.attributions {
    padding-top: 80px;
    width: 100%;
    height: auto;
    box-sizing: border-box;
    background-color: #efebec;
}

.banner {
    width: 100vw;
    height: auto;
    background-image: url('https://static.igem.wiki/teams/5858/images/template/bigbanner-v2.webp');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    min-height: 90vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.banner-text {
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Arima Madurai';
    color: #fff;
    white-space: nowrap;
    max-width: 100vw;
    overflow: hidden;
    transform-origin: center;
}

.banner-text h1 {
    font-size: clamp(2rem, 10vw, 10em);
    margin: 0;
    padding: 0;
}

.banner-text img {
    width: clamp(2rem, 10vw, 10em);
    height: auto;
    flex-shrink: 1;
    min-width: 4vw;
}
.main {
    padding: 70px 60px 50vh 40px;
    width: 100vw;
    display: flex;
    background-color: #efebec;
    min-height: calc(100vh - 302px);
    /* 减去banner高度 */
    
}
.paper {
    flex: 1;
    /* background-image: url('https://static.igem.wiki/teams/5858/images/template/template-paper.webp');
    background-size: contain;
    background-repeat: repeat;
    background-position: top left; */
    background-color: #f0e7d8;
    border-radius: 40px;
    padding-top: 40px;
    padding-left: 80px;
    padding-right: 80px;
    padding-bottom: 20px;
    margin: 50px 50px 20vw 50px;
}
.paper-content {
    z-index: 1;
    min-height: 100%;
    overflow: hidden;
    padding: 20px;

}
.back-to-top-btn {
    position: fixed;
    bottom: 10px;
    right: 10px;
    z-index: 999;
    width: 7vw;
    height: 7vw;
    background-image: url('https://static.igem.wiki/teams/5858/images/template/back-to-top-botton.webp');
    background-size: contain;
    background-repeat: no-repeat;
    background-color: transparent;
    max-height: 70px;
    max-width: 70px;
    border: none;
    cursor: pointer;
    outline: none;
    transition: transform 0.1s ease-in-out, filter 0.2s ease-in-out;
}

.back-to-top-btn:hover {
    filter: brightness(80%);
    transform: scale(1.1);
}

.back-to-top-btn:active {
    transform: scale(0.8);
    filter: brightness(70%);
}