* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
	font-family: 'Roboto', sans-serif;
	line-height: 1.6;
	background-color: #f5f5f5;
}

.header {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	background: #1976d2;
	color: white;
	padding: 1rem;
	height: 80px;
	padding-top: 10px;
	box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
	z-index: 1000;
}

.header-content {
	max-width: 1200px;
	margin: 0 auto;
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.nav-links a {
	color: white;
	text-decoration: none;
	margin-left: 2rem;
}

.section {
	padding: 5rem 1rem;
	min-height: 100vh;
	display: flex;
	align-items: center;
}

#home{
	  background: linear-gradient(rgba(231, 231, 231, 0.8), rgba(231, 231, 231, 0.8)), url('https://files-plus.coldsea.vip/gitcp/imget/weba.jpg') no-repeat 0% 100%/ cover fixed;
}

.container {
	max-width: 1200px;
	margin: 0 auto;
	width: 100%;
}

.ispc{
	display: inline-block;
}

.nopc{
	display: none;
}

.hero {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 4rem;
	align-items: center;
}

.hero-content h1 {
	font-size: 3rem;
	margin-bottom: 1rem;
	color: #1976d2;
}

.hero-content p {
	margin-bottom: 2rem;
	color: #666;
}

#demophoto{
	width: 100%; 
	border-radius: 8px; 
	box-shadow: 0 4px 8px rgba(0,0,0,0.1);
	transform: translateY(60px);
}

.btn {
	display: inline-block;
	padding: 1rem 2rem;
	background: #1976d2;
	color: white;
	text-decoration: none;
	border-radius: 4px;
	transition: background 0.3s;
}

.btn:hover {
	background: #1565c0;
}

.dropdown {
	position: relative;
	display: inline-block;
}

.dropdown-btn {
	cursor: pointer;
}

.dropdown-content {
	display: none;
	position: absolute;
	background-color: white;
	min-width: 128px;
	box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
	z-index: 1;
	border-radius: 4px;
	overflow: hidden;
}

.dropdown-content a {
	color: #666;
	padding: 12px 16px;
	text-decoration: none;
	display: block;
	transition: background-color 0.3s;
}

.dropdown-content a:hover {
	background-color: #f1f1f1;
	color: #1976d2;
}

.dropdown:hover .dropdown-content {
	display: block;
}

.dropdown:hover .dropdown-btn {
	background: #1565c0;
}

.features,
.usage {
	padding: 5rem 1rem;
}

.features {
	min-height: 90vh;
	background: white;
}

.section-title {
	text-align: center;
	font-size: 2.5rem;
	margin-bottom: 3rem;
	color: #1976d2;
}

.grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
	gap: 2rem;
}

.card {
	background: white;
	padding: 2rem;
	border-radius: 8px;
	box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
	height: 100%;
}

.card h3 {
	color: #1976d2;
	margin-bottom: 1rem;
}

.github-icon {
	width: 24px;
	height: 24px;
	fill: currentColor;
	transform: translateY(5px);
}

.tsinfo{
	color: #888888;
}

.tsinfo a{
	color: #06c5ff;
}

@media (max-width: 768px) {
	.hero {
		grid-template-columns: 1fr;
	}

	.nav-links {
		display: none;
	}
	
	#demophoto{
		transform: none;
	}
	
	.ispc{
		display: none;
	}
	
	.nopc{
		display: inline-block;
	}
}