/* =============================================
   深圳市华锐达包装制品有限公司 - 官方网站样式
   ============================================= */

:root {
  --primary: #c0181e;
  --primary-dark: #8b0d12;
  --primary-light: #e83030;
  --gold: #c9922a;
  --gold-light: #e8b84b;
  --dark: #1a1a1a;
  --dark-2: #333;
  --gray: #666;
  --gray-light: #999;
  --border: #e0e0e0;
  --bg: #f8f7f5;
  --bg-dark: #111;
  --white: #fff;
  --shadow: 0 4px 20px rgba(0,0,0,.1);
  --shadow-hover: 0 8px 32px rgba(0,0,0,.18);
  --radius: 4px;
  --transition: all .3s cubic-bezier(.4,0,.2,1);
}

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

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

body {
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: var(--dark-2);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

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

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #f1f1f1; }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* ===== TOP BAR ===== */
.topbar {
  background: var(--dark);
  color: rgba(255,255,255,.7);
  font-size: 13px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,.05);
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; }
.topbar a:hover { color: var(--gold); }
.topbar-left span { margin-right: 24px; }
.topbar-left span i { margin-right: 6px; color: var(--gold); }
.topbar-right a { margin-left: 16px; font-size: 12px; }

/* ===== HEADER ===== */
.site-header {
  background: var(--white);
  box-shadow: 0 2px 12px rgba(0,0,0,.08);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}
.site-header.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,.14); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 0;
  height: 72px;
}

.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-icon {
  width: 48px;
  height: 48px;
  background: var(--primary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 22px;
  font-weight: 900;
  font-family: 'Noto Serif SC', serif;
  letter-spacing: -1px;
  box-shadow: 0 2px 8px rgba(192,24,30,.3);
}
.logo-text { line-height: 1.2; }
.logo-text .cn { font-size: 17px; font-weight: 700; color: var(--dark); letter-spacing: .5px; }
.logo-text .en { font-size: 11px; color: var(--gray); letter-spacing: 1px; text-transform: uppercase; }

/* ===== NAV ===== */
.main-nav ul { display: flex; gap: 0; align-items: center; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
  display: block;
  padding: 0 20px;
  height: 72px;
  line-height: 72px;
  font-size: 15px;
  color: var(--dark-2);
  font-weight: 500;
  white-space: nowrap;
  position: relative;
}
.main-nav > ul > li > a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--primary);
  transition: var(--transition);
}
.main-nav > ul > li:hover > a::after,
.main-nav > ul > li.active > a::after { width: 80%; }
.main-nav > ul > li:hover > a,
.main-nav > ul > li.active > a { color: var(--primary); }

/* Dropdown */
.dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  min-width: 160px;
  background: var(--white);
  box-shadow: 0 8px 32px rgba(0,0,0,.14);
  border-top: 2px solid var(--primary);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 100;
}
.main-nav > ul > li:hover .dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.dropdown li a {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  color: var(--dark-2);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.dropdown li:last-child a { border-bottom: none; }
.dropdown li a:hover { color: var(--primary); background: #fef5f5; padding-left: 26px; }

.header-phone {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--primary);
  color: var(--white);
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
}
.header-phone:hover { background: var(--primary-dark); transform: translateY(-1px); }
.header-phone i { font-size: 16px; }

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== SECTION TITLES ===== */
.section-header { text-align: center; margin-bottom: 52px; }
.section-tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--primary);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-title {
  font-family: 'Noto Serif SC', serif;
  font-size: 36px;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.2;
  margin-bottom: 14px;
}
.section-subtitle {
  font-size: 15px;
  color: var(--gray);
  max-width: 560px;
  margin: 0 auto;
}
.section-divider {
  width: 48px;
  height: 3px;
  background: var(--primary);
  margin: 16px auto 0;
  position: relative;
}
.section-divider::after {
  content: '';
  position: absolute;
  right: -14px;
  top: 0;
  width: 8px;
  height: 3px;
  background: var(--gold);
}

/* ===== HERO SLIDER ===== */
.hero { position: relative; overflow: hidden; height: 600px; }
.hero-slides { display: flex; height: 100%; transition: transform .7s cubic-bezier(.77,0,.175,1); }
.hero-slide {
  min-width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
}
.hero-slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 8s ease;
}
.hero-slide.active .hero-slide-bg { transform: scale(1.05); }

