/* ========================================
   忻州全创科技网站 - EyouCMS模板样式
   主色调：深蓝 #003366 / 科技蓝 #0066CC
   ======================================== */

/* Reset & Base */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
  font-size: 14px;
  color: #333;
  background: #fff;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; transition: all 0.3s; }
a:hover { color: #0066CC; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
.clearfix::after { content: ""; display: table; clear: both; }

/* Container */
.container { max-width: 1200px; margin: 0 auto; padding: 0 15px; }
.container-fluid { width: 100%; padding: 0 15px; }

/* ========== 通用组件 ========== */
.btn {
  display: inline-block;
  padding: 10px 28px;
  border-radius: 4px;
  font-size: 14px;
  cursor: pointer;
  border: none;
  transition: all 0.3s;
}
.btn-primary { background: #0066CC; color: #fff; }
.btn-primary:hover { background: #0052a3; color: #fff; }
.btn-outline { border: 2px solid #0066CC; color: #0066CC; background: transparent; }
.btn-outline:hover { background: #0066CC; color: #fff; }
.btn-white { background: #fff; color: #0066CC; }
.btn-white:hover { background: #f0f0f0; }

.section-title {
  text-align: center;
  margin-bottom: 48px;
}
.section-title h2 {
  font-size: 32px;
  font-weight: 700;
  color: #003366;
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}
.section-title h2::after {
  content: "";
  display: block;
  width: 60px;
  height: 3px;
  background: #0066CC;
  margin: 12px auto 0;
}
.section-title p {
  font-size: 15px;
  color: #777;
  margin-top: 14px;
}

/* ========== 顶部 Header ========== */
#header {
  background: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.header-top {
  background: linear-gradient(135deg, #0d1f3c 0%, #1a365d 100%);
  padding: 8px 0;
  font-size: 13px;
  color: rgba(255,255,255,0.9);
  border-bottom: 1px solid rgba(230,162,60,0.2);
}
.header-top .container { display: flex; justify-content: space-between; align-items: center; }
.header-top a { color: rgba(255,255,255,0.85); }
.header-top a:hover { color: #e6a23c; }

/* 联系方式美化 - 透明底白字 */
.contact-info { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.contact-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0;
  background: transparent;
  transition: all 0.3s ease;
  cursor: default;
}
.contact-item a,
.contact-item i,
.contact-item span {
  color: rgba(255,255,255,0.95) !important;
  text-decoration: none !important;
  font-weight: 500;
  font-size: 14px;
}
.contact-item a:hover,
.contact-item:hover a,
.contact-item:hover i,
.contact-item:hover span {
  color: #e6a23c !important;
}

/* 微信图标特殊样式 */
#wechatIcon {
  cursor: pointer;
  background: transparent;
}
#wechatIcon i,
#wechatIcon span {
  color: #90ee90 !important;
}
#wechatIcon:hover i,
#wechatIcon:hover span {
  color: #fff !important;
}

/* 微信弹窗 */
.wechat-popup { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 99999; }
.wechat-popup.active { display: block; }
.wechat-popup-overlay {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.55);
  animation: fadeIn 0.25s ease;
}
.wechat-popup-box {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: #fff;
  border-radius: 12px;
  padding: 30px 28px 24px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
  animation: popIn 0.3s ease;
  min-width: 240px;
}
@keyframes fadeIn { from{opacity:0} to{opacity:1} }
@keyframes popIn {
  from { opacity:0; transform:translate(-50%,-45%) scale(0.92) }
  to   { opacity:1; transform:translate(-50%,-50%) scale(1)   }
}
.wechat-close {
  position: absolute; top: 10px; right: 14px;
  background: none; border: none;
  font-size: 26px; color: #999; cursor: pointer;
  line-height: 1; padding: 0 4px;
  transition: color 0.2s;
}
.wechat-close:hover { color: #333; }
.wechat-popup-title {
  font-size: 17px; font-weight: 700; color: #07c160;
  margin-bottom: 16px;
}
.wechat-popup-box img {
  width: 200px; height: 200px; margin: 0 auto 12px;
  border: 1px solid #eee; border-radius: 8px; display: inline-block;
}
.wechat-popup-tip {
  font-size: 13px; color: #666; line-height: 1.8;
  margin: 4px 0;
}
.wechat-popup-tip strong { color: #e6a23c; }

