/* 下拉菜单 */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    white-space: nowrap;
}

    .dropdown-toggle:after {
        display: inline-block;
        margin-left: 0.255em;
        vertical-align: 0.255em;
        content: "";
        border-top: 0.3em solid;
        border-right: 0.3em solid transparent;
        border-bottom: 0;
        border-left: 0.3em solid transparent;
    }

    .dropdown-toggle:empty:after {
        margin-left: 0;
    }

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 1031;
    display: none;
    float: left;
    min-width: 10rem;
    padding: 0.5rem 0;
    margin: 0.125rem 0 0;
    font-size: 1rem;
    color: #202020;
    text-align: left;
    list-style: none;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: 0.25rem;
}

    .dropdown-menu.show {
        display: block;
    }

.dropdown-item {
    display: block;
    width: 100%;
    padding: 0.25rem 1.5rem;
    clear: both;
    font-weight: 400;
    color: #141414;
    text-align: inherit;
    white-space: nowrap;
    background-color: transparent;
    border: 0;
    border-top-right-radius: 15px;
    border-end-end-radius: 5px;
}

    .dropdown-item:hover {
        color: #070707;
        text-decoration: none;
        background-image: linear-gradient(45deg, #ffa000, #F37723);
    }

    .dropdown-item:focus {
        text-decoration: none;
        background-color: #f2f2f2;
    }

    .dropdown-item.active,
    .dropdown-item:active {
        color: #fff;
        text-decoration: none;
        background-color: #ffa000;
    }

/* 导航栏 */
.nav {
    display: flex;
    flex-wrap: wrap;
    padding-left: 0;
    margin-bottom: 0;
    list-style: none;
}

.nav-link {
    display: block;
    padding: 0.5rem 1rem;
}

    .nav-link:hover,
    .nav-link:focus {
        text-decoration: none;
    }

.navbar {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 1rem;
}

    .navbar .container {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
    }

.navbar-brand {
    display: inline-block;
    padding-top: 0.31875rem;
    padding-bottom: 0.31875rem;
    margin-right: 1rem;
    font-size: 1.25rem;
    line-height: inherit;
    white-space: nowrap;
}

    .navbar-brand:hover,
    .navbar-brand:focus {
        text-decoration: none;
    }

.navbar-nav {
    display: flex;
    flex-direction: column;
    padding-left: 0;
    margin-bottom: 0;
    list-style: none;
    justify-content: space-between;
}

    .navbar-nav .nav-link {
        padding-right: 0;
        padding-left: 0;
    }

    .navbar-nav .dropdown-menu {
        position: static;
        float: none;
    }

.navbar-collapse {
    flex-basis: 100%;
    flex-grow: 1;
    align-items: center;
}

@media (max-width: 767.98px) {
    .navbar-expand-md > .container {
        padding-right: 0;
        padding-left: 0;
    }
}

@media (min-width: 768px) {
    .navbar-expand-md {
        flex-flow: row nowrap;
        justify-content: flex-start;
    }

        .navbar-expand-md .navbar-nav {
            flex-direction: row;
        }

            .navbar-expand-md .navbar-nav .dropdown-menu {
                position: absolute;
            }

            .navbar-expand-md .navbar-nav .nav-link {
                padding-right: 0.5rem;
                padding-left: 0.5rem;
            }

        .navbar-expand-md > .container {
            flex-wrap: nowrap;
        }

        .navbar-expand-md .navbar-collapse {
            display: flex !important;
            flex-basis: auto;
        }
}

/*.navbar-light .navbar-brand {
    color: #1b1b1b;
}

    .navbar-light .navbar-brand:hover,
    .navbar-light .navbar-brand:focus {
        color: #1b1b1b;
    }

.navbar-light .navbar-nav .nav-link {
    color: #202020;
}

    .navbar-light .navbar-nav .nav-link:hover,
    .navbar-light .navbar-nav .nav-link:focus {
        color: #303030;
    }

    .navbar-light .navbar-nav .active > .nav-link,
    .navbar-light .navbar-nav .nav-link.active,
    .navbar-light .navbar-nav .nav-link.show,
    .navbar-light .navbar-nav .show > .nav-link {
        color: #1b1b1b;
    }

