/* ============================================
   Mingye Glass —Redesigned Premium Style
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Noto+Sans+SC:wght@300;400;500;600;700&display=swap');

:root {
  --primary: #0a1f3f;
  --primary-light: #132d5e;
  --primary-dark: #060f24;
  --accent: #c8a45c;
  --accent-light: #dfc384;
  --accent-dark: #a07e38;
  --white: #ffffff;
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --bg-warm: #faf8f5;
  --bg-dark: #070d17;
  --text: #1a1a2e;
  --text-light: #5a6270;
  --text-lighter: #8e96a4;
  --border: #e8ecf1;
  --border-light: #f0f2f5;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,.06);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.08);
  --shadow-xl: 0 20px 60px rgba(0,0,0,.1);
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --font-en: 'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --font-zh: 'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --max-w: 1200px;
  --header-h: 76px;
  --transition: .35s cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{
  font-family:var(--font-en);
  font-size:16px;line-height:1.7;
  color:var(--text);background:var(--bg);
  overflow-x:hidden
}
h1,h2,h3,h4,h5,h6{font-family:var(--font-en);font-weight:700;line-height:1.2;color:var(--primary)}
h1{font-size:clamp(2.2rem,5vw,3.8rem)}
h2{font-size:clamp(1.6rem,3.5vw,2.6rem)}
h3{font-size:clamp(1.15rem,2vw,1.45rem)}
p{color:var(--text-light);margin-bottom:1rem;line-height:1.8}
a{color:var(--primary);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto;display:block}
.container{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 24px}
.section{padding:100px 0}
.section-title{text-align:center;margin-bottom:8px}
.section-subtitle{text-align:center;color:var(--text-light);max-width:560px;margin:0 auto 60px;font-size:1.05rem}
.section-line{width:48px;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent-dark));margin:16px auto 0;border-radius:2px;height:3px}

/* ─── Buttons ─── */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 32px;border-radius:50px;font-size:.95rem;font-weight:600;
  cursor:pointer;transition:all var(--transition);text-decoration:none;border:none;font-family:var(--font-en)
}
.btn-primary{background:var(--primary);color:var(--white)}
.btn-primary:hover{background:var(--primary-light);color:var(--white);transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-accent{background:var(--accent);color:var(--white)}
.btn-accent:hover{background:var(--accent-dark);color:var(--white);transform:translateY(-2px);box-shadow:0 8px 25px rgba(200,164,92,.35)}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.btn-outline:hover{background:var(--primary);color:var(--white);transform:translateY(-2px)}
.btn-lg{padding:16px 40px;font-size:1.05rem}

/* ─── Header ─── */
.header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(232,236,241,.5);height:var(--header-h);transition:all var(--transition)
}
.header .container{display:flex;align-items:center;justify-content:space-between;height:100%}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.4rem;color:var(--primary);text-decoration:none}
.logo-icon{width:38px;height:38px;background:linear-gradient(135deg,var(--primary),var(--primary-light));border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--white);font-size:.95rem;font-weight:700}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text span{font-size:.6rem;font-weight:500;color:var(--text-lighter);letter-spacing:.8px;text-transform:uppercase}
.nav{display:flex;align-items:center;gap:32px;margin-left:auto}
.nav-link{position:relative;font-size:.88rem;font-weight:500;color:var(--text-light);padding:6px 0;text-decoration:none;transition:color var(--transition)}
.nav-link::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--accent);transition:width var(--transition);border-radius:2px}
.nav-link:hover,.nav-link.active{color:var(--primary)}
.nav-link:hover::after,.nav-link.active::after{width:100%}
.lang-switch{display:flex;align-items:center;gap:4px;margin-left:24px;padding-left:24px;border-left:1px solid var(--border)}
.lang-switch a{font-size:.82rem;font-weight:500;color:var(--text-lighter);padding:4px 8px;border-radius:6px;transition:all var(--transition)}
.lang-switch a:hover,.lang-switch a.active{color:var(--primary);background:var(--bg-alt)}
.lang-switch .sep{color:var(--border);font-size:.75rem}
.menu-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}
.menu-toggle span{display:block;width:22px;height:2px;background:var(--primary);border-radius:2px;transition:all var(--transition)}

