@font-face {
  font-family: "SourceHanSerifCN-Regular";
  src: url("/indexStyle/font/SourceHanSerifCN-Regular.woff") format("woff"), url("/indexStyle/font/SourceHanSerifCN-Regular.ttf") format("truetype"), url("/indexStyle/font/SourceHanSerifCN-Regular.eot") format("embedded-opentype");
}

@font-face {
  font-family: "SourceHanserifCN-Bold";
  src: url("https://www.csscbidding.com/font/SourceHanserifCN-Bold.otf");
}

/* yui3 reset.css */
body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
code,
form,
fieldset,
legend,
input,
textarea,
p,
blockquote,
th,
td {
  margin: 0;
  padding: 0;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

fieldset,
img {
  border: 0;
  vertical-align: top;
}

address,
caption,
cite,
code,
dfn,
th,
var {
  font-style: normal;
  font-weight: normal;
}

ol,
ul {
  list-style: none;
}

caption,
th {
  text-align: left;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 100%;
  font-weight: normal;
}

q:before,
q:after {
  content: "";
}

abbr,
acronym {
  border: 0;
  font-variant: normal;
}

sup {
  vertical-align: text-top;
}

sub {
  vertical-align: text-bottom;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  *font-size: 100%;
}

legend {
  color: #000;
}

iframe {
  display: block;
}

/* yui3 fonts */
body {
  color: #333;
  font-family: system-ui, -apple-system, Segoe UI, Rototo, Helvetica, Arial, sans-serif;
  font-size: 16px;
  width: 100%;
  min-width: 100%;
  margin: 0;
  overflow-x: hidden;
}

/* 确保html也是100%宽度 */
html {
  width: 100%;
  margin: 0;
  padding: 0;
  /* overflow-x: hidden; */
}

table {
  font-size: inherit;
  font: 100%;
}

pre,
code,
kbd,
samp,
tt {
  font-family: monospace;
  *font-size: 108%;
  line-height: 100%;
}

a {
  text-decoration: none;
}

input,
button,
textarea {
  border: 0;
  outline: 0;
}

input[type=text]::-ms-clear,
input[type=password]::-ms-reveal {
  display: none;
}

textarea::-webkit-input-placeholder,
input::-webkit-input-placeholder {
  color: #999;
}

textarea::-moz-placeholder,
input::-moz-placeholder {
  color: #999;
}

textarea:-moz-placeholder,
input:-moz-placeholder {
  color: #999;
}

textarea:-ms-input-placeholder,
input:-ms-input-placeholder {
  color: #999;
}

.placeholder {
  color: #999;
}

/* utilities */
.center-block {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.clearfix {
  *zoom: 1;
}

.clearfix:before,
.clearfix:after {
  display: table;
  line-height: 0;
  content: "";
}

.clearfix:after {
  clear: both;
}

.l {
  float: left !important;
}

.r {
  float: right !important;
}

.hidden {
  display: none !important;
}

.invisible {
  visibility: hidden !important;
}

.trans {
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1);
}

.text-overflow {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

/* 通用样式 */
@font-face {
  font-family: opsb;
  src: url(/indexStyle/font/oppo-bold.ttf);
}

/* 调整容器宽度 */
.container {
  width: 93%;
  /* 改为固定宽度980px */
  margin: 0 auto;
  padding: 0 15px;
  box-sizing: border-box;
}

/* 添加响应式处理 */
@media screen and (max-width: 980px) {
  .container {
    width: 100%;
    /* 小于980px时自适应宽度 */
    padding: 0 15px;
  }
}

.header .container {
  height: 94px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 10000;
}

/* PC端logo样式 */
.header .container>a {
  display: block;
  width: 25%;
  margin-right: 30px;
}

.header .container>a img {
  width: 100%;
  height: auto;
  display: block;
}

.header .container .title {
  padding-left: 108px;
  color: #1B3646;
  font-size: 24px;
  font-weight: bold;
  background: url(/indexStyle/image/header-title-en.png) no-repeat left center;
}

.header .container nav {
  flex: 1;
}

.header .container nav .main-nav {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
}

.header .container nav .main-nav li {
  white-space: nowrap;
  padding: 0 15px;
}

