/* ============================================================
   Neutral B2B Master
   Variant B: Tech Corporate (科技商务)
   Space Grotesk + Inter | Deep Blue + Amber | 8px radius
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap');

:root{
  --ink:#0f172a;
  --heading:var(--ink);
  --body:#334155;
  --primary:#1d4ed8;
  --primary-d:#1e3a8a;
  --primary-l:#60a5fa;
  --accent:#f59e0b;
  --accent-d:#d97706;
  --bg:#f8fafc;
  --bg-2:#f1f5f9;
  --card:#ffffff;
  --line:#e2e8f0;
  --card-border:var(--line);
  --muted:#64748b;
  --shadow:0 24px 48px -12px rgba(15,23,42,.12);
  --shadow-sm:0 4px 16px -4px rgba(15,23,42,.08);
  --r:8px;
  --r-sm:6px;
  --r-btn:6px;
  --maxw:1280px;
  --font-heading:'Space Grotesk','Inter',sans-serif;
  --font-body:'Inter',-apple-system,sans-serif;
  --section-gap:80px;
  --header-bg:rgba(255,255,255,.95);
  --header-blur:8px;
}

/* === Reset === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:hidden}
body{font-family:var(--font-body);font-size:16px;line-height:1.6;color:var(--ink);background:var(--bg);overflow-x:hidden}
a{text-decoration:none;color:var(--primary);transition:color .2s}
a:hover{color:var(--primary-d)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button{cursor:pointer;font-family:inherit}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.text-center{text-align:center}

/* === Buttons === */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:2px solid transparent;transition:all .25s;cursor:pointer;line-height:1.4}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-d);border-color:var(--primary-d);color:#fff}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-light{background:var(--bg-2);color:var(--ink);border-color:var(--bg-2)}
.btn-light:hover{background:var(--line);border-color:var(--line)}
.btn-sm{padding:8px 16px;font-size:13px}
.btn-lg{padding:16px 32px;font-size:16px}
.btn-sm.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary);border-radius:var(--r-sm)}
.btn-sm.btn-outline{background:transparent;color:var(--primary);border-color:var(--line);border-radius:var(--r-sm)}
.btn-sm.btn-outline:hover{border-color:var(--primary);background:var(--primary);color:#fff}

/* === Skip Nav === */
.skip-nav{position:absolute;top:-100px;left:16px;padding:8px 16px;background:var(--primary);color:#fff;z-index:9999;border-radius:var(--r-sm)}
.skip-nav:focus{top:8px;color:#fff}

/* === Header === */
.site-header{position:sticky;top:0;z-index:1000;background:var(--header-bg);backdrop-filter:blur(var(--header-blur));border-bottom:1px solid var(--line);transition:box-shadow .3s}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo img{height:40px}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-item{position:relative}
.nav-item>a{display:flex;align-items:center;gap:4px;padding:10px 16px;font-size:15px;font-weight:500;color:var(--ink);border-radius:var(--r-sm);transition:background .2s}
.nav-item>a:hover,.nav-item>a.active{color:var(--primary);background:var(--bg-2)}
.dropdown{position:absolute;top:100%;left:0;min-width:220px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:12px;padding-top:20px;z-index:100;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s,visibility .2s}
.dropdown::before{content:'';position:absolute;top:-10px;left:0;right:0;height:14px}
.dropdown-grid{min-width:400px;display:none;grid-template-columns:1fr 1fr;gap:8px}
.nav-item:hover>.dropdown{opacity:1;visibility:visible;pointer-events:auto;display:block}
.nav-item:hover>.dropdown.dropdown-grid{display:grid}
.drop-group{padding:8px}
.drop-title{display:block;font-weight:600;font-size:14px;color:var(--ink);padding:6px 8px;border-radius:4px}
.drop-title:hover{background:var(--bg-2);color:var(--primary)}
.drop-sub a{display:block;font-size:13px;color:var(--muted);padding:4px 8px;border-radius:4px}
.drop-sub a:hover{color:var(--primary);background:var(--bg-2)}
.header-actions{display:flex;align-items:center;gap:12px}
.search-toggle{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%;cursor:pointer;transition:background .2s;color:var(--muted)}
.search-toggle:hover{background:var(--bg-2);color:var(--primary)}
.header-email{font-size:14px;color:var(--muted);display:flex;align-items:center;gap:6px}
.header-email:hover{color:var(--primary)}
.header-cta{position:relative}
.quote-badge{display:none;position:absolute;top:-6px;right:-6px;min-width:18px;height:18px;background:var(--accent);color:#fff;font-size:11px;font-weight:700;border-radius:50%;align-items:center;justify-content:center;padding:0 4px}

/* Search Bar */
.search-bar{display:none;background:var(--card);border-top:1px solid var(--line);padding:12px 0}
.search-bar.open{display:block}
.search-bar form{display:flex;max-width:600px;margin:0 auto}
.search-bar input{flex:1;padding:10px 16px;border:1px solid var(--line);border-radius:var(--r-sm) 0 0 var(--r-sm);font-size:14px;outline:none}
.search-bar input:focus{border-color:var(--primary)}
.search-bar button{padding:10px 20px;background:var(--primary);color:#fff;border:none;border-radius:0 var(--r-sm) var(--r-sm) 0;font-weight:600}
/* Burger */
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.burger span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:all .3s}

/* === Hero (Variant B: Centered) === */
.hero{padding:100px 0 60px;background:linear-gradient(135deg,#0f172a 0%,#1e3a8a 100%);color:#fff;overflow:hidden}
.hero-inner{display:flex;flex-direction:column;align-items:center;gap:40px}
.hero-content{max-width:800px}
.hero-badge{display:inline-block;padding:6px 16px;border-radius:20px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);font-size:13px;font-weight:500;margin-bottom:20px}
.hero h1{font-family:var(--font-heading);font-size:clamp(32px,5vw,56px);font-weight:700;line-height:1.15;margin-bottom:18px}
.hero-desc{font-size:18px;line-height:1.7;opacity:.85;max-width:640px;margin:0 auto 28px}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.hero-metrics{display:flex;gap:40px;flex-wrap:wrap;justify-content:center;padding:32px 0;border-top:1px solid rgba(255,255,255,.15)}
.metric{text-align:center}
.metric-num{display:block;font-family:var(--font-heading);font-size:28px;font-weight:700;color:var(--accent)}
.metric-lbl{font-size:13px;opacity:.7}
.hero-showcase{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;width:100%}
.showcase-item{border-radius:var(--r);overflow:hidden;aspect-ratio:4/3;background:rgba(255,255,255,.05);transition:transform .3s}
.showcase-item:hover{transform:scale(1.03)}
.showcase-item img{width:100%;height:100%;object-fit:cover}

