/* 表情包画廊专用样式 */
.emoji-gallery-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.emoji-header {
    text-align: center;
    margin: 40px 0 50px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.emoji-header h1 {
    font-size: 2.8rem;
    color: var(--accent-color);
    margin-bottom: 10px;
    text-shadow: 0 0 10px rgba(255, 240, 0, 0.3);
}

.emoji-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
}

.emoji-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-bottom: 60px;
}

.emoji-card {
    background: var(--bg-card);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.emoji-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(255, 240, 0, 0.2);
    border-color: var(--accent-color);
}

.emoji-img-container {
    width: 100%;
    /* 关键修改：使用aspect-ratio实现1:1正方形 */
    aspect-ratio: 1 / 1;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-secondary);
    /* 添加圆角只到图片容器顶部 */
    border-radius: 12px 12px 0 0;
}

.emoji-img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 使用cover确保图片填满容器并保持比例 */
    transition: transform 0.5s ease;
}

.emoji-card:hover .emoji-img {
    transform: scale(1.05);
}

.emoji-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.emoji-content h3 {
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-size: 1.3rem;
    text-align: center;
}

.emoji-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    text-align: center;
    line-height: 1.5;
    flex-grow: 1;
}

.emoji-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
    justify-content: center;
}

.emoji-tag {
    background: rgba(255, 240, 0, 0.1);
    color: var(--accent-color);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    border: 1px solid rgba(255, 240, 0, 0.3);
}

.back-link {
    display: inline-flex;
    align-items: center;
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    margin: 20px auto 40px;
    justify-content: center;
    max-width: 200px;
}

.back-link:hover {
    background: var(--accent-color);
    color: #333;
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.back-link i {
    margin-right: 8px;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .emoji-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .emoji-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 600px) {
    .emoji-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .emoji-header h1 {
        font-size: 2.2rem;
    }
}