/* 初始化代码 */
* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  color: #333;
  font-family: "Montserrat-Reg", sans-serif;
  font-size: 18px;
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
  color: #333;
  cursor: pointer;
}

a:hover {
  color: #333;
}

a.active {
  color: tomato;
}

h1,
h2,
h3 {
  margin: 15px 0px;
  color: tomato;
}

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

main section p,
main section li {
  text-align: justify;
}

small {
  display: block;
}

label {
  cursor: pointer;
}

/* 初始化代码结束 */

/* 顶部导航栏 */
.nav {
  position: fixed;
  top: 0px;
  left: 50%;
  width: 100%;
  transform: translateX(-50%);
  background: #ffffff;
  margin: 0 auto;
  z-index: 1000;
  transition: all 1s;
}

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

nav>.logo {
  display: flex;
  flex: 5;
  position: relative;
}

nav>.logo img {
  height: 60.2px;
}

nav>.toggle,
nav>.toggle_btn {
  position: relative;
  display: flex;
  flex: 1;
  align-items: center;
  height: 13px;
  font-size: 16px;
  font-family: Gadugi;
  font-weight: bold;
  color: #ff9966;
  white-space: nowrap;
}

nav>.toggle:hover,
nav>.toggle_btn:hover,
nav>.dropdown_menu>.toggle:hover {
  color: #663333;
  cursor: pointer;
}

/* 响应式顶部导航栏 */
nav>.toggle_btn {
  display: none;
}

nav>.toggle_btn::before {
  content: "Menu";
}

nav>.dropdown_menu {
  position: fixed;
  top: 85px;
  left: -700px;
  display: none;
  flex-direction: column;
  width: 150px;
  padding: 10px;
  box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.2);
  transition: all 0.5s;
}

nav>.dropdown_menu.active {
  left: 2px;
}

nav>.dropdown_menu>.toggle {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding: 10px 0px;
  font-size: 16px;
  font-weight: bold;
  color: #ff9966;
  font-family: Gadugi;
}

@media screen and (max-width: 768px) {
  nav {
    flex-direction: row-reverse;
    padding: 20px 40px;
  }

  nav>.logo {
    justify-content: right;
  }

  nav>.toggle {
    display: none;
  }

  nav>.toggle_btn {
    justify-content: flex-start;
  }

  nav>.toggle_btn,
  nav>.dropdown_menu {
    display: flex;
  }

  nav>.toggle_btn {
    padding-right: 0;
  }
}

@media screen and (max-width: 576px) {
  nav {
    padding: 5px 5px;
  }
}

/* 响应式顶部导航栏结束 */

nav>.toggle span,
nav>.toggle_btn span,
nav>.dropdown_menu>.toggle span {
  position: relative;
  display: block;
  margin-left: 10px;
  width: 12px;
  height: 50px;
}

nav>.toggle span::before,
nav>.toggle span::after,
nav>.toggle_btn span::before,
nav>.toggle_btn span::after,
nav>.dropdown_menu>.toggle span::before,
nav>.dropdown_menu>.toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: #ed9172;
  transition: 0.5s;
}

nav>.toggle span::before,
nav>.toggle_btn span::before,
nav>.dropdown_menu>.toggle span::before {
  top: 20px;
}

nav>.toggle span::after,
nav>.toggle_btn span::after,
nav>.dropdown_menu>.toggle span::after {
  bottom: 20px;
}

nav>.toggle.active span::before,
nav>.toggle_btn.active span::before,
nav>.dropdown_menu>.toggle.active span::before {
  transform: rotate(225deg);
  top: 24px;
}

nav>.toggle.active span::after,
nav>.toggle_btn.active span::after,
nav>.dropdown_menu>.toggle.active span::after {
  transform: rotate(135deg);
  bottom: 24px;
}

/* 顶部导航栏结束 */

/* 中间主体部分 */
/* 主面板区域 */
.showcase {
  display: flex;
  flex-direction: column;
  position: relative;
  left: 0;
  width: 100%;
  background: #f5f5f5;
  transition: all 0.5s;
}

.showcase.active {
  left: -266.7px;
}

.showcase section[id^="anchor"] a {
  display: inline-block;
  position: relative;
  z-index: 1;
}

