600;margin-bottom:11px}
.feat-card p{font-size:13px;color:var(--muted);line-height:1.75}

/* ===== CAREERS PAGE ===== */
.careers-page-content{padding:44px 0 86px;background:var(--bg2)}
.careers-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:var(--w);margin:0 auto;padding:0 24px}
.job-card{padding:28px;border:1px solid var(--border);border-radius:var(--radius-lg);background:#fff;transition:all var(--t)}
.job-card:hover{border-color:rgba(200,150,62,0.32);box-shadow:var(--shadow-md);transform:translateY(-3px)}
.job-card .job-title{font-size:18px;font-weight:600;margin-bottom:7px}
.job-card .job-meta{font-size:12px;color:var(--accent2);margin-bottom:13px;display:flex;gap:16px;flex-wrap:wrap;font-weight:500}
.job-card .job-desc{font-size:13.5px;color:var(--muted);line-height:1.8}
.job-card .job-tags{margin-top:15px;display:flex;gap:6px;flex-wrap:wrap}
.job-card .job-tags span{padding:4px 12px;background:var(--bg2);border:1px solid var(--border);border-radius:100px;font-size:11px;color:var(--subtle)}
.careers-cta{text-align:center;margin-top:42px}
.careers-cta p{color:var(--muted);font-size:14px;margin-bottom:16px}

/* ===== CONTACT PAGE ===== */
.contact-page-content{padding:44px 0 86px}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;max-width:var(--w);margin:0 auto;padding:0 24px}
.contact-info h3{font-size:22px;margin-bottom:8px;font-weight:600}
.ci-item{display:flex;align-items:flex-start;gap:13px;margin-bottom:11px;padding:16px 18px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;transition:all var(--t)}
.ci-item:hover{border-color:rgba(200,150,62,0.32);box-shadow:var(--sh-xs)}
.ci-item.highlight{border-color:var(--accent-ring);background:rgba(250,243,228,0.5)}
.ci-item .ci-icon{font-size:21px;flex-shrink:0;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:9px;background:var(--bg2)}
.ci-item.highlight .ci-icon{background:rgba(255,255,255,0.6)}
.ci-item .ci-label{font-size:11px;color:var(--muted);margin-bottom:2px}
.ci-item .ci-value{font-size:15px;color:var(--fg);font-weight:500}
.contact-form{border:1px solid var(--border);border-radius:var(--radius-lg);padding:30px;background:#fff;box-shadow:var(--shadow-sm)}
.contact-form h3{font-size:19px;font-weight:600;margin-bottom:4px}
.contact-form .form-subtitle{font-size:12.5px;color:var(--muted);margin-bottom:22px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;font-weight:600;color:var(--fg);margin-bottom:7px}
.form-group label .req{color:#d44}
.form-group input,.form-group textarea{width:100%;padding:11px 14px;border:1px solid rgba(0,0,0,0.16);border-radius:9px;font-size:14px;font-family:inherit;transition:all var(--t-fast);background:#fff;color:var(--fg);outline:none}
.form-group input:focus,.form-group textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(200,150,62,0.15)}
.form-group textarea{resize:vertical;min-height:120px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-hint{font-size:11px;color:var(--muted);margin-top:4px}
.form-error{font-size:12px;color:#d44;margin-top:6px;display:none;padding:8px 12px;background:rgba(216,68,68,0.08);border-radius:7px}
.form-error.show{display:block}
.form-success{display:none;padding:32px;text-align:center;color:#2a8a4a;font-size:14px;border-radius:var(--radius-sm);background:rgba(42,138,74,0.06)}
.form-success.show{display:block}
.form-success .s-icon{font-size:50px;margin-bottom:12px}
.contact-map{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:48px;display:flex;align-items:center;justify-content:center;min-height:300px;text-align:center}
.contact-full-wrap{margin-top:16px}
.contact-full-wrap summary{font-size:13px;color:var(--subtle);font-weight:600;cursor:pointer;padding:16px 18px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;transition:all var(--t-fast);list-style:none}
.contact-full-wrap summary:hover{border-color:var(--accent-ring)}
.contact-full-wrap[open] summary{border-bottom-left-radius:0;border-bottom-right-radius:0}
.contact-full-wrap .cf-detail{margin-top:0;padding:16px 18px;border:1px solid var(--border);border-top:none;border-radius:0 0 var(--radius-sm) var(--radius-sm);display:grid;gap:9px;font-size:13px;color:var(--muted);line-height:1.8;background:#fff}

