/* ============================================
   苏建路桥装备 - Bootstrap 5 自定义样式
   ============================================ */

/* --- 基础变量 --- */
:root {
  --primary-red: #C8102E;
  --primary-red-dark: #A00D24;
  --text-dark: #333333;
  --text-gray: #666666;
  --text-light: #999999;
  --bg-gray: #F5F5F5;
  --bg-dark: #2D2D2D;
  --footer-bg: #333333;
  --transition: all 0.3s ease;
}
.news-detail-content img {
	width: 100%
}
body {
  font-family: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
  color: var(--text-dark);
  overflow-x: hidden;
}
a{text-decoration: none}

body {
  font-family: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
  color: var(--text-dark);
  overflow-x: hidden;
}
.news-detail-header{

	text-align: center;
}
.news-detail-category{
	font-weight: bold;
	font-size: 24px;
	text-align: center;
}
/* --- 导航栏 --- */
#mainNav {
  height: 80px;
  background: transparent;
  transition: var(--transition);
  z-index: 1030;
  padding: 0;
}

#mainNav.scrolled {
  background: rgba(255,255,255,0.98);
  box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

#mainNav.scrolled .nav-link {
  color: var(--text-dark) !important;
}

#mainNav.scrolled .logo-red,
#mainNav.scrolled .logo-dark {
  color: var(--text-dark);
}

#mainNav.scrolled .logo-sub {
  color: var(--text-light);
}

#mainNav.scrolled .navbar-toggler {
  border-color: rgba(0,0,0,0.2);
}

.navbar-brand {
  padding: 10px 0;
  line-height: 1.2;
}

.logo-red {
  color: var(--primary-red);
  font-size: 22px;
  font-weight: 700;
  transition: var(--transition);
}

.logo-dark {
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  transition: var(--transition);
}

.logo-sub {
  color: rgba(255,255,255,0.6);
  font-size: 11px;
  letter-spacing: 2px;
  transition: var(--transition);
}

.nav-link {
  color: rgba(255,255,255,0.9) !important;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px !important;
  transition: var(--transition);
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--primary-red);
  transform: scaleX(0);
  transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.navbar-toggler {
  border-color: rgba(255,255,255,0.3);
  padding: 6px 10px;
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

#mainNav.scrolled .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%280,0,0,0.6%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* 移动端菜单 */
@media (max-width: 991px) {
  #navbarNav {
    background: rgba(255,255,255,0.98);
    padding: 10px 20px;
    border-radius: 4px;
    margin-top: 5px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  }
  #navbarNav .nav-link {
    color: var(--text-dark) !important;
    padding: 10px 0 !important;
  }
	.hidden-xs{
	display: none;
}
}

/* --- Banner轮播 --- */
.banner-section {
  position: relative;
  height: 100vh;
  min-height: 600px;
}

#bannerCarousel,
#bannerCarousel .carousel-inner,
#bannerCarousel .carousel-item {
  height: 100%;
}

.banner-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
}

.carousel-item.active .banner-bg {
  animation: scaleIn 8s ease-out forwards;
}

@keyframes scaleIn {
  from { transform: scale(1); }
  to { transform: scale(1.08); }
}

.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.4) 40%, transparent 70%);
}

.carousel-caption {
  position: absolute;
  left: 24%;
  top: 70%;
  transform: translateY(-50%);
  text-align: left;
  max-width: 700px;
  padding: 0;
  bottom: auto;
  right: auto;
}

.red-line {
  width: 50px;
  height: 3px;
  background: var(--primary-red);
  margin-bottom: 20px;
}

.subtitle-en {
  color: var(--primary-red);
  font-size: 20px;
  font-style: italic;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  margin-bottom: 10px;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.banner-title {
  font-size: 30px;
  font-weight: 800;
  color: #fff;
  line-height:1;
  margin-bottom: 20px;
  text-shadow: 0 2px 10px rgba(0,0,0,0.4);
}

.banner-desc {
  font-size: 26px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 30px;
  line-height: 1.8;
}

.btn-banner {
  background: var(--primary-red) !important;
  border-color: var(--primary-red) !important;
  padding: 12px 30px;
  font-size: 14px;
  border-radius: 0;
  transition: var(--transition);
}

