/* =====================================================
   Orisun Machinery - Main Stylesheet
   Agricultural Parts B2B Website
   ===================================================== */

/* ---- CSS Variables ---- */
:root {
  --primary: #0F4C81;
  --primary-dark: #0a3560;
  --primary-light: #1a6bbf;
  --gray-dark: #333;
  --gray-mid: #666;
  --gray-light: #999;
  --gray-bg: #f5f6f8;
  --white: #ffffff;
  --border: #dde2ea;
  --jd-green: #367C2B;
  --case-red: #D2232A;
  --claas-yellow: #FFB800;
  --font-en: 'Segoe UI', Arial, 'Helvetica Neue', sans-serif;
  --radius: 4px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-hover: 0 6px 24px rgba(0,0,0,0.14);
  --transition: all 0.25s ease;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-en);
  color: var(--gray-dark);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ---- Utility ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 72px 0; }
.section-sm { padding: 48px 0; }
.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}
.section-sub {
  color: var(--gray-mid);
  font-size: 1.05rem;
  margin-bottom: 48px;
}
.text-center { text-align: center; }
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  letter-spacing: 0.3px;
}
.btn-primary {
  background: var(--primary);
  color: var(--white);
  border: 2px solid var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(15,76,129,0.3);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--primary);
}
.btn-sm { padding: 8px 18px; font-size: 0.88rem; }
.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 2px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* ============================================================
   HEADER / NAVIGATION
   ============================================================ */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 8px rgba(0,0,0,0.07);
  transition: var(--transition);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
/* Header Left: Logo + Search */
.header-left {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}
/* Header Right: Nav + Lang */
.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo img { height: 42px; width: auto; }
.logo-text { font-size: 1.18rem; font-weight: 700; color: var(--primary); letter-spacing: -0.3px; line-height: 1.2; }
.logo-text span { display: block; font-size: 0.72rem; font-weight: 400; color: var(--gray-light); letter-spacing: 0.5px; text-transform: uppercase; }

/* Main Nav */
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  padding: 8px 14px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--gray-dark);
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
}
.main-nav a:hover, .main-nav a.active {
  color: var(--primary);
  background: rgba(15,76,129,0.07);
}
.main-nav .nav-cta {
  background: var(--primary);
  color: var(--white);
  padding: 8px 18px;
}
.main-nav .nav-cta:hover { background: var(--primary-dark); }

/* Header Search Bar */
.header-search {
  display: flex;
  align-items: center;
  position: relative;
}
.header-search input {
  width: 280px;
  height: 42px;
  padding: 0 42px 0 14px;
  border: 2px solid #0F4C81;
  border-radius: 24px;
  font-size: 0.9rem;
  color: #333;
  background: #fff;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.header-search input::placeholder { color: #888; font-size: 0.85rem; }
.header-search input:focus {
  border-color: #003366;
  box-shadow: 0 0 0 3px rgba(15,76,129,0.15);
  background: #fff;
}
.header-search .search-btn {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  border: none;
  background: none;
  cursor: pointer;
  color: #0F4C81;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

/* Dropdown */
.nav-item { position: relative; }
.nav-item:hover .dropdown { display: block; }
.dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
  z-index: 100;
  padding: 6px 0;
}
.dropdown a {
  display: block;
  padding: 9px 18px;
  font-size: 0.9rem;
  border-radius: 0;
}
.dropdown a:hover { background: var(--gray-bg); color: var(--primary); }

/* Language Switcher */
.lang-switch {
  display: flex;
  gap: 4px;
  align-items: center;
  margin-left: 16px;
}
.lang-switch button {
  padding: 5px 9px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gray-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  transition: var(--transition);
}
.lang-switch button.active, .lang-switch button:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: rgba(15,76,129,0.06);
}

/* Mobile Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================================
   HERO BANNER
   ============================================================ */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, rgba(10,53,96,0.75) 0%, rgba(15,76,129,0.65) 100%),
              url('../images/hero-bg.png') center/cover no-repeat;
  display: flex;
  align-items: center;
  padding-top: 68px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 60px;
  background: linear-gradient(to top, var(--white), transparent);
}
.hero-content { position: relative; z-index: 1; max-width: 760px; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.9);
  margin-bottom: 20px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}
.hero-eyebrow::before {
  content: '';
  width: 8px; height: 8px;
  background: #4ade80;
  border-radius: 50%;
  flex-shrink: 0;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1px;
}
.hero h1 em { color: var(--claas-yellow); font-style: normal; }
.hero-sub {
  font-size: 1.12rem;
  color: rgba(255,255,255,0.82);
  margin-bottom: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
}
.hero-sub .pipe { color: rgba(255,255,255,0.3); }
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}
.hero-badge {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 3px;
  padding: 6px 14px;
  font-size: 0.88rem;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-badge i { color: var(--claas-yellow); font-size: 1rem; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-scroll {
  position: absolute;
  bottom: 80px;
  right: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.5);
  font-size: 0.75rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.hero-scroll::after {
  content: '';
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
}