/* === Section Common === */
.sec-head{max-width:640px;margin-bottom:48px}
.text-center .sec-head,.sec-certs .sec-head{margin-left:auto;margin-right:auto}
.sec-head .eyebrow{display:inline-block;font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--primary);margin-bottom:8px}
.sec-head h2{font-family:var(--font-heading);font-size:clamp(24px,3vw,36px);font-weight:700;color:var(--ink);margin-bottom:10px}
.sec-head p{font-size:16px;color:var(--muted);line-height:1.6}
section[class^="sec-"],article[class^="sec-"]{padding:var(--section-gap) 0}
.sec-dark{background:var(--ink);color:#fff}
.sec-dark .sec-head h2{color:#fff}
.sec-dark .sec-head p{color:rgba(255,255,255,.7)}
.sec-dark .sec-head .eyebrow{color:var(--accent)}
.sec-white{background:#fff}
.sec-paper{background:var(--bg-2,#f5f7fa)}
.sec-white .sec-head,.sec-paper .sec-head{text-align:center;margin-left:auto;margin-right:auto}

/* Grid */
.grid{display:grid;gap:24px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}

/* === Categories === */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cat-tile{position:relative;display:block;border-radius:var(--r);overflow:hidden;aspect-ratio:4/3;background:var(--bg-2)}
.cat-tile img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.cat-tile:hover img{transform:scale(1.06)}
.cat-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:rgba(15,23,42,.55);color:#fff;transition:background .3s}
.cat-tile:hover .cat-overlay{background:rgba(29,78,216,.75)}
.cat-overlay h3{font-family:var(--font-heading);font-size:20px;margin-bottom:4px}
.cat-overlay span{font-size:13px;opacity:.8}

/* === Products === */
.prod-card{background:var(--card);border:var(--card-border,1px solid var(--line));border-radius:var(--r);overflow:hidden;transition:transform .3s,box-shadow .3s}
.prod-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.prod-img{display:block;aspect-ratio:1;overflow:hidden;background:var(--bg-2)}
.prod-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.prod-card:hover .prod-img img{transform:scale(1.05)}
.prod-img .noimg{display:flex;align-items:center;justify-content:center;height:100%;font-size:48px;opacity:.3}
.prod-body{padding:16px}
.prod-body h3{font-size:15px;font-weight:600;margin-bottom:10px;line-height:1.4}
.prod-body h3 a{color:var(--ink)}
.prod-body h3 a:hover{color:var(--primary)}
.prod-actions{display:flex;gap:8px}

/* === Why Us === */
.why-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:60px;align-items:center}
.why-text .eyebrow{display:inline-block;font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--primary);margin-bottom:8px}
.why-text h2{font-family:var(--font-heading);font-size:clamp(24px,3vw,32px);font-weight:700;margin-bottom:16px}
.why-text>p{color:var(--muted);margin-bottom:24px}
.why-list{margin-bottom:28px}
.why-list li{padding:8px 0;font-size:15px;display:flex;align-items:center;gap:10px}
.why-list li i{color:var(--primary);font-size:14px}
.why-image{position:relative;overflow:hidden;border-radius:var(--r);aspect-ratio:4/3}
.why-image img{border-radius:var(--r);width:100%;height:100%;object-fit:cover}

/* === Solutions === */
.sol-card{display:block;border-radius:var(--r);overflow:hidden;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);transition:border-color .3s,transform .3s}
.sol-card:hover{border-color:var(--primary-l);transform:translateY(-4px)}
.sol-img{aspect-ratio:16/10;overflow:hidden}
.sol-img img{width:100%;height:100%;object-fit:cover}
.sol-body{padding:16px;display:flex;align-items:center;justify-content:space-between}
.sol-body h3{font-size:16px;font-weight:600;color:#fff}
.sol-arrow{font-size:20px;color:var(--primary-l)}

/* === Factory === */
.sec-factory{background:var(--bg-2)}
.factory-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:40px}
.fs-item{text-align:center;padding:24px;background:var(--card);border-radius:var(--r);border:1px solid var(--line)}
.fs-num{font-family:var(--font-heading);font-size:28px;font-weight:700;color:var(--primary)}
.fs-lbl{font-size:13px;color:var(--muted);margin-top:4px}
.factory-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.fg-item{position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:4/3}
.fg-item img{width:100%;height:100%;object-fit:cover}
.fg-item span{position:absolute;bottom:0;left:0;right:0;padding:10px;background:linear-gradient(transparent,rgba(0,0,0,.7));color:#fff;font-size:13px;font-weight:500}

/* === Certs === */
.sec-certs{background:var(--card)}
.cert-cards{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin-bottom:32px}
.cert-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px;transition:transform .2s,box-shadow .2s}
.cert-card:hover{transform:translateY(-3px);box-shadow:0 6px 20px rgba(0,0,0,.07)}
.cert-card-img{aspect-ratio:3/4;overflow:hidden;border-radius:6px;margin-bottom:10px;background:#f9f9f9;display:flex;align-items:center;justify-content:center}
.cert-card-img img{width:100%;height:100%;object-fit:contain}
.cert-card-name{font-size:13px;font-weight:600;color:var(--heading);text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cert-badges{display:flex;gap:24px;justify-content:center;flex-wrap:wrap;margin-top:32px}
.cert-badge{display:flex;flex-direction:column;align-items:center;gap:8px;padding:20px 28px;background:var(--bg);border-radius:var(--r);border:1px solid var(--line);min-width:100px}
.cert-badge i{font-size:28px;color:var(--primary)}
.cert-badge span{font-size:14px;font-weight:600}

/* === Cases === */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px;transition:box-shadow .3s}
.case-card:hover{box-shadow:var(--shadow)}
.case-meta{display:flex;gap:12px;align-items:center;margin-bottom:14px}
.case-tag{display:inline-block;padding:4px 10px;font-size:12px;font-weight:600;background:var(--bg-2);border-radius:4px;color:var(--primary)}
.case-loc{font-size:13px;color:var(--muted)}
.case-card h3{font-size:17px;font-weight:600;margin-bottom:10px;line-height:1.4}
.case-card p{font-size:14px;color:var(--muted);line-height:1.6;margin-bottom:16px}
.case-stats{display:flex;gap:16px;flex-wrap:wrap}
.case-stats li{font-size:13px;padding:6px 12px;background:var(--bg);border-radius:4px}
.case-stats li strong{color:var(--primary)}

/* === Blog === */
.post-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:transform .3s,box-shadow .3s}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.post-img{aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.post-img img{width:100%;height:100%;object-fit:cover}
.post-body{padding:20px}
.post-date{font-size:13px;color:var(--muted);margin-bottom:8px}
.post-body h3{font-size:17px;font-weight:600;color:var(--ink);margin-bottom:8px;line-height:1.4}
.post-body p{font-size:14px;color:var(--muted);line-height:1.5;margin-bottom:10px}
.post-more{font-size:14px;font-weight:600;color:var(--primary)}

