/* ============================================================
   ledpowersourcing.com — production visual system
   B2B LED Power Supply manufacturer / sourcing site
   ============================================================ */
:root{
  --navy:#0e2A47;
  --navy-2:#133a5f;
  --navy-deep:#0a1f36;
  --orange:#ff6a00;
  --orange-d:#e85d00;
  --amber:#ff8a2a;
  --ink:#16232e;
  --muted:#5b6b78;
  --line:#e4e9ee;
  --bg:#ffffff;
  --bg-soft:#f4f7fa;
  --bg-tint:#eef4f9;
  --ok:#1d9e6c;
  --radius:12px;
  --shadow:0 6px 24px rgba(14,42,71,.08);
  --shadow-lg:0 18px 50px rgba(14,42,71,.16);
  --max:1240px;
  --font:'Inter','Helvetica Neue',Arial,'PingFang SC','Microsoft YaHei',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
h1,h2,h3,h4{line-height:1.2;font-weight:800;letter-spacing:-.02em;color:var(--navy)}
.sec{padding:84px 0}
.sec-soft{background:var(--bg-soft)}
.sec-head{max-width:720px;margin:0 auto 52px;text-align:center}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);margin-bottom:12px}
.sec-head h2{font-size:clamp(26px,3.4vw,38px);margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:17px}
.section-link{text-align:center;margin-top:40px}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:9px;padding:14px 28px;border-radius:8px;font-weight:700;font-size:15px;cursor:pointer;border:2px solid transparent;transition:.2s;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--orange),var(--orange-d));color:#fff;box-shadow:0 8px 20px rgba(255,106,0,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,106,0,.38)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-outline{border-color:var(--navy);color:var(--navy);background:transparent}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{transform:translateY(-2px)}
.btn-lg{padding:16px 34px;font-size:16px}

/* ===== top utility + header ===== */
.utility{background:var(--navy-deep);color:#cdd9e5;font-size:13px}
.utility .container{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:40px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px}
.utility ul{display:flex;list-style:none;gap:22px;flex-wrap:wrap}
.utility li{display:inline-flex;align-items:center;gap:7px}
.utility svg{width:14px;height:14px;stroke:var(--amber);flex:none}
.utility strong{color:#fff;font-weight:600}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);box-shadow:0 2px 14px rgba(14,42,71,.05)}
.site-header .container{display:flex;align-items:center;gap:34px;min-height:76px}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{width:42px;height:42px;border-radius:10px;background:linear-gradient(135deg,var(--navy),var(--navy-2));display:grid;place-items:center;color:#fff;font-weight:900;font-size:15px;letter-spacing:-.5px;box-shadow:var(--shadow)}
.logo-mark span{color:var(--amber)}
.logo-txt b{display:block;font-size:17.5px;font-weight:900;color:var(--navy);letter-spacing:-.02em;line-height:1.1}
.logo-txt small{font-size:10.5px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.main-nav{display:flex;gap:4px;margin-left:auto}
.main-nav a{padding:10px 14px;border-radius:7px;font-size:15px;font-weight:600;color:var(--ink)}
.main-nav a:hover,.main-nav a.active{color:var(--orange-d);background:var(--bg-tint)}
.header-cta{display:flex;align-items:center;gap:14px;flex-shrink:0}
.header-cta .btn{padding:11px 22px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--navy);margin:5px 0;border-radius:2px}

