/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "微软雅黑", "PingFang SC", sans-serif;
}
a {
    text-decoration: none;
    color: #333;
}
ul {
    list-style: none;
}
.container {
    width: 1200px;
    margin: 0 auto;
}

/* 头部导航 */
.header {
    border-bottom: 1px solid #eee;
}
.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}
.logo img {
    height: 60px;
}
.nav ul {
    display: flex;
    gap: 40px;
}
.nav a {
    font-size: 16px;
    font-weight: 500;
    transition: color 0.3s;
}
.nav a:hover {
    color: #0066cc;
}

/* Banner轮播 */
.banner-slider {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
}
.banner-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
}
.banner-item.active {
    opacity: 1;
}
.banner-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.banner-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}
.banner-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.6);
    cursor: pointer;
}
.banner-dot.active {
    background: #0066cc;
}

/* 企业介绍 */
.about {
    padding: 80px 0;
    background: #f9f9f9;
}
.about h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
    color: #333;
}
.about-content {
    display: flex;
    gap: 40px;
    align-items: center;
}
.about-img {
    width: 50%;
}
.about-img img {
    width: 100%;
    border-radius: 8px;
}
.about-text {
    width: 50%;
    font-size: 16px;
    line-height: 1.8;
    color: #666;
}



/* 底部 */
.footer {
    background: #333;
    color: #fff;
    padding: 40px 0;
    text-align: center;
}
.footer p {
    margin-top: 10px;
    font-size: 14px;
}