/* ========================================
 * 法律内容页面样式表 (narongye.css)
 * 用途：离婚法律知识内容页面专用样式
 * 作者：Legal Content Styling
 * 版本：优化版本
 * ======================================== */

/* ========== CSS自定义属性（设计令牌） ========== */
:root {
    /* 品牌色 */
    --color-primary: #1890ff;
    --color-primary-dark: #0050b3;
    --color-success: #52c41a;
    --color-warning: #fa8c16;
    --color-danger: #f5222d;
    --color-text: #333;
    --color-text-light: #666;
    --color-bg: #f8f9fa;
    --color-white: #ffffff;
    
    /* 间距系统 */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 20px;
    --spacing-xl: 24px;
    --spacing-xxl: 32px;
    
    /* 边框半径 */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 10px;
    
    /* 阴影 */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 3px 6px rgba(0,0,0,0.08);
    --shadow-lg: 0 5px 15px rgba(0,0,0,0.12);
    
    /* 动画时间 */
    --transition-fast: 0.15s;
    --transition-normal: 0.3s;
    --transition-slow: 0.5s;
}

/* ========== 基础样式重置与通用设置 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.article-body {
    line-height: 1.8;
    font-size: 17px;
    color: var(--color-text);
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background-color: var(--color-bg);
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.article-body > p:first-of-type {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: var(--spacing-lg);
    flex-direction: row !important; /* 强制保持横向 */
}

.article-body > p:first-of-type a {
    white-space: nowrap;
}


/* ========== 页面组件样式 ========== */

/* 头部 Header */
.success-case-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--spacing-xxl);
    margin: 0 calc(-1 * var(--spacing-xl)) var(--spacing-xxl);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.success-case-header:before {
    content: "";
    position: absolute;
    top: -50%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
}

.case-tag {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    border: 1px solid rgba(255,255,255,0.3);
    padding: 6px 16px;
    border-radius: 20px;
    margin: 0 8px 12px;
    font-size: 0.9em;
}

/* 核心摘要 Core Summary */
.core-summary {
    background-color: #fff8f0;
    border-left: 5px solid var(--color-warning);
    padding: 22px;
    margin: 28px 0;
    font-size: 1.08em;
    line-height: 1.75;
    box-shadow: var(--shadow-sm);
    border-radius: var(--radius-md);
}

/* 标题样式 Titles */
.section-title-large {
    color: #2c3e50;
    border-bottom: 3px solid #3498db;
    padding-bottom: 12px;
    margin-top: 45px;
    margin-bottom: 25px;
    font-size: 1.6em;
    font-weight: 600;
}

.sub-title-large {
    color: #1a5fb4;
    margin-top: 28px;
    margin-bottom: 15px;
    font-size: 1.25em;
    font-weight: 600;
}

/* 卡片组件 Cards */
.case-card,
.system-card,
.strategy-card,
.feature-card,
.dimension,
.conclusion-call {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal) ease, 
                box-shadow var(--transition-normal) ease;
}

.strategy-card,
.feature-card {
    border-top: 4px solid var(--color-primary);
    height: 100%;
}

.case-card:hover,
.system-card:hover,
.strategy-card:hover,
.feature-card:hover,
.dimension:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.border-left-primary { border-left: 4px solid var(--color-primary); }
.border-left-success { border-left: 4px solid var(--color-success); }
.border-left-warning { border-left: 4px solid var(--color-warning); }
.border-left-danger { border-left: 4px solid var(--color-danger); }
.border-left-info { border-left: 4px solid #17a2b8; }
.border-left-dark { border-left: 4px solid #343a40; }

.strategy-icon,
.step-icon {
    font-size: 2em;
    margin-bottom: var(--spacing-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* 网格系统 Grid System */
.grid-container,
.dimension-box,
.strategy-grid,
.legal-system-grid,
.strategy-showcase,
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
    gap: clamp(var(--spacing-sm), 2vw, var(--spacing-lg));
    margin: var(--spacing-xl) 0;
}