.hero-slide-1 .hero-slide-bg { background: linear-gradient(135deg, #1a0a0a 0%, #4a0e0e 40%, #8b1a1a 70%, #c0181e 100%); }
.hero-slide-2 .hero-slide-bg { background: linear-gradient(135deg, #0d1a2a 0%, #1a3050 40%, #2a4a70 70%, #3a6090 100%); }
.hero-slide-3 .hero-slide-bg { background: linear-gradient(135deg, #1a1500 0%, #3a3000 40%, #6a5a00 70%, #9a8500 100%); }

.hero-slide-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.35);
}
.hero-pattern {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 30px,
    rgba(255,255,255,.02) 30px,
    rgba(255,255,255,.02) 31px
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  color: var(--white);
  max-width: 680px;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .8s ease .3s, transform .8s ease .3s;
}
.hero-slide.active .hero-content { opacity: 1; transform: translateY(0); }
.hero-content .tag {
  display: inline-block;
  background: var(--gold);
  color: var(--dark);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  letter-spacing: 2px;
  margin-bottom: 20px;
  border-radius: 2px;
}
.hero-content h1 {
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 18px;
  text-shadow: 0 2px 12px rgba(0,0,0,.3);
}
.hero-content p { font-size: 16px; opacity: .85; margin-bottom: 32px; line-height: 1.8; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--primary);
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius);
  transition: var(--transition);
  border: 2px solid transparent;
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(192,24,30,.4); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: transparent;
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  border: 2px solid rgba(255,255,255,.6);
  border-radius: var(--radius);
  transition: var(--transition);
}
.btn-outline:hover { background: rgba(255,255,255,.15); border-color: var(--white); }

.hero-nav {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}
.hero-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,.4);
  cursor: pointer;
  transition: var(--transition);
  border: none;
}
.hero-dot.active { background: var(--white); width: 28px; border-radius: 4px; }

.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 46px;
  height: 46px;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 50%;
  color: var(--white);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}
.hero-arrow:hover { background: var(--primary); border-color: var(--primary); }
.hero-arrow-prev { left: 24px; }
.hero-arrow-next { right: 24px; }

/* ===== PRODUCTS SECTION ===== */
.products-section { padding: 90px 0; background: var(--white); }
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.product-card {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  cursor: pointer;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.product-card-img {
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.product-card:hover .product-card-img img { transform: scale(1.08); }
.product-card:nth-child(1) .product-card-img { background: linear-gradient(135deg, #c0181e 0%, #e83030 100%); }
.product-card:nth-child(2) .product-card-img { background: linear-gradient(135deg, #6b4c11 0%, #a07530 100%); }
.product-card:nth-child(3) .product-card-img { background: linear-gradient(135deg, #1a4a8a 0%, #2d70c9 100%); }
.product-card:nth-child(4) .product-card-img { background: linear-gradient(135deg, #1a6a1a 0%, #2da02d 100%); }
.product-card:nth-child(5) .product-card-img { background: linear-gradient(135deg, #6a1a6a 0%, #a030a0 100%); }
.product-card:nth-child(6) .product-card-img { background: linear-gradient(135deg, #1a5a6a 0%, #2090a0 100%); }

.product-card-img-icon {
  font-size: 64px;
  opacity: .2;
  position: absolute;
  display: none;
}
.product-card-img-label {
  position: absolute;
  color: var(--white);
  font-family: 'Noto Serif SC', serif;
  font-size: 28px;
  font-weight: 700;
  z-index: 1;
  text-shadow: 0 2px 8px rgba(0,0,0,.3);
  display: none;
}
.product-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0);
  transition: var(--transition);
}
.product-card:hover .product-card-img::after { background: rgba(0,0,0,.15); }
.product-card-body {
  padding: 20px 22px;
  background: var(--white);
}
.product-card-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}
.product-card-desc {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.6;
  margin-bottom: 14px;
}
.product-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
}
.product-card-link:hover { gap: 10px; }

