@charset "UTF-8";
:root {
  --color-primary: #0170f5;
  --color-title-dark: #333333;
  --color-background: #f5f8ff;
  --color-secondary: #edf5ff;
  --line: 1px solid #f1f1f1;
  --color-grey-light-1: #666666;
  --color-white: #fff;
  --grid-width: 120rem;
  --grid-vertical: 5rem;
  --grid-horizontal: 6rem;
  --grid-horizontal-small: 3rem;
}

* {
  margin: 0;
  padding: 0;
}

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

html {
  box-sizing: border-box;
  font-size: 62.5%;
}

body {
  font-family: sans-serif;
  font-weight: 400;
  line-height: 1.6;
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  margin: 0 auto;
}

.nav-box {
  display: flex;
  align-items: center;
  padding: 3rem 0;
  width: 120rem;
  margin: 0 auto;
}

.nav-content {
  margin-left: auto;
}

.nav-content {
  display: flex;
}

.nav-list {
  position: relative;
  list-style: none;
  text-align: center;
}
.nav-list a:link,
.nav-list a:visited {
  display: inline-block;
  text-decoration: none;
  font-size: 1.6rem;
  font-weight: 500;
  padding: 1.5rem 3rem;
  color: var(--color-title-dark);
  outline: none;
}

.nav-list:hover .nav-list__link {
  color: #347bcf;
}

.nav-item {
  position: absolute;
  background-color: var(--color-white);
  display: none;
}

.nav-item__link {
  text-align: center;
}

.nav-list:hover > .nav-item {
  display: block;
}

.logo {
  height: 5rem;
}

.daoyu::before {
  position: absolute;
  content: "“";
  font-size: 500%;
  font-family: serif;
  display: block;
  color: var(--color-white);
  top: 0;
  left: 0;
}

.daoyu::after {
  position: absolute;
  content: "”";
  font-size: 500%;
  font-family: serif;
  display: block;
  color: var(--color-white);
  bottom: -2rem;
  right: 3rem;
}

p {
  color: var(--color-white);
  font-size: 1.6rem;
}

.title {
  margin-bottom: 5rem;
}
@media (max-width: 600px) {
  .title {
    margin-bottom: 2rem;
  }
}

.title-img {
  width: 100%;
}

.section-xsl {
  padding: 10rem 0;
}

.xsl-box {
  width: 100%;
  background-color: var(--color-secondary);
  border-radius: 3rem;
}

.xsl-title {
  display: flex;
  align-items: center;
}

.xsl-title__name {
  display: block;
  font-size: 2rem;
  font-weight: 500;
  padding-left: 5rem;
  line-height: 5rem;
  width: 35%;
  height: 8rem;
  color: var(--color-white);
  background-image: url(../img/xsl-title-bg.png);
  background-size: 100%;
  background-repeat: no-repeat;
}

.xsl-title__more {
  display: block;
  margin-left: auto;
  font-size: 1.6rem;
  font-weight: 400;
  color: #347bcf;
  text-decoration: none;
}

.xsl-content {
  padding: 0 3rem 1.5rem;
}

.xsl-item {
  display: flex;
  padding: 1rem 0;
  gap: 2rem;
  align-items: center;
  border-top: var(--line);
}
.xsl-item__photo {
  display: block;
  flex: 1;
}
.xsl-item img {
  width: 100%;
}
.xsl-item__text {
  flex: 2;
}
.xsl-item__text a {
  text-decoration: none;
  color: var(--color-title-dark);
  font-size: 1.4rem;
}

.xsl-item__abstract {
  color: var(--color-grey-light-1);
  font-size: 1.2rem;
}

.section-3 {
  padding: 10rem 0;
}
@media (max-width: 600px) {
  .section-3 {
    padding: 5rem 0;
  }
}

input {
  display: none;
}

.tab_container {
  width: 100%;
  margin: 0 auto;
}

.tab_content {
  display: none;
  width: 100%;
  float: left;
}

.tab_item {
  display: flex;
  gap: 3.5rem;
  float: left;
  width: calc((100% - var(--grid-horizontal)) / 2);
  margin-top: 5rem;
}
@media (max-width: 600px) {
  .tab_item {
    float: none;
    width: 100%;
    gap: 1.5rem;
    margin-top: 2rem;
  }
}

.tab_item:nth-child(2n + 1) {
  margin-right: var(--grid-horizontal);
}
@media (max-width: 600px) {
  .tab_item:nth-child(2n + 1) {
    margin-right: 0;
  }
}

.tab_item--pic {
  width: 40%;
}
@media (max-width: 600px) {
  .tab_item--pic {
    width: 30%;
  }
}

.tab_item--title {
  margin-top: 2rem;
  font-size: 1.8rem;
}
@media (max-width: 600px) {
  .tab_item--title {
    margin-top: 1rem;
    font-size: 1.6rem;
  }
}