.navbar-dark .navbar-brand,
.navbar-dark .navbar-brand:hover,
.navbar-dark .navbar-brand:focus {
    color: #fff;
}

.navbar-dark .navbar-nav .nav-link {
    color: #fff;
}

    .navbar-dark .navbar-nav .nav-link:hover,
    .navbar-dark .navbar-nav .nav-link:focus {
        color: #ffa000;
    }

    .navbar-dark .navbar-nav .active > .nav-link,
    .navbar-dark .navbar-nav .nav-link.active,
    .navbar-dark .navbar-nav .nav-link.show,
    .navbar-dark .navbar-nav .show > .nav-link {
        color: #ffa000;
    }
*/
/* 卡片 */
.card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    word-wrap: break-word;
    background-color: #fff;
    background-clip: border-box;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 0;
}

.card-body {
    flex: 1 1 auto;
    min-height: 1px;
    padding: 1.5rem;
}

.card-header {
    padding: 1.5rem;
    margin-bottom: 0;
    background-color: #fff;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

    .card-header:first-child {
        border-radius: -1px -1px 0 0;
    }

.card-footer {
    padding: 1.5rem;
    background-color: #fff;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

    .card-footer:last-child {
        border-radius: 0 0 -1px -1px;
    }

/* 辅助类 */
.clearfix:after {
    display: block;
    clear: both;
    content: "";
}

.d-none {
    display: none !important;
}

.d-inline-block {
    display: inline-block !important;
}

.d-block {
    display: block !important;
}

.d-flex {
    display: flex !important;
}

@media (min-width: 768px) {
    .d-md-none {
        display: none !important;
    }

    .d-md-inline {
        display: inline !important;
    }

    .d-md-inline-block {
        display: inline-block !important;
    }

    .d-md-block {
        display: block !important;
    }
}

@media (min-width: 992px) {
    .d-lg-inline {
        display: inline !important;
    }

    .d-lg-block {
        display: block !important;
    }
}

@media (min-width: 1200px) {
    .d-xl-inline {
        display: inline !important;
    }
}

.flex-row {
    flex-direction: row !important;
}

.flex-column {
    flex-direction: column !important;
}

.flex-wrap {
    flex-wrap: wrap !important;
}

.flex-grow-1 {
    flex-grow: 1 !important;
}

.flex-shrink-1 {
    flex-shrink: 1 !important;
}

.justify-content-start {
    justify-content: flex-start !important;
}

.justify-content-end {
    justify-content: flex-end !important;
}

.justify-content-center {
    justify-content: center !important;
}

.justify-content-between {
    justify-content: space-between !important;
}

.align-items-center {
    align-items: center !important;
}

.align-self-end {
    align-self: flex-end !important;
}

.align-self-center {
    align-self: center !important;
}

.align-self-stretch {
    align-self: stretch !important;
}

@media (min-width: 768px) {
    .flex-md-row {
        flex-direction: row !important;
    }

    .justify-content-md-center {
        justify-content: center !important;
    }
}

.float-left {
    float: left !important;
}

.float-right {
    float: right !important;
}

@media (min-width: 768px) {
    .float-md-left {
        float: left !important;
    }

    .float-md-right {
        float: right !important;
    }
}

@media (min-width: 1200px) {
    .float-xl-right {
        float: right !important;
    }
}

.position-relative {
    position: relative !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.w-100 {
    width: 100% !important;
}

.mr-auto,
.mx-auto {
    margin-right: auto !important;
}

.mx-auto {
    margin-left: auto !important;
}

.text-left {
    text-align: left !important;
}

.text-right {
    text-align: right !important;
}

.text-center {
    text-align: center !important;
}

@media (min-width: 768px) {
    .text-md-right {
        text-align: right !important;
    }
}

@media (min-width: 992px) {
    .text-lg-right {
        text-align: right !important;
    }
}

