/* ===== Zhihua Moulds – Global Styles ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ---------- Reset & Base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;color:#cbd5e1;background:#0a1a2e;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:#3b82f6;text-decoration:none;transition:color .2s}
a:hover{color:#60a5fa}
img,svg{display:block;max-width:100%;height:auto}
ul{list-style:none}

/* ---------- Utility Bar ---------- */
.utility-bar{background:#060f1d;border-bottom:1px solid #1a2e4a;padding:6px 0;font-size:13px}
.utility-bar .container{display:flex;justify-content:flex-end;align-items:center;gap:24px;flex-wrap:wrap}
.utility-bar a{color:#94a3b8;display:flex;align-items:center;gap:6px}
.utility-bar a:hover{color:#f59e0b}
.lang-switch{background:linear-gradient(135deg,#3b82f6,#1d4ed8);color:#fff;border:none;padding:4px 14px;border-radius:14px;font-size:12px;font-weight:600;cursor:pointer;font-family:inherit;letter-spacing:.5px;transition:all .2s;box-shadow:0 2px 8px rgba(59,130,246,.3)}
.lang-switch::before{content:'🌐 ';margin-right:2px}
.lang-switch:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(59,130,246,.5);background:linear-gradient(135deg,#60a5fa,#3b82f6)}

/* ---------- Container ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- Header / Navbar ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(10,37,64,.95);backdrop-filter:blur(12px);border-bottom:1px solid #1a2e4a}
.navbar{display:flex;align-items:center;justify-content:space-between;height:72px}
.navbar .logo-link{display:flex;align-items:center;gap:12px}
.navbar .logo-link img{height:42px;width:auto}
.navbar .logo-text{color:#e2e8f0;font-size:18px;font-weight:700;letter-spacing:.5px}
.nav-links{display:flex;gap:32px;align-items:center}
.nav-links a{color:#94a3b8;font-weight:500;font-size:15px;padding:8px 0;position:relative}
.nav-links a::after{content:'';position:absolute;left:0;bottom:0;width:0;height:2px;background:#f59e0b;transition:width .3s}
.nav-links a:hover,.nav-links a.active{color:#e2e8f0}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.btn-quote{display:inline-flex;align-items:center;gap:6px;background:linear-gradient(135deg,#b45309,#92400e);color:#ffffff;font-weight:700;font-size:14px;padding:10px 22px;border-radius:8px;border:none;cursor:pointer;transition:transform .2s,box-shadow .2s}
.btn-quote:hover{transform:translateY(-2px);box-shadow:0 6px 24px rgba(180,83,9,.35);color:#ffffff;background:linear-gradient(135deg,#92400e,#78350f)}

/* Hamburger */
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:8px}
.hamburger span{display:block;width:26px;height:2px;background:#e2e8f0;border-radius:2px;transition:all .3s}
.hamburger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* Mobile Nav */
@media(max-width:900px){
  .nav-links{position:fixed;top:0;right:-100%;width:280px;height:100vh;background:#0a2540;flex-direction:column;padding:100px 32px 32px;gap:0;transition:right .35s;z-index:99;box-shadow:-4px 0 24px rgba(0,0,0,.5)}
  .nav-links.open{right:0}
  .nav-links a{padding:16px 0;font-size:17px;border-bottom:1px solid #1a2e4a}
  .hamburger{display:flex;z-index:101}
  .btn-quote{margin-top:24px;width:100%;justify-content:center}
}

