/* ═══════════════════════════════════════════════════════════════
   JINLEE HANGER - Main Stylesheet
   ═══════════════════════════════════════════════════════════════ */

:root {
  /* 温馨自然家居风格：木色+米白+森林绿 */
  --wood-dark: #5D4037;
  --wood-mid: #8D6E63;
  --wood-light: #BCAAA4;
  --forest: #2E7D32;
  --forest-light: #4CAF50;
  --cream: #FDF8F3;
  --warm-white: #FFFCF8;
  --sand: #F5F0E8;
  
  --primary: #5D4037;
  --primary-dark: #3E2723;
  --primary-light: #8D6E63;
  --accent: #D4A574;
  --accent-light: #E8C9A8;
  --text-dark: #2C2416;
  --text-mid: #5D4E37;
  --text-light: #8B7355;
  --bg-light: #FDF8F3;
  --bg-white: #FFFCF8;
  --border: #E8DFD0;
  --shadow: 0 4px 20px rgba(93,64,55,0.08);
  --shadow-hover: 0 8px 32px rgba(93,64,55,0.15);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.3s ease;
  --font-main: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-main);
  color: var(--text-dark);
  background: var(--bg-white);
  line-height: 1.6;
}

/* ── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4 { font-family: var(--font-heading); line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
h4 { font-size: 1.1rem; }

a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }

/* ── Utilities ──────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.text-primary { color: var(--primary); }
.bg-light { background: var(--bg-light); }
.bg-primary { background: var(--primary); color: white; }

.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 { color: var(--text-dark); margin-bottom: 16px; }
.section-header p { color: var(--text-light); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }
.section-subtitle { display: inline-block; color: var(--primary); font-size: 0.85rem; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 12px; }

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 50px; font-weight: 600;
  font-size: 0.95rem; cursor: pointer; border: 2px solid transparent;
  transition: var(--transition); letter-spacing: 0.5px;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(44,95,46,0.3); }
.btn-accent { background: var(--accent); color: var(--primary-dark); border: 2px solid var(--accent); }
.btn-accent:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(212,165,116,0.5); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: white; transform: translateY(-2px); }
.btn-white { background: white; color: var(--primary); }
.btn-white:hover { background: var(--bg-light); transform: translateY(-2px); }
.btn-sm { padding: 10px 22px; font-size: 0.88rem; }
.btn-lg { padding: 18px 44px; font-size: 1.05rem; }

/* ── Header & Nav ───────────────────────────────────────────── */
#site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.97); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
#site-header.scrolled { box-shadow: 0 2px 20px rgba(26,86,219,0.12); }

.nav-container {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; max-width: 1200px; margin: 0 auto; height: 72px;
}
.nav-logo { display: flex; align-items: center; gap: 12px; }
.nav-logo-icon {
  width: 44px; height: 44px; background: var(--primary);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
}
.nav-logo-icon svg { width: 26px; height: 26px; fill: white; }
.nav-logo-text { line-height: 1.1; }
.nav-logo-text .brand { font-family: var(--font-heading); font-size: 1.3rem; color: var(--primary); font-weight: 700; }
.nav-logo-text .sub { font-size: 0.7rem; color: var(--text-light); letter-spacing: 1.5px; text-transform: uppercase; }

.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a {
  padding: 8px 16px; border-radius: 8px; color: var(--text-mid);
  font-weight: 500; font-size: 0.92rem; transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--primary); background: var(--bg-light); }
.nav-cta { margin-left: 8px; }
.nav-links a.nav-cta { color: white; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text-dark); border-radius: 2px; transition: var(--transition); }

/* ── Mobile Nav ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links {
    display: none; position: fixed; top: 72px; left: 0; right: 0;
    background: white; flex-direction: column; padding: 20px 24px 32px;
    border-bottom: 1px solid var(--border); box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    gap: 4px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 16px; width: 100%; }
  .nav-cta { margin: 8px 0 0; }
  .nav-toggle { display: flex; }
}