.text-uppercase {
    text-transform: uppercase !important;
}

.text-white {
    color: #fff !important;
}

.text-primary {
    color: #ffa000 !important;
}

.text-muted {
    color: #a5a5a5 !important;
}

.visible {
    visibility: visible !important;
}

.invisible {
    visibility: hidden !important;
}

/* 字体图标相关 */
.fa,
.fas {
    font-family: "Font Awesome 5 Pro";
    font-weight: 900;
}

.fab {
    font-family: "Font Awesome 5 Brands";
    font-weight: 400;
}

.fa,
.fab,
.fas {
    -moz-osx-font-smoothing: grayscale;
    -webkit-font-smoothing: antialiased;
    display: inline-block;
    font-style: normal;
    font-variant: normal;
    text-rendering: auto;
    line-height: 1;
}

.fa-ellipsis-v:before {
    content: "\f142";
}

.fa-sync-alt:before {
    content: "\f2f1";
}

.fa-compress:before {
    content: "\f066";
}

.fa-compress-alt:before {
    content: "\f422";
}

.fa-browser:before {
    content: "\f37e";
}

.fa-file-archive:before {
    content: "\f1c6";
}

.fa-cubes:before {
    content: "\f1b3";
}

.fa-robot:before {
    content: "\f544";
}

.fa-book:before {
    content: "\f02d";
}

/* 自定义 header 样式 */
.header-navbar {
    font-family: Open Sans, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    min-height: 4.75rem;
    padding: 0;
    transition: all 0.3s ease;
}

    .header-navbar .navbar-wrapper {
        width: 100%;
    }

    .header-navbar.navbar-shadow {
        box-shadow: 2px 4px 20px -4px rgba(0, 0, 0, 0.1);
    }

    .header-navbar.navbar-without-dd-arrow .nav-link.dropdown-toggle:after {
        display: none;
    }

    .header-navbar.navbar-brand-center .navbar-header {
        position: absolute;
        top: 0;
        left: 50%;
        transform: translate(-50%);
        margin: 0;
        padding: 0;
        width: 150px;
        z-index: 999;
    }

    .header-navbar .navbar-header {
        float: left;
        position: relative;
        width: 260px;
        height: 4.75rem;
        padding: 0 1rem;
        transition: all 0.3s ease;
    }

        .header-navbar .navbar-header .navbar-brand {
            padding: 15px 0;
            margin-right: 0;
        }

            .header-navbar .navbar-header .navbar-brand .brand-logo {
                vertical-align: sub;
            }

            .header-navbar .navbar-header .navbar-brand .brand-text {
                display: inline;
                padding-left: 10px;
                font-weight: 500;
                letter-spacing: 1px;
            }

    .header-navbar .navbar-container {
        padding: 0 18px;
        background: inherit;
        transition: all 0.3s ease;
    }

        .header-navbar .navbar-container ul.nav li > a.nav-link {
            padding: 1.4rem 0.6rem;
        }

        .header-navbar .navbar-container ul.nav li a.dropdown-user-link {
            padding: 0.9rem 0.6rem;
        }

            .header-navbar .navbar-container ul.nav li a.dropdown-user-link .user-name {
                display: inline-block;
                margin-bottom: 0.4rem;
                margin-left: 0.2rem;
            }

        .header-navbar .navbar-container ul.nav li a.menu-toggle {
            padding: 1.1rem 0.8rem 1rem 1rem;
        }

            .header-navbar .navbar-container ul.nav li a.menu-toggle i {
                font-size: 1.6rem;
            }

        .header-navbar .navbar-container ul.nav li a.dropdown-user-link .avatar {
            margin-right: 0.5rem;
        }

        .header-navbar .navbar-container ul.nav li div.input-group {
            padding: 0.7rem 1rem;
        }

    .header-navbar .nav-item + .nav-item {
        margin-left: 3px;
    }

@media (max-width: 767.98px) {
    .header-navbar .navbar-header {
        position: relative;
        width: 100% !important;
        padding: 0.5rem 1rem;
    }

        .header-navbar .navbar-header .menu-toggle {
            position: relative;
            top: 2px;
        }

        .header-navbar .navbar-header .open-navbar-container i {
            font-size: 1.8rem;
        }

        .header-navbar .navbar-header .navbar-brand {
            position: absolute;
            top: 0;
            left: 50%;
            transform: translate(-50%);
        }

