* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "Microsoft YaHei", Arial, SimSun, sans-serif; font-size: 14px; color: #333; background: #fff; line-height: 1.6; }
a { color: #333; text-decoration: none; transition: color 0.3s; }
a:hover { color: #d90037; }
img { max-width: 100%; border: 0; }
ul { list-style: none; }
.clearfix::after { content: ""; display: block; clear: both; }

#canvas { max-width: 1200px; margin: 0 auto; position: relative; }

/* Header */
.site-header { background: #fff; border-top: 1px solid #eee; border-bottom: 1px solid #e0e0e0; position: relative; z-index: 100; }
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  padding: 0 15px;
  gap: 24px;
}
.site-logo { flex: 0 0 auto; }
.site-logo a {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #d90037;
  text-decoration: none;
  height: 40px;
}
.site-logo a:hover { color: #d90037; }
.site-logo .logo-icon {
  flex: 0 0 48px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.site-logo .logo-icon img {
  display: block;
  width: 48px;
  height: 48px;
  object-fit: contain;
}
.site-logo .logo-text {
  display: block;
  height: 40px;
  line-height: 40px;
  font-size: 20px;
  font-weight: bold;
  font-family: "Microsoft YaHei", Arial, sans-serif;
  color: #d90037;
}

.header-right {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 24px;
  min-width: 0;
}

.main-nav { flex: 0 1 auto; display: flex; align-items: center; height: 50px; }
.main-nav ul {
  display: flex;
  flex-direction: row;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  height: 50px;
}
.main-nav li {
  flex: 0 0 auto;
  display: block;
  height: 50px;
  margin: 0;
  padding: 0;
}
.main-nav li + li { margin-left: 4px; }
.main-nav a {
  display: block;
  height: 50px;
  line-height: 50px;
  padding: 0 28px;
  font-size: 14px;
  font-weight: bold;
  color: #333;
  white-space: nowrap;
  box-sizing: border-box;
  text-decoration: none;
}
.main-nav a:hover,
.main-nav a.active { color: #d90037; }

.header-hotline {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding-left: 10px;
}
.header-hotline .hotline-icon {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  line-height: 0;
}
.header-hotline .hotline-icon svg { display: block; }
.header-hotline .phone {
  color: #d90037;
  font-size: 18px;
  font-weight: bold;
  line-height: 1;
  font-family: "Microsoft YaHei", Arial, sans-serif;
}

.mobile-menu-btn { display: none; background: none; border: none; font-size: 24px; cursor: pointer; padding: 10px; color: #333; flex: 0 0 auto; }

/* Sub Banner */
.sub-banner-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 15px;
  box-sizing: border-box;
}
.sub-banner {
  position: relative;
  height: 375px;
  overflow: hidden;
  background: #1a1a2e;
  border-radius: 2px;
}
.sub-banner-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 35%, #0f3460 65%, #1a1a2e 100%);
}
.sub-banner-bg::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at 70% 50%, rgba(30, 60, 120, 0.4) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(15, 30, 60, 0.5) 0%, transparent 50%);
}
.sub-banner-inner {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 50px;
  gap: 30px;
}
.sub-banner-text {
  flex: 0 1 52%;
  color: #fff;
  text-align: left;
  animation: fadeFromLeft 1s ease;
}
.sub-banner-text h1 {
  font-size: 46px;
  font-weight: bold;
  margin-bottom: 15px;
  line-height: 1.3;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}
.sub-banner-text p {
  font-size: 14px;
  line-height: 1.8;
  max-width: 480px;
  opacity: 0.92;
}
.sub-banner-visual {
  flex: 0 1 42%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sub-banner-visual img {
  max-width: 100%;
  max-height: 300px;
  object-fit: contain;
  display: block;
}
.sub-banner.sub-banner-dark {
  background: #0a0a0a;
}
.sub-banner.sub-banner-dark .sub-banner-bg {
  background: #111111;
}
.sub-banner.sub-banner-dark .sub-banner-bg::after {
  background: radial-gradient(ellipse at 75% 50%, rgba(0, 220, 100, 0.1) 0%, transparent 55%),
    radial-gradient(ellipse at 20% 80%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
}
.sub-banner.sub-banner-dark .sub-banner-visual img {
  max-height: 320px;
  filter: drop-shadow(0 0 24px rgba(0, 220, 100, 0.2));
}
.sub-banner.sub-banner-photo {
  background-color: #1a1a1a;
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
}
.sub-banner.sub-banner-photo .sub-banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.62) 0%, rgba(0, 0, 0, 0.38) 42%, rgba(0, 0, 0, 0.12) 100%);
  z-index: 1;
}
.sub-banner.sub-banner-photo .sub-banner-inner {
  justify-content: flex-start;
  z-index: 2;
}
.sub-banner.sub-banner-photo .sub-banner-text {
  flex: 0 1 58%;
  max-width: 520px;
}