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  min-height: 90vh; display: flex; align-items: center;
  background: linear-gradient(135deg, var(--cream) 0%, var(--sand) 50%, var(--bg-light) 100%);
  padding: 72px 0 0; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: 
    radial-gradient(ellipse at 20% 80%, rgba(212,165,116,0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(46,125,50,0.08) 0%, transparent 50%);
  pointer-events: none;
}
.hero::after {
  content: '🌿'; position: absolute; bottom: -20px; right: 5%; font-size: 200px; opacity: 0.03;
  transform: rotate(-15deg); pointer-events: none;
}
.hero-content { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.hero-label { 
  display: inline-flex; align-items: center; gap: 8px; 
  background: rgba(93,64,55,0.08); color: var(--primary); 
  padding: 8px 20px; border-radius: 50px; font-size: 0.82rem; 
  font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; 
  margin-bottom: 24px; border: 1px solid rgba(93,64,55,0.15); 
}
.hero h1 { color: var(--text-dark); margin-bottom: 24px; }
.hero h1 span { color: var(--forest); }
.hero-desc { color: var(--text-mid); font-size: 1.1rem; margin-bottom: 40px; max-width: 480px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { 
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; 
  margin-top: 48px; padding: 24px; background: rgba(255,255,255,0.7);
  border-radius: var(--radius); backdrop-filter: blur(10px);
  border: 1px solid var(--border);
}
.stat-item { text-align: center; }
.stat-num { font-size: 2rem; font-weight: 700; color: var(--primary); font-family: var(--font-heading); }
.stat-label { font-size: 0.8rem; color: var(--text-light); margin-top: 4px; }

.hero-visual { position: relative; }
.hero-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.hero-card {
  background: rgba(255,255,255,0.9); backdrop-filter: blur(10px);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; transition: var(--transition);
  box-shadow: var(--shadow);
}
.hero-card:hover { 
  background: white; transform: translateY(-4px); 
  box-shadow: var(--shadow-hover);
}
.hero-card:first-child { grid-column: span 2; }
.hero-card-icon { font-size: 2rem; margin-bottom: 12px; }
.hero-card h4 { color: var(--text-dark); margin-bottom: 6px; font-size: 1rem; }
.hero-card p { color: var(--text-light); font-size: 0.85rem; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .hero { text-align: center; }
  .hero h1, .hero-desc { text-align: center; }
  .hero-btns { justify-content: center; }
  .hero-stats { max-width: 400px; margin: 48px auto 0; }
}

/* ── Features / Why Us ──────────────────────────────────────── */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 32px; }
.feature-card {
  padding: 36px 28px; border-radius: var(--radius); background: white;
  border: 1px solid var(--border); text-align: center;
  transition: var(--transition); box-shadow: var(--shadow);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: var(--primary-light); }
.feature-icon { width: 64px; height: 64px; background: var(--bg-light); border-radius: 16px; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; font-size: 1.8rem; }
.feature-card h3 { font-size: 1.1rem; margin-bottom: 10px; color: var(--text-dark); }
.feature-card p { color: var(--text-light); font-size: 0.9rem; line-height: 1.6; }

/* ── Product Cards ──────────────────────────────────────────── */
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 28px; }
.product-card {
  border-radius: var(--radius); overflow: hidden; background: white;
  border: 1px solid var(--border); transition: var(--transition);
  box-shadow: var(--shadow);
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.product-img {
  aspect-ratio: 4/3; overflow: hidden; background: var(--bg-light);
  display: flex; align-items: center; justify-content: center;
}
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.product-card:hover .product-img img { transform: scale(1.05); }
.product-img-placeholder { font-size: 4rem; }
.product-info { padding: 20px; }
.product-category { font-size: 0.78rem; color: var(--primary); font-weight: 600; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 8px; }
.product-info h3 { font-size: 1.1rem; margin-bottom: 8px; color: var(--text-dark); }
.product-info p { color: var(--text-light); font-size: 0.88rem; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-meta { display: flex; justify-content: space-between; align-items: center; padding-top: 12px; border-top: 1px solid var(--border); }
.product-moq { font-size: 0.8rem; color: var(--text-light); }
.product-moq span { color: var(--primary); font-weight: 600; }

