html,
body,
div,
span,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
abbr,
address,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
samp,
small,
strong,
sub,
sup,
var,
b,
i,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
dialog,
figure,
footer,
header,
hgroup,
menu,
nav,
section,
time,
mark,
audio,
video {
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  vertical-align: baseline;
  background: transparent;
}

body {
  min-width: 1000px;
  font-family: arial, sans-serif, AvenirNext-DemiBold, AvenirNext,
      "Helvetica Neue", Helvetica;
}

.zhBody .zhCont,
.enBody .enCont {
}

.zhBody .enCont,
.enBody .zhCont {
  display: none !important;
}

.wrap_box {
  margin: 0 auto;
  width: 95%;
  min-width: 980px;
}

.flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

ul,
li {
  list-style: none;
}

a {
  color: #222;
}

.pd90 {
  padding: 90px 0;
}

.p_pages {
  display: block;
  text-align: center;
}

.p_pages span {
  margin: 0 5px;
}

.title,
.welcome h3,
.research_l h3,
.newsTop h3,
.researchList h3 {
  position: relative;
  font-weight: 700;
  font-size: 34px;
  line-height: 46px;
  text-align: justify;
  color: #0a498f;
}

.shadowText {
  margin: 0 0 -35px 0;
  background: linear-gradient(#eee, transparent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  color: rgb(102, 102, 102);
  font-size: 75px;
  text-transform: uppercase;
}

/* 面包屑样式 researchDetail newsDetail */
.breadcrumb {
  margin-top: 30px;
}

.breadcrumb a {
  font-family: Alibaba PuHuiTi;
  color: #222222;
  font-weight: 700;
  line-height: 18px;
  letter-spacing: 0px;
  text-align: justify;
  text-decoration: none;
  opacity: 0.65;
}

.breadcrumb img {
  width: auto;
  height: 11px;
  margin: 0 6px;
  vertical-align: middle;
}

.breadcrumb span {
  color: #f18b1c;
}

/* header */
header {
  width: 100%;
  height: 160px;
  position: relative;
  overflow: hidden;
  background: #0a497a;
  color: #fff;
}

header .wrap_box {
  padding-top: 10px;
  position: relative;
}

.logo_box a {
  position: absolute;
  height: 100%;
}

.logo_box .link1 {
  width: 130px;
  left: 0;
}

.logo_box .link2 {
  width: 85px;
  right: 0;
}

header .logo {
  height: 55px;
}

header .logo img {
  height: 55px;
}

header h2 {
  margin-right: 200px;
  font-size: 18px;
  font-weight: 700;
  line-height: 21px;
  letter-spacing: 0px;
  text-align: left;
}

header .h-left {
  position: relative;
  float: left;
  top: 40px;
}

.h-right {
  top: 40px;
  position: relative;
  float: right;
  height: 55px;
  display: flex;
  align-items: flex-end;
  gap: 24px;
}

.h-right .lang {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
  color: #c8c8c8;
  font-size: 15px;
  line-height: 1;
  text-decoration: none;
}

.h-right .group {
  display: block;
  width: auto;
  height: 50px;
}

.h-right .lang__item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 28px;
}

.h-right .lang__divider {
  color: #c8c8c8;
  font-size: 19px;
  font-weight: 300;
}

.zhBody .h-right .lang__item--zh,
.enBody .h-right .lang__item--en {
  min-width: 28px;
  border-radius: 14px;
  background: #f47b20;
  color: #fff;
}

.h-center {
  top: 47px;
  text-align: center;
  padding: 5px 0 0;
  position: absolute;
  width: 100%;
  opacity: 0.9;
  text-shadow: 1px 1px 1px #000;
  font-weight: bold;
  font-size: 30px;
  line-height: 100%;
}

header a {
  color: #fff;
}

/* footer */
footer {
  position: relative;
  text-align: left;
  background-color: #003055;
  color: #fff;
}

.f_top {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  border-bottom: solid 2px rgba(255, 255, 255, 0.8);
}

.f_top a {
  text-decoration: none;
  border-bottom: solid 1px #fff;
  color: #fff;
}

.f_top img {
  width: 30px;
}

.f_bottom {
  padding: 50px 0;
  align-items: start;
}

.f_b_left,
.f_b_right {
  height: 100%;
}

.f_b_left img {
  padding-right: 20px;
}

.f_b_left img:last-child {
  margin-top: 20px;
}

.record_info {
  line-height: 26px;
  font-size: 14px;
  font-weight: 500;
}

.collaboration h3 {
  line-height: 28px;
  font-size: 20px;
  font-weight: 600;
  margin: 20px 0;
}

.collaboration {
  position: relative;
  min-height: 120px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 140px;
  column-gap: 36px;
  align-items: start;
}

.collaboration::after {
  content: "";
  grid-column: 2;
  grid-row: 1 / span 4;
  width: 140px;
  height: 140px;
  background: url("../img/nsfc.png") center / contain no-repeat;
}

.collaboration h3,
.collaboration p {
  grid-column: 1;
}

.collaboration a {
  color: #fff;
  line-height: 20px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
}

.f_b_right {
  padding-top: 20px;
  background: url("../img/f_line.png") 0 10px no-repeat;
}

.f_b_right .contact {
  font-size: 16px;
  font-weight: 500;
  line-height: 22px;
  margin-top: 40px;
}

.f_b_right .contact img {
  margin-right: 10px;
}

.f_b_right .contact .address_icon {
  margin-left: 2px;
}

#goTop {
  font-size: 40px;
  position: fixed;
  bottom: 15px;
  right: 5px;
  cursor: pointer;
}

/*menu*/
menu {
  position: relative;
  height: 80px;
  background: url("../img/nav_bg.png");
  background-size: contain;
  z-index: 9;
}

menu > ul {
  height: 80px;
  flex-direction: row;
  flex-wrap: nowrap;
}

.menu li {
  position: relative;
  color: #fff;
  font-family: inherit;
  font-size: 24px;
  font-weight: bolder;
  text-align: center;
  padding: 20px;
}

.menu li.menu_logo {
  padding: 0 80px;
}

.menu li a {
  display: block;
  width: 176px;
  color: #fff;
  transition: font-size 0.25s linear, width 0.25s linear;
  text-decoration: none;
}

.menu li img {
  margin-top: 20px;
}

.menu .active {
  color: #e58811;
  text-decoration: none;
}

.menu li a:active,
.menu li a:hover {
  color: #e58811;
  font-size: 22px;
}

.menu li .resource {
  color: #ffffff;
  padding: 20px 0;
}

.menu li:hover .list {
  display: block;
}

.menu .list {
  display: none;
  position: absolute;
  top: 65px;
  left: 15px;
  width: 178px;
  background: rgba(255, 132, 1, 0.8);
  padding: 10px;
  box-sizing: border-box;
}

.menu .list::before {
  content: "";
  position: absolute;
  top: -10px;
  left: 77px;
  border-left: 12px solid transparent;
  /* 左边透明 */
  border-right: 12px solid transparent;
  /* 右边透明 */
  border-bottom: 15px solid #e9cd79;
}

.menu .list a {
  font-family: PingFang SC;
  font-size: 18px;
  font-weight: 600;
  line-height: 26px;
  letter-spacing: 0px;
  text-align: center;
  padding: 5px 0;
  display: block;
  width: 100%;
}

.menu .list .active {
  color: #fff;
}

.menu .list a:hover {
  font-size: 17px;
  font-weight: 600;
  color: rgba(0, 48, 85, 0.8);
}

.menu .resource {
  position: relative;
}

.banner {
  position: relative;
  width: 100%;
  min-width: 1000px;
}

.banner img {
  width: 100%;
  position: absolute;
  top: 0;
  height: auto;
}

.banner video {
  width: 100%;
  object-fit: contain;
  overflow-clip-margin: content-box;
  overflow: clip;
  height: auto;
}

.banner img:first-child {
  z-index: 2;
}

/* 以上均是公共样式 */
/* home */
.welcome {
  background-color: #f6f8fa;
  overflow: hidden;
  padding-top: 50px;
}