.header-main { padding: 0; }
.header-main .container { display: flex; align-items: center; justify-content: space-between; height: 80px; }

.logo a { display: flex; align-items: center; }
.logo img { height: 55px; }
.logo .logo-text { margin-left: 12px; }
.logo .logo-text h1 { font-size: 22px; font-weight: 700; color: #003366; line-height: 1.2; }
.logo .logo-text p { font-size: 12px; color: #888; letter-spacing: 1px; }

/* 导航 - 现代玻璃拟态风格 */
.main-nav ul { display: flex; align-items: center; gap: 8px; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
  display: block;
  padding: 0 22px;
  height: 48px;
  line-height: 48px;
  font-size: 15px;
  color: #444;
  font-weight: 500;
  border-radius: 24px;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.main-nav > ul > li > a::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #0066CC 0%, #003366 100%);
  opacity: 0;
  transition: opacity 0.35s;
  border-radius: 24px;
  z-index: -1;
}
.main-nav > ul > li > a:hover,
.main-nav > ul > li.current > a {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,102,204,0.35);
}
.main-nav > ul > li > a:hover::before,
.main-nav > ul > li.current > a::before {
  opacity: 1;
}
.main-nav > ul > li.current > a {
  font-weight: 600;
}

/* 二级菜单 - 玻璃拟态效果 */
.main-nav .sub-menu {
  display: block;
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) scale(0.95);
  min-width: 200px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.15), 0 0 0 1px rgba(255,255,255,0.5) inset;
  border-radius: 16px;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 8px;
  border: 1px solid rgba(255,255,255,0.3);
}
.main-nav .sub-menu::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-bottom: 10px solid rgba(255,255,255,0.95);
}
.main-nav .sub-menu li a {
  display: flex;
  align-items: center;
  padding: 12px 18px;
  font-size: 14px;
  color: #444;
  border-radius: 10px;
  transition: all 0.25s;
  position: relative;
}
.main-nav .sub-menu li a::before {
  content: '';
  width: 6px;
  height: 6px;
  background: #0066CC;
  border-radius: 50%;
  margin-right: 10px;
  opacity: 0;
  transform: scale(0);
  transition: all 0.25s;
}
.main-nav .sub-menu li a:hover {
  background: linear-gradient(135deg, #f0f6ff 0%, #e8f0ff 100%);
  color: #0066CC;
  padding-left: 18px;
}
.main-nav .sub-menu li a:hover::before {
  opacity: 1;
  transform: scale(1);
}
.main-nav > ul > li:hover .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) scale(1);
}

/* 导航项下划线动画 */
.main-nav > ul > li > a::after {
  content: '';
  position: absolute;
  bottom: 8px;
  left: 50%;
  width: 0;
  height: 3px;
  background: rgba(255,255,255,0.6);
  border-radius: 2px;
  transition: all 0.3s;
  transform: translateX(-50%);
}
.main-nav > ul > li > a:hover::after,
.main-nav > ul > li.current > a::after {
  width: 24px;
}

/* 手机菜单按钮 */
.menu-toggle { display: none; cursor: pointer; padding: 5px; }
.menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background: #333;
  margin: 5px 0;
  transition: all 0.3s;
}

/* ========== Banner 轮播 ========== */
.banner-section { position: relative; overflow: hidden; }
.banner-swiper { width: 100%; }
.banner-slide {
  position: relative;
  height: 580px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.banner-slide::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,30,80,0.75) 0%, rgba(0,50,120,0.45) 60%, transparent 100%);
}
.banner-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: #fff;
  width: 80%;
}
.banner-content h2 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 18px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
  line-height: 1.2;
}
.banner-content p {
  font-size: 18px;
  margin-bottom: 32px;
  opacity: 0.9;
  line-height: 1.6;
}
.banner-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.swiper-pagination-bullet { background: #fff; opacity: 0.6; }
.swiper-pagination-bullet-active { opacity: 1; background: #0066CC; }
.swiper-button-prev, .swiper-button-next { color: #fff; }