/* ── Blog Cards ─────────────────────────────────────────────── */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 32px; }
.blog-card {
  border-radius: var(--radius); overflow: hidden; background: white;
  border: 1px solid var(--border); transition: var(--transition); box-shadow: var(--shadow);
}
.blog-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.blog-img { aspect-ratio: 16/9; overflow: hidden; background: var(--bg-light); display: flex; align-items: center; justify-content: center; }
.blog-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.blog-card:hover .blog-img img { transform: scale(1.05); }
.blog-img-placeholder { font-size: 3rem; }
.blog-info { padding: 24px; }
.blog-meta { display: flex; gap: 12px; margin-bottom: 12px; }
.blog-category { font-size: 0.75rem; background: var(--bg-light); color: var(--primary); padding: 3px 10px; border-radius: 50px; font-weight: 600; }
.blog-date { font-size: 0.78rem; color: var(--text-light); }
.blog-info h3 { font-size: 1.05rem; margin-bottom: 10px; color: var(--text-dark); line-height: 1.4; }
.blog-info p { color: var(--text-light); font-size: 0.88rem; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.blog-read-more { color: var(--primary); font-weight: 600; font-size: 0.88rem; display: inline-flex; align-items: center; gap: 4px; }
.blog-read-more:hover { gap: 8px; }

/* ── Clients / Certifications ───────────────────────────────── */
.clients-strip { 
  background: linear-gradient(135deg, var(--sand) 0%, var(--cream) 100%); 
  padding: 48px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.clients-label { color: var(--text-light); font-size: 0.8rem; letter-spacing: 2px; text-transform: uppercase; text-align: center; margin-bottom: 24px; }
.clients-logos { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px 32px; }
.client-logo {
  background: white; color: var(--text-mid); padding: 12px 28px;
  border-radius: 50px; font-weight: 600; font-size: 0.9rem; letter-spacing: 1px;
  border: 1px solid var(--border); transition: var(--transition);
  box-shadow: var(--shadow);
}
.client-logo:hover { 
  background: var(--primary); color: white; border-color: var(--primary);
  transform: translateY(-2px);
}

.cert-badges { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; margin-top: 32px; }
.cert-badge {
  display: flex; align-items: center; gap: 8px;
  background: white; padding: 12px 20px; border-radius: 10px;
  border: 2px solid var(--border); box-shadow: var(--shadow);
}
.cert-badge-icon { font-size: 1.6rem; }
.cert-badge span { font-weight: 700; font-size: 0.9rem; color: var(--primary); }

/* ── Form Styles ────────────────────────────────────────────── */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; font-size: 0.9rem; color: var(--text-dark); margin-bottom: 8px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 14px 16px; border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); font-size: 0.95rem; font-family: var(--font-main);
  color: var(--text-dark); background: white; transition: var(--transition);
  outline: none;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(44,95,46,0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ── Page Hero (inner pages) ────────────────────────────────── */
.page-hero {
  background: linear-gradient(135deg, var(--cream) 0%, var(--sand) 50%, var(--bg-light) 100%);
  padding: 140px 0 80px; text-align: center; position: relative; overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: 
    radial-gradient(ellipse at 30% 70%, rgba(212,165,116,0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 30%, rgba(46,125,50,0.05) 0%, transparent 50%);
  pointer-events: none;
}
.page-hero::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 60px;
  background: var(--bg-white); clip-path: ellipse(55% 100% at 50% 100%);
}
.page-hero h1 { color: var(--text-dark); margin-bottom: 16px; }
.page-hero p { color: var(--text-mid); font-size: 1.1rem; max-width: 500px; margin: 0 auto; }