/* === CTA === */
.sec-cta{background:var(--bg)}
.cta-band{background:linear-gradient(135deg,var(--primary),var(--primary-d));border-radius:var(--r);padding:60px 48px;text-align:center;color:#fff}
.cta-band h2{font-family:var(--font-heading);font-size:28px;margin-bottom:12px}
.cta-band p{font-size:16px;opacity:.85;margin-bottom:24px}
.cta-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* === Inner Page Components === */
.process-step{background:var(--card,#fff);border:1px solid var(--line,#e5e7eb);border-radius:var(--r,8px);padding:32px 24px;text-align:center;position:relative;transition:transform .2s,box-shadow .2s}
.process-step:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(15,23,42,.08)}
.ps-num{width:36px;height:36px;border-radius:50%;background:var(--primary);color:#fff;font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.process-step h4{font-size:16px;font-weight:700;margin-bottom:8px;color:var(--ink,#1e293b)}
.process-step p{font-size:14px;color:var(--muted,#64748b);line-height:1.7}
.process-grid{position:relative}
.process-grid::before{content:'';position:absolute;top:50px;left:10%;right:10%;height:2px;background:linear-gradient(90deg,transparent,var(--line,#e5e7eb) 10%,var(--line,#e5e7eb) 90%,transparent);z-index:0}
.process-step{position:relative;z-index:1}
.adv-card{background:var(--card,#fff);border:1px solid var(--line,#e5e7eb);border-radius:var(--r,8px);padding:36px 24px;text-align:center;transition:transform .2s,box-shadow .2s}
.adv-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(15,23,42,.08)}
.adv-ic{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--primary-d,#1e3a8a));color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;margin:0 auto 18px}
.adv-card h3{font-size:17px;font-weight:700;margin-bottom:10px;color:var(--ink,#1e293b)}
.adv-card p{font-size:14px;color:var(--muted,#64748b);line-height:1.7}
.factory-showcase{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center}
.fs-text ul{list-style:none;padding:0;margin:0}
.fs-text li{padding:14px 0;border-bottom:1px solid var(--line,#e5e7eb);font-size:15px;line-height:1.7;display:flex;align-items:baseline;gap:8px}
.fs-text li strong{color:var(--ink,#1e293b);white-space:nowrap}
.fs-stat-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.fs-mini{background:linear-gradient(135deg,#f8fafc,#f1f5f9);border:1px solid var(--line,#e5e7eb);border-radius:var(--r,8px);padding:20px 16px;text-align:center;font-size:14px;font-weight:700;color:var(--ink,#1e293b);transition:transform .2s}
.fs-mini:hover{transform:scale(1.03)}
.fs-mini i{color:var(--primary);margin-right:8px;font-size:16px}

/* === Page Hero === */
.page-hero{background:linear-gradient(135deg,#0f172a 0%,#1e3a8a 60%,#2563eb 100%);color:#fff;padding:72px 0 48px;text-align:center}
.page-hero h1{font-family:var(--font-heading);font-size:clamp(28px,4.5vw,44px);font-weight:700;margin-bottom:12px;letter-spacing:-.5px}
.page-hero p{font-size:16px;opacity:.8;max-width:600px;margin:0 auto}
.page-hero-sm{padding:40px 0 30px}
.hero-sub{font-size:17px;opacity:.85;max-width:650px;margin:0 auto 28px;line-height:1.7}
.hero-stats{display:flex;justify-content:center;gap:0;flex-wrap:wrap;margin-top:32px;padding-top:28px;border-top:1px solid rgba(255,255,255,.15)}
.hs{text-align:center;padding:0 32px;position:relative}
.hs+.hs::before{content:'';position:absolute;left:0;top:4px;bottom:4px;width:1px;background:rgba(255,255,255,.2)}
.hs strong{display:block;font-size:26px;font-weight:700;margin-bottom:4px}
.hs span{font-size:13px;opacity:.65;text-transform:uppercase;letter-spacing:.5px}
.crumb-bar{background:var(--card);border-bottom:1px solid var(--line);padding:12px 0;font-size:13px;color:var(--muted)}
.crumb-bar a{color:var(--muted)}
.crumb-bar a:hover{color:var(--primary)}

/* === Sub Categories === */
.sec-list{padding:var(--section-gap) 0}
.sec-list .product-grid{margin-bottom:40px}
.sub-cats{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:32px}
.sub-cat{display:flex;align-items:center;gap:8px;padding:8px 16px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);font-size:14px;color:var(--ink);transition:border-color .2s}
.sub-cat:hover{border-color:var(--primary);color:var(--primary)}
.sub-cat img{width:32px;height:32px;object-fit:cover;border-radius:4px}

/* === Product Detail === */
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-bottom:48px}
.detail-gallery{min-width:0;overflow:hidden}
.gallery-main{border-radius:var(--r);overflow:hidden;border:1px solid var(--line)}
.gallery-main img{width:100%;aspect-ratio:1;object-fit:contain;background:var(--bg-2);transition:opacity .3s}
.gallery-thumbs{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.thumb{width:64px;height:64px;border-radius:var(--r-sm);overflow:hidden;border:2px solid var(--line);cursor:pointer;transition:border-color .2s;flex-shrink:0}
.thumb:hover{border-color:var(--primary)}
.thumb.active{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary)}
.thumb img{width:100%;height:100%;object-fit:cover}
.btn-whatsapp{background:#25d366;color:#fff;border:none}
.btn-whatsapp:hover{background:#1da851;color:#fff}
.detail-info{min-width:0;overflow:hidden}
.detail-info h1{font-family:var(--font-heading);font-size:24px;font-weight:700;margin-bottom:14px;word-wrap:break-word}
.detail-desc{color:var(--muted);margin-bottom:20px;line-height:1.7}
.detail-specs{margin-bottom:24px;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.spec-item{display:flex;border-bottom:1px solid var(--line);font-size:14px}
.spec-item:last-child{border-bottom:none}
.spec-k{width:120px;padding:10px 14px;background:var(--bg-2);font-weight:600;flex-shrink:0}
.spec-v{padding:10px 14px;color:var(--muted)}
.detail-actions{display:flex;gap:12px;margin-bottom:20px;flex-wrap:wrap}
.detail-trust{display:flex;gap:20px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.detail-trust i{color:var(--primary);margin-right:4px}
.detail-content{padding:0;line-height:1.8;font-size:15px;color:var(--body,#334155);overflow:hidden;word-wrap:break-word}
.detail-content img{border-radius:var(--r);margin:16px 0;max-width:100%!important;height:auto!important;display:block}
.detail-content h2,.detail-content h3,.detail-content h4{margin:24px 0 12px;color:var(--ink)}
.detail-section-title{font-family:var(--font-heading);font-size:22px;font-weight:700;margin-bottom:20px;padding-bottom:14px;border-bottom:2px solid var(--primary)}
.detail-lower{display:grid;grid-template-columns:1fr 340px;gap:40px;padding-top:40px;border-top:1px solid var(--line);align-items:start}
.detail-main{min-width:0}
.detail-sidebar{position:sticky;top:90px}
.sidebar-inquiry{background:var(--ink,#0f172a);color:#fff;border-radius:var(--r);padding:28px 24px;margin-bottom:20px}
.sidebar-inquiry h3{font-size:18px;font-weight:700;margin-bottom:8px}
.sidebar-inquiry p{font-size:13px;opacity:.7;margin-bottom:16px;line-height:1.5}
.sidebar-inquiry input,.sidebar-inquiry textarea{width:100%;padding:10px 12px;border:1px solid rgba(255,255,255,.15);border-radius:6px;background:rgba(255,255,255,.08);color:#fff;font-size:14px;margin-bottom:10px}
.sidebar-inquiry input::placeholder,.sidebar-inquiry textarea::placeholder{color:rgba(255,255,255,.5)}
.sidebar-inquiry .btn-block{width:100%;margin-top:4px}
.sidebar-contact{margin-top:16px;display:flex;flex-direction:column;gap:8px;font-size:13px;opacity:.8}
.sidebar-contact i{margin-right:6px;width:16px;text-align:center}
.sidebar-related{background:var(--card,#fff);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.sidebar-related h3{font-size:16px;font-weight:700;margin-bottom:14px}
.related-row{display:flex;align-items:center;gap:12px;padding:8px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--body);font-size:13px;line-height:1.4;transition:color .2s}
.related-row:last-child{border-bottom:none}
.related-row:hover{color:var(--primary)}
.related-row img{width:50px;height:50px;object-fit:cover;border-radius:6px;flex-shrink:0}
.why-source{margin-top:48px;padding:36px 32px;background:var(--bg-2,#f5f7fa);border-radius:var(--r);border:1px solid var(--line)}
.why-source h2{font-family:var(--font-heading);font-size:20px;font-weight:700;margin-bottom:24px}
.why-item{display:flex;gap:14px;align-items:flex-start}
.why-ic{width:42px;height:42px;border-radius:10px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}
.why-item h4{font-size:15px;font-weight:700;margin-bottom:4px}
.why-item p{font-size:13px;color:var(--muted);line-height:1.6}
.detail-pager{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-top:32px;margin-top:32px;border-top:1px solid var(--line)}
.pager-item{flex:1;min-width:0}
.pager-next{text-align:right}
.pager-link{font-size:14px;color:var(--body);text-decoration:none;transition:color .2s;display:inline-block;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pager-link:hover{color:var(--primary)}
.pager-empty{color:var(--muted);opacity:.5}
.pager-link i{margin:0 6px}