/* ===== hero ===== */
.hero{position:relative;background:radial-gradient(1200px 500px at 80% -10%,#1d4569 0%,var(--navy) 55%,var(--navy-deep) 100%);color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:46px 46px;mask-image:linear-gradient(180deg,#000,transparent)}
.hero .container{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding-top:80px;padding-bottom:80px}
.hero h1{color:#fff;font-size:clamp(32px,4.4vw,52px);line-height:1.08;margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--amber)}
.hero p.lead{font-size:18px;color:#d7e2ec;margin-bottom:30px;max-width:560px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.hero-points{display:flex;gap:26px;flex-wrap:wrap}
.hero-points .hp{display:flex;align-items:center;gap:9px;font-size:14px;color:#cdd9e5}
.hero-points .tick{width:22px;height:22px;border-radius:50%;background:rgba(255,138,42,.18);display:grid;place-items:center;flex:none}
.hero-points .tick svg{width:12px;height:12px;stroke:var(--amber)}
.hero-visual{position:relative}
.hero-img{border-radius:18px;box-shadow:var(--shadow-lg);background:#fff;overflow:hidden;aspect-ratio:1/1}
.hero-img img{width:100%;height:100%;object-fit:contain;padding:30px}
.hero-badge{position:absolute;background:#fff;border-radius:12px;box-shadow:var(--shadow-lg);padding:12px 16px;display:flex;align-items:center;gap:11px}
.hero-badge.b1{left:-26px;bottom:34px}
.hero-badge.b2{right:-20px;top:30px}
.hero-badge .ic{width:38px;height:38px;border-radius:9px;background:var(--bg-tint);display:grid;place-items:center;flex:none}
.hero-badge .ic svg{width:20px;height:20px;stroke:var(--orange)}
.hero-badge b{display:block;font-size:14px;color:var(--navy);line-height:1.2}
.hero-badge small{font-size:12px;color:var(--muted)}

/* trust bar */
.trustbar{background:#fff;border-bottom:1px solid var(--line);padding:26px 0}
.trustbar .container{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;align-items:center}
.tstat{text-align:center}
.tstat b{display:block;font-size:26px;font-weight:900;color:var(--navy);line-height:1}
.tstat b i{font-style:normal;color:var(--orange)}
.tstat span{font-size:12.5px;color:var(--muted);letter-spacing:.02em}

/* category cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.cat-thumb{aspect-ratio:16/10;background:linear-gradient(135deg,#f7fafc,#e9f0f6);display:grid;place-items:center;padding:24px;position:relative;overflow:hidden}
.cat-thumb img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;transition:.3s}
.cat-card:hover .cat-thumb img{transform:scale(1.06)}
.cat-pill{position:absolute;top:12px;left:12px;background:var(--navy);color:#fff;font-size:11px;font-weight:700;padding:4px 10px;border-radius:20px;letter-spacing:.03em}
.cat-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.cat-body h3{font-size:17.5px}
.cat-body p{font-size:13.5px;color:var(--muted);flex:1}
.cat-meta{display:flex;gap:8px;flex-wrap:wrap;margin:4px 0 10px}
.chip{font-size:11.5px;font-weight:600;background:var(--bg-tint);color:var(--navy-2);padding:4px 10px;border-radius:20px}
.chip.w{background:#fff1e6;color:var(--orange-d)}
.cat-more{font-size:13.5px;font-weight:700;color:var(--orange-d);display:inline-flex;align-items:center;gap:6px}
.cat-more svg{width:14px;height:14px;stroke:currentColor;transition:.2s}
.cat-card:hover .cat-more svg{transform:translateX(4px)}

/* spotlight */
.spotlight{background:linear-gradient(135deg,var(--navy),var(--navy-deep));color:#fff;border-radius:20px;overflow:hidden}
.spot-grid{display:grid;grid-template-columns:1fr 1fr;gap:0}
.spot-media{min-height:340px;display:grid;grid-template-columns:1fr 1fr;gap:6px;background:rgba(255,255,255,.05);padding:6px}
.spot-media .ph-img{background:#fff;border-radius:12px;overflow:hidden;display:grid;place-items:center}
.spot-media .ph-img img{width:100%;height:100%;object-fit:contain;padding:14px;mix-blend-mode:multiply}
.spot-body{padding:52px 48px;display:flex;flex-direction:column;justify-content:center}
.spot-body .tag{color:var(--amber);font-size:12.5px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:12px}
.spot-body h3{color:#fff;font-size:28px;margin-bottom:14px}
.spot-body>p{color:#cdd9e5;margin-bottom:22px}
.spot-list{list-style:none;display:flex;flex-direction:column;gap:12px;margin-bottom:28px}
.spot-list li{display:flex;gap:11px;font-size:15px}
.spot-list .tick{width:22px;height:22px;border-radius:50%;background:rgba(255,138,42,.18);display:grid;place-items:center;flex:none;margin-top:2px}
.spot-list .tick svg{width:12px;height:12px;stroke:var(--amber)}
.spot-body .btn{align-self:flex-start}
.spotlight.alt .spot-grid{direction:rtl}
.spotlight.alt .spot-body{direction:ltr}
.spotlight.alt .spot-media{direction:ltr}