/* 假轮播（无Swiper时） */
.banner-static {
  position: relative;
  height: 580px;
  background: linear-gradient(135deg, #003366 0%, #0066CC 50%, #0099cc 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.banner-static::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('../images/banner-pattern.png') repeat;
  opacity: 0.05;
}

/* ========== 快捷服务栏 ========== */
.quick-services {
  background: #003366;
  padding: 30px 0;
}
.quick-services .container { display: flex; gap: 0; }
.quick-item {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 20px 24px;
  border-right: 1px solid rgba(255,255,255,0.1);
  transition: all 0.3s;
}
.quick-item:last-child { border-right: none; }
.quick-item:hover { background: rgba(255,255,255,0.05); }
.quick-icon {
  width: 52px;
  height: 52px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #7ec8ff;
  flex-shrink: 0;
}
.quick-text h4 { font-size: 15px; color: #fff; font-weight: 600; margin-bottom: 4px; }
.quick-text p { font-size: 12px; color: rgba(255,255,255,0.6); }

/* ========== 公司简介 ========== */
.about-section { padding: 80px 0; background: #fff; }
.about-inner { display: flex; gap: 60px; align-items: center; }
.about-img { flex: 1; position: relative; }
.about-img img { width: 100%; border-radius: 8px; box-shadow: 0 10px 40px rgba(0,50,120,0.15); }
.about-img .years-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 110px;
  height: 110px;
  background: #0066CC;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 5px 20px rgba(0,102,204,0.4);
}
.about-img .years-badge .num { font-size: 36px; font-weight: 700; line-height: 1; }
.about-img .years-badge .txt { font-size: 12px; opacity: 0.9; }
.about-content { flex: 1; }
.about-content .tag {
  display: inline-block;
  background: #e8f0ff;
  color: #0066CC;
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 13px;
  margin-bottom: 14px;
  font-weight: 500;
}
.about-content h2 { font-size: 32px; color: #003366; font-weight: 700; margin-bottom: 16px; line-height: 1.3; }
.about-content p { font-size: 15px; color: #555; line-height: 1.9; margin-bottom: 14px; }
.about-stats { display: flex; gap: 30px; margin: 28px 0; }
.stat-item { text-align: center; }
.stat-item .num { font-size: 36px; font-weight: 700; color: #0066CC; line-height: 1; }
.stat-item .num span { font-size: 18px; }
.stat-item .label { font-size: 13px; color: #888; margin-top: 5px; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 20px 0; }
.about-feature-item { display: flex; align-items: center; gap: 8px; font-size: 14px; color: #444; }
.about-feature-item i { color: #0066CC; font-size: 16px; }

/* ========== 业务范围 ========== */
.services-section { padding: 80px 0; background: #f5f8ff; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: #fff;
  border-radius: 10px;
  padding: 36px 28px;
  text-align: center;
  transition: all 0.4s;
  border: 1px solid #e8edf5;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, #003366, #0066CC);
  transform: scaleX(0);
  transition: transform 0.4s;
}
.service-card:hover { box-shadow: 0 15px 40px rgba(0,50,120,0.12); transform: translateY(-6px); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, #e8f0ff, #d0e4ff);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 30px;
  color: #0066CC;
  transition: all 0.4s;
}
.service-card:hover .service-icon {
  background: linear-gradient(135deg, #0066CC, #003366);
  color: #fff;
}
.service-card h3 { font-size: 18px; color: #003366; font-weight: 600; margin-bottom: 12px; }
.service-card p { font-size: 14px; color: #666; line-height: 1.8; }
.service-card .more-link {
  display: inline-block;
  margin-top: 18px;
  font-size: 13px;
  color: #0066CC;
  font-weight: 500;
}
.service-card .more-link:hover { text-decoration: underline; }