    .header-navbar.navbar-with-menu .navbar-container {
        display: table;
        width: 100%;
        height: auto;
        margin: 0;
        padding: 0 1rem;
        /*background: #fff;*/
    }
}

@media (max-width: 991.98px) {
    [data-menu="vertical-menu-modern"] .header-navbar .navbar-header {
        position: relative;
        width: 100% !important;
        padding: 0.5rem 1rem;
    }

        [data-menu="vertical-menu-modern"] .header-navbar .navbar-header .menu-toggle {
            position: relative;
            top: 2px;
        }

        [data-menu="vertical-menu-modern"]
        .header-navbar
        .navbar-header
        .open-navbar-container
        i {
            font-size: 1.8rem;
        }

        [data-menu="vertical-menu-modern"] .header-navbar .navbar-header .navbar-brand {
            position: absolute;
            top: 0;
            left: 50%;
            transform: translate(-50%);
        }

    [data-menu="vertical-menu-modern"]
    .header-navbar.navbar-with-menu
    .navbar-container {
        display: table;
        width: 100%;
        height: auto;
        margin: 0;
        padding: 0 1rem;
        background: #fff;
    }

    [data-menu="vertical-menu-modern"] .navbar-dark .navbar-header .navbar-nav .nav-link {
        color: #fff;
    }

    [data-menu="vertical-menu-modern"]
    .navbar-dark
    .navbar-container
    .navbar-nav
    .nav-link,
    [data-menu="vertical-menu-modern"]
    .navbar-light
    .navbar-header
    .navbar-nav
    .nav-link {
        color: #202020;
    }
}

/*.navbar-light,
.navbar-light.navbar-horizontal {
    background: #fff;
}

    .navbar-light .navbar-nav li {
        line-height: 1;
    }

    .navbar-light .navbar-nav .active.nav-link {
        background-color: rgba(0, 0, 0, 0.03);
    }

.navbar-dark {
    background: #202020;
}

    .navbar-dark .navbar-brand {
        color: #fff !important;
    }

    .navbar-dark.navbar-horizontal {
        background: #202020;
    }

    .navbar-dark .navbar-nav li {
        line-height: 1;
    }

    .navbar-dark .navbar-nav .active.nav-link {
        background-color: hsla(0, 0%, 100%, 0.05);
    }
*/
/* 大下拉菜单 */
.mega-dropdown {
    position: static !important;
}

    .mega-dropdown .dropdown-menu {
        display: flex;
    }

.navbar-nav .mega-dropdown-menu,
.navigation-main .mega-dropdown-menu {
    font-family: Open Sans, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    width: calc(100% - 50px);
    margin: 0 25px;
    padding: 0.5rem 0;
    z-index: 9999;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

    .navbar-nav .mega-dropdown-menu ul,
    .navigation-main .mega-dropdown-menu ul {
        margin: 0;
        padding: 0;
    }

        .navbar-nav .mega-dropdown-menu ul li,
        .navigation-main .mega-dropdown-menu ul li {
            list-style: none;
        }

            .navbar-nav .mega-dropdown-menu ul li a,
            .navigation-main .mega-dropdown-menu ul li a {
                display: block;
                color: #1b1b1b;
            }

                .navbar-nav .mega-dropdown-menu ul li a .children-in,
                .navigation-main .mega-dropdown-menu ul li a .children-in {
                    float: right;
                }

                .navbar-nav .mega-dropdown-menu ul li a:hover,
                .navigation-main .mega-dropdown-menu ul li a:hover,
                .navbar-nav .mega-dropdown-menu ul li a:focus,
                .navigation-main .mega-dropdown-menu ul li a:focus {
                    color: #202020;
                    text-decoration: none;
                }

        .navbar-nav .mega-dropdown-menu ul a.dropdown-item,
        .navigation-main .mega-dropdown-menu ul a.dropdown-item {
            padding: 10px;
        }

    .navbar-nav .mega-dropdown-menu .dropdown-menu-header,
    .navigation-main .mega-dropdown-menu .dropdown-menu-header {
        padding: 0.5rem 0;
        border-bottom: 1px solid #e6e6e6;
    }