/* Sidebar Overlay */
.sidebar-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:98;opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s}
.sidebar-overlay.open{opacity:1;visibility:visible}
body.no-scroll{overflow:hidden}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:600px;display:flex;align-items:center;overflow:hidden;background:linear-gradient(135deg,#0a2540 0%,#1e3a8a 45%,#0891b2 100%)}
.hero-bg{position:absolute;inset:0;z-index:0;opacity:0.55}
.hero-bg svg{width:100%;height:100%;object-fit:cover}
/* Photo-based hero background (progressive enhancement over SVG fallback) */
.hero-photo-bg{position:absolute;inset:0;z-index:0}
.hero-photo-bg img{width:100%;height:100%;object-fit:cover;opacity:0.85}
.hero-overlay{position:absolute;inset:0;background:radial-gradient(ellipse at top right,rgba(245,158,11,0.25) 0%,transparent 50%),radial-gradient(ellipse at bottom left,rgba(14,165,233,0.4) 0%,transparent 55%),linear-gradient(135deg,rgba(10,37,64,.75) 0%,rgba(30,58,138,.45) 60%,rgba(8,145,178,.25) 100%);z-index:1}
.hero-glow{position:absolute;top:-100px;right:-100px;width:500px;height:500px;background:radial-gradient(circle,rgba(245,158,11,0.35) 0%,rgba(245,158,11,0.05) 40%,transparent 70%);z-index:1;pointer-events:none;animation:heroGlow 6s ease-in-out infinite alternate}
@keyframes heroGlow{0%{transform:scale(1) translate(0,0);opacity:.8}100%{transform:scale(1.15) translate(-20px,30px);opacity:1}}
.hero-content{position:relative;z-index:3;max-width:720px}
.hero h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800;color:#f8fafc;line-height:1.2;margin-bottom:20px;text-shadow:0 2px 24px rgba(0,0,0,0.35),0 0 60px rgba(96,165,250,0.15)}
.hero h1 span{color:#fbbf24;text-shadow:0 2px 18px rgba(251,191,36,0.4)}
.hero p{font-size:18px;color:#e0e7ff;margin-bottom:32px;max-width:560px;text-shadow:0 1px 8px rgba(0,0,0,0.4)}
.hero-buttons{display:flex;gap:16px;flex-wrap:wrap}
.hero-decor{position:absolute;right:5%;top:50%;transform:translateY(-50%);width:280px;height:340px;z-index:2;opacity:.55;pointer-events:none;filter:drop-shadow(0 0 24px rgba(96,165,250,0.4))}
.hero-decor svg{width:100%;height:100%;animation:decorFloat 5s ease-in-out infinite alternate}
@keyframes decorFloat{0%{transform:translateY(0)}100%{transform:translateY(-12px)}}
@media(max-width:1100px){.hero-decor{display:none}}
.btn-primary{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,#fbbf24,#f59e0b);color:#0a1a2e;font-weight:700;padding:14px 32px;border-radius:8px;font-size:16px;border:none;cursor:pointer;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 16px rgba(245,158,11,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(245,158,11,.5);color:#0a1a2e}
.btn-secondary{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,0.08);backdrop-filter:blur(8px);color:#ffffff;font-weight:600;padding:14px 32px;border-radius:8px;font-size:16px;border:2px solid #60a5fa;cursor:pointer;transition:all .2s}
.btn-secondary:hover{background:#3b82f6;color:#fff;border-color:#3b82f6}

/* ---------- Stat Block ---------- */
.stats-section{padding:80px 0;background:#081428;border-top:1px solid #1a2e4a;border-bottom:1px solid #1a2e4a}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;text-align:center}
.stat-card{padding:24px}
.stat-number{font-size:clamp(2rem,4vw,3rem);font-weight:800;color:#f59e0b;line-height:1.1}
.stat-label{font-size:14px;color:#94a3b8;margin-top:8px;text-transform:uppercase;letter-spacing:1px}
@media(max-width:768px){.stats-grid{grid-template-columns:repeat(2,1fr);gap:20px}}

/* ---------- Section Titles ---------- */
.section{padding:80px 0}
.section-title{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;color:#f8fafc;margin-bottom:12px}
.section-title span{color:#f59e0b}
.section-subtitle{font-size:16px;color:#94a3b8;max-width:640px;margin-bottom:48px}

/* ---------- Product Category Grid ---------- */
.products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.product-card{background:#0f2742;border:1px solid #1a2e4a;border-radius:12px;overflow:hidden;transition:transform .3s,box-shadow .3s}
.product-card:hover{transform:translateY(-6px);box-shadow:0 12px 36px rgba(0,0,0,.4)}
.product-card img,.product-card svg{width:100%;aspect-ratio:4/3;object-fit:cover}
.product-card-body{padding:20px}
.product-card h3{font-size:16px;font-weight:700;color:#e2e8f0;margin-bottom:6px}
.product-card p{font-size:13px;color:#64748b}
@media(max-width:1024px){.products-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.products-grid{grid-template-columns:1fr}}

/* ---------- Why Choose Us ---------- */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.why-card{background:#0f2742;border:1px solid #1a2e4a;border-radius:12px;padding:32px 28px;transition:transform .3s,border-color .3s}
.why-card:hover{transform:translateY(-4px);border-color:#f59e0b}
.why-icon{width:48px;height:48px;background:linear-gradient(135deg,#f59e0b22,#3b82f622);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px}
.why-card h3{font-size:17px;font-weight:700;color:#e2e8f0;margin-bottom:8px}
.why-card p{font-size:14px;color:#94a3b8;line-height:1.6}
@media(max-width:900px){.why-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.why-grid{grid-template-columns:1fr}}

