* {
    margin: 0;
    padding: 0;
}

/* For Internet Explorer, Edge */
html,
body,
.main {
    -ms-overflow-style: none;
    /* IE and Edge */
}

/* For Firefox */
html,
body,
.main {
    scrollbar-width: none;
    /* Firefox */
}

/* For Chrome, Safari and Opera */
html::-webkit-scrollbar,
body::-webkit-scrollbar,
.main::-webkit-scrollbar {
    display: none;
    /* Chrome, Safari and Opera */
}

a {
    text-decoration: none; /* 去除下划线 */
    color: inherit; /* 继承父元素的颜色 */
}

@font-face {
    font-family: HiraMinProN;
    src: url('../font/HiraMinProN.otf');
}

body {
    overflow: hidden;
}

@keyframes RandomHeightAnimation {
    0% {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 100%, 0 100%);
    }

    20% {
        clip-path: polygon(0 0, 100% 0, 100% 70%, 50% 100%, 0 100%);
    }

    50% {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 60%, 0 100%);
    }

    70% {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 80%, 0 70%);
    }

    100% {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 100%, 0 100%);
    }
}

@keyframes TToBAnimation {
    0% {
        opacity: 0;
        transform: translateY(-20px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}


.mainContent_header {
    display: flex;
    width: 1920px;
    height: 180px;
    align-items: center;
    justify-content: space-between;
    padding: 0 240px;
    box-sizing: border-box;
}

.mainContent_header_Logo {
    width: 381px;
    height: 80px;
    animation: 1s TToBAnimation linear forwards;
}

.mainContent_header_Logo img {
    width: 381px;
    height: 80px;
    object-fit: contain;
}

.mainContent_header_tabList {
    display: flex;
    align-items: center;
}

.mainContent_header_tab {
    width: 180px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 28px;
    margin: 0 20px;
    animation: 1s TToBAnimation linear forwards;
    cursor: pointer;
}

.mainContent_header_tab:nth-of-type(2) {
    background-color: rgba(6, 255, 206, 1);
}

.mainContent_header_tab span {
    font-family: HiraMinProN;
    font-weight: normal;
    font-size: 24px;
    color: #002B39;
    line-height: 36px;
    text-align: center;
    font-style: normal;
}


.mainContent_1_bgIconList {
    position: absolute;
    top: 0;
    left: 0;
    height: 1080px;
    width: 1920px;
    background-color: #F8FFFD;
    pointer-events: none;
    z-index: -1;
    filter: blur(14px);
}

.mainContent_1_bgIcon {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 1920px;
    height: 100px;
    background: linear-gradient(180deg, #15efddb3, #DDFEFB);
    animation: RandomHeightAnimation 10s linear infinite;
}


.mainContent_1_content {
    margin: 8px auto 0;
    width: 1800px;
    display: flex;
    flex-direction: column;
    height: 750px;
}

.mainContent_1_content span {
    font-family: HiraMinProN;
    font-weight: normal;
    font-size: 50px;
    color: #002B39;
    line-height: 70px;
    font-style: normal;
    margin-bottom: 40px;
    transition: 500ms;
}

.mainContent_1_text_2 {
    margin: 30px auto 0;
    width: 1920px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.mainContent_1_text_2 span {
    font-family: Roboto, Roboto;
    font-weight: bold;
    font-size: 20px;
    color: #23372B;
    line-height: 24px;
    text-align: center;
    font-style: normal;
    z-index: 2;
}

.mainContent_1_text_2 i {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 1920px;
    height: 100px;
    filter: blur(20px);
    transform: rotate(180deg);
}

.mainContent_1_text_2 i::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 1920px;
    height: 100px;
    background: linear-gradient(180deg, #15efddb3, #DDFEFB);
    animation: RandomHeightAnimation 10s linear infinite;
}