/* ─────────────────────────────────────────────────────────────
   Sanying Slipform v2 — Global Stylesheet
   Single file, CSS variables, mobile-first
   Covers all template class names used across zh/en/id builds
   ───────────────────────────────────────────────────────────── */

:root {
  /* Colors */
  --primary: #E63946;
  --primary-dark: #C62828;
  --primary-light: #FF6B6B;
  --secondary: #1D3557;
  --secondary-light: #457B9D;
  --accent: #F4A261;
  --accent-light: #F4D35E;
  --dark: #1a1a1a;
  --gray: #6c757d;
  --gray-light: #dee2e6;
  --light: #f8f9fa;
  --white: #ffffff;
  --success: #2E7D32;
  --whatsapp: #25D366;
  --facebook: #1877F2;
  --wechat: #07C160;
  --youtube: #FF0000;

  /* Layout */
  --container-max: 1300px;
  --container-padding: 1.5rem;
  --section-padding: 5rem;
  --header-height: 80px;

  /* Typography */
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Microsoft YaHei", "PingFang SC", sans-serif;
  --font-heading: var(--font-base);
  --line-base: 1.6;
  --line-heading: 1.2;

  /* Effects */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
  --transition: all 0.3s ease;
}

/* ─── Reset & Base ─── */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0; padding: 0;
  font-family: var(--font-base);
  font-size: 1rem; line-height: var(--line-base);
  color: var(--dark); background: var(--white);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: var(--line-heading);
  margin: 0 0 1rem; color: var(--secondary);
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p { margin: 0 0 1rem; }

a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }

img { max-width: 100%; height: auto; display: block; }

ul, ol { margin: 0; padding: 0; list-style: none; }

button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ─── Layout ─── */
.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 var(--container-padding); }
.section { padding: var(--section-padding) 0; }
.section-light,
.bg-light { background: var(--light); }
.section-dark {
  background: var(--secondary); color: var(--white);
}
.section-dark h2, .section-dark h3, .section-dark p { color: var(--white); }

/* ─── Section Titles ─── */
.section-title,
.section-header {
  text-align: center; max-width: 760px; margin: 0 auto 3rem;
}
.section-title h2, .section-header h2 {
  margin-bottom: 0.75rem; position: relative; display: inline-block;
}
.section-title h2::after, .section-header h2::after {
  content: ''; display: block; width: 60px; height: 4px;
  background: var(--primary); margin: 0.75rem auto 0; border-radius: 2px;
}
.section-subtitle,
.section-title p,
.section-header p {
  color: var(--gray); font-size: 1.1rem; margin: 0.5rem 0 0;
}
.section-title.text-left, .section-header.text-left { text-align: left; }
.section-title.text-left h2::after, .section-header.text-left h2::after { margin-left: 0; }

/* ─── Top Bar ─── */
.top-bar {
  background: var(--secondary); color: rgba(255,255,255,0.9);
  font-size: 0.875rem; padding: 0.5rem 0;
}
.top-bar .container {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.top-bar-left { display: flex; align-items: center; gap: 1rem; }
.top-bar-left svg { width: 16px; height: 16px; color: var(--accent); }
.top-bar-right { display: flex; align-items: center; gap: 1.5rem; }
.top-bar a { color: rgba(255,255,255,0.9); }
.top-bar a:hover { color: var(--accent); }

.language-switcher { display: flex; align-items: center; gap: 0.5rem; }
.language-switcher a {
  padding: 0.2rem 0.5rem; border-radius: var(--radius-sm); font-size: 0.8rem;
}
.language-switcher a.active { background: var(--primary); color: var(--white); }

/* ─── Main Header ─── */
.main-header {
  background: var(--white); box-shadow: var(--shadow-sm);
  position: sticky; top: 0; z-index: 1000;
  height: var(--header-height); transition: var(--transition);
}
.main-header.scrolled { box-shadow: var(--shadow-lg); }
.main-header .container {
  display: flex; justify-content: space-between; align-items: center; height: 100%;
}

.logo {
  display: flex; align-items: center; gap: 0.75rem;
  font-weight: 700; font-size: 1.25rem; color: var(--secondary);
}
.logo img { height: 50px; width: auto; }
.logo span { color: var(--primary); }
.logo small { font-size: 0.75rem; font-weight: 500; color: var(--gray); }

/* Logo text fallback (when no image) */
.logo-text-icon {
  width: 50px; height: 50px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white); display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; font-weight: 800; flex-shrink: 0;
}