.header .container nav ul li {
  height: 40px;
  line-height: 40px;
}

.header .container nav ul li:not(:last-child) {
  margin-right: 28px;
}

.header .container nav ul li.active {
  font-weight: bold;
  border-bottom: 2px solid #00428E;
}

.header .container nav ul li a {
  color: #333;
}

.header .container nav ul li a.active {
  color: #00428E;
}

/* PC端搜索框基础样式 */
.header .container .search {
  width: auto;
  min-width: 200px;
}

.header .container .search .search-form {
  display: flex;
  align-items: center;
  position: relative;
}

.header .container .search input {
  width: 100%;
  height: 36px;
  padding: 0 40px 0 15px;
  border: 1px solid #eee;
  border-radius: 18px;
  background: #fff;
}

.header .container .search .button {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 36px;
  background: transparent;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.header .container .search .search-icon {
  position: static;
  width: 16px;
  height: 16px;
  background: url(/indexStyle/image/search.png) no-repeat center;
  background-size: contain;
}

.header .container .san {
  position: relative;
}

.footer {
  height: 260px;
  /* padding-top: 38px; */
  background: #0B294B;
}

.footer .chosen-container-single .chosen-single,
.footer .chosen-container-active.chosen-with-drop .chosen-single {
  border: 1px solid #728FB0;
  background-color: #0B294B;
  color: rgba(255, 255, 255, 0.6);
  background-image: none;
  box-shadow: none;
  height: 36px;
  line-height: 36px;
}

.footer .chosen-container-single .chosen-single div {
  right: 8px;
}

.footer .chosen-container-single .chosen-single div b {
  background: url(/indexStyle/image/arrow-down.png) no-repeat center;
}

.footer .chosen-container .chosen-drop {
  background-color: #0B294B;
}

.footer .chosen-container .chosen-results li {
  color: rgba(255, 255, 255, 0.6);
}

.footer .friend-list {
  display: flex;
  justify-content: space-between;
}

.footer .footer-msg {
  /* display: flex; */
  /* align-items: center; */
  /* margin-top: 20px; */
  line-height: 30px;
  color: #8590A1;
}

.footer .footer-msg ul {
  width: 1300px;
  color: #8590A1;
  display: flex;
  flex-wrap: wrap;
  margin-right: 40px;
}

.footer .footer-msg ul li {
  /* margin-right: 40px; */
  /* width: 30%; */
}

.footer .footer-msg ul li:nth-child(3) {
  margin-right: 0;
}

.footer .footer-msg ul li:nth-child(6) {
  margin-right: 0;
}

.footer .footer-msg ul li:nth-child(n+4) {
  margin-top: 15px;
}

.footer .footer-msg ul li:nth-child(n+7) {
  /* width: 15%; */
}

/* .footer .footer-msg ul li:nth-child(n+9) {
  width: 30%;
} */

.footer .footer-msg ul li:nth-child(11) {
  width: 100%;
}

.box {
  background: #fff;
  border-radius: 10px;
  padding-top: 2px;
  position: relative;
  box-sizing: border-box;
}

.box .more {
  position: absolute;
  right: 20px;
  top: 22px;
  font-size: 16px;
  color: #666;
  padding-right: 15px;
  background: url(/indexStyle/image/more.png) no-repeat right center;
}

.icon-title {
  padding-left: 90px;
  color: #00428E;
  font-size: 24px;
  height: 60px;
  line-height: 60px;
  position: relative;
  font-weight: bold;
  background: url(/indexStyle/image/long-title-bg.png) no-repeat left 30px center;
}

.icon-title::before {
  content: "";
  width: 80px;
  height: 80px;
  position: absolute;
  left: -10px;
  top: -8px;
}

.normal-title {
  padding-left: 18px;
  color: #00428E;
  font-size: 24px;
  height: 60px;
  line-height: 60px;
  font-weight: bold;
  background: url(/indexStyle/image/short-title-more.png) no-repeat left center;
}

.normal-title.no-more {
  background: url(/indexStyle/image/short-title-no-more.png) no-repeat left center;
}

/* 2023-04-19 zsy */
/* 子页面通用布局 */
.footer {
  box-sizing: border-box;
}

.sub-header {
  height: 326px;
  background-repeat: no-repeat;
  background-position: center 72px;
}

