/**
 * kailiaoji.net PbootCMS 模板样式
 * 版本: 1.0.0
 * 描述: 竞价托管公司网站模板样式
 * 
 * 目录结构:
 * 1. 基础重置与全局样式
 * 2. 布局与容器
 * 3. 头部导航
 * 4. 移动端导航
 * 5. Banner轮播
 * 6. 首页模块
 * 7. 内页通用
 * 8. 关于页
 * 9. 案例页
 * 10. 新闻页
 * 11. 联系页
 * 12. 底部
 * 13. 分页
 * 14. 动画效果
 * 15. 响应式
 */

/* ========================================
   1. 基础重置与全局样式
   ======================================== */

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

html {
  font-size: 14px;
  scroll-behavior: smooth;
}

body {
  font-family: "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
  color: #333;
  line-height: 1.6;
  background-color: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: #333;
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: #1a6fb5;
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  border: none;
  vertical-align: middle;
}

input, textarea, button {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

.clearfix::after {
  content: "";
  display: block;
  clear: both;
  height: 0;
  overflow: hidden;
}

/* ========================================
   2. 布局与容器
   ======================================== */

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

.section {
  padding: 60px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 40px;
}

.section-title strong {
  display: block;
  font-size: 28px;
  font-weight: bold;
  color: #333;
  margin-bottom: 10px;
}

.section-title span {
  color: #1a6fb5;
}

.section-title p {
  font-size: 16px;
  color: #666;
  margin-top: 10px;
}

/* 图片辅助类 */
.img-cover {
  position: relative;
  overflow: hidden;
}

.img-cover span {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
}

.img-center {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.img-center img {
  max-width: 100%;
}

/* ========================================
   3. 头部导航
   ======================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 70px;
  background-color: #fff;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  z-index: 1000;
}

.header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header .logo {
  display: flex;
  align-items: center;
}

.header .logo img {
  height: 50px;
  width: auto;
}

.header .nav {
  display: flex;
  align-items: center;
}

.header .nav li {
  position: relative;
  display: inline-block;
  line-height: 70px;
}

.header .nav li a {
  display: block;
  padding: 0 20px;
  color: #333;
  font-size: 15px;
}

.header .nav li a:hover,
.header .nav li.active a {
  color: #1a6fb5;
}

.header .nav li.arr {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-bottom: 5px solid #1a6fb5;
}

.header .nav li.dropdown {
  position: relative;
}

.header .nav li.dropdown::after {
  content: "▼";
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 8px;
  color: #666;
}

.header .nav .dropdown-box {
  display: none;
  position: absolute;
  top: 70px;
  left: 50%;
  transform: translateX(-50%);
  background-color: #fff;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
  min-width: 150px;
  border-radius: 4px;
  overflow: hidden;
}

.header .nav li.dropdown:hover .dropdown-box {
  display: block;
}

.header .nav .dropdown-box p {
  line-height: 40px;
  text-align: center;
  border-bottom: 1px solid #f0f0f0;
}

.header .nav .dropdown-box p:last-child {
  border-bottom: none;
}

.header .nav .dropdown-box a {
  display: block;
  padding: 0 15px;
}

/* 移动端汉堡菜单按钮 */
.header .sp_nav {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  cursor: pointer;
  z-index: 1001;
}

.header .sp_nav span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: #333;
  transition: all 0.3s ease;
}

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

.header .sp_nav.active span:nth-child(2) {
  opacity: 0;
}

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

/* ========================================
   4. 移动端导航
   ======================================== */

.sp_nav-box {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  width: 100%;
  height: calc(100vh - 70px);
  background-color: rgba(0, 0, 0, 0.95);
  z-index: 999;
  overflow-y: auto;
}

.sp_nav-box.active {
  display: block;
}

.sp_nav-box .container {
  padding-top: 20px;
}

.sp_nav-box .inner {
  text-align: center;
}

.sp_nav-box .inner .logo img {
  height: 40px;
  margin-bottom: 20px;
}

.sp_nav-box .inner ul li {
  line-height: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sp_nav-box .inner ul li a {
  display: block;
  color: #fff;
  font-size: 16px;
}