/* ─── Navigation ─── */
.main-nav { display: flex; align-items: center; gap: 1rem; flex: 1; justify-content: flex-end; }
.nav-list { display: flex; align-items: stretch; gap: 0; }
.nav-list > li { position: relative; display: flex; align-items: center; }
.nav-list > li > a {
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  gap: 0.25rem;
  padding: 0 0.65rem;
  height: var(--header-height);
  color: var(--dark);
  font-weight: 500; font-size: 0.88rem;
  line-height: 1.25;
  border-bottom: 3px solid transparent;
  white-space: normal;
}
.nav-list > li > a:hover,
.nav-list > li > a.active {
  color: var(--primary); border-bottom-color: var(--primary);
}
.nav-list .dropdown-arrow { width: 14px; height: 14px; transition: transform 0.2s; }
.nav-list > li:hover .dropdown-arrow { transform: rotate(180deg); }

.dropdown-menu {
  position: absolute; top: 100%; left: 0;
  background: var(--white); min-width: 220px;
  box-shadow: var(--shadow-xl); border-radius: var(--radius-md);
  padding: 0.5rem 0; opacity: 0; visibility: hidden;
  transform: translateY(10px); transition: var(--transition);
  border-top: 3px solid var(--primary);
}
.nav-list > li:hover .dropdown-menu {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown-menu a {
  display: block; padding: 0.75rem 1.25rem; color: var(--dark); font-size: 0.9rem;
}
.dropdown-menu a:hover { background: var(--light); color: var(--primary); padding-left: 1.5rem; }
.header-cta { margin-left: 0.5rem; }
.header-cta .btn { padding: 0.55rem 1.1rem; font-size: 0.85rem; white-space: nowrap; }

/* ─── Mobile Menu ─── */
.mobile-menu-toggle { display: none; flex-direction: column; gap: 5px; padding: 0.5rem; z-index: 1001; }
.mobile-menu-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--secondary); transition: var(--transition);
}
.mobile-menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-menu-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ─── Buttons ─── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.75rem 1.5rem; border-radius: var(--radius-md);
  font-weight: 600; font-size: 0.95rem; transition: var(--transition);
  text-align: center; border: 2px solid transparent;
}
.btn-primary { background: var(--primary); color: var(--white); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: var(--white); }
.btn-secondary { background: var(--secondary); color: var(--white); border-color: var(--secondary); }
.btn-secondary:hover { background: var(--secondary-light); border-color: var(--secondary-light); color: var(--white); }
.btn-outline { background: transparent; color: var(--white); border-color: var(--white); }
.btn-outline:hover { background: var(--white); color: var(--secondary); }
.btn-outline-dark { background: transparent; color: var(--secondary); border-color: var(--secondary); }
.btn-outline-dark:hover { background: var(--secondary); color: var(--white); }
.btn-whatsapp { background: var(--whatsapp); color: var(--white); border-color: var(--whatsapp); }
.btn-whatsapp:hover { background: #128C7E; border-color: #128C7E; color: var(--white); }
.btn-wechat { background: var(--wechat); color: var(--white); border-color: var(--wechat); }
.btn-wechat:hover { background: #06ad56; border-color: #06ad56; color: var(--white); }
.btn-large { padding: 1rem 2rem; font-size: 1.05rem; }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.875rem; }

/* ─── Carousel (Homepage) ─── */
.carousel {
  position: relative; overflow: hidden;
  min-height: 650px; background: var(--secondary);
}
.carousel-wrapper { position: relative; height: 650px; }
.carousel-slide {
  position: absolute; inset: 0; opacity: 0;
  transition: opacity 1s ease-in-out;
  display: flex; align-items: center;
}
.carousel-slide .carousel-bg-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: right center;
  z-index: 0;
}
.carousel-slide.active { opacity: 1; }
.carousel-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(29,53,87,0.88) 0%, rgba(29,53,87,0.55) 60%, rgba(29,53,87,0.2) 100%);
}
.carousel-content {
  position: relative; z-index: 2; max-width: 700px;
  color: var(--white); padding: 4rem 0;
}
.carousel-content h1 {
  color: var(--white); font-size: clamp(2.25rem, 5vw, 3.5rem);
  margin-bottom: 1rem; line-height: 1.15;
}
.carousel-content h1 .highlight,
.carousel-content h1 span { color: var(--accent); }
.carousel-subtitle {
  font-size: 1.3rem; color: rgba(255,255,255,0.9);
  margin-bottom: 1rem; font-weight: 500;
}
.carousel-desc {
  font-size: 1.1rem; color: rgba(255,255,255,0.8);
  margin-bottom: 2rem; line-height: 1.6;
}
.carousel-btns { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Carousel placeholder backgrounds */
.carousel-placeholder {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 50%, var(--primary-dark) 100%);
  position: absolute; inset: 0;
}
.carousel-placeholder::after {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(244,162,97,0.25) 0%, transparent 50%),
    radial-gradient(circle at 70% 20%, rgba(230,57,70,0.3) 0%, transparent 50%),
    radial-gradient(circle at 85% 70%, rgba(69,123,157,0.25) 0%, transparent 40%);
}
.carousel-slide:nth-child(2) .carousel-placeholder {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary) 50%, var(--secondary-light) 100%);
}
.carousel-slide:nth-child(3) .carousel-placeholder {
  background: linear-gradient(135deg, var(--secondary-light) 0%, var(--primary-dark) 50%, var(--secondary) 100%);
}

