* {
  box-sizing: border-box;
}

html,
body {
  min-width: 1200px;
}

body {
  margin: 0;
  color: #333;
  background: #fff;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

ul,
p,
h1,
h2 {
  margin: 0;
  padding: 0;
}

ul {
  list-style: none;
}

.site-container {
  width: 1200px;
  margin: 0 auto;
}

.site-header {
  height: 112px;
  background: #fff;
}

.header-inner {
  height: 112px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  width: 610px;
}

.site-logo img {
  width: 610px;
  height: auto;
}

.site-search {
  width: 288px;
  height: 42px;
  display: flex;
  align-items: center;
  border: 1px solid #dbe7f7;
  border-radius: 22px;
  background: #f8fbff;
  padding-left: 18px;
}

.site-search-input {
  width: 232px;
  height: 38px;
  border: 0;
  outline: 0;
  color: #3a4a5f;
  background: transparent;
  font-size: 14px;
}

.site-search-input::placeholder {
  color: #8fa3bb;
}

.site-search-button {
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  background: #0069c9;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background .2s ease, transform .2s ease;
}

.site-search-button:hover {
  background: #0054b7;
  transform: translateY(-1px);
}

.site-search-button img {
  width: 18px;
  height: 18px;
  filter: brightness(0) invert(1);
}

.main-nav {
  height: 58px;
  background: #0065bd;
}

.nav-inner {
  height: 58px;
}

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

.nav-item {
  position: relative;
  height: 100%;
}

.nav-link {
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 13px;
  color: #fff;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.2;
  transition: background .2s ease;
  white-space: nowrap;
}

.nav-link img {
  width: 22px;
  height: 22px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.nav-item:hover > .nav-link,
.nav-item.active > .nav-link {
  background: rgba(255, 255, 255, .13);
}

.sub-menu,
.sub-sub-menu {
  position: absolute;
  display: none;
  background: #0065bd;
  box-shadow: 0 6px 16px rgba(0, 0, 0, .15);
  z-index: 100;
}

.sub-menu {
  top: 100%;
  left: 0;
  width: 100%;
  min-width: 0;
  padding: 6px 0;
}

.sub-sub-menu {
  top: 0;
  left: 100%;
  min-width: 180px;
  padding: 6px 0;
}

.nav-item:hover > .sub-menu,
.sub-menu-item:hover > .sub-sub-menu {
  display: block;
}

.sub-menu-item,
.sub-sub-menu-item {
  position: relative;
}

.sub-menu-link,
.sub-sub-menu-link {
  display: block;
  padding: 0 20px;
  color: #fff;
  font-size: 15px;
  line-height: 44px;
  white-space: nowrap;
  transition: background .2s ease;
  text-align: center;
}

.sub-menu-link:hover,
.sub-sub-menu-link:hover,
.sub-menu-item.active > .sub-menu-link,
.sub-sub-menu-item.active > .sub-sub-menu-link {
  background: rgba(255, 255, 255, .13);
}

.banner {
  width: 100%;
  height: 756px;
  overflow: hidden;
}

.banner-swiper,
.banner-swiper .swiper-wrapper,
.banner-swiper .swiper-slide {
  width: 100%;
  height: 100%;
}

.banner-swiper .swiper-slide {
  display: block;
}

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

.news-area {
  display: grid;
  grid-template-columns: 790px 360px;
  column-gap: 50px;
  padding-top: 46px;
}

.section-head {
  height: 58px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
}

.title-stack {
  width: 185px;
  min-width: 185px;
  display: block;
  position: relative;
}

.notice-title {
  width: 238px;
  min-width: 238px;
}
.center-head{
    display: flex;
    justify-content: center;
    align-items: center;
}
.title-stack h2,
.center-head h2 {
  color: #005fb9;
  font-size: 28px;
  font-weight: 700;
  line-height: 34px;
  letter-spacing: 0;
}

.title-stack img {
  height: 22px;
  width: auto;
  margin-top: -5px;
}

.title-stack .text-en {
  display: block;
  margin-top: -3px;
  color: #bfdcf6;
  font-family: Arial, sans-serif;
  font-size: 22px;
  font-weight: 700;
  line-height: 24px;
}

.head-line {
  flex: 1;
  height: 1px;
  margin-top: 19px;
  border-top: 1px dashed #a5c8e8;
}

.more-link {
  height: 24px;
  display: flex;
  align-items: center;
  gap: 6px;
  color: #0065bd;
  font-size: 14px;
  white-space: nowrap;
  margin-top: 8px;
}