@media (min-width: 576px) {
    .container .mega-dropdown-menu {
        max-width: 490px;
        margin: 0 calc(50% - 245px);
    }
}

@media (min-width: 768px) {
    .container .mega-dropdown-menu {
        max-width: 670px;
        margin: 0 calc(50% - 335px);
    }
}

@media (min-width: 992px) {
    .container .mega-dropdown-menu {
        max-width: 910px;
        margin: 0 calc(50% - 455px);
    }
}

@media (min-width: 1200px) {
    .container .mega-dropdown-menu {
        max-width: 1090px;
        margin: 0 calc(50% - 545px);
    }
}

/* 头部样式补充 */
.bg-gradient-navbar {
    background-image: linear-gradient(0deg, #000000, #000000);
    background-repeat: repeat-x;
}

.header-navbar {
    font-family: Open Sans, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.navbar-nav .nav-item {
    font-weight: 600;
}

.header-navbar .navbar-container ul.nav li > a.nav-link {
    padding: 1.8rem 0.8rem;
}

.header-navbar .navbar-container ul.nav li a.menu-toggle {
    padding: 1.3rem 0.8rem 1rem 1rem;
}

.header-navbar .navbar-header .navbar-brand {
    margin-right: 0;
    padding: 1.4rem 0;
}

@media (max-width: 767.98px) {
    .header-navbar .navbar-header .menu-toggle,
    .header-navbar .navbar-nav .open-navbar-container {
        padding-top: 0.8rem;
    }
}

.brand-logo {
    width: auto;
    height: 45px;
    margin-top: -5px;
    vertical-align: middle !important;
}

.brand-text {
    font-family: Open Sans, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 1.5rem;
}

.navbar {
    border-radius: 0;
}

.header-navbar .navbar-container ul.nav li a.dropdown-user-link .avatar {
    margin-top: -8px;
    margin-bottom: -8px;
    vertical-align: middle;
}

.header-navbar .navbar-container ul.nav li a.dropdown-user-link .user-name {
    margin-bottom: 0;
}

.header-navbar.navbar-shadow {
    box-shadow: 0 2px 2px rgba(0, 0, 0, 0.03), 0 1px 0 rgba(0, 0, 0, 0.03);
}

@media (max-width: 767.98px) {
    .header-navbar .navbar-nav .show {
        position: static;
    }

    .header-navbar .navbar-nav .open-navbar-container {
        padding-top: 0.625rem;
    }

    .header-navbar .navbar-container .show .dropdown-menu {
        position: absolute;
        left: 0 !important;
        right: 0;
        float: none;
        width: auto;
        margin-top: 0;
        overflow-x: hidden;
        overflow-y: scroll;
        max-height: 400px;
    }

    .header-navbar .navbar-container ul.nav li.nav-item i {
        margin-right: 0.2rem;
    }

    .header-navbar .navbar-container ul.nav li > a.nav-link {
        padding: 1.2rem 0.4rem;
    }

    .header-navbar .navbar-container ul.nav li a.dropdown-user-link {
        padding: 0.8rem 0.6rem;
    }

    .header-navbar .navbar-container ul.nav li .dropdown-toggle:after {
        margin-right: 0;
        margin-left: -2px;
    }

/*    .navbar-dark .navbar-header .navbar-nav .nav-link {
        color: #fff;
    }

        .navbar-dark .navbar-container .navbar-nav .nav-link,
    .navbar-light .navbar-container .navbar-nav .nav-link,
    .navbar-light .navbar-header .navbar-nav .nav-link {
        color: #202020;
    }*/
}

@media (max-width: 1199.98px) {
    /*    .header-navbar .navbar-container ul.nav li > a.nav-link {
        padding: 1.4rem 0.4rem 0.8rem;
    }*/

    .header-navbar .navbar-container ul.nav li a.dropdown-user-link {
        padding: 0.8rem 0.6rem;
    }

        .header-navbar .navbar-container ul.nav li a.dropdown-user-link .user-name {
            display: none;
        }

    .header-navbar .navbar-container ul.nav li .dropdown-toggle:after {
        margin-right: 0;
        margin-left: -2px;
    }
}