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

/* Section */
.section { padding: 40px 0; }
.section-title { text-align: center; margin-bottom: 30px; }
.section-title h2 { font-size: 28px; font-weight: bold; color: #333; padding-bottom: 15px; border-bottom: 2px solid #666; display: inline-block; min-width: 150px; }

/* Hero Slider */
.hero-slider-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  box-sizing: border-box;
}
.hero-slider {
  position: relative;
  height: 420px;
  overflow: hidden;
  background: #1a1a2e;
  border-radius: 2px;
}
.hero-slides {
  position: relative;
  width: 100%;
  height: 100%;
}
.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.7s ease, visibility 0.7s ease;
  z-index: 1;
}
.hero-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}
.hero-slide.leaving {
  opacity: 0;
  z-index: 1;
}
.hero-slide.entering {
  opacity: 1;
  z-index: 3;
}
.hero-slide-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 35%, #0f3460 65%, #1a1a2e 100%);
}
.hero-slide-bg::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at 70% 50%, rgba(30,60,120,0.4) 0%, transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(15,30,60,0.5) 0%, transparent 50%);
}
.hero-slide-inner {
  position: relative;
  max-width: 100%;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 50px;
  gap: 30px;
  z-index: 2;
}
.hero-slide-text {
  flex: 0 1 52%;
  color: #fff;
  animation: heroTextIn 0.8s ease forwards;
}
.hero-slide:not(.active) .hero-slide-text {
  animation: none;
}
.hero-slide-text h1 {
  font-size: 42px;
  font-weight: bold;
  margin-bottom: 20px;
  line-height: 1.3;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.hero-slide-text p {
  font-size: 14px;
  line-height: 1.8;
  opacity: 0.92;
  margin-bottom: 28px;
  max-width: 480px;
}
.hero-btn {
  display: inline-block;
  padding: 10px 36px;
  background: #d90037;
  color: #fff !important;
  font-size: 14px;
  font-weight: bold;
  border-radius: 2px;
  transition: background 0.3s;
}
.hero-btn:hover {
  background: #b8002e;
  color: #fff !important;
}
.hero-slide-visual {
  flex: 0 1 45%;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  animation: heroImgIn 0.8s ease forwards;
}
.hero-slide:not(.active) .hero-slide-visual {
  animation: none;
}
.hero-slide-visual img {
  max-height: 320px;
  max-width: 100%;
  object-fit: contain;
  filter: drop-shadow(0 10px 30px rgba(0,0,0,0.4));
}
.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(120, 120, 120, 0.55);
  border: none;
  color: #fff;
  cursor: pointer;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s, transform 0.2s;
  padding: 0;
}
.hero-arrow:hover {
  background: rgba(100, 100, 100, 0.75);
  transform: translateY(-50%) scale(1.05);
}
.hero-prev { left: 12px; }
.hero-next { right: 12px; }

@keyframes heroTextIn {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes heroImgIn {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Category Section (homepage) */
.category-section {
  background: #f5f5f5;
  padding: 40px 0 50px;
}
.category-section .category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}
.category-section .category-card {
  background: #fff;
  padding: 30px 28px;
  text-align: left;
  border: none;
  transition: box-shadow 0.3s;
}
.category-section .category-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  transform: none;
}
.category-section .category-card-link {
  display: block;
  color: inherit;
  text-decoration: none;
}
.category-section .category-card-link:hover h3 {
  color: #d90037;
}
.category-section .category-card-img {
  text-align: center;
  margin-bottom: 24px;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.category-section .category-card img {
  max-width: 100%;
  max-height: 200px;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 0;
}
.category-section .category-card h3 {
  font-size: 18px;
  font-weight: bold;
  color: #333;
  margin-bottom: 12px;
  text-align: left;
}
.category-section .category-card p {
  font-size: 13px;
  color: #666;
  line-height: 1.8;
  margin-bottom: 22px;
  text-align: left;
}
.btn-learn {
  display: inline-block;
  padding: 8px 28px;
  background: #fff;
  color: #d90037;
  border: 1px solid #d90037;
  font-size: 13px;
  line-height: 1.4;
  transition: all 0.3s;
}
.btn-learn:hover {
  background: #fff;
  color: #d90037;
  border-color: #d90037;
}
.view-more-dark {
  text-align: center;
  margin-top: 35px;
}
.view-more-dark a {
  display: inline-block;
  padding: 12px 48px;
  background: #333;
  color: #fff !important;
  border: none;
  border-radius: 4px;
  font-size: 14px;
  font-weight: normal;
}
.view-more-dark a:hover {
  background: #d90037;
  color: #fff !important;
}

