:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --dark-color: #1a252f;
    --light-color: #ecf0f1;
    --accent-color: #e74c3c;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    color: #333;
    background-color: #f5f7fa;
}

.tech-nav {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.tech-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.tech-nav .logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    text-decoration: none;
}

.tech-nav .companylogoname{
  vertical-align: middle; /* 垂直居中对齐 */
}

.tech-nav .companylogo{

	width: 36px; /* 根据需要调整logo的宽度 */
	height: auto; /* 保持图片比例 */
	display: inline-block; /* 将logo设为inline-block */
	vertical-align: middle; /* 垂直居中对齐 */
	margin-right: 10px; /* logo和公司名之间的间距 */
}

.tech-nav .companyname {
    //font-size: 24px; /* 根据需要调整字体大小 */
    display: inline-block; /* 将公司名设为inline-block */
    vertical-align: middle; /* 垂直居中对齐 */
  }


.tech-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.tech-nav ul li {
    margin-left: 2rem;
}

.tech-nav ul li a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
}

.tech-nav ul li a:hover {
    color: var(--secondary-color);
}

.tech-nav ul li.active a {
    color: var(--secondary-color);
    font-weight: bold;
}

.tech-main {
    min-height: calc(100vh - 150px);
    background-color: white;
}

.tech-footer {
    background-color: var(--dark-color);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 首页样式 */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 5rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s 0.3s forwards;
    opacity: 0;
}

.btn {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 4px;
    text-decoration: none;
    transition: background-color 0.3s;
    animation: fadeInUp 1s 0.6s forwards;
    opacity: 0;
}

.btn:hover {
    background-color: #c0392b;
}

.featured-products {
    padding: 4rem 0;
}

.featured-products h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2rem;
    color: var(--primary-color);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
}

.product-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-card h3 {
    padding: 1rem;
    margin: 0;
    font-size: 1.2rem;
}

.product-card p {
    padding: 0 1rem 1rem;
    margin: 0;
    color: #666;
}

/* 产品页样式 */
.products-page {
    padding: 4rem 0;
}

.products-page h1 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.filter-section {
    margin-bottom: 2rem;
}

#product-search {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.products-list {
    display: grid;
    gap: 2rem;
}

.product-item {
    display: flex;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.product-item img {
    width: 200px;
    height: 200px;
    object-fit: cover;
}

.product-info {
    padding: 1.5rem;
    flex: 1;
}

.product-info h3 {
    margin-top: 0;
    color: var(--primary-color);
}

.price {
    display: inline-block;
    margin-top: 1rem;
    font-weight:
}
	
.about-text{
	line-height:1.5em;
	font-size:16px;
}