/* ============================================================
   ADVANTAGES / FEATURES
   ============================================================ */
.advantages { background: var(--white); }
.adv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.adv-card {
  background: var(--gray-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}
.adv-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.adv-icon {
  width: 64px; height: 64px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: rgba(15,76,129,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}
.adv-icon img { width: 36px; height: 36px; object-fit: contain; }
.adv-icon svg { width: 32px; height: 32px; }
.adv-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 6px;
}
.adv-label {
  font-size: 0.88rem;
  color: var(--gray-mid);
  font-weight: 500;
}

/* ============================================================
   BRAND CATEGORIES
   ============================================================ */
.brands { background: var(--gray-bg); }
.brand-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.brand-card {
  border-radius: 6px;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow);
  transition: var(--transition);
  cursor: pointer;
  display: block;
}
.brand-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.brand-thumb {
  height: 220px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.brand-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 60%);
}
.brand-thumb-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 20px;
  z-index: 1;
  color: var(--white);
}
.brand-thumb-overlay h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 4px; }
.brand-thumb-overlay .count { font-size: 0.82rem; opacity: 0.8; }
.brand-body {
  background: var(--white);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand-tag { font-size: 0.8rem; color: var(--gray-mid); }
.brand-jd .brand-thumb { background-color: var(--jd-green); }
.brand-case .brand-thumb { background-color: var(--case-red); }
.brand-claas .brand-thumb { background-color: var(--claas-yellow); }
.brand-jd .btn-primary { background: var(--jd-green); border-color: var(--jd-green); }
.brand-case .btn-primary { background: var(--case-red); border-color: var(--case-red); }
.brand-claas .btn-primary { background: #c9940a; border-color: #c9940a; color: #fff; }

/* ============================================================
   PART TYPES
   ============================================================ */
.part-types { background: var(--white); }
.type-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.type-card {
  background: var(--gray-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
}
.type-card:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.type-card:hover .type-count { color: rgba(255,255,255,0.7); }
.type-icon {
  font-size: 2.2rem;
  margin-bottom: 10px;
  display: block;
}
.type-name { font-size: 0.95rem; font-weight: 600; margin-bottom: 4px; }
.type-count { font-size: 0.8rem; color: var(--gray-light); }

/* ============================================================
   FACTORY STRENGTH
   ============================================================ */
.factory { background: var(--gray-bg); }
.factory-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.factory-img {
  border-radius: 6px;
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  position: relative;
}
.factory-img img { width: 100%; height: 360px; object-fit: cover; }
.cert-row {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.cert-badge {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 6px;
}
.factory-text h2 { font-size: 1.8rem; margin-bottom: 16px; }
.factory-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 28px 0;
}
.stat-box {
  background: var(--white);
  border-left: 3px solid var(--primary);
  padding: 16px;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.stat-box .num { font-size: 1.8rem; font-weight: 800; color: var(--primary); line-height: 1; }
.stat-box .label { font-size: 0.82rem; color: var(--gray-mid); margin-top: 4px; }

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials { background: var(--white); }
.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testi-card {
  background: var(--gray-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
}
.testi-card::before {
  content: '"';
  position: absolute;
  top: 16px; right: 24px;
  font-size: 4rem;
  color: var(--primary);
  opacity: 0.12;
  font-family: Georgia, serif;
  line-height: 1;
}
.testi-stars { color: var(--claas-yellow); font-size: 0.9rem; margin-bottom: 12px; }
.testi-text { font-size: 0.92rem; color: var(--gray-mid); line-height: 1.7; margin-bottom: 20px; font-style: italic; }
.testi-author { display: flex; align-items: center; gap: 12px; }
.testi-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.1rem;
  font-weight: 700;
  flex-shrink: 0;
}
.testi-name { font-weight: 600; font-size: 0.92rem; }
.testi-role { font-size: 0.8rem; color: var(--gray-light); }
.testi-flag { font-size: 1.2rem; }