/* Category Cards (generic fallback) */
.category-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; padding: 0 15px; }
.category-card { background: #fbfbfb; border: 1px solid #e0e0e0; text-align: center; padding: 20px 15px; transition: transform 0.3s, box-shadow 0.3s; }
.category-card:hover { transform: translateY(-5px); box-shadow: 0 5px 15px rgba(0,0,0,0.1); }
.category-card img { width: 120px; height: 120px; object-fit: cover; margin-bottom: 15px; border-radius: 4px; }
.category-card h3 { font-size: 16px; margin-bottom: 10px; }
.category-card p { font-size: 12px; color: #666; margin-bottom: 15px; line-height: 1.8; }
.btn-more { display: inline-block; padding: 6px 20px; background: #d90037; color: #fff; font-size: 12px; border-radius: 3px; }
.btn-more:hover { background: #b8002e; color: #fff; }

/* Product Tabs */
.product-tabs { display: flex; justify-content: center; margin-bottom: 25px; border-bottom: 1px solid #e0e0e0; }
.product-tabs a { padding: 12px 25px; font-size: 14px; font-weight: bold; color: #333; border-bottom: 3px solid transparent; }
.product-tabs a:hover, .product-tabs a.active { color: #d90037; border-bottom-color: #d90037; }

/* Product Grid */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 0 15px; }
.product-card { background: #fff; border: 1px solid #e0e0e0; text-align: center; padding: 15px; transition: box-shadow 0.3s; }
.product-card:hover { box-shadow: 0 5px 15px rgba(0,0,0,0.1); }
.product-card .thumb { height: 180px; overflow: hidden; margin-bottom: 10px; }
.product-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.product-card:hover .thumb img { transform: scale(1.05); }
.product-card h3 { font-size: 14px; margin-bottom: 8px; line-height: 1.4; }
.product-card .market-price { font-size: 12px; color: #999; text-decoration: line-through; }
.product-card .price { font-size: 18px; color: #d90037; font-weight: bold; margin: 5px 0; }
.product-card .promo { font-size: 12px; color: #ff6600; }

/* Product Center List Page */
.product-center-section {
  padding: 40px 0 50px;
  background: #fff;
}
.product-center-section .section-title {
  margin-bottom: 35px;
}
.product-center-section .product-pill-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 35px;
  border-bottom: none;
  padding: 0 15px;
}
.product-center-section .product-pill-tabs a {
  padding: 8px 26px;
  border-radius: 24px;
  border: 1px solid #e5e5e5;
  background: #fff;
  color: #333;
  font-size: 14px;
  font-weight: normal;
  line-height: 1.4;
  transition: all 0.2s;
}
.product-center-section .product-pill-tabs a:hover:not(.active) {
  border-color: #ccc;
  color: #333;
}
.product-center-section .product-pill-tabs a.active {
  background: #d90037;
  color: #fff;
  border-color: #d90037;
}
.product-center-section .product-center-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  gap: 20px;
}
.product-center-section .product-center-card {
  border: 1px solid #eee;
  padding: 20px 16px 18px;
  text-align: center;
  background: #fff;
  transition: box-shadow 0.3s;
}
.product-center-section .product-center-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}
.product-center-section .product-center-card .thumb {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  overflow: hidden;
  background: #fff;
}
.product-center-section .product-center-card .thumb img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: transform 0.3s;
}
.product-center-section .product-center-card:hover .thumb img {
  transform: scale(1.03);
}
.product-center-section .product-center-card h3 {
  font-size: 14px;
  font-weight: normal;
  color: #333;
  margin-bottom: 10px;
  line-height: 1.5;
}
.product-center-section .product-center-card a {
  color: #333;
}
.product-center-section .product-center-card a:hover {
  color: #d90037;
}
.product-center-section .product-desc {
  font-size: 12px;
  color: #999;
  line-height: 1.7;
  margin: 0;
  padding: 0 4px;
}

.view-more { text-align: center; margin-top: 30px; }
.view-more a { display: inline-block; padding: 10px 40px; border: 1px solid #d90037; color: #d90037; font-size: 14px; }
.view-more a:hover { background: #d90037; color: #fff; }

