/* ========== 音游比赛 - 选择入口 ========== */
.entry-split {
    display: flex;
    align-items: stretch;
    gap: 0;
    margin-top: 1.5rem;
    min-height: 280px;
}

.entry-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2.5rem 1.5rem;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.25s, transform 0.15s;
    background: rgba(255,255,255,0.03);
}

.entry-card:hover {
    background: rgba(238,17,102,0.08);
    transform: translateY(-2px);
}

.entry-divider {
    width: 1px;
    background: linear-gradient(180deg, transparent, rgba(238,17,102,0.4) 30%, rgba(238,17,102,0.4) 70%, transparent);
    margin: 1rem 0;
    flex-shrink: 0;
}

.entry-icon {
    font-size: 2.8rem;
    margin-bottom: 1rem;
}

.entry-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.6rem;
}

.entry-desc {
    font-size: 0.82rem;
    color: var(--text-dim);
    line-height: 1.6;
    margin-bottom: 1.2rem;
    max-width: 220px;
}

.entry-btn {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--vbs);
    letter-spacing: 0.04em;
    transition: opacity 0.2s;
}

.entry-card:hover .entry-btn {
    opacity: 0.8;
}

/* 返回链接 */
.back-link {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-dim);
    cursor: pointer;
    transition: color 0.2s;
    margin-right: 0.5rem;
}

.back-link:hover {
    color: var(--vbs);
}

/* BP 密钥错误 */
.bp-error {
    color: #ff5555;
    font-size: 0.85rem;
    margin-top: 0.6rem;
}

/* 移动端竖排 */
@media (max-width: 600px) {
    .entry-split {
        flex-direction: column;
    }
    .entry-divider {
        width: 100%;
        height: 1px;
        margin: 0;
        background: linear-gradient(90deg, transparent, rgba(238,17,102,0.4) 30%, rgba(238,17,102,0.4) 70%, transparent);
    }
}