/* ====== 学习首页面板 ====== */

/* 响应式网格：桌面 3 列 → 平板 2 列 → 手机 1 列 */
.learn-panels {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    padding: 24px 0;
}

/* 单张卡片 */
.learn-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: #fff;
    border-radius: 6px;
    border: 1px solid #F2F2F2;
    padding: 32px 24px 24px;
    text-decoration: none;
    color: #333;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.learn-panel:hover {
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(45, 169, 250, 0.15);
    transform: translateY(-2px);
}

.learn-panel-icon {
    font-size: 42px;
    line-height: 1;
    margin-bottom: 16px;
}

.learn-panel-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
}

.learn-panel-title {
    font-size: 18px;
    font-weight: bold;
    color: #222;
}

.learn-panel-desc {
    font-size: 14px;
    color: #555;
    line-height: 1.6;
    max-width: 360px;
}

.learn-panel-btn {
    font-size: 13px;
    color: #2DA9FA;
    border: 1px solid #2DA9FA;
    border-radius: 4px;
    padding: 6px 24px;
    white-space: nowrap;
    background: #fff;
    transition: background 0.2s, color 0.2s;
}
.learn-panel:hover .learn-panel-btn {
    background: #2DA9FA;
    color: #fff;
}

/* 平板：2 列 */
@media (max-width: 992px) {
    .learn-panels {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }
    .learn-panel {
        padding: 24px 18px;
    }
}

/* 手机：1 列 */
@media (max-width: 768px) {
    .learn-panels {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 16px 0;
    }
    .learn-panel {
        flex-direction: row;
        flex-wrap: wrap;
        text-align: left;
        padding: 16px;
    }
    .learn-panel-icon {
        font-size: 32px;
        margin-bottom: 0;
        margin-right: 12px;
    }
    .learn-panel-body {
        flex: 1;
        align-items: flex-start;
        margin-bottom: 0;
        min-width: 0;
    }
    .learn-panel-btn {
        width: 100%;
        text-align: center;
        margin-top: 12px;
        order: 4;
    }
}