:root {
  --primary-color: #1B3A5C;
  --secondary-color: #C8A96E;
  --background-color: #FDFBF7;
  --white: #FFFFFF;
  --text-dark: #333333;
  --text-gray: #666666;
  --text-light: #999999;
  --border-color: #E8E6E3;
  --shadow: 0 4px 20px rgba(27, 58, 92, 0.1);
  --shadow-hover: 0 8px 30px rgba(27, 58, 92, 0.15);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Microsoft YaHei', 'Source Han Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--background-color);
  overflow-x: hidden;
}

body.en {
  font-family: 'Montserrat', 'Source Han Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul, ol {
  list-style: none;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 100px 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 20px;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--secondary-color), var(--primary-color));
  margin: 20px auto 0;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-gray);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(253, 251, 247, 0.95);
  backdrop-filter: blur(10px);
  transition: var(--transition);
  border-bottom: 1px solid transparent;
}

.header.scrolled {
  background: rgba(253, 251, 247, 0.98);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 45px;
  height: 45px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 700;
}

.logo-text {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1.2;
}

.logo-text span {
  display: block;
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-gray);
}

.nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-list {
  display: flex;
  gap: 35px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-dark);
  position: relative;
  padding: 5px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--secondary-color);
  transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.lang-switch {
  display: flex;
  gap: 8px;
  font-size: 0.85rem;
}

.lang-btn {
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-gray);
}

.lang-btn.active,
.lang-btn:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--white);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 10px;
}

.mobile-menu-btn span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition);
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: linear-gradient(135deg, var(--primary-color) 0%, #0d1f33 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="%23C8A96E" opacity="0.1"/></svg>');
  background-size: 50px 50px;
  opacity: 0.5;
}

.hero-content {
  text-align: center;
  z-index: 1;
  padding: 0 20px;
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(200, 169, 110, 0.2);
  border: 1px solid var(--secondary-color);
  border-radius: 30px;
  color: var(--secondary-color);
  font-size: 0.9rem;
  margin-bottom: 30px;
  animation: fadeInDown 0.8s ease;
}

.hero-title {
  font-size: 4rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-title span {
  color: var(--secondary-color);
}

.hero-subtitle {
  font-size: 1.5rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 15px;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-slogan {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 50px;
  animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  animation: fadeInUp 0.8s ease 0.8s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 35px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 5px;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--secondary-color);
  color: var(--white);
  border-color: var(--secondary-color);
}

.btn-primary:hover {
  background: #b8975d;
  border-color: #b8975d;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(200, 169, 110, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}

.btn-secondary:hover {
  background: var(--white);
  color: var(--primary-color);
  transform: translateY(-2px);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

.hero-scroll a {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
}

.hero-scroll a span {
  margin-bottom: 10px;
}

.hero-scroll a svg {
  width: 24px;
  height: 24px;
  animation: scrollDown 1.5s infinite;
}

.categories {
  background: var(--white);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.category-card {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  height: 400px;
  cursor: pointer;
  transition: var(--transition);
}

.category-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
}

.category-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.category-card:hover img {
  transform: scale(1.1);
}

.category-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 40px 30px;
  background: linear-gradient(to top, rgba(27, 58, 92, 0.95), transparent);
  color: var(--white);
}

.category-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.category-desc {
  font-size: 0.95rem;
  opacity: 0.8;
  margin-bottom: 15px;
}

.category-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--secondary-color);
  font-size: 0.9rem;
  font-weight: 500;
}

.category-link svg {
  width: 16px;
  height: 16px;
  transition: var(--transition);
}

.category-card:hover .category-link svg {
  transform: translateX(5px);
}

.craftsmanship {
  background: var(--background-color);
}

.craftsmanship-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 60px;
}

.craftsmanship-intro h2 {
  font-size: 2.2rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.craftsmanship-intro p {
  font-size: 1.1rem;
  color: var(--text-gray);
  line-height: 1.8;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.step-card {
  text-align: center;
  padding: 30px 20px;
  background: var(--white);
  border-radius: 10px;
  position: relative;
  transition: var(--transition);
}

