* {
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 20px;
}

/*region导航*/
body {
    /* min-height: 500vh; */
}

header {
    position: sticky;
    top: 0;
    z-index: 100;

}

.nav-container .container {
    height: 80px;
    background-image: radial-gradient(ellipse at left, rgba(88, 159, 125), rgba(88, 159, 125), rgba(88, 159, 125));

}

.menu-active1 {
    display: flex;
    margin-right: 25px;
    margin-top: 20px;
}

.logo .brand {
    position: absolute;
    margin: 15px 100px;
}

.menu-list {
    border-radius: 10px;
    width: 200px;
    height: 40px;
    text-align: center;
    line-height: 34px;
    transition: 3s;
    cursor: pointer;

}

.menu-list:hover {
    background-color: #589F7D;

}

.menu-list li:hover {
    background-color: #6fd3a3;
}

.menu-list li {
    height: 0;
    transition: 1s;
    opacity: 0;
    transform: translateY(-36px);
    background-color: #589F7D;
}

.menu-list li:last-child {
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
    padding-bottom: 5px;
}

.menu-list:hover li {
    height: 34px;
    opacity: 1;
    transform: translateY(0);
}

header .mobile-menu {
    display: none;
}

/*endregion导航*/
.Intermediate-content {
    padding: 0
}

.content-row-list {
    width: 100%;
}

.content-row-list>.row-cols-1 {
    display: flex;
    background: #C9E4D4;
}

.content-row-list>.row-cols-1>.content-col-4 {
    width: 33.33%;
}

.content-row-list>.row-cols-1>.content-col-4>img {
    width: 80%;
}

.content-row-list>.row-cols-1>.content-col-4-h1 {
    width: 33.33%;
    margin-top: auto;
    margin-bottom: auto
}

.content-row-list>.row-cols-1>.content-col-4-h1>h1 {
    color: var(--text-title);
    text-transform: uppercase;
    font-weight: bolder;
    text-align: center;
    font-size: 2.5rem;
    color: #6bd898;
}

#back-to-top-button {
    display: none;
    /* 默认情况下隐藏图片 */
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 99;
    cursor: pointer;
}

/*region标题*/
.section {
    position: relative;
    width: 100%;
    height: 70vh;
    justify-content: center;
    align-items: center;
    display: flex;
    overflow: hidden;
}

.section::before {
    content: '';
    position: absolute;
    width: 100vh;
    height: 20vh;
    left: 50%;
    background: #E2F0E8;
    border-radius: 50%;
    transform: translateX(-50%)scale(4);
    transform-origin: bottom;
    z-index: -10;
    padding: 20vh 0;
}

.section.title1 {
    position: relative;
    z-index: 1;
    text-align: center;
}

p {
    color: #589F7D;
    font-family: 'CROSS';
    font-size: 120pt;
}


@font-face {
    font-family: CROSS;
    src: url(crossedout-1gxje.ttf);
}

/*endregion标题*/

/*region侧栏*/
@font-face {
    font-family: school;
    src: url(animekidspersonaluse-p7yzd.otf);
}

.contain-list {
    width: 20%;
    height: 40vh; 
    background-color: rgb(255, 255, 255);
    position: sticky; 
    top: 80px;
}

.left-list {
    text-align: right;
    padding-right: 10%;
    border-right: 3px solid black;
    margin-top: 10pt;

}

.left-list h1 {
    font-weight: 700;
    line-height: 50pt;

}
.left-list h1 a{
    font-size: 17pt;
}
.left-list h1 a:hover{
    color:#6fd3a3;
    }

/*endregion侧栏*/


/*region内容*/
.contain-list1 {
    width: 75%;
    /* height: 330vh; */
    background-color: rgb(255, 255, 255);
    /* margin-right: 30pt; */
    margin: 0 auto;
}

.contain-list1 .right-list h2 {
    font-weight: 700;
}

.contain-list1 .right-list p {
    font-size: 24px;
    line-height: 1.5;
    color: black;
    text-indent: 2em;
}

.indent-first-line {
    text-indent: 2em;
}

@font-face {
    font-family: spooky;
    src: url(spookywebbie-lgvxx.ttf);
}

.right-list h2 {
    font-family: 'spooky';
    font-size: 22pt;
    line-height: 50pt;
    text-align: center;
    margin-top: 50pt;
}

.right-list h3 {
    text-align: justify;

    font-size: 17pt;
}

img {
    margin: 0 auto;
}

.left-list a {
    color: black;
    font-size: 20pt;
}

.right-list h2:first-of-type {
    margin-top: 10pt;
}

/*region内容*/
/*footer*/
footer {
    background-color: #589F7D;
}

.fbox {
    width: 1200px;
    margin: 0 auto;
    display: flex;
}

.fleft {
    flex: 30%;
}

.frihgt {
    flex: 70%;
}

.pics {
    display: flex;
}

.pitem {
    flex: 1;
    padding-left: 50px;
    margin: 20px 0;
}

/*endfooter*/