/* 外层 */
.advantages {
    text-align: center;
    padding: 80px 0;
}

.advantages h2 {
    font-size: 2em;
    color: #333;
    margin-bottom: 40px;
}

/* 卡片网格 */
.advantage-container {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(3, 1fr);
}

/* 卡片 */
.advantage-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    padding: 20px;
    text-align: center;
    transition: .3s;
    display: flex;
    flex-direction: column;
}

.advantage-card h3 {
    font-size: 1.2em;
    margin-bottom: 10px;
}

.advantage-card p {
    color: #666;
    font-size: .9em;
    margin-bottom: 15px;
}

/* 按钮固定到底部 */
.advantage-card .more-btn {
    margin-top: auto;
    background: #f39a1d;
}

/* 响应式 */
@media (max-width: 900px) {
    .advantage-container { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
    .advantage-container { grid-template-columns: 1fr; }
}