/* ── CTA Section ────────────────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg, var(--wood-dark) 0%, var(--primary) 100%);
  padding: 80px 0; text-align: center; position: relative; overflow: hidden;
}
.cta-section::before {
  content: '🌿'; position: absolute; top: -30px; left: 5%; font-size: 150px; opacity: 0.05;
  transform: rotate(15deg); pointer-events: none;
}
.cta-section::after {
  content: '🪵'; position: absolute; bottom: -20px; right: 10%; font-size: 120px; opacity: 0.05;
  transform: rotate(-10deg); pointer-events: none;
}
.cta-section h2 { color: white; margin-bottom: 16px; }
.cta-section p { color: rgba(255,255,255,0.85); font-size: 1.1rem; margin-bottom: 36px; max-width: 500px; margin-left: auto; margin-right: auto; }
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ── Footer ─────────────────────────────────────────────────── */
#site-footer { 
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--wood-dark) 100%); 
  color: rgba(255,255,255,0.75); padding: 64px 0 0; 
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .brand-name { font-family: var(--font-heading); font-size: 1.5rem; color: white; margin-bottom: 8px; }
.footer-brand .brand-tagline { font-size: 0.82rem; color: var(--accent-light); letter-spacing: 1px; margin-bottom: 16px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.social-btn {
  width: 38px; height: 38px; background: rgba(255,255,255,0.08); border-radius: 8px;
  display: flex; align-items: center; justify-content: center; font-size: 1rem;
  transition: var(--transition); border: 1px solid rgba(255,255,255,0.1);
}
.social-btn:hover { background: var(--accent); border-color: var(--accent); color: var(--text-dark); }
.footer-col h4 { color: white; font-size: 0.9rem; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 20px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.9rem; color: rgba(255,255,255,0.6); transition: var(--transition); }
.footer-links a:hover { color: var(--accent-light); padding-left: 4px; }
.footer-contact-item { display: flex; gap: 10px; margin-bottom: 12px; font-size: 0.88rem; }
.footer-contact-item .icon { font-size: 1rem; flex-shrink: 0; margin-top: 2px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 24px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: gap; }
.footer-bottom p { font-size: 0.82rem; color: rgba(255,255,255,0.4); }
.footer-cert-row { display: flex; gap: 10px; }
.footer-cert { background: rgba(255,255,255,0.08); padding: 4px 12px; border-radius: 50px; font-size: 0.75rem; color: rgba(255,255,255,0.6); }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
}

/* ── Breadcrumb ─────────────────────────────────────────────── */
.breadcrumb { padding: 16px 0; }
.breadcrumb-list { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
.breadcrumb-list li { display: inline-flex; align-items: center; }
.breadcrumb-list a { color: var(--text-light); white-space: nowrap; }
.breadcrumb-list a:hover { color: var(--primary); }
.breadcrumb-sep { color: var(--border); user-select: none; }
.breadcrumb-current { color: var(--text-dark); font-weight: 500; }

/* ── Language Switcher ──────────────────────────────────────── */
.lang-switcher { position: relative; }
.lang-btn { background: transparent; border: 1.5px solid var(--border); padding: 6px 12px; border-radius: 8px; font-size: 0.85rem; font-weight: 500; color: var(--text-mid); cursor: pointer; transition: var(--transition); display: flex; align-items: center; gap: 4px; }
.lang-btn:hover { border-color: var(--primary); color: var(--primary); }
.lang-dropdown { position: absolute; top: 100%; right: 0; margin-top: 8px; background: white; border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow-hover); padding: 8px; min-width: 160px; opacity: 0; visibility: hidden; transform: translateY(-10px); transition: var(--transition); z-index: 1001; }
.lang-switcher:hover .lang-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px; font-size: 0.9rem; color: var(--text-dark); transition: var(--transition); }
.lang-item:hover { background: var(--bg-light); }
.lang-item.active { background: var(--primary); color: white; }
@media (max-width: 900px) {
  .lang-switcher { margin: 8px 0; }
  .lang-dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; padding: 0; margin-top: 8px; display: none; }
  .lang-switcher.open .lang-dropdown { display: block; }
}

/* ── Filter Bar ─────────────────────────────────────────────── */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.filter-btn { padding: 8px 20px; border-radius: 50px; border: 1.5px solid var(--border); background: white; color: var(--text-mid); font-size: 0.88rem; font-weight: 500; cursor: pointer; transition: var(--transition); }
.filter-btn:hover, .filter-btn.active { background: var(--primary); color: white; border-color: var(--primary); }