/* applications */
.app-card{position:relative;border-radius:var(--radius);overflow:hidden;min-height:230px;display:flex;align-items:flex-end;background:linear-gradient(160deg,var(--navy-2),var(--navy-deep));padding:22px;color:#fff;transition:.25s}
.app-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.app-card .app-ic{position:absolute;top:20px;right:20px;width:46px;height:46px;border-radius:11px;background:rgba(255,255,255,.12);display:grid;place-items:center}
.app-card .app-ic svg{width:24px;height:24px;stroke:var(--amber)}
.app-card h3{color:#fff;font-size:18px;margin-bottom:5px}
.app-card p{font-size:13px;color:#cdd9e5;line-height:1.5}
.app-card .cat-more{margin-top:10px;color:var(--amber)}

/* why */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.why-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:.25s}
.why-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.why-ic{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,#fff1e6,#ffe0c4);display:grid;place-items:center;margin-bottom:18px}
.why-ic svg{width:26px;height:26px;stroke:var(--orange-d)}
.why-card h3{font-size:17px;margin-bottom:9px}
.why-card p{font-size:14px;color:var(--muted)}

/* process */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;position:relative}
.step::before{counter-increment:step;content:"0" counter(step);position:absolute;top:22px;right:24px;font-size:30px;font-weight:900;color:var(--bg-tint);-webkit-text-stroke:1.5px #cdddee}
.step h3{font-size:17px;margin:0 0 8px}
.step p{font-size:14px;color:var(--muted)}
.step .s-ic{width:46px;height:46px;border-radius:11px;background:var(--navy);display:grid;place-items:center;margin-bottom:16px}
.step .s-ic svg{width:23px;height:23px;stroke:var(--amber)}

/* content cards */
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.post-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.post-thumb{aspect-ratio:16/9;background:linear-gradient(135deg,var(--navy),var(--navy-2));display:grid;place-items:center;color:var(--amber)}
.post-thumb svg{width:40px;height:40px;stroke:currentColor}
.post-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:9px;flex:1}
.post-tag{align-self:flex-start;font-size:11px;font-weight:700;color:var(--orange-d);background:#fff1e6;padding:4px 11px;border-radius:20px;text-transform:uppercase;letter-spacing:.05em}
.post-body h3{font-size:17px;line-height:1.35}
.post-body p{font-size:14px;color:var(--muted);flex:1}
.post-meta{font-size:12.5px;color:#9aa8b4}

/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--orange),var(--orange-d) 60%,#f07a1f);border-radius:20px;padding:56px;display:flex;align-items:center;justify-content:space-between;gap:36px;box-shadow:0 20px 50px rgba(232,93,0,.3);flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:8px}
.cta-band p{color:#fff3e8;font-size:16px}
.cta-band .btn{flex-shrink:0}

/* footer */
.site-footer{background:var(--navy-deep);color:#aebccc;padding:68px 0 0;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:44px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08)}
.site-footer .logo-txt b{color:#fff}
.site-footer .logo-mark{background:rgba(255,255,255,.08)}
.footer-about{margin:18px 0 20px;color:#8fa2b4;max-width:300px}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:18px;letter-spacing:.03em}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.footer-col a:hover{color:var(--amber)}
.footer-contact li{display:flex;gap:10px;margin-bottom:13px;line-height:1.5}
.footer-contact svg{width:17px;height:17px;stroke:var(--amber);flex:none;margin-top:3px}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;padding:22px 0;flex-wrap:wrap;font-size:13px;color:#7d91a4}
.footer-bottom ul{display:flex;gap:20px;list-style:none}