/* ========================================
   5. Banner轮播
   ======================================== */

.swiper-container.banner {
  margin-top: 70px;
  width: 100%;
  height: 500px;
  overflow: hidden;
}

.banner .img-cover {
  width: 100%;
  height: 100%;
}

.banner .img-cover span {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
}

.swiper-pagination-white .swiper-pagination-bullet {
  background: rgba(255, 255, 255, 0.8);
  opacity: 1;
}

.swiper-pagination-white .swiper-pagination-bullet-active {
  background: #fff;
}

/* ========================================
   6. 首页模块
   ======================================== */

/* 数据统计条 */
.in-total {
  display: flex;
  justify-content: space-between;
  margin: -30px auto 0;
  background-color: #1a6fb5;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  z-index: 10;
  box-shadow: 0 4px 20px rgba(26, 111, 181, 0.3);
}

.in-total li {
  flex: 1;
  text-align: center;
  padding: 25px 10px;
  color: #fff;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.in-total li:last-child {
  border-right: none;
}

.in-total li span {
  display: block;
}

.in-total li strong {
  font-size: 36px;
  font-weight: bold;
  margin-right: 5px;
}

/* 服务模块 */
.in-seo {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -10px;
}

.in-seo li {
  width: calc(33.333% - 20px);
  margin: 10px;
  background-color: #fff;
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.in-seo li:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.in-seo li .img-center {
  padding: 30px;
  height: 120px;
}

.in-seo li .img-center img {
  max-height: 60px;
  width: auto;
}

.in-seo li p {
  text-align: center;
  padding: 0 15px 20px;
  font-size: 16px;
  color: #333;
  font-weight: 500;
}

/* 问题描述区 */
.in-desc {
  background-color: #1a2a3a;
  color: #fff;
}

.in-desc .container {
  display: flex;
  align-items: center;
  padding: 40px 15px;
}

.in-desc .logo {
  flex-shrink: 0;
  margin-right: 40px;
}

.in-desc .logo img {
  max-width: 200px;
}

.in-desc .text {
  flex: 1;
}

.in-desc .text a {
  display: inline-block;
  padding: 8px 20px;
  margin: 5px;
  border: 1px solid #1a6fb5;
  border-radius: 4px;
  color: #fff;
  font-size: 14px;
}

.in-desc .text a:hover {
  background-color: #1a6fb5;
  color: #fff;
}

.in-desc .text h4 {
  font-size: 24px;
  margin-bottom: 15px;
  color: #fff;
}

.in-desc .text h5 {
  font-size: 16px;
  color: #ccc;
  margin-bottom: 15px;
  line-height: 1.8;
}

.in-desc .text p {
  font-size: 14px;
  color: #999;
  line-height: 1.8;
  margin-bottom: 20px;
}

.in-desc .text > a {
  display: inline-block;
  padding: 12px 30px;
  background-color: #ff6600;
  color: #fff;
  border-radius: 4px;
  font-size: 16px;
  font-weight: bold;
}

.in-desc .text > a:hover {
  background-color: #e65500;
  color: #fff;
}

/* 解决方案 */
.in-server {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -10px;
}

.in-server li {
  width: calc(20% - 20px);
  margin: 10px;
  background-color: #fff;
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.in-server li:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.in-server li .img-center {
  padding: 30px;
  height: 100px;
}

.in-server li .img-center img {
  max-height: 50px;
  width: auto;
}

.in-server li h4 {
  text-align: center;
  font-size: 18px;
  color: #333;
  padding: 0 15px;
  margin-bottom: 10px;
}

.in-server li p {
  text-align: center;
  font-size: 13px;
  color: #666;
  padding: 0 15px;
  line-height: 1.6;
}

.in-server li span {
  display: block;
  text-align: center;
  padding: 15px;
  margin-top: 10px;
  font-size: 12px;
  color: #1a6fb5;
  background-color: #f5f8fa;
}