/* === Article === */
.article-layout{display:grid;grid-template-columns:1fr 300px;gap:40px}
.article-main{min-width:0;overflow:hidden}
.article-header h1{font-family:var(--font-heading);font-size:28px;font-weight:700;margin-bottom:12px;word-wrap:break-word;overflow-wrap:break-word}
.article-meta{display:flex;gap:16px;font-size:13px;color:var(--muted);margin-bottom:32px}
.article-content{line-height:1.8;font-size:16px;overflow:hidden;word-wrap:break-word}
.article-content h2,.article-content h3{font-family:var(--font-heading);margin:28px 0 12px}
.article-content p{margin-bottom:16px}
.article-content img{max-width:100%!important;height:auto!important;border-radius:var(--r);margin:20px 0;display:block}
.article-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:32px;padding-top:20px;border-top:1px solid var(--line)}
.article-tags a{padding:4px 12px;background:var(--bg-2);border-radius:4px;font-size:13px;color:var(--muted)}
.article-tags a:hover{color:var(--primary);background:var(--bg)}
.tag-cloud{display:flex;gap:8px;flex-wrap:wrap;max-height:300px;overflow-y:auto;padding-right:4px}
.tag-cloud::-webkit-scrollbar{width:4px}
.tag-cloud::-webkit-scrollbar-track{background:transparent}
.tag-cloud::-webkit-scrollbar-thumb{background:var(--line,#e5e7eb);border-radius:4px}
.tag-cloud::-webkit-scrollbar-thumb:hover{background:var(--muted,#94a3b8)}
.tag-item{padding:5px 12px;background:var(--bg-2);border-radius:4px;font-size:13px;color:var(--body);text-decoration:none;transition:color .2s,background .2s}
.tag-item:hover{color:var(--primary);background:var(--primary-l,#e0e7ff)}
.article-nav{display:flex;justify-content:space-between;margin-top:32px;padding-top:20px;border-top:1px solid var(--line);font-size:14px}

/* Blog Layout */
.blog-layout{display:grid;grid-template-columns:1fr 280px;gap:40px}
.blog-main{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.blog-sidebar .sidebar-box{background:var(--bg-2);border-radius:var(--r);padding:20px;margin-bottom:16px}
.blog-sidebar .sidebar-box h4{font-size:15px;font-weight:700;margin-bottom:12px;padding-bottom:8px;border-bottom:2px solid var(--primary)}
.blog-sidebar .sidebar-box a{display:block;padding:6px 0;font-size:14px;color:var(--muted)}
.blog-sidebar .sidebar-box a:hover{color:var(--primary)}
.blog-sidebar .sidebar-box .tag-cloud a{display:inline-block!important;padding:5px 12px;margin:0}
.blog-main .pagination{grid-column:1/-1}
.blog-main.tags-list{align-content:start}
.side-post{border-bottom:1px solid var(--line);padding-bottom:8px!important}
.sidebar-cta{text-align:center}
.sidebar-cta p{font-size:14px;color:var(--muted);margin-bottom:12px}
.sidebar-cta .btn{color:#fff!important;background:var(--primary);border-color:var(--primary)}
.article-share{display:flex;align-items:center;gap:12px;margin-top:32px;padding-top:20px;border-top:1px solid var(--line)}
.article-share span{font-size:14px;color:var(--muted)}
.share-btn{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;text-decoration:none;transition:transform .2s}
.share-btn:hover{transform:scale(1.1)}
.share-fb{background:#1877f2}
.share-x{background:#000}
.share-in{background:#0a66c2}
.share-wa{background:#25d366}

/* === About / Single / Contact === */
.about-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center}
.about-text{line-height:1.8}
.about-image img{border-radius:var(--r)}
.sec-stats{background:var(--primary);padding:60px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat-num{font-family:var(--font-heading);font-size:36px;font-weight:700;color:#fff}
.stat-lbl{font-size:14px;color:rgba(255,255,255,.8);margin-top:4px}
.sec-single{padding:var(--section-gap) 0}
.single-content{max-width:800px;margin:0 auto;line-height:1.8;font-size:16px}
.single-content h2,.single-content h3{font-family:var(--font-heading);margin:24px 0 12px}
.single-content ul{padding-left:1.5em;margin:12px 0}
.single-content li{margin-bottom:8px}
.single-content img{border-radius:var(--r);margin:16px 0}
.detail{padding:var(--section-gap) 0}
.detail .single-wrap{max-width:800px;margin:0 auto}
.detail .contents{line-height:1.8;font-size:16px}
.detail .contents h2,.detail .contents h3{font-family:var(--font-heading);margin:24px 0 12px}
.detail .contents ul{padding-left:1.5em;margin:12px 0}
.detail .contents li{margin-bottom:8px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:48px;align-items:start}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:36px 32px;box-shadow:0 4px 16px rgba(0,0,0,.04)}
.ci-item{display:flex;gap:16px;margin-bottom:24px}
.ci-item i{font-size:20px;color:var(--primary);margin-top:4px}
.ci-item h4{font-size:15px;font-weight:600;margin-bottom:4px}
.ci-item a,.ci-item p{font-size:14px;color:var(--muted)}
.contact-form h3{font-family:var(--font-heading);font-size:22px;margin-bottom:8px}
.form-desc{font-size:14px;color:var(--muted);margin-bottom:24px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.contact-form input,.contact-form textarea,.modal-box input,.modal-box textarea{width:100%;padding:12px 16px;border:1px solid var(--line);border-radius:var(--r-sm);font-size:14px;font-family:var(--font-body);outline:none;transition:border-color .2s}
.contact-form input:focus,.contact-form textarea:focus,.modal-box input:focus,.modal-box textarea:focus{border-color:var(--primary)}
.contact-form textarea,.modal-box textarea{resize:vertical;margin-bottom:16px}

