@charset "utf-8";
/* ===== 全局变量 =====
   色彩变量已移至 e_head.html 动态注入
   此处仅保留非色彩和布局相关变量作为兜底
===== */
:root {
    --text-dark: #1e293b;
    --text-gray: #475569;
    --border-light: #e2e8f0;
    --container-width: 1480px;
    --card-shadow: 0 10px 25px -5px rgba(0,0,0,0.05), 0 8px 10px -6px rgba(0,0,0,0.02);
    --card-hover-shadow: 0 20px 30px -10px rgba(var(--primary-rgb, 37,99,235),0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #ffffff;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

/* ===== 1480px 容器 ===== */
.container, 
.container-fluid {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 30px;
}

/* ===== Banner 通栏 ===== */
.section.vQrQB3 {
    width: 100%;
    background-color: #0f172a;
}

.vQrQB3-container {
    max-width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
}

.vQrQB3-c-item {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
    max-height: 550px;
}

@media (max-width: 768px) {
    .vQrQB3-c-item {
        max-height: 250px;
    }
}

/* ===== 正文内容区域 ===== */
.page-content {
    padding: 60px 0;
    background: #ffffff;
}

.content-wrapper {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 30px;
}

/* 正文内容样式 - 增强可读性 */
.content-body {
    font-size: 1.1rem;
    color: var(--text-gray);
    line-height: 1.8;
}

.content-body h1,
.content-body h2,
.content-body h3,
.content-body h4 {
    color: var(--text-dark);
    margin: 1.8em 0 0.8em;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.content-body h1 {
    font-size: 2.5rem;
    border-bottom: 3px solid var(--border-light);
    padding-bottom: 0.8rem;
}

.content-body h2 {
    font-size: 2rem;
    border-bottom: 2px solid var(--border-light);
    padding-bottom: 0.5rem;
    position: relative;
}

.content-body h2:after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 80px;
    height: 3px;
    background: var(--primary-blue);
}

.content-body h3 {
    font-size: 1.5rem;
}

.content-body p {
    margin-bottom: 1.5em;
}

.content-body img {
    max-width: 100%;
    height: auto;
    border-radius: 16px;
    margin: 40px 0;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.content-body img:hover {
    transform: scale(1.02);
    box-shadow: var(--card-hover-shadow);
}

.content-body ul,
.content-body ol {
    margin: 1.2em 0 1.8em 1.8em;
}

.content-body li {
    margin-bottom: 0.6em;
}

.content-body a {
    color: var(--primary-blue);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.2s;
    font-weight: 500;
}

.content-body a:hover {
    border-bottom-color: var(--primary-blue);
}

.content-body blockquote {
    border-left: 4px solid var(--primary-blue);
    background: var(--bg-light);
    padding: 1.5em 2em;
    margin: 2em 0;
    font-style: italic;
    border-radius: 0 12px 12px 0;
}

.content-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 2em 0;
}

.content-body th {
    background: var(--primary-blue);
    color: white;
    padding: 12px;
    font-weight: 600;
}

.content-body td {
    padding: 10px;
    border: 1px solid var(--border-light);
}

.content-body tr:nth-child(even) {
    background: var(--bg-light);
}

/* 代码块样式 */
.content-body pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 20px;
    border-radius: 12px;
    overflow-x: auto;
    margin: 1.5em 0;
}

.content-body code {
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
}

/* 响应式调整 */
@media (max-width: 1200px) {
    .container, 
    .container-fluid,
    .content-wrapper {
        padding: 0 25px;
    }
    
    .content-body h1 {
        font-size: 2.2rem;
    }
    
    .content-body h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 992px) {
    .page-content {
        padding: 50px 0;
    }
    
    .content-body {
        font-size: 1rem;
    }
}

@media (max-width: 768px) {
    .container, 
    .container-fluid,
    .content-wrapper {
        padding: 0 20px;
    }
    
    .page-content {
        padding: 40px 0;
    }
    
    .content-body h1 {
        font-size: 1.8rem;
    }
    
    .content-body h2 {
        font-size: 1.5rem;
    }
    
    .content-body h3 {
        font-size: 1.3rem;
    }
    
    .content-body img {
        margin: 30px 0;
    }
    
    .content-body blockquote {
        padding: 1.2em 1.5em;
    }
}

@media (max-width: 480px) {
    .content-body h1 {
        font-size: 1.5rem;
    }
    
    .content-body h2 {
        font-size: 1.3rem;
    }
    
    .content-body h3 {
        font-size: 1.2rem;
    }
    
    .content-body {
        font-size: 0.95rem;
    }
    
    .content-body blockquote {
        padding: 1em;
    }
}

/* ===== 动画效果 ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.content-body {
    animation: fadeIn 0.8s ease-out;
}

/* ===== 辅助类 ===== */
.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

.section {
    border: none;
    outline: none;
}

/* 保持原有样式兼容 */
.section-rich-text {
    all: inherit;
}