/* 效果保障 */
.list-1 {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 900px;
  margin: 0 auto;
}

.list-1 li {
  flex: 1;
  min-width: 200px;
  max-width: 225px;
  margin: 10px;
  text-align: center;
}

.list-1 li .img-center {
  padding: 20px;
}

/* 案例分类导航 */
.in-menu {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.in-menu li {
  margin: 5px;
}

.in-menu li a {
  display: block;
  padding: 10px 25px;
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 4px;
  color: #666;
  font-size: 14px;
  transition: all 0.3s ease;
}

.in-menu li a:hover,
.in-menu li.active a {
  background-color: #1a6fb5;
  border-color: #1a6fb5;
  color: #fff;
}

/* 案例列表 */
.list-1 li .img-cover {
  height: 200px;
  border-radius: 8px;
  overflow: hidden;
}

.list-1 li .text {
  padding: 15px 0;
}

.list-1 li .text .inner {
  text-align: left;
}

.list-1 li .text h4 {
  font-size: 16px;
  color: #333;
  margin-bottom: 8px;
  font-weight: 500;
}

.list-1 li .text p {
  font-size: 13px;
  color: #666;
  line-height: 1.6;
}

/* 常见问题 */
.in-dynamic {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -10px;
}

.in-dynamic li {
  width: calc(50% - 20px);
  margin: 10px;
  background-color: #fff;
  border-radius: 8px;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.in-dynamic li:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.in-dynamic li h4 {
  padding: 20px 20px 10px;
  font-size: 16px;
  color: #333;
  font-weight: 500;
}

.in-dynamic li p {
  padding: 0 20px 20px;
  font-size: 13px;
  color: #666;
  line-height: 1.6;
}

/* 合作流程 */
.in-process {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -10px;
}

.in-process li {
  width: calc(16.666% - 20px);
  margin: 10px;
  text-align: center;
  position: relative;
}

.in-process li::after {
  content: "→";
  position: absolute;
  right: -20px;
  top: 40px;
  color: #1a6fb5;
  font-size: 20px;
}

.in-process li:last-child::after {
  display: none;
}

.in-process li .img-center {
  padding: 20px;
  height: 80px;
}

.in-process li .img-center img {
  max-height: 50px;
  width: auto;
}

.in-process li h4 {
  font-size: 16px;
  color: #333;
  margin: 10px 0 5px;
}

.in-process li p {
  font-size: 12px;
  color: #666;
}

/* 营销CTA */
.in-partone {
  display: flex;
  margin: 0 -10px;
}

.in-partone li {
  flex: 1;
  margin: 10px;
  background: linear-gradient(135deg, #1a6fb5 0%, #0d5a9e 100%);
  border-radius: 8px;
  overflow: hidden;
}

.in-partone li:nth-child(2) {
  background: linear-gradient(135deg, #ff6600 0%, #e65500 100%);
}

.in-partone li .wrap {
  padding: 40px 30px;
  text-align: center;
}

.in-partone li h4 {
  font-size: 22px;
  color: #fff;
  margin-bottom: 20px;
}

.in-partone li a {
  display: inline-block;
  padding: 12px 35px;
  background-color: #fff;
  color: #333;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 500;
}

.in-partone li a:hover {
  transform: scale(1.05);
}

/* 就绪区 */
.in-ready {
  background: linear-gradient(135deg, #1a2a3a 0%, #0d1520 100%);
  text-align: center;
  padding: 60px 0;
}

.in-ready h4 {
  font-size: 32px;
  color: #fff;
  margin-bottom: 25px;
}

.in-ready .btn a {
  display: inline-block;
  padding: 15px 50px;
  background-color: #ff6600;
  color: #fff;
  border-radius: 4px;
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 20px;
}

.in-ready .btn a:hover {
  background-color: #e65500;
  color: #fff;
}

.in-ready p {
  color: #999;
  font-size: 14px;
}

/* 新闻动态 */
.index-news-con {
  overflow: hidden;
}

/* 新闻区：左侧大图 + 右侧文章列表并排 */
.index-news-con .swiper-slide {
  display: flex;
  align-items: flex-start;
  gap: 30px;
}

