/* ==================== 用户指南响应式样式 ==================== */

/* 移动端优先设计 */
.content-section {
    padding: 60px 0;
}

.content-wrapper {
    display: flex;
    gap: 0;
    flex-direction: column;
}

@media (min-width: 768px) {
    .content-wrapper {
        flex-direction: row;
        gap: 40px;
    }
}

/* 响应式布局容器 */
.responsive-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

@media (max-width: 768px) {
    .responsive-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .responsive-grid {
        gap: 10px;
    }
}

/* 响应式侧边导航 */
.guide-nav {
    position: sticky;
    top: 80px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    background: #ffffff;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.guide-nav h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #333;
    padding-bottom: 10px;
    border-bottom: 2px solid #f0f0f0;
}

.guide-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.guide-nav li {
    margin-bottom: 8px;
}

.guide-nav a {
    display: block;
    padding: 12px 15px;
    text-decoration: none;
    color: #666;
    border-radius: 6px;
    transition: all 0.3s ease;
    font-size: 14px;
}

.guide-nav a:hover {
    background: #f8f9fa;
    color: #333;
    padding-left: 20px;
}

.guide-nav a.active {
    background: #667eea;
    color: white;
    font-weight: 500;
}

/* 主内容区域 */
.main-content {
    flex: 1;
    min-width: 0;
}

/* 响应式功能卡片 */
.feature-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.feature-card h4 {
    font-size: 16px;
    margin-bottom: 10px;
}

@media (max-width: 480px) {
    .feature-card {
        padding: 15px;
    }

    .feature-card h4 {
        font-size: 14px;
    }
}

/* 响应式规则示例卡片 */
.rule-example {
    padding: 15px;
    border-radius: 8px;
    margin: 15px 0;
    border-left-width: 4px;
}

@media (max-width: 480px) {
    .rule-example {
        padding: 12px;
        margin: 12px 0;
    }
}

/* 响应式列表 */
.responsive-list {
    padding-left: 20px;
}

.responsive-list li {
    margin-bottom: 12px;
    line-height: 1.8;
}

@media (max-width: 480px) {
    .responsive-list {
        padding-left: 15px;
    }

    .responsive-list li {
        margin-bottom: 10px;
        line-height: 1.6;
    }
}

/* 平滑滚动 */
* {
    scroll-behavior: smooth;
}

/* 移动端优化 */
@media (max-width: 768px) {
    .content-wrapper {
        gap: 20px;
    }

    .guide-nav {
        position: static;
        max-height: none;
        overflow-y: visible;
        order: -1;
        margin-bottom: 20px;
    }

    .guide-nav h4 {
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .page-header h1 {
        font-size: 32px;
    }

    .page-header p {
        font-size: 16px;
    }

    .content-section {
        padding: 40px 0;
    }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    .guide-nav a {
        padding: 16px 20px;
    }

    .feature-card,
    .rule-example {
        padding: 24px;
    }
}

/* 暗色模式支持 */
@media (prefers-color-scheme: dark) {
    .guide-nav {
        background: #1a1a1a;
        color: #e5e5e5;
    }

    .guide-nav h4 {
        color: #e5e5e5;
        border-bottom-color: #2a2a2a;
    }

    .guide-nav a {
        color: #a0a0a0;
    }

    .guide-nav a:hover {
        background: #2a2a2a;
        color: #ffffff;
    }

    .guide-nav a.active {
        background: #667eea;
        color: white;
    }

    .feature-card {
        background: #2a2a2a;
        color: #e5e5e5;
    }
}

/* 打印样式 */
@media print {
    .guide-nav {
        display: none;
    }

    .content-wrapper {
        flex-direction: column;
    }

    .content-section {
        padding: 20px 0;
    }
}