/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏样式 */
.navbar {
    transition: all 0.3s ease;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
}

.navbar-brand i {
    color: #007bff;
}

.nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #007bff !important;
}

/* 主横幅区域 */
.hero-section {
    height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: relative;
    height: 100%;
}

.hero-content {
    color: white;
    z-index: 2;
    position: relative;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.data-visualization {
    text-align: center;
}

.chart-container {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

/* 解决方案部分 */
.solution-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.solution-icon {
    margin-bottom: 1.5rem;
}

.icon-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.solution-card h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.solution-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.solution-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.badge {
    font-size: 0.8rem;
    padding: 0.5rem 1rem;
}

/* 数据洞察部分 */
.insight-card {
    transition: all 0.3s ease;
}

.insight-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.insight-header {
    border-bottom: 1px solid #e9ecef;
    padding-bottom: 1rem;
}

.insight-header h4 {
    margin: 0;
    color: #333;
}

.insight-header p {
    margin: 0;
    font-size: 0.9rem;
}

.insight-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.insight-stats {
    margin-top: 1.5rem;
}

.stat-number {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
}

/* 客户案例部分 */
.case-card {
    transition: all 0.3s ease;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.case-image {
    border-radius: 15px 15px 0 0;
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-content h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.case-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.case-results {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.result-item {
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    color: #666;
}

.result-item i {
    margin-right: 0.5rem;
    font-size: 1rem;
}

/* 关于我们部分 */
.about-visual {
    text-align: center;
}

.team-collaboration {
    transition: all 0.3s ease;
}

.team-collaboration:hover {
    transform: scale(1.05);
}

.team-collaboration i {
    color: #007bff;
    margin-bottom: 1rem;
}

.team-collaboration h5 {
    color: #333;
    margin-bottom: 1rem;
}

.team-collaboration p {
    color: #666;
    line-height: 1.6;
}

.company-stats {
    margin-top: 2rem;
}

.stat-item h3 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: #666;
    font-size: 0.9rem;
}

/* 页脚 */
.footer {
    background: #2c3e50;
    color: white;
}

.footer h5, .footer h6 {
    color: #007bff;
    margin-bottom: 1.5rem;
}

.footer p {
    color: #bdc3c7;
    line-height: 1.6;
}

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

.footer ul li {
    margin-bottom: 0.8rem;
}

.footer a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: #007bff;
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: rgba(0, 123, 255, 0.2);
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    margin-right: 0.5rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #007bff;
    transform: translateY(-2px);
}

.honors {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.honor-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.honor-item i {
    color: #f39c12;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 2rem;
}

.beian a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.beian a:hover {
    color: #007bff;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .solution-features {
        justify-content: center;
    }
    
    .insight-stats .row {
        text-align: center;
    }
    
    .footer-bottom {
        text-align: center;
    }
    
    .footer-bottom .row {
        flex-direction: column;
        gap: 1rem;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.solution-card,
.insight-card,
.case-card {
    animation: fadeInUp 0.6s ease forwards;
}

.solution-card:nth-child(2) {
    animation-delay: 0.2s;
}

.solution-card:nth-child(3) {
    animation-delay: 0.4s;
}

/* 按钮样式增强 */
.btn {
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background: #0056b3;
    border-color: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 123, 255, 0.3);
}

.btn-outline-primary {
    color: #007bff;
    border-color: #007bff;
}

.btn-outline-primary:hover {
    background: #007bff;
    border-color: #007bff;
    transform: translateY(-2px);
}

.btn-outline-light:hover {
    background: white;
    color: #333;
    transform: translateY(-2px);
}