.showcase section[id^="anchor"] a::before {
  content: "";
  position: absolute;
  display: block;
  height: 0;
  left: 1px;
  right: 1px;
  bottom: 4px;
  background-color: #f89938;
  box-shadow: 0 0 1px 2px #f89938;
  -o-transition: height 0.3s ease, box-shadow 0.3s ease;
  -moz-transition: height 0.3s ease, box-shadow 0.3s ease;
  -webkit-transition: height 0.3s ease, box-shadow 0.3s ease;
  transition: height 0.3s ease, box-shadow 0.3s ease;
  z-index: -1;
}

.showcase section[id^="anchor"] a:hover::before {
  height: 65%;
  box-shadow: 0 0 2px 2px #f89938;
}

/* 一般页面 */
main>.container>.row>.col-md-9.big {
  width: 93%;
}

main>.container>.row>.col-md-9 {
  margin-left: auto;
  padding-bottom: 100px;
}

/* home页面布局开始 */
.parallax {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.gs_reveal {
  opacity: 0;
  visibility: hidden;
  will-change: transform, opacity;
}

/* 按钮样式 */

/* 凝珠的展开和收起开始 */

/* 凝珠的展开和收起结束 */
/* 底部增加栏开始 */
.thumbnails {
  padding: 50px 0px 20px 0;
}

.thumbnails .item-hugger {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 20px;
  font-weight: bold;
  cursor: pointer;
  width: 200px;
  height: 200px;
  box-shadow: 0px 5px 12px rgba(0, 0, 0, 0.5);
  border-radius: 20%;
  transition: all 0.3s;
  margin: 0px 20px;
}

.thumbnails .item-hugger:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0px 10px 20px rgba(0, 0, 0, 0.3);
}

/* 底部增加栏结束 */
/* home页面布局结束 */

/* 中间主体部分结束 */

/* 侧边响应导航栏 */

.menu .toggle_item {
  position: fixed;
  top: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 266.7px;
  height: 100%;
  padding-left: 0;
  transform: translateX(-500px);
}

.toggle_item li {
  transform: translateX(-500px) scale(0);
  position: relative;
  transition: 0.5s;
}

.toggle_item.active li {
  visibility: visible;
  opacity: 1;
  transform: translateX(0px) scale(1);
  transition: all 0.5s calc(var(--i) * 0.1s);
  z-index: var(--i-z);
}

.toggle_item.active li a:hover {
  background: #f4f4f4;
  color: #663333;
}

.menu .toggle_item.active {
  transform: translateX(0px);
}

.toggle_item li a {
  display: block;
  width: 266.7px;
  height: 66.7px;
  line-height: 66.7px;
  padding-left: 33px;
  text-decoration: none;
  font-size: 16px;
  font-family: Gadugi;
  font-weight: 400;
  color: #666633;
}

/* 侧边响应导航栏 */
/* 底部栏 */

footer {
  position: relative;
  left: 0;
  min-width: 100%;
  padding-bottom: 100px;
  background: #ffffff;
  transition: all 0.5s;
}

footer.active {
  left: -266.7px;
}

.fish-container {
  width: 100%;
  height: 200px;
  transform: translateY(450px);
  margin: 0;
  padding: 0;
  background-color: #ffffff;
}

footer .up {
  padding: 20px 0px;
  border-bottom: 2px solid #606366;
}

.clearfix::after {
  content: "";
  display: table;
  clear: both;
}

footer .up .left {
  height: 128px;
  font-size: 12px;
  text-align: center;
}

footer .down .left div,
footer .down .left a {
  font-size: 14px;
  font-weight: 550;
}

footer .down .left a {
  text-decoration: underline;
}

footer .down .left a:hover {
  color: tomato;
  cursor: pointer;
}

footer .down .social {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

footer .down .social a {
  margin: 10px;
}

.wechat1 {
  fill: #e6e6e6;
}

.wechat2 {
  fill: #16d46b;
}

.bilibili {
  width: 35px;
}

.twitter {
  fill: #4b9dea;
}

.instagram {
  fill: lightcoral;
}

/* 底部栏——轮播图 */

footer section {
  float: right;
  overflow: hidden;
  width: 730px;
  height: 128px;
  position: relative;
}

footer .swiper {
  width: 100%;
  height: 100%;
}

footer .swiper-slide {
  text-align: center;
  font-size: 18px;