.index-news-con .swiper-slide .img-center {
  flex-shrink: 0;
  width: 340px;
  max-width: 40%;
}

.index-news-con .swiper-slide .img-center img {
  width: 100%;
  height: auto;
  border-radius: 4px;
}

.index-news-con .swiper-slide .list-2 {
  flex: 1;
  min-width: 0;
}

.list-2 li {
  display: flex;
  padding: 15px 0;
  border-bottom: 1px solid #eee;
}

.list-2 li:last-child {
  border-bottom: none;
}

.list-2 li .date {
  flex-shrink: 0;
  width: 70px;
  text-align: center;
  padding-right: 15px;
  border-right: 2px solid #1a6fb5;
  margin-right: 15px;
}

.list-2 li .date strong {
  display: block;
  font-size: 28px;
  color: #1a6fb5;
  line-height: 1;
  font-weight: 700;
}

.list-2 li .date span {
  display: block;
  font-size: 12px;
  color: #999;
  margin-top: 4px;
}

.list-2 li .text {
  flex: 1;
  min-width: 0;
}

.list-2 li .text h4 {
  font-size: 15px;
  color: #333;
  margin-bottom: 6px;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.list-2 li a:hover .text h4 {
  color: #1a6fb5;
}

.list-2 li .text p {
  font-size: 13px;
  color: #999;
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 友情链接 */
.yunu-link {
  padding-top: 20px;
}

.yunu-link h4 {
  font-size: 18px;
  color: #333;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #1a6fb5;
  display: inline-block;
}

.yunu-link h4 small {
  font-size: 12px;
  color: #999;
  font-weight: normal;
  margin-left: 10px;
}

.yunu-link li {
  display: inline-block;
  margin: 5px 15px 5px 0;
}

.yunu-link li a {
  color: #666;
  font-size: 14px;
}

.yunu-link li a:hover {
  color: #1a6fb5;
}

/* ========================================
   7. 内页通用
   ======================================== */

/* 内页banner */
.banner-sub {
  height: 200px;
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
  margin-top: 70px;
  display: flex;
  align-items: center;
}

.banner-sub .inner {
  color: #fff;
  font-size: 28px;
  font-weight: bold;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.banner-content .inner {
  width: 100%;
}

.banner-content .content-title {
  padding: 30px 0 20px;
}

.banner-content h1 {
  font-size: 26px;
  color: #fff;
  font-weight: bold;
  margin-bottom: 15px;
  line-height: 1.4;
  text-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.banner-content .content-title p {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,0.75);
}

.banner-content .weizhi {
  color: rgba(255,255,255,0.75);
  font-size: 14px;
}

.banner-content .content-title p span {
  color: rgba(255,255,255,0.75);
}

/* 面包屑导航 */
.position {
  background-color: #f5f5f5;
  padding: 15px 0;
  font-size: 14px;
  color: #666;
}

.position i {
  display: inline-block;
  width: 12px;
  height: 12px;
  margin-right: 5px;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1024 1024"><path fill="%23999" d="M366 205l290 297-290 297z"/></svg>') no-repeat center center;
  background-size: contain;
}

/* 子栏目导航 */
.lanmu {
  background-color: #fff;
  padding: 20px 0;
  border-bottom: 1px solid #eee;
}

.lanmu-title {
  font-size: 20px;
  color: #1a6fb5;
  font-weight: bold;
  margin-bottom: 15px;
}

.lanmu ul {
  display: flex;
  flex-wrap: wrap;
}

.lanmu ul li {
  margin-right: 10px;
  margin-bottom: 10px;
}

.lanmu ul li a {
  display: block;
  padding: 8px 20px;
  background-color: #f5f5f5;
  border-radius: 4px;
  color: #666;
  font-size: 14px;
  transition: all 0.3s ease;
}

.lanmu ul li a:hover,
.lanmu ul li.active a {
  background-color: #1a6fb5;
  color: #fff;
}