/* ========== 为什么选择我们 ========== */
.why-us-section { padding: 80px 0; background: #003366; color: #fff; }
.why-us-section .section-title h2 { color: #fff; }
.why-us-section .section-title h2::after { background: #7ec8ff; }
.why-us-section .section-title p { color: rgba(255,255,255,0.7); }
.why-us-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.why-item {
  text-align: center;
  padding: 36px 20px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  transition: all 0.3s;
}
.why-item:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.25); }
.why-icon { font-size: 40px; color: #7ec8ff; margin-bottom: 18px; }
.why-item h3 { font-size: 17px; font-weight: 600; color: #fff; margin-bottom: 10px; }
.why-item p { font-size: 13px; color: rgba(255,255,255,0.65); line-height: 1.8; }

/* ========== 项目案例 ========== */
.cases-section { padding: 80px 0; background: #fff; }
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.07);
  transition: all 0.4s;
}
.case-card:hover { box-shadow: 0 12px 35px rgba(0,50,120,0.15); transform: translateY(-5px); }
.case-img {
  position: relative;
  overflow: hidden;
  height: 220px;
}
.case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.case-card:hover .case-img img { transform: scale(1.08); }
.case-img .overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,50,120,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s;
}
.case-card:hover .case-img .overlay { opacity: 1; }
.overlay-btn {
  padding: 10px 22px;
  border: 2px solid #fff;
  color: #fff;
  border-radius: 4px;
  font-size: 14px;
}
.case-body { padding: 20px 22px; }
.case-body .cat-tag {
  display: inline-block;
  background: #e8f0ff;
  color: #0066CC;
  padding: 3px 10px;
  border-radius: 3px;
  font-size: 12px;
  margin-bottom: 8px;
}
.case-body h3 { font-size: 16px; color: #003366; font-weight: 600; margin-bottom: 8px; }
.case-body h3 a:hover { color: #0066CC; }
.case-body p { font-size: 13px; color: #777; line-height: 1.7; }

/* ========== 新闻资讯 ========== */
.news-section { padding: 80px 0; background: #f5f8ff; }
.news-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 30px; }
.news-main .news-big {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.06);
  margin-bottom: 20px;
}
.news-big-img { height: 280px; overflow: hidden; }
.news-big-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.news-big:hover .news-big-img img { transform: scale(1.05); }
.news-big-body { padding: 24px; }
.news-big-body .news-meta { font-size: 12px; color: #aaa; margin-bottom: 10px; }
.news-big-body .news-meta span { margin-right: 15px; }
.news-big-body h3 { font-size: 20px; color: #003366; font-weight: 600; margin-bottom: 12px; }
.news-big-body h3 a:hover { color: #0066CC; }
.news-big-body p { font-size: 14px; color: #666; line-height: 1.8; }

.news-list { display: flex; flex-direction: column; gap: 12px; }
.news-item {
  display: flex;
  gap: 15px;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  padding: 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  transition: all 0.3s;
}
.news-item:hover { box-shadow: 0 6px 20px rgba(0,50,120,0.1); transform: translateX(4px); }
.news-item-img { width: 90px; height: 70px; border-radius: 5px; overflow: hidden; flex-shrink: 0; }
.news-item-img img { width: 100%; height: 100%; object-fit: cover; }
.news-item-body { flex: 1; }
.news-item-body h4 { font-size: 14px; color: #333; font-weight: 600; margin-bottom: 6px; line-height: 1.4; }
.news-item-body h4 a:hover { color: #0066CC; }
.news-item-body .date { font-size: 12px; color: #aaa; }

.news-side { display: flex; flex-direction: column; gap: 20px; }
.side-widget { background: #fff; border-radius: 8px; padding: 24px; box-shadow: 0 4px 15px rgba(0,0,0,0.06); }
.side-widget-title {
  font-size: 17px;
  color: #003366;
  font-weight: 600;
  padding-bottom: 12px;
  border-bottom: 2px solid #e0e8f5;
  margin-bottom: 16px;
  position: relative;
}
.side-widget-title::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 40px;
  height: 2px;
  background: #0066CC;
}
.side-news-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed #eee;
}
.side-news-list li:last-child { border-bottom: none; }
.side-news-list .date-block {
  background: #0066CC;
  color: #fff;
  padding: 6px 10px;
  border-radius: 4px;
  text-align: center;
  flex-shrink: 0;
  font-size: 11px;
  line-height: 1.4;
}
.side-news-list .date-block .day { font-size: 20px; font-weight: 700; display: block; line-height: 1; }
.side-news-list .news-title a { font-size: 13px; color: #555; line-height: 1.6; }
.side-news-list .news-title a:hover { color: #0066CC; }