  /* Center slide text vertically */
  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: center;
}

footer .swiper-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 底部栏结束 */

/* 引用文献手风琴部分 */
.accordion {
  overflow: hidden;
  width: 100%;
  margin: 0 auto;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

.accordion li {
  padding-left: 0;
}

.accordion>li input {
  display: none;
}

.accordion>li label {
  display: block;
  position: relative;
  width: 100%;
  padding: 20px 50px;
  background-color: #fff;
  cursor: pointer;
  background-color: #fefadd;
  transition: all 0.3s ease;
}

.accordion>li label:hover {
  background-color: #ffd3a4;
}

.accordion>li ol {
  width: 100%;
}

.accordion>li ol li {
  position: relative;
  width: 100%;
  height: 0;
  transition: all 0.3s ease;
}

.accordion>li input:checked~ol li {
  height: auto;
  padding: 20px;
  font-size: 14px;
}

/* 引用文献手风琴部分结束 */

/* 主体内容 */

/* team 团队部分的css内容开始 */
/* description的头部 */
header.team,
header.description {
  width: 100%;
  height: 70vh;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  padding: 0 10%;
}

/* header.description .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 70vh;
  background-color: #fabe99;
  mix-blend-mode: overlay;
} */

header.team>.bigTitle,
header.description>.bigTitle {
  font-size: 80px;
  font-weight: 900;
}

@media screen and (max-width: 768px) {

  header.team>.bigTitle,
  header.description>.bigTitle {
    font-size: 40px;
  }
}

section.team .title {
  color: tomato;
  font-size: 50px;
  line-height: 50px;
  font-weight: 900;
  margin-top: 50px;
  text-align: center;
}

section.team .member,
section.team .instructor,
section.team .advisor {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
}

section.team .cardRole {
  position: relative;
  width: 335px;
  height: 250px;
  margin: 50px 0px;
}

section.team .cardRole .rolebg {
  height: 250px;
  background: url("https://static.igem.wiki/teams/4653/wiki/members/szu-teammembers.jpg") no-repeat center center/cover;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
  border-radius: 20px;
  transform-origin: bottom;
  transition: all 1s;
}

section.team .cardRole:hover .rolebg {
  transform: perspective(1000px) rotateX(30deg) skewX(-20deg);
}

section.team .cardRole img {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50%;
  height: 75%;
  object-fit: cover;
  transform-origin: bottom;
  transition: 1s;
}

section.team .cardRole:hover img {
  transform: scale(1.3) translateX(-50%);
}

section.team .cardRole .content1 {
  position: absolute;
  top: 200px;
  left: 0;
  width: 100%;
  opacity: 0;
  transition: all 1s;
}

section.team .cardRole:hover .content1 {
  opacity: 1;
  top: 250px;
}

section.team .cardRole .content1 h3 {
  font-size: 20px;
  margin: 0px;
}

section.team .cardRole .content1 p {
  font-size: 14px;
}

section.team .cardRole .content2 {
  position: absolute;
  top: 33%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: all 1s;
}

section.team .cardRole .content2 p {
  display: inline-block;
  margin-bottom: 10px;
  padding: 5px 10px;
  background-color: rgba(255, 255, 255, 0.7);
  border-radius: 5px;
}

section.team .cardRole:hover .content2 {
  font-weight: 700;
  font-size: 20px;
  color: tomato;
  opacity: 1;
  transform: translateX(48px);
}

/* team 团队部分的css内容结束 */

/* attributions css开始 */
.attributions .main-title {
  color: tomato;
}

.attributions span {
  font-weight: 700;
}

/* 侧边栏开始 */
/* 白色主题 */
:root {
  --color-menu-bg: #fff;
  --font-color-mi: #000;
  --font-color-mi-hover: #1890ff;
  --color-bg-mi-hover: #ececec;
  --border-radius-mi: 2px;
  --transition-menu-time: 0.2s;
  --color-line-bg: #d3d3d3;
}