/* === Footer === */
.site-footer{background:#0f172a;color:rgba(255,255,255,.8);padding-top:60px}
.foot-subscribe{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:32px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-subscribe h3{font-size:18px;color:#fff;margin-bottom:4px}
.foot-subscribe p{font-size:14px;opacity:.7}
.foot-subscribe form{display:flex}
.foot-subscribe input{padding:10px 16px;border:1px solid rgba(255,255,255,.2);border-radius:var(--r-sm) 0 0 var(--r-sm);background:rgba(255,255,255,.05);color:#fff;font-size:14px;min-width:240px}
.foot-subscribe button{padding:10px 20px;background:var(--primary);color:#fff;border:none;border-radius:0 var(--r-sm) var(--r-sm) 0;font-weight:600;font-size:14px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:32px;padding:48px 0}
.foot-brand .logo img{height:32px;margin-bottom:12px}
.foot-brand p{font-size:14px;opacity:.7;line-height:1.6;margin-bottom:16px}
.foot-social{display:flex;gap:12px}
.foot-social a{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(255,255,255,.1);color:#fff;transition:background .2s}
.foot-social a:hover{background:var(--primary);color:#fff}
.foot-col h4{font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:#fff;margin-bottom:16px}
.foot-col a{display:block;padding:4px 0;font-size:14px;color:rgba(255,255,255,.6);transition:color .2s}
.foot-col a:hover{color:#fff}
.foot-contact p{font-size:14px;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.foot-contact a{display:inline;color:rgba(255,255,255,.6)}
.foot-contact a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:rgba(255,255,255,.5);max-width:var(--maxw);margin:0 auto;padding-left:24px;padding-right:24px}
.foot-legal a{margin-left:16px;color:rgba(255,255,255,.5)}
.foot-legal a:hover{color:#fff}

/* === Modal === */
.modal-overlay{position:fixed;inset:0;background:rgba(15,23,42,.6);z-index:9999;display:none;align-items:center;justify-content:center;padding:20px}
.modal-overlay.on{display:flex}
.modal-box{background:var(--card);border-radius:var(--r);padding:36px;width:100%;max-width:560px;max-height:90vh;overflow-y:auto;position:relative}
.modal-close{position:absolute;top:16px;right:16px;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;cursor:pointer;font-size:16px;color:var(--muted);transition:background .2s}
.modal-close:hover{background:var(--bg-2)}
.modal-box h3{font-family:var(--font-heading);font-size:22px;margin-bottom:6px}
.modal-desc{font-size:14px;color:var(--muted);margin-bottom:20px}
.modal-box .form-row{margin-bottom:12px}

/* Success Overlay */
.success-overlay{position:fixed;inset:0;background:rgba(15,23,42,.6);z-index:99999;display:flex;align-items:center;justify-content:center}
.success-box{background:#fff;border-radius:var(--r);padding:48px;text-align:center;max-width:400px}
.success-icon{font-size:48px;color:#10b981;margin-bottom:16px}
.success-box h3{font-size:22px;margin-bottom:8px}
.success-box p{color:var(--muted);margin-bottom:20px}

/* WhatsApp Float */
.wa-float{position:fixed;bottom:90px;right:24px;width:56px;height:56px;background:#25d366;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(37,211,102,.4);z-index:900;transition:transform .2s}
.wa-float:hover{transform:scale(1.1)}
.back-to-top{position:fixed;bottom:24px;right:24px;width:56px;height:56px;background:var(--card);border:1px solid var(--line);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--ink);box-shadow:0 2px 8px rgba(0,0,0,.1);z-index:900;transition:opacity .3s,transform .3s;opacity:0;pointer-events:none;transform:translateY(10px)}
.back-to-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.back-to-top:hover{background:var(--primary);color:#fff;border-color:var(--primary)}

/* Mobile Inquiry Bar */
.mobile-inquiry-bar{display:none;position:fixed;bottom:0;left:0;right:0;z-index:900;background:var(--card);border-top:1px solid var(--line);padding:10px 16px;gap:10px}
.mib-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;padding:12px;border-radius:var(--r-sm);font-size:14px;font-weight:600;text-align:center}
.mib-quote{background:var(--primary);color:#fff}
.mib-wa{background:#25d366;color:#fff}

/* Cookie Bar */
.cookie-bar{position:fixed;bottom:0;left:0;right:0;background:var(--ink);color:#fff;z-index:800;padding:14px 0}
.cookie-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.cookie-inner p{font-size:13px;opacity:.8}
.cookie-inner a{color:var(--primary-l)}

/* Pagination */
.pagination{margin-top:40px;display:flex;justify-content:center;gap:6px;flex-wrap:wrap}
.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;padding:0 10px;border-radius:var(--r-sm);font-size:14px;border:1px solid var(--line);color:var(--ink);transition:all .2s}
.pagination span:has(> a:empty){display:none}
.pagination a:hover,.pagination .active,.pagination span.active,.pagination span.active a{background:var(--primary);color:#fff;border-color:var(--primary)}
.pagination span{border:none;padding:0}
.pagination span a{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;padding:0 10px;border-radius:var(--r-sm);font-size:14px;border:1px solid var(--line);color:var(--ink);transition:all .2s}
.pagination span a:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.pagination .prev-next i.iconfont{font-style:normal}
.pagination .prev-next i.iconfont.icon-arrow5::before{content:'\2039';font-size:20px;line-height:1}
.pagination .prev-next i.iconfont.icon-arrow6::before{content:'\203A';font-size:20px;line-height:1}

/* 404 */
.sec-404{padding:120px 0}
.error-code{font-family:var(--font-heading);font-size:120px;font-weight:800;color:var(--line);line-height:1}
.sec-404 h1{font-size:28px;margin:16px 0 8px}
.sec-404 p{color:var(--muted);margin-bottom:24px}