/* Carousel controls */
.carousel-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(255,255,255,0.15); backdrop-filter: blur(4px);
  color: var(--white); display: flex; align-items: center; justify-content: center;
  transition: var(--transition); border: 1px solid rgba(255,255,255,0.3);
}
.carousel-arrow:hover { background: var(--primary); border-color: var(--primary); }
.carousel-arrow svg { width: 20px; height: 20px; }
.carousel-prev { left: 1.5rem; }
.carousel-next { right: 1.5rem; }
.carousel-dots {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  z-index: 3; display: flex; gap: 0.75rem;
}
.carousel-dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: rgba(255,255,255,0.4); cursor: pointer;
  transition: var(--transition); border: none; padding: 0;
}
.carousel-dot.active { background: var(--primary); width: 32px; border-radius: 6px; }

/* ─── Stats Bar ─── */
.stats-bar {
  background: var(--white); position: relative; z-index: 10;
  margin-top: -2rem;
}
.stats-grid {
  display: flex; justify-content: space-around; align-items: center;
  background: var(--white); border-radius: var(--radius-lg);
  padding: 1.5rem 2rem; box-shadow: var(--shadow-xl);
}
.stat-item { text-align: center; flex: 1; padding: 0 1.5rem; }
.stat-number {
  display: block; font-size: 2rem; font-weight: 800;
  color: var(--primary); line-height: 1; margin-bottom: 0.5rem;
}
.stat-label { display: block; color: var(--gray); font-size: 0.875rem; }
.stats-grid .stat-item + .stat-item {
  border-left: 1px solid var(--gray-light);
}

/* ─── Product Cards (Home + Products page) ─── */
.product-grid,
.product-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.product-card {
  background: var(--white); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-md);
  transition: var(--transition); border: 1px solid var(--gray-light);
}
.product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); border-color: var(--primary-light); }

.product-card-img,
.product-image {
  position: relative; overflow: hidden;
  aspect-ratio: 4/3; background: var(--light);
}
.product-card-img img,
.product-image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}
.product-card:hover .product-card-img img,
.product-card:hover .product-image img { transform: scale(1.08); }

.product-tag {
  position: absolute; top: 1rem; left: 1rem;
  background: var(--primary); color: var(--white);
  padding: 0.35rem 0.85rem; border-radius: 50px;
  font-size: 0.75rem; font-weight: 600;
}

.product-card-body,
.product-content { padding: 1.75rem; }
.product-card-body h3,
.product-content h3 { margin-bottom: 0.75rem; transition: color 0.3s; }
.product-card:hover .product-card-body h3,
.product-card:hover .product-content h3 { color: var(--primary); }
.product-card-body p,
.product-content p { color: var(--gray); margin-bottom: 1rem; font-size: 0.95rem; }

.product-specs-mini {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.product-specs-mini li {
  display: flex; flex-direction: column;
  background: var(--light); padding: 0.75rem; border-radius: var(--radius-sm);
  font-size: 0.875rem;
}
.product-specs-mini strong {
  font-size: 0.75rem; color: var(--gray); margin-bottom: 0.25rem; font-weight: 500;
}
.product-specs-mini span,
.product-specs-mini strong + * { font-weight: 600; color: var(--secondary); font-size: 0.9rem; }

/* ─── Image Placeholder ─── */
.img-placeholder {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.7); gap: 0.5rem;
}
.img-placeholder svg { width: 48px; height: 48px; opacity: 0.6; }
.img-placeholder span { font-size: 0.85rem; font-weight: 500; opacity: 0.8; }

/* Product variant placeholders */
.img-placeholder-wheel { background: linear-gradient(135deg, #E63946, #C0392B); }
.img-placeholder-rubber { background: linear-gradient(135deg, #1D3557, #2C5282); }
.img-placeholder-steel { background: linear-gradient(135deg, #457B9D, #1D3557); }
.img-placeholder-case { background: linear-gradient(135deg, var(--secondary), #2C5282); }
.img-placeholder-banner { 
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
}

/* ─── Features Grid ─── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.feature-item,
.feature-card {
  text-align: center; padding: 2rem;
  background: var(--white); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm); transition: var(--transition);
  border-bottom: 4px solid transparent;
}
.feature-item:hover,
.feature-card:hover {
  transform: translateY(-5px); box-shadow: var(--shadow-lg);
  border-bottom-color: var(--primary);
}

