.pc_header_panel {
  position: relative;
  width: 100%;
  min-width: 1200px;
}
.pc_header_panel .pc_header_brand .brand_wrap {
  width: 1200px;
  height: 100%;
  margin:0 auto;
}
.pc_header_panel .pc_header_brand .brand_wrap .logo{padding:10px;}
.pc_header_panel .pc_header_platform_info .pc_header_platform_pointer {
  display: flex;
  width: 1276px;
  cursor: pointer;
  margin:0 auto;
  height:60px;
  align-items:center;
}
.pc_header_panel .pc_header_platform_info_logo {
  margin-top: 6px;
  margin-right: 16px;
  width: 22px;
  height: 27px;
  background: url(../images/logo.png) no-repeat;
  background-size: contain;
}
.pc_header_panel .pc_header_platform_info_name {
  font-size: 18px;
  font-weight: bold;
  line-height: 24px;
  color: #12558a;
  letter-spacing: 0.05em;
}
.pc_header_panel .pc_header_platform_info_nameEng {
  font-size: 12px;
  font-weight: bold;
  line-height: 12px;
  color: #12558a;
  letter-spacing: 0.8px;
  transform: translateX(-68px) scale(0.7);
}
.pc_header_panel .pc_header_banner {
  width: 100%;
  line-height: 0;
}
.pc_header_panel .pc_header_banner img {
  display: block;
  width: 100%;
  height: auto;
}

.pc_header_tab {
  position: sticky;
  position: -webkit-sticky;
  top: 0;
  display: flex;
  justify-content: center;
  width: 100%;
  height: 60px;
  z-index: 2;
  background: url(../images/tab_bg.png) center no-repeat, #fff;
  background-size: cover;
}
.pc_header_tab .pc_header_tab_item a{display:block;text-indent:-9999px;}
.pc_header_tab .pc_header_tab_content {
  display: flex;
  justify-content: flex-start;
}
.pc_header_tab .pc_header_tab_item {
  width: 200px;
  line-height: 60px;
  font-family: Alibaba PuHuiTi;
  text-align: center;
  color: #ffffff;
  cursor: pointer;
}
.pc_header_tab .pc_header_tab_item.home {
  background: url(../images/home.png) center no-repeat;
}
.pc_header_tab .pc_header_tab_item.home.active {
  background: url(../images/home_active.png) center no-repeat, #fff;
}
.pc_header_tab .pc_header_tab_item.notice {
  background: url(../images/notice.png) center no-repeat;
}
.pc_header_tab .pc_header_tab_item.notice.active {
  background: url(../images/notice_active.png) center no-repeat, #fff;
}
.pc_header_tab .pc_header_tab_item.require {
  background: url(../images/require.png) center no-repeat;
}
.pc_header_tab .pc_header_tab_item.require.active {
  background: url(../images/require_active.png) center no-repeat, #fff;
}
.pc_header_tab .pc_header_tab_item.process {
  background: url(../images/process.png) center no-repeat;
}
.pc_header_tab .pc_header_tab_item.process.active {
  background: url(../images/process_active.png) center no-repeat, #fff;
}
.pc_header_tab .pc_header_tab_item.works {
  background: transparent;
}
.pc_header_tab .pc_header_tab_item.works a {
  text-indent: 0 !important;
  color: #fff;
  font-size: 18px;
  letter-spacing: 1px;
}
.pc_header_tab .pc_header_tab_item.works.active {
  background: url(../images/works_active.png) center no-repeat, #fff;
}
.pc_header_tab .pc_header_tab_item.works.active a {
  text-indent: -9999px !important;
}
.pc_header_tab .pc_header_tab_item.set {
  background: url(../images/set.html) center no-repeat;
}
.pc_header_tab .pc_header_tab_item.set.active {
  background: url(../images/set_active.html) center no-repeat, #fff;
}
.pc_header_tab .pc_header_tab_item.signUp {
  background: url(../images/signUp.png) center no-repeat;
}
.pc_header_tab .pc_header_tab_item.signUp.active {
  background: url(../images/signUp_active.png) center no-repeat, #fff;
}
.pc_header_tab .pc_header_tab_item.newss {
  background: url(../images/3news.png) center no-repeat;
}
.pc_header_tab .pc_header_tab_item.newss.active {
  background: url(../images/3news_active.png) center no-repeat, #fff;
}
.pc_header_tab .pc_header_tab_item.news {
  background: url(../images/news.png) center no-repeat;
}
.pc_header_tab .pc_header_tab_item.news.active {
  background: url(../images/news_active.png) center no-repeat, #fff;
}
/* 2.0 竞赛平台入口（外链，右侧高亮按钮，无需额外图片资源） */
.pc_header_tab .pc_header_tab_item.platform {
  width: 168px;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pc_header_tab .pc_header_tab_item.platform a {
  display: inline-block;
  text-indent: 0 !important;
  padding: 0 20px;
  height: 38px;
  line-height: 38px;
  border-radius: 999px;
  background: #ffd75e;
  color: #8e1f24 !important;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
  transition: transform 0.15s ease, background 0.15s ease;
}
.pc_header_tab .pc_header_tab_item.platform a:hover {
  background: #ffcf3d;
  transform: translateY(-1px);
}
@media (max-width: 1200px) {
  .pc_header_tab .pc_header_tab_item {
    width: 150px;
  }
  .pc_header_tab .pc_header_tab_item.platform {
    width: 140px;
  }
  .pc_header_tab .pc_header_tab_item.platform a {
    padding: 0 14px;
    font-size: 15px;
  }
}