@charset "utf-8";
      /* ===== 全局变量 ===== */
        :root {
            --primary-blue: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-light: #dbeafe;
            --text-dark: #1e293b;
            --text-gray: #475569;
            --bg-light: #f8fafc;
            --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(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;
        }