.dimension-box {
    display: flex;
    flex-wrap: wrap;
}

/* 列表与流程 Lists & Flows */
.evidence-list,
.result-list,
.icon-list {
    background: linear-gradient(135deg, #f6ffed 0%, #f0fff3 100%);
    border: 2px solid #b7eb8f;
    padding: var(--spacing-xl);
    margin: var(--spacing-xxl) 0;
    border-radius: var(--radius-xl);
}

.evidence-item,
.result-item,
.icon-item,
.process-step {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px dashed #95de64;
}

.evidence-item:last-child,
.result-item:last-child,
.icon-item:last-child,
.process-step:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.evidence-number,
.flow-item-number,
.step-icon {
    background: var(--color-success);
    color: var(--color-white);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: var(--spacing-md);
    flex-shrink: 0;
    font-weight: bold;
}

.step-icon {
    width: 36px;
    height: 36px;
    background: var(--color-primary);
}

.bulleted-list,
.numbered-list {
    list-style: none;
    padding-left: 0;
}

.bulleted-list li,
.numbered-list li {
    position: relative;
    padding-left: 30px;
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
    list-style-type: none; /* 确保禁用原生圆点 */
}

.bulleted-list li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-size: 1.5em;
    line-height: 1;
}

/* 流程布局 Process Flow */
.process-flow {
    background: linear-gradient(135deg, #f8faff 0%, #f0f4ff 100%);
    border: 2px solid #d6e4ff;
    padding: var(--spacing-xl);
    margin: var(--spacing-xxl) 0;
    border-radius: var(--radius-xl);
    position: relative;
}

/* 对比表格与卡片 Comparison */
.comparison-table,
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 25px 0;
    font-size: 0.95em;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background: var(--color-white);
}

.comparison-table thead,
.data-table th {
    background-color: #2c3e50;
    color: var(--color-white);
    text-align: left;
}

.comparison-table th,
.comparison-table td,
.data-table th,
.data-table td {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid #e9ecef;
}

.feature-true {
    color: #2e8b57;
    font-weight: 600;
    background-color: rgba(46, 139, 87, 0.1);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

.feature-false {
    color: var(--color-danger);
    font-weight: 600;
    background-color: rgba(245, 34, 45, 0.1);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

/* 提示与警告 Alerts */
.alert-box,
.caution-box,
.tip-box,
.note-box {
    padding: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    border-radius: var(--radius-md);
    border-left: 4px solid;
}

.alert-info, .tip-box { border-left-color: #17a2b8; background-color: #d1ecf1; }
.alert-success { border-left-color: var(--color-success); background-color: #d4edda; }
.alert-warning { border-left-color: var(--color-warning); background-color: #fff3cd; }
.alert-danger, .caution-box { border-left-color: var(--color-danger); background-color: #f8d7da; }

/* ========== FAQ 问答系统 ========== */
.faq-container {
    margin: var(--spacing-xxl) 0;
}

.faq-item {
    background: var(--color-white);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid #eee;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.faq-question {
    padding: var(--spacing-lg);
    background: #fff;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    user-select: none;
    transition: background-color var(--transition-fast);
}

.faq-question:hover {
    background-color: #f0f7ff;
}

.faq-question span:last-child {
    transition: transform var(--transition-normal);
    color: var(--color-primary);
}

.faq-answer {
    display: none; /* 默认隐藏 */
    padding: var(--spacing-lg);
    background-color: #fafafa;
    border-top: 1px solid #eee;
}

.faq-answer.active {
    display: block; /* 激活时显示 */
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-item.active .faq-question span:last-child {
    transform: rotate(180deg);
}

.faq-item.active .faq-question {
    color: var(--color-primary);
    background-color: #f0f7ff;
}

.faq-item.active .faq-question span:last-child {
    transform: rotate(180deg);
}