/* ─── Hero ─── */
.hero{
  min-height:100vh;display:flex;align-items:center;padding-top:var(--header-h);
  background:linear-gradient(165deg,#f5f7fa 0%,#eef1f5 40%,#e8ecf1 100%);
  position:relative;overflow:hidden
}
.hero::before{content:'';position:absolute;top:-40%;right:-15%;width:700px;height:700px;background:radial-gradient(circle,rgba(200,164,92,.07) 0%,transparent 70%);border-radius:50%;pointer-events:none}
.hero::after{content:'';position:absolute;bottom:-20%;left:-10%;width:500px;height:500px;background:radial-gradient(circle,rgba(10,31,63,.04) 0%,transparent 70%);border-radius:50%;pointer-events:none}
.hero .container{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;position:relative;z-index:1}
.hero-content{max-width:560px}
.hero-badge{display:inline-block;padding:6px 16px;background:rgba(200,164,92,.1);color:var(--accent-dark);font-size:.78rem;font-weight:600;border-radius:50px;letter-spacing:.3px;margin-bottom:20px}
.hero-title{font-size:clamp(2rem,4.5vw,3.4rem);font-weight:800;color:var(--primary);margin-bottom:16px;line-height:1.1}
.hero-title .highlight{background:linear-gradient(135deg,var(--accent),var(--accent-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-text{font-size:1.1rem;color:var(--text-light);margin-bottom:32px;max-width:480px;line-height:1.8}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-image{display:flex;align-items:center;justify-content:center}
.hero-img-placeholder{width:100%;max-width:520px;aspect-ratio:4/3;background:linear-gradient(145deg,#fff,#e8ecf1);border-radius:var(--radius-xl);display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-lighter);box-shadow:var(--shadow-xl);position:relative;overflow:hidden}
.hero-img-placeholder .icon{font-size:4rem;margin-bottom:12px;opacity:.3}
.hero-img-placeholder .label{opacity:.4;font-size:.85rem;letter-spacing:.5px}

/* ─── Stats ─── */
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:48px;padding-top:32px;border-top:1px solid var(--border)}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:48px;padding-top:32px;border-top:1px solid var(--border)}
.stat-item{text-align:center}
.stat-number{font-size:2rem;font-weight:800;color:var(--primary);line-height:1;margin-bottom:4px}
.stat-label{font-size:.85rem;color:var(--text-light)}

/* ─── Features ─── */
.features{background:var(--bg-warm)}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{
  background:var(--white);border-radius:var(--radius-lg);padding:40px 32px;
  border:1px solid var(--border-light);transition:all var(--transition);
  position:relative;overflow:hidden
}
.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent-light));opacity:0;transition:opacity var(--transition)}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.feature-card:hover::before{opacity:1}
.feature-icon{width:52px;height:52px;margin-bottom:20px;background:linear-gradient(135deg,var(--primary),var(--primary-light));border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:var(--white);transition:transform var(--transition)}
.feature-card:hover .feature-icon{transform:scale(1.05)}
.feature-title{font-size:1.05rem;margin-bottom:8px}
.feature-text{font-size:.9rem;color:var(--text-light);line-height:1.7;margin-bottom:0}

/* ─── Products ─── */
.products-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.product-card{
  background:var(--white);border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border-light);transition:all var(--transition);
  cursor:default
}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.product-card-img{width:100%;aspect-ratio:1;background:linear-gradient(145deg,var(--bg-alt),var(--border-light));display:flex;align-items:center;justify-content:center;font-size:2.5rem;position:relative;transition:background var(--transition)}
.product-card:hover .product-card-img{background:linear-gradient(145deg,var(--bg-alt),var(--accent-light))}
.product-card-img .glass-icon{opacity:.3;transition:opacity var(--transition)}.product-card:hover .glass-icon{opacity:.5}
.product-card-body{padding:20px 24px 24px}
.product-card-title{font-size:1rem;font-weight:600;margin-bottom:6px;color:var(--primary)}
.product-card-text{font-size:.85rem;color:var(--text-light);margin-bottom:0;line-height:1.6}
.product-card-link{display:inline-flex;align-items:center;gap:4px;margin-top:10px;font-size:.82rem;font-weight:600;color:var(--accent);transition:gap var(--transition)}.product-card-link:hover{gap:8px}

