/* 全局样式 */
body {
    font-family: 'Arial', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
}

/* 头部样式 */
header {
    background-color: #2c3e50;
    color: white;
    padding: 2rem 0;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 2.2rem;
}

/* 主要内容区域 */
main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

section {
    background: white;
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

h2 {
    color: #2c3e50;
    border-bottom: 2px solid #eee;
    padding-bottom: 0.5rem;
    margin-top: 0;
}

ul {
    padding-left: 1.5rem;
}

/* 公司介绍样式 */
.about-company {
    padding: 2rem 0;
    background-color: #f9f9f9;
}

.company-intro {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.company-intro h3 {
    color: #2c3e50;
    margin: 1.5rem 0 1rem;
    font-size: 1.3rem;
}

.timeline {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.timeline li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
    line-height: 1.5;
}

.timeline li:before {
    content: "•";
    color: #3498db;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: 0;
}

.core-business {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.business-item {
    flex: 1;
    min-width: 300px;
    background: white;
    padding: 1.5rem;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.business-item h4 {
    color: #3498db;
    margin-top: 0;
}

/* 轮播图样式 */
.carousel {
    position: relative;
    max-width: 1200px;
    margin: 0 auto 2rem;
    overflow: hidden;
}

.slides {
    display: flex;
    transition: transform 0.5s ease;
}

.slide {
    min-width: 100%;
    position: relative;
}

.slide img {
    width: 100%;
    height: auto;
    display: block;
}

.controls {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    transform: translateY(-50%);
}

.controls button {
    background: rgba(0,0,0,0.5);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    cursor: pointer;
    font-size: 1.5rem;
    z-index: 10;
}

.controls button:hover {
    background: rgba(0,0,0,0.8);
}

/* 联系我们样式 */
.contact-info {
    margin-top: 1rem;
}

.contact-info p {
    margin: 0.8rem 0;
}

.contact-info a {
    color: #2980b9;
    text-decoration: none;
}

.contact-info a:hover {
    text-decoration: underline;
}

/* 页脚样式 */
footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.icp {
    font-size: 0.9rem;
    color: #bbb;
    margin-top: 0.5rem;
}

.icp a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.icp a:hover {
    color: #3498db;
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.8rem;
    }

    section {
        padding: 1.5rem;
    }
}