:root {
    --primary-color: #ffffff;
    --secondary-color: #f0f4f8;
    --text-color: #2d3748;
    --text-secondary: #4a5568;
    --accent-color: #2b6cb0;
    --border-color: #63b3ed;
    --hover-color: #4299e1;
}

/* 规则页面主体部分 */
.rule-section {
    background-color: var(--primary-color);
    padding: 30px;
    margin: 30px auto;
    border-radius: 18px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    max-width: 800px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateY(0);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.rule-section:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border-color: var(--border-color);
}

/* 规则头部样式 */
.rule-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.avatar-container {
    margin-right: 20px;
}

.rule-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    transition: transform 0.3s ease;
}

.rule-avatar:hover {
    transform: scale(1.1);
}

.rule-title {
    color: var(--accent-color);
    margin: 0;
    font-size: 24px;
    font-weight: 600;
    transition: font-size 0.2s ease;
}

.rule-title:hover {
    font-size: 26px;
}

/* 规则列表样式 */
.rule-list {
    list-style-type: decimal;
    padding-left: 20px;
    margin: 0;
}

.rule-list li {
    margin: 12px 0;
    line-height: 1.6;
    color: var(--text-secondary);
    padding: 8px 0;
    transition: transform 0.2s ease, color 0.2s ease, font-size 0.2s ease;
    cursor: pointer;
}

.rule-list li:hover {
    transform: translateX(5px);
    color: var(--text-color);
    font-size: 1.1em;
}

/* 页面标题样式 */
h1 {
    text-align: center;
    color: var(--accent-color);
    font-size: 48px;
    font-weight: 600;
    margin: 40px 0;
}

/* 提示框样式 */
.note {
    background-color: var(--primary-color);
    padding: 20px;
    border-radius: 18px;
    margin: 30px auto;
    max-width: 800px;
    text-align: center;
    font-size: 1.2em;
    color: var(--accent-color);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1), font-size 0.2s ease;
    transform: translateY(0);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.note:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border-color: var(--border-color);
    font-size: 1.3em;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .rule-section,
    .note {
        margin: 20px;
        padding: 20px;
    }

    h1 {
        font-size: 36px;
        margin: 30px 0;
    }

    .rule-title {
        font-size: 20px;
    }
}

/* 添加页面加载动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.rule-section {
    animation: fadeInUp 0.6s ease-out;
    animation-fill-mode: both;
}

.rule-section:nth-child(2) {
    animation-delay: 0.1s;
}

.rule-section:nth-child(3) {
    animation-delay: 0.2s;
}

.note {
    animation: fadeInUp 0.6s ease-out 0.3s;
    animation-fill-mode: both;
}