/* === Responsive === */
@media(max-width:1200px){
  .g-4{grid-template-columns:repeat(3,1fr)}
  .factory-stats{grid-template-columns:repeat(2,1fr)}
  .factory-gallery{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:992px){
  .main-nav{display:none}
  .burger{display:flex}
  .main-nav.open{display:flex;flex-direction:column;position:absolute;top:72px;left:0;right:0;background:var(--card);border-bottom:1px solid var(--line);padding:16px;box-shadow:var(--shadow);z-index:999}
  .nav-item>a{padding:12px 16px}
  .dropdown{position:static;box-shadow:none;border:none;padding-left:16px;min-width:auto;opacity:0;visibility:hidden;pointer-events:none;height:0;overflow:hidden;padding:0;transition:none}
  .dropdown-grid{grid-template-columns:1fr;min-width:auto}
  .nav-item:hover>.dropdown{display:none;opacity:0;visibility:hidden}
  .nav-item.open>.dropdown{display:block;opacity:1;visibility:visible;pointer-events:auto;height:auto;overflow:visible;padding:8px 0 8px 16px}
  .nav-item.open>.dropdown.dropdown-grid{display:grid}
  .hero{padding:60px 0 40px}
  .hero h1{font-size:32px}
  .hero-showcase{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:1fr}
  .detail-grid{grid-template-columns:1fr}
  .detail-lower{grid-template-columns:1fr}
  .detail-sidebar{position:static}
  .article-layout{grid-template-columns:1fr}
  .blog-layout{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:repeat(2,1fr)}
  .header-email{display:none}
}
@media(max-width:768px){
  .g-4,.g-3{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:1fr}
  .hero-metrics{gap:20px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .blog-main{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .mobile-inquiry-bar{display:flex}
  .wa-float{bottom:80px}
  .back-to-top{bottom:140px;right:24px;width:56px;height:56px}
  body{padding-bottom:60px}
  .form-row{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .factory-showcase{grid-template-columns:1fr}
  .cert-cards{grid-template-columns:repeat(3,1fr);gap:12px}
  .hero-stats{gap:12px;flex-wrap:wrap;border-top:0;padding-top:20px}
  .hs{padding:0 16px}
  .hs+.hs::before{display:none}
  .hs strong{font-size:20px}
}
@media(max-width:480px){
  .g-4,.g-3,.g-2{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:1fr}
  .hero-showcase{grid-template-columns:repeat(2,1fr)}
  .factory-stats,.factory-gallery{grid-template-columns:1fr}
  .hero-metrics{flex-direction:column;gap:12px}
  .cert-cards{grid-template-columns:repeat(2,1fr);gap:10px}
  .cert-badges{gap:12px}
  .cert-badge{padding:14px 16px;min-width:70px}
  .cta-band{padding:40px 20px}
  .article-header h1{font-size:20px}
  .detail-info h1{font-size:18px}
  .detail-actions{flex-direction:column}
  .detail-actions .btn{width:100%;justify-content:center}
  .thumb{width:48px;height:48px}
  .detail-trust{gap:10px;font-size:12px}
  .foot-subscribe{flex-direction:column;align-items:flex-start}
  .wrap{padding:0 16px}
}

/* Inquiry List Page */
.inquiry-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:start}
.inquiry-products h3{font-family:var(--font-heading);font-size:18px;font-weight:600}
.inquiry-item{display:flex;align-items:center;gap:16px;padding:16px;border:1px solid var(--line);border-radius:var(--r);margin-bottom:12px;position:relative}
.inquiry-img{width:80px;height:80px;flex-shrink:0;border-radius:8px;overflow:hidden;background:#f5f5f5}
.inquiry-img img{width:100%;height:100%;object-fit:cover}
.inquiry-info{flex:1;min-width:0}
.inquiry-info h4{font-size:14px;font-weight:600;margin-bottom:8px;line-height:1.4}
.inquiry-info h4 a{color:var(--heading)}
.inquiry-info h4 a:hover{color:var(--primary)}
.inquiry-qty{display:flex;align-items:center;gap:0}
.inquiry-qty a{width:30px;height:30px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);background:var(--card);font-size:16px;color:var(--heading);text-decoration:none;user-select:none}
.inquiry-qty a:hover{background:var(--primary);color:#fff}
.inquiry-qty input{width:50px;height:30px;text-align:center;border:1px solid var(--line);border-left:0;border-right:0;font-size:14px}
.inquiry-remove{position:absolute;top:12px;right:12px;width:24px;height:24px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:14px;text-decoration:none;border-radius:50%;transition:all .2s}
.inquiry-remove:hover{background:#fee;color:#e53e3e}
.inquiry-form-wrap{position:sticky;top:100px}
.inline-inquiry{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px}
.inline-inquiry h3{font-family:var(--font-heading);font-size:18px;font-weight:600;margin-bottom:6px}
.inline-inquiry p{font-size:14px;color:var(--muted);margin-bottom:20px}
.inline-inquiry .form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.inline-inquiry input,.inline-inquiry textarea{width:100%;padding:10px 14px;border:1px solid var(--line);border-radius:8px;font-size:14px;background:#fff;transition:border-color .2s}
.inline-inquiry input:focus,.inline-inquiry textarea:focus{border-color:var(--primary);outline:none}
.inline-inquiry textarea{resize:vertical;margin-bottom:4px}
@media(max-width:768px){
  .inquiry-layout{grid-template-columns:1fr}
  .inquiry-form-wrap{position:static}
  .inline-inquiry .form-row{grid-template-columns:1fr}
}

/* Catalog Page */
.catalog-page{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.catalog-info h2{font-family:var(--font-heading);font-size:24px;font-weight:700;margin-bottom:20px;color:var(--heading)}
.pd-feats{list-style:none;padding:0;margin:0}
.pd-feats li{padding:10px 0;border-bottom:1px solid var(--line);font-size:15px;color:var(--body);display:flex;align-items:center;gap:10px}
.pd-feats li:last-child{border-bottom:none}
.pd-feats li i{color:var(--primary);font-style:normal;font-weight:700;font-size:16px}
@media(max-width:768px){
  .catalog-page{grid-template-columns:1fr}
}

/* Product List Layout - sidebar + main */
.list-layout{display:grid;grid-template-columns:260px 1fr;gap:32px;align-items:start}
.list-main{min-width:0}

/* Side Navigation */
.side-nav{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;position:sticky;top:90px}
.side-nav-title{display:flex;align-items:center;gap:10px;padding:16px 20px;font-family:var(--font-heading);font-size:16px;font-weight:700;background:var(--primary);color:#fff;margin:0}
.side-nav-list{list-style:none;padding:0;margin:0}
.side-nav-item{border-bottom:1px solid var(--line)}
.side-nav-item:last-child{border-bottom:none}
.side-nav-link{display:block;padding:12px 20px;font-size:14px;font-weight:600;color:var(--heading);transition:all .2s}
.side-nav-link:hover{color:var(--primary);background:rgba(37,99,235,.04)}
.side-nav-sub{list-style:none;padding:0 0 8px 0;margin:0}
.side-nav-sub>li>a{display:block;padding:7px 20px 7px 36px;font-size:13px;color:var(--body);transition:color .2s}
.side-nav-sub>li>a:hover{color:var(--primary)}
.side-nav-sub2{list-style:none;padding:0;margin:0}
.side-nav-sub2 li a{display:block;padding:5px 20px 5px 52px;font-size:12px;color:var(--muted);transition:color .2s}
.side-nav-sub2 li a:hover{color:var(--primary)}
.side-cta{background:var(--ink,#0f172a);color:#fff;border-radius:var(--r);padding:24px 20px;margin-top:16px;text-align:center}
.side-cta h4{font-size:16px;font-weight:700;margin-bottom:8px}
.side-cta p{font-size:13px;opacity:.75;line-height:1.5;margin-bottom:16px}
.side-hot{background:var(--card,#fff);border:1px solid var(--line);border-radius:var(--r);padding:20px;margin-top:16px}
.side-hot h4{font-size:15px;font-weight:700;margin-bottom:14px}
.hot-row{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--body);font-size:13px;line-height:1.4;transition:color .2s}
.hot-row:last-child{border-bottom:none}
.hot-row:hover{color:var(--primary)}
.hot-row img{width:54px;height:54px;object-fit:cover;border-radius:6px;flex-shrink:0}
.hot-row span{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
@media(max-width:992px){
  .list-layout{grid-template-columns:1fr}
  .side-nav{position:static}
}