.more-link img {
  width: 12px;
  height: 12px;
}

.news-layout {
  display: grid;
  grid-template-columns: 355px 1fr;
  column-gap: 28px;
}

.lead-news {
  display: block;
  background: #fff;
}

.lead-image {
  position: relative;
  display: block;
  width: 355px;
  height: 178px;
  overflow: hidden;
}

.lead-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease;
}

.lead-news:hover .lead-image img {
  transform: scale(1.035);
}

.lead-date {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 72px;
  height: 58px;
  background: #0065bd;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.lead-date strong {
  font-size: 26px;
  line-height: 27px;
}

.lead-date small {
  margin-top: 2px;
  font-size: 12px;
  line-height: 14px;
}

.lead-text {
  display: block;
  padding-top: 16px;
}

.lead-text h2 {
  color: #1f2f45;
  font-size: 18px;
  font-weight: 700;
  line-height: 28px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.lead-text p {
  margin-top: 8px;
  color: #777;
  font-size: 14px;
  line-height: 24px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.date-list li {
  border-bottom: 1px solid #edf2f8;
}

.date-item {
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 6px 0;
}

.item-date {
  width: 70px;
  min-width: 70px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #0065bd;
}

.item-date strong {
  font-size: 30px;
  font-weight: 700;
  line-height: 32px;
}

.item-date small {
  margin-top: 3px;
  color: #7f9fbe;
  font-size: 13px;
  line-height: 16px;
}

.item-content {
  min-width: 0;
  display: block;
}

.item-title {
  color: #333;
  font-size: 16px;
  line-height: 24px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color .2s ease;
}

.date-item:hover .item-title,
.competition-news-item:hover .competition-news-title {
  color: #0065bd;
}

.notice-list .date-item {
  min-height: 78px;
}

.topic-area {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  padding-top: 36px;
}

.topic-card {
  height: 120px;
  display: block;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 8px 22px rgba(0, 91, 176, .08);
  transition: transform .2s ease, box-shadow .2s ease;
}

.topic-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 91, 176, .13);
}

.topic-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.competition-achievement-section {
  position: relative;
  width: 100%;
  min-width: 1200px;
  height: 360px;
  min-height: 360px;
  margin-top: 50px;
  overflow: visible;
  background: #e7f4ff;
}

.competition-achievement-section::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 58%;
  height: 100%;
  background: #e7f4ff url("../img/jingsaizixun.png") left center / auto 100% no-repeat;
}

.competition-achievement-inner {
  position: relative;
  z-index: 2;
  width: 1200px;
  height: 100%;
  margin: 0 auto;
}

.competition-column {
  width: 420px;
  padding-top: 39px;
}

.competition-section-head,
.achievement-section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.competition-section-head {
  width: 405px;
  margin-bottom: 15px;
}

.competition-title-stack,
.achievement-title-stack {
  display: block;
}

.competition-title-stack h2 {
  color: #005fb9;
  font-size: 28px;
  font-weight: 700;
  line-height: 34px;
}

.competition-title-en,
.achievement-title-en {
  display: block;
  white-space: nowrap;
  font-family: Arial, sans-serif;
  font-weight: 700;
  letter-spacing: 0;
}

.competition-title-en {
  margin-top: -3px;
  color: #b8d9f5;
  font-size: 22px;
  line-height: 24px;
}

.competition-more,
.achievement-more {
  margin-top: 8px;
  font-size: 14px;
  line-height: 22px;
  white-space: nowrap;
}

.competition-more {
  color: #0065bd;
}

.competition-list {
  width: 405px;
}

.competition-list li {
  border-bottom: 1px dashed #acd0ec;
}

.competition-news-item {
  min-height: 58px;
  display: block;
  padding: 8px 0 9px;
}

.competition-news-date {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #0871c9;
  font-size: 13px;
  line-height: 18px;
}

.competition-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #0871c9;
}

.competition-news-title {
  display: block;
  margin-top: 4px;
  padding-left: 15px;
  color: #07599d;
  font-size: 15px;
  font-weight: 700;
  line-height: 23px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.achievement-panel {
    position: absolute;
    height: 424px;
    top: -30px;
    right: 0px;
    bottom: 0;
    left: calc(50% - 160px);
    z-index: 1;
    overflow: hidden;
    background-color: #347fdf;
    background-image: url(../img/chengguozhanshibejingtu.png);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    background-position: center center;
    clip-path: polygon(16% 0, 100% 0, 100% 100%, 0 100%);
}