.btn-banner:hover {
  background: var(--primary-red-dark) !important;
  border-color: var(--primary-red-dark) !important;
  transform: translateY(-2px);
}

/* 轮播指示器 */
.carousel-indicators {
  right: 10%;
  left: auto;
  bottom: 40px;
  margin: 0;
}

.carousel-indicators button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.5);
  border: none;
  margin: 0 5px;
  transition: var(--transition);
}

.carousel-indicators button.active {
  width: 35px;
  border-radius: 5px;
  background-color: var(--primary-red);
}

/* 左右箭头 */
.carousel-control-prev,
.carousel-control-next {
  width: 50px;
  height: 50px;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.3);
  border-radius: 50%;
  opacity: 1;
}

.carousel-control-prev { left: 20px; }
.carousel-control-next { right: 20px; }

.carousel-control-prev:hover,
.carousel-control-next:hover {
  background: rgba(0,0,0,0.5);
}

/* --- 公告栏 --- */
.notice-bar {
  position: relative;
  z-index: 100;
  margin-top: -40px;
  padding: 0 15px;
}

.notice-wrapper {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-radius: 2px;
  box-shadow: 0 4px 30px rgba(0,0,0,0.1);
  height: 60px;
  overflow: hidden;
}

.notice-label {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-red);
  color: #fff;
  padding: 0 20px;
  height: 100%;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
}

.notice-content {
  flex: 1;
  overflow: hidden;
  padding: 0 20px;
}

.notice-scroll {
  display: flex;
  gap: 50px;
  animation: marqueeScroll 20s linear infinite;
  white-space: nowrap;
}

.notice-scroll span {
  font-size: 14px;
  color: var(--text-gray);
  flex-shrink: 0;
	text-decoration-line: none
}
.notice-scroll span a{
  font-size: 14px;
  color: var(--text-gray);
  flex-shrink: 0;
}

@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.notice-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 25px;
  border-left: 1px solid #e5e5e5;
  color: var(--primary-red);
  font-size: 18px;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}

.notice-phone i {
  font-size: 16px;
}

/* --- 主营业务 --- */
.section-business {
  padding: 100px 0;
  background: #fff;
  position: relative;
  overflow: hidden;
}

.decorative-number {
  position: absolute;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 320px;
  font-weight: 700;
  color: var(--primary-red);
  opacity: 0.04;
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

/* Business标题带红色横线 - 横线在英文下方 */
.business-title-wrap {
  position: relative;
  padding-left: 60px;
  margin-bottom: 10px;
}

.business-red-line {
  position: absolute;
  left: 0;
  top: 50%;
  width: 50px;
  height: 4px;
  background: var(--primary-red);
  transform: translateY(-50%);
}

.en-title {
  color: var(--text-dark);
  font-size: 32px;
  font-style: italic;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  margin-bottom: 0;
  line-height: 1;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 15px;
}

.red-bar {
  width: 50px;
  height: 3px;
  background: var(--primary-red);
}

.section-subtitle {
  color: var(--text-light);
  font-size: 14px;
  margin-top: 10px;
}

/* 主营业务行内副标题 */
.section-subtitle-inline {
  color: var(--text-light);
  font-size: 14px;
  margin-left: 10px;
}

.business-text h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--text-dark);
}

.business-text p {
  color: var(--text-gray);
  font-size: 14px;
  line-height: 1.9;
  margin-bottom: 15px;
}

/* MORE + 更多案例 按钮组 */
.btn-group-more {
  display: flex;
  align-items: stretch;
}

.btn-group-more .btn-more {
  border: 2px solid var(--primary-red) !important;
  color: var(--primary-red) !important;
  background: transparent !important;
  padding: 8px 25px !important;
  font-size: 13px;
  font-weight: 600;
  border-radius: 0 !important;
  transition: var(--transition);
  margin: 0;
}

.btn-group-more .btn-more:hover {
  background: var(--primary-red) !important;
  color: #fff !important;
}

.btn-group-more .btn-gray {
  border: 2px solid #e0e0e0 !important;
  border-left: none !important;
  color: var(--text-gray) !important;
  background: #f8f8f8 !important;
  font-weight: 400;
}

.btn-group-more .btn-gray:hover {
  background: #eee !important;
  color: var(--text-dark) !important;
}