/* Hot Products Carousel */
.hot-products-section { padding: 40px 0 50px; }
.hot-products-section .product-tabs {
  border-bottom: none;
  margin-bottom: 30px;
  gap: 0;
}
.hot-products-section .product-tabs a {
  padding: 8px 22px;
  border-bottom: none;
  font-weight: normal;
  color: #333;
}
.hot-products-section .product-tabs a:hover,
.hot-products-section .product-tabs a.active {
  color: #333;
  border-bottom-color: transparent;
  font-weight: bold;
}
.hot-carousel-wrap {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 45px;
}
.hot-carousel {
  overflow: hidden;
  width: 100%;
}
.hot-track {
  display: flex;
  transition: transform 0.5s ease;
  will-change: transform;
}
.hot-item {
  flex: 0 0 25%;
  max-width: 25%;
  padding: 0 12px;
  box-sizing: border-box;
}
.hot-item.filtered-out { display: none !important; }
.hot-item-link { display: block; text-decoration: none; color: #333; }
.hot-item-link:hover { color: #333; }
.hot-thumb {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  background: #fff;
}
.hot-thumb img {
  max-width: 100%;
  max-height: 200px;
  width: auto;
  object-fit: contain;
}
.hot-item h3 {
  font-size: 14px;
  font-weight: bold;
  color: #333;
  margin-bottom: 8px;
  line-height: 1.4;
  text-align: left;
}
.hot-desc {
  font-size: 12px;
  color: #666;
  line-height: 1.7;
  margin-bottom: 10px;
  text-align: left;
  min-height: 40px;
}
.hot-price {
  font-size: 13px;
  color: #d90037;
  text-align: left;
}
.hot-price span {
  font-size: 16px;
  font-weight: bold;
}
.hot-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 56px;
  background: rgba(190, 190, 190, 0.55);
  border: none;
  color: #fff;
  cursor: pointer;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: background 0.3s;
}
.hot-arrow:hover {
  background: rgba(160, 160, 160, 0.75);
  transform: translateY(-50%);
}
.hot-prev { left: 0; }
.hot-next { right: 0; }
.hot-products-section .view-more-dark { margin-top: 35px; }


/* Industry Grid */
.industry-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 15px; padding: 0 15px; }
.industry-item { text-align: center; padding: 15px 5px; }
.industry-item img { width: 60px; height: 60px; margin-bottom: 8px; }
.industry-item span { font-size: 12px; color: #666; display: block; }

/* Industry Section (homepage photo grid) */
.industry-section {
  padding: 40px 0 50px;
  background: #fff;
}
.industry-section .industry-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}
.industry-section .industry-item {
  position: relative;
  height: 200px;
  min-height: 160px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
  text-align: center;
  overflow: hidden;
}
.industry-section .industry-item::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 55%;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.6));
  pointer-events: none;
}
.industry-section .industry-wide {
  grid-column: span 2;
}
.industry-section .industry-item span {
  position: relative;
  z-index: 1;
  color: #fff;
  font-size: 14px;
  font-weight: normal;
  padding: 0 10px 18px;
  line-height: 1.4;
}

/* Article List */
.article-list { padding: 0 15px; }
.article-item { display: flex; padding: 20px 0; border-bottom: 1px dashed #e0e0e0; }
.article-item .thumb { flex: 0 0 150px; margin-right: 20px; }
.article-item .thumb img { width: 150px; height: 100px; object-fit: cover; }
.article-item .info { flex: 1; }
.article-item h3 { font-size: 16px; margin-bottom: 8px; }
.article-item .summary { font-size: 13px; color: #666; margin-bottom: 8px; }
.article-item .meta { font-size: 12px; color: #999; }
.article-item .meta a { color: #d90037; }

/* News Center List Page */
.news-center-section {
  padding: 40px 0 50px;
  background: #fff;
}
.news-center-section .section-title {
  margin-bottom: 35px;
}
.news-center-section .news-pill-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 30px;
  border-bottom: none;
  padding: 0 15px;
}
.news-center-section .news-pill-tabs a {
  padding: 8px 26px;
  border-radius: 24px;
  border: 1px solid #e5e5e5;
  background: #fff;
  color: #333;
  font-size: 14px;
  font-weight: normal;
  line-height: 1.4;
  transition: all 0.2s;
}
.news-center-section .news-pill-tabs a:hover:not(.active) {
  border-color: #ccc;
  color: #333;
}
.news-center-section .news-pill-tabs a.active {
  background: #d90037;
  color: #fff;
  border-color: #d90037;
}
.news-center-section .news-article-list {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}
.news-center-section .article-item {
  display: block;
  padding: 28px 0;
  border-bottom: 1px solid #e8e8e8;
}
.news-center-section .article-item:last-child {
  border-bottom: none;
}
.news-center-section .article-title {
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 16px;
  line-height: 1.5;
}
.news-center-section .article-title a {
  color: #333;
}
.news-center-section .article-title a:hover {
  color: #d90037;
}
.news-center-section .article-body {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}
.news-center-section .article-item .thumb {
  flex: 0 0 180px;
  margin-right: 0;
}
.news-center-section .article-item .thumb img {
  width: 180px;
  height: 120px;
  object-fit: cover;
  display: block;
}
.news-center-section .article-content {
  flex: 1;
  position: relative;
  min-height: 120px;
  padding-bottom: 22px;
}
.news-center-section .article-item .summary {
  font-size: 13px;
  color: #666;
  line-height: 1.9;
  margin-bottom: 0;
}
.news-center-section .article-item .summary a {
  color: #d90037;
  margin-left: 4px;
}
.news-center-section .article-date {
  position: absolute;
  bottom: 0;
  right: 0;
  font-size: 12px;
  color: #999;
}