/* 侧边栏 */
.v-lanmu {
  float: left;
  width: 220px;
  margin-right: 30px;
  background-color: #fff;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.v-lanmu li {
  border-bottom: 1px solid #eee;
}

.v-lanmu li:last-child {
  border-bottom: none;
}

.v-lanmu li a {
  display: block;
  padding: 15px 20px;
  color: #333;
  font-size: 14px;
}

.v-lanmu li a:hover,
.v-lanmu li a.active {
  background-color: #1a6fb5;
  color: #fff;
}

.v-lanmu li a strong {
  display: block;
  font-size: 15px;
  margin-bottom: 3px;
}

/* 主内容区 */
.v-main {
  float: left;
  width: calc(100% - 250px);
}

.content-main {
  background-color: #fff;
  border-radius: 4px;
  padding: 30px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.content-body {
  line-height: 1.8;
  color: #333;
  font-size: 15px;
}

.content-body p {
  margin-bottom: 15px;
}

.content-body img {
  max-width: 100%;
  height: auto;
  margin: 15px 0;
  border-radius: 4px;
}

.content-body h2,
.content-body h3,
.content-body h4 {
  margin: 20px 0 10px;
  color: #333;
}

.content-body ul,
.content-body ol {
  margin: 15px 0;
  padding-left: 25px;
}

.content-body li {
  list-style: disc;
  margin-bottom: 8px;
}

/* 上一篇下一篇 */
.content-exp {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid #eee;
}

.content-exp li {
  padding: 8px 0;
  font-size: 14px;
  color: #666;
}

.content-exp li a {
  color: #1a6fb5;
}

.content-exp li a:hover {
  text-decoration: underline;
}

/* 相关阅读 */
.content-xg {
  margin-top: 20px;
  padding: 25px;
  background-color: #fff;
  border-radius: 4px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  overflow: hidden;
}

.content-xg-left,
.content-xg-right {
  float: left;
  width: 50%;
  box-sizing: border-box;
  -webkit-box-sizing: border-box;
}

.content-xg-left {
  padding-right: 20px;
}

.content-xg-right {
  padding-left: 20px;
  border-left: 1px solid #e0e0e0;
}

.content-xg .tit {
  font-size: 16px;
  color: #333;
  font-weight: bold;
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 2px solid #1a6fb5;
  display: inline-block;
}

.content-xg ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.content-xg li {
  padding: 8px 0;
  border-bottom: 1px dashed #eee;
}

.content-xg li:last-child {
  border-bottom: none;
}

.content-xg li a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #555;
  font-size: 14px;
  line-height: 1.5;
}

.content-xg li a:hover {
  color: #1a6fb5;
}

.content-xg li span {
  color: #999;
  font-size: 12px;
  flex-shrink: 0;
  margin-left: 10px;
}

/* ========================================
   8. 关于页
   ======================================== */

.about-1 {
  display: flex;
  align-items: flex-start;
  background-color: #fff;
  border-radius: 8px;
  padding: 30px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.about-1 .img-center {
  flex-shrink: 0;
  width: 300px;
  margin-right: 40px;
}

.about-1 .img-center img {
  width: 100%;
  border-radius: 8px;
}

.about-1 .text {
  flex: 1;
  line-height: 1.8;
  font-size: 15px;
  color: #333;
}

.about-1 .text p {
  margin-bottom: 15px;
}

/* ========================================
   9. 案例页
   ======================================== */

.case-wrap {
  padding: 0 15px;
}

.case-wrap .list-1 li {
  background-color: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.case-wrap .list-1 li:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.case-wrap .list-1 li .img-cover {
  height: 180px;
}

/* ========================================
   10. 新闻页
   ======================================== */

.section-sub {
  padding: 40px 0;
}

.list-3 li {
  display: flex;
  background-color: #fff;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 20px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.list-3 li:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.list-3 li .img-center {
  flex-shrink: 0;
  width: 220px;
  height: 160px;
  overflow: hidden;
}