/* ============================================================
   INQUIRY CTA
   ============================================================ */
.inquiry-cta {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
  color: var(--white);
  padding: 80px 0;
}
.inquiry-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}
.inquiry-left h2 { font-size: 2rem; margin-bottom: 14px; }
.inquiry-left p { color: rgba(255,255,255,0.8); font-size: 1rem; margin-bottom: 24px; }
.inquiry-contacts { display: flex; flex-direction: column; gap: 10px; }
.contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: rgba(255,255,255,0.85);
}
.contact-icon {
  width: 32px; height: 32px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.85rem;
}
.inquiry-form {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 6px;
  padding: 32px;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1/-1; }
.form-group label { font-size: 0.82rem; color: rgba(255,255,255,0.7); font-weight: 500; }
.form-group input,
.form-group textarea,
.form-group select {
  padding: 10px 14px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.08);
  color: var(--white);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.4); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.12);
}
.form-group textarea { resize: vertical; min-height: 90px; }
.form-submit {
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}
.form-note { font-size: 0.78rem; color: rgba(255,255,255,0.5); }
.btn-submit {
  background: var(--claas-yellow);
  color: var(--gray-dark);
  border: none;
  padding: 12px 32px;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius);
  transition: var(--transition);
}
.btn-submit:hover { background: #e0a400; transform: translateY(-1px); box-shadow: 0 4px 14px rgba(0,0,0,0.2); }
.form-success {
  display: none;
  text-align: center;
  padding: 24px;
  color: #4ade80;
  font-size: 1rem;
  font-weight: 600;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: #0d1b2a;
  color: rgba(255,255,255,0.75);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo-text { color: var(--white); margin-bottom: 14px; }
.footer-brand p { font-size: 0.88rem; line-height: 1.7; color: rgba(255,255,255,0.55); margin-bottom: 18px; }
.footer-contact-item {
  display: flex;
  gap: 10px;
  font-size: 0.85rem;
  margin-bottom: 8px;
  align-items: flex-start;
}
.footer-contact-item .ic { color: var(--primary-light); flex-shrink: 0; margin-top: 2px; }
.footer-heading {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 18px;
}
.footer-links li { margin-bottom: 9px; }
.footer-links a { font-size: 0.88rem; color: rgba(255,255,255,0.55); transition: var(--transition); }
.footer-links a:hover { color: var(--white); padding-left: 4px; }
.footer-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.footer-badge {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 6px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
}
.footer-bottom {
  padding: 18px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.35); }
.footer-payment { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.payment-label { font-size: 0.75rem; color: rgba(255,255,255,0.35); }
.payment-icon {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 3px;
  padding: 4px 10px;
  font-size: 0.78rem;
  font-weight: 700;
  color: rgba(255,255,255,0.6);
}

/* ============================================================
   PAGE HERO (Inner Pages)
   ============================================================ */
.page-hero {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: var(--white);
  padding: 60px 0 32px;
  text-align: center;
}
.page-hero h1 { font-size: 1.8rem; font-weight: 800; margin-bottom: 10px; }
.page-hero p { color: rgba(255,255,255,0.75); font-size: 0.9rem; max-width: 600px; margin: 0 auto 16px; }
.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
}
.breadcrumb a { color: rgba(255,255,255,0.7); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb .sep { opacity: 0.4; }

/* ============================================================
   PRODUCT LIST PAGE
   ============================================================ */
.product-list { background: var(--white); }
.filter-bar {
  background: var(--gray-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 28px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}
.filter-bar .filter-label { font-size: 0.88rem; font-weight: 600; color: var(--gray-mid); margin-right: 4px; }
.filter-btn {
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 0.82rem;
  background: var(--white);
  color: var(--gray-mid);
  transition: var(--transition);
}
.filter-btn.active, .filter-btn:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}
.product-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); border-color: var(--primary); cursor: pointer; }
.product-thumb {
  height: 180px;
  background: var(--gray-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.product-thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-brand-tag {
  position: absolute;
  top: 10px; left: 10px;
  padding: 3px 8px;
  border-radius: 2px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--white);
}
.tag-jd { background: var(--jd-green); }
.tag-case { background: var(--case-red); }
.tag-claas { background: var(--claas-yellow); color: var(--gray-dark); }
.product-body { padding: 14px 16px; }
.product-oem { font-size: 0.78rem; color: var(--gray-light); margin-bottom: 4px; font-family: 'Courier New', monospace; }
.product-name { font-size: 0.95rem; font-weight: 600; color: var(--gray-dark); margin-bottom: 8px; line-height: 1.35; }
.product-meta { display: flex; justify-content: space-between; align-items: center; margin-top: 12px; }
.product-status { font-size: 0.78rem; color: var(--jd-green); font-weight: 600; display: flex; align-items: center; gap: 4px; }
.product-status::before { content: ''; width: 6px; height: 6px; background: currentColor; border-radius: 50%; }

