@charset "utf-8";
/*Author: BeiYue*/
/*QQ: 964214970*/
/*Telegram: BeiYue88*/
/*==============================================================*/

/* CSS Nav */
nav {
    width: 100%;
    height: 110px;
    padding: 0 50px;
    position: fixed;
    box-sizing: border-box;
    top: 0;
    z-index: 9999;
}

nav .left_zhanwei {
    width: calc(100% - ((100% - 1400px) / 2));
    border-radius: 0 0 20px 0;
    box-sizing: border-box;
    height: 80px;
    background: var(--bai);
    position: absolute;
    left: 0;
    top: 0;
    box-shadow: 0 10px 20px rgb(0, 0, 0, 0.1);
    z-index: 9997;
}

.nav_box {
    width: 1400px;
    height: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: top;
    position: relative;
    box-sizing: border-box;
    z-index: 9998;
}

.logo_box {
    width: 300px;
    min-height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--bai);
    border-radius: 0 0 30px 30px;
    box-shadow: 0 10px 20px rgb(0, 0, 0, 0.1);
    flex-grow: 0;
    flex-shrink: 0;
    position: relative;
    z-index: 9999;
}

.logo_box a {
    width: 100%;
    height: 100%;
    padding: 25px 0;
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
    font-size: 0;
}

.logo_box a img {
    transition: all 0.3s;
}

.logo_box:hover a img {
    transform: scale(1.05);
}

.top_nav {
    width: 100%;
    height: 80px;
    min-height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 30px;
    box-sizing: border-box;
    font-size: 18px;
}

.top_nav a {
    padding: 0 20px;
    height: 100%;
    color: var(--txt);
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    box-sizing: border-box;
    transition: all 0.3s;
}

.top_nav a:nth-child(1) {
    margin-left: auto;
}

.top_nav a span {
    width: 60%;
    height: 4px;
    background: var(--sc01);
    position: absolute;
    bottom: 0;
    opacity: 0;
    transition: all 0.3s;
}

.top_nav .nav_act {
    color: var(--sc01);

    & span {
        opacity: 1;
    }
}

.top_nav a:hover,
.top_nav a:active {
    color: var(--sc01);
}

.nav_box .nav_yuyue {
    min-width: 140px;
    min-height: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: solid 1px var(--sc01);
    border-radius: 0 6px 0 0;
    box-sizing: border-box;
    margin-left: auto;
    margin-left: 40px;
    transition: all 0.3s;
}

.nav_box .nav_yuyue p {
    color: var(--sc01);
    transition: all 0.3s;
}

.nav_box .nav_yuyue i {
    width: auto;
    height: 18px;
    display: flex;
    justify-content: center;
    align-items: center;
    filter: var(--svg01);
    margin-left: 5px;
    transition: all 0.3s;
}

.nav_box .nav_yuyue:hover {
    background: var(--sc01);

    & p {
        color: var(--bai);
    }

    & i {
        filter: var(--svg03);
    }
}


.app_nav_btn_no {
    width: 30px;
    height: 40px;
    position: absolute;
    right: 0;
    top: 16px;
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    cursor: pointer;

}

.app_nav_btn_no i {
    width: 100%;
    height: 5px;
    border-radius: 4px;
    background: var(--sc05);
    margin: 3px auto;
    transition: all 0.3s;
}

.app_nav_btn_no:hover i,
.app_nav_btn_no:active i {
    background: var(--sc01);
}

.app_nav_btn_off {
    width: 30px;
    height: 30px;
    position: absolute;
    right: 0;
    top: 20px;
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    filter: var(--svg03);
    opacity: 0.5;
    cursor: pointer;
    transition: all 0.3s;
}

.app_nav_btn_off:hover {
    opacity: 0.8;
}