/* ── Loading & States ───────────────────────────────────────── */
.loading { display: flex; justify-content: center; padding: 60px; }
.loading-spinner { width: 40px; height: 40px; border: 3px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.empty-state { text-align: center; padding: 80px 20px; color: var(--text-light); }
.empty-state-icon { font-size: 3rem; margin-bottom: 16px; }
.empty-state p { font-size: 1rem; }

/* ── Toast ──────────────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 9999;
  background: var(--primary); color: white; padding: 14px 24px;
  border-radius: 10px; box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  animation: slideUp 0.3s ease; max-width: 360px; font-size: 0.92rem;
  display: flex; align-items: center; gap: 10px;
}
.toast.error { background: #c0392b; }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* ── About page ─────────────────────────────────────────────── */
.about-intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-intro-grid img { border-radius: var(--radius); box-shadow: var(--shadow-hover); }
.about-img-placeholder { aspect-ratio: 4/3; background: linear-gradient(135deg, var(--bg-light), var(--border)); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-size: 5rem; }
.timeline { position: relative; padding-left: 32px; }
.timeline::before { content: ''; position: absolute; left: 10px; top: 0; bottom: 0; width: 2px; background: var(--border); }
.timeline-item { position: relative; margin-bottom: 32px; }
.timeline-dot { position: absolute; left: -27px; top: 4px; width: 14px; height: 14px; background: var(--primary); border-radius: 50%; border: 3px solid white; box-shadow: 0 0 0 2px var(--primary); }
.timeline-year { font-weight: 700; color: var(--primary); font-size: 0.9rem; margin-bottom: 4px; }
.timeline-item h4 { margin-bottom: 4px; }
.timeline-item p { font-size: 0.9rem; color: var(--text-light); }
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 28px; }
.team-card { text-align: center; }
.team-avatar { width: 80px; height: 80px; background: var(--primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 2rem; margin: 0 auto 16px; }
.team-card h4 { margin-bottom: 4px; }
.team-card p { font-size: 0.85rem; color: var(--text-light); }

/* ── Product Detail ─────────────────────────────────────────── */
.product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.product-detail-img { border-radius: var(--radius); overflow: hidden; background: var(--bg-light); aspect-ratio: 1; display: flex; align-items: center; justify-content: center; font-size: 6rem; }
.product-detail-img img { width: 100%; height: 100%; object-fit: cover; }
.product-specs { margin: 24px 0; }
.spec-row { display: flex; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.spec-label { font-weight: 600; min-width: 100px; color: var(--text-mid); font-size: 0.9rem; }
.spec-value { color: var(--text-dark); font-size: 0.9rem; }
.feature-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.feature-list li { display: flex; align-items: center; gap: 8px; font-size: 0.92rem; }
.feature-list li::before { content: '✓'; color: var(--primary); font-weight: 700; }

@media (max-width: 768px) {
  .about-intro-grid, .product-detail-grid { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
  .hero { padding: 90px 0 0; }
  .page-hero { padding: 110px 0 60px; }
}

/* ── Scroll to top ──────────────────────────────────────────── */
#scroll-top {
  position: fixed; bottom: 28px; left: 28px; width: 44px; height: 44px;
  background: var(--primary); color: white; border-radius: 12px; border: none;
  cursor: pointer; display: none; align-items: center; justify-content: center;
  font-size: 1.2rem; box-shadow: var(--shadow); transition: var(--transition); z-index: 900;
}
#scroll-top.visible { display: flex; }
#scroll-top:hover { background: var(--primary-dark); transform: translateY(-3px); }

/* ── Animations ─────────────────────────────────────────────── */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ══════════════════════════════════════════════════════════════
   HERO SLIDER
   ══════════════════════════════════════════════════════════════ */
.hero-slider {
  position: relative; overflow: hidden;
  height: calc(60vh + 72px); min-height: 480px; max-height: 720px;
  padding-top: 72px;
}

.slider-track {
  display: flex; width: 100%; height: 100%;
  position: relative; height: calc(60vh);
  min-height: 400px;
}