/* Toast Notification */
.toast-notify{position:fixed;bottom:40px;left:50%;transform:translateX(-50%) translateY(20px);background:#1a202c;color:#fff;padding:14px 24px;border-radius:40px;display:flex;align-items:center;gap:14px;font-size:14px;box-shadow:0 8px 24px rgba(0,0,0,.2);opacity:0;transition:all .3s ease;z-index:9999;pointer-events:none}
.toast-notify.show{opacity:1;transform:translateX(-50%) translateY(0);pointer-events:auto}
.toast-notify a{color:var(--accent,#f5a623);font-weight:600;text-decoration:none;white-space:nowrap}
.toast-notify a:hover{text-decoration:underline}

/* FAQ Page */
.faq-page{max-width:800px;margin:0 auto;padding:40px 0}
.faq-block{margin-bottom:40px}
.faq-block h2{font-family:var(--font-heading);font-size:20px;font-weight:700;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--primary);display:flex;align-items:center;gap:10px}
.faq-block h2 i{color:var(--primary)}
.faq-item{border:1px solid var(--line);border-radius:var(--r);margin-bottom:8px;overflow:hidden;transition:box-shadow .2s}
.faq-item:hover{box-shadow:0 2px 8px rgba(0,0,0,.05)}
.faq-q{padding:16px 20px;font-size:15px;font-weight:600;color:var(--heading);cursor:pointer;display:flex;align-items:center;justify-content:space-between;transition:background .2s}
.faq-q:hover{background:rgba(37,99,235,.03)}
.faq-q::after{content:'+';font-size:20px;font-weight:300;color:var(--muted);transition:transform .3s}
.faq-item.open .faq-q::after{content:'-';transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease;padding:0 20px;font-size:14px;line-height:1.7;color:var(--body)}
.faq-item.open .faq-a{max-height:600px;padding:0 20px 16px}
.faq-a ul{padding-left:1.2em;margin:8px 0}
.faq-a li{margin-bottom:6px}
.faq-cta{text-align:center;padding:40px 0;border-top:1px solid var(--line);margin-top:20px}
.faq-cta h3{font-family:var(--font-heading);font-size:20px;margin-bottom:8px}
.faq-cta p{color:var(--muted);margin-bottom:20px}

/* === About Page === */
.about-hero{background:var(--primary-d,#1e3a8a);color:#fff;padding:80px 0 60px;text-align:center}
.about-hero h1{font-family:var(--font-heading);font-size:clamp(28px,4vw,42px);font-weight:800;margin-bottom:12px}
.about-hero>div>p{font-size:16px;opacity:.85;max-width:600px;margin:0 auto 32px}
.about-hero-stats{display:flex;justify-content:center;gap:48px;flex-wrap:wrap}
.ahs-item{display:flex;flex-direction:column;align-items:center}
.ahs-item strong{font-size:28px;font-weight:800;letter-spacing:-1px}
.ahs-item span{font-size:13px;opacity:.7;margin-top:2px}

.sec-about-intro{padding:60px 0}
.about-intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.about-intro-text h2{font-family:var(--font-heading);font-size:clamp(22px,3vw,30px);font-weight:700;margin-bottom:16px;color:var(--heading)}
.about-content{font-size:15px;line-height:1.8;color:var(--body);margin-bottom:20px}
.about-checks{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px}
.about-checks li{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:500;color:var(--heading)}
.about-checks i{color:var(--primary);font-size:16px}
.about-intro-media img{width:100%;border-radius:var(--r);box-shadow:0 8px 32px rgba(0,0,0,.1)}

.sec-about-scale{padding:60px 0;background:var(--bg-2,#f8faf9)}
.sec-about-scale h2{font-family:var(--font-heading);font-size:clamp(22px,3vw,28px);font-weight:700;text-align:center;margin-bottom:36px}
.scale-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.scale-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 20px;text-align:center;transition:transform .2s,box-shadow .2s}
.scale-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.08)}
.scale-icon{width:48px;height:48px;border-radius:50%;background:#dbeafe;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.scale-icon i{font-size:20px;color:var(--primary)}
.scale-card strong{display:block;font-size:24px;font-weight:800;color:var(--heading);margin-bottom:4px}
.scale-card span{font-size:13px;color:var(--muted)}

.sec-about-timeline{padding:60px 0}
.sec-about-timeline h2{font-family:var(--font-heading);font-size:clamp(22px,3vw,28px);font-weight:700;margin-bottom:40px}
.timeline{position:relative;margin-left:60px;padding-left:32px;border-left:2px solid #dbeafe}
.tl-item{position:relative;margin-bottom:36px}
.tl-item:last-child{margin-bottom:0}
.tl-year{position:absolute;left:-92px;top:0;width:50px;font-size:15px;font-weight:800;color:var(--primary);text-align:right}
.tl-item::before{content:'';position:absolute;left:-38px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--primary);border:3px solid #dbeafe}
.tl-body strong{font-size:16px;font-weight:700;color:var(--heading);display:block;margin-bottom:4px}
.tl-body p{font-size:14px;color:var(--muted);margin:0;line-height:1.6}

.sec-about-why{padding:60px 0;background:var(--bg-2,#f8faf9)}
.sec-about-why h2{font-family:var(--font-heading);font-size:clamp(22px,3vw,28px);font-weight:700;margin-bottom:36px}
.sec-about-why .why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.why-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 24px;transition:transform .2s,box-shadow .2s}
.why-card:hover{transform:translateY(-3px);box-shadow:0 6px 20px rgba(0,0,0,.07)}
.why-icon{width:44px;height:44px;border-radius:10px;background:#dbeafe;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.why-icon i{font-size:18px;color:var(--primary)}
.why-card h4{font-size:16px;font-weight:700;color:var(--heading);margin-bottom:8px}
.why-card p{font-size:14px;color:var(--muted);line-height:1.6;margin:0}

.sec-about-certs{padding:60px 0;text-align:center}
.sec-about-certs h2{font-family:var(--font-heading);font-size:clamp(22px,3vw,28px);font-weight:700;margin-bottom:8px}
.sec-about-certs .sec-sub{font-size:14px;color:var(--muted);max-width:560px;margin:0 auto 32px}
.sec-about-certs .cert-row{display:flex;justify-content:center;gap:32px;flex-wrap:wrap}
.cert-item{display:flex;flex-direction:column;align-items:center;gap:8px;width:80px}
.cert-item i{font-size:28px;color:var(--primary);width:56px;height:56px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:#dbeafe}
.cert-item span{font-size:12px;font-weight:600;color:var(--heading)}

