@media (max-width: 992px) {
    .collapse:not(.show) {
        display: block;
    }

    .ycs_zh {
        display: inline-block;
        padding: 18px 10px 17px;
        vertical-align: middle;
        margin-right: 15px;
    }

        .ycs_zh span {
            display: block;
            width: 20px;
            height: 2px;
            margin-bottom: 5px;
            position: relative;
            background: #fff;
            border-radius: 3px;
            z-index: 1;
            -webkit-transform-origin: 20px;
            transform-origin: 20px;
            transition: background .5s cubic-bezier(.77,.2,.05,1),opacity .55s ease,transform .5s cubic-bezier(.77,.2,.05,1),width .5s;
        }

        .ycs_zh.open span {
            opacity: 1;
            transform: rotate(45deg);
        }

            .ycs_zh.open span:nth-last-child(2) {
                width: 0;
                opacity: 0;
                transform: rotate(0);
                transition: width .5s;
            }

            .ycs_zh.open span:nth-last-child(3) {
                opacity: 1;
                transform: rotate(-45deg);
            }

    .nav-item.login {
        margin: 0 20px;
        background: #fff;
        height: 40px;
        line-height: 40px;
        text-align: center;
        margin-top: 15px;
    }

        .nav-item.login a {
            color: #000;
        }

        .nav-item.login:last-child {
            background: #2a62ff;
        }

            .nav-item.login:last-child a {
                color: #fff;
            }

    .navbar-nav {
        position: fixed;
        padding-bottom: 0;
        width: 100%;
        height: 0;
        overflow: auto;
        background-color: #202124;
        transition: all 0.3s ease-out;
    }

    .show .navbar-nav {
        height: 100%;
        padding-bottom: 100px;
    }

    .navbar {
        padding: 0;
    }

    #mainNav .navbar-brand {
        margin: 10px;
    }

    #mainNav .navbar-toggler {
        margin-right: 20px;
    }

    #mainNav .navbar-nav .nav-item .nav-link {
        background-color: #16171a;
        height: 45px;
        line-height: 45px;
        padding: 0;
        padding-left: 20px;
        border-bottom: #2b2b2e 1px solid;
        font-size: 14px;
    }

    .home_top {
        display: none;
    }

    .nav-item .y_sub {
        position: relative;
    }

        .nav-item .y_sub:after {
            content: "";
            background: url(/content/home/zkgb.png) no-repeat center;
            background-size: 20px;
            position: absolute;
            right: 0;
            height: 40px;
            width: 40px;
            top: 0;
        }

        .nav-item .y_sub.open:after {
            transform: rotate(180deg);
        }

    .nav-item .menu {
        color: #fff;
        background-color: #202124;
        font-size: 14px;
        height: 0;
        transition: all 0.3s ease-out;
        overflow: hidden;
        opacity: 0;
    }

        .nav-item .menu.open {
            height: auto;
            opacity: 1;
        }

        .nav-item .menu dl {
            line-height: 45px;
            padding-left: 20px;
            border-bottom: #2b2b2e 1px solid;
            margin: 0;
        }

            .nav-item .menu dl dt {
                font-weight: 400;
            }

            .nav-item .menu dl dd {
                line-height: 45px;
                padding-left: 15px;
                margin: 0;
                height: 0;
                overflow: hidden;
                opacity: 0;
                transition: all 0.3s ease-out;
            }

                .nav-item .menu dl dd.open {
                    height: auto;
                    opacity: 1;
                }

        .nav-item .menu a {
            color: #fff;
        }

        .nav-item .menu > a {
            display: block;
            line-height: 45px;
            padding-left: 20px;
            border-bottom: #2b2b2e 1px solid;
        }
		#mainNav .nav_c{
			top:70px;
		}
		#mainNav .rt_anliu{
			position: fixed;
			right: 0;
			bottom: 0;
			height: auto;
			padding-bottom: 20px;
			display:none;
			top:auto;
		}
		.show .rt_anliu{
			
			display:block!important;
		}
}

@media (min-width: 992px) {

    .home_top {
        height: 28px;
        width: 100%;
        position: absolute;
        top: 0;
        left: 0;
        background: rgba(0,0,0,0.3);
        font-size: 14px;
        line-height: 28px;
    }

        .home_top > div {
            display: flex;
        }

        .home_top a {
            color: rgba(255,255,255,0.4);
            -webkit-transition: color 0.3s ease-out;
            -moz-transition: color 0.3s ease-out;
            -ms-transition: color 0.3s ease-out;
            -o-transition: color 0.3s ease-out;
            transition: color 0.3s ease-out;
            text-decoration: none;
        }

