/* 全局样式 */
body {
    margin: 0;
    padding: 0;
    font-family: "Microsoft YaHei", Arial, sans-serif;
}

.scroll_contain {
    width: 100%;
    position: relative;
}

.bg-image {
    background-image: url('/static/image/1_ma39.jpg');
    width: 100%;
    height: 100%;
    position: absolute;
}

/* 头部导航 */
.main-header {
    width: 100%;
    height: 79px;
    background: #fff;
    position: fixed;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}

.logo {
    width: 400px;
}

.logo img {
    width: 100%;
    height: auto;
}

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

.main-nav li {
    margin: 0 20px;
}

.main-nav a {
    color: #333;
    text-decoration: none;
    font-size: 16px;
}

/* Banner */
.banner {
    width: 100%;
    height: 350px;
    overflow: hidden;
    margin-top: 79px;
}

.banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 服务特点区域 */
.service-features {
    padding: 60px 0;
    background: #f0eae9;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h1 {
    font-size: 30px;
    color: #000;
    margin-bottom: 15px;
}

.section-title p {
    font-size: 20px;
    color: #666;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.feature-card {
    background: #fff;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
}

.feature-card img {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 18px;
    margin-bottom: 15px;
}

.feature-card p {
    font-size: 15px;
    color: #666;
    line-height: 1.5;
}

/* 保养说明区域 */
.maintenance-guide {
    padding: 60px 0;
    background: #f3f0f0;
}

.maintenance-content {
    display: flex;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    gap: 40px;
}

.maintenance-image {
    width: 400px;
    height: 400px;
    object-fit: cover;
}

.maintenance-text {
    flex: 1;
}

.maintenance-text h2 {
    font-size: 30px;
    margin-bottom: 30px;
}

.maintenance-items .item {
    margin-bottom: 25px;
}

.maintenance-items h3 {
    font-size: 16px;
    color: #434343;
    margin-bottom: 10px;
}

.maintenance-items p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

.contact {
    margin-top: 20px;
    font-size: 16px;
    color: #434343;
}

/* 页脚 */
.site-footer {
    background: #666;
    color: #fff;
    padding: 40px 0 20px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
}

.footer-nav ul {
    display: flex;
    list-style: none;
    margin: 0 0 30px;
    padding: 0;
}

.footer-nav li {
    margin-right: 30px;
}

.footer-nav a {
    color: #fff;
    text-decoration: none;
    font-size: 14px;
}

.company-info p {
    color: #d9d9d9;
    font-size: 14px;
    line-height: 1.6;
}

.contact-info h3 {
    font-size: 18px;
    margin-bottom: 20px;
}

.phone {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.phone img {
    width: 42px;
    height: 42px;
    margin-right: 10px;
}

.phone span {
    font-size: 21px;
    font-weight: bold;
}

.contact-info p {
    color: #d9d9d9;
    font-size: 16px;
    margin: 10px 0;
}

.wechat {
    text-align: center;
}

.wechat img {
    width: 100px;
    height: 100px;
    margin-top: 10px;
}

.copyright {
    text-align: center;
    margin-top: 40px;
    color: #ccc;
    font-size: 13px;
}

.copyright a {
    color: #ccc;
    text-decoration: none;
}