/* breadcrumb */
.breadcrumb{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.breadcrumb a:hover{color:var(--orange-d)}
.breadcrumb span{margin:0 8px;color:#c2ccd5}

/* page hero (inner pages) */
.page-hero{background:radial-gradient(900px 380px at 85% -20%,#1d4569,var(--navy) 60%,var(--navy-deep));color:#fff;padding:64px 0 58px;position:relative}
.page-hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(180deg,#000,transparent)}
.page-hero .container{position:relative}
.page-hero h1{color:#fff;font-size:clamp(28px,4vw,42px);margin-bottom:14px;max-width:820px}
.page-hero p{color:#cdd9e5;font-size:17px;max-width:720px}

/* catalog layout */
.catalog{display:grid;grid-template-columns:270px 1fr;gap:34px;align-items:start;padding:56px 0}
.filters{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:sticky;top:98px}
.filter-group{padding:18px 0;border-bottom:1px solid var(--line)}
.filter-group:first-child{padding-top:0}
.filter-group:last-child{border-bottom:0}
.filter-group h4{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--navy);margin-bottom:13px}
.filter-opt{display:flex;align-items:center;gap:9px;padding:5px 0;font-size:14px;color:var(--ink);cursor:pointer}
.filter-opt input{accent-color:var(--orange);width:15px;height:15px}
.filter-opt .n{margin-left:auto;font-size:12px;color:#9aa8b4}
.cat-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;gap:16px;flex-wrap:wrap}
.cat-toolbar .res{font-size:14px;color:var(--muted)}
.cat-toolbar .res b{color:var(--navy)}
.sortsel{padding:9px 14px;border:1px solid var(--line);border-radius:8px;font-size:14px;background:#fff;color:var(--ink)}
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.prod-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.prod-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:transparent}
.prod-thumb{aspect-ratio:1/1;background:#fafbfd;display:grid;place-items:center;padding:20px;position:relative}
.prod-thumb img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;transition:.3s}
.prod-card:hover .prod-thumb img{transform:scale(1.06)}
.prod-rank{position:absolute;top:11px;left:11px;font-size:10.5px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;padding:4px 9px;border-radius:6px}
.prod-rank.high{background:#fff1e6;color:var(--orange-d)}
.prod-rank.new{background:#e7f6ef;color:var(--ok)}
.prod-body{padding:17px 18px 20px;display:flex;flex-direction:column;gap:9px;flex:1}
.prod-body .code{font-size:11px;font-weight:700;letter-spacing:.08em;color:var(--orange-d)}
.prod-body h3{font-size:15px;line-height:1.35;min-height:40px}
.prod-specs{display:flex;gap:6px;flex-wrap:wrap}
.prod-body .cat-more{margin-top:auto;padding-top:6px}