.sub-header .header {
  background-color: #fff;
}

.sub-menu {
  width: 210px;
  background-color: #fff;
}

.sub-menu-hd {
  position: relative;
  height: 104px;
  padding: 37px 0 0 30px;
  box-sizing: border-box;
  color: #fff;
  /* font-weight: 600; */
  background-color: #00428E;
}

.sub-menu-hd:before {
  position: absolute;
  left: 30px;
  top: 22px;
  content: "";
  width: 18px;
  height: 1px;
  background-color: #fff;
}

.sub-menu-hd .title {
  height: 20px;
  line-height: 20px;
  font-size: 22px;
}

.sub-menu-hd .english {
  height: 18px;
  line-height: 18px;
  margin-top: 7px;
  text-transform: uppercase;
}

.sub-menu-item {
  height: 66px;
  line-height: 64px;
  border-top: 2px solid #F0F5FC;
  box-sizing: border-box;
}

.sub-menu-item>a {
  display: block;
  height: 64px;
  padding: 0 10px 0 30px;
  border-right: 2px solid transparent;
  color: #333;
  font-size: 16px;
}

.sub-menu-item.current>a,
.sub-menu-item:hover>a {
  border-color: #00428E;
  color: #00428E;
  font-weight: 600;
  background: linear-gradient(to right, rgba(255, 255, 255, 0.5), rgba(0, 66, 142, 0.15));
}

.sub-content {
  width: calc(100% - 240px);
  margin-left: 30px;
}

.sub-total {
  height: 54px;
  line-height: 46px;
  padding: 0 20px;
  border: 4px solid #fff;
  box-sizing: border-box;
  color: #3A587A;
  background-color: #EAEFF5;
}

.sub-search {
  position: relative;
  height: 30px;
  margin-top: 8px;
}

.sub-search-input {
  display: block;
  width: 182.5px;
  height: 30px;
  line-height: 30px;
  padding: 0 36px 0 12px;
  background: #fff;
  border-radius: 4px;
  box-sizing: border-box;
}

.sub-search-icon {
  display: block;
  width: 17px;
  height: 17px;
  position: absolute;
  right: 12px;
  top: 6px;
  cursor: pointer;
  background: url("/indexStyle/image/sub_serch_ico.png") no-repeat;
}

.news-item {
  display: flex;
  min-height: 67px;
  /* line-height: 59px; */
  padding-left: 22px;
  border-bottom: 1px dashed #ddd;
  box-sizing: border-box;
  font-size: 16px;
  background: url("/indexStyle/image/news_ico.png") no-repeat left center;
  align-items: center;
  justify-content: space-between;
}

.news-item:hover p,
.news-item:hover .news-info,
.news-item:hover .news-date {
  color: #00428E;
}

.news-info {
  /* width: calc(100% - 120px); */
  color: #333;
}

.news-date {
  width: 120px;
  text-align: right;
  color: #999;
}

.pager {
  margin-top: 40px;
}

.pager .m-pagination-page>li>a {
  height: 34px;
  line-height: 30px;
  padding: 0 10px 0 12px;
  border: 2px solid #ECEDF2;
  box-sizing: border-box;
  color: #4E5463;
}

.pager .m-pagination-page>li.active>a {
  color: #00428E;
  border-color: #00428E;
  background: #fff;
}

/* 当前位置 */
.breadcrumb {
  height: 21px;
  line-height: 21px;
  padding: 20px 0 20px 23px;
  background: url("/indexStyle/image/location.png") no-repeat left center;
  color: #666;
}

.breadcrumb-item+.breadcrumb-item:before {
  padding: 0 4px;
  color: #00428E;
  content: "/";
}

.breadcrumb-item>a {
  color: #666;
}

.breadcrumb-item.active {
  color: #00428E;
}

/* 2023-05-24 zsy */
.sub-menu-hd .title {
  font-weight: normal;
}

.header .container nav ul {
  margin-left: 26px;
}

/* 2024-01-18*/
.header .container .has-child {
  position: relative;
  z-index: 10;
}

.header .container nav>ul>li:hover {
  font-weight: bold;
  border-bottom: 2px solid transparent;
}

.header .container nav>ul>li:hover a {
  color: #00428E;
}

.header .container .sub-list {
  position: absolute;
  top: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  min-width: 160px;
  width: max-content;
  display: none;
  margin: 0;
  margin-top: 10px;
  padding: 5px 0;
  background: #fff;
  box-shadow: 0 0 3px 1px rgba(0, 0, 0, .1);
}