@media (max-width: 767px) {
    #navbar-mobile.navbar-collapse .navbar-nav {
        flex-flow: row wrap;
        margin: 0;
    }

        #navbar-mobile.navbar-collapse .navbar-nav .dropdown-menu {
            position: absolute;
        }

        #navbar-mobile.navbar-collapse .navbar-nav .nav-item {
            float: left;
        }
}

@media (max-width: 991.98px) {
    #navbar-mobile.navbar-collapse .navbar-nav {
        flex-flow: row wrap;
        margin: 0;
    }

        #navbar-mobile.navbar-collapse .navbar-nav .dropdown-menu {
            position: absolute;
        }

        #navbar-mobile.navbar-collapse .navbar-nav .nav-item {
            float: left;
        }
}

/* 下拉菜单按钮箭头覆盖 */
.dropdown-toggle:after {
    font-family: inherit !important;
    border: none !important;
    content: "" !important;
    display: inline-block;
    width: 13px;
    height: 9px;
    margin-left: 0.5rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='13' height='9' viewBox='0 0 13 9' fill='none'%3E%3Cpath d='M12 1L6.5 7L1 1' stroke='%23ffffff' stroke-width='2'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    vertical-align: middle;
}

.dropdown-toggle:focus {
    outline: 0;
}

.dropdown-menu-right {
    right: 0;
    left: auto !important;
}

.dropdown-menu {
    box-shadow: none;
}

    .dropdown-menu .dropdown-submenu {
        position: relative;
    }

        .dropdown-menu .dropdown-submenu:hover .dropdown-menu {
            display: block;
        }

        .dropdown-menu .dropdown-submenu > .dropdown-menu {
            top: 0;
            left: 100%;
            margin-top: -6px;
            margin-left: -1px;
        }

        .dropdown-menu .dropdown-submenu > a:after,
        .dropdown-menu .dropdown-submenu > button:after {
            font-family: FontAwesome;
            content: "\f105" !important;
            float: right;
            position: absolute;
            right: 5px;
            font-size: 1.2rem;
            border: none;
        }

.dropdown .dropdown-menu {
    transform-origin: top;
    transform: scaleY(0);
    transition: all 0.2s linear;
    border: 1px solid #e6e6e6;
    border-radius: 0 0 0.25rem 0.25rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    animation-fill-mode: forwards;
}

    .dropdown .dropdown-menu .dropdown-item {
        width: auto;
        padding: 10px 20px;
        cursor: pointer;
    }

        .dropdown .dropdown-menu .dropdown-item:active {
            color: #202020;
            /*background-color: #f2f4f7 !important;*/
        }

.dropdown i,
.nav-item i {
    margin-right: 0.5rem;
}

.show > .dropdown-menu {
    display: block;
    opacity: 1;
    transform: scale(1);
}

.mega-dropdown-menu.bg-gradient-navbar a.dropdown-item {
    color: #fff;
}

.mega-dropdown-menu.bg-gradient-navbar .dropdown-menu-header {
    border-bottom-color: #5a5a5a;
    padding: 1rem 0 .5rem;
}

.mega-dropdown-menu.bg-gradient-navbar {
    border: none;
    border-radius: 0 !important;
    box-shadow: none;
    color: #fff;
    margin: 0;
    max-width: none;
    padding-bottom: 1rem;
    /*    transition: opacity .4s ease, top .45s ease !important;*/
    width: 100%;
}

@media (min-width: 768px) {
    .mega-dropdown ul.list-3-columns {
        -moz-column-count: 3;
        column-count: 3
    }

        .mega-dropdown ul.list-3-columns li {
            -moz-column-break-inside: avoid;
            break-inside: avoid
        }
}


/* scroll up*/
#scrollUp {
    background-image: url(/img/top.png);
    bottom: 25px;
    right: 20px;
    width: 38px;
    height: 38px;
}


/* footer */
.footer {
    position: relative;
    background-image: linear-gradient(180deg, #200700, #000000);
    text-align: center;
    min-height: 300px;
    padding: 30px 0;
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    color: #fff;
}

