/* 全局样式 */




/* 页眉样式 */
.header {
    background-color: #000;
    color: #fff;
}
.header-gradient {
    background: linear-gradient(135deg,rgb(74,234,220) 0%,rgb(151,120,209) 20%,rgb(207,42,186) 40%,rgb(238,44,130) 60%,rgb(251,105,98) 80%,rgb(254,248,76) 100%);
    height: 4px;
}
.header .logo {
    height: 44px;
}
.header .active .nav-link {
    color: #22D3EE !important;
    border-bottom: #22D3EE 1px solid;
}




/* 页脚样式 */
.footer {
    background-color: #000;
    color: #fff;
}
.footer-gradient {
    background: linear-gradient(135deg,rgb(74,234,220) 0%,rgb(151,120,209) 20%,rgb(207,42,186) 40%,rgb(238,44,130) 60%,rgb(251,105,98) 80%,rgb(254,248,76) 100%);
    height: 4px;
}
.footer .logo {
    height: 44px;
}
.footer .sitemap-title {
    position: relative;
    padding-bottom: 10px;
}
.footer .sitemap-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50%;
    height: 2px; /* 边框粗细 */
    background-color: #ffffff; /* 边框颜色 */
}




/* 工具样式 */
.title_underline {
    position: relative;
    line-height: 1.7;
}
.title_underline::after {
    content: "";
    display: block;
    width: 300px;
    border-bottom: 3px solid black;
}
.mx-auto::after{
    margin: 0 auto;
}