:root {
    --g-bg: linear-gradient(90deg, #fffaff, #daeefd);
    --g-bg2: linear-gradient(0deg, #eae7f1, #eef4fe, transparent);
    --s-box-1: 3px 3px 7px 0px #66666644;
    --s-box: 3px 3px 7px -2px #00000099;
    /* 主阴影 */
    --s-box1: 4px 4px 20px -10px #000000;
    --s-txt: 1px 1px 2px #ffffff;
}

.dark-theme {
    --g-bg: linear-gradient(90deg, #2a0722, #052a44);
    --g-bg2: linear-gradient(0deg, #1d1f45, #0e0e31, transparent);
    --s-box-1: 3px 3px 7px 0px #cccccc44;
    --s-box: 3px 3px 7px -2px #ffffff99;
    --s-box1: 4px 4px 20px -10px #ffffff;
    --s-txt: 1px 1px 1px #000000;
}

body {
    background: var(--g-bg);
}
a {
    text-decoration: none;
    color: var(--txt6);
    cursor: pointer;
    display: inline-block;
}

a:hover {
    color: var(--txt9);
}

.icon_theme {
    width: 3em;
    height: 3em;
    display: block;
    background-image: url("data:image/svg+xml;base64,PHN2ZyB2aWV3Qm94PSIwIDAgMTAyNCAxMDI0IiB2ZXJzaW9uPSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjxwYXRoIGQ9Ik01MjggNDk2bTE0NSAzNzdhNDAzIDQwMyAwIDEgMC0yODktNzUzIDQwMyA0MDMgMCAxIDAgMjg5IDc1M1oiIGZpbGw9IiMxMjk2ZGIiPjwvcGF0aD48cGF0aCBkPSJNNDE5IDczMmMtMzItODItMi0xNTkgODgtMjMxIDkwLTY5IDExOC0xNDggODQtMjM2LTMwLTc4LTkwLTExOS0xODAtMTIyQzU5OSA4MSA4MDQgMTc3IDg3NSAzNjNjNzQgMTkyLTIyIDQwNy0yMTQgNDgxLTI1IDEwLTUxIDE3LTc3IDIxLTgxLTE0LTEzNi01OC0xNjUtMTMzeiIgZmlsbD0iI0ZGRkZGRiI+PC9wYXRoPjwvc3ZnPg==");
}

.icon_scroll {
    width: 3em;
    height: 3em;
    display: block;
    background-image: url("data:image/svg+xml;base64,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");
}

.bg2 {
    position: fixed;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    background: var(--g-bg2);
    z-index: -1;
}

.header_pcmenu {
    padding: 0 1.5em;
    font-weight: bolder;
    cursor: pointer;
    white-space: nowrap;
    line-height: 2.5em;
}

.header_pcmenu.active {
    color: var(--man5);
}

#id_pc_nav.top nav {
    top: 0;
    background: var(--bg1) !important;
    width: 100%;
    z-index: 100;
    box-shadow: var(--s-box-1);
    position: fixed;
    border-top: none !important;
}

#id_pc_nav.top .navh {
    height: 4em;
}

#id_mb_menu.show {
    opacity: 1 !important;
    visibility: visible !important;
}

#id_mb_menu.show>div {
    margin-left: 0 !important;
}

.mb_menuch2 {
    display: none;
    margin: 1em 0 1.5em 1em;
    transition: none;
}

.mb_menuch2>li {
    padding: 1.2em 0;
    color: var(--txt3);
    min-width: 50%;
    float: left;
    white-space: nowrap;
}

.header_mbmenu>div {
    border-top: 1px solid var(--bg2);
    padding: 0.8em 0;
}

.header_mbmenu>div>a {
    color: var(--txt2);
    font-weight: bolder;
    display: block;
}

.header_mbmenu>div:last-child {
    border-bottom: 1px solid var(--bg2);
}

.aniup, .anibig {
    transition: .5s;
}

.aniup:hover {
    transform: translateY(-2px);
}

.anibig:hover {
    transform: scale(1.05);
}