/* ===== FOOTER ===== */
footer{background:#161616;padding:64px 0 30px;color:#9a9a9a;margin-top:auto;position:relative;z-index:2}
footer::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(200,150,62,0.5),transparent)}
footer .foot-inner{max-width:var(--w);margin:0 auto;padding:0 24px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
footer h4{font-size:13px;font-weight:600;color:#e0e0e0;margin-bottom:16px;letter-spacing:0.02em}
footer a{display:block;color:#9a9a9a;text-decoration:none;font-size:12.5px;margin-bottom:9px;transition:color .2s,padding .2s}
footer a:hover{color:#fff;padding-left:3px}
footer .f-brand .fname{font-size:18px;font-weight:700;color:#fff;margin-bottom:5px}
footer .f-brand p{font-size:12.5px;color:#9a9a9a;line-height:1.7}
footer .foot-bottom{max-width:var(--w);margin:44px auto 0;padding:22px 24px 0;border-top:1px solid rgba(255,255,255,0.08);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;font-size:11.5px}

/* ===== TOAST ===== */
.toast{position:fixed;bottom:32px;left:50%;transform:translateX(-50%) translateY(140px);background:#161616;color:#fff;padding:13px 28px;border-radius:100px;font-size:13px;z-index:300;transition:transform var(--t);pointer-events:none;box-shadow:var(--shadow-lg);white-space:nowrap;display:inline-flex;align-items:center;gap:8px}
.toast.show{transform:translateX(-50%) translateY(0)}
.toast.success{background:linear-gradient(135deg,#2a8a4a,#246e3c)}
.toast.error{background:#d44}

/* ===== CATALOG PAGE ===== */
.catalog-hero{background:linear-gradient(180deg,rgba(248,249,251,0.8) 0%,rgba(238,240,244,0.88) 55%,rgba(255,255,255,0.95) 100%),url('images/图册.png') center/cover no-repeat;padding:80px 0 64px;position:relative;overflow:hidden}
.catalog-hero::before{content:'';position:absolute;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(200,150,62,0.14),transparent 70%);filter:blur(30px);top:-100px;right:-60px}
.catalog-hero-inner{max-width:var(--w);margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:60px;position:relative;z-index:1}
.catalog-hero-text{flex:1}
.catalog-hero-text .tag{display:inline-block;font-size:12px;letter-spacing:0.2em;color:var(--accent2);text-transform:uppercase;margin-bottom:18px;border:1px solid rgba(200,150,62,0.32);padding:7px 18px;border-radius:100px;background:rgba(255,255,255,0.6);font-weight:600}
.catalog-hero-text h1{font-size:clamp(32px,4.5vw,46px);font-weight:300;line-height:1.2;margin-bottom:16px;color:#161616;letter-spacing:-0.01em}
.catalog-hero-text h1 strong{font-weight:700;color:var(--accent)}
.catalog-hero-text .sub{font-size:15px;color:var(--muted);line-height:1.8;max-width:480px;margin-bottom:28px}
.catalog-hero-text .catalog-hero-btns{display:flex;gap:12px;flex-wrap:wrap}
.catalog-hero-qr{flex-shrink:0}
.qr-card{padding:24px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-md);text-align:center}
.qr-card .qr-code{width:160px;height:160px;margin:0 auto 12px;display:flex;align-items:center;justify-content:center;background:#f9f9f9;border-radius:8px}
.qr-card .qr-code img,.qr-card .qr-code canvas{display:block}
.qr-card .qr-label{font-size:12px;color:var(--muted);line-height:1.6}
.catalog-section{padding:72px 0 80px;background:var(--bg)}
.catalog-inner{max-width:var(--w);margin:0 auto;padding:0 24px}
.catalog-intro{text-align:center;font-size:14px;color:var(--muted);max-width:600px;margin:-20px auto 40px;line-height:1.8}
.catalog-grid{display:flex;flex-direction:column;gap:24px}
.catalog-card{border:1px solid var(--border);border-radius:var(--radius);background:#fff;overflow:hidden;transition:all var(--t);display:flex}
.catalog-card:hover{border-color:rgba(200,150,62,0.32);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.catalog-card:hover .cc-cover-img{transform:scale(1.03)}
.catalog-card-full{}
.cc-cover{min-width:280px;width:280px;min-height:360px;background:linear-gradient(135deg,#f8f9fb 0%,#eef0f4 100%);display:flex;align-items:center;justify-content:center;position:relative;flex-shrink:0;overflow:hidden}
.cc-cover-full{background:linear-gradient(135deg,#f0ebe0 0%,#e8dcc8 100%)}
.cc-cover .cc-icon{font-size:52px;color:var(--accent2)}
.cc-cover .cc-cover-img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center;transition:transform .5s;padding:12px;background:linear-gradient(135deg,#f8f9fb 0%,#eef0f4 100%)}
.cc-cover-full .cc-cover-img{object-fit:contain;object-position:center}
.cc-cover .cc-badge{position:absolute;top:12px;right:12px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-size:10px;font-weight:700;padding:4px 10px;border-radius:4px;letter-spacing:.1em;z-index:1;box-shadow:0 2px 8px rgba(0,0,0,0.2)}
.cc-info{flex:1;padding:28px 24px;display:flex;flex-direction:column}
.cc-info h3{font-size:17px;font-weight:600;margin-bottom:8px;line-height:1.3}
.cc-info p{font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:12px}
.cc-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.cc-tags span{padding:4px 10px;background:var(--bg2);border-radius:100px;font-size:11px;color:var(--muted)}
.cc-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto}
.btn-sm{padding:8px 16px;font-size:12px;border-radius:6px}
.cc-qr-mini{width:80px;height:80px;margin-top:12px}
.cc-qr-mini canvas,.cc-qr-mini img{width:80px!important;height:80px!important}