.welcome .content_box {
  margin-top: 40px;
}

.welcome .content_l {
  width: 65%;
}

.welcome .content_r {
  flex: 1;
  width: 34%;
  padding:0 10px;
}

.welcome .cont {
  margin-top: 10px;
}

.welcome .line {
  width: 300px;
  height: 3px;
  margin: 10px 0 10px 0;
}

.welcome .mission_box {
  margin-right: 30px;
}

.welcome .mission_box img {
  width: 100% !important;
  height: auto !important;
  border-right: 20px solid #0a498f;
  padding-right: 10px;
}

.welcome .mission_box h6 {
  font-size: 24px;
  font-weight: 700;
  line-height: 40px;
  color: #000000;
  padding: 20px 0 10px;
  margin-bottom: 10px;
  background: url("../images/home/line.png") 0 100% no-repeat;
  color: #1b4c8f;
}

.welcome .mission_box p {
  font-size: 18px;
  line-height: 25px;
  letter-spacing: 0px;
  text-align: justify;
  color: rgba(0, 0, 0, 0.8);
}

.welcome .message_box {
  padding-top: 65px;
  background: url("../images/home/quotation_mark_l.png") 0 0 no-repeat;
}

.welcome .message_box img {
  width: 100% !important;
  height: auto !important;
}

.welcome .message_box p {
  font-size: 17px;
  font-weight: 500;
  line-height: 28px;
  letter-spacing: 0px;
  text-align: justify;
  color: rgba(0, 0, 0, 0.65);
}

.welcome .quotation_mark_r,
.welcome .quotation_mark_l {
  width: 70px;
  height: 58px;
}

.welcome .quotation_mark_l {
  margin-top: 70px;
}

.welcome .quotation_mark_r {
  float: right;
  margin-top: -20px;
  margin-bottom: 20px;
}

.picsBox {
  width: 450px;
  overflow: hidden;
}

.picsBox img {
  width: 100%;
}

.picsBox .text {
  font-size: 13px;
  height: 35px;
  line-height: 35px;
  text-align: right;
  position: absolute;
  bottom: 0;
  right: 5px;
  text-shadow: 1px 1px 1px white,-1px -1px 1px white;
}

.baiduMap {
  width: 100px;
  height: 400px;
  float: right;
  margin: 30px 0 0 20px;
  opacity: 0.8;
  border-radius: 5px;
}

.BMap_cpyCtrl,
.anchorBL {
  visibility: hidden;
}

.research {
  /* background: url("../img/research.png") no-repeat;
  background-size: cover; */
  background: #f6f8fa;
}

.research .wrap_box {
}

.research .wrap_box p {
  font-size: 20px;
  color: rgba(0, 0, 0, 0.65);
  padding-bottom: 20px;
}

.research .research_l {
  padding-bottom: 20px;
}

.research .research_r {
  border-radius: 10px;
  box-sizing: border-box;
  overflow: hidden;
  box-shadow: 0px 13px 25px 0px #001e3c26;
}

.research .research_l p {
  font-size: 20px;
  font-weight: 400;
  line-height: 40px;
  letter-spacing: 0px;
  text-align: left;
  color: #00498f;
  margin: 20px 0;
  opacity: 0.6;
}

.research .research_l a {
  display: inline-block;
  color: #00498f;
  text-decoration: none;
  padding: 10px 15px;
  border: 1px solid #00498f;
}

.research_r .swiper-slide div {
  height: 650px;
  width: 100%;
  text-align: center;
  line-height: 300px;
  background: #fff;
  box-sizing: border-box;
}

.swiper-wrapper .swiper-slide {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: auto;
  text-decoration: none;
  position: relative;
}

.swiper-slide p {
  flex: 1;
}

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

.swiper-container .swiper-pagination-bullet {
  width: 10px;
  height: 10px;
  display: inline-block;
  border-radius: 100%;
  background: rgba(255, 255, 255, 0.7);
  opacity: 1;
}

.research .research_r img {
  width: 100%;
  box-sizing: border-box;
  object-fit: contain;
}

.research .research_r p {
  font-size: 18px;
  font-weight: 500;
  line-height: 28px;
  letter-spacing: 0px;
  text-align: left;
  color: #003055;
  background: rgba(255, 255, 255, 0.78);
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.6);
  padding: 12px 20px 16px 16px;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  margin: 0;
}

.research .research_r p::before {
  display: inline-block;
  content: "";
  height: 24px;
  width: 5px;
  background: #f18d00;
  position: absolute;
  top: 15px;
  left: 0;
}

.peopleWrap {
}

.peopleCont {
  overflow: hidden;
  padding: 30px;
  font-size: 22px;
  line-height: 200%;
  color: rgba(0, 0, 0, 0.65);
}

.peopleCont .PI {
  float: left;
  padding-right: 70px;
  text-align: center;
}

.peopleCont .PI img {
  width: 295px;
}

.peopleCont .PIDesc {
  text-align: justify;
}

.contact_us {
  background: url("../img/contact.png") no-repeat;
  background-size: cover;
  color: #fff;
  overflow: hidden;
  padding: 60px 50px;
}

.contact_us .title,
.contact_us a {
  color: #fff;
}

.contact_us p {
  padding-top: 20px;
  font-size: 20px;
  font-weight: 500;
  line-height: 32px;
  letter-spacing: 0px;
  text-align: justify;
  text-shadow: 2px 2px 2px #555, -2px -2px 2px #555, -2px 2px 2px #000, 2px -2px 2px #555;
}

.contact_us .modal {
  /*
  width: 80%;
  border-radius: 10px;
  padding:10px 0;
  margin: 30px auto 0 auto;
  background: url("../img/contact_modal.png") no-repeat;
  background-size: cover;
  color: #000000;
  text-align: center;
  box-shadow: 0px 30px 70px 0px #001d3a33;
  */
}

.contact_us .modal {
  position: relative;
  left: 44px;
}

.contact_us .modal div {
  font-size: 20px;
  font-weight: 400;
  line-height: 32px;
  letter-spacing: 0px;
  text-align: center;
  padding-top: 20px;
}

.contact_us .modal a {
  font-family: PingFang SC;
  font-size: 21px;
  font-weight: 600;
  line-height: 29px;
  letter-spacing: 0px;
  text-align: center;
  border: 2px solid #fff;
  padding: 5px 15px;
  color: #fff;
  text-decoration: none;
  margin-top: 20px;
  display: inline-block;
  border-radius: 5px;
}

.contact_us .modal a:hover {
  background: #00498f;
  color: #fff;
}

/* news */
.newsTop {
  position: relative;
}

.newsTop p {
  margin: 30px 250px 30px 0;
  font-size: 18px;
  font-weight: 400;
  line-height: 25px;
  letter-spacing: 0px;
  text-align: justify;
  color: #00498f;
  opacity: 60%;
}

.newsTop a {
  position: absolute;
  right: 10px;
  top: 0;
  width: 120px;
  height: 45px;
  line-height: 45px;
  color: #00498f;
  font-size: 18px;
  font-weight: 400;
  text-align: center;
  text-decoration: none;
}

.newsList ul {
  margin-bottom: 1px;
}

.newsList ul li {
  padding: 15px 15px 0;
}

.newsList ul li:hover {
  box-shadow: 0px 10px 20px 0px rgba(0, 0, 0, 0.08);
}

.newsList ul li a {
  align-items: normal;
  text-decoration: none;
}

.newsList ul li.ax-slide a {
  display: block;
}

.newsList ul li .dp-time1 {
  text-align: right;
  padding-bottom: 2rem;
}

.newsList .cont {
  padding: 0 40px;
  flex: 1;
}

.newsList img {
  display: block;
  border-radius: 4px;
  box-shadow: 1px 2px 2px #aaa;
  margin-bottom: 10px;
}