/* ============================================================
   PRODUCT DETAIL PAGE
   ============================================================ */
.product-detail { background: var(--white); padding: 60px 0; }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.gallery-main {
  background: var(--gray-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumbs { display: flex; gap: 10px; margin-top: 12px; }
.gallery-thumb {
  width: 72px; height: 72px;
  background: var(--gray-bg);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
}
.gallery-thumb.active, .gallery-thumb:hover { border-color: var(--primary); }
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }

.product-info h1 { font-size: 1.7rem; font-weight: 700; color: var(--gray-dark); margin-bottom: 8px; }
.product-info .oem-label { font-size: 0.82rem; color: var(--gray-mid); margin-bottom: 16px; }
.product-info .oem-label span { font-family: 'Courier New', monospace; color: var(--primary); font-weight: 600; }
.spec-table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 0.9rem; }
.spec-table tr { border-bottom: 1px solid var(--border); }
.spec-table td { padding: 10px 14px; }
.spec-table td:first-child { color: var(--gray-mid); width: 40%; background: var(--gray-bg); font-weight: 500; }
.spec-table td:last-child { color: var(--gray-dark); }
.warranty-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(54,124,43,0.07);
  border: 1px solid rgba(54,124,43,0.2);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin: 16px 0;
  font-size: 0.88rem;
  color: var(--jd-green);
  font-weight: 600;
}
.detail-inquiry { background: var(--gray-bg); border-radius: var(--radius); padding: 24px; margin-top: 24px; }
.detail-inquiry h3 { font-size: 1rem; font-weight: 700; margin-bottom: 16px; color: var(--primary); }
.related-products { padding: 60px 0; background: var(--gray-bg); }

/* ============================================================
   OEM SEARCH PAGE
   ============================================================ */
.oem-search-hero {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: var(--white);
  padding: 100px 0 80px;
  text-align: center;
}
.oem-search-hero h1 { font-size: 2.4rem; font-weight: 800; margin-bottom: 12px; }
.oem-search-hero p { color: rgba(255,255,255,0.75); margin-bottom: 36px; }
.search-box {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  gap: 0;
}
.search-input {
  flex: 1;
  padding: 16px 20px;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius) 0 0 var(--radius);
  outline: none;
  color: var(--gray-dark);
}
.search-btn {
  padding: 16px 28px;
  background: var(--claas-yellow);
  color: var(--gray-dark);
  font-weight: 700;
  font-size: 0.95rem;
  border: none;
  border-radius: 0 var(--radius) var(--radius) 0;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.search-btn:hover { background: #e0a400; }
.oem-examples { margin-top: 16px; font-size: 0.82rem; color: rgba(255,255,255,0.6); }
.oem-examples span { color: rgba(255,255,255,0.85); margin: 0 4px; }
.search-results { padding: 60px 0; min-height: 300px; }
.result-section-title { font-size: 1.1rem; font-weight: 600; color: var(--gray-mid); margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.result-section-title .badge { background: var(--primary); color: var(--white); border-radius: 20px; padding: 2px 10px; font-size: 0.78rem; }
.no-result {
  text-align: center;
  padding: 60px;
  color: var(--gray-light);
}
.no-result h3 { font-size: 1.3rem; margin-bottom: 10px; color: var(--gray-mid); }
.no-result p { font-size: 0.9rem; }

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-intro { background: var(--white); }
.about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.process-steps { padding: 72px 0; background: var(--gray-bg); }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.steps-grid::before {
  content: '';
  position: absolute;
  top: 30px; left: 60px; right: 60px;
  height: 2px;
  background: var(--border);
  z-index: 0;
}
.step-item { text-align: center; position: relative; z-index: 1; }
.step-num {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  font-size: 1.3rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  box-shadow: 0 4px 12px rgba(15,76,129,0.3);
}
.step-name { font-size: 0.9rem; font-weight: 600; margin-bottom: 6px; }
.step-desc { font-size: 0.8rem; color: var(--gray-light); }
.certs-section { background: var(--white); padding: 72px 0; }
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.cert-card {
  background: var(--gray-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
}
.cert-icon { font-size: 2.5rem; margin-bottom: 12px; }
.cert-name { font-size: 1rem; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.cert-desc { font-size: 0.82rem; color: var(--gray-mid); }