.feature-icon {
  width: 70px; height: 70px;
  background: rgba(230,57,70,0.1); color: var(--primary);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.25rem;
}
.feature-icon svg { width: 32px; height: 32px; }

.feature-item h3,
.feature-card h3 { margin-bottom: 0.75rem; font-size: 1.25rem; }
.feature-item p,
.feature-card p { color: var(--gray); margin: 0; font-size: 0.95rem; }

/* ─── Applications Grid ─── */
.applications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem; text-align: center;
}

.app-card {
  background: var(--light); padding: 1.5rem 1rem; border-radius: 8px;
  transition: var(--transition); border: 1px solid transparent;
}
.app-card:hover {
  background: var(--white); border-color: var(--primary);
  box-shadow: var(--shadow-md); transform: translateY(-3px);
}
.app-card svg { width: 36px; height: 36px; margin-bottom: 0.5rem; color: var(--primary); }
.app-card .app-label { font-weight: 600; font-size: 0.95rem; color: var(--secondary); }

/* Old application card style (image-based, kept for compatibility) */
.old-app-card {
  position: relative; border-radius: var(--radius-lg);
  overflow: hidden; aspect-ratio: 4/3; box-shadow: var(--shadow-md);
}
.old-app-card img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}
.old-app-card:hover img { transform: scale(1.1); }
.old-app-card-content {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 1.5rem;
  background: linear-gradient(to top, rgba(29,53,87,0.95), transparent);
  color: var(--white);
}
.old-app-card-content h4 { color: var(--white); margin-bottom: 0.5rem; }
.old-app-card-content p { margin: 0; color: rgba(255,255,255,0.85); font-size: 0.9rem; }

/* ─── Cases ─── */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.case-card {
  background: var(--white); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-md); transition: var(--transition);
}
.case-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }

.case-card-img {
  position: relative; height: 220px; overflow: hidden;
  background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
}
.case-card-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}
.case-card:hover .case-card-img img { transform: scale(1.08); }

.case-tag {
  position: absolute; top: 1rem; left: 1rem;
  background: var(--accent); color: var(--dark);
  padding: 0.3rem 0.8rem; border-radius: 50px;
  font-size: 0.75rem; font-weight: 600;
}

.case-card-body { padding: 1.5rem; }
.case-card-body .case-year {
  color: var(--primary); font-size: 0.85rem; font-weight: 600; display: block; margin-bottom: 0.5rem;
}
.case-card-body h4,
.case-card-body h3 { margin-bottom: 0.75rem; }
.case-card-body p {
  color: var(--gray); font-size: 0.95rem; margin-bottom: 1rem;
}
.case-meta {
  display: flex; gap: 1rem; font-size: 0.85rem; color: var(--gray);
}
.case-meta span { display: flex; align-items: center; gap: 0.3rem; }
.case-meta svg { width: 14px; height: 14px; }

/* ─── News Cards ─── */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.news-card {
  background: var(--white); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-md); transition: var(--transition);
  border: 1px solid var(--gray-light);
}
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }

.news-thumb {
  position: relative; height: 200px; overflow: hidden;
  background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
  display: flex; align-items: center; justify-content: center;
}
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-thumb svg { width: 60px; height: 60px; color: rgba(255,255,255,0.9); }
.news-thumb::after {
  content: attr(data-label); position: absolute; inset: 0;
  background: rgba(29,53,87,0.75); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; opacity: 0; transition: var(--transition);
}
.news-card:hover .news-thumb::after { opacity: 1; }

.news-content,
.news-card-body { padding: 1.5rem; }

.news-meta {
  display: flex; gap: 0.75rem; margin-bottom: 0.75rem; align-items: center;
}
.news-category {
  background: var(--primary); color: var(--white);
  padding: 0.25rem 0.75rem; border-radius: 50px; font-size: 0.75rem;
}
.news-date { color: var(--gray); font-size: 0.85rem; }

.news-content h3,
.news-card-body h3 { font-size: 1.1rem; margin-bottom: 0.75rem; }
.news-content h3 a,
.news-card-body h3 a { color: var(--secondary); }
.news-content h3 a:hover,
.news-card-body h3 a:hover { color: var(--primary); }
.news-content p,
.news-card-body p { color: var(--gray); font-size: 0.9rem; margin-bottom: 1rem; }

.read-more {
  color: var(--primary); font-weight: 600; font-size: 0.9rem;
  display: inline-flex; align-items: center; gap: 0.3rem;
}
.read-more:hover { gap: 0.5rem; }

