/* 产业游学主内容区域 */
.industry-study-hero {
    padding: 180px 0 100px;
    background: linear-gradient(rgba(13, 35, 64, 0.85), rgba(13, 35, 64, 0.9)), 
                url('https://images.unsplash.com/photo-1497366754035-f200968a6e72?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 25px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 22px;
    opacity: 0.9;
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 60px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 42px;
    font-weight: 700;
    color: var(--secondary);
    display: block;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 16px;
    opacity: 0.8;
}

/* 项目介绍部分 */
.program-intro {
    padding: 100px 0;
    background-color: #f9fafc;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 20px;
    color: var(--gray);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
    line-height: 1.6;
}

.program-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.program-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.program-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.card-image {
    height: 220px;
    background-size: cover;
    background-position: center;
}

.card-content {
    padding: 30px;
}

.card-category {
    display: inline-block;
    background: rgba(212, 175, 55, 0.1);
    color: var(--secondary);
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 15px;
}

.card-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 15px;
    line-height: 1.3;
}

.card-description {
    color: var(--gray);
    margin-bottom: 25px;
    line-height: 1.6;
}

.card-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid #eee;
}

.duration, .location {
    display: flex;
    align-items: center;
    color: var(--gray);
    font-size: 15px;
}

.duration i, .location i {
    margin-right: 8px;
    color: var(--accent);
}

.card-price {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

/* 目的地介绍 */
.destinations-section {
    padding: 100px 0;
}

.destination-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.destination-card {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    height: 400px;
    cursor: pointer;
}

.destination-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.destination-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(13, 35, 64, 0.9));
    padding: 30px;
    color: white;
}

.destination-name {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 10px;
}

.destination-tag {
    display: inline-block;
    background: var(--secondary);
    color: var(--primary);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 15px;
}

/* 游学流程 */
.process-section {
    padding: 100px 0;
    background-color: #f9fafc;
}

.process-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-top: 60px;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--secondary));
    z-index: 1;
}

.process-step {
    position: relative;
    z-index: 2;
    text-align: center;
    width: 20%;
}

.step-number {
    width: 80px;
    height: 80px;
    background: white;
    border: 3px solid var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 700;
    color: var(--accent);
    margin: 0 auto 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.step-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 15px;
}

.step-description {
    color: var(--gray);
    font-size: 15px;
    line-height: 1.5;
}

/* CTA区域 */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary), #0d2340);
    color: white;
    text-align: center;
}

.cta-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 25px;
}

.cta-description {
    font-size: 20px;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}
/* 响应式设计 */
@media (max-width: 1100px) {
    .header-container {
        padding: 0 30px;
    }
    
    .nav-item {
        margin-left: 30px;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .process-steps {
        flex-wrap: wrap;
        justify-content: center;
        gap: 40px;
    }
    
    .process-step {
        width: 45%;
        margin-bottom: 30px;
    }
    
    .process-steps::before {
        display: none;
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: 0 20px;
    }
    
    .nav-main {
        display: none;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .section-subtitle {
        font-size: 18px;
    }
    
    .program-cards {
        grid-template-columns: 1fr;
    }
    
    .destination-grid {
        grid-template-columns: 1fr;
    }
    
    .process-step {
        width: 100%;
    }
    
    .cta-title {
        font-size: 32px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .site-footer {
        padding: 60px 20px 30px;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .stat-number {
        font-size: 32px;
    }
    
    .card-title {
        font-size: 20px;
    }
}