.business-img-wrapper {
  position: relative;
  overflow: hidden;
}

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

.business-img-wrapper:hover .business-img {
  transform: scale(1.05);
}

.img-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
  color: #fff;
  padding: 20px;
  font-size: 13px;
}

.img-caption p {
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  margin-top: 5px;
}
.img-caption p a{
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  margin-top: 5px;
}
/* --- 产品中心 --- */
.section-products {
  padding: 0;
  position: relative;
}

/* 上层：工业照片背景 */
.products-photo-layer {
  position: relative;
  padding:160px 0 200px;
  overflow: hidden;
}

.products-photo-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
}

.products-photo-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
}

.products-photo-title {
  font-size: 36px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.products-photo-subtitle {
  font-size: 22px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 25px;
}

.products-photo-desc {
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  line-height: 1.8;
}

/* 产品中心MORE按钮 - 红色方块+箭头+横线+文字 */
.btn-more-redbox {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}

.btn-more-redbox i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--primary-red);
  color: #fff;
  font-size: 14px;
  border-radius: 2px;
}

.btn-more-redbox .more-line {
  display: inline-block;
  width: 20px;
  height: 1px;
  background: rgba(255,255,255,0.5);
}

.btn-more-redbox:hover {
  color: #fff;
  opacity: 0.8;
}

/* 下层：灰色背景 */
.products-gray-layer {
  height: 250px;
  background: #f0f0f0;
}

/* 卡片层：横跨照片和灰色 */
.products-cards-layer {
 position: static;
    z-index: 2;
    margin-top: -150px;
    padding-bottom: 80px;
    background-color: #f5f5f5;
}

/* 产品卡片 - 右下角缺口，无圆角，clip-path裁剪 */
.product-card {
  background: #fff;
  padding: 30px;
  border-radius: 0;
  transition: var(--transition);
  position: relative;
  cursor: pointer;
  min-height: 420px;
  display: flex;
  flex-direction: column;
  /* 右下角缺口 */
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.product-card:hover {
  background: var(--primary-red);
  box-shadow: 0 15px 40px rgba(0,0,0,0.2);
}

/* 悬停时产品卡片内容变白 */
.product-card:hover .product-num {
  color: #fff;
}

.product-card:hover .product-name {
  color: #fff;
}

.product-card:hover .product-more {
  color: #fff;
}

/* 悬停时标签：白色边框 + 白色文字 */
.product-card:hover .tag {
  border-color: rgba(255,255,255,0.6);
  color: #fff;
}

.product-card:hover .tag:hover {
  background: rgba(255,255,255,0.2);
}

/* 悬停时SVG图标变白 */
.product-card:hover .product-icon svg path,
.product-card:hover .product-icon svg circle,
.product-card:hover .product-icon svg rect {
  stroke: #fff !important;
}

.product-card:hover .product-icon svg circle[fill] {
  fill: #fff !important;
}

.product-num {
  font-size: 14px;
  color: var(--primary-red);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 30px;
}

.product-icon {
  margin-bottom: 25px;
}

/* 序号前面的横线 */
.product-num::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 1px;
  background: var(--primary-red);
}

/* 悬停时横线变白 */
.product-card:hover .product-num::before {
  background: #fff;
}

.product-icon {
  margin-bottom: 15px;
}

.product-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 15px;
}

.product-tags {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 0;
}

.tag {
  display: inline-block;
  border: 1px solid rgba(200, 16, 46, 0.4);
  color: var(--primary-red);
  padding: 4px 8px;
  font-size: 12px;
  border-radius: 2px;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tag:hover {
  background: var(--primary-red);
  color: #fff;
}

/* 查看更多+ - 标签样式 */
.product-more-tag {
  display: inline-block;
  border: 1px solid rgba(200, 16, 46, 0.4);
  color: var(--primary-red);
  padding: 4px 8px;
  font-size: 12px;
  border-radius: 2px;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
  cursor: pointer;
  margin-top: auto;
}

.product-card:hover .product-more-tag {
  border-color: rgba(255,255,255,0.6);
  color: #fff;
}

/* --- 为什么选择我们 - 左右双拼色 --- */
.section-about {
  background: #fff;
  padding: 0;
}

.about-split {
  display: flex;
  min-height: 400px;
}

/* 左边标题区 - 灰色背景 */
.about-left {
  background: #f0f0f0;
  display: flex;
  align-items: center;
}