.list-3 li .img-center img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.list-3 li .text {
  flex: 1;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.list-3 li h4 {
  font-size: 18px;
  color: #333;
  margin-bottom: 10px;
  font-weight: 500;
}

.list-3 li p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
  margin-bottom: 10px;
  flex: 1;
}

.list-3 li span {
  font-size: 12px;
  color: #999;
}

/* ========================================
   11. 联系页
   ======================================== */

.contact {
  display: flex;
  background-color: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.contact-left {
  flex: 1;
  padding: 40px;
  background: linear-gradient(135deg, #1a6fb5 0%, #0d5a9e 100%);
  color: #fff;
}

.contact-left .tel {
  font-size: 16px;
  margin-bottom: 20px;
}

.contact-left .tel strong {
  display: block;
  font-size: 32px;
  font-weight: bold;
  margin-top: 5px;
}

.contact-left ul li {
  padding: 12px 0;
  font-size: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-left ul li:last-child {
  border-bottom: none;
}

.contact-left ul li.i1::before {
  content: "●";
  margin-right: 10px;
  color: #ff6600;
}

.contact-left ul li.i2::before {
  content: "●";
  margin-right: 10px;
  color: #ff6600;
}

.contact-right {
  flex-shrink: 0;
  width: 300px;
  padding: 40px;
  text-align: center;
}

.contact-right dl {
  margin-bottom: 20px;
}

.contact-right dt {
  margin-bottom: 15px;
}

.contact-right dt img {
  width: 150px;
  height: 150px;
  border-radius: 8px;
}

.contact-right dd h4 {
  font-size: 18px;
  color: #333;
  margin-bottom: 10px;
}

.contact-right dd p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

/* ========================================
   12. 底部
   ======================================== */

.footer {
  background-color: #1a2a3a;
  color: #fff;
  padding-top: 0;
}

/* 底部服务保障条 */
.footer-top {
  background: linear-gradient(135deg, #0d1520 0%, #1a2a3a 100%);
  padding: 18px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.footer-top .container {
  display: flex;
  justify-content: center;
  gap: 0;
}

.footer-top span {
  display: inline-flex;
  align-items: center;
  padding: 8px 30px;
  font-size: 14px;
  color: #ccc;
  position: relative;
}

.footer-top span::before {
  content: "✓";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  color: #fff;
  margin-right: 8px;
  font-size: 12px;
  font-weight: bold;
  flex-shrink: 0;
}

.footer-top span.i1::before { background-color: #ff6600; }
.footer-top span.i2::before { background-color: #28a745; }
.footer-top span.i4::before { background-color: #6f42c1; }
.footer-top span.i5::before { background-color: #e83e8c; }

/* 底部主体：4列链接 + 右侧电话 */
.footer > .container {
  display: flex;
  flex-wrap: wrap;
  padding: 35px 0 20px;
}

.footer dl {
  flex: 1;
  min-width: 140px;
  margin-right: 20px;
  margin-bottom: 25px;
}

.footer dt {
  font-size: 15px;
  font-weight: bold;
  margin-bottom: 15px;
  color: #fff;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  position: relative;
}

.footer dt::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 40px;
  height: 2px;
  background-color: #1a6fb5;
}

.footer dd {
  margin: 0;
}

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

.footer dd ul li {
  padding: 6px 0;
}

.footer dd a {
  color: #999;
  font-size: 13px;
  transition: color 0.3s;
}

.footer dd a:hover {
  color: #1a6fb5;
}

/* 底部联系列 */
.footer .lx {
  flex: 1.5;
  min-width: 200px;
}

.footer .lx dt {
  font-size: 14px;
  color: #ccc;
}

.footer .lx .tel {
  font-size: 26px;
  font-weight: bold;
  color: #ff6600;
  margin-bottom: 10px;
  letter-spacing: 1px;
}

/* 版权信息 */
.footer-copy {
  background-color: #0d1520;
  padding: 18px 0;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-copy p {
  text-align: center;
  font-size: 13px;
  color: #666;
  margin: 0;
}