/* ---------- Industries ---------- */
.industries-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.industry-chip{background:#0f2742;border:1px solid #1a2e4a;border-radius:10px;padding:28px 20px;text-align:center;transition:transform .3s,border-color .3s}
.industry-chip:hover{transform:translateY(-4px);border-color:#3b82f6}
.industry-chip .icon{font-size:32px;margin-bottom:12px}
.industry-chip h4{font-size:14px;font-weight:600;color:#e2e8f0}
@media(max-width:900px){.industries-strip{grid-template-columns:repeat(3,1fr)}}
@media(max-width:560px){.industries-strip{grid-template-columns:repeat(2,1fr)}}

/* ---------- CTA Banner ---------- */
.cta-banner{background:linear-gradient(135deg,#0a2540,#1f2937);border-top:1px solid #1a2e4a;border-bottom:1px solid #1a2e4a;padding:80px 0;text-align:center}
.cta-banner h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:800;color:#f8fafc;margin-bottom:16px}
.cta-banner p{font-size:17px;color:#94a3b8;margin-bottom:32px;max-width:560px;margin-left:auto;margin-right:auto}

/* ---------- Footer ---------- */
.site-footer{background:#060f1d;border-top:1px solid #1a2e4a;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px}
.footer-col h4{font-size:15px;font-weight:700;color:#e2e8f0;margin-bottom:16px;text-transform:uppercase;letter-spacing:1px}
.footer-col p,.footer-col a{font-size:14px;color:#64748b;line-height:1.8;display:block}
.footer-col a:hover{color:#f59e0b}
.footer-bottom{margin-top:48px;padding:24px 0;border-top:1px solid #1a2e4a;text-align:center;font-size:13px;color:#475569}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr}}

/* ---------- About Page ---------- */
.about-hero{padding:60px 0 40px;text-align:center}
.about-hero h1{font-size:clamp(2rem,4vw,2.8rem);font-weight:800;color:#f8fafc;margin-bottom:12px}
.about-content{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:start}
.about-text h2{font-size:22px;font-weight:700;color:#f8fafc;margin-bottom:16px}
.about-text p{font-size:15px;color:#94a3b8;margin-bottom:16px;line-height:1.8}
.about-illustration{border-radius:12px;overflow:hidden;border:1px solid #1a2e4a}
@media(max-width:900px){.about-content{grid-template-columns:1fr}}

/* Timeline */
.timeline{position:relative;padding-left:32px}
.timeline::before{content:'';position:absolute;left:10px;top:0;bottom:0;width:2px;background:#1a2e4a}
.timeline-item{position:relative;margin-bottom:32px}
.timeline-item::before{content:'';position:absolute;left:-26px;top:6px;width:12px;height:12px;border-radius:50%;background:#f59e0b;border:2px solid #0a1a2e}
.timeline-item h4{font-size:15px;font-weight:700;color:#e2e8f0}
.timeline-item p{font-size:14px;color:#94a3b8}

/* ---------- Products Page ---------- */
/* Product Category Navigation */
.products-nav{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.products-nav-item{padding:8px 16px;background:#1a2e4a;border-radius:6px;color:#94a3b8;font-size:13px;font-weight:500;transition:all .2s;text-align:center;text-decoration:none;min-width:120px;display:inline-flex;align-items:center;justify-content:center}
.products-nav-item:hover{background:#f59e0b;color:#0a1a2e;transform:translateY(-2px);box-shadow:0 4px 12px rgba(245,158,11,.3)}
.products-nav-item:focus{outline:2px solid #3b82f6;outline-offset:2px}
@media(max-width:768px){
  .products-nav{gap:8px}
  .products-nav-item{padding:10px 12px;font-size:12px;min-width:90px}
}

.product-section{padding:60px 0 40px;border-bottom:1px solid #1a2e4a}
.product-section:first-of-type{padding-top:80px}
.product-section h2{font-size:clamp(1.4rem,2.5vw,1.8rem);font-weight:800;color:#f8fafc;margin-bottom:8px}
.product-section .section-subtitle{margin-bottom:32px}
.product-items{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.product-item{background:#0f2742;border:1px solid #1a2e4a;border-radius:10px;overflow:hidden;transition:transform .3s,box-shadow .3s}
.product-item:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.4)}
.product-item img,.product-item svg{width:100%;aspect-ratio:4/3;object-fit:cover}
.product-item-body{padding:16px}
.product-item h3{font-size:15px;font-weight:700;color:#e2e8f0;margin-bottom:4px}
.product-item p{font-size:13px;color:#64748b}
@media(max-width:1024px){.product-items{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.product-items{grid-template-columns:1fr}}

