.search-card {
    background-image: url('/img/sousuobeijing.jpg');
    background-size: cover;
    background-position: center;
    border-radius: 6px;
    position: relative;
    overflow: hidden;
}

.hover-primary:hover {
    color: var(--primary) !important;
    transition: color 0.2s ease;
}

.music-note {
    position: absolute;
    color: rgba(255, 255, 255, 0.7);
    font-size: 16px;
    user-select: none;
    pointer-events: none;
    animation: float-up 4s ease-in-out forwards;
}

@keyframes float-up {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) rotate(20deg);
        opacity: 0;
    }
}

@media (max-width: 576px) {
    .search-card {
        height: 180px !important;
    }
    h2 {
        font-size: 1.2rem !important;
        margin-bottom: 0.5rem !important;
    }
    #searchForm .input-group {
        height: 38px !important;
    }
    .hot-search span,
    .hot-search a {
        font-size: 0.8rem !important;
    }
    .music-note {
        font-size: 12px;
    }
}