/* News list horizontal card */
.news-card-list {
  display: flex; gap: 1.5rem; align-items: flex-start;
  padding: 1.5rem; border-radius: var(--radius-lg);
  background: var(--white); box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-light); transition: var(--transition);
}
.news-card-list:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.news-card-list + .news-card-list { margin-top: 1.5rem; }

.news-meta-side {
  min-width: 90px; text-align: center;
  display: flex; flex-direction: column; align-items: center;
}
.news-day {
  font-size: 1.75rem; font-weight: 700; color: var(--primary); line-height: 1;
}
.news-month { font-size: 0.8rem; color: var(--gray); margin-top: 0.25rem; }
.news-category-tag {
  display: inline-block; margin-top: 0.5rem;
  background: var(--accent); color: var(--white);
  padding: 0.15rem 0.6rem; border-radius: 4px; font-size: 0.7rem;
}

.news-body { flex: 1; }
.news-body h3 { font-size: 1.15rem; margin-bottom: 0.5rem; }
.news-body h3 a { color: var(--secondary); }
.news-body h3 a:hover { color: var(--primary); }
.news-body p {
  color: var(--gray); font-size: 0.9rem; line-height: 1.6;
  margin-bottom: 0.75rem;
}

/* Pagination */
.pagination {
  display: flex; justify-content: center; align-items: center;
  gap: 1rem; margin-top: 3rem; flex-wrap: wrap;
}
.pagination-prev, .pagination-next {
  padding: 0.6rem 1rem; border-radius: var(--radius-md);
  border: 1px solid var(--gray-light); background: var(--white);
  color: var(--secondary); font-weight: 500; transition: var(--transition);
}
.pagination-prev:hover, .pagination-next:hover {
  border-color: var(--primary); color: var(--primary);
}
.pagination-prev.disabled, .pagination-next.disabled {
  opacity: 0.4; pointer-events: none;
}
.pagination-pages { display: flex; gap: 0.4rem; }
.pagination-page {
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md); border: 1px solid var(--gray-light);
  background: var(--white); color: var(--secondary); font-weight: 500;
  transition: var(--transition);
}
.pagination-page:hover { border-color: var(--primary); color: var(--primary); }
.pagination-page.active {
  background: var(--primary); color: var(--white); border-color: var(--primary);
}

@media (max-width: 576px) {
  .news-card-list { flex-direction: column; gap: 1rem; }
  .news-meta-side { flex-direction: row; gap: 0.75rem; width: 100%; justify-content: flex-start; }
  .news-category-tag { margin-top: 0; }
}

/* ─── Article Page ─── */
.article-header {
  background: var(--secondary); color: var(--white);
  padding: 6rem 0 4rem;
}
.article-header h1 { color: var(--white); margin-bottom: 1rem; }
.article-header .news-meta { margin: 0; }
.article-header .news-category,
.article-header .news-date {
  background: rgba(255,255,255,0.2); color: var(--white);
}

/* Article content now uses full container width (1300px) */
.article-content {
  max-width: 100%; padding: 0;
}
.article-content h2, .article-content h3 { margin-top: 2rem; margin-bottom: 1rem; }
.article-content p { color: var(--dark); margin-bottom: 1.25rem; font-size: 1.05rem; line-height: 1.9; }
.article-content ul, .article-content ol { margin-bottom: 1.5rem; padding-left: 1.5rem; }
.article-content ul li { list-style: disc; margin-bottom: 0.5rem; }
.article-content ol li { list-style: decimal; margin-bottom: 0.5rem; }

/* Article prev/next navigation */
.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--gray-light);
}
.article-nav a {
  display: block; padding: 1.25rem;
  border: 1px solid var(--gray-light); border-radius: var(--radius-lg);
  background: var(--white); transition: var(--transition);
}
.article-nav a:hover {
  border-color: var(--primary); box-shadow: var(--shadow-md);
}
.article-nav .empty {
  display: block; padding: 1.25rem;
  border: 1px dashed var(--gray-light); border-radius: var(--radius-lg);
  pointer-events: none; opacity: 0.5;
}
.article-nav-label {
  display: flex; align-items: center; gap: 0.4rem;
  font-size: 0.8rem; color: var(--gray); text-transform: uppercase; letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}
.article-nav-title {
  font-weight: 600; color: var(--secondary); line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-nav a:hover .article-nav-title { color: var(--primary); }
.article-nav-prev { text-align: left; }
.article-nav-next { text-align: right; }
.article-nav-next .article-nav-label { justify-content: flex-end; }

@media (max-width: 768px) {
  .article-nav { grid-template-columns: 1fr; }
  .article-nav-next { text-align: left; }
  .article-nav-next .article-nav-label { justify-content: flex-start; }
}