/* ─── About ─── */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.about-img-placeholder{width:100%;aspect-ratio:4/3;background:linear-gradient(145deg,var(--bg-alt),var(--border-light));border-radius:var(--radius-xl);display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-lighter);box-shadow:var(--shadow-xl);position:relative;overflow:hidden}
.about-content h2{margin-bottom:16px}
.about-content p{margin-bottom:12px}
.about-features{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}
.about-feature-item{display:flex;align-items:center;gap:10px;font-size:.92rem;color:var(--text);padding:8px 0}
.about-feature-item .check{width:20px;height:20px;background:var(--accent);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--white);font-size:.6rem;flex-shrink:0}

/* ─── Page Header ─── */
.page-header{
  padding:calc(var(--header-h) + 100px) 0 60px;
  background:linear-gradient(165deg,var(--primary-dark),var(--primary));
  text-align:center;position:relative;overflow:hidden
}
.page-header h1{color:var(--white);margin-bottom:8px}
.page-header p{color:rgba(255,255,255,.65);max-width:560px;margin:0 auto}
.breadcrumb{display:flex;justify-content:center;gap:8px;margin-bottom:16px;font-size:.85rem}
.breadcrumb a{color:rgba(255,255,255,.5)}
.breadcrumb a:hover{color:var(--accent-light)}
.breadcrumb .sep{color:rgba(255,255,255,.2)}
.breadcrumb .current{color:var(--accent-light)}

/* ─── Product Categories ─── */
.product-categories{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:60px}
.cat-card{background:var(--white);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-light);transition:all var(--transition)}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.cat-card-img{height:200px;background:linear-gradient(145deg,var(--bg-alt),var(--border-light));display:flex;align-items:center;justify-content:center;font-size:3rem}
.cat-card-body{padding:28px}
.cat-card-body h3{font-size:1.1rem;margin-bottom:8px}
.cat-card-body p{font-size:.88rem;color:var(--text-light);margin-bottom:16px}
.spec-tag{display:inline-block;padding:4px 12px;background:var(--bg-alt);border:1px solid var(--border);border-radius:50px;font-size:.72rem;color:var(--text-light);margin:0 4px 6px 0}

/* ─── Process ─── */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.process-step{text-align:center;position:relative}
.process-step:not(:last-child)::after{content:'—;position:absolute;top:28px;right:-18px;color:var(--border);font-size:1.3rem}
.step-num{width:56px;height:56px;margin:0 auto 20px;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:var(--white);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:700}
.process-step h4{font-size:1rem;margin-bottom:6px}
.process-step p{font-size:.85rem;color:var(--text-light);margin-bottom:0}

/* ─── Contact ─── */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-info-card{padding:40px;background:var(--bg-alt);border-radius:var(--radius-lg);border:1px solid var(--border-light)}
.contact-form{padding:40px;background:var(--white);border-radius:var(--radius-lg);border:1px solid var(--border-light)}
.contact-info-card h3,.contact-form h3{margin-bottom:24px}
.contact-item{display:flex;gap:16px;margin-bottom:24px}
.contact-item:last-child{margin-bottom:0}
.contact-icon{width:44px;height:44px;background:var(--primary);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--white);font-size:1rem;flex-shrink:0}
.contact-label{font-size:.78rem;color:var(--text-lighter);text-transform:uppercase;letter-spacing:.5px;margin-bottom:2px}
.contact-value{font-size:.95rem;color:var(--text);font-weight:500}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:.88rem;font-weight:500;margin-bottom:6px;color:var(--text)}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 16px;font-family:var(--font-en);font-size:.92rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);transition:border var(--transition),box-shadow var(--transition);color:var(--text)}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(200,164,92,.1)}
.form-group textarea{min-height:120px;resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}

/* ─── Footer ─── */
.footer{background:var(--bg-dark);color:rgba(255,255,255,.6);padding:80px 0 32px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:60px;margin-bottom:48px}
.footer-brand .logo{color:var(--white);margin-bottom:16px;margin-top:-6px}
.footer-brand .logo span{color:rgba(255,255,255,.4)}
.footer-brand p{font-size:.88rem;color:rgba(255,255,255,.45);max-width:320px;line-height:1.7}
.footer h4{color:var(--white);margin-bottom:20px;font-size:.95rem}
.footer-links li{margin-bottom:10px}
.footer-links a{color:rgba(255,255,255,.45);font-size:.85rem;transition:color var(--transition)}
.footer-links a:hover{color:var(--accent-light)}
.footer-social{display:flex;gap:12px;margin-top:20px}
.footer-social a{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.4);transition:all var(--transition);text-decoration:none;font-size:.85rem}
.footer-social a:hover{background:var(--accent);color:var(--white);transform:translateY(-2px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.footer-bottom p{font-size:.8rem;color:rgba(255,255,255,.3);margin-bottom:0}

