/* 功能介绍页面专用样式 */
.feature-card {
    border-left: 4px solid #3498db;
    position: relative;
    overflow: hidden;
}

.feature-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.05));
    transition: right 0.5s;
}

.feature-card:hover::after {
    right: 0;
}

.feature-card.platform {
    border-left-color: #3498db;
}

.feature-card.platform .tag {
    background: #3498db;
}

.feature-card.tenant {
    border-left-color: #e74c3c;
}

.feature-card.tenant .tag {
    background: #e74c3c;
}

.feature-card.merchant {
    border-left-color: #f39c12;
}

.feature-card.merchant .tag {
    background: #f39c12;
}

.feature-card.technician {
    border-left-color: #9b59b6;
}

.feature-card.technician .tag {
    background: #9b59b6;
}

.feature-card.user {
    border-left-color: #1abc9c;
}

.feature-card.user .tag {
    background: #1abc9c;
}

.feature-card.channel {
    border-left-color: #34495e;
}

.feature-card.channel .tag {
    background: #34495e;
}

.feature-card h3 {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 15px;
}

.feature-card h3 i {
    font-size: 36px;
    transition: transform 0.3s;
}

.feature-card:hover h3 i {
    transform: scale(1.1) rotate(-5deg);
}

.feature-card .tag {
    display: inline-block;
    background: #3498db;
    color: #fff;
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.3px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.feature-card > p {
    font-size: 14px;
    font-style: italic;
    margin-bottom: 20px;
    padding-left: 4px;
    border-left: 3px solid #f0f0f0;
}