/* ========== 响应式与交互优化 Responsive & Interactions ========== */

/* 移动端通用优化 (Tablet/Mobile) */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 16px;
        --spacing-xl: 18px;
        --spacing-xxl: 24px;
    }
    
    .article-body { padding: var(--spacing-md); }
    
    /* 模块全宽化 */
    .grid-container, .dimension-box, .strategy-grid, .legal-system-grid, .strategy-showcase, .feature-grid,
    .core-summary, .lawyer-profile, .process-flow, .outcome-highlight, .legal-basis-card, .faq-container {
        width: 100% !important;
        margin: var(--spacing-lg) 0 !important;
        padding: var(--spacing-lg) !important;
        grid-template-columns: 1fr !important;
    }

    .success-case-header { margin: 0 -20px var(--spacing-xl); padding: var(--spacing-xl); }
    .success-case-header:before { display: none; }

    /* 列表项垂直排列 */
    .evidence-item, .result-item, .icon-item, .process-step {
        flex-direction: column !important;
        align-items: flex-start !important;
    }
    
    .icon-with-text {
        flex-direction: row; /* 保持横向，除非明确需要纵向 */
    }

    .evidence-number, .result-icon, .evidence-icon, .step-icon, .icon-with-text .icon {
        margin-right: 0 !important;
        margin-bottom: var(--spacing-xs) !important;
    }

    /* 对比表格转卡片 */
    .comparison-table { display: none !important; }
    .comparison-container { display: block !important; }

    /* 标题与文字缩放 */
    .section-title-large { font-size: 1.4em; }
    .sub-title-large { font-size: 1.15em; }
}

/* 小屏幕优化 (Small Mobile) */
@media (max-width: 480px) {
    :root {
        --spacing-md: 10px;
        --spacing-lg: 14px;
    }
    .article-body { font-size: 15px; line-height: 1.6; }
    .section-title-large { font-size: 1.3em; }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    .case-card:active, .strategy-card:active, .feature-card:active, .faq-item:active {
        transform: scale(0.98);
    }
    .faq-question, button, a { min-height: 44px; display: flex; align-items: center; }
}

/* 可访问性与系统偏好 */
a:focus, button:focus, .faq-question:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
}

@media (prefers-contrast: high) {
    .article-body { color: #000; background: #fff; }
    a { color: #0000ee; text-decoration: underline; }
}

/* 辅助类 */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

   .process-flow {
            background: linear-gradient(135deg, #f8faff 0%, #f0f4ff 100%);
            border: 2px solid #d6e4ff;
            padding: var(--spacing-xl);
            margin: var(--spacing-xxl) 0;
            border-radius: var(--radius-xl);
            position: relative;
        }
        .process-step {
            display: flex;
            align-items: flex-start;
            margin-bottom: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
            border-bottom: 1px dashed #adc6ff;
        }
        .process-step:last-child {
            border-bottom: none;
            margin-bottom: 0;
        }
        .step-icon {
            background: #1890ff;
            color: white;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: var(--spacing-md);
            flex-shrink: 0;
            font-weight: bold;
            font-size: 1.1em;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--spacing-lg);
            margin: var(--spacing-xl) 0;
        }
        .feature-card {
            background: white;
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-md);
            border-top: 4px solid;
            transition: transform 0.3s ease;
            height: 100%;
        }
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        .card-1 { border-top-color: #1890ff; }
        .card-2 { border-top-color: #52c41a; }
        .card-3 { border-top-color: #fa8c16; }
        .card-4 { border-top-color: #722ed1; }
        .material-list {
            background: #f6ffed;
            border: 1px solid #b7eb8f;
            padding: var(--spacing-lg);
            margin: var(--spacing-lg) 0;
            border-radius: var(--radius-md);
        }
        .cost-breakdown {
            background: #fff7e6;
            border: 1px solid #ffd591;
            padding: var(--spacing-lg);
            margin: var(--spacing-lg) 0;
            border-radius: var(--radius-md);
        }
        