/* ─── Page Hero (subpages) ─── */
.page-hero {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
  color: var(--white); padding: 6rem 0 4rem; text-align: center;
}
.page-hero h1 { color: var(--white); margin-bottom: 1rem; }
.page-hero h1 .highlight,
.page-hero h1 span { color: var(--accent); }
.page-hero .hero-desc {
  color: rgba(255,255,255,0.9); font-size: 1.15rem; max-width: 700px;
  margin: 0 auto;
}

/* ─── Breadcrumb ─── */
.breadcrumb {
  background: var(--light); padding: 0.875rem 0;
  border-bottom: 1px solid var(--gray-light);
}
.breadcrumb .container {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.875rem;
}
.breadcrumb a { color: var(--gray); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { color: var(--secondary); font-weight: 500; }

/* ─── About Page ─── */
.about-profile-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start;
}
.about-image {
  border-radius: var(--radius-lg); overflow: hidden;
  aspect-ratio: 4/3; background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
}
.about-image img { width: 100%; height: 100%; object-fit: cover; }

.about-intro p { color: var(--dark); margin-bottom: 1.25rem; font-size: 1.05rem; line-height: 1.8; }

/* ─── Product Detail ─── */
.product-detail-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 3rem; align-items: start;
}
.product-gallery-main {
  border-radius: var(--radius-lg); overflow: hidden;
  aspect-ratio: 4/3; background: var(--light); margin-bottom: 1rem;
}
.product-gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.product-gallery-thumbs {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
}
.product-gallery-thumbs > div {
  border-radius: var(--radius-md); overflow: hidden;
  aspect-ratio: 1; background: var(--light); cursor: pointer;
}
.product-gallery-thumbs img { width: 100%; height: 100%; object-fit: cover; }

.product-detail-info h2 { margin-bottom: 1rem; }
.product-detail-info .lead { font-size: 1.1rem; color: var(--gray); margin-bottom: 1.5rem; }

.feature-list {
  background: var(--light); padding: 1.5rem;
  border-radius: var(--radius-lg); margin-bottom: 1.5rem;
}
.feature-list h4 { margin-bottom: 1rem; color: var(--secondary); }
.feature-list li {
  display: flex; align-items: center; gap: 0.75rem; padding: 0.5rem 0;
}
.feature-list svg { width: 20px; height: 20px; color: var(--success); flex-shrink: 0; }

.specs-table {
  width: 100%; max-width: 900px; margin: 0 auto; border-collapse: collapse; background: var(--white);
  border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm);
}
.specs-table th, .specs-table td {
  padding: 1rem; text-align: left; border-bottom: 1px solid var(--gray-light);
}
.specs-table th { background: var(--secondary); color: var(--white); }
.specs-table tr:nth-child(even) { background: var(--light); }
.specs-note { text-align: center; margin-top: 1rem; color: var(--gray); font-size: 0.9rem; }

/* ─── Guide Grid (products page) ─── */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem; text-align: center;
}
.guide-card {
  background: var(--white); padding: 2rem 1.5rem; border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06); transition: var(--transition);
}
.guide-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.guide-card .guide-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.guide-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.guide-card p {
  color: var(--gray); font-size: 0.9rem; margin-bottom: 1rem;
}
.guide-recommend {
  background: var(--accent); color: var(--white);
  padding: 0.5rem 1rem; border-radius: 4px;
  font-weight: 600; font-size: 0.9rem; display: inline-block;
}

/* ─── Dealer/Distributor Section ─── */
.distributor-section {
  background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
  color: var(--white);
}
.distributor-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem; margin-bottom: 4rem;
}
.step-item {
  text-align: center; padding: 2rem;
  background: var(--white); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.step-number {
  width: 50px; height: 50px; background: var(--accent);
  color: var(--dark); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; font-weight: 800; margin: 0 auto 1rem;
}
.step-item h4 { color: var(--secondary); margin-bottom: 0.75rem; font-size: 1.15rem; }
.step-item p { color: var(--gray); margin: 0; font-size: 0.95rem; line-height: 1.6; }
.distributor-section .step-item {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(4px); box-shadow: none;
}
.distributor-section .step-item h4 { color: var(--white); }
.distributor-section .step-item p { color: rgba(255,255,255,0.85); }

.distributor-benefits {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.benefit-item { display: flex; gap: 1rem; align-items: flex-start; }
.benefit-item svg {
  width: 24px; height: 24px; color: var(--accent);
  flex-shrink: 0; margin-top: 0.25rem;
}
.benefit-item h4 { color: var(--white); margin-bottom: 0.5rem; }
.benefit-item p {
  color: rgba(255,255,255,0.85); margin: 0; font-size: 0.9rem;
}