/* ===== PROCESS SECTION ===== */
.process-section {
  padding: 90px 0;
  background: linear-gradient(135deg, #1a0505 0%, #3a0a0a 50%, #1a0505 100%);
  position: relative;
  overflow: hidden;
}
.process-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    0deg, transparent, transparent 40px,
    rgba(255,255,255,.02) 40px, rgba(255,255,255,.02) 41px
  ), repeating-linear-gradient(
    90deg, transparent, transparent 40px,
    rgba(255,255,255,.02) 40px, rgba(255,255,255,.02) 41px
  );
}
.process-section .section-title { color: var(--white); }
.process-section .section-tag { color: var(--gold); }
.process-section .section-subtitle { color: rgba(255,255,255,.6); }
.process-section .section-divider { background: var(--gold); }

.process-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  position: relative;
  z-index: 1;
}
.process-step {
  flex: 1;
  text-align: center;
  padding: 32px 16px;
  position: relative;
}
.process-step-num {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  border: 2px solid rgba(255,255,255,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  font-size: 28px;
  transition: var(--transition);
  position: relative;
  z-index: 1;
}
.process-step:hover .process-step-num {
  background: var(--primary);
  border-color: var(--primary);
  transform: scale(1.1);
}
.process-step-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
}
.process-step-subtitle {
  font-size: 11px;
  color: rgba(255,255,255,.4);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.process-arrow {
  color: rgba(255,255,255,.2);
  font-size: 20px;
  flex-shrink: 0;
}

/* ===== ABOUT SECTION ===== */
.about-section { padding: 100px 0; background: var(--bg); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-visual {
  position: relative;
  height: 480px;
  border-radius: 8px;
  overflow: hidden;
}
.about-visual-main {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #c0181e 0%, #8b0d12 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.about-visual-main::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(45deg, transparent, transparent 24px, rgba(255,255,255,.03) 24px, rgba(255,255,255,.03) 25px);
}
.about-visual-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 160px;
  height: 160px;
  background: var(--gold);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 2;
  box-shadow: 0 8px 32px rgba(0,0,0,.2);
}
.about-visual-badge .num {
  font-size: 48px;
  font-weight: 900;
  color: var(--dark);
  line-height: 1;
}
.about-visual-badge .unit { font-size: 16px; font-weight: 700; color: var(--dark); }
.about-visual-badge .label { font-size: 12px; color: rgba(0,0,0,.6); }

.about-text .pre-title {
  font-size: 12px;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.about-text h2 {
  font-family: 'Noto Serif SC', serif;
  font-size: 36px;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.2;
  margin-bottom: 20px;
}
.about-text p { color: var(--gray); line-height: 1.9; margin-bottom: 14px; font-size: 15px; }
.about-divider { width: 48px; height: 3px; background: var(--primary); margin: 22px 0; }
.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 24px 0 32px;
}
.about-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--dark-2);
}
.about-feature-icon {
  width: 32px;
  height: 32px;
  background: #fef0f0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 14px;
  flex-shrink: 0;
}

/* ===== STATS SECTION ===== */
.stats-section {
  padding: 70px 0;
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.stat-item {
  text-align: center;
  padding: 32px 20px;
  position: relative;
}
.stat-item + .stat-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  height: 60px;
  width: 1px;
  background: var(--border);
}
.stat-num {
  font-size: 52px;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 6px;
  font-family: 'Noto Serif SC', serif;
}
.stat-num sup { font-size: 22px; vertical-align: super; }
.stat-num sub { font-size: 22px; }
.stat-label { font-size: 14px; color: var(--gray); letter-spacing: .5px; }
.stat-en { font-size: 11px; color: var(--gray-light); letter-spacing: 2px; text-transform: uppercase; margin-top: 2px; }

/* ===== EQUIPMENT SECTION ===== */
.equipment-section { padding: 90px 0; background: var(--bg); }
.equipment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.equipment-card {
  background: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border-bottom: 3px solid transparent;
}
.equipment-card:hover { transform: translateY(-4px); border-bottom-color: var(--primary); }
.equipment-card-img {
  height: 140px;
  overflow: hidden;
  background: var(--bg);
}
.equipment-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.equipment-card:hover .equipment-card-img img { transform: scale(1.08); }
.equipment-card-body { padding: 18px 14px 16px; text-align: center; }
.equipment-name { font-size: 14px; font-weight: 700; color: var(--dark); margin-bottom: 6px; }
.equipment-desc { font-size: 12px; color: var(--gray); line-height: 1.5; }