.about-left-inner {
  padding: 60px 40px 60px calc((100vw - 1140px) / 2 + 15px);
}

/* 关于我们标题 */
.about-pretitle {
  font-size: 20px;
  color: var(--text-gray);
  font-weight: 400;
  margin-bottom: 5px;
}

.about-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 15px;
}

.about-us-label {
  color: var(--primary-red);
  font-size: 14px;
  letter-spacing: 0.15em;
  margin-bottom: 20px;
}

/* 关于我们"了解更多"按钮 */
.btn-about-learn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid #ddd;
  background: #fff;
  color: var(--text-gray);
  padding: 8px 25px;
  font-size: 14px;
  text-decoration: none;
  transition: var(--transition);
}

.btn-about-learn i {
  font-size: 12px;
}

.btn-about-learn:hover {
  border-color: var(--primary-red);
  color: var(--primary-red);
}

/* 右边文案区 - 白色背景 */
.about-right {
  background: #fff;
  display: flex;
  align-items: center;
}

.about-right-inner {
  padding: 60px calc((100vw - 1140px) / 2 + 15px) 60px 40px;
}

/* --- 统计数据 --- */
.section-stats {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.stats-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
}

.stats-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(200, 16, 46, 0.88);
}

.stat-item {
  color: #fff;
}

.stat-number {
  font-size: 56px;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 10px;
}

.stat-label {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
}

/* 新闻MORE按钮 */
.btn-more-news {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--primary-red);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}

.btn-more-news i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--primary-red);
  color: #fff;
  font-size: 14px;
  border-radius: 2px;
}

.btn-more-news:hover {
  color: var(--primary-red-dark);
}

/* --- 新闻资讯 --- */
.section-news {
  padding: 80px 0;
  background: #fff;
}

/* 新闻区域卡片列间距 */
.section-news .row.g-4 {
  --bs-gutter-x: 24px;
}

/* 新闻标题 - 与主营业务一致，横线在英文下方 */
.news-title-wrap {
  position: relative;
  padding-left: 60px;
  margin-bottom: 10px;
}

.news-red-line {
  position: absolute;
  left: 0;
  top: 50%;
  width: 50px;
  height: 4px;
  background: var(--primary-red);
  transform: translateY(-50%);
}

/* 新闻卡片 - 内容在上，图片在下 */
.news-card {
  background: #f5f5f5;
  border-radius: 4px;
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}

.news-card:hover {
  background: var(--primary-red);
  box-shadow: 0 8px 30px rgba(200,16,46,0.3);
}

/* 内容区域 - 灰色背景 */
.news-content {
  padding: 25px;
  background: #eaeaea;
  transition: var(--transition);
}

/* 图片下方灰色背景 */
.news-img-wrap {
  background: #eaeaea;
  overflow: hidden;
}

.news-card:hover .news-content {
  background: var(--primary-red);
}

/* 日期行 - 2025-07 + 横线 + 新闻资讯 */
.news-date-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 15px;
}

.news-date-text {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-dark);
  transition: var(--transition);
}

.news-card:hover .news-date-text {
  color: #fff;
}

.news-date-line {
  flex: 1;
  height: 1px;
  background: #d0d0d0;
  max-width: 60px;
  transition: var(--transition);
}

.news-card:hover .news-date-line {
  background: rgba(255,255,255,0.4);
}

.news-date-cat {
  font-size: 13px;
  color: var(--text-light);
  transition: var(--transition);
}

.news-card:hover .news-date-cat {
  color: rgba(255,255,255,0.8);
}

/* 新闻标题 */
.news-title{
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 12px;
  transition: var(--transition);
  line-height: 1.5;
}

.news-card:hover .news-title {
  color: #fff;
}

/* 新闻描述 */
.news-desc {
  font-size: 13px;
  color: var(--text-gray);
  line-height: 1.8;
  margin-bottom: 0;
  transition: var(--transition);
}

.news-card:hover .news-desc {
  color: rgba(255,255,255,0.9);
}

/* 图片区域 */
.news-img-wrap {
  overflow: hidden;
}

.news-img-wrap .news-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  transition: var(--transition);
  display: block;
}

.news-card:hover .news-img-wrap .news-img {
  transform: scale(1.05);
}

/* 底部新闻列表 - 白色背景 */
.news-list {
  margin-top: 0;
  background: #fff;
  padding: 20px;
}

