/* 响应式样式 */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 1rem;
    }
    .search-bar {
        width: 100%;
    }
    .gallery {
        margin-right: 0;
    }
    .ranking-module {
        position: static;
        margin: 10px 0;
        width: 100%;
        max-width: 100%;
        border-radius: 0;
        box-shadow: none;
        background: transparent;
    }
    .modal-content {
        width: 95vw !important;
        min-width: 0 !important;
        max-width: 98vw !important;
        margin: 30% auto !important;
        padding: 18px 8px !important;
        border-radius: 10px !important;
        font-size: 1rem !important;
    }
    .modal input,
    .modal button {
        font-size: 1rem !important;
        padding: 10px !important;
    }
    #authModal h2 {
        font-size: 1.2rem !important;
    }
    .switch-link {
        font-size: 0.95rem !important;
    }
}

@media (max-width: 900px) {
    .side-rankings {
        position: static;
        flex-direction: row;
        width: 100vw;
        max-width: 100vw;
        justify-content: center;
        gap: 10px;
        margin-bottom: 10px;
        pointer-events: auto;
    }
    .side-rankings .ranking-module {
        width: 100vw;
        min-width: 0;
        max-width: 100vw;
        margin: 0 2px;
        border-radius: 12px;
        padding: 10px 6px 6px 10px;
    }
    .gallery {
        grid-template-columns: 1fr;
        min-width: 0;
        width: 100vw;
        max-width: 100vw;
        padding-left: 6px;
        padding-right: 6px;
    }
    .container {
        max-width: 100vw;
        width: 100vw;
        padding-left: 6px;
        padding-right: 6px;
        box-sizing: border-box;
    }
    .comment-module {
        min-width: 0;
        width: 100vw;
        max-width: 100vw;
        box-sizing: border-box;
        margin-left: 0;
        margin-right: 0;
        border-radius: 12px;
        padding-left: 6px;
        padding-right: 6px;
    }
}

@media (max-width: 1200px) {
    .all-images-grid { column-count: 4; }
}
@media (max-width: 900px) {
    .all-images-grid { column-count: 3; }
}
@media (max-width: 600px) {
    .all-images-grid { column-count: 2; }
}
@media (max-width: 400px) {
    .all-images-grid { column-count: 1; }
}