/* 产品卡片 */
.product-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

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

.product-card h3 {
    margin: 20px 0 10px;
    font-size: 1.5rem;
    color: #333;
}

.product-card p {
    padding: 0 20px;
    margin-bottom: 20px;
    color: #666;
}

/* 社交媒体图标容器 */
.social-icons {
    display: flex;
    gap: 15px;
}

/* 时间线 */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 6px;
    background: linear-gradient(180deg, #2A5FCC, #4A7FDC, #2A5FCC);
    left: 50%;
    margin-left: -3px;
    border-radius: 3px;
    box-shadow: 0 0 10px rgba(42, 95, 204, 0.3);
}

.timeline-item {
    position: relative;
    margin-bottom: 60px;
    width: 100%;
    transition: all 0.3s ease;
}

.timeline-item:hover {
    transform: translateY(-5px);
}

.timeline-item:nth-child(odd) {
    padding-right: calc(50% + 40px);
    text-align: left;
}

.timeline-item:nth-child(even) {
    padding-left: calc(50% + 40px);
}

.timeline-year {
    position: absolute;
    width: 90px;
    height: 90px;
    left: 50%;
    top: 0;
    margin-left: -45px;
    background: linear-gradient(135deg, #2A5FCC, #4A7FDC);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: bold;
    box-shadow: 0 8px 25px rgba(42, 95, 204, 0.3);
    border: 4px solid white;
    transition: all 0.3s ease;
    z-index: 10;
}

.timeline-item:hover .timeline-year {
    transform: scale(1.1);
    box-shadow: 0 12px 35px rgba(42, 95, 204, 0.4);
}

.timeline-year.future {
    background: linear-gradient(135deg, #FF6B6B, #FF8E8E);
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.3);
}

.timeline-content {
    background: linear-gradient(135deg, white, #f8f9ff);
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-left: 4px solid #2A5FCC;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #2A5FCC, #4A7FDC);
    opacity: 0.1;
}

.timeline-item:hover .timeline-content {
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    transform: translateX(5px);
}

.timeline-content h3 {
    margin-top: 0;
    color: #2A5FCC;
    font-size: 1.4rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.timeline-content p {
    color: #555;
    line-height: 1.7;
    font-size: 1.05rem;
    margin-bottom: 0;
}

/* 联系方式项 */
.contact-item {
    text-align: center;
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background-color: #2A5FCC;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
}

.contact-icon svg {
    width: 30px;
    height: 30px;
}

.contact-item h3 {
    color: #2A5FCC;
    margin-bottom: 15px;
}