/* 关于我们部分 */
.about-section {
    background-color: #f9f9f9;
    padding: 80px 8%;
    position: relative;
}

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

.about-header {
    text-align: center;
    margin-bottom: 60px;
}

.about-header h2 {
    font-size: 36px;
    color: #2c3e50;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.about-header h2 span {
    display: block;
    font-size: 20px;
    color: #7f8c8d;
    margin-top: 10px;
}

.divider {
    width: 80px;
    height: 3px;
    background: linear-gradient(to right, #3498db, #2ecc71);
    margin: 0 auto;
    border-radius: 3px;
}

.about-content {
    display: flex;
    gap: 40px;
    margin-bottom: 60px;
    align-items: center;
}

.about-image {
    flex: 1;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.about-image:hover img {
    transform: scale(1.03);
}

.about-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.about-card {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.about-card h3 {
    color: #3498db;
    margin-bottom: 15px;
    font-size: 20px;
    display: flex;
    align-items: center;
}

.about-card h3 i {
    margin-right: 10px;
    font-size: 24px;
}

.about-card p {
    color: #555;
    line-height: 1.8;
}

.about-card ul {
    list-style: none;
    padding-left: 5px;
}

.about-card ul li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
    color: #555;
    line-height: 1.6;
}

.about-card ul li:before {
    content: "✓";
    color: #2ecc71;
    position: absolute;
    left: 0;
    font-weight: bold;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}

.feature-item {
    background: #fff;
    padding: 30px 20px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    background: linear-gradient(135deg, #3498db, #2ecc71);
    color: #fff;
}

.feature-item:hover h4,
.feature-item:hover p {
    color: #fff;
}

.feature-icon {
    font-size: 36px;
    font-weight: bold;
    color: #3498db;
    margin-bottom: 15px;
}

.feature-item:hover .feature-icon {
    color: #fff;
}

.feature-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #2c3e50;
}

.feature-item p {
    color: #7f8c8d;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .about-content {
        flex-direction: column;
    }

    .about-image, .about-text {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .about-header h2 {
        font-size: 28px;
    }

    .about-card {
        padding: 20px;
    }

    .about-features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .about-section {
        padding: 60px 5%;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .about-header h2 {
        font-size: 24px;
    }

    .about-header h2 span {
        font-size: 16px;
    }
}