.article-preview-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 0 15px; }
.article-preview { border: 1px solid #e0e0e0; padding: 15px; }
.article-preview .date { font-size: 12px; color: #999; margin-bottom: 8px; }
.article-preview h3 { font-size: 14px; line-height: 1.5; }

/* News Section (homepage activity news) */
.news-section {
  padding: 40px 0 50px;
  background: #fff;
}
.news-section .news-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}
.news-section .news-card {
  display: block;
  text-decoration: none;
  color: inherit;
}
.news-section .news-card:hover .news-title {
  color: #d90037;
}
.news-section .news-thumb {
  overflow: hidden;
  background: #f0f0f0;
}
.news-section .news-thumb img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  transition: transform 0.3s;
}
.news-section .news-card:hover .news-thumb img {
  transform: scale(1.03);
}
.news-section .news-title {
  font-size: 14px;
  font-weight: bold;
  color: #000;
  margin: 12px 0 6px;
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.news-section .news-date {
  font-size: 12px;
  color: #999;
  margin-bottom: 8px;
}
.news-section .news-summary {
  font-size: 13px;
  color: #888;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-section .view-more-dark {
  margin-top: 35px;
}

/* Product Detail */
.product-detail { padding: 20px 15px; }
.product-detail .detail-top { display: flex; gap: 30px; margin-bottom: 30px; }
.product-detail .detail-images { flex: 0 0 400px; }
.product-detail .detail-images img { width: 100%; border: 1px solid #e0e0e0; }
.product-detail .detail-info { flex: 1; }
.product-detail .detail-info h1 { font-size: 22px; margin-bottom: 15px; }
.product-detail .detail-info .price { font-size: 28px; color: #d90037; font-weight: bold; margin: 10px 0; }
.product-detail .detail-info .market-price { font-size: 14px; color: #999; text-decoration: line-through; }
.product-detail .spec-table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.product-detail .spec-table td { padding: 8px 12px; border: 1px solid #e0e0e0; font-size: 13px; }
.product-detail .spec-table td:first-child { background: #f5f5f5; width: 120px; color: #666; }
.product-detail .description { padding: 20px 0; border-top: 1px solid #e0e0e0; line-height: 1.8; }
.prev-next { display: flex; justify-content: space-between; padding: 20px 15px; border-top: 1px solid #e0e0e0; font-size: 13px; }

/* Product Detail Page (centered layout) */
.product-detail-section {
  padding: 40px 0 60px;
  background: #fff;
}
.product-detail-section .product-detail-wrap {
  max-width: 840px;
  margin: 0 auto;
  padding: 0 20px;
}
.product-detail-section .product-detail-title {
  font-size: 22px;
  font-weight: bold;
  color: #d90037;
  text-align: center;
  margin-bottom: 12px;
  line-height: 1.4;
}
.product-detail-section .product-detail-date {
  text-align: center;
  font-size: 13px;
  color: #999;
  margin-bottom: 20px;
}
.product-detail-section .product-promo-bar {
  background: #f5f5f5;
  padding: 12px 16px;
  font-size: 13px;
  color: #666;
  line-height: 1.7;
  margin-bottom: 28px;
}
.product-detail-section .product-gallery {
  margin-bottom: 32px;
}
.product-detail-section .product-main-image {
  text-align: center;
  margin-bottom: 16px;
}
.product-detail-section .product-main-image img {
  max-width: 100%;
  max-height: 420px;
  object-fit: contain;
}
.product-detail-section .product-thumb-carousel {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.product-detail-section .thumb-list {
  display: flex;
  gap: 10px;
  overflow: hidden;
}
.product-detail-section .thumb-item {
  flex: 0 0 auto;
  width: 72px;
  height: 72px;
  padding: 0;
  border: 2px solid #e0e0e0;
  background: #fff;
  cursor: pointer;
  overflow: hidden;
}
.product-detail-section .thumb-item.active {
  border-color: #d90037;
}
.product-detail-section .thumb-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.product-detail-section .thumb-arrow {
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  border: 1px solid #ddd;
  background: #fff;
  color: #999;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.product-detail-section .thumb-arrow:hover {
  border-color: #ccc;
  color: #666;
}
.product-detail-section .product-detail-content {
  margin-top: 20px;
  padding: 20px 0;
  border-top: 1px solid #eee;
  line-height: 1.9;
  font-size: 15px;
  color: #333;
  word-break: break-word;
  margin-bottom: 36px;
}
.product-detail-section .product-detail-content img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 15px auto;
}
.product-detail-section .product-detail-content video {
  max-width: 100%;
  display: block;
  margin: 15px auto;
}
.product-detail-section .product-detail-content p {
  margin-bottom: 12px;
}
.product-detail-section .product-detail-content .product-specs {
  background: #f9f9f9;
  padding: 15px 20px;
  margin: 15px 0;
  border-radius: 4px;
}
.product-detail-section .product-detail-content .product-specs p {
  margin-bottom: 8px;
}
.product-detail-section .product-prev-next {
  text-align: left;
}
.product-detail-section .product-prev-next p {
  font-size: 13px;
  color: #666;
  margin: 0 0 10px;
  line-height: 1.6;
}
.product-detail-section .product-prev-next a {
  color: #d90037;
}
.product-detail-section .nav-arrow {
  color: #999;
  margin-right: 4px;
}