.achievement-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(
      90deg,
      rgba(45, 126, 230, .82) 0%,
      rgba(52, 130, 229, .62) 55%,
      rgba(54, 126, 218, .38) 100%
    );
}

.achievement-content {
  position: absolute;
  top: 24px;
  left: 620px;
  z-index: 2;
  width: 650px;
}

.achievement-section-head {
  width: 548px;
  margin-bottom: 9px;
}

.achievement-title-stack h2 {
  color: #fff;
  font-size: 28px;
  font-weight: 700;
  line-height: 34px;
}

.achievement-title-en {
  margin-top: -3px;
  color: rgba(220, 239, 255, .78);
  font-size: 22px;
  line-height: 24px;
}

.achievement-more {
  color: #fff;
}

.achievement-body {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.achievement-images {
  width: 265px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.achievement-images-item,.achievement-image-item {
  position: relative;
  width: 265px;
  height: 126px;
  display: block;
  overflow: hidden;
}

.achievement-images-item img,.achievement-images-item
 img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease;
}
.achievement-image-item:hover img,
.achievement-images-item:hover img {
  transform: scale(1.04);
}

.achievement-image-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 30px;
  padding: 0 10px;
  color: #fff;
  background: rgba(0, 0, 0, .55);
  font-size: 13px;
  line-height: 30px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.achievement-list {
  width: 265px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.achievement-list-item {
  position: relative;
  min-height: 82px;
  display: block;
  padding: 34px 14px 10px;
  border-radius: 7px;
  background: rgba(109, 174, 255, .55);
  color: #fff;
}

.achievement-date {
  position: absolute;
  top: 8px;
  left: 8px;
  display: block;
  padding: 3px 8px;
  border-radius: 8px;
  color: #0871c9;
  background: #fff;
  font-size: 12px;
  line-height: 16px;
}

.achievement-title {
  display: -webkit-box;
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  line-height: 21px;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.service-section {
  margin-top: 54px;
  padding: 42px 0 56px;
  background: #f3f8ff;
}

.center-head {
  text-align: center;
}

.center-head h2 {
  font-size: 30px;
  line-height: 36px;
}

.center-head img {
  height: 24px;
  width: auto;
  margin: -2px auto 0;
}

.service-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 22px;
  margin-top: 30px;
}

.service-list a {
  position: relative;
  height: 142px;
  display: block;
  overflow: hidden;
  border-radius: 6px;
  background: #dbeafa;
  box-shadow: 0 8px 22px rgba(0, 68, 135, .08);
}

.service-list a::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 59, 130, 0) 20%, rgba(0, 59, 130, .76) 100%);
}

.service-list img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease;
}

.service-list span {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 18px;
  z-index: 1;
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  line-height: 24px;
  text-align: center;
  overflow: hidden;
  /* 超出部分显示省略号 */
  text-overflow: ellipsis;
  /* 强制文本不换行 */
  white-space: nowrap;
}

.service-list a:hover img {
  transform: scale(1.05);
}

.site-footer {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: #0065bd;
}

.site-footer::before,
.site-footer::after {
  content: "";
  position: absolute;
  width: 620px;
  height: 160px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 50%;
  pointer-events: none;
}

.site-footer::before {
  left: -140px;
  top: 34px;
}

.site-footer::after {
  right: -160px;
  bottom: 22px;
}

.footer-inner {
  position: relative;
  z-index: 1;
  min-height: 210px;
  display: flex;
  justify-content: space-between;
  padding-top: 42px;
}

.footer-logo {
  display: block;
  width: 520px;
  margin-bottom: 24px;
}

.footer-logo img {
  width: 520px;
  height: auto;
}

.footer-info p {
  color: rgba(255, 255, 255, .9);
  font-size: 15px;
  line-height: 28px;
}

.friend-links {
  width: 360px;
}

.friend-links h2 {
  margin-bottom: 20px;
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  line-height: 30px;
}

.friend-links ul {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px 0px;
}

.friend-links a {
  width: 160px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 3px;
}

.friend-links img {
  max-width: 152px;
  max-height: 34px;
  object-fit: contain;
}

.copyright {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(255, 255, 255, .22);
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.copyright p {
  color: rgba(255, 255, 255, .78);
  font-size: 14px;
  line-height: 20px;
}