/* PDF Viewer Modal */
.pdf-modal-overlay{position:fixed;inset:0;z-index:200;background:rgba(0,0,0,0.7);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .3s}
.pdf-modal-overlay.active{opacity:1;pointer-events:auto}
.pdf-modal{width:92vw;max-width:1100px;height:88vh;max-height:90vh;background:#fff;border-radius:var(--radius);box-shadow:0 24px 64px rgba(0,0,0,0.3);display:flex;flex-direction:column;overflow:hidden}
.pdf-modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid var(--border);flex-shrink:0}
.pdf-modal-header h3{font-size:16px;font-weight:600;color:var(--fg)}
.pdf-modal-controls{display:flex;align-items:center;gap:10px}
.pdf-modal-close{width:36px;height:36px;border:1px solid var(--border);border-radius:50%;background:#fff;color:var(--muted);font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--t);padding:0}
.pdf-modal-close:hover{color:var(--fg);border-color:rgba(0,0,0,0.2);background:var(--bg2)}
.pdf-modal-body{flex:1;position:relative;overflow:hidden;min-height:0}
.pdf-modal-body iframe{width:100%;height:100%;border:none;display:block}
.pdf-loading{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;background:#fff;z-index:1}
.pdf-loading-spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.pdf-loading p{font-size:13px;color:var(--muted)}
.pdf-modal-hint{padding:10px 24px;border-top:1px solid var(--border);font-size:11px;color:var(--muted);text-align:center;flex-shrink:0}
.pdf-modal-hint a{color:var(--accent2);text-decoration:none}
.pdf-modal-hint a:hover{text-decoration:underline}
.catalog-share{background:var(--bg2);padding:64px 0;position:relative;overflow:hidden}
.catalog-share::before{content:'';position:absolute;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(200,150,62,0.1),transparent 70%);filter:blur(30px);bottom:-120px;left:-60px}
.catalog-share-inner{max-width:600px;margin:0 auto;padding:48px 32px;text-align:center;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm);position:relative;z-index:1}
.catalog-share-inner h3{font-size:20px;font-weight:600;margin-bottom:12px}
.catalog-share-inner p{font-size:13px;color:var(--muted);line-height:1.8;margin-bottom:24px}
.share-qr-wrap{display:inline-flex;flex-direction:column;align-items:center;gap:8px}
.share-qr{width:200px;height:200px;background:#f9f9f9;border-radius:8px;display:flex;align-items:center;justify-content:center}
.share-qr-label{font-size:13px;color:var(--muted);font-family:var(--font-en)}