.step-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.step-number {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--secondary-color), #b8975d);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 auto 20px;
}

.step-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  background: var(--background-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.step-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--text-gray);
  line-height: 1.6;
}

.testimonials {
  background: var(--primary-color);
  position: relative;
  overflow: hidden;
}

.testimonials::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="%23C8A96E" opacity="0.05"/></svg>');
  background-size: 50px 50px;
}

.testimonials .section-title {
  color: var(--white);
}

.testimonials .section-title::after {
  background: var(--secondary-color);
}

.testimonials .section-subtitle {
  color: rgba(255, 255, 255, 0.7);
}

.testimonials-slider {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.testimonial-item {
  text-align: center;
  padding: 0 50px;
}

.testimonial-quote {
  font-size: 1.3rem;
  color: var(--white);
  line-height: 1.8;
  margin-bottom: 30px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
}

.testimonial-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--secondary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 700;
}

.testimonial-info h4 {
  font-size: 1.1rem;
  color: var(--white);
  margin-bottom: 5px;
}

.testimonial-info p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
}

.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 40px;
}

.testimonial-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: var(--transition);
}

.testimonial-dot.active,
.testimonial-dot:hover {
  background: var(--secondary-color);
}

.footer {
  background: #0d1f33;
  color: var(--white);
  padding: 80px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 60px;
}

.footer-about .logo {
  margin-bottom: 20px;
}

.footer-about .logo-text {
  color: var(--white);
}

.footer-about .logo-text span {
  color: rgba(255, 255, 255, 0.6);
}

.footer-about p {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
  margin-bottom: 25px;
}

.footer-social {
  display: flex;
  gap: 15px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--secondary-color);
  border-color: var(--secondary-color);
}

.footer-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 25px;
  color: var(--white);
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--secondary-color);
  padding-left: 5px;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 15px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
}

.footer-contact svg {
  width: 18px;
  height: 18px;
  color: var(--secondary-color);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}

.footer-bottom-links {
  display: flex;
  gap: 30px;
}

.footer-bottom-links a:hover {
  color: var(--secondary-color);
}

.page-header {
  background: linear-gradient(135deg, var(--primary-color) 0%, #0d1f33 100%);
  padding: 180px 0 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="%23C8A96E" opacity="0.1"/></svg>');
  background-size: 50px 50px;
}

.page-header h1 {
  font-size: 3rem;
  color: var(--white);
  margin-bottom: 15px;
  position: relative;
  z-index: 1;
}

.page-header p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
  position: relative;
  z-index: 1;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 30px;
  position: relative;
  z-index: 1;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

.breadcrumb a:hover {
  color: var(--secondary-color);
}

.breadcrumb span {
  color: var(--secondary-color);
}

.about-story {
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image {
  position: relative;
  height: 500px;
  border-radius: 10px;
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-image::after {
  content: '';
  position: absolute;
  top: 20px;
  left: 20px;
  right: -20px;
  bottom: -20px;
  border: 3px solid var(--secondary-color);
  border-radius: 10px;
  z-index: -1;
}

.about-content h2 {
  font-size: 2.2rem;
  color: var(--primary-color);
  margin-bottom: 25px;
}

.about-content h2 span {
  color: var(--secondary-color);
}

.about-content p {
  font-size: 1.05rem;
  color: var(--text-gray);
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 30px;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-dark);
}

.about-feature svg {
  width: 20px;
  height: 20px;
  color: var(--secondary-color);
}

.timeline {
  background: var(--background-color);
}

.timeline-wrapper {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.timeline-wrapper::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  align-items: center;
  margin-bottom: 50px;
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
}

.timeline-item:nth-child(odd) .timeline-content {
  text-align: right;
  padding-right: 60px;
  padding-left: 0;
}

.timeline-item:nth-child(even) .timeline-content {
  text-align: left;
  padding-left: 60px;
}

.timeline-content {
  width: 50%;
}

.timeline-year {
  font-size: 2rem;
  font-weight: 700;
  color: var(--secondary-color);
  margin-bottom: 10px;
}