/* product detail */
.pd-wrap{padding:48px 0 70px}
.pd-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:50px;align-items:start}
.pd-gallery .pd-main{background:#fff;border:1px solid var(--line);border-radius:14px;aspect-ratio:1/1;display:grid;place-items:center;padding:34px;margin-bottom:14px}
.pd-main img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.pd-thumbs{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
.pd-thumbs .t{aspect-ratio:1/1;border:1.5px solid var(--line);border-radius:9px;background:#fff;padding:6px;cursor:pointer;overflow:hidden}
.pd-thumbs .t img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.pd-thumbs .t.on{border-color:var(--orange)}
.pd-info .code{font-size:12.5px;font-weight:800;letter-spacing:.08em;color:var(--orange-d);text-transform:uppercase}
.pd-info h1{font-size:clamp(24px,3vw,33px);margin:8px 0 12px}
.pd-info .tagline{color:var(--muted);font-size:16px;margin-bottom:22px}
.pd-quick{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:24px}
.pd-quick .q{background:var(--bg-soft);border-radius:10px;padding:13px 15px}
.pd-quick .q small{display:block;font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:3px}
.pd-quick .q b{font-size:15px;color:var(--navy)}
.pd-cta{display:flex;gap:12px;margin-bottom:24px}
.pd-cta .btn{flex:1;justify-content:center}
.pd-assure{display:flex;gap:18px;flex-wrap:wrap;padding:16px 0;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.pd-assure span{display:inline-flex;align-items:center;gap:7px}
.pd-assure svg{width:15px;height:15px;stroke:var(--ok)}
.pd-section{margin-top:50px}
.pd-section h2{font-size:22px;margin-bottom:18px;padding-bottom:12px;border-bottom:2px solid var(--line)}
.spec-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.spec-table th,.spec-table td{padding:13px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line)}
.spec-table th{width:34%;background:var(--bg-soft);color:var(--navy);font-weight:700}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0}
.model-table{width:100%;border-collapse:collapse;font-size:13.5px;background:#fff;border:1px solid var(--line)}
.model-table th{background:var(--navy);color:#fff;padding:12px 14px;text-align:left;font-weight:700;white-space:nowrap}
.model-table td{padding:11px 14px;border-bottom:1px solid var(--line)}
.model-table tr:nth-child(even) td{background:#fafcfe}
.model-scroll{overflow-x:auto;border-radius:12px}
.pd-two{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.feats,.apps-list{list-style:none;display:flex;flex-direction:column;gap:12px}
.feats li,.apps-list li{display:flex;gap:11px;font-size:15px}
.feats .tick,.apps-list .tick{width:23px;height:23px;border-radius:50%;background:#e7f6ef;display:grid;place-items:center;flex:none;margin-top:1px}
.feats .tick svg,.apps-list .tick svg{width:12px;height:12px;stroke:var(--ok)}
.drawing{background:repeating-linear-gradient(45deg,#fff,#fff 12px,#f6f9fc 12px,#f6f9fc 24px);border:1px dashed #c3d0db;border-radius:12px;padding:46px;text-align:center;color:var(--muted)}
.drawing svg{width:44px;height:44px;stroke:#9fb2c2;margin-bottom:12px}
.rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:8px}

/* article */
.article-wrap{display:grid;grid-template-columns:1fr 280px;gap:48px;padding:50px 0 80px;align-items:start}
.article-body{font-size:16.5px;color:#2a3944}
.article-body h2{font-size:25px;margin:38px 0 14px}
.article-body h3{font-size:19px;margin:26px 0 10px}
.article-body p{margin-bottom:16px;color:#33454f}
.article-body ul{margin:0 0 16px 2px;list-style:none;display:flex;flex-direction:column;gap:9px}
.article-body ul li{display:flex;gap:10px}
.article-body ul li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--orange);flex:none;margin-top:9px}
.article-body .infobox{background:var(--bg-tint);border-left:4px solid var(--orange);border-radius:0 10px 10px 0;padding:20px 24px;margin:24px 0}
.article-fig{background:var(--bg-soft);border-radius:12px;padding:40px;text-align:center;color:var(--muted);margin:24px 0}
.article-fig svg{width:46px;height:46px;stroke:#9fb2c2;margin-bottom:10px}
.article-side{position:sticky;top:98px}
.side-box{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;margin-bottom:22px}
.side-box h4{font-size:15px;margin-bottom:14px}
.toc{list-style:none;display:flex;flex-direction:column;gap:10px;font-size:14px}
.toc a{color:var(--muted)}
.toc a:hover{color:var(--orange-d)}
.faq{border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-top:10px}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{padding:17px 20px;font-weight:700;color:var(--navy);cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;color:var(--orange);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq .ans{padding:0 20px 18px;color:var(--muted);font-size:14.5px}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:48px;padding:60px 0;align-items:start}
.contact-cards{display:flex;flex-direction:column;gap:16px}
.ccard{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 22px}
.ccard .ic{width:46px;height:46px;border-radius:11px;background:var(--bg-tint);display:grid;place-items:center;flex:none}
.ccard .ic svg{width:22px;height:22px;stroke:var(--orange-d)}
.ccard h3{font-size:16px;margin-bottom:4px}
.ccard p{font-size:14px;color:var(--muted)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:34px}
.form-card h2{font-size:24px;margin-bottom:6px}
.form-card .sub{color:var(--muted);font-size:14.5px;margin-bottom:24px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px;display:flex;flex-direction:column;gap:7px}
.field label{font-size:13.5px;font-weight:700;color:var(--navy)}
.field label em{color:var(--orange);font-style:normal}
.field input,.field select,.field textarea{padding:12px 14px;border:1.5px solid var(--line);border-radius:9px;font-size:14.5px;font-family:inherit;color:var(--ink);background:#fff;width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--orange)}
.field textarea{resize:vertical;min-height:110px}
.form-note{font-size:12.5px;color:#9aa8b4;margin:4px 0 18px}
.chips-check{display:flex;gap:8px;flex-wrap:wrap}
.chips-check label{border:1.5px solid var(--line);border-radius:22px;padding:7px 15px;font-size:13px;font-weight:600;cursor:pointer;color:var(--muted)}
.chips-check input{display:none}
.chips-check input:checked+span{color:var(--orange-d)}
.chips-check label:has(input:checked){border-color:var(--orange);background:#fff7f0;color:var(--orange-d)}