/* Article Detail */
.article-detail { padding: 20px 15px; max-width: 900px; margin: 0 auto; }
.article-detail h1 { font-size: 24px; text-align: center; margin-bottom: 15px; }
.article-detail .meta { text-align: center; color: #999; font-size: 12px; margin-bottom: 30px; }
.article-detail .content { line-height: 2; font-size: 14px; }

/* Article Detail Page (centered layout) */
.article-detail-section {
  padding: 40px 0 60px;
  background: #fff;
}
.article-detail-section .article-detail-wrap {
  max-width: 840px;
  margin: 0 auto;
  padding: 36px 40px 40px;
  border: 1px solid #e8e8e8;
  background: #fff;
  box-sizing: border-box;
}
.article-detail-section .article-detail-title {
  font-size: 22px;
  font-weight: bold;
  color: #d81b60;
  text-align: center;
  margin-bottom: 16px;
  line-height: 1.5;
}
.article-detail-section .article-detail-meta {
  text-align: center;
  font-size: 12px;
  color: #999;
  margin-bottom: 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 28px;
}
.article-detail-section .article-intro-box {
  background: #f8f8f8;
  border: 1px solid #e0e0e0;
  padding: 14px 18px;
  font-size: 13px;
  color: #666;
  line-height: 1.8;
  margin-bottom: 28px;
}
.article-detail-section .article-detail-content {
  font-size: 14px;
  color: #333;
  line-height: 2;
  margin-bottom: 36px;
}
.article-detail-section .article-detail-content p {
  margin-bottom: 14px;
}
.article-detail-section .article-prev-next {
  text-align: left;
}
.article-detail-section .article-prev-next p {
  font-size: 13px;
  color: #999;
  margin: 0 0 10px;
  line-height: 1.6;
}
.article-detail-section .article-prev-next a {
  color: #d81b60;
}
.article-detail-section .nav-arrow {
  color: #bbb;
  margin-right: 4px;
}

/* About Page */
.about-section { padding: 30px 15px; margin-bottom: 20px; }
.about-section h2 { font-size: 20px; color: #333; margin-bottom: 15px; border-left: 4px solid #d90037; padding-left: 12px; }
.about-section .content { line-height: 2; color: #666; }

/* About Page Content */
.about-page-section {
  padding: 50px 0 60px;
  background: #fff;
}
.about-page-section .section-title {
  margin-bottom: 40px;
}
.about-page-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  display: flex;
  align-items: flex-start;
  gap: 50px;
}
.about-page-text {
  flex: 1 1 58%;
  min-width: 0;
}
.about-block {
  margin-bottom: 36px;
}
.about-block:last-child {
  margin-bottom: 0;
}
.about-block h3 {
  font-size: 18px;
  font-weight: bold;
  color: #d81b60;
  margin-bottom: 14px;
}
.about-block-content {
  font-size: 14px;
  line-height: 2;
  color: #555;
}
.about-block-content p {
  margin-bottom: 12px;
}
.about-block-content p:last-child {
  margin-bottom: 0;
}
.about-page-visual {
  flex: 0 0 38%;
  position: relative;
  min-height: 420px;
  padding-top: 30px;
}
.about-visual-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 88%;
  height: 88%;
  border-radius: 16px;
  background: linear-gradient(135deg, #fce4ec 0%, #f8bbd0 40%, #fff5f8 100%);
  z-index: 0;
}
.about-visual-img {
  position: relative;
  z-index: 1;
  display: block;
  width: 92%;
  margin-left: 8%;
  margin-top: 40px;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

/* Contact Page */
.contact-list { padding: 30px 15px; }
.contact-item { display: flex; align-items: center; padding: 20px 0; border-bottom: 1px dashed #e0e0e0; }
.contact-item .icon { flex: 0 0 50px; font-size: 24px; color: #d90037; }
.contact-item .text { font-size: 16px; color: #333; }