        /* 移动端优化的对比展示样式 */
        .comparison-container {
            margin: var(--spacing-xxl) 0;
        }
        
        .comparison-card {
            background: white;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            margin-bottom: var(--spacing-lg);
            border: 1px solid #e8e8e8;
        }
        
        .comparison-header {
            padding: var(--spacing-lg);
            background: linear-gradient(135deg, #f0f8ff 0%, #e6f7ff 100%);
            border-bottom: 1px solid #d9e9ff;
        }
        
        .comparison-header.protocol {
            border-left: 5px solid #1890ff;
        }
        
        .comparison-header.litigation {
            border-left: 5px solid #52c41a;
        }
        
        .comparison-badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.85em;
            font-weight: 600;
            margin-bottom: 8px;
        }
        
        .badge-protocol {
            background: rgba(24, 144, 255, 0.1);
            color: #1890ff;
            border: 1px solid rgba(24, 144, 255, 0.3);
        }
        
        .badge-litigation {
            background: rgba(82, 196, 26, 0.1);
            color: #52c41a;
            border: 1px solid rgba(82, 196, 26, 0.3);
        }
        
        .comparison-item {
            padding: var(--spacing-md) var(--spacing-lg);
            border-bottom: 1px solid #f0f0f0;
            display: flex;
            flex-direction: column;
        }
        
        .comparison-item:last-child {
            border-bottom: none;
        }
        
        .comparison-label {
            font-weight: 600;
            color: #333;
            margin-bottom: 6px;
            font-size: 0.95em;
        }
        
        .comparison-value {
            color: #666;
            line-height: 1.6;
        }
        
        .feature-true, .feature-false {
            font-weight: 600;
            padding: 2px 6px;
            border-radius: var(--radius-sm);
            display: inline-block;
        }
        
        .feature-true {
            color: #2e8b57;
            background-color: rgba(46, 139, 87, 0.1);
        }
        
        .feature-false {
            color: #e74c3c;
            background-color: rgba(231, 76, 60, 0.1);
        }
        
        /* 桌面端表格样式（保留原表格样式） */
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin: 25px 0;
            font-size: 0.95em;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: 0 0 10px rgba(0,0,0,0.05);
            display: table;
        }
        
        .comparison-table thead {
            background-color: #2c3e50;
            color: white;
            text-align: left;
        }
        
        .comparison-table th,
        .comparison-table td {
            padding: var(--spacing-md) var(--spacing-lg);
            border-bottom: 1px solid #e9ecef;
        }
        
        .comparison-table tbody tr:nth-of-type(even) {
            background-color: #f8f9fa;
        }
        
        .comparison-table tbody tr:last-of-type {
            border-bottom: 2px solid #2c3e50;
        }
        
        .comparison-table tbody tr:hover {
            background-color: #f1f7ff;
        }
        
        /* 移动端隐藏表格，显示卡片 */
        @media (max-width: 768px) {
            .comparison-table {
                display: none;
            }
            
            .comparison-container {
                display: block;
            }
        }
        
        /* 桌面端：默认显示卡片（除非页面同时有表格） */
        @media (min-width: 769px) {
            /* 只有当页面同时存在 comparison-table 和 comparison-container 时，才隐藏卡片 */
            .comparison-table ~ .comparison-container,
            .has-table .comparison-container {
                display: none;
            }
            
            .comparison-table {
                display: table;
            }
        }
        
        /* 移动端进一步优化 */
        @media (max-width: 480px) {
            .comparison-card {
                margin-bottom: var(--spacing-md);
            }
            
            .comparison-header {
                padding: var(--spacing-md);
            }
            
            .comparison-item {
                padding: var(--spacing-sm) var(--spacing-md);
            }
            
            .comparison-label {
                font-size: 0.9em;
            }
            
            .comparison-value {
                font-size: 0.9em;
            }
        }