/* ─── Contact Section ─── */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.2fr;
  gap: 3rem; align-items: start;
}
.contact-info h3,
.contact-form-wrapper h3 { margin-bottom: 1.5rem; color: var(--secondary); }
.contact-item {
  display: flex; gap: 1rem; margin-bottom: 1.5rem; align-items: flex-start;
}
.contact-item svg {
  width: 24px; height: 24px; color: var(--primary);
  flex-shrink: 0; margin-top: 0.25rem;
}
.contact-icon-round {
  width: 44px; height: 44px; background: var(--primary);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-icon-round svg { width: 20px; height: 20px; }
.contact-item strong { display: block; color: var(--secondary); margin-bottom: 0.25rem; }
.contact-item a { color: var(--dark); }
.contact-item a:hover { color: var(--primary); }
.contact-item span { color: var(--gray); }

.contact-social {
  margin-top: 2rem; padding: 1.5rem;
  background: var(--white); border-radius: var(--radius-lg);
}
.contact-social h4 { margin-bottom: 1rem; }
.social-links { display: flex; gap: 1rem; flex-wrap: wrap; }
.social-link {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.75rem 1.25rem; border-radius: var(--radius-md);
  color: var(--white); font-weight: 600;
}
.social-link svg { width: 20px; height: 20px; }

/* ─── Forms ─── */
.contact-form {
  background: var(--white); padding: 2rem;
  border-radius: var(--radius-lg); box-shadow: var(--shadow-md);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block; margin-bottom: 0.5rem; font-weight: 500; color: var(--secondary);
}
.required { color: var(--primary); }
.form-control {
  width: 100%; padding: 0.875rem 1rem;
  border: 1px solid var(--gray-light); border-radius: var(--radius-md);
  font-size: 1rem; font-family: inherit; transition: var(--transition);
  background: var(--white);
}
.form-control:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(230,57,70,0.1);
}
textarea.form-control { min-height: 140px; resize: vertical; }
.form-privacy { text-align: center; color: var(--gray); font-size: 0.85rem; margin-top: 1rem; margin-bottom: 0; }

.form-message {
  padding: 1rem; border-radius: var(--radius-md); margin-bottom: 1rem; display: none;
}
.form-message.error {
  display: block; background: #fee; color: #c33; border: 1px solid #fcc;
}
.form-message.success {
  display: block; background: #efe; color: #363; border: 1px solid #cfc;
}

/* ─── CTA Section ─── */
.cta-section {
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  color: var(--white); text-align: center; padding: 4rem 1rem;
}
.cta-section h2 { color: var(--white); font-size: 2rem; margin-bottom: 0.5rem; }
.cta-section p { font-size: 1.1rem; opacity: 0.9; margin-bottom: 2rem; color: rgba(255,255,255,0.9); }

/* ─── Footer ─── */
.site-footer {
  background: var(--secondary); color: rgba(255,255,255,0.85);
  padding: 4rem 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem; margin-bottom: 3rem;
}
.footer-title { color: var(--white); font-size: 1.25rem; margin-bottom: 1rem; }
.footer-desc { color: rgba(255,255,255,0.75); font-size: 0.95rem; margin-bottom: 1.5rem; }
.footer-subtitle { color: var(--white); font-size: 1.1rem; margin-bottom: 1.25rem; }
.footer-links li,
.footer-contact li { margin-bottom: 0.75rem; }
.footer-links a { color: rgba(255,255,255,0.8); }
.footer-links a:hover { color: var(--accent); padding-left: 0.25rem; }
.footer-contact { display: flex; flex-direction: column; gap: 1rem; }
.footer-contact li {
  display: flex; gap: 0.75rem; align-items: flex-start; margin: 0;
}
.footer-contact svg {
  width: 18px; height: 18px; color: var(--accent);
  flex-shrink: 0; margin-top: 0.2rem;
}
.footer-contact a { color: rgba(255,255,255,0.85); }
.footer-contact a:hover { color: var(--accent); }

.footer-social { display: flex; gap: 0.75rem; }
.footer-social a {
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,0.1); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.footer-social a:hover { background: var(--primary); transform: translateY(-3px); }
.footer-social svg { width: 18px; height: 18px; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 1.5rem 0; text-align: center;
  font-size: 0.875rem; color: rgba(255,255,255,0.6);
}
.footer-bottom a { color: rgba(255,255,255,0.6); }
.footer-bottom a:hover { color: var(--accent); }

/* ─── Floating Buttons ─── */
.float-buttons {
  position: fixed; right: 1.5rem; bottom: 1.5rem;
  z-index: 999; display: flex; flex-direction: column; gap: 0.75rem;
}
.float-btn {
  width: 52px; height: 52px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--white); box-shadow: var(--shadow-lg);
  transition: var(--transition); position: relative;
}
.float-btn:hover { transform: scale(1.1); }
.float-btn svg { width: 24px; height: 24px; }

