/* 特色优势 */
.features {
    padding: 80px 20px;
    /* background: #f8f9fa; */
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
    border-top: 4px solid var(--primary-color);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(39, 174, 96, 0.2);
}

.feature-icon {
    font-size: 50px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 22px;
    color: #2c3e50;
    margin-bottom: 15px;
}

.feature-card p {
    color: #7f8c8d;
    line-height: 1.8;
}

/* 数据统计 */
.stats {
    padding: 80px 20px;
    background: var(--gradient-1);
    /* color: white; */
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

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

.stat-number {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 18px;
    opacity: 0.95;
}