body {
    padding: 20px;
    background-color: #f5f5f5;
    overflow-y: scroll;
    margin: 0;
}
a {
    text-decoration: none;
}

/* 返回主页按钮 */
.back-home {
    position: fixed;
    top: 20px;
    left: 20px;
    padding: 10px 18px;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    z-index: 1000;
}
#homeButton:hover {
    background: linear-gradient(135deg, #2a5298, #3a6bc5);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

/* 标题样式 */
h1 {
    text-align: center;
    margin: 0 0 15px;
    font-size: 2.2rem;
    background: linear-gradient(90deg, #4dabf7, #228be6);
    background-clip: text;
    color: transparent;
}

/* 游戏分类样式 */
.category {
    margin-bottom: 22px;
    padding: 0 15px;
    box-sizing: border-box;
}
.category-title {
    max-width: 1200px;
    margin: 0 auto 8px;
    padding-left: 12px;
    font-size: 20px;
    font-weight: 600;
    border-left: 4px solid transparent;
    box-sizing: border-box;
}


.category-title.puzzle {
    color: #4a90e2;
    border-color: #4a90e2;
}
.category-title.level {
    color: #ff6b6b;
    border-color: #ff6b6b;
}
.category-title.relax {
    color: #2ecc71;
    border-color: #2ecc71;
}
.category-title.luck {
    color: #f1c40f;
    border-color: #f1c40f;
}
.category-title.arcade {
    color: #ff7a18;
    border-color: #ff7a18;
}
.category-title.battle {
    color: #9b59b6;
    border-color: #9b59b6;
}
.category-title.uncategorized {
    color: #7f8c8d;
    border-color: #bdc3c7;
    opacity: 0.9;
}

/* 按钮网格样式 */
.button-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    max-width: 1200px;
    margin: auto;
}
.button-grid a {
    position: relative;
    display: block;
    padding: 15px 10px;
    background: linear-gradient(145deg, rgba(30, 60, 114, 0.9), rgba(20, 30, 48, 0.9));
    color: white;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(100, 150, 255, 0.1);
    max-width: 100%;
    font-size: 1.1rem;
}
.button-grid a:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    background: linear-gradient(145deg, rgba(40, 80, 150, 0.95), rgba(30, 50, 80, 0.95));
    border-color: rgba(100, 150, 255, 0.3);
}
.author {
    position: absolute;
    right: 6px;
    bottom: 2px;
    font-size: 11px;
    opacity: 0.8;
    pointer-events: none;
}
.note {
    position: absolute;
    right: 6px;
    top: 2px;
    font-size: 12px;
    background: rgba(0, 0, 0, 0.3);
    padding: 1px 4px;
    border-radius: 4px;
}

/* 免责声明样式 */
.disclaimer {
    font-size: 0.9em;
    color: #888;
    text-align: center;
    margin-bottom: 30px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    body {
        padding: 5px;
    }

    .back-home {
        top: 10px;
        left: 10px;
        padding: 6px 12px;
        font-size: 14px;
    }

    h1 {
        font-size: 1.8rem;
    }

    .category {
        margin-bottom: 10px;
    }
    .category-title {
        font-size: 18px;
        margin-bottom: 6px;
    }
}
@media (max-width: 480px) {
    .category-title {
        max-width: 240px;
    }

    .button-grid {
        grid-template-columns: 1fr;
        max-width: 240px;
    }
}