/* ---------- Industries Page ---------- */
.industry-detail{padding:60px 0;border-bottom:1px solid #1a2e4a}
.industry-detail:first-of-type{padding-top:80px}
.industry-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.industry-detail:nth-child(even) .industry-detail-grid{direction:rtl}
.industry-detail:nth-child(even) .industry-detail-grid > *{direction:ltr}
.industry-detail h2{font-size:clamp(1.4rem,2.5vw,1.8rem);font-weight:800;color:#f8fafc;margin-bottom:12px}
.industry-detail p{font-size:15px;color:#94a3b8;line-height:1.8;margin-bottom:16px}
.industry-detail ul{padding-left:20px}
.industry-detail li{font-size:14px;color:#94a3b8;margin-bottom:8px;list-style:disc}
@media(max-width:900px){
  .industry-detail-grid{grid-template-columns:1fr}
  .industry-detail:nth-child(even) .industry-detail-grid{direction:ltr}
}

/* ---------- Contact Page ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:48px;padding:80px 0}
.contact-info h2{font-size:24px;font-weight:800;color:#f8fafc;margin-bottom:20px}
.contact-item{display:flex;gap:16px;margin-bottom:24px;align-items:flex-start}
.contact-item .ci-icon{width:44px;height:44px;background:linear-gradient(135deg,#f59e0b22,#3b82f622);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.contact-item h4{font-size:14px;font-weight:700;color:#e2e8f0;margin-bottom:2px}
.contact-item p,.contact-item a{font-size:14px;color:#94a3b8}
.contact-item a:hover{color:#f59e0b}
.map-container{width:100%;border-radius:12px;overflow:hidden;border:1px solid #1a2e4a;margin-top:24px}.map-container iframe{width:100%;height:400px;display:block;border:0}@media(min-width:768px){.map-container iframe{height:450px}}

/* Form */
.inquiry-form{background:#0f2742;border:1px solid #1a2e4a;border-radius:12px;padding:36px}
.inquiry-form h2{font-size:22px;font-weight:800;color:#f8fafc;margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:13px;font-weight:600;color:#94a3b8;margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}
.form-group input,.form-group select,.form-group textarea{width:100%;background:#081428;border:1px solid #1a2e4a;border-radius:8px;padding:12px 16px;color:#e2e8f0;font-size:15px;font-family:inherit;transition:border-color .2s}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:#3b82f6}
.form-group textarea{resize:vertical;min-height:120px}
.form-group .error-msg{color:#ef4444;font-size:12px;margin-top:4px;display:none}
.form-group.has-error input,.form-group.has-error select,.form-group.has-error textarea{border-color:#ef4444}
.form-group.has-error .error-msg{display:block}
.form-message{padding:16px 20px;border-radius:8px;margin-bottom:20px;font-weight:500;animation:fadeSlideIn .3s ease}
.form-success{background:rgba(34,197,94,0.15);border:1px solid #22c55e;color:#4ade80}
.form-error{background:rgba(239,68,68,0.15);border:1px solid #ef4444;color:#fca5a5}
@keyframes fadeSlideIn{0%{opacity:0;transform:translateY(-10px)}100%{opacity:1;transform:translateY(0)}}
@media(max-width:768px){
  .contact-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
}

/* ---------- Scroll Animation ---------- */
.fade-in{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* ---------- Utility ---------- */
.text-center{text-align:center}
.mt-40{margin-top:40px}
.mb-24{margin-bottom:24px}

/* ---------- Facility Gallery ---------- */
.facility-section{padding:80px 0;background:#081428}
.facility-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.facility-card{position:relative;border-radius:10px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.35);cursor:pointer;transition:transform .3s ease,box-shadow .3s ease}
.facility-card:hover{transform:translateY(-5px);box-shadow:0 12px 36px rgba(0,0,0,.5)}
.facility-card img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;transition:transform .4s ease}
.facility-card:hover img{transform:scale(1.04)}
.facility-card-label{position:absolute;bottom:0;left:0;right:0;padding:12px 16px;background:linear-gradient(transparent,rgba(0,0,0,.7));color:#e2e8f0;font-size:13px;font-weight:600;letter-spacing:.3px}
@media(max-width:1024px){.facility-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.facility-grid{grid-template-columns:1fr}}

