/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    padding-top: 70px;
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 导航栏样式 */
.navbar {
    background-color: #343a40;
    color: white;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 0;
}

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

.navbar-brand {
    color: white;
    text-decoration: none;
    font-size: 20px;
    font-weight: bold;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 20px;
}

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

.nav-links a:hover {
    color: #adb5bd;
}

/* 主内容样式 */
.phone-header {
    margin-bottom: 30px;
}

.phone-header p:last-child {
    font-size: 14px;
    margin-top: 5px;
}

.phone-number {
    font-size: 28px;
    font-weight: bold;
    color: #007bff;
    margin: 15px 0;
    display: inline-block;
    cursor: pointer;
}

.phone-info {
    margin: 10px 0;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 5px;
}

.phone-info p {
    margin: 8px 0;
}

/* 操作按钮样式 */
.action-buttons {
    margin: 20px 0;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-primary {
    background-color: #007bff;
    color: white;
}

.btn-primary:hover {
    background-color: #0056b3;
}

/* 分页样式 */
.pagination {
    display: flex;
    list-style: none;
    padding: 20px 0;
    justify-content: center;
    gap: 5px;
    flex-wrap: wrap;
}

.pagination li a {
    padding: 8px 12px;
    text-decoration: none;
    color: #007bff;
    border: 1px solid #dee2e6;
    border-radius: 3px;
    transition: all 0.3s;
}

.pagination li a:hover {
    background-color: #007bff;
    color: white;
}

/* 页脚样式 */
.footer {
    background-color: #343a40;
    color: white;
    padding: 30px 0;
    margin-top: 50px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

.footer-links {
    margin: 20px 0;
}

.footer-links a {
    color: #adb5bd;
    text-decoration: none;
    margin: 0 10px;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: white;
}

.copyright {
    margin-top: 20px;
    color: #adb5bd;
    font-size: 14px;
}

/* 信息部分样式 */
.info-section {
    margin: 40px 0;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 8px;
}

/* 返回顶部按钮 */
#backToTop {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 20px;
    cursor: pointer;
    display: none;
    transition: background-color 0.3s;
    z-index: 999;
}

#backToTop:hover {
    background-color: #0056b3;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .navbar-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-links {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
}