.float-btn-label {
  position: absolute; right: 60px;
  background: var(--dark); color: var(--white);
  padding: 0.4rem 0.75rem; border-radius: var(--radius-sm);
  font-size: 0.8rem; white-space: nowrap;
  opacity: 0; visibility: hidden; transition: var(--transition);
}
.float-btn:hover .float-btn-label { opacity: 1; visibility: visible; }

.float-phone { background: var(--primary); }
.float-wechat { background: var(--wechat); }
.float-whatsapp { background: var(--whatsapp); }
.float-facebook { background: var(--facebook); }
.float-email { background: var(--secondary-light); }
.float-inquiry { background: var(--primary); }
.float-top { background: var(--gray); opacity: 0; visibility: hidden; transition: var(--transition); }
.float-top.visible { opacity: 1; visibility: visible; }

/* ─── WeChat QR Modal ─── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  z-index: 2000; display: none; align-items: center; justify-content: center;
  padding: 1rem;
}
.modal-overlay.active { display: flex; }
.modal-content {
  background: var(--white); border-radius: var(--radius-lg);
  padding: 2rem; max-width: 360px; width: 100%;
  text-align: center; position: relative;
}
.modal-close {
  position: absolute; top: 1rem; right: 1rem;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--light); display: flex; align-items: center; justify-content: center;
  color: var(--gray);
}
.modal-close:hover { background: var(--primary); color: var(--white); }
.modal-content h4 { margin-bottom: 1rem; }
.qr-placeholder {
  aspect-ratio: 1; background: var(--light);
  border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center;
  color: var(--gray); margin-bottom: 1rem;
  border: 2px dashed var(--gray-light);
}
.qr-placeholder svg { width: 80px; height: 80px; opacity: 0.5; }

.page-hero h1 { max-width: 900px; margin-left: auto; margin-right: auto; }

/* ─── Thanks Page ─── */
.thanks-section {
  text-align: center; padding: 6rem 0;
}
.thanks-icon {
  width: 80px; height: 80px; background: rgba(46,125,50,0.1);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.5rem;
}
.thanks-icon svg { width: 40px; height: 40px; color: var(--success); }
.thanks-card {
  max-width: 500px; margin: 0 auto;
  background: var(--white); padding: 2.5rem;
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
}

/* ─── Utility Classes ─── */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-white { color: var(--white); }
.highlight { color: var(--accent); }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-0 { margin-bottom: 0; }
.visible { opacity: 1 !important; visibility: visible !important; }

/* ─── Animations ─── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in-up { animation: fadeInUp 0.8s ease forwards; }

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 3rem;
    --header-height: 70px;
  }

  .top-bar-left span { display: none; }

  .mobile-menu-toggle { display: flex; }

  .main-nav {
    position: fixed; top: var(--header-height); left: 0; right: 0; bottom: 0;
    background: var(--white); flex-direction: column; align-items: stretch;
    padding: 2rem; gap: 0;
    transform: translateX(100%); transition: transform 0.3s ease;
    overflow-y: auto; z-index: 999;
  }
  .main-nav.active { transform: translateX(0); }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-list > li > a {
    padding: 1rem 0; border-bottom: 1px solid var(--gray-light);
    justify-content: space-between;
  }
  .dropdown-menu {
    position: static; opacity: 1; visibility: hidden;
    transform: none; box-shadow: none; border: none;
    border-left: 3px solid var(--primary); border-radius: 0;
    display: none; padding-left: 1rem; max-height: 0;
    transition: max-height 0.3s ease;
  }
  .has-dropdown.dropdown-open .dropdown-menu {
    visibility: visible; display: block; max-height: 300px;
  }
  .header-cta { margin: 1.5rem 0 0; }
  .header-cta .btn { width: 100%; }

  .carousel { min-height: 500px; }
  .carousel-wrapper { height: 500px; }
  .carousel-content { padding: 3rem 0; }
  .carousel-arrow { display: none; }
  .carousel-dots { bottom: 1.5rem; }

  .stats-grid { flex-direction: column; gap: 1.5rem; }
  .stats-grid .stat-item + .stat-item { border-left: none; border-top: 1px solid var(--gray-light); padding-top: 1rem; }

  .contact-grid,
  .product-detail-grid,
  .about-profile-grid,
  .footer-grid { grid-template-columns: 1fr; }

  .form-row { grid-template-columns: 1fr; }

  .float-buttons { right: 1rem; bottom: 1rem; }
  .float-btn { width: 46px; height: 46px; }
  .float-btn svg { width: 20px; height: 20px; }
}

@media (max-width: 480px) {
  .carousel-btns { flex-direction: column; }
  .carousel-btns .btn { width: 100%; }
  .product-specs-mini { grid-template-columns: 1fr; }
}