.newsList img.dn-picture {
  height: 390px;
}

.newsList img.newsPic {
  width: 50%;
}

.newsList .dn-word h6 {
}

.newsList .cont h6 {
  font-size: 26px;
  font-weight: 600;
  line-height: 34px;
  padding: 20px 0;
  letter-spacing: 0px;
  color: #00498f;
}

.newsList .cont p {
  text-align: justify;
  color: #666666;
}

.newsList .date {
  width: 108px;
  height: 147px;
  background: linear-gradient(0deg, #eeeeee, #eeeeee);
  border: 1px solid #eeeeee;
  border-radius: 5px;
  text-align: center;
  color: #aaaaaa;
  font-weight: 500;
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin-top: 20px;
}

.newsList .date span:first-child {
  font-size: 40px;
  line-height: 45px;
}

.newsList .date span:last-child {
  font-size: 16px;
  line-height: 18px;
}

.newsList.main {
  background: #f4f7f8;
  padding: 64px 0 70px;
}

.newsList.main .wrap_box {
  max-width: 1180px;
}

.newsList.main ul {
  display: grid;
  gap: 22px;
  margin: 0;
}

.newsList.main ul > span {
  display: none !important;
}

.newsList.main ul li {
  padding: 0;
}

.newsList.main ul li:hover {
  box-shadow: none;
}

.newsList.main ul li a {
  position: relative;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr) 104px;
  gap: 28px;
  align-items: stretch;
  min-height: 178px;
  padding: 18px;
  overflow: hidden;
  background: #fff;
  color: #30343a;
  box-shadow: 0 12px 28px rgba(0, 48, 85, 0.08);
  transition: transform 0.24s ease, box-shadow 0.24s ease;
}

.newsList.main ul li a::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: #f47b20;
  opacity: 0;
  transition: opacity 0.24s ease;
}

.newsList.main ul li a:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 36px rgba(0, 48, 85, 0.13);
}

.newsList.main ul li a:hover::before {
  opacity: 1;
}

.newsList.main img.newsPic {
  width: 100%;
  height: 100%;
  margin: 0;
  border-radius: 4px;
  object-fit: cover;
  box-shadow: none;
}

.newsList.main .cont {
  min-width: 0;
  padding: 0;
}

.newsList.main .cont h6 {
  padding: 4px 0 10px;
  color: #003055;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
}

.newsList.main .cont p {
  display: -webkit-box;
  overflow: hidden;
  color: #5f6870;
  font-size: 15px;
  line-height: 1.72;
  text-align: left;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.newsList.main .date {
  align-self: center;
  width: 104px;
  height: 104px;
  margin-top: 0;
  border: 1px solid rgba(0, 48, 85, 0.12);
  border-radius: 4px;
  background: #f8fafb;
  color: #003055;
}

.newsList.main .date span:first-child {
  color: #003055;
  font-size: 38px;
  font-weight: 700;
  line-height: 1;
}

.newsList.main .date span:last-child {
  margin-top: 8px;
  color: #7b8790;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
}

.newsList.main .p_pages {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4px;
  margin-top: 30px;
  text-align: center;
}

.newsList.main .p_pages span {
  display: inline-flex;
  margin: 0;
}

.newsList.main .p_pages .p_no_d,
.newsList.main .p_pages .p_fun_d,
.newsList.main .p_pages .p_no a,
.newsList.main .p_pages .p_fun a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  padding: 0 10px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
}

.newsList.main .p_pages .p_no_d {
  background: #003055;
  color: #fff;
}

.newsList.main .p_pages .p_fun_d {
  border: 1px solid #d8e0e5;
  color: #a6b0b8;
}

.newsList.main .p_pages .p_no a,
.newsList.main .p_pages .p_fun a {
  border: 1px solid #d8e0e5;
  background: #fff;
  color: #003055;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.newsList.main .p_pages .p_no a:hover,
.newsList.main .p_pages .p_fun a:hover {
  border-color: #f47b20;
  background: #f47b20;
  color: #fff;
}

.newsListBox ul {
  height: 400px;
}

.newsListBox li {
}

.newsList {
  position: relative;
  overflow: hidden;
  padding: 48px 0;
}

.newsList .wrap_box {
  position: relative;
  z-index: 1;
}

.newsList .newsTop {
  margin-bottom: 22px;
}

.newsList .newsListGrid {
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 1.08fr) minmax(360px, 0.9fr);
  grid-template-rows: repeat(3, minmax(82px, 1fr));
  gap: 14px 22px;
  margin: 0;
}

.newsList .newsListGrid > li {
  position: relative;
  min-width: 0;
  padding: 0;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.newsList .newsListGrid > li::before {
  content: none;
}

.newsList .newsListGrid > li:hover {
  transform: translateY(-4px);
  box-shadow: none;
}

.newsList .newsListGrid > li a {
  display: block;
  height: 100%;
  color: inherit;
  text-decoration: none;
}

.newsList .newsListGrid > li:nth-child(-n+2) {
  grid-row: span 3;
  min-height: 274px;
  overflow: hidden;
  background: #1f252b;
  box-shadow: 0 10px 22px rgba(31, 37, 43, 0.16);
}

.newsList .newsListGrid > li:nth-child(-n+2) a::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 48%;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.74));
  pointer-events: none;
}

.newsList .newsListGrid > li:nth-child(-n+2) img.dn-picture {
  width: 100%;
  height: 100%;
  margin: 0;
  border-radius: 0;
  box-shadow: none;
  transition: transform 0.45s ease;
}

.newsList .newsListGrid > li:nth-child(-n+2):hover img.dn-picture {
  transform: scale(1.045);
}

.newsList .newsListGrid > li:nth-child(-n+2) .dn-word {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  padding: 0 22px 22px;
}

.newsList .newsListGrid > li:nth-child(-n+2) .dp-time1 {
  padding: 0 0 8px;
  text-align: left;
  color: rgba(255, 255, 255, 0.76);
}

.newsList .newsListGrid > li:nth-child(-n+2) .date-day {
  display: inline-block;
  margin-right: 8px;
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
}

.newsList .newsListGrid > li:nth-child(-n+2) .date-month {
  font-size: 13px;
  font-weight: 600;
}

.newsList .newsListGrid > li:nth-child(-n+2) .dn-word h6 {
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.35;
  text-align: left;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.28);
}

.newsList .newsListGrid > li:nth-child(n+3) {
  min-height: 82px;
}

.newsList .newsListGrid > li:nth-child(n+3) a {
  display: flex;
  align-items: center;
  height: 100%;
  background: rgba(255, 255, 255, 0.58);
  box-shadow: 0 10px 22px rgba(58, 64, 70, 0.12);
  transition: background 0.25s ease, box-shadow 0.25s ease;
}

.newsList .newsListGrid > li:nth-child(n+3) a:hover {
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 14px 28px rgba(58, 64, 70, 0.16);
}

.newsList .newsListGrid > li:nth-child(n+3) img.dn-picture,
.newsList .newsListGrid > li:nth-child(n+3) .dp-intr1 {
  display: none;
}

.newsList .newsListGrid > li:nth-child(n+3) .dn-word {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  align-items: center;
  gap: 0;
  width: 100%;
  padding: 16px 24px 16px 22px;
}

.newsList .newsListGrid > li:nth-child(n+3) .dp-time1 {
  padding: 0;
  text-align: left;
  color: #2c3034;
}

.newsList .newsListGrid > li:nth-child(n+3) .date-day {
  display: block;
  font-size: 38px;
  font-weight: 700;
  line-height: 0.95;
}

.newsList .newsListGrid > li:nth-child(n+3) .date-month {
  display: block;
  margin-top: 5px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
}

.newsList .newsListGrid > li:nth-child(n+3) .dn-word h6 {
  min-width: 0;
  color: #30343a;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.42;
  text-align: left;
}

@media screen and (max-width: 1180px) {
  .newsList .newsListGrid {
    grid-template-columns: 1fr 1fr;
  }

  .newsList .newsListGrid > li:nth-child(-n+2) {
    grid-row: auto;
    min-height: 250px;
  }