/* ===== WHY US SECTION ===== */
.whyus-section {
  padding: 90px 0;
  background: var(--white);
}
.whyus-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.whyus-card {
  padding: 36px 28px;
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.whyus-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--border);
  transition: var(--transition);
}
.whyus-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.whyus-card:hover::before { background: var(--primary); }
.whyus-card-num {
  font-size: 52px;
  font-weight: 900;
  color: #f0f0f0;
  line-height: 1;
  margin-bottom: 14px;
  font-family: 'Noto Serif SC', serif;
}
.whyus-card-icon {
  width: 52px;
  height: 52px;
  background: #fef0f0;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--primary);
  margin-bottom: 18px;
  transition: var(--transition);
}
.whyus-card:hover .whyus-card-icon { background: var(--primary); color: var(--white); }
.whyus-card-title { font-size: 18px; font-weight: 700; color: var(--dark); margin-bottom: 10px; }
.whyus-card-desc { font-size: 14px; color: var(--gray); line-height: 1.7; }

/* ===== CASES SECTION ===== */
.cases-section { padding: 90px 0; background: var(--bg); }
.cases-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.cases-tab {
  padding: 9px 22px;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid var(--border);
  color: var(--gray);
  background: var(--white);
}
.cases-tab.active, .cases-tab:hover { background: var(--primary); color: var(--white); border-color: var(--primary); }
.cases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.case-card {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}
.case-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.case-card-img {
  height: 200px;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}
.case-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.case-card:hover .case-card-img img { transform: scale(1.08); }

.case-card-img-inner {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  opacity: .25;
  color: var(--white);
  display: none;
}
.case-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}
.case-card:hover .case-card-overlay { opacity: 1; }
.case-card-overlay span {
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  border: 2px solid rgba(255,255,255,.6);
  padding: 8px 20px;
  border-radius: var(--radius);
}
.case-card-body { padding: 16px 18px; background: var(--white); }
.case-card-title { font-size: 14px; font-weight: 600; color: var(--dark); }
.case-card-tag { font-size: 12px; color: var(--gray-light); margin-top: 4px; }

/* ===== INQUIRY BANNER ===== */
.inquiry-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  position: relative;
  overflow: hidden;
}
.inquiry-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(45deg, transparent, transparent 30px, rgba(255,255,255,.03) 30px, rgba(255,255,255,.03) 31px);
}
.inquiry-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.inquiry-text h2 {
  font-family: 'Noto Serif SC', serif;
  font-size: 36px;
  color: var(--white);
  font-weight: 700;
  margin-bottom: 10px;
}
.inquiry-text p { color: rgba(255,255,255,.75); font-size: 15px; }
.inquiry-phone {
  font-size: 28px;
  font-weight: 900;
  color: var(--gold-light);
  margin-top: 10px;
  letter-spacing: 1px;
}
.inquiry-phone span { font-size: 16px; color: rgba(255,255,255,.6); }
.btn-gold {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: var(--gold);
  color: var(--dark);
  font-size: 16px;
  font-weight: 700;
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
}
.btn-gold:hover { background: var(--gold-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.2); }

/* ===== FOOTER ===== */
.site-footer {
  background: #111;
  color: rgba(255,255,255,.65);
}
.footer-main { padding: 70px 0 50px; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
}
.footer-brand .logo-text .cn { color: var(--white); }
.footer-brand .logo-text .en { color: rgba(255,255,255,.4); }
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  margin: 18px 0 24px;
  color: rgba(255,255,255,.5);
}
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.5);
  font-size: 15px;
  transition: var(--transition);
}
.footer-social a:hover { background: var(--primary); color: var(--white); }

.footer-col h4 {
  color: var(--white);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 13px;
  color: rgba(255,255,255,.5);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--gold); padding-left: 4px; }
.footer-links a i { font-size: 11px; color: var(--primary); }

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 13px;
  color: rgba(255,255,255,.5);
}
.footer-contact li i {
  width: 18px;
  color: var(--gold);
  margin-top: 2px;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: rgba(255,255,255,.3);
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom a { color: rgba(255,255,255,.3); }
.footer-bottom a:hover { color: var(--gold); }