.footer-copy a {
  color: #999;
}

.footer-copy a:hover {
  color: #1a6fb5;
}

/* ========================================
   13. 分页
   ======================================== */

.pages {
  text-align: center;
  padding: 30px 0;
}

.pagination {
  display: inline-flex;
  justify-content: center;
  flex-wrap: wrap;
}

.pagination a,
.pagination span {
  display: inline-block;
  padding: 8px 15px;
  margin: 3px;
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 4px;
  color: #666;
  font-size: 14px;
  transition: all 0.3s ease;
}

.pagination a:hover {
  background-color: #1a6fb5;
  border-color: #1a6fb5;
  color: #fff;
}

.pagination .active {
  background-color: #1a6fb5;
  border-color: #1a6fb5;
  color: #fff;
}

.pagination .disabled {
  opacity: 0.5;
  pointer-events: none;
}

/* ========================================
   14. 动画效果
   ======================================== */

/* WOW 动画初始化 */
.wow {
  visibility: hidden;
}

.wow.animated {
  visibility: visible;
}

/* 数字滚动动画辅助 */
.timer {
  display: inline-block;
}

/* 淡入上浮 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fadeInUp {
  animation: fadeInUp 0.6s ease forwards;
}

/* 淡入左移 */
@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.fadeInLeft {
  animation: fadeInLeft 0.6s ease forwards;
}

/* 淡入右移 */
@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.fadeInRight {
  animation: fadeInRight 0.6s ease forwards;
}

/* 淡入 */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fadeIn {
  animation: fadeIn 0.6s ease forwards;
}

/* 弹入 */
@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.bounceIn {
  animation: bounceIn 0.6s ease forwards;
}

/* ========================================
   15. 响应式
   ======================================== */

/* 平板 */
@media (max-width: 1200px) {
  .container {
    max-width: 960px;
  }
  
  .in-server li {
    width: calc(25% - 20px);
  }
  
  .in-process li {
    width: calc(33.333% - 20px);
  }
  
  .in-process li::after {
    display: none;
  }
}

/* 小平板 */
@media (max-width: 992px) {
  .section {
    padding: 40px 0;
  }
  
  .section-title strong {
    font-size: 24px;
  }
  
  .in-total {
    flex-wrap: wrap;
  }
  
  .in-total li {
    width: 50%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  }
  
  .in-seo li {
    width: calc(50% - 20px);
  }
  
  .in-server li {
    width: calc(33.333% - 20px);
  }
  
  .in-partone {
    flex-direction: column;
  }
  
  .about-1 {
    flex-direction: column;
  }
  
  .about-1 .img-center {
    width: 100%;
    margin-right: 0;
    margin-bottom: 30px;
  }
  
  .contact {
    flex-direction: column;
  }
  
  .contact-right {
    width: 100%;
  }
  
  .v-lanmu {
    float: none;
    width: 100%;
    margin-right: 0;
    margin-bottom: 30px;
    display: flex;
    flex-wrap: wrap;
  }
  
  .v-lanmu li {
    border-bottom: none;
  }
  
  .v-main {
    float: none;
    width: 100%;
  }
  
  .content-xg-left,
  .content-xg-right {
    float: none;
    width: 100%;
  }
  
  .content-xg-right {
    padding-left: 0;
    border-left: none;
    margin-top: 20px;
  }
}