.tab_item--title a {
  text-decoration: none;
  color: var(--color-title-dark);
}

label {
  font-weight: bold;
  font-size: 2.4rem;
  display: block;
  width: 25%;
  color: #757575;
  padding: 1.5rem;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  float: left;
}
label span {
  padding: 1rem 0;
}
@media (max-width: 900px) {
  label {
    font-size: 2rem;
  }
}
@media (max-width: 600px) {
  label {
    /* float: none;
    width: 40%; */
    margin: 0 auto;
    font-size: 1.4rem;
    padding: 1rem;
  }
}

input:checked + label {
  color: #2c4996;
  /* border-bottom: 3px solid #2c4996; */
}
input:checked + label span {
  border-bottom: 3px solid #2c4996;
}

#tab1:checked ~ #content1,
#tab2:checked ~ #content2,
#tab3:checked ~ #content3,
#tab4:checked ~ #content4 {
  display: block;
}

.tab_content .col-1-of-2 {
  margin-top: 5rem;
}

.tab_content .col-1-of-2:nth-child(2n) {
  margin-right: 0 !important;
}

.section-hds {
  padding: 10rem 0;
  background-image: linear-gradient(
    rgba(56, 70, 77, 0.1),
    rgba(56, 70, 77, 0.1)
  );
  background-size: cover;
  background-attachment: fixed;
}
@media (max-width: 600px) {
  .section-hds {
    padding: 5rem 0;
  }
}

.picNews {
  width: 100%;
  overflow: hidden;
}
@media (max-width: 600px) {
  .picNews {
    margin-bottom: 2rem;
  }
}

.picNews img {
  width: 580px;
  height: 300px;
}
@media (max-width: 900px) {
  .picNews img {
    width: 100%;
    height: auto;
  }
}

.picNews a {
  display: block;
  line-height: 0;
}

.picTit {
  background: #fafafa;
  padding: 2rem;
  font-size: 1.8rem;
  line-height: 2.5rem;
  height: 10rem;
}
@media (max-width: 600px) {
  .picTit {
    height: auto;
    padding: 1rem;
  }
}

.picTit a {
  text-decoration: none;
  color: var(--color-title-dark);
  line-height: 2.5rem;
  font-size: 1.8rem;
  font-weight: bold;
}

.picNews .picTit p {
  font-size: 14px;
  line-height: 25px;
  margin-top: 10px;
  color: #999;
}

.headNews {
  height: 12rem;
  background: #fafafa;
  padding: 1rem;
  margin-bottom: 20px;
}

.headNews a {
  text-decoration: none;
  color: var(--color-title-dark);
  font-size: 1.8rem;
}

.headNews p {
  color: var(--color-grey-light-1);
  font-size: 1.4rem;
  line-height: 2;
}

.footer {
  padding: 3rem 0;
  background: #2c4996;
  text-align: center;
}
@media (max-width: 600px) {
  .footer p {
    font-size: 1.3rem;
  }
}

.row {
  max-width: var(--grid-width);
  margin: 0 auto;
  content: "";
  display: table;
  clear: both;
}
.row:not(:last-child) {
  margin-bottom: var(--grid-vertical);
}
@media (max-width: 1200px) {
  .row {
    max-width: 100%;
    padding: 0 3rem;
  }
}
.row [class^="col-"] {
  float: left;
}
.row [class^="col-"]:not(:last-child) {
  margin-right: var(--grid-horizontal);
}
@media (max-width: 900px) {
  .row [class^="col-"]:not(:last-child) {
    margin-right: var(--grid-horizontal-small);
  }
}
@media (max-width: 600px) {
  .row [class^="col-"]:not(:last-child) {
    margin-right: 0;
  }
}

.col-1-of-2 {
  width: calc((100% - var(--grid-horizontal)) / 2);
}
@media (max-width: 900px) {
  .col-1-of-2 {
    width: calc((100% - var(--grid-horizontal-small)) / 2);
  }
}
@media (max-width: 600px) {
  .col-1-of-2 {
    width: 100%;
  }
}

.col-1-of-3 {
  width: calc((100% - var(--grid-horizontal) * 2) / 3);
}

.col-2-of-3 {
  width: calc(
    (100% - var(--grid-horizontal) * 2) / 3 * 2 + var(--grid-horizontal)
  );
}

.col-1-of-4 {
  width: calc((100% - var(--grid-horizontal) * 3) / 4);
}

.col-2-of-4 {
  width: calc(
    (100% - var(--grid-horizontal) * 3) / 4 * 2 + var(--grid-horizontal)
  );
}

.col-3-of-4 {
  width: calc(
    (100% - var(--grid-horizonal) * 3) / 4 * 3 + var(--grid-horizonal) * 2
  );
}

/*# sourceMappingURL=style.css.map */