            .home_top a:hover {
                color: #fff;
            }

    .home_top_right {
        width: 50%;
        color: #f1f1f1;
        text-align: right;
        flex: 1;
    }

    .home_top_left {
        /*width: 200px;*/
    }

        .home_top_left li {
            height: 28px;
            overflow: hidden;
        }

    .nav-item:hover .menu {
        padding: 18px 0 32px;
        height: auto;
        visibility: visible;
        opacity: 1;
    }

    .menu {
        opacity: 0;
        visibility: hidden;
        width: 100%;
        overflow: hidden;
        position: fixed;
        background-color: #000;
        left: 0;
        color: white;
        text-align: center;
        height: 0;
        padding: 0;
        -webkit-transition: all 0.3s ease-out;
        -moz-transition: all 0.3s ease-out;
        -ms-transition: all 0.3s ease-out;
        -o-transition: all 0.3s ease-out;
        transition: all 0.3s ease-out;
    }

        .menu a {
            display: inline-block;
            width: 150px;
            height: 34px;
            padding-left: 10px;
            color: #c3c4c7;
            line-height: 34px;
            font-size: 14px;
            cursor: pointer;
            -webkit-transition: 0.3s ease-out;
            -moz-transition: 0.3s ease-out;
            -ms-transition: 0.3s ease-out;
            -o-transition: 0.3s ease-out;
            transition: 0.3s ease-out;
            text-decoration: none;
        }

            .menu a:hover {
                background-color: #212429;
                color: #2875fa;
            }

        .menu.jjfa a {
            padding: 0 10px;
        }

        .menu dd {
            margin: 0;
        }

        .menu dl {
            margin: 0;
        }

    .i_color {
        color: gray;
    }

    .snav_cat {
        vertical-align: top;
        display: inline-block;
        width: 160px;
        text-align: left;
    }

    .snav_cat-title {
        font-weight: normal;
        height: 44px;
        line-height: 44px;
        font-size: 16px;
        padding-left: 10px;
    }

    .navbar-shrink .menu {
        background: #fff;
        color: #333;
        box-shadow: 0 2px 5px rgba(41,46,51,0.15);
    }

        .navbar-shrink .menu a {
            color: #626366;
        }

            .navbar-shrink .menu a:hover {
                background-color: #f5f7fa;
                color: #2875fa;
            }


    #mainplan:hover .plan {
        display: block;
    }

    .navbar-shrink .plan {
        background-color: white;
    }

        .navbar-shrink .plan a {
            color: #333;
        }

    .plan {
        display: none;
        position: absolute;
        background-color: #000000eb;
        width: 1900px;
        right: -724px;
        color: white;
        padding: 14px 0 14px 561px;
        max-height: 214px;
        top: 60px;
        box-shadow: 0 2px 5px rgba(41, 46, 51, 0.15);
    }

        .plan a {
            font-weight: normal;
            color: white;
            font-size: 14px;
            padding-left: 0;
            width: 120px;
            height: 34px;
            margin: 0 42px;
        }

    #mainNav .navbar-nav .nav-item.login {
        text-align: center;
        line-height: 100%;
        padding: 1.6em 0 0 1em;
    }

        #mainNav .navbar-nav .nav-item.login:hover:after {
            display: none;
        }

        #mainNav .navbar-nav .nav-item.login a {
            color: #fff;
            padding: 8px 15px;
            text-decoration: none;
            -webkit-transition: 0.3s ease-out;
            -moz-transition: 0.3s ease-out;
            -ms-transition: 0.3s ease-out;
            -o-transition: 0.3s ease-out;
            transition: 0.3s ease-out;
        }

            #mainNav .navbar-nav .nav-item.login a:hover {
                color: #2a62ff;
            }

            #mainNav .navbar-nav .nav-item.login a#reg {
                background: #007bff;
                border-radius: 2px;
                color: #fff;
            }

                #mainNav .navbar-nav .nav-item.login a#reg:hover {
                    background: #2a62ff;
                    border-color: #2a62ff;
                    color: #fff;
                }

    ::-webkit-scrollbar {
        width: 6px;
        height: 6px;
    }

    ::-webkit-scrollbar-track-piece {
        background-color: #ebebeb;
        -webkit-border-radius: 4px;
    }

    ::-webkit-scrollbar-thumb:vertical {
        height: 32px;
        background-color: #ccc;
        -webkit-border-radius: 4px;
    }

    ::-webkit-scrollbar-thumb:horizontal {
        width: 32px;
        background-color: #ccc;
        -webkit-border-radius: 4px;
    }
}