.contact-page-section {
  padding: 40px 0 60px;
  background: #fff;
}
.contact-page-section .section-title {
  margin-bottom: 45px;
}
.contact-page-section .contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}
.contact-page-section .contact-card {
  text-align: center;
  padding: 20px 15px;
  border-right: 1px solid #f0f0f0;
}
.contact-page-section .contact-card:last-child {
  border-right: none;
}
.contact-page-section .contact-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
}
.contact-page-section .contact-icon-phone { background: #4a90e2; }
.contact-page-section .contact-icon-fax { background: #e74c3c; }
.contact-page-section .contact-icon-email { background: #f5a623; }
.contact-page-section .contact-icon-address { background: #9b59b6; }
.contact-page-section .contact-text {
  font-size: 14px;
  color: #333;
  line-height: 1.6;
  margin: 0;
}

/* Booking Form */
.booking-page-section {
  padding: 40px 0 60px;
  background: #fff;
}
.booking-page-section .section-title {
  margin-bottom: 40px;
}
.booking-page-section .form-msg {
  max-width: 900px;
  margin: 0 auto 20px;
  padding: 12px 15px;
  text-align: center;
}
.booking-page-section .booking-form {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 15px;
  background: transparent;
  border: none;
}
.booking-page-section .form-row {
  display: flex;
  gap: 40px;
  margin-bottom: 24px;
}
.booking-page-section .form-group {
  flex: 1;
  min-width: 0;
  margin-bottom: 0;
}
.booking-page-section .form-group-full {
  margin-bottom: 28px;
}
.booking-page-section .booking-form label {
  display: block;
  margin-bottom: 10px;
  font-size: 14px;
  font-weight: normal;
  color: #666;
}
.booking-page-section .booking-form label .required {
  color: #d90037;
}
.booking-page-section .booking-form input[type="text"],
.booking-page-section .booking-form input[type="date"],
.booking-page-section .booking-form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #ddd;
  background: #fff;
  font-size: 14px;
  color: #333;
  box-sizing: border-box;
  border-radius: 0;
}
.booking-page-section .booking-form input:focus,
.booking-page-section .booking-form textarea:focus {
  border-color: #ccc;
  outline: none;
}
.booking-page-section .booking-form textarea {
  height: 120px;
  resize: vertical;
  line-height: 1.6;
}
.booking-page-section .checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  padding-top: 4px;
}
.booking-page-section .checkbox-group .checkbox-item {
  display: inline-flex;
  align-items: center;
  margin: 0;
  font-weight: normal;
  color: #333;
  font-size: 14px;
  cursor: pointer;
}
.booking-page-section .checkbox-group input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin: 0 6px 0 0;
  accent-color: #888;
  cursor: pointer;
}
.booking-page-section .date-input-wrap {
  position: relative;
}
.booking-page-section .date-input-wrap input[type="date"] {
  padding-right: 40px;
  appearance: none;
  -webkit-appearance: none;
}
.booking-page-section .date-input-wrap::after {
  content: "";
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  pointer-events: none;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23999'%3E%3Cpath d='M19 4h-1V2h-2v2H8V2H6v2H5a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2V6a2 2 0 0 0-2-2zm0 16H5V9h14v11z'/%3E%3C/svg%3E") center/contain no-repeat;
}
.booking-page-section .booking-form .btn-submit {
  display: block;
  width: calc(50% - 20px);
  margin: 8px 0 0;
  padding: 12px 20px;
  background: #d90037;
  color: #fff;
  border: none;
  font-size: 16px;
  cursor: pointer;
  border-radius: 0;
  transition: background 0.2s;
}
.booking-page-section .booking-form .btn-submit:hover {
  background: #b8002e;
}
.form-msg { text-align: center; padding: 10px; margin-bottom: 15px; }
.form-msg.success { color: #52c41a; background: #f6ffed; border: 1px solid #b7eb8f; }
.form-msg.error { color: #d90037; background: #fff2f0; border: 1px solid #ffccc7; }

/* Pagination */
.pagination { text-align: center; padding: 30px 15px; font-size: 13px; color: #666; }
.pagination a, .pagination span { display: inline-block; padding: 5px 12px; margin: 0 3px; border: 1px solid #ddd; }
.pagination a:hover, .pagination span.current { background: #d90037; color: #fff; border-color: #d90037; }