  .newsList .newsListGrid > li:nth-child(n+3) {
    grid-column: span 2;
  }

}

/* publications */
.publications .wrap_box {
  position: relative;
  border-left: 1px solid rgba(0, 73, 143, 0.16);
}

.publications_nav {
  margin-left: 0;
  float: left;
  position: -webkit-sticky;
  /* Safari */
  position: sticky;
  top: 100px;
  width: 128px;
  padding: 10px 0 10px 12px;
  background: rgba(246, 248, 250, 0.78);
  border: 1px solid rgba(0, 73, 143, 0.12);
  border-left: 0;
  border-radius: 0 8px 8px 0;
}

.publications_nav li {
  padding: 4px 10px;
  border-left: 3px solid transparent;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.publications_nav li:hover {
  border-left-color: #00498f;
  background-color: rgba(0, 73, 143, 0.08);
}

.publications_nav li:hover a {
  color: #00498f;
  font-weight: bold;
}

.publications_nav a {
  font-family: Georgia, "Times New Roman", PingFang SC, serif;
  font-size: 18px;
  font-weight: 400;
  line-height: 30px;
  letter-spacing: 0em;
  text-align: left;
  text-decoration: none;
  color: rgba(0, 0, 0, 0.85);
}

.publications .content_list {
  width: calc(100% - 190px);
  float: right;
}

.content_list a:hover {
  color: #00498F;
  text-decoration-color: rgba(0, 73, 143, 0.55);
}

.publications dl {
  margin-top: 50px;
}

.publications dl:first-child {
  margin-top: 0;
}

.publications dt {
  display: inline-block;
  min-width: 150px;
  padding: 0 30px;
  height: 58px;
  background: linear-gradient(135deg, #00498f 0%, #0a6d8d 100%);
  border-radius: 8px;
  box-shadow: 0 14px 28px rgba(0, 73, 143, 0.18);
  color: #ffffff;
  line-height: 58px;
  text-align: center;
  font-family: Georgia, "Times New Roman", PingFang SC, serif;
  font-size: 28px;
  letter-spacing: 2px;
  font-weight: 600;
}

.publications dd {
  position: relative;
  margin: 18px 0 0 10px;
  font-family: "Helvetica Neue", Helvetica, PingFang SC, sans-serif;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: 0em;
  text-align: justify;
  padding: 18px 24px 18px 34px;
  color: #3f4448;
  background: #ffffff;
  border: 1px solid rgba(0, 73, 143, 0.1);
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(16, 43, 68, 0.08);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.publications dd:hover {
  border-color: rgba(0, 73, 143, 0.24);
  box-shadow: 0 18px 38px rgba(16, 43, 68, 0.12);
  transform: translateY(-2px);
}

.publications dd::before {
  position: absolute;
  top: 30px;
  left: 18px;
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 100%;
  background-color: #f18b1c;
  box-shadow: 0 0 0 5px rgba(241, 139, 28, 0.16);
}

.publications dd a {
  font-family: Georgia, "Times New Roman", PingFang SC, serif;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.62;
  letter-spacing: 0em;
  text-align: left;
  padding: 0 3px;
  color: #00498f;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  text-decoration-color: rgba(0, 73, 143, 0.28);
}

/* researchList */
.researchList {
  color: rgb(51, 51, 51);
}

.researchList .title_box {
  letter-spacing: 0px;
}

.researchList .title::after {
  content: "";
  display: block;
  height: 3px;
  width: 72px;
  background-color: #00498f;
  margin: 10px 0 30px;
}

.researchList h4 {
  padding: 20px 0;
  font-size: 24px;
}

.researchList h5 {
  padding: 5px 0;
  font-size: 20px;
}

.researchList p {
  line-height: 180%;
  text-align: justify;
}

.researchList ul {
  margin-top: 20px;
}

.researchList li {
  display: flex;
  border-top: 1px solid rgba(0, 0, 0, 0.15);
  padding: 20px 0;
}

.researchList .item_l {
  width: 382px;
  height: 232px;
  padding: 5px;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0px 4px 13px 0px rgba(0, 0, 0, 0.07);
  border-radius: 6px;
}

.researchList .item_l img {
  width: 371px;
}

.researchList .item_r {
  margin-left: 60px;
  display: flex;
  padding: 30px 0;
  flex-direction: column;
  justify-content: space-between;
}

.researchList .item_r p {
  font-family: PingFang SC;
  font-size: 20px;
  font-weight: 600;
  line-height: 32px;
  letter-spacing: 0px;
  text-align: left;
  opacity: 0.85;
}

.researchList .item_r a {
  display: block;
  width: 135px;
  height: 32px;
  font-family: PingFang SC;
  font-size: 18px;
  font-weight: 500;
  line-height: 32px;
  letter-spacing: 0px;
  text-align: center;
  background: #00498f;
  color: #fff;
  text-decoration: none;
}

/* researchDetail */
.research_detail {
  padding-bottom: 90px;
}

.research_detail .title_box {
  padding: 15px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.15);
}

.langCont {
  position: absolute;
  right: 0;
  font-size: 14px;
}

.research_detail .author_date {
  font-family: PingFang SC;
  font-size: 18px;
  font-weight: 400;
  line-height: 28px;
  letter-spacing: 0px;
  text-align: left;
  color: #999999;
  margin-top: 15px;
}

.research_detail .v_news_content {
  padding-top: 20px;
}

.research_detail dt {
  padding: 30px 0 20px 0;
}

.research_detail dd {
  width: 100%;
  box-sizing: border-box;
  padding: 0px 0 20px 0;
  line-height: 28px;
}

.research_detail h6 {
  font-family: Avenir;
  font-size: 20px;
  font-weight: 900;
  line-height: 27px;
  letter-spacing: 0em;
  text-align: left;
  text-decoration: underline;
}

.research_detail ul {
  padding-left: 2em;
}

.research_detail li {
  list-style-type: disc;
}

.research_detail li p {
  list-style-type: disc;
  list-style-position: inside;
}

.research_detail p {
  position: relative;
  line-height: 180%;
  text-align: justify;
  color: rgb(51, 51, 51);
}

.research_detail .list p {
  padding-left: 10px;
}

.research_detail .list p::before {
  content: "";
  background-color: #000000;
  height: 5px;
  width: 5px;
  border-radius: 50%;
  position: absolute;
  top: 12px;
  left: 0;
}

.research_detail dd img {
  display: block;
  margin: 10px auto;
}

.research_detail h4 {
  padding: 20px 0;
  font-size: 24px;
}

.research_detail h5 {
  padding: 5px 0;
  font-size: 20px;
}

.research_detail pre {
  font-size: 26px;
  padding: 20px 0;
}

.research_detail img {
  /* vertical-align:bottom; */
}

/* newsDetail */
.news_detail {
  padding-bottom: 90px;
}

.news_detail .title_box {
  padding: 15px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.15);
}

.news_detail .date {
  font-family: PingFang SC;
  font-size: 16px;
  font-weight: 400;
  line-height: 28px;
  letter-spacing: 0px;
  text-align: left;
  color: #999999;
  margin-top: 15px;
}

.news_detail p {
  position: relative;
  font-family: PingFang SC;
  font-size: 16px;
  font-weight: 400;
  text-align: left;
  color: #333;
  line-height: 28px;
}

.news_detail .content_box {
  margin-top: 20px;
}

.news_detail .content_box img {
  display: block;
  margin: 15px auto;
}

/* people */
.people .personal_info {
  background-color: #f9f9f9;
}

.people .wrap_box {
  position: relative;
}

.people .personal_info img {
  box-sizing: border-box;
  position: absolute;
  top: 90px;
  right: 0;
  width: 220px;
  border: 5px solid #ffffff;
  border-radius: 50%;
  box-shadow: 0px 8.5px 25.5px 0px rgba(0, 0, 0, 0.07);
}