/* === Certificates List Page === */
.cert-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cert-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:32px 24px;text-align:center;transition:transform .2s,box-shadow .2s}
.cert-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.08)}
.cert-card .seal{width:64px;height:64px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;font-size:32px;color:var(--primary);background:#dbeafe;border-radius:50%}
.cert-card .seal img{width:48px;height:48px;object-fit:contain}
.cert-card h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:8px;line-height:1.4}
.cert-card p{font-size:14px;color:var(--muted);line-height:1.6;margin:0}
.fact-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px 24px;text-align:center;transition:transform .2s,box-shadow .2s}
.fact-card:hover{transform:translateY(-3px);box-shadow:0 6px 20px rgba(0,0,0,.07)}
.fact-card i{font-size:28px;color:var(--primary);margin-bottom:14px;display:block}
.fact-card strong{display:block;font-size:16px;font-weight:700;color:var(--ink);margin-bottom:8px}
.fact-card span{font-size:14px;color:var(--muted);line-height:1.6}
@media(max-width:768px){
  .cert-row{grid-template-columns:1fr}
}

.sec-about-capacity{padding:60px 0;background:var(--bg-2,#f8faf9)}
.about-cap-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.sec-label{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--primary);margin-bottom:8px;display:block}
.about-cap-text h2{font-family:var(--font-heading);font-size:clamp(22px,3vw,28px);font-weight:700;margin-bottom:16px}
.about-cap-text>p{font-size:15px;line-height:1.7;color:var(--body);margin-bottom:24px}
.cap-highlights{display:flex;flex-direction:column;gap:12px;margin-bottom:24px}
.cap-hl{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:500;color:var(--heading)}
.cap-hl i{color:var(--primary);width:20px;text-align:center}
.about-cap-img img{width:100%;border-radius:var(--r);box-shadow:0 8px 32px rgba(0,0,0,.1)}

.sec-about-cta{padding:60px 0}
.about-cta-box{background:var(--primary-d,#1e3a8a);color:#fff;border-radius:var(--r);padding:48px 40px;text-align:center}
.about-cta-box h2{font-family:var(--font-heading);font-size:clamp(22px,3vw,28px);font-weight:700;margin-bottom:12px}
.about-cta-box p{font-size:15px;opacity:.85;margin-bottom:24px}

.sec-about-catalog{padding:0 0 60px}
.about-catalog-bar{display:flex;align-items:center;justify-content:space-between;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px 28px}
.catalog-info{display:flex;align-items:center;gap:16px}
.catalog-info>i{font-size:28px;color:#e74c3c}
.catalog-info strong{display:block;font-size:15px;font-weight:600;color:var(--heading)}
.catalog-info span{font-size:13px;color:var(--muted)}

/* === Solutions Detail (article + sidebar) === */
.detail .detail-grid{grid-template-columns:1fr 320px;gap:40px;align-items:start}
.detail .article-body{min-width:0}
.detail .article-body h1{font-family:var(--font-heading);font-size:clamp(22px,3vw,30px);font-weight:700;margin-bottom:20px;color:var(--ink);line-height:1.4}
.detail .article-body .contents{line-height:1.8;font-size:16px;color:var(--ink);overflow-x:hidden;word-wrap:break-word}
.detail .article-body .contents img{border-radius:var(--r);margin:20px 0;max-width:100%!important;height:auto!important;width:auto}
.detail .article-body .contents h2,.detail .article-body .contents h3{font-family:var(--font-heading);margin:28px 0 12px;font-weight:700}
.detail .article-body .contents p{margin-bottom:16px}
.detail .article-body .contents ul,.detail .article-body .contents ol{padding-left:1.5em;margin:12px 0}
.detail .article-body .contents li{margin-bottom:8px}
.detail .sidebar{position:sticky;top:90px}
.detail .side-box{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;margin-bottom:20px}
.detail .side-box .st{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--primary)}
.detail .side-cat{display:flex;flex-direction:column;gap:0}
.detail .side-cat a{display:block;padding:9px 12px;font-size:14px;color:var(--muted);border-bottom:1px solid var(--line);transition:color .2s,background .2s;line-height:1.5}
.detail .side-cat a:last-child{border-bottom:none}
.detail .side-cat a:hover{color:var(--primary);background:rgba(37,99,235,.04)}
.detail .side-hot .item{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.detail .side-hot .item:last-child{border-bottom:none}
.detail .side-hot .item .img{width:60px;height:60px;flex-shrink:0;border-radius:var(--r-sm);overflow:hidden;display:block}
.detail .side-hot .item .img img{width:100%;height:100%;object-fit:cover}
.detail .side-hot .item .ph-empty{display:block;width:100%;height:100%;background:var(--bg-2)}
.detail .side-hot .item>a:last-child{font-size:13px;color:var(--ink);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s}
.detail .side-hot .item>a:last-child:hover{color:var(--primary)}
.detail .article-cta{margin-top:40px;padding:32px;background:linear-gradient(135deg,var(--primary),var(--primary-d));border-radius:var(--r);color:#fff;text-align:center}
.detail .article-cta h3{font-size:20px;font-weight:700;margin-bottom:8px}
.detail .article-cta p{font-size:14px;opacity:.85;margin-bottom:16px}
.detail .article-cta .btn{background:#fff;color:var(--primary);border-color:#fff}
.detail .article-cta .btn:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.detail .prenext{display:flex;justify-content:space-between;gap:20px;margin-top:32px;padding-top:20px;border-top:1px solid var(--line);font-size:14px}
.detail .prenext span{color:var(--muted);margin-right:6px}
.detail .prenext a{color:var(--ink);transition:color .2s}
.detail .prenext a:hover{color:var(--primary)}
@media(max-width:992px){
  .detail .detail-grid{grid-template-columns:1fr}
  .detail .sidebar{position:static}
}

/* === Solutions Page === */
.solutions-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.solution-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:transform .2s,box-shadow .2s;text-decoration:none}
.solution-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.08);border-color:var(--primary-l)}
.sol-img{width:100%;aspect-ratio:16/10;overflow:hidden}
.sol-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.solution-card:hover .sol-img img{transform:scale(1.05)}
.solution-card h3{font-size:16px;font-weight:700;color:var(--heading);margin-bottom:8px;line-height:1.4;padding:20px 24px 0}
.solution-card p{font-size:13px;color:var(--muted);line-height:1.6;margin-bottom:12px;padding:0 24px}
.sol-link{font-size:13px;font-weight:600;color:var(--primary);padding:0 24px 20px;display:block}

@media(max-width:768px){
.solutions-grid{grid-template-columns:1fr;gap:16px}
}

@media(max-width:768px){
.about-hero{padding:48px 0 40px}
.about-hero-stats{gap:24px}
.ahs-item strong{font-size:22px}
.about-intro-grid,.about-cap-grid{grid-template-columns:1fr;gap:28px}
.about-intro-media{order:-1}
.scale-grid{grid-template-columns:repeat(2,1fr);gap:16px}
.why-grid{grid-template-columns:1fr;gap:16px}
.sec-about-why .why-grid{grid-template-columns:1fr;gap:16px}
.timeline{margin-left:50px;padding-left:24px}
.tl-year{left:-74px;font-size:13px;width:44px}
.sec-about-certs .cert-row{gap:20px}
.about-catalog-bar{flex-direction:column;gap:16px;text-align:center}
}