/* 热门标签 */
.tags-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tags-cloud a {
  display: inline-block;
  padding: 5px 14px;
  border: 1px solid #ddd;
  border-radius: 20px;
  font-size: 13px;
  color: #555;
  transition: all 0.3s;
}
.tags-cloud a:hover { border-color: #0066CC; background: #0066CC; color: #fff; }

/* ========== 资质证书 ========== */
.cert-section { padding: 80px 0; background: #fff; }
.cert-list { display: flex; gap: 20px; flex-wrap: wrap; justify-content: center; }
.cert-item {
  width: 180px;
  text-align: center;
  transition: all 0.3s;
}
.cert-item img {
  width: 100%;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  margin-bottom: 10px;
  transition: all 0.3s;
}
.cert-item:hover img { box-shadow: 0 8px 25px rgba(0,50,120,0.15); transform: translateY(-4px); }
.cert-item p { font-size: 13px; color: #666; }

/* ========== 合作客户 ========== */
.partners-section { padding: 60px 0; background: #f5f8ff; }
.partners-grid { display: flex; flex-wrap: wrap; gap: 0; border-top: 1px solid #e0e8f0; border-left: 1px solid #e0e8f0; }
.partner-item {
  width: calc(100% / 6);
  padding: 24px 20px;
  text-align: center;
  border-right: 1px solid #e0e8f0;
  border-bottom: 1px solid #e0e8f0;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.partner-item:hover { background: #fff; box-shadow: inset 0 0 0 2px #0066CC; }
.partner-item img { filter: grayscale(100%); opacity: 0.6; max-height: 50px; transition: all 0.3s; width: auto; }
.partner-item:hover img { filter: grayscale(0%); opacity: 1; }

/* ========== CTA区块 ========== */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #003366 0%, #0066CC 100%);
  text-align: center;
  color: #fff;
}
.cta-section h2 { font-size: 36px; font-weight: 700; margin-bottom: 16px; }
.cta-section p { font-size: 16px; opacity: 0.85; margin-bottom: 36px; }
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ========== Footer ========== */
#footer { background: #001a3a; color: rgba(255,255,255,0.75); }
.footer-main { padding: 60px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; }
.footer-brand .logo-wrap { margin-bottom: 18px; }
.footer-brand .logo-wrap h2 { font-size: 20px; color: #fff; font-weight: 700; }
.footer-brand .logo-wrap p { font-size: 12px; color: rgba(255,255,255,0.5); }
.footer-brand > p { font-size: 14px; line-height: 1.9; margin-bottom: 20px; }
.footer-socials { display: flex; gap: 10px; }
.footer-socials a {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: all 0.3s;
}
.footer-socials a:hover { background: #0066CC; color: #fff; }

.footer-col h3 { font-size: 15px; color: #fff; font-weight: 600; margin-bottom: 20px; padding-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 13px; color: rgba(255,255,255,0.65); transition: all 0.3s; }
.footer-links a::before { content: "▶ "; font-size: 10px; opacity: 0.5; }
.footer-links a:hover { color: #7ec8ff; padding-left: 5px; }

.footer-contact li { display: flex; gap: 10px; margin-bottom: 14px; font-size: 13px; color: rgba(255,255,255,0.65); }
.footer-contact li i { color: #7ec8ff; flex-shrink: 0; margin-top: 2px; width: 16px; }

.footer-qr { text-align: center; }
.footer-qr img { width: 100px; height: 100px; border-radius: 6px; margin: 0 auto 8px; }
.footer-qr p { font-size: 12px; color: rgba(255,255,255,0.5); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(255,255,255,0.45);
}
.footer-bottom a { color: rgba(255,255,255,0.45); }
.footer-bottom a:hover { color: #7ec8ff; }