.personal_info .name {
  font-family: Alibaba PuHuiTi;
  font-size: 32px;
  font-weight: 700;
  line-height: 44px;
  letter-spacing: 0px;
  text-align: left;
  color: #000000;
  opacity: 85%;
}

.personal_info p {
  font-family: PingFang SC;
  font-size: 16px;
  font-weight: 600;
  line-height: 22px;
  letter-spacing: 0em;
  text-align: left;
  color: rgba(0, 0, 0, 0.85);
}

.personal_info .school {
  color: #00498f;
  padding: 20px 0;
}

.personal_info .contact {
  border-left: 8px solid #00498f;
  padding-left: 10px;
  height: 60px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  margin: 30px 0;
}

.people .email {
  font-weight: 400;
  color: #00498f;
  opacity: 85%;
}

.personal_info .resonance {
  font-family: Avenir Next;
  font-size: 18px;
  font-weight: 700;
  line-height: 25px;
  letter-spacing: 0em;
  text-align: left;
  opacity: 85%;
}

.personal_info .biography,
.personal_info .hobbies {
  margin-top: 30px;
  color: #000000;
}

.personal_info .biography h6,
.personal_info .hobbies h6 {
  font-family: Avenir Next;
  font-size: 18px;
  font-style: italic;
  font-weight: 700;
  line-height: 25px;
  letter-spacing: 0em;
  opacity: 85%;
  text-align: left;
}

.personal_info .biography p,
.personal_info .hobbies p {
  font-family: Avenir Next;
  font-size: 18px;
  font-weight: 400;
  line-height: 29px;
  letter-spacing: 0em;
  text-align: justify;
  opacity: 65%;
}

.current_member .title {
  padding-bottom: 20px;
  border-bottom: 1px solid #0a498f;
}

/* Alumni: standalone section, compact card grid (photo + name + position only) */
.alumni .title {
  padding-bottom: 20px;
  border-bottom: 1px solid #0a498f;
}

.alumni .alumni_list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 24px;
  margin-top: 30px;
}

.alumni .alumni_item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 26px 18px;
  background: #f9f9f9;
  border-radius: 8px;
  text-align: center;
  transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.alumni .alumni_item:hover {
  background: #ffffff;
  box-shadow: 0px 8px 25px 0px rgba(0, 0, 0, 0.08);
  transform: translateY(-3px);
}

.alumni .alumni_item .item_l {
  margin: 0 0 16px;
}

.alumni .alumni_item img {
  width: 130px !important;
  height: 130px !important;
  border: 5px solid #fff;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0px 8.5px 25.5px 0px rgba(0, 0, 0, 0.07);
}

.alumni .alumni_item .name {
  font-family: "Douyin Sans", PingFang SC, sans-serif;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
  color: #000000;
  opacity: 0.85;
}

.alumni .alumni_item .position {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
  color: rgba(0, 0, 0, 0.7);
  padding-top: 6px;
}

.current_member .item {
  margin-top: 30px;
  background: #f9f9f9;
  border-radius: 5px;
  padding: 30px;
  letter-spacing: 0px;
  text-align: left;
}

.current_member .item:hover {
  background: #ffffff;
  box-shadow: 0px 8px 25px 0px rgba(0, 0, 0, 0.07);
}

.current_member .item_l {
  margin-right: 30px;
}

.current_member .item_r {
  flex: 1;
}

.current_member .item img {
  width: 200px !important;
  height: 200px !important;
  border: 5px solid #fff;
  border-radius: 50%;
  box-shadow: 0px 8.5px 25.5px 0px rgba(0, 0, 0, 0.07);
}

.current_member .item .name {
  font-family: Douyin Sans;
  font-size: 30px;
  font-weight: 700;
  line-height: 36px;
  opacity: 85%;
  color: #000000;
}

.current_member .item .position {
  font-family: PingFang SC;
  font-size: 20px;
  font-weight: 500;
  line-height: 28px;
  color: rgba(0, 0, 0, 0.8);
  padding: 15px 0 10px 0;
}

.current_member .info {
  width: 40%;
}

.current_member .resumeList {
  flex: 1;
}

.current_member .resumeList p {
  position: relative;
  padding: 8px 10px;
  margin-bottom: 10px;
}

.current_member .resumeList p:last-child {
  margin-bottom: 0px;
}

.current_member .resumeList span {
  border: 1px dashed #729ac1;
  border-radius: 6px;
  padding: 8px 10px;
  color: #2664a0;
  font-size: 13px;
  font-weight: 400;
  line-height: 18px;
  letter-spacing: 0px;
  font-style: italic;
}

.current_member .resumeList p::before {
  content: "";
  background: url("../images/people/li2.png") no-repeat;
  background-size: contain;
  position: absolute;
  top: 14px;
  left: -20px;
  width: 10px;
  height: 36px;
}

.current_member .resumeList p:last-child::before {
  background: url("../images/people/li.png") no-repeat;
  height: 10px;
  width: 10px;
}

.current_member .item_r .flex {
  align-items: flex-start;
  margin-bottom: 30px;
}

.current_member .item_r > div:last-child {
  font-family: PingFang SC;
  font-size: 19px;
  font-weight: 400;
  line-height: 27px;
  opacity: 65%;
  color: #000000;
  padding-top: 30px;
  border-top: 1px dashed rgba(0, 0, 0, 0.25);
}

/* opentings */
.opentings {
}

.openings .join_us {
  display: flex;
  justify-content: space-between;
  margin: 45px 0 90px 0;
}

.join_us_l {
  margin-right: 90px;
}

.join_us_l p {
  font-family: PingFang SC;
  font-size: 20px;
  font-weight: 400;
  line-height: 30px;
  letter-spacing: 0px;
  text-align: left;
  opacity: 0.85;
  color: #000000;
  padding-top: 20px;
}

.openings .contact_box {
  padding-left: 10px;
  border-left: 5px solid #0a498f;
}

.openings .contact_box h6 {
  font-family: Avenir Next;
  font-size: 18px;
  font-weight: 700;
  line-height: 25px;
  color: #000000;
}

.openings .contact_box .email {
  font-weight: 400;
  color: #00498f;
  opacity: 85%;
  font-size: 18px;
  line-height: 25px;
  padding-top: 10px;
}

.openings .fellow,
.openings .assistant {
  margin-top: 45px;
  border: 1px solid #d9d9d9;
}

.openings .top {
  background: #f7f8fa;
  height: 54px;
  box-sizing: border-box;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  border-bottom: 1px solid #d9d9d9;
}

.openings .top h6 {
  color: #ff6a29;
  font-size: 20px;
  font-weight: 500;
  line-height: 30px;
}

.openings .top img {
  padding: 0 10px;
}

.openings dl {
  padding: 10px;
}

.openings dl dt {
  font-family: PingFang SC;
  font-size: 18px;
  font-weight: 500;
  line-height: 30px;
  letter-spacing: 0px;
  text-align: left;
  color: #000000;
  padding: 5px 0;
}

.openings dl dd {
  font-family: PingFang SC;
  font-size: 18px;
  font-weight: 400;
  line-height: 30px;
  letter-spacing: 0px;
  text-align: left;
  padding: 5px 0;
}

.openings dl a {
  color: rgba(0, 0, 0, 0.85);
  text-decoration: none;
  position: relative;
}

.openings dd:hover a {
  color: #00498f;
  text-decoration: underline;
}

.openings dl a::after {
  content: "";
  background: url("../images/openings/jiantou.png") no-repeat;
  background-size: contain;
  position: absolute;
  bottom: 5px;
  right: -25px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
}

.openings dd:hover a::after {
  background: url("../images/openings/jiantou_hover.png") no-repeat;
}

/* teaching */
.teaching .wrap_box {
  border-left: 1px solid rgba(0, 0, 0, 0.1);
}

.teaching nav dt {
  font-family: PingFang SC;
  display: block;
  margin-bottom: 4px;
  border-left: 3px solid transparent;
  border-radius: 0 8px 8px 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 21px;
  color: rgba(0, 0, 0, 0.85);
  padding: 8px 14px 8px 18px;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.teaching nav {
  box-sizing: border-box;
  width: 260px;
  margin-left: 0;
  padding-right: 18px;
  float: left;
  position: -webkit-sticky;
  /* Safari */
  position: sticky;
  top: 100px;
}