#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
}

#footermenu {
    position: absolute;
    text-align:center;
    z-index: 1;
    margin:auto;
}




/* ==================== navbar-dark (深色主题) ==================== */
.navbar-dark {
    background: #202020;
}
.navbar-brand .brand-logo {
    content: url('/img/logo-dark.webp');
}

    .navbar-dark .navbar-brand,
    .navbar-dark .navbar-brand:hover,
    .navbar-dark .navbar-brand:focus {
        color: #fff;
    }

    .navbar-dark .navbar-nav .nav-link {
        color: #fff;
    }

        .navbar-dark .navbar-nav .nav-link:hover,
        .navbar-dark .navbar-nav .nav-link:focus {
            color: #ffa000;
        }

        .navbar-dark .navbar-nav .active > .nav-link,
        .navbar-dark .navbar-nav .nav-link.active,
        .navbar-dark .navbar-nav .nav-link.show,
        .navbar-dark .navbar-nav .show > .nav-link {
            color: #ffa000;
        }

    .navbar-dark .navbar-nav .active.nav-link {
        background-color: hsla(0, 0%, 100%, 0.05);
    }

    .navbar-dark.navbar-horizontal {
        background: #202020;
    }

    .navbar-dark .navbar-nav li {
        line-height: 1;
    }

    /* 深色主题下拉菜单箭头（白色） */
    .navbar-dark .dropdown-toggle:after {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='13' height='9' viewBox='0 0 13 9' fill='none'%3E%3Cpath d='M12 1L6.5 7L1 1' stroke='%23ffffff' stroke-width='2'/%3E%3C/svg%3E");
    }

    /* 深色主题下拉菜单背景 */
    .navbar-dark .mega-dropdown-menu.bg-gradient-navbar {
        background: #202020;
        color: #fff;
    }

        .navbar-dark .mega-dropdown-menu.bg-gradient-navbar a.dropdown-item {
            color: #fff;
        }

        .navbar-dark .mega-dropdown-menu.bg-gradient-navbar .dropdown-menu-header {
            border-bottom-color: #5a5a5a;
            color: #fff;
        }

/* ==================== navbar-light (浅色主题) ==================== */
.navbar-light {
    background-image: linear-gradient(45deg, #ffa00024, #f3772340);
}

    .navbar-light .navbar-brand .brand-logo {
        content: url('/img/logo-light.webp');
    }
    .navbar-light .navbar-brand,
    .navbar-light .navbar-brand:hover,
    .navbar-light .navbar-brand:focus {
        color: #1b1b1b;
    }

    .navbar-light .navbar-nav .nav-link {
        color: #202020;
    }

        .navbar-light .navbar-nav .nav-link:hover,
        .navbar-light .navbar-nav .nav-link:focus {
            color: #ffa000;
        }

        .navbar-light .navbar-nav .active > .nav-link,
        .navbar-light .navbar-nav .nav-link.active,
        .navbar-light .navbar-nav .nav-link.show,
        .navbar-light .navbar-nav .show > .nav-link {
            color: #ffa000;
        }

    .navbar-light .navbar-nav .active.nav-link {
        background-color: rgba(0, 0, 0, 0.03);
    }

    .navbar-light.navbar-horizontal {
        background: #fff;
    }

    .navbar-light .navbar-nav li {
        line-height: 1;
    }

    /* 浅色主题下拉菜单箭头（深色） */
    .navbar-light .dropdown-toggle:after {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='13' height='9' viewBox='0 0 13 9' fill='none'%3E%3Cpath d='M12 1L6.5 7L1 1' stroke='%23333333' stroke-width='2'/%3E%3C/svg%3E");
    }

    /* 浅色主题下拉菜单背景 */
    .navbar-light .mega-dropdown-menu.bg-gradient-navbar {
        background: #fff;
        color: #202020;
    }

        .navbar-light .mega-dropdown-menu.bg-gradient-navbar a.dropdown-item {
            color: #202020;
        }

        .navbar-light .mega-dropdown-menu.bg-gradient-navbar .dropdown-menu-header {
            border-bottom-color: #e6e6e6;
            color: #202020;
        }