/* ========== 内页通用 ========== */
.page-banner {
  background: linear-gradient(135deg, #003366 0%, #0066CC 100%);
  padding: 50px 0;
  color: #fff;
}
.page-banner h1 { font-size: 30px; font-weight: 700; }
.breadcrumb { font-size: 13px; color: rgba(255,255,255,0.65); margin-top: 10px; }
.breadcrumb a { color: rgba(255,255,255,0.65); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { margin: 0 8px; }

.inner-layout { display: grid; grid-template-columns: 1fr 280px; gap: 30px; padding: 50px 0; }
.inner-main { min-width: 0; }
.inner-side { min-width: 0; }

/* 侧边栏 */
.side-nav {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.07);
  margin-bottom: 24px;
}
.side-nav-title {
  background: #003366;
  color: #fff;
  padding: 16px 22px;
  font-size: 16px;
  font-weight: 600;
}
.side-nav ul li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 22px;
  font-size: 14px;
  color: #444;
  border-bottom: 1px solid #f0f0f0;
  transition: all 0.3s;
}
.side-nav ul li a:hover,
.side-nav ul li.current a {
  background: #f0f6ff;
  color: #0066CC;
  padding-left: 28px;
}
.side-nav ul li a::after { content: "›"; font-size: 16px; opacity: 0.4; }

/* 内页内容 */
.content-box {
  background: #fff;
  border-radius: 8px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.06);
}
.content-box h2 { font-size: 24px; color: #003366; font-weight: 700; margin-bottom: 20px; padding-bottom: 14px; border-bottom: 2px solid #e0e8f5; }

/* ========== 产品列表 ========== */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.product-card {
  border: 1px solid #e0e8f0;
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s;
  background: #fff;
}
.product-card:hover { box-shadow: 0 8px 25px rgba(0,50,120,0.12); transform: translateY(-4px); }
.product-img { height: 200px; overflow: hidden; }
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.product-card:hover .product-img img { transform: scale(1.06); }
.product-body { padding: 18px; }
.product-body h3 { font-size: 15px; color: #003366; font-weight: 600; margin-bottom: 8px; }
.product-body h3 a:hover { color: #0066CC; }
.product-body p { font-size: 13px; color: #777; line-height: 1.7; margin-bottom: 12px; }
.product-body .more { font-size: 13px; color: #0066CC; }

/* ========== 新闻列表页 ========== */
.news-list-page { }
.news-list-item {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid #f0f0f0;
  transition: all 0.3s;
}
.news-list-item:hover { background: #f9fbff; margin: 0 -30px; padding: 24px 30px; }
.news-list-item .news-thumb { width: 180px; height: 130px; border-radius: 6px; overflow: hidden; flex-shrink: 0; }
.news-list-item .news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-list-item .news-content { flex: 1; }
.news-list-item .news-content h3 { font-size: 17px; color: #003366; font-weight: 600; margin-bottom: 10px; }
.news-list-item .news-content h3 a:hover { color: #0066CC; }
.news-list-item .news-content .meta { font-size: 12px; color: #aaa; margin-bottom: 10px; }
.news-list-item .news-content .meta span { margin-right: 14px; }
.news-list-item .news-content p { font-size: 14px; color: #666; line-height: 1.8; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }

/* ========== 文章详情 ========== */
.article-header { margin-bottom: 28px; border-bottom: 1px solid #eee; padding-bottom: 20px; }
.article-header h1 { font-size: 26px; color: #003366; font-weight: 700; margin-bottom: 14px; line-height: 1.4; }
.article-meta { font-size: 13px; color: #aaa; }
.article-meta span { margin-right: 20px; }
.article-content { font-size: 15px; color: #444; line-height: 2; }
.article-content h2, .article-content h3 { color: #003366; margin: 24px 0 14px; }
.article-content p { margin-bottom: 16px; }
.article-content img { border-radius: 6px; margin: 14px 0; max-width: 100%; }
.article-content ul, .article-content ol { padding-left: 24px; margin-bottom: 16px; }
.article-content li { margin-bottom: 8px; }