.teaching dd {
  margin: 3px 0;
  padding-left: 12px;
}

.teaching dd a {
  font-family: PingFang SC;
  display: block;
  border-left: 3px solid transparent;
  border-radius: 0 8px 8px 0;
  padding: 7px 14px 7px 18px;
  font-size: 15px;
  font-weight: 500;
  line-height: 20px;
  letter-spacing: 0em;
  text-align: left;
  text-decoration: none;
  color: rgba(0, 0, 0, 0.55);
  white-space: normal;
  overflow-wrap: break-word;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.teaching dd p {
  font-family: PingFang SC;
  font-size: 16px;
  font-weight: 400;
  line-height: 22.4px;
  letter-spacing: 0em;
  text-align: left;
  text-decoration: none;
  color: rgba(0, 0, 0, 0.4);
  padding: 2px 0 2px 5px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.teaching dd p::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  margin: 3px;
  border-radius: 50%;
  background-color: rgba(0, 0, 0, 0.4);
}

.teaching dt:hover,
.teaching dd a:hover,
.teaching dd p:hover {
  color: #00498f;
  cursor: pointer;
}

.teaching nav dt:hover,
.teaching dd a:hover,
.teaching nav dt.active,
.teaching dd a.active {
  border-left-color: #00498f;
  background-color: rgba(0, 73, 143, 0.06);
  color: #00498f;
}

.teaching dd p:hover::before {
  background-color: #00498f;
}

.teaching .teaching_list {
  font-family: PingFang SC;
  letter-spacing: 0em;
  width: calc(100% - 300px);
  text-align: left;
  float: right;
}

.teaching_list li {
  border-bottom: 1px solid rgba(0, 73, 143, 0.12);
  padding: 0;
}

.teaching_list li:first-child {
  padding-top: 0;
}

.teaching_list li:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.teaching_list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 18px 20px;
  border-radius: 8px;
  text-decoration: none;
  transition: background-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.teaching_list a:hover {
  background-color: rgba(0, 73, 143, 0.04);
  box-shadow: 0 8px 24px rgba(0, 73, 143, 0.08);
  transform: translateY(-1px);
}

.teaching_list h6 {
  flex: 1;
  min-width: 0;
  font-size: 19px;
  font-weight: 600;
  line-height: 28px;
  color: rgba(0, 0, 0, 0.85);
  opacity: 1;
  transition: color 0.2s ease;
}

.teaching_list a:hover h6 {
  color: #00498f;
}

.teaching_list p {
  font-size: 18px;
  font-weight: 500;
  line-height: 25px;
  color: #f18d00;
  padding: 5px 0;
}

.teaching_list div {
  flex: 0 0 auto;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 400;
  line-height: 22px;
  color: rgba(0, 0, 0, 0.45);
  text-align: right;
}

/* energyConverter */
.energy_converter .title_box {
  margin-bottom: 20px;
}

.energy_converter .title_box p {
  font-family: PingFang SC;
  font-size: 20px;
  font-weight: 400;
  line-height: 28px;
  letter-spacing: 0px;
  text-align: left;
  color: #999;
}

.energy_converter .title::after {
  content: "";
  display: block;
  height: 3px;
  width: 72px;
  background-color: #00498f;
  margin: 10px 0;
}

.energy_converter .content_box {
  width: 100%;
  border: 1px solid #b3b3b3;
}

.energy_converter .content_top {
  border-bottom: 1px solid #b3b3b3;
}

.energy_converter .content_box > div {
  padding: 20px;
}

.energy_converter label {
  font-family: PingFang SC;
  font-size: 20px;
  font-weight: 500;
  line-height: 28px;
  letter-spacing: 0px;
  text-align: left;
  opacity: 0.85;
}

.energy_converter input {
  width: 200px;
  height: 46px;
  border-radius: 4px;
  border: 1.5px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0px 0px 7px 0px rgba(0, 0, 0, 0.15) inset;
  color: rgba(0, 0, 0, 0.45);
  font-size: 19px;
  line-height: 26px;
}

.energy_converter input[disabled] {
  background-color: rgba(0, 0, 0, 0.05);
}

.energy_converter .content_top div,
.energy_converter .content_bottom div {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.raman {
  margin-top: 90px;
}

/* responsive polish */
:root {
  --lab-blue: #003055;
  --lab-blue-2: #00498f;
  --lab-cyan: #0a6d8d;
  --lab-orange: #f47b20;
  --lab-ink: #23313d;
  --lab-muted: #64717c;
  --lab-line: rgba(0, 73, 143, 0.14);
  --lab-soft: #f5f8fa;
  --lab-shadow: 0 18px 42px rgba(16, 43, 68, 0.1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  min-width: 0;
  background: #ffffff;
  color: var(--lab-ink);
  font-family: AvenirNext, "Avenir Next", "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
}

img,
video {
  max-width: 100%;
}

a {
  text-underline-offset: 3px;
}

.wrap_box {
  width: min(92%, 1480px);
  min-width: 0;
}

@media screen and (min-width: 1800px) {
  .wrap_box {
    width: min(90%, 1680px);
  }
}

.pd90 {
  padding: 72px 0;
}

.title,
.welcome h3,
.research_l h3,
.newsTop h3,
.researchList h3 {
  color: var(--lab-blue-2);
  line-height: 1.22;
  text-align: left;
}

header {
  min-width: 0;
  background:
    radial-gradient(circle at 18% 20%, rgba(244, 123, 32, 0.18), transparent 28%),
    linear-gradient(135deg, #002a4b 0%, #0a497a 58%, #0a6d8d 100%);
}

header .wrap_box {
  height: 100%;
}

header .logo,
header .logo img {
  width: auto;
  max-width: 310px;
}

.h-center {
  left: 50%;
  width: min(56%, 720px);
  transform: translateX(-50%);
  line-height: 1.08;
}

.h-center p:first-child {
  margin-bottom: 8px;
}

.h-right .lang {
  min-height: 34px;
  padding: 3px 6px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
}

menu {
  min-width: 0;
  height: auto;
  background:
    linear-gradient(90deg, rgba(0, 48, 85, 0.98), rgba(0, 73, 143, 0.94)),
    url("../img/nav_bg.png") center / cover;
  box-shadow: 0 10px 28px rgba(0, 48, 85, 0.16);
}

menu > ul {
  min-height: 72px;
  height: auto;
  justify-content: center;
  gap: 6px;
}

.menu li {
  align-self: stretch;
  padding: 0;
}

.menu li a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  min-width: 160px;
  height: 100%;
  min-height: 72px;
  padding: 0 14px;
  border-bottom: 3px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.menu .active,
.menu li a:active,
.menu li a:hover {
  border-bottom-color: var(--lab-orange);
  color: #ffb15f;
  font-size: inherit;
  background: rgba(255, 255, 255, 0.07);
}

.menu .list {
  top: calc(100% - 5px);
  left: 50%;
  width: 210px;
  padding: 10px;
  transform: translateX(-50%);
  border-radius: 8px;
  background: rgba(244, 123, 32, 0.95);
  box-shadow: 0 16px 34px rgba(0, 48, 85, 0.2);
}

.menu .list::before {
  left: 50%;
  transform: translateX(-50%);
  border-bottom-color: rgba(244, 123, 32, 0.95);
}

.menu .list a {
  min-height: 38px;
  border: 0;
  border-radius: 5px;
  font-size: 16px;
}

.banner {
  min-width: 0;
  overflow: hidden;
  background: #001f37;
}

.banner video {
  display: block;
  width: 100%;
}

.banner img {
  pointer-events: none;
}

.welcome,
.research,
.newsList.main {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(245, 248, 250, 0.96)),
    var(--lab-soft);
}