/* ─── WhatsApp Float ─── */
.whatsapp-float{position:fixed;bottom:28px;right:28px;z-index:999;width:54px;height:54px;background:#25D366;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--white);font-size:1.5rem;box-shadow:0 4px 20px rgba(37,211,102,.35);transition:all var(--transition);text-decoration:none}
.whatsapp-float:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 8px 30px rgba(37,211,102,.45);color:var(--white)}

/* ─── CTA ─── */
.cta-section{background:linear-gradient(165deg,var(--primary-dark),var(--primary));border-radius:var(--radius-xl);text-align:center;padding:80px 60px}
.cta-section h2{color:var(--white);margin-bottom:12px}
.cta-section p{color:rgba(255,255,255,.6);max-width:500px;margin:0 auto 32px}

/* ─── Animations ─── */
.fade-in{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* ─── Responsive ─── */
@media(max-width:1024px){
.hero .container{grid-template-columns:1fr;text-align:center}.hero-content{margin:0 auto}.hero-text{margin:0 auto 32px}
.hero-actions{justify-content:center}.hero-image{display:none}
.about-grid,.contact-grid{grid-template-columns:1fr}.features-grid,.products-grid{grid-template-columns:repeat(2,1fr)}
.product-categories{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
:root{--header-h:64px}
.nav{position:fixed;top:var(--header-h);left:0;right:0;background:var(--white);flex-direction:column;padding:24px;gap:16px;border-bottom:1px solid var(--border);transform:translateY(-100%);opacity:0;pointer-events:none;transition:all var(--transition)}
.nav.open{transform:translateY(0);opacity:1;pointer-events:all}
.lang-switch{margin-left:0;padding-left:0;border-left:none;padding-top:16px;border-top:1px solid var(--border);width:100%}
.menu-toggle{display:flex}
.hero{min-height:auto;padding:calc(var(--header-h) + 60px) 0 60px}
.hero-title{font-size:clamp(1.6rem,7vw,2.4rem)}
.stats-grid{grid-template-columns:repeat(3,1fr);gap:20px}
.hero-stats{grid-template-columns:repeat(3,1fr);gap:20px}
.stat-number{font-size:1.5rem}
.features-grid,.products-grid,.product-categories,.about-features,.process-grid{grid-template-columns:1fr}
.form-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:32px}
.footer-bottom{flex-direction:column;text-align:center}
.process-step:not(:last-child)::after{display:none}
.section{padding:60px 0}.cta-section{padding:48px 24px}
.whatsapp-float{width:48px;height:48px;font-size:1.3rem;bottom:16px;right:16px}
}

.cat-card-img,.product-card-img,.hero-img-placeholder,.about-img-placeholder{overflow:hidden}
.cat-card-img img,.product-card-img img{transition:transform .5s ease}
.cat-card-img img:hover,.product-card-img img:hover{transform:scale(1.08)}/* ——— Showcase Grid ——— */
/* === Fixes: Stats format, hero padding, nav alignment === */
/* English stats: Prevent ALL CAPS */
.stat-number { text-transform: none; letter-spacing: 0; }
.stat-label { text-transform: none; letter-spacing: 0; }

/* CN hero top padding - ensure consistent across locales */
html[lang="zh-CN"] .hero { padding-top: calc(var(--header-h) + 20px); }

/* Form styles for contact pages */
.contact-form-card { background: var(--bg-alt); padding: 40px; border-radius: var(--radius-lg); }
.contact-form-card h3 { margin-bottom: 8px; font-size: 1.3rem; }
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: .85rem; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.form-input { width: 100%; padding: 12px 16px; border: 1px solid var(--border); border-radius: 8px; font-size: .95rem; font-family: var(--font-en); background: var(--white); transition: border-color var(--transition); }
.form-input:focus { outline: none; border-color: var(--accent); }
textarea.form-input { resize: vertical; min-height: 120px; }

/* CTA section enhancement */
.cta-section { text-align: center; padding: 60px 20px; }
.cta-section h2 { font-size: 2rem; margin-bottom: 12px; }
.cta-section p { font-size: 1.05rem; color: var(--text-light); margin-bottom: 28px; }

html[lang="zh-CN"] .nav{margin-left:auto}