/* ===== MOBILE ===== */
@media(max-width:960px){
  header nav{position:fixed;top:70px;left:0;right:0;background:rgba(255,255,255,0.98);backdrop-filter:blur(20px);flex-direction:column;padding:14px;gap:0;transform:translateY(-110%);opacity:0;pointer-events:none;transition:all .3s;border-bottom:1px solid var(--border);box-shadow:var(--shadow-lg);max-height:80vh;overflow-y:auto}
  header nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
  header nav a{font-size:15px;padding:14px 12px;border-bottom:1px solid rgba(0,0,0,0.06);width:100%;border-radius:0}
  header nav a:last-child{border-bottom:none}
  .menu-toggle{display:block}
  header .logo span{display:none}
  .marquee-track .prod-card{flex:0 0 240px}.marquee-track .prod-card .img-wrap{height:150px}
  .pd-layout{grid-template-columns:1fr;gap:26px}
  .pd-secondary-actions .btn{min-width:150px}
  .about-layout{grid-template-columns:1fr;gap:28px}
  .about-visual{min-height:240px;padding:32px}
  .feat-grid{grid-template-columns:1fr}
  .careers-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .timeline::before{left:18px}
  .tl-item .tl-dot{left:18px}
  .tl-item .tl-content{width:calc(100% - 44px);margin-left:0}
  footer .foot-inner{grid-template-columns:1fr 1fr;gap:28px}
  .hero-arrows{display:none}
  .brand-strip .inner{grid-template-columns:repeat(2,1fr);gap:18px}
  .home-teaser{grid-template-columns:1fr}
  .home-core-lead{grid-template-columns:1fr}
  .home-core-stats{grid-template-columns:repeat(3,1fr)}
  .home-gate{grid-template-columns:repeat(2,1fr)}
  .home-core-grid{grid-template-columns:1fr 1fr}
  .home-core-media{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .prod-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
  .highlights{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){
  .hero{height:74vh;min-height:440px}
  .hero-content h1{font-size:clamp(30px,8.3vw,40px)}
  .hero-content h1 strong{font-size:clamp(31px,8.6vw,42px)}
  .hero-proof{gap:6px;margin-bottom:20px}
  .hero-proof span{font-size:11px;min-height:28px;padding:5px 9px}
  footer .foot-inner{grid-template-columns:1fr}
  .brand-strip .inner{grid-template-columns:1fr 1fr;gap:12px}
  .home-core{padding:54px 0}
  .home-core-copy{padding:22px 20px}
  .home-core-copy h3{font-size:21px}
  .home-core-stats{grid-template-columns:1fr}
  .home-gate{grid-template-columns:1fr}
  .home-gate-step{min-height:66px;flex-direction:row;align-items:center;justify-content:flex-start;gap:11px}
  .home-core-grid{grid-template-columns:1fr}
  .home-core-media img{height:180px}
  .marquee-track .prod-card{flex:0 0 210px}.marquee-track .prod-card .img-wrap{height:140px}
  .pd-gallery .pd-drawings{grid-template-columns:1fr}
  .prod-grid{grid-template-columns:1fr 1fr;gap:10px}
  .prod-grid .prod-card .img-wrap{height:140px}
  .prod-grid .prod-card .info h3{font-size:12.5px}
  .catalog-hero-inner{flex-direction:column;text-align:center;padding:40px 20px}
  .catalog-hero-text h1{font-size:clamp(26px,5vw,38px)}
  .catalog-grid{grid-template-columns:1fr}
  .catalog-card-full{grid-column:span 1}
  .catalog-share-inner{padding:40px 20px}
  .highlights{grid-template-columns:1fr}
  body.has-mobile-sticky{padding-bottom:78px}
  .pd-secondary-actions{display:grid;grid-template-columns:1fr;gap:9px;padding:10px;margin-top:4px}
  .pd-secondary-actions .btn{width:100%;min-width:0;padding:12px 10px;font-size:13px}
  .mobile-sticky-cta{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:250;padding:10px 14px;background:rgba(255,255,255,0.96);border-top:1px solid var(--border);box-shadow:0 -8px 24px rgba(24,24,27,0.12);gap:10px}
  .mobile-sticky-cta .btn{flex:1;padding:13px 12px;font-size:13px}
}