.welcome .content_box {
  align-items: flex-start;
  gap: 34px;
}


.welcome .content_r {
  min-width: 0;
  border: 1px solid rgba(0, 73, 143, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 14px 34px rgba(16, 43, 68, 0.08);
  overflow: hidden;
}

.welcome .mission_box {
  margin-right: 0;
}

.welcome .mission_box img {
  border-right-width: 12px;
  border-radius: 8px;
  box-shadow: var(--lab-shadow);
}

.welcome .mission_box p,
.welcome .message_box p,
.research .wrap_box p,
.researchList p,
.news_detail p,
.research_detail p {
  color: rgba(35, 49, 61, 0.78);
  line-height: 1.72;
}

.welcome .message_box {
  padding: 58px 24px 24px;
  background:
    url("../images/home/quotation_mark_l.png") 18px 18px / 54px auto no-repeat,
    transparent;
}

.picsBox {
  width: 100%;
  max-width: none;
  margin: 0;
  border-radius: 0;
  box-shadow: none;
}

.picsBox .swiper-slide div {
  aspect-ratio: 4 / 3;
}

.picsBox img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.newsTop h3 {
  padding-right: 150px;
}

.newsTop a {
  right: 0;
  border: 1px solid var(--lab-line);
  border-radius: 999px;
  color: var(--lab-blue-2);
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.newsTop a:hover {
  border-color: var(--lab-orange);
  background: var(--lab-orange);
  color: #fff;
}

.newsListBox ul {
  height: auto;
}

.newsList .newsListGrid {
  display: grid;
}

.research_r .swiper-slide div {
  height: auto;
  aspect-ratio: 16 / 9;
  line-height: normal;
  overflow: hidden;
}

.research .research_r img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.peopleCont {
  padding: 28px;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--lab-shadow);
}

.peopleCont .PI img {
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(16, 43, 68, 0.12);
}

.contact_us {
  background:
    linear-gradient(90deg, rgba(0, 48, 85, 0.88), rgba(0, 73, 143, 0.62)),
    url("../img/contact.png") center / cover no-repeat;
}

.contact_us .wrap_box {
  position: relative;
}

.contact_us p {
  max-width: 980px;
}

footer {
  background:
    linear-gradient(135deg, #00243f 0%, #003055 68%, #0a497a 100%);
}

.f_bottom {
  gap: 36px;
}

.f_b_left,
.f_b_right {
  min-width: 0;
}


.publications .wrap_box,
.teaching .wrap_box {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 36px;
}

.publications_nav,
.teaching nav,
.publications .content_list,
.teaching .teaching_list {
  float: none;
  width: auto;
}

.publications .content_list,
.teaching .teaching_list {
  min-width: 0;
}

.publications dd {
  overflow-wrap: anywhere;
}

.researchList li {
  gap: 36px;
}

.researchList .item_l {
  flex: 0 0 34%;
  width: auto;
  max-width: 382px;
  height: auto;
  aspect-ratio: 382 / 232;
  background: #ffffff;
}

.researchList .item_l img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.researchList .item_r {
  min-width: 0;
  margin-left: 0;
}

.research_detail .v_news_content,
.news_detail .content_box {
  overflow-wrap: anywhere;
}

.research_detail img,
.news_detail .content_box img,
.research_detail dd img {
  max-width: 100% !important;
  height: auto !important;
}

.people .personal_info img {
  width: 200px;
  height: 200px;
  object-fit: cover;
}

.people .personal_info .wrap_box {
  padding-right: 260px;
}

.current_member .item {
  gap: 28px;
  box-shadow: 0 12px 30px rgba(16, 43, 68, 0.07);
}

.current_member .item_r {
  min-width: 0;
}

.current_member .item_r .flex {
  gap: 24px;
}

.current_member .info {
  width: 38%;
  min-width: 220px;
}

.current_member .resumeList {
  min-width: 0;
}

.openings .join_us {
  gap: 40px;
}

.join_us_l {
  min-width: 0;
  margin-right: 0;
}

.energy_converter .content_top,
.energy_converter .content_bottom {
  gap: 18px;
}

@media screen and (max-width: 1180px) {
  .wrap_box {
    width: min(94%, 1080px);
  }

  .h-center {
    width: 48%;
    font-size: 24px;
  }

  header .logo,
  header .logo img {
    max-width: 260px;
    height: auto;
  }

  .h-right .group {
    height: 42px;
  }

  menu > ul {
    justify-content: flex-start;
    overflow-x: auto;
    scrollbar-width: thin;
  }

  .menu li {
    flex: 0 0 auto;
  }

  .menu li a {
    min-width: 104px;
    padding: 0 12px;
  }

  .welcome .content_l {
    width: 58%;
  }

  .newsList.main ul li a {
    grid-template-columns: 230px minmax(0, 1fr) 96px;
    gap: 22px;
  }
}

@media screen and (max-width: 960px) {
  .pd90 {
    padding: 56px 0;
  }

  .title,
  .welcome h3,
  .research_l h3,
  .newsTop h3,
  .researchList h3 {
    font-size: 30px;
  }

  header {
    min-height: 190px;
    height: auto;
    overflow: visible;
  }

  header .wrap_box {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 14px 28px;
    padding: 22px 0;
  }

  header .h-left,
  .h-right,
  .h-center {
    position: static;
    float: none;
    top: auto;
    transform: none;
  }

  header .h-left {
    order: 1;
    width: auto;
    text-align: center;
  }

  .h-right {
    order: 2;
    width: auto;
    justify-content: center;
    height: auto;
    gap: 16px;
  }

  .h-center {
    order: 3;
    width: 100%;
    padding: 0;
    font-size: 24px;
  }

  header .logo,
  header .logo img {
    max-width: min(78vw, 320px);
  }

  menu > ul.menu {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    min-height: 0;
    gap: 0;
    overflow: visible;
  }

  .menu li {
    min-width: 0;
    font-size: 17px;
    flex-direction: column;
  }

  .menu li a {
    width: 100%;
    min-width: 0;
    min-height: 54px;
    padding: 0 8px;
  }

  .menu .list {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
    transform: none;
    border-radius: 0;
    box-shadow: none;
  }

  .menu li:has(.list) {
    grid-column: 1 / -1;
  }

  .menu li:hover .list {
    display: grid;
  }

  .menu .list::before {
    content: none;
  }

  .banner video {
    height: 42vw;
    min-height: 230px;
    object-fit: cover;
  }

  .welcome .content_box {
    flex-direction: column;
  }

  .welcome .content_l,
  .welcome .content_r {
    width: 100%;
  }

  .welcome .content_r {
    padding-left: 0;
  }

  .picsBox {
    max-width: 620px;
  }

  .newsList .newsListGrid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .newsList .newsListGrid > li:nth-child(-n+2),
  .newsList .newsListGrid > li:nth-child(n+3) {
    grid-column: auto;
    min-height: 0;
  }

  .newsList .newsListGrid > li:nth-child(-n+2) {
    aspect-ratio: 16 / 10;
  }

  .newsList .newsListGrid > li:nth-child(n+3) .dn-word {
    grid-template-columns: 76px minmax(0, 1fr);
    padding: 16px;
  }

  .newsList.main ul li a {
    grid-template-columns: 190px minmax(0, 1fr);
  }

  .newsList.main .date {
    grid-column: 1 / -1;
    justify-self: start;
    width: auto;
    height: auto;
    padding: 10px 14px;
    flex-direction: row;
    gap: 8px;
  }

  .newsList.main .date span:first-child,
  .newsList.main .date span:last-child {
    margin: 0;
    font-size: 16px;
    line-height: 1;
  }

  .researchList li,
  .current_member .item,
  .openings .join_us,
  .f_bottom {
    flex-direction: column;
    align-items: stretch;
  }

  .researchList .item_l {
    flex: none;
    width: 100%;
    max-width: none;
  }

  .researchList .item_r {
    padding: 0;
  }

  .publications .wrap_box,
  .teaching .wrap_box {
    display: block;
    border-left: 0;
  }