.slide {
  position: absolute; inset: 0;
  display: flex; align-items: center;
  opacity: 0; transform: scale(1.02);
  transition: opacity 0.8s ease, transform 0.8s ease;
  pointer-events: none;
}
.slide.active {
  opacity: 1; transform: scale(1);
  pointer-events: auto;
}

/* 轻量遮罩（仅左侧渐变，保持图片明亮） */
.slide-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to right, rgba(0,0,0,0.38) 0%, rgba(0,0,0,0.12) 50%, transparent 100%);
}

/* 无图片时用渐变背景（明亮蓝色系） */
.slide[style*="linear-gradient"] .slide-overlay {
  background: none;
}

.slide-content {
  position: relative; z-index: 2;
  max-width: 620px; padding: 40px 24px;
}
.slide-label {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(212,165,116,0.2); color: var(--accent);
  padding: 5px 14px; border-radius: 50px; font-size: 0.8rem;
  font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase;
  margin-bottom: 16px; border: 1px solid rgba(212,165,116,0.4);
}
.slide-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: white; line-height: 1.2; margin-bottom: 14px;
  text-shadow: 0 2px 16px rgba(0,0,0,0.25);
}
.slide-subtitle {
  color: rgba(255,255,255,0.88); font-size: 1rem;
  margin-bottom: 28px; max-width: 480px; line-height: 1.65;
  text-shadow: 0 1px 8px rgba(0,0,0,0.2);
}
.slide-btns { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 100px; }
.slide-btns .btn { text-shadow: none; }
.slide-btns .btn-primary { 
  background: var(--primary); 
  color: white; 
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
.slide-btns .btn-accent { 
  background: var(--accent); 
  color: var(--primary-dark); 
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

/* Slider Controls */
.slider-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  z-index: 10; background: rgba(255,255,255,0.15);
  border: 1.5px solid rgba(255,255,255,0.3); color: white;
  width: 48px; height: 48px; border-radius: 50%; cursor: pointer;
  font-size: 1.6rem; line-height: 1; display: flex; align-items: center;
  justify-content: center; transition: var(--transition);
  backdrop-filter: blur(6px);
}
.slider-btn:hover { background: rgba(93,64,55,0.8); border-color: var(--accent); transform: translateY(-50%) scale(1.08); }
.slider-prev { left: 20px; }
.slider-next { right: 20px; }

/* Dots */
.slider-dots {
  position: absolute; bottom: 72px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 8px; z-index: 10;
}
.dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,0.45); border: none; cursor: pointer;
  transition: var(--transition); padding: 0;
}
.dot.active { background: var(--accent); width: 24px; border-radius: 4px; }

/* Stats bar at bottom of slider */
.hero-stats-bar {
  position: absolute; bottom: 0; left: 0; right: 0; z-index: 10;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(8px);
  border-top: 1px solid rgba(26,86,219,0.1);
}
.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  padding: 14px 0; gap: 0;
}
.stat-item { text-align: center; padding: 6px 0; border-right: 1px solid var(--border); }
.stat-item:last-child { border-right: none; }
.stat-num { font-size: 1.55rem; font-weight: 700; color: var(--primary); font-family: var(--font-heading); }
.stat-label { font-size: 0.74rem; color: var(--text-light); margin-top: 2px; text-transform: uppercase; letter-spacing: 0.5px; }

/* Mobile slider */
@media (max-width: 768px) {
  .hero-slider { height: calc(55vh + 72px); min-height: 400px; }
  .slider-track { min-height: 320px; }
  .slide-content { padding: 30px 16px; }
  .slide-title { font-size: clamp(1.4rem, 5.5vw, 2rem); }
  .slide-subtitle { font-size: 0.9rem; margin-bottom: 20px; }
  .slider-btn { width: 38px; height: 38px; font-size: 1.3rem; }
  .slider-prev { left: 10px; }
  .slider-next { right: 10px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .slider-dots { bottom: 62px; }
}
@media (max-width: 480px) {
  .slide-btns { flex-direction: column; gap: 10px; }
  .slide-btns .btn { text-align: center; justify-content: center; }
}