.news-list-item {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 12px 0;
  border-top: 1px solid #e5e5e5;
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
  background: #fff;
}

.news-list-item:hover {
  color: var(--primary-red);
}

.news-list-item:hover .news-list-title {
  color: var(--primary-red);
}

.news-list-date {
  color: var(--text-light);
  white-space: nowrap;
}

.news-list-title {
  color: var(--text-gray);
  transition: var(--transition);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-list-item i {
  color: var(--text-light);
  font-size: 12px;
}

/* --- 页脚 - 深灰背景 --- */
.footer {
  background: #333;
  padding: 50px 0 0;
}

.footer-main {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
}

.footer-col-logo {
  min-width: 120px;
}

.footer-brand {
  text-align: center;
}

.footer-logo-icon {
  margin-bottom: 8px;
}

.footer-logo-text {
  color: rgba(255,255,255,0.9);
  font-size: 20px;
  font-weight: 700;
}

.footer-col {
  min-width: 80px;
}

.footer-col h6 {
  color: rgba(255,255,255,0.9);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 15px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.footer-links a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 13px;
  transition: var(--transition);
}

.footer-links a:hover {
  color: #fff;
}

.footer-col-contact {
  min-width: 280px;
}

.footer-col-contact h6 {
  color: rgba(255,255,255,0.9);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
}

.footer-phone {
  color: #fff;
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 15px;
}

.footer-contact-detail p {
  color: rgba(255,255,255,0.6);
  font-size: 13px;
  margin-bottom: 6px;
}

.footer-bottom {
  margin-top: 40px;
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
  color: rgba(255,255,255,0.5);
  font-size: 12px;
}

/* --- 通用 --- */
.btn-primary {
  background: var(--primary-red) !important;
  border-color: var(--primary-red) !important;
  border-radius: 0 !important;
}

.btn-primary:hover {
  background: var(--primary-red-dark) !important;
  border-color: var(--primary-red-dark) !important;
}

/* 滚动显示动画 */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 关于我们响应式 */
@media (max-width: 1199px) {
  .about-left-inner {
    padding: 50px 30px;
  }
  .about-right-inner {
    padding: 50px 30px;
  }
}

@media (max-width: 767px) {
  .about-split {
    flex-direction: column;
  }
  .about-left-inner,
  .about-right-inner {
    padding: 40px 20px;
  }
}

/* 响应式调整 */
@media (max-width: 991px) {
  .banner-title {
    font-size: 32px;
  }
  .carousel-caption {
    left: 5%;
    right: 5%;
    max-width: 100%;
  }
  .carousel-indicators {
    right: 5%;
  }
  .carousel-control-prev,
  .carousel-control-next {
    width: 40px;
    height: 40px;
  }
  .decorative-number {
    font-size: 200px;
    right: -10px;
  }
  .stat-number {
    font-size: 40px;
  }
  .notice-wrapper {
    flex-wrap: wrap;
    height: auto;
    padding: 10px;
  }
  .notice-label,
  .notice-phone {
    height: 40px;
  }
  .notice-content {
    width: 100%;
    padding: 10px 0;
    order: 3;
  }
}

@media (max-width: 767px) {
  .banner-section {
    min-height: 500px;
    height: 80vh;
  }
  .banner-title {
    font-size: 26px;
  }
  .subtitle-en {
    font-size: 16px;
  }
  .section-business,
  .section-products,
  .section-about,
  .section-stats,
  .section-news {
    padding: 60px 0;
  }
  .section-title {
    font-size: 26px;
  }
  .en-title {
    font-size: 24px;
  }
  .stat-number {
    font-size: 32px;
  }
  .decorative-number {
    display: none;
  }
  .news-img {
    height: 180px;
  }
}

/* ============================================
   三级导航下拉菜单
   ============================================ */

.nav-item.dropdown:hover .dropdown-menu {
  display: block;
  margin-top: 0;
}

.dropdown-menu {
  border: none;
  border-radius: 0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  padding: 0;
  min-width: 200px;
}

.dropdown-item {
  padding: 12px 20px;
  font-size: 14px;
  color: var(--text-dark);
  transition: var(--transition);
}