  .publications_nav,
  .teaching nav {
    position: static;
    display: flex;
    gap: 8px;
    overflow-x: auto;
    margin-bottom: 24px;
    padding: 0 0 8px;
    border: 0;
    background: transparent;
  }

  .publications_nav li,
  .teaching nav dt,
  .teaching dd {
    flex: 0 0 auto;
  }

  .publications_nav a,
  .teaching nav dt,
  .teaching dd a {
    white-space: nowrap;
    border: 1px solid var(--lab-line);
    border-radius: 999px;
    background: #fff;
  }

  .people .personal_info .wrap_box {
    padding-right: 0;
  }

  .people .personal_info img {
    position: static;
    display: block;
    margin: 28px auto 0;
  }

  .current_member .item_l {
    margin-right: 0;
    text-align: center;
  }

  .current_member .item_r .flex {
    flex-direction: column;
  }

  .current_member .info {
    width: 100%;
    min-width: 0;
  }

  .contact_us {
    padding-left: 0;
    padding-right: 0;
  }

  .contact_us .modal {
    left: 0;
  }
}

@media screen and (max-width: 640px) {
  .wrap_box {
    width: calc(100% - 32px);
  }

  .pd90 {
    padding: 44px 0;
  }

  .title,
  .welcome h3,
  .research_l h3,
  .newsTop h3,
  .researchList h3 {
    font-size: 26px;
    line-height: 1.25;
  }

  .shadowText {
    display: none;
  }

  .h-center {
    font-size: 21px;
  }

  .h-center span {
    display: block;
    margin: 0 auto;
    max-width: 310px;
    font-size: 13px !important;
    line-height: 1.45;
  }

  header .wrap_box {
    flex-wrap: wrap;
    gap: 10px 12px;
  }

  header .h-left {
    flex: 0 1 auto;
    min-width: 0;
  }

  header .logo,
  header .logo img {
    width: 34vw;
    max-width: 150px;
  }

  .h-right {
    flex: 0 1 auto;
    flex-wrap: nowrap;
    min-width: 0;
    gap: 8px;
  }

  .h-right .group {
    width: 24vw;
    max-width: 108px;
    height: auto;
  }

  /* keep title on its own row below */
  .h-center {
    flex: 1 0 100%;
  }

  menu > ul.menu {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .menu li {
    font-size: 16px;
  }

  .banner video {
    height: 56vw;
    min-height: 210px;
  }

  .welcome .mission_box p,
  .welcome .message_box p,
  .research .wrap_box p,
  .researchList p {
    font-size: 16px;
  }

  .welcome .message_box {
    padding: 52px 18px 20px;
  }

  .newsTop h3 {
    padding-right: 0;
  }

  .newsTop a {
    position: static;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: auto;
    height: 38px;
    margin-top: 14px;
    padding: 0 16px;
    line-height: 1;
  }

  .newsList .newsListGrid > li:nth-child(-n+2) {
    aspect-ratio: 4 / 3;
  }

  .newsList .newsListGrid > li:nth-child(n+3) .dn-word {
    grid-template-columns: 64px minmax(0, 1fr);
    padding: 14px;
  }

  .newsList .newsListGrid > li:nth-child(n+3) .date-day {
    font-size: 30px;
  }

  .newsList .newsListGrid > li:nth-child(n+3) .dn-word h6,
  .newsList .newsListGrid > li:nth-child(-n+2) .dn-word h6 {
    font-size: 16px;
  }

  .newsList.main ul li a {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 14px;
  }

  .newsList.main img.newsPic {
    aspect-ratio: 16 / 10;
    height: auto;
  }

  .research_r .swiper-slide div {
    aspect-ratio: 4 / 3;
  }

  .research .research_r p {
    font-size: 15px;
    line-height: 1.55;
    padding: 10px 14px 24px;
  }

  .peopleCont {
    padding: 18px;
    font-size: 17px;
  }

  .peopleCont .PI {
    float: none;
    padding-right: 0;
    margin-bottom: 18px;
  }

  .peopleCont .PI img {
    width: min(100%, 260px);
  }

  .contact_us p {
    font-size: 17px;
    line-height: 1.65;
  }

  .baiduMap {
    float: none;
    width: 100%;
    height: 260px;
    margin: 24px 0;
  }

  .publications dt {
    min-width: 0;
    height: auto;
    padding: 10px 18px;
    line-height: 1.2;
    font-size: 24px;
  }

  .publications dd {
    margin-left: 0;
    padding: 16px 18px 16px 30px;
    font-size: 16px;
  }

  .publications dd a {
    font-size: 16px;
  }

  .researchList h4 {
    font-size: 21px;
  }

  .researchList .item_r p {
    font-size: 17px;
    line-height: 1.6;
  }

  .research_detail,
  .news_detail {
    padding-bottom: 56px;
  }

  .research_detail pre {
    white-space: pre-wrap;
    font-size: 18px;
  }

  .current_member .item {
    padding: 22px 18px;
  }

  .current_member .item img {
    width: 150px !important;
    height: 150px !important;
  }

  .current_member .item .name {
    font-size: 24px;
    line-height: 1.25;
  }

  .current_member .item .position {
    font-size: 17px;
  }

  .current_member .resumeList p {
    padding-left: 0;
  }

  .current_member .resumeList p::before {
    content: none;
  }

  .teaching_list a {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .teaching_list div {
    white-space: normal;
    text-align: left;
  }

  .energy_converter .content_top,
  .energy_converter .content_bottom {
    flex-direction: column;
  }

  .energy_converter input {
    width: 100%;
  }

  .collaboration {
    grid-template-columns: 1fr;
  }

  .collaboration::after {
    grid-column: 1;
    grid-row: auto;
    width: 96px;
    height: 96px;
    margin-top: 16px;
  }
}

/* ===== Mobile Hamburger Menu ===== */
.menu-toggle {
  display: none;
  position: absolute;
  right: 16px;
  top: 0;
  bottom: 0;
  margin: auto 0;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 10;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 2px;
  transition: transform 0.28s ease, opacity 0.28s ease;
}

.menu-toggle--open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.menu-toggle--open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media screen and (max-width: 640px) {
  menu {
    position: relative;
    height: 52px;
  }

  .menu-toggle {
    display: flex;
  }

  menu > ul.menu {
    display: none !important;
    flex-direction: column;
    grid-template-columns: none;
    width: 100%;
    padding: 4px 0 8px;
    background: linear-gradient(135deg, rgba(0, 48, 85, 0.99), rgba(0, 73, 143, 0.97));
    box-shadow: 0 8px 24px rgba(0, 48, 85, 0.22);
    position: absolute;
    top: 52px;
    left: 0;
    right: 0;
    z-index: 100;
  }

  menu.menu-open > ul.menu {
    display: flex !important;
  }

  .menu li {
    width: 100%;
    font-size: 15px;
    flex-direction: column;
    align-items: stretch;
    padding: 0;
  }

  .menu li a {
    display: flex;
    align-items: center;
    width: 100%;
    min-width: 0;
    min-height: 48px;
    padding: 0 20px;
    text-align: left;
    justify-content: flex-start;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    border-left: 3px solid transparent;
  }

  .menu .active,
  .menu li a:hover,
  .menu li a:active {
    border-bottom-color: rgba(255, 255, 255, 0.07);
    border-left-color: var(--lab-orange);
    background: rgba(255, 255, 255, 0.07);
    font-size: 15px;
  }

  .menu li:hover .list {
    display: none;
  }

  .menu .list {
    display: none;
    position: static;
    transform: none;
    border-radius: 0;
    box-shadow: none;
    width: 100%;
    background: rgba(0, 24, 52, 0.97);
    padding: 4px 0;
  }

  .menu .list::before {
    content: none;
  }

  .menu .list.list--open {
    display: block !important;
  }

  .menu .list a {
    padding: 10px 20px 10px 36px;
    min-height: 44px;
    text-align: left;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    font-size: 14px;
    width: 100%;
  }
}