/* ---------- Certifications Wall ---------- */
.certs-section{padding:80px 0}
.certs-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.cert-card{background:#0f2742;border:1px solid #1a2e4a;border-radius:10px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.3);transition:transform .3s ease,box-shadow .3s ease}
.cert-card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(0,0,0,.45)}
.cert-card img{width:100%;height:auto;object-fit:contain;display:block;background:#f8fafc;padding:8px}
.cert-card-body{padding:16px;border-top:1px solid #1a2e4a}
.cert-card-body h4{font-size:14px;font-weight:700;color:#e2e8f0;margin-bottom:2px}
.cert-card-body p{font-size:12px;color:#64748b}
@media(max-width:1024px){.certs-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.certs-grid{grid-template-columns:1fr}}

/* ---------- Lightbox ---------- */
.lightbox{position:fixed;inset:0;z-index:1000;background:rgba(0,0,0,.92);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.lightbox.open{opacity:1;visibility:visible}
.lightbox img{max-width:90vw;max-height:85vh;border-radius:6px;box-shadow:0 8px 48px rgba(0,0,0,.6);object-fit:contain}
.lightbox-close{position:absolute;top:20px;right:24px;width:44px;height:44px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);border-radius:50%;color:#fff;font-size:22px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}
.lightbox-close:hover{background:rgba(255,255,255,.2)}
.lightbox-arrow{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:48px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:50%;color:#fff;font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}
.lightbox-arrow:hover{background:rgba(255,255,255,.18)}
.lightbox-prev{left:20px}
.lightbox-next{right:20px}

/* ---------- Footer Trust Badge ---------- */
.footer-trust{display:flex;align-items:center;justify-content:center;gap:32px;padding:20px 0;border-top:1px solid #1a2e4a;margin-top:32px;flex-wrap:wrap}
.footer-trust-item{display:flex;align-items:center;gap:8px;font-size:13px;color:#94a3b8}
.footer-trust-item .trust-num{font-size:20px;font-weight:800;color:#f59e0b}
.footer-trust-item .trust-label{font-size:12px;text-transform:uppercase;letter-spacing:.5px;line-height:1.3}

/* ---------- WhatsApp Float ---------- */
.whatsapp-float{position:fixed;bottom:24px;right:24px;z-index:90;width:60px;height:60px;background:#25d366;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:30px;box-shadow:0 4px 16px rgba(37,211,102,.4);transition:transform .2s}
.whatsapp-float:hover{transform:scale(1.1)}
@media(max-width:560px){.whatsapp-float{width:52px;height:52px;font-size:26px;bottom:16px;right:16px}}

/* ---------- Industry Related Products ---------- */
.industry-related-products{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:24px;padding-top:16px;border-top:1px solid #1a2e4a;font-size:13px}
.industry-related-label{color:#64748b;font-weight:600;text-transform:uppercase;letter-spacing:.5px}
.industry-related-products a{color:#3b82f6;text-decoration:none;transition:color .2s}
.industry-related-products a:hover{color:#f59e0b;text-decoration:underline}
.industry-related-products span{color:#475569}


/* ========== FAQ Styles ========== */

/* FAQ 折叠区块 - 配色与 products.html 暗色背景一致 */
.faq-section .section-title,
.faq-section .section-subtitle {
  color: #ffffff;
  text-align: center;
}
.faq-section .section-subtitle {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 3rem;
}

.faq-accordion {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.faq-item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(120, 200, 255, 0.3);
}

.faq-question {
  font-size: 1.1rem;
  font-weight: 600;
  color: #ffffff;
  margin: 0 0 0.6rem 0;
  position: relative;
  padding-right: 2rem;
}
.faq-question::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  font-size: 1.4rem;
  color: #78c8ff;
  transition: transform 0.3s ease;
}
.faq-item.open .faq-question::after {
  content: "−";
}

.faq-answer {
  font-size: 0.95rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

/* 默认折叠版本（可选 - 需要配合 JS） */
.faq-accordion.collapsible .faq-answer {
  display: none;
}
.faq-accordion.collapsible .faq-item.open .faq-answer {
  display: block;
}

@media (max-width: 640px) {
  .faq-item { padding: 1rem 1.2rem; }
  .faq-question { font-size: 1rem; }
  .faq-answer { font-size: 0.9rem; }
}