.timeline-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.timeline-desc {
  font-size: 0.95rem;
  color: var(--text-gray);
  line-height: 1.6;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  background: var(--secondary-color);
  border-radius: 50%;
  border: 4px solid var(--background-color);
}

.stats {
  background: var(--primary-color);
  position: relative;
  overflow: hidden;
}

.stats::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="%23C8A96E" opacity="0.05"/></svg>');
  background-size: 50px 50px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  position: relative;
  z-index: 1;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--secondary-color);
  margin-bottom: 10px;
}

.stat-label {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.8);
}

.products-section {
  background: var(--background-color);
}

.products-filters {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 12px 30px;
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 30px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-dark);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--white);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.product-card {
  background: var(--white);
  border-radius: 10px;
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
}

.product-image {
  position: relative;
  height: 280px;
  overflow: hidden;
  background: var(--background-color);
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.product-card:hover .product-image img {
  transform: scale(1.1);
}

.product-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(27, 58, 92, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.product-card:hover .product-overlay {
  opacity: 1;
}

.product-zoom {
  width: 50px;
  height: 50px;
  background: var(--secondary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  cursor: pointer;
  transition: var(--transition);
}

.product-zoom:hover {
  transform: scale(1.1);
}

.product-info {
  padding: 25px;
}

.product-category {
  font-size: 0.8rem;
  color: var(--secondary-color);
  margin-bottom: 8px;
  font-weight: 500;
}

.product-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.product-material {
  font-size: 0.85rem;
  color: var(--text-gray);
  margin-bottom: 15px;
}

.product-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.product-price {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-color);
}

.product-inquiry {
  padding: 8px 20px;
  background: var(--secondary-color);
  color: var(--white);
  border: none;
  border-radius: 20px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}

.product-inquiry:hover {
  background: #b8975d;
}

.custom-section {
  background: var(--white);
}

.custom-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.custom-content h2 {
  font-size: 2.2rem;
  color: var(--primary-color);
  margin-bottom: 25px;
}

.custom-content h2 span {
  color: var(--secondary-color);
}

.custom-content > p {
  font-size: 1.05rem;
  color: var(--text-gray);
  line-height: 1.8;
  margin-bottom: 30px;
}

.custom-features {
  display: grid;
  gap: 20px;
}

.custom-feature {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  padding: 20px;
  background: var(--background-color);
  border-radius: 10px;
  transition: var(--transition);
}

.custom-feature:hover {
  box-shadow: var(--shadow);
}

.custom-feature-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--secondary-color), #b8975d);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.3rem;
  flex-shrink: 0;
}

.custom-feature h4 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 5px;
}

.custom-feature p {
  font-size: 0.9rem;
  color: var(--text-gray);
}

.custom-process {
  background: var(--background-color);
}

.process-flow {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  position: relative;
  margin-top: 60px;
}

.process-flow::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 10%;
  right: 10%;
  height: 3px;
  background: var(--border-color);
}

.process-step {
  text-align: center;
  position: relative;
  flex: 1;
}

.process-icon {
  width: 80px;
  height: 80px;
  background: var(--white);
  border: 3px solid var(--secondary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 2rem;
  position: relative;
  z-index: 1;
}

.process-step h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.85rem;
  color: var(--text-gray);
  max-width: 150px;
  margin: 0 auto;
}

.custom-form {
  background: var(--white);
  padding: 60px;
  border-radius: 15px;
  box-shadow: var(--shadow);
}

.custom-form h3 {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 30px;
  text-align: center;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group.full {
  grid-column: span 2;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 0.95rem;
  transition: var(--transition);
  font-family: inherit;
  background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 3px rgba(200, 169, 110, 0.1);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-submit {
  margin-top: 30px;
}

.form-submit .btn {
  width: 100%;
}

.contact-section {
  background: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info {
  padding: 40px;
  background: var(--background-color);
  border-radius: 15px;
}

.contact-info h3 {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 30px;
}

.contact-list {
  margin-bottom: 40px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 25px;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg {
  width: 22px;
  height: 22px;
  color: var(--secondary-color);
}