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-main { background: var(--white); padding: 72px 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; }
.contact-info h2 { font-size: 1.6rem; margin-bottom: 24px; }
.info-item {
  display: flex;
  gap: 14px;
  margin-bottom: 20px;
  align-items: flex-start;
}
.info-icon {
  width: 44px; height: 44px;
  background: rgba(15,76,129,0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1rem;
  flex-shrink: 0;
}
.info-label { font-size: 0.8rem; color: var(--gray-light); margin-bottom: 2px; }
.info-value { font-size: 0.95rem; font-weight: 500; color: var(--gray-dark); }
.info-value a:hover { color: var(--primary); }
.map-placeholder {
  background: var(--gray-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 24px;
  color: var(--gray-light);
  font-size: 0.88rem;
  text-align: center;
}
.contact-form-wrap { background: var(--gray-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 36px; }
.contact-form-wrap h2 { font-size: 1.4rem; margin-bottom: 24px; color: var(--primary); }
.form-group-light { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group-light label { font-size: 0.82rem; font-weight: 600; color: var(--gray-mid); }
.form-group-light input,
.form-group-light textarea,
.form-group-light select {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: var(--gray-dark);
  outline: none;
  background: var(--white);
  transition: var(--transition);
}
.form-group-light input:focus,
.form-group-light textarea:focus { border-color: var(--primary); }
.form-group-light textarea { resize: vertical; min-height: 100px; }
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .brand-grid { grid-template-columns: 1fr 1fr; }
  .type-grid { grid-template-columns: repeat(4, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .inquiry-inner { grid-template-columns: 1fr; gap: 32px; }
  .factory-inner { gap: 36px; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid::before { display: none; }
}

@media (max-width: 768px) {
  .section { padding: 52px 0; }
  .section-title { font-size: 1.6rem; }
  .main-nav, .lang-switch, .header-search { display: none; }
  .header-left { display: none; }
  .menu-toggle { display: flex; }
  .header-right {
    display: none;
    flex-direction: column;
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 16px 20px;
    gap: 4px;
    z-index: 999;
  }
  .header-right.open { display: flex; }
  .header-right .lang-switch { display: flex; padding: 8px 14px; }
  .header-right .header-search { display: flex !important; padding: 8px 0; }
  .header-right .header-search input { width: 200px; }
  .header-right .main-nav { display: flex !important; flex-direction: column; }
  .hero h1 { font-size: 1.8rem; }
  .hero-sub { font-size: 0.9rem; }
  .brand-grid { grid-template-columns: 1fr; }
  .type-grid { grid-template-columns: repeat(2, 1fr); }
  .testi-grid { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
  .about-inner { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .form-row-2 { grid-template-columns: 1fr; }
  .factory-inner { grid-template-columns: 1fr; }
  .factory-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .adv-grid { grid-template-columns: 1fr 1fr; }
  .type-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ============================================================
   SVG / INLINE ICONS
   ============================================================ */
.icon { display: inline-block; vertical-align: middle; }

/* Back to top */
.back-top {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 44px; height: 44px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow-hover);
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  z-index: 500;
}
.back-top.show { opacity: 1; pointer-events: auto; }
.back-top:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* Placeholder image style */
.img-placeholder {
  background: linear-gradient(135deg, #e0e7ef 0%, #c8d5e6 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--gray-light);
  font-size: 0.8rem;
  gap: 8px;
  width: 100%;
  height: 100%;
}
.img-placeholder svg { opacity: 0.3; }

/* Pagination */
.product-pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0;
  border-top: 1px solid #e2e8f0;
  margin-top: 32px;
}
.pagination-info {
  font-size: 0.9rem;
  color: #64748b;
  font-weight: 500;
}
.pagination-controls {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.pagination-controls button {
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border: 1.5px solid #e2e8f0;
  background: #fff;
  color: #475569;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}
.pagination-controls button:hover:not(:disabled) {
  border-color: #0F4C81;
  color: #0F4C81;
  background: #f0f8ff;
}
.pagination-controls button.active {
  background: #0F4C81;
  border-color: #0F4C81;
  color: #fff;
}
.pagination-controls button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.pagination-controls .page-ellipsis {
  color: #94a3b8;
  padding: 0 4px;
}
.jump-to {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 12px;
  padding-left: 12px;
  border-left: 1px solid #e2e8f0;
}
.jump-to label {
  font-size: 0.85rem;
  color: #64748b;
  white-space: nowrap;
}
.jump-to input {
  width: 56px;
  height: 36px;
  text-align: center;
  border: 1.5px solid #e2e8f0;
  border-radius: 6px;
  font-size: 0.88rem;
  color: #1e293b;
}
.jump-to input:focus {
  outline: none;
  border-color: #0F4C81;
}
.jump-to button {
  height: 36px;
  padding: 0 14px;
  background: #0F4C81;
  border: none;
  color: #fff;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}
.jump-to button:hover {
  background: #0d3d66;
}