.menu-box {
  font-family: "Trebuchet MS", "Lucida Sans Unicode", "Lucida Grande",
    "Lucida Sans", Arial, sans-serif;
  letter-spacing: 0.5px;
  font-weight: 600;
  position: relative;
  width: fit-content;
  min-height: 100vh;
  padding: 6px 12px;
  box-sizing: border-box;
  background-color: var(--color-menu-bg);
  position: fixed;
}

.menu-box input[type="checkbox"] {
  display: none;
}

.menu-box>label {
  position: absolute;
  top: 48%;
  right: 0;
  transform: translateX(50%);
  width: 20px;
  height: 20px;
  border-radius: 20px;
  box-shadow: 0px 0px 4px 0px #000;
  background-color: var(--color-menu-bg);
  color: var(--font-color-mi);
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.menu-box>label>i {
  font-weight: 900;
  text-indent: -3px;
  font-size: 20px;
  transition: transform var(--transition-menu-time);
  transform: rotate(0deg);
}

.menu-box>label:hover {
  box-shadow: 0px 0px 2px 0px #000;
  color: var(--font-color-mi-hover);
}

.menu-box>input#menu-btn:checked+label>svg {
  transform: rotate(180deg);
}

.menu {
  font-size: 18px;
  width: 220px;
  min-height: 100%;
  cursor: pointer;
  overflow: hidden;
  transition: width var(--transition-menu-time);
  color: var(--font-color-mi);
}

.menu-box>input#menu-btn:checked~.menu {
  width: 0;
}

.menu-title {
  text-align: center;
  margin-bottom: 10px;
}

.menu-item>label {
  position: relative;
  width: 100%;
  height: 50px;
  border-radius: var(--border-radius-mi);
  display: flex;
  align-items: center;
}

.menu-item>label:hover {
  color: var(--font-color-mi-hover);
}

.menu-item>label>i:first-child {
  flex: none;
  margin-right: 6px;
  font-size: 24px;
}

.menu-item>label>span {
  flex: 1;
}

.menu-item>label>i:last-child {
  flex: none;
  font-size: 20px;
  font-weight: 900;
  transform: rotate(0deg);
  transition: transform var(--transition-menu-time);
}

.menu-item>input:checked+label>i:last-child {
  transform: rotate(180deg);
}

.menu-content {
  height: 0;
  overflow: hidden;
  transition: height var(--transition-menu-time);
  display: flex;
  flex-wrap: wrap;
  background-color: var(--color-menu-bg);
}

.menu-content>span {
  width: 100%;
  padding-left: 16px;
  line-height: 40px;
  border-radius: var(--border-radius-mi);
}

.menu-content>span:hover {
  background-color: var(--color-bg-mi-hover);
  color: var(--font-color-mi-hover);
}

.set-line {
  margin: 20px 0 10px 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-line-bg);
}

.sidebar {
  position: sticky;
  top: 0;
  left: -266.7px;
  height: 100%;
  transition: all 0.5s ease;
}

.sidebar .links {
  width: 100%;
  height: 100vh;
  margin-top: 20px;
  overflow-y: auto;
}

.sidebar .links::-webkit-scrollbar {
  display: none;
}

.links li {
  width: 100%;
}

.links li .scroll-link {
  font-size: 23px;
  line-height: 30px;
  display: block;
  padding: 7px 0;
  border-radius: 4px;
}

.links li .scroll-link:hover {
  color: tomato;
  background: #fff;
}

.links li .scroll-link.active {
  color: tomato;
}

/* 侧边栏结束 */

/* description描述开始 */

main {
  margin-top: 25px;
}

main h2 {
  position: relative;
  color: tomato;
  font-family: "Titan";
  font-size: 40px;
  -webkit-text-stroke: 5px transparent;
  -webkit-background-clip: text;
  background-color: #fff9e9;
}

/* medal 页面 */
.table-striped>tbody>tr:nth-child(2n + 1)>td,
.table-striped>tbody>tr:nth-child(2n + 1)>th {
  background-color: #f2dec9;
  box-shadow: none;
}

/*  */
.showcase>main>.container>.row {
  justify-content: space-between;
}