.contact-item h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 5px;
}

.contact-item p {
  font-size: 0.95rem;
  color: var(--text-gray);
}

.contact-map {
  height: 200px;
  background: var(--border-color);
  border-radius: 10px;
  margin-top: 30px;
  overflow: hidden;
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.contact-form {
  padding: 40px;
  background: var(--background-color);
  border-radius: 15px;
}

.contact-form h3 {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 30px;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-15px);
  }
  60% {
    transform: translateX(-50%) translateY(-7px);
  }
}

@keyframes scrollDown {
  0% {
    transform: translateY(0);
    opacity: 1;
  }
  100% {
    transform: translateY(10px);
    opacity: 0;
  }
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal.active {
  display: flex;
}

.modal-content {
  max-width: 90%;
  max-height: 90%;
  position: relative;
}

.modal-content img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
}

.modal-close {
  position: absolute;
  top: -50px;
  right: 0;
  width: 40px;
  height: 40px;
  background: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close:hover {
  background: var(--secondary-color);
  color: var(--white);
}

@media (max-width: 1024px) {
  .hero-title {
    font-size: 3rem;
  }

  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid,
  .custom-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header-inner {
    padding: 15px 0;
  }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 350px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 30px 30px;
    transition: var(--transition);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
  }

  .nav.active {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    gap: 20px;
    width: 100%;
  }

  .nav-link {
    font-size: 1.1rem;
    display: block;
    padding: 10px 0;
  }

  .mobile-menu-btn {
    display: flex;
    z-index: 1001;
  }

  .mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 2rem;
  }

  .categories-grid {
    grid-template-columns: 1fr;
  }

  .category-card {
    height: 300px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .product-image {
    height: 200px;
  }

  .process-flow {
    flex-direction: column;
    gap: 30px;
  }

  .process-flow::before {
    display: none;
  }

  .process-step {
    display: flex;
    align-items: center;
    gap: 20px;
    text-align: left;
  }

  .process-icon {
    margin: 0;
    flex-shrink: 0;
  }

  .custom-form {
    padding: 30px;
  }

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

  .form-group.full {
    grid-column: span 1;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .timeline-wrapper::before {
    left: 20px;
  }

  .timeline-item,
  .timeline-item:nth-child(odd) {
    flex-direction: column;
    align-items: flex-start;
    padding-left: 50px;
  }

  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    text-align: left;
    padding: 0;
    width: 100%;
  }

  .timeline-dot {
    left: 20px;
  }

  .page-header {
    padding: 150px 0 80px;
  }

  .page-header h1 {
    font-size: 2.2rem;
  }

  .about-image {
    height: 350px;
  }

  .about-image::after {
    display: none;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }

  .stat-number {
    font-size: 2.5rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.8rem;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .product-image {
    height: 250px;
  }

  .hero-badge {
    font-size: 0.8rem;
    padding: 6px 15px;
  }

  .btn {
    padding: 12px 25px;
    font-size: 0.9rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }
}

[lang="en"] {
  display: none;
}

body.en [lang="zh"] {
  display: none;
}

body.en [lang="en"] {
  display: block;
}

body.en .logo-text span {
  display: none;
}

body.en .logo-text::after {
  content: 'SHIJIANKE';
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-gray);
  display: block;
}

.nav-link[lang="en"],
.section-title[lang="en"],
.category-name[lang="en"],
.step-title[lang="en"],
.footer-title[lang="en"],
.product-name[lang="en"] {
  display: none;
}

body.en .nav-link[lang="zh"],
body.en .section-title[lang="zh"],
body.en .category-name[lang="zh"],
body.en .step-title[lang="zh"],
body.en .footer-title[lang="zh"],
body.en .product-name[lang="zh"] {
  display: none;
}

body.en .nav-link[lang="en"],
body.en .section-title[lang="en"],
body.en .category-name[lang="en"],
body.en .step-title[lang="en"],
body.en .footer-title[lang="en"],
body.en .product-name[lang="en"] {
  display: block;
}