.header .container .sub-list .sub-item {
  margin: 0;
  text-align: center;
  white-space: nowrap;
  height: 40px;
  line-height: 40px;
}

.header .container .sub-list .sub-item a {
  display: block;
  padding: 0 20px;
  color: #333;
  transition: all .3s;
  height: 100%;
  line-height: 40px;
}

.header .container .sub-item:hover a {
  background: #EAEFF5;
  color: #00428E;
}

.header .container .has-child:hover .sub-list {
  display: block;
}

.footer-info {
  display: flex;
  justify-content: space-between;
}

/* 修改悬浮栏样式 */
.float-bar {
  position: fixed;
  right: 0;
  /* 贴近右侧边缘 */
  bottom: 200px;
  z-index: 999;
}

.float-bar li {
  position: relative;
  width: 60px;
  /* 增加宽度 */
  height: 60px;
  /* 增加高度 */
  background: rgba(255, 255, 255, 0.98);
  margin-bottom: 1px;
  transition: all 0.3s ease;
}

.float-bar li:hover {
  background: #00428e;
}

.float-bar li a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: #333;
  font-size: 12px;
  text-decoration: none;
}

.float-bar li a img {
  width: 24px;
  height: 24px;
  margin-bottom: 4px;
  transition: all 0.3s ease;
}

.float-bar li:hover a {
  color: #fff;
}

.float-bar li:hover a img {
  filter: brightness(100);
  /* 图标变白色 */
  transform: scale(1.1);
  /* 图标轻微放大 */
}

/* 修改悬浮框样式 */
.float-bar .hover-box {
  position: absolute;
  right: 70px;
  top: 50%;
  transform: translateY(-50%);
  background: #fff;
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  display: none;
  text-align: center;
  white-space: nowrap;
}

.float-bar li:hover .hover-box {
  display: block;
}

/* 二维码框样式 */
.float-bar .qrcode-box {
  width: 160px;
}

.float-bar .qrcode-box img {
  width: 130px;
  height: 130px;
  padding: 5px;
  border: 1px solid #eee;
  border-radius: 4px;
}

.float-bar .qrcode-box p {
  margin-top: 8px;
  color: #333;
  font-size: 14px;
}

/* 电话框样式 */
.float-bar .phone-box {
  padding: 15px 25px;
}

.float-bar .phone-box .phone-number {
  color: #00428e;
  font-size: 22px;
  font-weight: bold;
  letter-spacing: 1px;
}

.float-bar .phone-box .phone-tip {
  margin-top: 6px;
  color: #666;
  font-size: 12px;
}

/* 通用悬浮框箭头 */
.float-bar .hover-box:after {
  content: '';
  position: absolute;
  right: -8px;
  top: 50%;
  transform: translateY(-50%);
  border-left: 8px solid #fff;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  filter: drop-shadow(2px 0 2px rgba(0, 0, 0, 0.1));
}

/* 返回顶部按钮 */
.float-bar .gotop {
  display: none;
}

.float-bar .gotop.show {
  display: block;
}

.float-bar .gotop a img {
  width: 20px;
  height: 20px;
}

.main-nav .has-child {
  position: relative;
}

.main-nav .has-child:hover .sub-list {
  display: block;
}

.sub-list {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: #fff;
  min-width: 200px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  z-index: 100;
}

.sub-list .sub-item {
  padding: 10px 20px;
}

.sub-list .sub-item a {
  color: #333;
  text-decoration: none;
  display: block;
}

.sub-list .sub-item:hover {
  background: #f5f5f5;
}

/* 右侧容器改为flex布局 */
.container-r {
  display: flex;
  flex-direction: column;
}

/* 友情链接区域自适应填充 */
.box5 {
  flex: 1;
  margin-top: 23px;
  padding: 0 20px 20px;
  display: flex;
  flex-direction: column;
}

.box5 .normal-title {
  flex: none;
}

.box5 .box-ct {
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* 友情链接列表样式 */
.friend-links {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 15px 10px;
  justify-content: space-between;
}

/* 重写列表项样式 */
.friend-links li {
  position: relative;
  height: 60px;
  background: #fff;
  border: 1px solid #eee;
  border-radius: 4px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.friend-links li:not(:last-child) {
  margin-bottom: 12px;
}