/* factory gallery */
.factory-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.factory-grid figure{border-radius:12px;overflow:hidden;box-shadow:var(--shadow);background:#fff}
.factory-grid img{width:100%;aspect-ratio:4/3;object-fit:cover}
.factory-grid figcaption{padding:12px 15px;font-size:13.5px;color:var(--muted);font-weight:600}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:10px}
.tl{border-left:3px solid var(--orange);padding:4px 0 4px 20px}
.tl b{display:block;font-size:26px;font-weight:900;color:var(--navy)}
.tl span{font-size:13.5px;color:var(--muted)}
.logos-row{display:flex;gap:40px;align-items:center;justify-content:center;flex-wrap:wrap;padding:30px}
.logos-row img{height:46px;width:auto;filter:grayscale(1);opacity:.75;transition:.25s}
.logos-row img:hover{filter:none;opacity:1}
.auth-note{font-size:12.5px;color:#9aa8b4;text-align:center;margin-top:-10px}

/* generic feature banner */
.banner-quote{background:var(--bg-tint);border-radius:16px;padding:44px 48px;text-align:center;max-width:900px;margin:0 auto}
.banner-quote p{font-size:clamp(19px,2.4vw,26px);font-weight:700;color:var(--navy);line-height:1.4}
.banner-quote p span{color:var(--orange-d)}

/* responsive */
@media (max-width:1080px){
  .grid-4,.why-grid,.process,.timeline{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .trustbar .container{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:900px){
  .hero .container{grid-template-columns:1fr;gap:44px}
  .hero-badge.b1{left:0}.hero-badge.b2{right:0}
  .spot-grid{grid-template-columns:1fr}
  .spotlight.alt .spot-grid{direction:ltr}
  .pd-grid,.pd-two,.article-wrap,.contact-grid,.catalog{grid-template-columns:1fr}
  .filters{position:static}
  .article-side{position:static}
  .main-nav{position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:14px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);display:none}
  .main-nav.open{display:flex}
  .nav-toggle{display:block;margin-left:auto}
  .header-cta .btn{padding:10px 16px}
}
@media (max-width:600px){
  .sec{padding:58px 0}
  .grid-3,.grid-4,.why-grid,.process,.prod-grid,.rel-grid,.timeline,.factory-grid,.pd-quick{grid-template-columns:1fr}
  .trustbar .container{grid-template-columns:repeat(2,1fr);gap:22px}
  .footer-grid{grid-template-columns:1fr}
  .frow{grid-template-columns:1fr}
  .spot-body{padding:36px 26px}
  .spot-media{min-height:200px}
  .cta-band{padding:38px 26px;text-align:center;justify-content:center}
  .hero .container{padding-top:56px;padding-bottom:56px}
  .utility .container{justify-content:center}
  .pd-cta{flex-direction:column}
}