.article-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid #eee;
  font-size: 14px;
}
.article-nav a { color: #555; }
.article-nav a:hover { color: #0066CC; }

/* ========== 联系我们 ========== */
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-info-block { }
.contact-info-block h2 { font-size: 26px; color: #003366; font-weight: 700; margin-bottom: 14px; }
.contact-info-block p { font-size: 15px; color: #666; line-height: 1.9; margin-bottom: 24px; }
.contact-items { display: flex; flex-direction: column; gap: 18px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px;
  background: #f5f8ff;
  border-radius: 8px;
}
.contact-item .ci-icon {
  width: 46px;
  height: 46px;
  background: #0066CC;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #fff;
  flex-shrink: 0;
}
.contact-item .ci-text h4 { font-size: 14px; color: #888; margin-bottom: 4px; }
.contact-item .ci-text p { font-size: 16px; color: #003366; font-weight: 600; }

/* 留言表单 */
.contact-form h2 { font-size: 24px; color: #003366; font-weight: 700; margin-bottom: 24px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; color: #555; margin-bottom: 7px; font-weight: 500; }
.form-group label .required { color: #e00; margin-left: 3px; }
.form-control {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #dde5f0;
  border-radius: 6px;
  font-size: 14px;
  color: #333;
  background: #f9fbff;
  transition: all 0.3s;
  font-family: inherit;
}
.form-control:focus { outline: none; border-color: #0066CC; background: #fff; box-shadow: 0 0 0 3px rgba(0,102,204,0.1); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.map-container { margin-top: 40px; border-radius: 8px; overflow: hidden; box-shadow: 0 4px 15px rgba(0,0,0,0.07); }
.map-container iframe { width: 100%; height: 350px; border: none; display: block; }

/* ========== 分页 ========== */
.pagination { display: flex; gap: 6px; justify-content: center; margin-top: 36px; }
.pagination a, .pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid #dde5f0;
  border-radius: 6px;
  font-size: 14px;
  color: #555;
  transition: all 0.3s;
}
.pagination a:hover { border-color: #0066CC; color: #0066CC; background: #f0f6ff; }
.pagination .current, .pagination span.active { background: #0066CC; border-color: #0066CC; color: #fff; }

/* ========== 回到顶部 ========== */
#back-top {
  position: fixed;
  bottom: 50px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: #0066CC;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(0,102,204,0.4);
  transition: all 0.3s;
  z-index: 999;
  display: none;
}
#back-top:hover { background: #003366; transform: translateY(-3px); }

/* ========== 响应式 ========== */
@media (max-width: 1200px) {
  .container { padding: 0 20px; }
}
@media (max-width: 992px) {
  .banner-slide { height: 450px; }
  .banner-content h2 { font-size: 36px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-us-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .inner-layout { grid-template-columns: 1fr; }
  .news-layout { grid-template-columns: 1fr; }
  .partner-item { width: calc(100% / 4); }
}
@media (max-width: 768px) {
  .header-top { display: none; }
  .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; box-shadow: 0 10px 30px rgba(0,0,0,0.1); padding: 10px 0; }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; }
  .main-nav > ul > li > a { height: auto; line-height: 1.5; padding: 14px 20px; border-bottom: 1px solid #f0f0f0; }
  .main-nav .sub-menu { position: static; box-shadow: none; border-top: none; background: #f5f8ff; display: none; }
  .menu-toggle { display: block; }
  .banner-slide { height: 320px; }
  .banner-content h2 { font-size: 26px; }
  .banner-content p { font-size: 15px; }
  .quick-services .container { flex-direction: column; gap: 0; }
  .quick-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .about-inner { flex-direction: column; }
  .about-stats { gap: 20px; }
  .services-grid { grid-template-columns: 1fr; }
  .why-us-grid { grid-template-columns: 1fr 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .partner-item { width: calc(100% / 3); }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .section-title h2 { font-size: 24px; }
  .banner-content h2 { font-size: 22px; }
  .why-us-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .partner-item { width: calc(100% / 2); }
}