.friend-links li:hover {
  border-color: #00428e;
  box-shadow: 0 2px 8px rgba(0, 66, 142, 0.1);
  transform: translateX(5px);
}

/* 重写链接样式 */
.friend-links li a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  /* padding: 10px; 添加内边距防止图片贴边 */
}

/* 重写图片样式 */
.friend-links li img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* 填充模式改为cover */
}

.friend-links li:hover img {
  transform: scale(1.02);
}

/* 移动端样式 */
@media screen and (max-width: 768px) {
  body {
    min-width: auto;
  }

  .container {
    width: 100%;
    padding: 0 15px;
    box-sizing: border-box;
  }

  /* header容器样式 */
  .header .container {
    height: 60px;
    position: relative;
    padding: 0 15px;
    display: flex;
    /* 使用flex布局 */
    align-items: center;
    /* 垂直居中 */
  }

  /* logo样式 */
  .header .container .logo {
    width: 180px;
    /* 增大logo尺寸 */
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    margin: 0;
  }

  /* 汉堡菜单按钮样式 */
  .menu-toggle {
    display: block;
    width: 24px;
    height: 20px;
    position: relative;
    /* 改为相对定位 */
    cursor: pointer;
    z-index: 900;
    background: transparent;
    /* 添加透明背景 */
    border: none;
    /* 移除边框 */
    padding: 0;
    /* 移除内边距 */
    margin: 0;
    /* 移除外边距 */
  }

  .menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: #333;
    position: absolute;
    transition: .3s;
  }

  .menu-toggle span:nth-child(1) {
    top: 0;
  }

  .menu-toggle span:nth-child(2) {
    top: 9px;
  }

  .menu-toggle span:nth-child(3) {
    top: 18px;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg);
    top: 9px;
  }

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

  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg);
    top: 9px;
  }

  /* 移动导航基础样式 */
  .mobile-nav {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    max-width: 280px;
    height: 100vh;
    background: #fff;
    z-index: 999;
    transition: all 0.3s ease;
    overflow-y: auto;
  }

  .mobile-nav.active {
    left: 0;
  }

  /* 导航标题 */
  .mobile-nav:before {
    content: '导航菜单';
    display: block;
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    height: 50px;
    line-height: 50px;
    padding: 0 50px 0 20px;
    /* 右侧留出关闭按钮的空间 */
    background: #00428E;
    color: #fff;
    font-size: 16px;
    z-index: 2;
  }

  /* 导航菜单列表 */
  .header .container .mobile-nav .main-nav {
    display: block;
    width: 100%;
    padding: 0;
    margin: 0;
    background: #fff;
  }

  /* 导航菜单项 */
  .header .container .mobile-nav .main-nav li {
    width: 100%;
    height: auto;
    line-height: normal;
    text-align: left;
    border-bottom: 1px solid #eee;
    margin: 0;
    position: relative;
    background: #fff;
  }

  .header .container .mobile-nav .main-nav li a {
    display: block;
    padding: 15px 20px;
    color: #333;
    font-size: 15px;
    position: relative;
  }

  /* 子菜单样式优化 */
  .header .container .mobile-nav .sub-list {
    display: none;
    width: 100%;
    margin: 0;
    padding: 0;
    background: #f8f8f8;
    position: static;
    /* 改为静态定位 */
    box-shadow: none;
    /* 移除阴影 */
    transform: none;
    /* 移除transform */
  }

  /* 子菜单展开状态 */
  .header .container .mobile-nav .has-child.active .sub-list {
    display: block;
  }

  /* 子菜单项样式 */
  .header .container .mobile-nav .sub-list .sub-item {
    width: 100%;
    height: auto;
    /* 自适应高度 */
    line-height: 1.5;
    /* 调整行高 */
    padding: 0;
    margin: 0;
    border-bottom: 1px solid #eee;
    background: #f8f8f8;
  }

  .header .container .mobile-nav .sub-list .sub-item a {
    display: block;
    width: 100%;
    padding: 12px 20px 12px 40px;
    font-size: 14px;
    color: #666;
    position: relative;
    box-sizing: border-box;
    white-space: normal;
    /* 允许文字换行 */
    word-break: break-all;
    /* 在任意字符间断行 */
  }

