/* 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;
    font-size: 15px;
}

a:hover {
    color: #333;
}

a.active {
    color: tomato;
}

h1,
h2 {
    margin: 15px 0px;
    /*color: tomato;*/
    color: #fe862a;
}

h3 {
    color: #e28639;
}

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 {
    display: block;
    position: fixed;
    top: 0px;
    left: 50%;
    width: 100%;
    transform: translateX(-50%);
    margin: 0 auto;
    z-index: 1000;
    transition: all 1s;
    background-color: var(--color-body-bg);
}

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

}

nav > .logo {
    max-width: 50vh;
    display: flex;
    position: relative;
}

nav > .logo img {
    max-height: 60.2px;
    width: 40vh;
    height: auto;
}

nav > .toggle,
nav > .toggle_btn {
    padding-left: 10px;
    position: relative;
    display: flex;
    flex: 1;
    align-items: center;
    height: 15px;
    font-size: 16px;
    font-family: Gadugi;
    font-weight: bold;
    color: #ff9966;
    white-space: nowrap;
}

nav > .toggle > .toggle{
    padding-left: 10px;
    position: relative;
    display: flex;
    align-items: center;
    height: 15px;
    font-size: 16px;
    font-family: Gadugi;
    font-weight: bold;
    color: #ff9966;
    white-space: nowrap;
}

nav > .toggle a:hover,
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 10px;
    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: flex;
        width: 120px;
    }


    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;
    padding-right: 10px;
}

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: -225px;
}

.showcase section[id^="anchor"] a,
.accordion 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;
    background-color: #fae594;
    color: #484e5a;
}

main > .container > .row > .col-md-9 section ,
main > .container > .row > .col-md-9 .introduction
{
    padding-right: 10px;
    padding-left: 10px;

}

/* 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: 240px;
    height: 100%;
    padding-left: 0;
    transform: translateX(-500px);
}

.toggle_item li {
    transform: translateX(-500px) scale(0);
    position: relative;
    transition: 0.5s;
    display: flex; /* 使用 Flexbox 布局 */
    justify-content: center; /* 水平居中 */
    align-items: center; /* 垂直居中 */
    border: 2px solid var(--color-body-bg); /* 设置边框颜色 */
    border-radius: 15px; /* 圆角半径 */
    background-color: var(--color-menu-bg); /* 背景色（可选） */
    margin: 5px 0; /* 上下间距 */
    width: var(--menu-toggle-size); /*  控制大小*/
}


.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: var(--color-body-bg);
    color: #663333;
}

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


.toggle_item li a {
    display: flex; /* Flex布局，便于居中内容 */
    justify-content: center; /* 水平居中 */
    align-items: center; /* 垂直居中 */
    text-align: center; /* 确保文字在多行时仍然居中 */
    width: 266.7px;
    height: auto; /* 高度设置为自动以适应多行文本 */
    min-height: 66.7px; /* 保持最小高度 */
    padding-left: 33px;
    padding-right: 33px; /* 如果需要左右内边距 */
    text-decoration: none; /* 去除下划线 */
    font-size: 16px;
    font-family: Gadugi;
    color: #666633;
    word-wrap: break-word; /* 允许长单词换行 */
    white-space: normal; /* 允许自动换行 */
}


/* 侧边响应导航栏 */
/* 底部栏 */

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

.two {
    margin-top: 5px;
}

.footer-color {
    background-color: #849c41;
    padding-bottom: 100px;
    border-top-left-radius: 30px; /* 左上角圆角 */
    border-top-right-radius: 30px; /* 右上角圆角 */
}


footer.active {
    left: -225px;
}

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

footer .up {
    padding: 20px 0;
    /*border-bottom: 2px solid #572e0b;*/
    /*background-color: #feefce;*/
}

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

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

footer .down {
    padding-top: 20px;
    background-color: #849c41;
    color: #feefce;
}

footer .down .footer-copyright {
    font-size: 14px;
    font-weight: 550;
}

footer .down .footer-copyright a {
    font-size: 16px;
    font-weight: 600;
    color: #f3bb66;
}

/*footer .down .footer-copyright a:hover {*/
/*  color: tomato;*/
/*  cursor: pointer;*/
/*}*/

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

footer .down .footer-link 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 {
    height: 100%;
    width: auto;
    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: 95%;
    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: 90vh;
    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: #fe862a;
    font-size: 50px;
    line-height: 50px;
    font-weight: 900;
    margin-top: 70px;
    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: 90px 0px;
}

section.team .cardRole .rolebg {
    height: 250px;
    background: url("https://static.igem.wiki/teams/5499/memberbackground.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-font-strong: #ff914c;
    --color-menu-bg: #f3bb66;
    --color-body-bg: #feefce;
    --font-color-mi: #000;
    --font-color-mi-hover: #1890ff;
    --color-bg-mi-hover: #fffee0;
    --border-radius-mi: 2px;
    --transition-menu-time: 0.2s;
    --color-line-bg: #fffee0;
    --menu-toggle-size: 195px;
}

