@charset "utf-8";

:root {
	--primary-green: #28a745;
	--primary-blue: #007bff;
	--light-green: #d4edda;
	--light-blue: #cce5ff;
	--gradient-green: linear-gradient(135deg, #28a745 0%, #20c997 100%);
	--gradient-blue: linear-gradient(135deg, #007bff 0%, #17a2b8 100%);
}

body {
	font-family: 'Noto Sans SC', sans-serif;
	line-height: 1.6;
	color: #333;
}
a{text-decoration:none;-webkit-transition: all 0.35s;transition: all 0.35s;}

/* 波浪背景 */
.wave-top {
	position: relative;
	background: linear-gradient(180deg, #007bff 0%, #28a745 100%);
	height: 120px;
	overflow: hidden;
}

.wave-top::before {
	content: "";
	position: absolute;
	bottom: 0;
	left: 0;
	width: 100%;
	height: 60px;
	background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23ffffff' fill-opacity='1' d='M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,154.7C960,171,1056,181,1152,165.3C1248,149,1344,107,1392,85.3L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E") no-repeat bottom;
	background-size: cover;
}

.wave-bottom {
	position: relative;
	background: linear-gradient(180deg, #ffffff 0%, #e9f5ff 50%, #28a745 100%);
	height: 150px;
	overflow: hidden;
}

.wave-bottom::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 80px;
	background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23ffffff' fill-opacity='1' d='M0,160L48,176C96,192,192,224,288,213.3C384,203,480,149,576,138.7C672,128,768,160,864,181.3C960,203,1056,213,1152,197.3C1248,181,1344,139,1392,117.3L1440,96L1440,0L1392,0C1344,0,1248,0,1152,0C1056,0,960,0,864,0C768,0,672,0,576,0C480,0,384,0,288,0C192,0,96,0,48,0L0,0Z'%3E%3C/path%3E%3C/svg%3E") no-repeat top;
	background-size: cover;
}

/* 导航栏 */
.navbar {
	transition: all 0.3s ease;
	box-shadow: 0 2px 10px rgba(0,0,0,0.1);
	padding: 15px 0px;
}

.navbar-brand img {
	height: 40px;
	margin-right: 10px;
}

.nav-link {
	font-weight: 500;
	margin: 0 10px;
	transition: all 0.3s ease;
}

.nav-link:hover {
	color: var(--primary-green);
	transform: translateY(-2px);
}


/* 页脚 */
.footer {
	background: #212529;
	color: white;
	padding: 50px 0 20px;
}

.footer-logo {
	max-width: 300px;
	margin-bottom: 20px;
}
.footer-logo img{
	width:100%;
	display:block;
}

.footer-text {
	color: rgba(255,255,255,0.5);
	margin-bottom: 20px;
}

.list-unstyled .nav-link {
	font-weight: normal;
	margin: auto;
}

.footer-bottom {
	border-top: 1px solid rgba(255,255,255,0.1);
	padding-top: 20px;
	margin-top: 30px;
	text-align: center;
	color: rgba(255,255,255,0.5);
}
.footer-bottom a{
	color: rgba(255,255,255,0.5);
}

.footer-bottom img{height:20px;margin-right:5px;}

/* 回到顶部按钮 */
.back-to-top {
	position: fixed;
	bottom: 30px;
	right: 30px;
	width: 50px;
	height: 50px;
	border-radius: 50%;
	background: var(--gradient-green);
	color: white;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 1.2rem;
	box-shadow: 0 5px 15px rgba(0,0,0,0.2);
	transition: all 0.3s ease;
	z-index: 1000;
	opacity: 0;
	visibility: hidden;
}

.back-to-top.show {
	opacity: 1;
	visibility: visible;
}

.back-to-top:hover {
	transform: translateY(-5px);
	box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}