  /* 子菜单项前的小圆点 */
  .header .container .mobile-nav .sub-list .sub-item a:before {
    content: '';
    position: absolute;
    left: 25px;
    top: 30px;
    /* 调整圆点位置，与文字对齐 */
    width: 4px;
    height: 4px;
    background: #999;
    border-radius: 50%;
  }

  /* 子菜单项激活状态 */
  .header .container .mobile-nav .sub-list .sub-item.active a,
  .header .container .mobile-nav .sub-list .sub-item a:active {
    color: #00428E;
    background: rgba(0, 66, 142, 0.05);
  }

  .header .container .mobile-nav .sub-list .sub-item.active a:before {
    background: #00428E;
  }

  /* 展开/收起箭头 */
  .header .container .mobile-nav .has-child>a:after {
    content: '';
    position: absolute;
    right: 20px;
    top: 50%;
    width: 8px;
    height: 8px;
    border-right: 2px solid #999;
    border-bottom: 2px solid #999;
    transform: translateY(-50%) rotate(45deg);
    transition: transform 0.3s;
  }

  .header .container .mobile-nav .has-child.active>a:after {
    transform: translateY(-50%) rotate(-135deg);
    border-color: #00428E;
  }

  /* 关闭按钮 */
  .mobile-nav .close-btn {
    position: absolute;
    right: 15px;
    top: 15px;
    width: 20px;
    height: 20px;
    cursor: pointer;
    z-index: 3;
    background: transparent;
    border: none;
    padding: 0;
    margin: 0;
  }

  /* 关闭按钮的两条线 */
  .mobile-nav .close-btn:before,
  .mobile-nav .close-btn:after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 20px;
    height: 2px;
    background: #fff;
  }

  .mobile-nav .close-btn:before {
    transform: translate(-50%, -50%) rotate(45deg);
  }

  .mobile-nav .close-btn:after {
    transform: translate(-50%, -50%) rotate(-45deg);
  }

  /* 移除其他可能影响的样式 */
  .mobile-nav .close-btn:hover,
  .mobile-nav .close-btn:focus {
    background: transparent;
    outline: none;
  }

  /* 遮罩层 */
  .overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
  }

  .overlay.active {
    display: block;
  }

  /* 禁止body滚动 */
  body.no-scroll {
    overflow: hidden;
  }

  /* 搜索框容器样式 */
  .header .container .search {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
  }

  /* 搜索按钮默认样式 */
  .header .container .search .button {
    width: 36px;
    height: 36px;
    background: #f5f5f5;
    border-radius: 50%;
    position: absolute;
    right: 0;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    z-index: 2;
  }

  /* 搜索输入框默认样式 - 完全隐藏 */
  .header .container .search input {
    display: none;
    width: 0;
    height: 36px;
    padding: 0;
    border: none;
    border-radius: 18px;
    opacity: 0;
    visibility: hidden;
  }

  /* 搜索框激活状态 */
  .header .container .search .search-form.active input {
    display: block;
    width: 180px;
    height: 36px;
    padding: 0 40px 0 15px;
    border: 1px solid #eee;
    border-radius: 18px;
    background: #fff;
    opacity: 1;
    visibility: visible;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
  }

  /* 激活状态下的按钮 */
  .header .container .search .search-form.active .button {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 36px;
    background: transparent;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* 激活状态下的搜索图标 */
  .header .container .search .search-form.active .search-icon {
    position: static;
    width: 16px;
    height: 16px;
    background: url(/indexStyle/image/search.png) no-repeat center;
    background-size: contain;
    opacity: 0.6;
  }

  /* 输入框placeholder样式 */
  .header .container .search input::placeholder {
    color: #999;
    font-size: 14px;
  }
}

/* 桌面端时隐藏汉堡菜单 */
@media screen and (min-width: 769px) {
  .menu-toggle {
    display: none;
  }

  .overlay {
    display: none;
  }

  .mobile-nav {
    position: static;
    width: auto;
    height: auto;
    padding: 0;
    overflow: visible;
    background: none;
  }

  .main-nav {
    flex-direction: row;
  }

  .header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 94px;
  }

  .header .container>a {
    flex-shrink: 0;
  }

  .header .container nav {
    flex: 1;
    margin: 0 30px;
  }

  .header .container .search {
    flex-shrink: 0;
  }
}