/* 手机 */
@media (max-width: 768px) {
  html {
    font-size: 13px;
  }
  
  .header .nav {
    display: none;
  }
  
  .header .sp_nav {
    display: flex;
  }
  
  .swiper-container.banner {
    height: 300px;
  }
  
  .section-title {
    margin-bottom: 25px;
  }
  
  .section-title strong {
    font-size: 20px;
  }
  
  .section-title p {
    font-size: 14px;
  }
  
  .in-total {
    margin-top: -20px;
  }
  
  .in-total li {
    width: 50%;
    padding: 15px 10px;
  }
  
  .in-total li strong {
    font-size: 28px;
  }
  
  .in-seo li {
    width: calc(50% - 20px);
  }
  
  .in-seo li .img-center {
    height: 80px;
    padding: 15px;
  }
  
  .in-seo li .img-center img {
    max-height: 40px;
  }
  
  .in-seo li p {
    font-size: 14px;
    padding: 0 10px 15px;
  }
  
  .in-desc .container {
    flex-direction: column;
    text-align: center;
  }
  
  .in-desc .logo {
    margin-right: 0;
    margin-bottom: 20px;
  }
  
  .in-desc .logo img {
    max-width: 150px;
  }
  
  .in-server li {
    width: calc(50% - 20px);
  }
  
  .in-server li .img-center {
    height: 80px;
    padding: 15px;
  }
  
  .in-process li {
    width: calc(50% - 20px);
  }
  
  .in-process li .img-center {
    height: 60px;
  }
  
  .in-partone li .wrap {
    padding: 30px 20px;
  }
  
  .in-partone li h4 {
    font-size: 18px;
  }
  
  .in-ready h4 {
    font-size: 24px;
  }
  
  .in-ready .btn a {
    padding: 12px 30px;
    font-size: 16px;
  }
  
  .list-1 li {
    min-width: 45%;
  }
  
  .list-1 li .img-cover {
    height: 150px;
  }
  
  .in-dynamic li {
    width: calc(100% - 20px);
  }
  
  .list-3 li {
    flex-direction: column;
  }
  
  .list-3 li .img-center {
    width: 100%;
    height: 180px;
  }
  
  .contact-left {
    padding: 30px 20px;
  }
  
  .contact-left .tel strong {
    font-size: 24px;
  }
  
  .footer-top .container {
    flex-wrap: wrap;
    justify-content: center;
  }

  .footer-top span {
    padding: 6px 15px;
    font-size: 13px;
  }

  .footer > .container {
    flex-direction: column;
  }

  .footer dl {
    width: 100%;
    margin-right: 0;
  }

  .footer .lx {
    width: 100%;
  }

  /* 新闻区移动端：图+列表竖排 */
  .index-news-con .swiper-slide {
    flex-direction: column;
  }

  .index-news-con .swiper-slide .img-center {
    width: 100%;
    max-width: 100%;
    margin-bottom: 15px;
  }
  
  .banner-sub {
    height: 150px;
  }
  
  .banner-sub .inner {
    font-size: 22px;
  }
  
  .banner-content h1 {
    font-size: 22px;
  }
  
  .content-main {
    padding: 20px;
  }
  
  .content-xg {
    padding: 15px;
  }
  
  .about-1 {
    padding: 20px;
  }
  
  .swiper-container.banner {
    margin-top: 60px;
    height: 250px;
  }
  
  .header {
    height: 60px;
  }
  
  .sp_nav-box {
    top: 60px;
  }
  
  .lanmu ul li {
    margin-right: 5px;
    margin-bottom: 5px;
  }
  
  .lanmu ul li a {
    padding: 6px 15px;
    font-size: 13px;
  }
}

/* 小屏手机 */
@media (max-width: 480px) {
  .container {
    padding: 0 10px;
  }
  
  .in-seo li {
    width: calc(100% - 20px);
  }
  
  .in-server li {
    width: calc(100% - 20px);
  }
  
  .in-process li {
    width: calc(100% - 20px);
  }
  
  .in-total li {
    width: 100%;
  }
  
  .list-1 li {
    min-width: 100%;
    max-width: 100%;
  }
  
  .pagination a,
  .pagination span {
    padding: 6px 10px;
    font-size: 12px;
  }
}

/* ========================================
   16. 辅助类
   ======================================== */

/* 隐藏 */
.hidden {
  display: none !important;
}

/* 显示 */
.show {
  display: block !important;
}

/* 文本截断 */
.text-overflow {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 多行文本截断 */
.text-overflow-2 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.text-overflow-3 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}

/* 滚动条美化 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #1a6fb5;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #0d5a9e;
}

/* 选中文字颜色 */
::selection {
  background-color: #1a6fb5;
  color: #fff;
}