/*设置背景色*/
.showcase {
    background-color: var(--color-body-bg);
}

/*主盒子的flex*/
main .row {
    display: flex;
    flex-wrap: nowrap; /* 保持子盒子不换行 */
    gap: 15px; /* 添加 10px 的间距 */
}

.menu-box {
    font-family: "Trebuchet MS", "Lucida Sans Unicode", "Lucida Grande",
    "Lucida Sans", Arial, sans-serif;
    letter-spacing: 0.5px;
    font-weight: 600;
    width: fit-content;
    min-height: 90vh;
    padding: 6px 12px;
    box-sizing: border-box;
    background-color: var(--color-menu-bg);
    position: fixed;
    border-radius: 15px; /* 设置圆角，值可以根据需要调整 */
}


.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: 8px;
    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-title h1 {
    color: #feefce;
}

.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: -225px;
    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;
    margin-bottom: 20px;
}

main h2 {
    position: relative;
    color: #fe862a;
    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 {
    padding-top: 60px;
}

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

/*旋转logo转换动画*/
#content-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #feefce; /* 你希望的覆盖颜色 */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9998; /* 确保在内容上方，但在加载图标下方 */
    opacity: 0; /* 初始为透明 */
    transition: opacity 1s ease; /* 渐变效果 */
}

#loading {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}


@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes spin-reverse {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(-360deg);
    }
}

/* 表格标题居中，且在表格上方显示 */
table caption {
    text-align: center;
    caption-side: top; /* 将标题放在表格上方 */
    margin-bottom: 10px; /* 可选：为表格与标题之间添加间距 */
    color: var(--font-color-mi); /* 字体颜色 */
}

/*home*/
.home-head-leadingInfo-one {
    font-size: 36px; /* 调整字体大小 */
    text-align: center; /* 水平居中 */
    font-family: "Trebuchet MS", "Lucida Sans Unicode", "Lucida Grande", "Lucida Sans", Arial, sans-serif;
    color: var(--font-color-mi);
    /*line-height: 1.5; !* 设置行间距以确保分行效果 *!*/
    /*word-wrap: break-word; !* 允许文字自动换行 *!*/
    /*display: flex;*/
    /*justify-content: center; !* 水平居中 *!*/
    /*align-items: center; !* 垂直居中 *!*/
    /*height: 100%; !* 占满父容器的高度 *!*/
    /*margin: 0; !* 去除默认边距 *!*/
}

.home-head-leadingInfo-two {
    font-size: 48px; /* 调整字体大小 */
    text-align: center; /* 水平居中 */
    font-family: "Trebuchet MS", "Lucida Sans Unicode", "Lucida Grande", "Lucida Sans", Arial, sans-serif;
    color: var(--color-font-strong);
}

.icon-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.top-icons {
    display: flex;
    justify-content: center;
    gap: 20px; /* 设置均匀间距 */
    margin-bottom: 20px; /* 给上部分和下部分增加一些间距 */
}

.bottom-icons {
    display: flex;
    justify-content: center;
    gap: 20px; /* 设置均匀间距 */
}

.icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 150px;
    cursor: pointer;
    transition: transform 0.3s ease-in-out;
}

.icon img {
    width: 150px;
    height: 150px;
    object-fit: cover;
    transition: transform 0.3s ease-in-out;
}

.icon:hover img {
    transform: scale(1.1);
}

.icon:hover {
    transform: translateY(-10px);
}

.image-container {
    text-align: center; /* 确保文字居中 */
    max-width: 100%; /* 让容器宽度自动适应父元素 */
}

.image-container img {
    width: 60%; /* 让图片尽量撑满一行 */
    height: auto; /* 保持图片的纵横比 */
}

.image-description {
    margin-top: 10px; /* 增加图片与文字的间距 */
    font-size: 24px; /* 根据需要调整文字大小 */
    color: #330000;
}

.read-more-button {
    position: absolute; /* 使按钮相对于父元素定位 */
    bottom: 15vh; /* 距离底部20px */
    right: 4vh; /* 距离右侧20px */
    padding: 10px 20px; /* 按钮内边距 */
    background-color: #6abff1; /* 按钮背景色 */
    color: #330000; /* 按钮文字颜色 */
    border-radius: 25px; /* 圆角 */
    text-decoration: none; /* 去掉下划线 */
    font-family: Lucida Sans; /* 字体 */
    font-size: 18px; /* 字体大小 */
    transition: background-color 0.3s ease; /* 背景色变化过渡效果 */
}

.read-more-button:hover {
    background-color: #89d7fd; /* 悬停时的背景色 */
    color:#feefce;
}

.space-free {
    height: 25vh;
    width: auto;
}