/* ===== inner-page components (v2) ===== */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.post-img{position:relative;aspect-ratio:16/9;overflow:hidden;background:#fff}
.post-img img{width:100%;height:100%;object-fit:cover;transition:.35s}
.post-card:hover .post-img img{transform:scale(1.06)}
.post-cat{position:absolute;left:14px;top:14px;background:rgba(14,42,71,.92);color:#fff;font-size:11.5px;font-weight:700;letter-spacing:.04em;padding:5px 12px;border-radius:20px;text-transform:uppercase}
.post-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:9px;flex:1}
.post-body h3{font-size:17.5px;line-height:1.35;color:var(--navy)}
.post-body p{font-size:14px;color:var(--muted);line-height:1.6;flex:1}
.post-more{font-size:13.5px;font-weight:700;color:var(--orange-d)}
.faq-wrap{max-width:880px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px 26px}
.faq-title{text-align:center;font-size:27px;margin-bottom:26px}
.faq-wrap details{border-bottom:1px solid var(--line);padding:8px 0}
.faq-wrap details:last-child{border-bottom:0}
.faq-wrap summary{cursor:pointer;font-weight:700;color:var(--navy);font-size:16px;padding:12px 0;list-style:none;position:relative;padding-right:34px}
.faq-wrap summary::-webkit-details-marker{display:none}
.faq-wrap summary::after{content:"+";position:absolute;right:6px;top:10px;font-size:22px;color:var(--orange-d);font-weight:400;transition:.2s}
.faq-wrap details[open] summary::after{transform:rotate(45deg)}
.faq-wrap details p{color:var(--muted);font-size:14.5px;line-height:1.7;padding:0 0 14px}
.faq-wrap details a{color:var(--orange-d);font-weight:600}
.tag-badge{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:4px 11px;border-radius:20px;background:var(--bg-tint);color:var(--orange-d)}

/* article */
.article-hero{background:radial-gradient(900px 380px at 85% -20%,#1d4569,var(--navy) 60%,var(--navy-deep));color:#fff;padding:54px 0 46px}
.article-meta{color:#a9bfd2;font-size:13.5px;margin-top:14px}
.article-grid{display:grid;grid-template-columns:1fr 300px;gap:46px;align-items:start}
.article-body article{max-width:760px}
.article-body aside{position:sticky;top:110px;display:flex;flex-direction:column;gap:20px}
.article-toc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 24px}
.article-toc h4{font-size:13px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin-bottom:12px}
.article-toc ul{display:flex;flex-direction:column;gap:9px}
.article-toc a{font-size:14px;color:var(--ink);font-weight:600}
.article-toc a:hover{color:var(--orange-d)}
.article-help{background:var(--bg-soft);border-radius:14px;padding:24px}
.article-help h4{font-size:16px;color:var(--navy);margin-bottom:8px}
.article-help p{font-size:13.5px;color:var(--muted);line-height:1.6;margin-bottom:16px}
.banner-quote a{color:var(--orange-d);font-weight:700}

/* contact */
.contact-form-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px 36px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:110px}
.contact-info-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px 28px}
.contact-info-card h3{font-size:17px;color:var(--navy);margin-bottom:14px}
.contact-info-card ul{display:flex;flex-direction:column;gap:12px}
.contact-info-card li{display:flex;flex-direction:column;gap:2px;font-size:13.5px;color:var(--muted)}
.contact-info-card li b{font-size:13px;color:var(--navy)}
.contact-info-card li span{color:var(--ink);font-weight:600}

@media(max-width:900px){
  .post-grid{grid-template-columns:1fr 1fr}
  .article-grid{grid-template-columns:1fr}
  .article-body aside{position:static;order:-1}
  .article-toc{display:none}
}
@media(max-width:600px){
  .post-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr;gap:0}
  .contact-form-card{padding:24px 20px}
  .faq-wrap{padding:10px 18px}
  .banner-quote{padding:30px 22px}
}

.app-ic{width:54px;height:54px;border-radius:13px;background:linear-gradient(135deg,var(--navy),var(--navy-2));display:grid;place-items:center;margin-bottom:18px}
.app-ic svg{width:26px;height:26px;stroke:var(--amber);flex:none}

.article-hero h1{color:#fff;font-size:clamp(26px,3.6vw,38px);max-width:900px;line-height:1.2}
.article-hero .eyebrow{color:var(--orange)!important}