/* style.css */

/* 全局样式 */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --info-color: #0dcaf0;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #0b5ed7;
}

img {
    max-width: 100%;
    height: auto;
}

/* 导航栏样式 */
.navbar-brand img {
    max-height: 40px;
}

.navbar-nav .nav-link {
    font-weight: 500;
    margin: 0 10px;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: #fff !important;
}

/* 轮播图样式 */
.carousel-item {
    height: 500px;
}

.carousel-item img {
    height: 100%;
    object-fit: cover;
}

.carousel-caption {
    background: rgba(0, 0, 0, 0.5);
    padding: 30px;
    border-radius: 10px;
}

/* 服务内容样式 */
.service-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

/* 服务流程样式 */
.process-step {
    position: relative;
    width: 120px;
    height: 120px;
    background: #fff;
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.step-number {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 30px;
    height: 30px;
    background: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

/* 案例展示样式 */
.case-card {
    transition: transform 0.3s ease;
    overflow: hidden;
}

.case-card:hover {
    transform: scale(1.05);
}

.case-card img {
    transition: transform 0.3s ease;
}

.case-card:hover img {
    transform: scale(1.1);
}

/* 客户评价样式 */
.testimonial-card {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    height: 100%;
}

.testimonial-content {
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 15px;
}

/* 新闻卡片样式 */
.news-card {
    transition: transform 0.3s ease;
    overflow: hidden;
}

.news-card:hover {
    transform: translateY(-5px);
}

.news-card img {
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.news-card:hover img {
    transform: scale(1.1);
}

/* 新闻详情样式 */
.news-detail {
    background: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.news-title {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 20px;
}

.news-meta {
    font-size: 0.9rem;
}

.news-content {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-top: 30px;
}

.news-content img {
    max-width: 100%;
    height: auto;
    margin: 20px 0;
}

.news-content h2,
.news-content h3,
.news-content h4 {
    margin-top: 30px;
    margin-bottom: 15px;
}

/* 评论样式 */
.comment-item {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
}

.comment-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

/* 团队介绍样式 */
.team-member {
    text-align: center;
    padding: 30px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
}

.team-avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin-bottom: 20px;
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    line-height: 40px;
    text-align: center;
    margin: 0 5px;
    transition: background 0.3s ease;
}

.social-links a:hover {
    background: #0b5ed7;
}

/* 联系信息样式 */
.contact-info {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    height: 100%;
}

.contact-item {
    display: flex;
    margin-bottom: 30px;
}

.contact-item i {
    font-size: 24px;
    margin-right: 15px;
    margin-top: 5px;
}

.contact-item h5 {
    margin-bottom: 5px;
}

/* 地图样式 */
.map-container {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.map-container iframe {
    width: 100%;
    height: 450px;
}

/* 时间线样式 */
.timeline {
    position: relative;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-year {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: #fff;
    padding: 10px 20px;
    border-radius: 20px;
    font-weight: bold;
}

.timeline-content {
    width: 45%;
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 标签云样式 */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag-cloud a {
    padding: 5px 15px;
    background: #e9ecef;
    color: #495057;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.tag-cloud a:hover {
    background: var(--primary-color);
    color: #fff;
}

/* 页脚样式 */
footer {
    background: var(--dark-color) !important;
}

footer h5 {
    margin-bottom: 20px;
}

footer ul {
    list-style: none;
    padding: 0;
}

footer ul li {
    margin-bottom: 10px;
}

footer a {
    color: #adb5bd;
    transition: color 0.3s ease;
}

footer a:hover {
    color: #fff;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .carousel-item {
        height: 300px;
    }
    
    .carousel-caption {
        padding: 15px;
    }
    
    .carousel-caption h1 {
        font-size: 1.5rem;
    }
    
    .process-step {
        width: 80px;
        height: 80px;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: column !important;
        padding-left: 60px;
    }
    
    .timeline-year {
        left: 30px;
        transform: translateX(-50%);
    }
    
    .timeline-content {
        width: 100%;
        margin-top: 20px;
    }
    
    .news-title {
        font-size: 1.8rem;
    }
}

/* 动画效果 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 自定义按钮样式 */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 10px 30px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
    transform: translateY(-2px);
}

.btn-outline-primary {
    padding: 8px 25px;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    transform: translateY(-2px);
}

/* 表单样式 */
.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: #0b5ed7;
    transform: translateY(-3px);
}