.dropdown-item:hover {
  background: var(--primary-red);
  color: #fff;
}

.dropdown-divider {
  margin: 0;
  border-color: #f0f0f0;
}


/* ============================================
   子页面通用样式
   ============================================ */

/* 子页面Banner */
.subpage-banner {
  position: relative;
  padding: 140px 0 80px;
  background: var(--bg-dark);
  overflow: hidden;
	background-image: url("../images/products-banner.jpg")
}

.subpage-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
	background-image: url("../images/products-banner.jpg")
}

.subpage-title {
  font-size: 42px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.subpage-subtitle {
  font-size: 18px;
  color: rgba(255,255,255,0.6);
  font-style: italic;
  font-family: 'Helvetica Neue', Arial, sans-serif;
}

/* 内容区域 */
.section-content {
  padding: 80px 0;
  background: #f5f5f5;
}

.section-content .container {
  background: #fff;
  padding: 60px;
  border-radius: 0;
}

/* 内容块 */
.content-block h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 15px;
}

.content-block p {
  color: var(--text-gray);
  line-height: 1.9;
  margin-bottom: 15px;
}

/* 特色框 */
.feature-box {
  text-align: center;
  padding: 40px 30px;
  background: #f8f8f8;
  transition: var(--transition);
	margin: 5px;
}

.feature-box:hover {
  background: var(--primary-red);
  color: #fff;
}

.feature-box:hover p {
  color: rgba(255,255,255,0.9);
}

.feature-box i {
  font-size: 40px;
  color: var(--primary-red);
  margin-bottom: 20px;
  display: block;
  transition: var(--transition);
}

.feature-box:hover i {
  color: #fff;
}

.feature-box h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 15px;
}

.feature-box p {
  color: var(--text-gray);
  font-size: 14px;
  line-height: 1.8;
}

/* 时间线 */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--primary-red);
}

.timeline-item {
  position: relative;
  padding-bottom: 40px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -44px;
  top: 5px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary-red);
}

.timeline-year {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-red);
  margin-bottom: 10px;
}

.timeline-content h5 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.timeline-content p {
  color: var(--text-gray);
  font-size: 14px;
}

/* 产品详情卡片 */
.product-detail-card {
  background: #f8f8f8;
  padding: 30px;
  transition: var(--transition);
}

.product-detail-card:hover {
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

.product-detail-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 15px;
}

.product-detail-card p {
  color: var(--text-gray);
  line-height: 1.8;
  margin-bottom: 20px;
}

/* 工程案例卡片 */
.case-card {
  background: #fff;
  overflow: hidden;
  transition: var(--transition);
}

.case-card:hover {
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

.case-card img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.case-body {
  padding: 25px;
}

.case-body h5 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
text-align: center;
    color: #333;
}

.case-body p {
  color: var(--text-gray);
  font-size: 14px;
  line-height: 1.8;
}

.case-date {
  color: var(--primary-red);
  font-size: 13px;
  font-weight: 500;
}

/* 企业风采卡片 */
.team-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.team-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: var(--transition);
}

.team-card:hover img {
  transform: scale(1.05);
}

.team-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(200,16,46,0.9), transparent);
  color: #fff;
  padding: 30px 20px 20px;
}

.team-overlay h5 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 5px;
}

.team-overlay p {
  font-size: 13px;
  opacity: 0.9;
  margin: 0;
}

/* 资质证书卡片 */
.cert-card {
  text-align: center;
  padding: 50px 30px;
  background: #f8f8f8;
  transition: var(--transition);
}

.cert-card:hover {
  background: var(--primary-red);
  color: #fff;
}

.cert-card:hover i {
  color: #fff;
}

.cert-card:hover p,
.cert-card:hover small {
  color: rgba(255,255,255,0.8) !important;
}

.cert-card i {
  font-size: 50px;
  color: var(--primary-red);
  margin-bottom: 20px;
  display: block;
}

.cert-card h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

.cert-card p {
  color: var(--text-gray);
  font-size: 14px;
  margin-bottom: 5px;
}

.cert-card small {
  color: var(--text-light) !important;
}

/* 新闻卡片（子页面） */
.news-card-page {
  background: #fff;
  overflow: hidden;
  transition: var(--transition);
}

.news-card-page:hover {
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

.news-card-page img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.news-card-page .news-body {
  padding: 25px;
}

