:root {
    --mainColor: #aa0e40;
    --maxWidth: 1600px
}



/* 滚动条整体样式 */
::-webkit-scrollbar {
    width: 5px; /* 纵向滚动条宽度 */
    height: 5px;
}

/* 滚动条轨道（背景） */
::-webkit-scrollbar-track {
    background: transparent; 
    /* border-radius: 10px; */
}

/* 滚动条滑块（可拖动部分） */
::-webkit-scrollbar-thumb {
    background: var(--mainColor); 
    /* border-radius: 5px; */
}

/* 滑块在悬停时的颜色 */
/* ::-webkit-scrollbar-thumb:hover {
    background: #0000007a; 
} */




@font-face {
    font-family: "CircularStd";
    src:url("CircularStd-Book.ttf");
    
}

@font-face {
    font-family: "ZallmanCaps";
    src: url("ZallmanCaps.ttf");
}

@font-face {
    font-family: "ZallmanCaps2";
    src: url("ZallmanCaps.ttf");
    size-adjust: 180%;
}

@font-face {
    font-family: "BlackNory";
    src: url("BlackNory-Regular.ttf");
}



* {
    /* border: 1px solid black; */
    font-family: "CircularStd";
    font-weight: 500;
    color: var(--mainColor);
    /* color: black; */
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
}




body {
    background-color: rgb(255, 255, 255);
    overflow-x: hidden;
    user-select: none;
    opacity: 1;

    display: flex;
    flex-direction: column;
    align-items: center;
}


a {
    text-decoration: none;
}



h1 {
    font-weight: 900;
    font-size: 50px;
}


h2 {
    font-size: 30px;
    margin: 10px;
    white-space: nowrap;
}



section {
    /* border: 1px solid black; */
    padding: 60px 0;
    height: 100vh;
    max-width: var(--maxWidth);
}



.main {
    width: 100%;
    height: 100%;
    /* max-width: var(--maxWidth); */
    /* opacity: 0; */


    display: flex;
    flex-direction: column;
    align-items: center;
}








nav {
    position: fixed;
    width: 100%;
    height: 50px;
    max-width: var(--maxWidth);
    padding:10px;
    padding-left: 30px;
    padding-right: 30px;
    z-index: 10;
    pointer-events: none;

    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
}



.upTitleLink {
    padding-left:10px;
    padding-right:10px;
    font-size: 15px;

    pointer-events: auto;
    transition: font-size 0.3s cubic-bezier(0.8, 0, 0.2, 1);
}

.upTitleLink:hover {
    font-size: 20px;
    transition-duration: 0.3s;
}


.upTitleLink.active {
    font-size: 25px;
    transition-duration: 1s;
}


@media screen and (max-width: 520px) {
    /* .upTitleText {
        font-size: 15px;
    } */
    nav a {
        font-size: 12px;
    }
}