/* ===== FLOAT BTNS ===== */
.float-btns {
  position: fixed;
  right: 20px;
  bottom: 80px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 500;
}
.float-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 4px 16px rgba(192,24,30,.3);
  cursor: pointer;
  transition: var(--transition);
  border: none;
}
.float-btn:hover { transform: scale(1.1); background: var(--primary-dark); }
.float-btn.top-btn { background: #333; }
.float-btn.top-btn:hover { background: #111; }
.float-btn.hidden { opacity: 0; pointer-events: none; }

/* ===== PAGE HERO (inner pages) ===== */
.page-hero {
  height: 260px;
  background: linear-gradient(135deg, #1a0505 0%, #3a0a0a 50%, #c0181e 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(45deg, transparent, transparent 30px, rgba(255,255,255,.02) 30px, rgba(255,255,255,.02) 31px);
}
.page-hero-content {
  position: relative;
  z-index: 1;
  color: var(--white);
}
.breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: rgba(255,255,255,.6);
  margin-bottom: 12px;
}
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb span { color: rgba(255,255,255,.4); }
.page-hero h1 {
  font-family: 'Noto Serif SC', serif;
  font-size: 40px;
  font-weight: 700;
  text-shadow: 0 2px 12px rgba(0,0,0,.2);
}
.page-hero p { font-size: 15px; opacity: .7; margin-top: 8px; }

/* ===== CONTACT PAGE ===== */
.contact-section { padding: 80px 0; background: var(--white); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px; }
.contact-info h3 {
  font-family: 'Noto Serif SC', serif;
  font-size: 26px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 14px;
}
.contact-info p { color: var(--gray); font-size: 15px; line-height: 1.8; margin-bottom: 32px; }
.contact-cards { display: flex; flex-direction: column; gap: 16px; }
.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 22px;
  background: var(--bg);
  border-radius: 8px;
  border-left: 3px solid var(--primary);
  transition: var(--transition);
}
.contact-card:hover { box-shadow: var(--shadow); transform: translateX(4px); }
.contact-card-icon {
  width: 44px;
  height: 44px;
  background: #fef0f0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 18px;
  flex-shrink: 0;
}
.contact-card-body .label { font-size: 12px; color: var(--gray-light); margin-bottom: 4px; }
.contact-card-body .value { font-size: 15px; font-weight: 600; color: var(--dark); }

.contact-form-wrap {
  background: var(--bg);
  border-radius: 12px;
  padding: 40px;
}
.contact-form-wrap h3 {
  font-family: 'Noto Serif SC', serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 24px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--dark-2); margin-bottom: 6px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--dark-2);
  background: var(--white);
  transition: var(--transition);
  font-family: inherit;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(192,24,30,.08); }
.form-group textarea { resize: vertical; min-height: 120px; }

.map-section { padding: 0 0 80px; background: var(--white); }
.map-container {
  height: 420px;
  background: linear-gradient(135deg, #e0e8f0, #c8d8e8);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--gray);
  position: relative;
  overflow: hidden;
}
.map-placeholder-text { text-align: center; z-index: 1; }
.map-placeholder-text i { font-size: 48px; color: var(--primary); display: block; margin-bottom: 12px; }

/* ===== ABOUT PAGE ===== */
.timeline { padding: 80px 0; background: var(--white); }
.timeline-list { position: relative; max-width: 800px; margin: 0 auto; }
.timeline-list::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
  transform: translateX(-50%);
}
.timeline-item {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  margin-bottom: 40px;
  align-items: start;
}
.timeline-item:nth-child(odd) .timeline-content { grid-column: 1; grid-row: 1; text-align: right; }
.timeline-item:nth-child(odd) .timeline-empty { grid-column: 3; }
.timeline-item:nth-child(even) .timeline-content { grid-column: 3; grid-row: 1; }
.timeline-item:nth-child(even) .timeline-empty { grid-column: 1; }
.timeline-dot {
  grid-column: 2;
  width: 14px;
  height: 14px;
  background: var(--primary);
  border-radius: 50%;
  border: 3px solid var(--white);
  box-shadow: 0 0 0 2px var(--primary);
  margin-top: 6px;
  flex-shrink: 0;
}
.timeline-year { font-size: 22px; font-weight: 900; color: var(--primary); margin-bottom: 4px; }
.timeline-title { font-size: 16px; font-weight: 700; color: var(--dark); margin-bottom: 6px; }
.timeline-desc { font-size: 13px; color: var(--gray); line-height: 1.6; }

