/* 超小屏幕（手机，小于 768px） */
.title-right {
    margin-top: 5px;
}
.channel-list-box .channel-record {
    float: unset;
}
.nav {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 999;
    display: none;
}
.nav_m2 {
    flex-direction: column;
}
.nav_m2 li {
    height: auto;
}
.nav_m2 li ul {
    position: static;
}
.title_m {
    padding: 0 15px;
}
.swiper-index {
    height: 300px;
    margin-bottom: 10px;
}
.swiper-banner.swiper {
    height: 110px;
}
.connect-us {
    margin-top: 20px;
    padding-left: 15px;
}
.main_r02_txt .employee-item {
    padding: 0;
}
.main_r02_txt .employee-item:nth-child(2n - 1) {
    padding-right: 10px;
}
.face-header {
    padding-right: 15px;
}
.face-header .channel-list-box {
    margin-bottom: 15px;
}
/* 没有任何媒体查询相关的代码，因为这在 Bootstrap 中是默认的（还记得 Bootstrap 是移动设备优先的吗？） */

/* 小屏幕（平板，大于等于 768px） */
@media (min-width: 768px) {
    .title-right {
        margin-top: 15px;
    }
    .channel-list-box .channel-record {
    float: unset;
}
    .nav_m2 {
		flex-direction: column;
	}
    .nav_m2 li {
        height: auto;
    }
    .nav_m2 li ul {
        position: static;
    }
    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        z-index: 999;
        display: none;
    }
    .title_m {
        padding: 0;
    }
    .swiper-index {
        height: 460px;
        margin-bottom: 10px;
    }
    .swiper-banner.swiper {
        height: 200px;
    }
    .connect-us {
        margin-top: 20px;
        padding-left: 15px;
    }
    .main_r02_txt .employee-item {
        padding: 0;
    }
    .main_r02_txt .employee-item:nth-child(2n - 1) {
        padding-right: 10px;
    }
    .face-header {
        padding-right: 15px;
        padding-bottom: 15px;
    }
    .face-header .channel-list-box {
        margin-bottom: 15px;
    }
}
/* 中等屏幕（桌面显示器，大于等于 992px） */
@media (min-width: 992px) {
    .title-right {
        margin-top: 12px;
    }
    .channel-list-box .channel-record {
    float: right;
}
    .nav_m2 {
		flex-direction: row;
	}
    .nav_m2 li {
        height: 50px;
    }
    .nav_m2 li ul {
        position: absolute;
    }
    .nav {
        position: static;
        max-height: 50px;
        display: block;
    }
    .title_m {
        padding: 0;
    }
    .swiper-index {
        height: 433px;
        margin-bottom: 0;
    }
    .swiper-banner.swiper {
        height: 300px;
    }
    .connect-us {
        margin-top: 0;
        padding-left: 80px;
    }
    .main_r02_txt .employee-item {
        padding: 0;
        padding-right: 10px;
    }
    .main_r02_txt .employee-item:last-child {
        padding-right: 0;
    }
    .face-header {
        padding-right: 15px;
        padding-bottom: 15px;
    }
    .face-header .channel-list-box {
        margin-bottom: 0;
    }
}

/* 大屏幕（大桌面显示器，大于等于 1200px） */
@media (min-width: 1200px) {
    .title-right {
        margin-top: 12px;
    }
    .channel-list-box .channel-record {
    float: right;
}
    .nav_m2 {
		flex-direction: row;
        display: flex;
	}
    .nav_m2 li {
        height: 50px;
    }
    .nav_m2 li ul {
        position: absolute;
    }
    .nav {
        position: static;
        max-height: 50px;
        display: block;
    }
    .title_m {
        padding: 0;
    }
    .swiper-index {
        height: 435px;
        margin-bottom: 0;
    }
    .swiper-banner.swiper {
        height: 400px;
    }
    .connect-us {
        margin-top: 0;
        padding-left: 140px;
    }
    .main_r02_txt .employee-item {
        padding: 0;
        padding-right: 10px;
    }
    .main_r02_txt .employee-item:last-child {
        padding-right: 0;
    }
    .face-header {
        padding-right: 0;
        padding-bottom: 0;
    }
    .face-header .channel-list-box {
        margin-bottom: 0;
    }
}