.news-date-badge {
  display: inline-block;
  background: var(--primary-red);
  color: #fff;
  padding: 4px 12px;
  font-size: 12px;
  margin-bottom: 12px;
}

.news-card-page h5 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
}

.news-card-page p {
  color: var(--text-gray);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 15px;
}

.read-more {
  color: var(--primary-red);
  font-size: 14px;
  text-decoration: none;
  font-weight: 500;
}

.read-more:hover {
  color: var(--primary-red-dark);
}

/* 联系信息 */
.contact-info h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 15px;
}

.contact-info > p {
  color: var(--text-gray);
  line-height: 1.8;
  margin-bottom: 30px;
}

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

.contact-item i {
  font-size: 20px;
  color: var(--primary-red);
  margin-top: 2px;
}

.contact-item strong {
  display: block;
  font-size: 14px;
  margin-bottom: 3px;
}

.contact-item p {
  color: var(--text-gray);
  margin: 0;
}

/* 联系表单 */
.contact-form {
  background: #f8f8f8;
  padding: 40px;
}

.contact-form h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 25px;
}

.contact-form .form-label {
  font-size: 14px;
  color: var(--text-gray);
}

.contact-form .form-control {
  border-radius: 0;
  border: 1px solid #ddd;
  padding: 10px 15px;
}

.contact-form .form-control:focus {
  border-color: var(--primary-red);
  box-shadow: none;
}

.contact-form .btn-primary {
  padding: 12px 40px;
}

/* 留言表单 */
.message-form {
  background: #fff;
  padding: 60px;
}

.message-form .form-label {
  font-size: 14px;
  color: var(--text-gray);
}

.message-form .form-control {
  border-radius: 0;
  border: 1px solid #ddd;
  padding: 12px 15px;
}

.message-form .form-control:focus {
  border-color: var(--primary-red);
  box-shadow: none;
}

.message-form .btn-primary {
  padding: 14px 60px;
  font-size: 16px;
}

/* 联系方式大地图 */
.contact-big-map {
  height: 100%;
  min-height: 450px;
}

.contact-big-map iframe {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 450px;
}

/* ============================================
   产品案例卡片
   ============================================ */

.product-case-card {
  background: #fff;
  overflow: hidden;
}

.product-case-img {
  overflow: hidden;
}

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

.product-case-card:hover .product-case-img img {
  transform: scale(1.05);
}

.product-case-body {
  padding: 20px 0;
	text-align: center;
}

.product-case-body h5 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.product-case-body p {
  font-size: 14px;
  color: var(--text-gray);
  line-height: 1.8;
  margin-bottom: 12px;
}

.product-case-date {
  font-size: 14px;
  color: var(--primary-red);
}

/* ============================================
   产品分类侧边栏
   ============================================ */

.product-sidebar {
  background: #f8f8f8;
  padding: 25px;
  position: sticky;
  top: 100px;
}

.product-sidebar h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.product-category-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.product-category-list li {
  border-bottom: 1px solid #e5e5e5;
}

.product-category-list li:last-child {
  border-bottom: none;
}

.product-category-list a {
  display: block;
  padding: 14px 0;
  color: var(--text-gray);
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition);
  position: relative;
  padding-left: 15px;
}

.product-category-list a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 0;
  background: var(--primary-red);
  transition: var(--transition);
}

.product-category-list a:hover {
  color: var(--primary-red);
  padding-left: 20px;
}

.product-category-list a:hover::before {
  height: 20px;
}

.product-category-list a.active {
  color: var(--primary-red);
  font-weight: 600;
  padding-left: 20px;
}

.product-category-list a.active::before {
  height: 20px;
}

/* 特点列表样式 */
.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  padding: 20px;
  background: #f8f8f8;
  transition: var(--transition);
  height: 100%;
}

.feature-item:hover {
  background: var(--primary-red);
  color: #fff;
}

.feature-item:hover i {
  color: #fff;
}

.feature-item:hover h5 {
  color: #fff;
}

.feature-item:hover p {
  color: rgba(255,255,255,0.9);
}

.feature-item i {
  font-size: 32px;
  color: var(--primary-red);
  flex-shrink: 0;
  margin-top: 3px;
}

.feature-item h5 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.feature-item p {
  font-size: 13px;
  color: var(--text-gray);
  line-height: 1.6;
  margin: 0;
}