/* Footer */
.site-footer { background: #2a2a2a; color: #ccc; padding: 40px 0 20px; }
.footer-inner { max-width: 1200px; margin: 0 auto; padding: 0 15px; }
.footer-cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; margin-bottom: 30px; }
.footer-col h3 { font-size: 16px; color: #fff; margin-bottom: 15px; padding-bottom: 10px; border-bottom: 1px solid #444; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col a { color: #ccc; font-size: 13px; }
.footer-col a:hover { color: #d90037; }
.footer-col p { font-size: 13px; color: #999; margin-bottom: 5px; }
.footer-qr { display: flex; gap: 20px; justify-content: center; margin-bottom: 20px; }
.footer-qr .qr-item { text-align: center; }
.footer-qr img { width: 100px; height: 100px; background: #fff; padding: 5px; }
.footer-qr span { display: block; font-size: 12px; color: #999; margin-top: 5px; }
.footer-copyright { text-align: center; font-size: 12px; color: #888; padding-top: 20px; border-top: 1px solid #444; }
.footer-copyright p { margin-bottom: 5px; }
.footer-copyright a { color: #888; }
.footer-copyright a:hover { color: #d90037; }

/* Responsive */
@media (max-width: 1200px) {
  .main-nav a { padding: 0 20px; font-size: 13px; }
  .site-logo .logo-text { font-size: 18px; }
  .header-right { gap: 16px; }
  .category-section .category-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .industry-section .industry-grid { grid-template-columns: repeat(3, 1fr); }
  .industry-section .industry-wide { grid-column: span 2; }
  .news-section .news-grid { grid-template-columns: repeat(2, 1fr); }
  .article-preview-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 992px) {
  .header-hotline { display: none; }
  .main-nav a { padding: 0 16px; }
}

@media (max-width: 768px) {
  .header-inner { flex-wrap: wrap; height: auto; padding: 10px 15px; gap: 10px; }
  .mobile-menu-btn { display: block; order: 2; }
  .site-logo { order: 1; flex: 1; }
  .header-right { order: 4; width: 100%; flex-direction: column; align-items: stretch; gap: 0; }
  .header-hotline { display: flex; order: 2; padding-left: 0; }
  .main-nav { display: none; width: 100%; height: auto; }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; align-items: stretch; height: auto; }
  .main-nav li { width: 100%; height: auto; }
  .main-nav li + li { margin-left: 0; }
  .main-nav a { height: 44px; line-height: 44px; padding: 0 15px; border-bottom: none; border-left: 3px solid transparent; }
  .main-nav a:hover, .main-nav a.active { border-left-color: #d90037; }
  .sub-banner-text h1 { font-size: 24px; }
  .sub-banner { height: 200px; }
  .sub-banner-inner { padding: 0 20px; }
  .sub-banner-visual { display: none; }
  .hero-slider { height: 320px; }
  .hero-slide-inner { padding: 0 50px; }
  .hero-slide-text h1 { font-size: 26px; }
  .hero-slide-visual img { max-height: 200px; }
  .hero-prev { left: 8px; }
  .hero-next { right: 8px; }
  .category-section .category-grid { grid-template-columns: 1fr; }
  .hot-item { flex: 0 0 50%; max-width: 50%; }
  .hot-carousel-wrap { padding: 0 40px; }
  .industry-section .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .industry-section .industry-wide { grid-column: span 2; }
  .industry-section .industry-item { height: 160px; }
  .news-section .news-grid { grid-template-columns: 1fr; }
  .news-section .news-thumb img { height: 200px; }
  .article-preview-grid { grid-template-columns: 1fr; }
  .about-page-inner { flex-direction: column; gap: 30px; }
  .about-page-visual { flex: none; width: 100%; min-height: 280px; }
  .about-visual-img { width: 85%; margin-left: 10%; }
  .product-detail .detail-top { flex-direction: column; }
  .product-detail .detail-images { flex: none; }
  .news-center-section .article-body { flex-direction: column; }
  .news-center-section .article-item .thumb { flex: none; }
  .news-center-section .article-content { min-height: auto; padding-bottom: 0; }
  .news-center-section .article-date { position: static; margin-top: 12px; text-align: right; }
  .article-item { flex-direction: column; }
  .article-item .thumb { margin-bottom: 10px; }
  .booking-page-section .form-row { flex-direction: column; gap: 20px; margin-bottom: 20px; }
  .booking-page-section .booking-form .btn-submit { width: 100%; }
  .contact-page-section .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-page-section .contact-card { border-right: none; border-bottom: 1px solid #f0f0f0; }
  .article-detail-section .article-detail-wrap { padding: 24px 20px; }
  .article-detail-section .article-detail-meta { gap: 6px 16px; }
  .section-title h2 { font-size: 22px; }
}

@media (max-width: 480px) {
  .hot-item { flex: 0 0 100%; max-width: 100%; }
  .industry-section .industry-grid { grid-template-columns: 1fr; }
  .industry-section .industry-wide { grid-column: span 1; }
  .footer-cols { grid-template-columns: 1fr; }
}