/* ===== PRODUCT DETAIL PAGE ===== */
.product-list-section { padding: 70px 0; background: var(--white); }
.product-filter {
  display: flex;
  gap: 10px;
  margin-bottom: 40px;
  flex-wrap: wrap;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.filter-btn {
  padding: 8px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid var(--border);
  color: var(--gray);
  background: var(--white);
}
.filter-btn.active, .filter-btn:hover { background: var(--primary); color: var(--white); border-color: var(--primary); }
.product-list-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.product-list-card {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.product-list-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.product-list-card-img {
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 56px;
  color: rgba(255,255,255,.3);
  position: relative;
}
.product-list-card:nth-child(1) .product-list-card-img { background: linear-gradient(135deg, #c0181e, #e05050); }
.product-list-card:nth-child(2) .product-list-card-img { background: linear-gradient(135deg, #6b4c11, #a07530); }
.product-list-card:nth-child(3) .product-list-card-img { background: linear-gradient(135deg, #1a4a8a, #2d70c9); }
.product-list-card:nth-child(4) .product-list-card-img { background: linear-gradient(135deg, #1a6a1a, #2da02d); }
.product-list-card:nth-child(5) .product-list-card-img { background: linear-gradient(135deg, #6a1a6a, #a030a0); }
.product-list-card:nth-child(6) .product-list-card-img { background: linear-gradient(135deg, #1a5a6a, #2090a0); }
.product-list-card:nth-child(7) .product-list-card-img { background: linear-gradient(135deg, #5a1a00, #9a3a00); }
.product-list-card:nth-child(8) .product-list-card-img { background: linear-gradient(135deg, #1a1a5a, #3030a0); }
.product-list-card-body { padding: 18px 20px; background: var(--white); }
.product-list-card-title { font-size: 16px; font-weight: 700; color: var(--dark); margin-bottom: 6px; }
.product-list-card-desc { font-size: 13px; color: var(--gray); line-height: 1.6; margin-bottom: 14px; }
.product-list-card-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag-pill {
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 12px;
  background: #fef0f0;
  color: var(--primary);
  font-weight: 500;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.animate-fadeup { animation: fadeUp .7s ease forwards; }
[data-aos] { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s ease; }
[data-aos].aos-animate { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .equipment-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .product-list-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { height: 300px; }
  .process-steps { flex-wrap: wrap; }
  .process-arrow { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .whyus-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .topbar { display: none; }
  .main-nav { display: none; }
  .header-phone { display: none; }
  .mobile-menu-btn { display: flex; }
  .hero { height: 500px; }
  .section-title { font-size: 28px; }
  .products-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .equipment-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .inquiry-inner { flex-direction: column; text-align: center; }
  .whyus-grid { grid-template-columns: 1fr; }
  .product-list-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-content h1 { font-size: 28px; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
  .equipment-grid { grid-template-columns: 1fr 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .product-list-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===== MOBILE MENU ===== */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  bottom: 0;
  width: 280px;
  background: var(--white);
  z-index: 2000;
  box-shadow: -4px 0 24px rgba(0,0,0,.15);
  transition: right .35s cubic-bezier(.4,0,.2,1);
  overflow-y: auto;
}
.mobile-menu.open { right: 0; }
.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}
.mobile-menu-overlay.open { opacity: 1; visibility: visible; }
.mobile-menu-header {
  padding: 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mobile-menu-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 18px;
  border: none;
  transition: var(--transition);
}
.mobile-menu-close:hover { background: var(--primary); color: var(--white); }
.mobile-nav li a {
  display: block;
  padding: 14px 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--dark-2);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.mobile-nav li a:hover { color: var(--primary); background: #fef5f5; padding-left: 28px; }
.mobile-contact {
  padding: 24px 20px;
  background: var(--bg);
}
.mobile-contact p { font-size: 13px; color: var(--gray); margin-bottom: 4px; }
.mobile-contact a { display: block; font-size: 20px; font-weight: 700; color: var(--primary); }