.menu_open {
    position: fixed;
    /*  background: #15395a;*/
    z-index: 2000;
    width: 80px;
    height: 53px;
    right: 50px;
    opacity: 0;
    transition: opacity 0.5s;
    top: 40%;
    text-align: center;
}

.this_open .menu_open {
    background: rgba(3, 54, 74, 0);
}

.menu_open {
    opacity: 1;
    transition: opacity 2.5s, top 1.5s;
}

.this_open .menu_open {
    top: 5%;
}

body.Main_page .menu_open {
    display: block;
    transition: 1s;
    transform: perspective(1000px) translate3d(0, 0, 00px);
}

.this_open .nav_bg {
    opacity: 0;
    transition: 1s;
}

.nav_bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.this_open .menu_openc {
    overflow: inherit;
}

.nav {
    height: 80px;
    width: 50px;
    position: absolute;
    margin: 0 auto;
    right: 0;
    left: 0;
    top: 45%;
    cursor: pointer;
}

.nav .top {
    top: 0;
    animation: levitatetop 3s infinite;
    animation-timing-function: cubic-bezier(0.51, 0.55, 0.27, 0.7);
}

.this_open .top.line {
    transform: rotate(-45deg) translateX(8px);
    background: #ea6000;
}

.nav .middle {
    top: 0;
    animation: levitatemid 2s infinite;
    animation-timing-function: cubic-bezier(0.51, 0.55, 0.27, 0.7);
}

.this_open .middle.line {
    opacity: 0;
    transition: 0.7s;
}

.nav .bottom {
    bottom: 0;
    animation: levitatebot 3s infinite;
    animation-timing-function: cubic-bezier(0.51, 0.55, 0.27, 0.7);
}

.nav .run {
    position: absolute;
    top: 32px;
    height: 1px;
    width: 20px;
    background-color: #b3b1b1;
    animation: runline 3s infinite;
    animation-timing-function: cubic-bezier(0.51, 0.55, 0.27, 0.7);
    display: none;
}

.this_open .bottom.line {
    transform: rotate(45deg) translateX(-8px);
    background: #ea6000;
}

.nav .circle {
    width: 7px;
    height: 7px;
    position: absolute;
    top: -35px;
    right: 0;
    border-radius: 100%;
    border: 1px solid #ea6000;
    animation: rotation 2.5s linear 0s infinite;
    background: #ea6000;
}

.nav .circle:after {
    content: " ";
    width: 3px;
    height: 3px;
    position: absolute;
    top: -15px;
    right: -5px;
    border-radius: 100%;
    border: 1px solid #ea6000;
}

.m_tt {
    transition: 0.8s;
}

.m_tt {
    text-align: center;
    color: #ea6000;
    bottom: 0;
    left: 0;
    right: 0;
    margin-bottom: 100%;
    font-size: 1.8rem;
    position: absolute;
    line-height: 1.2;
    margin-top: 50%;
    font-size: 0.9em;
}

.this_open .m_tt {
    transition: 0.8s;
    opacity: 0;
}

.menu_cover {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 150%;
    z-index: 1000;
    background: url(/App/Home/View/Default/Public/Image/menu_bg.jpg) center;
    display: block;
    transition: 1s 0s;
}

.this_open .menu_cover {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    background: url(/App/Home/View/Default/Public/Image/menu_bg.jpg) center;
    display: block;
    transition: 1s 0s;
}

.this_open .menu_cover:before {
    transition: 2s;
    transform: translate3d(-100%, 0, 0);
    z-index: 10;
}

.menu_cover:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(52, 55, 64, 0.87);
    transition: 4.5s;
    transform: translate3d(100%, 0, 0);
}
.nav .line {
    position: relative;
    width: 2px;
    height: 35px;
    margin: 10px 0;
    background-color: #ea6000;
    display: inline-block;
    transition: 0.7s;
}

.menu_open {
    opacity: 1;
    transition: opacity 2.5s, top 1.5s;
}

.menuMain { position: absolute; top: 50%; transform: translateY(-50%); width: 100%; height: 580px; }

.menulf { height: 550px; }

.menuli {}

.menuli dt { margin-bottom: 10px;}
.menuli dd { margin: 0; line-height: 30px;}
.menuli a { color: #fff; position: relative; }


.menuli a:after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 0;
    top: 0;
    background: #fff;
    left: 0;
    filter: blur(30px);
    z-index: -1;
    opacity: 0;
	width: 0;
    transition: 0.8s;
}
.menuli a:hover:after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 0;
    top: 0;
    background: #fff;
    left: 0;
    filter: blur(10px);
    z-index: -1;
    opacity: 0.3;
	width: 100%;
    transition: 0.5s;
}
.menuli a:hover {
    color: #fff;
}

@keyframes navuidh {
    0% {
        opacity: 1;
        transform: perspective(1000px) translate3d(0, 0, 0px);
        filter: blur(0);
    }

    50% {
        opacity: 0;
        transform: perspective(1000px) translate3d(0, 0, 250px);
        filter: blur(0px);
    }

    100% {
        opacity: 0;
        filter: blur(0);
    }

}

@keyframes rotation {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes runline {
    0% {
        left: -30px;
        opacity: 1;
    }

    30% {
        left: 100px;
        top: 32px;
        opacity: 1;
    }

    50% {
        top: 60px;
        left: 100px;
    }

    60% {
        top: 60px;
        left: 100px;
    }

    70% {
        left: -50px;
        opacity: 1;
        top: 60px;
    }

    100% {
        left: -50px;
        opacity: 1;
        top: 32px;
    }
}

@keyframes levitatetop {
    0% {
        top: -5px;
    }

    50% {
        top: 5px;
    }

    100% {
        top: -5px;
    }
}

@keyframes levitatemid {
    0% {
        top: 0px;
    }

    50% {
        top: 0;
    }

    100% {
        top: 0px;
    }
}

@keyframes levitatebot {
    0% {
        bottom: 5px;
    }

    50% {
        bottom: -5px;
    }

    100% {
        bottom: 5px;
    }
}

.menu_open {
    opacity: 1;
    transition: opacity 2.5s, top 1.5s;
}<!--ºÄʱ1757090190.0568Ãë-->