/* 底部导航 start */
.bottom-block {
	height: 115px;
}

.nav-bottom {
	position: fixed;
	bottom: 0;
	left: 50%;
	max-width: 750px;
	min-width: 320px;
	width: 100%;
	height: 100px;
	background-color: #FFFFFF;
	box-shadow: 0px 0px 20px 0px rgba(12, 24, 57, 0.05);
	transform: translateX(-50%);
	z-index: 99;
}

.nav-bottom ul {
	margin: 0;
	height: 100%;
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.nav-bottom ul li {
	flex: 1;
	height: 100%;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
}

.nav-bottom ul li .icon {
	margin-bottom: 2%;
	width: 26%;
}

.nav-bottom ul li span a {
	font-size: clamp(12px, 2.9vw, 22px);
	color: #a1aab3;
	white-space: nowrap;
}

.nav-bottom ul li span a.select {
	color: #171819;
	font-weight: 500;
}

.nav-bottom ul li.add {
	position: relative;
	flex-shrink: 0;
	margin-top: -15px;
	width: 100%;
	height: 100%;
}
.nav-bottom ul li.add .menu {
	display: block;
	position: absolute;
	bottom: 100%;
	left: 50%;
	padding: 0 6%;
	width: 100%;
	height: auto;
	background-color: #FFFFFF;
	border: 1px solid #f0f0f0;
	box-shadow: 0px 0px 20px 0px rgba(12, 24, 57, 0.05);
	transform: translateX(-50%);
	opacity: 0;
	transition: opacity 0.5s ease; /* 设置透明度变化的过渡效果 */
	z-index: 9;
}

.nav-bottom ul li.add .menu.show {
	opacity: 1;
}
.nav-bottom ul li.add .menu li {
	padding: 8% 0;
	width: 100%;
	font-size: clamp(12px, 2.9vw, 22px);
	border-bottom: 1px solid #eee;
	display: flex;
	justify-content: center;
	align-items: center;
}
.nav-bottom ul li.add .menu li a {
	white-space: nowrap;
	font-size: 0.8rem;
}
.nav-bottom ul li.add .menu li:last-child {
	border-bottom: none;
}
.nav-bottom ul li.add a.add-icon {
	width: 100%;
	height: 100%;
	display: flex;
	justify-content: center;
	align-items: center;
}
.nav-bottom ul li.add a.add-icon img {
	height: 100%;
}

/* 底部导航 end */
@media (max-width: 359px) {

	.bottom-block {
		height: 65px;
	}

	.nav-bottom {
		height: 50px;
	}
}

@media (min-width: 360px) and (max-width: 429px) {
	.bottom-block {
		height: 75px;
	}

	.nav-bottom {
		height: 60px;
	}
}

@media (min-width: 430px) and (max-width: 749px) {
	.bottom-block {
		height: 95px;
	}

	.nav-bottom {
		height: 80px;
	}
}

@media (min-width: 750px) {

	.bottom-block {
		height: 115px;
	}

	.nav-bottom {
		height: 100px;
	}
}