/* ===== 全局重置 & 基础 ===== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', 'PingFang SC', Roboto, 'Helvetica Neue', sans-serif;
            background-color: #f5f7fa;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0 20px 60px;
        }

        .container-museum {
            max-width: 1200px;
            margin: 0 auto;
            background-color: #ffffff;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.07);
            border-radius: 24px;
            padding: 40px 50px 60px;
            margin-top: 40px;
        }

        /* ===== 版式 ===== */
        h1,
        h2,
        h3,
        h4,
        h5 {
            font-weight: 600;
            letter-spacing: 0.02em;
            color: #0b1a2b;
        }

        h1 {
            font-size: 2.4rem;
            text-align: center;
            padding-bottom: 16px;
            border-bottom: 3px solid #298df7;
            margin-bottom: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        h1 i {
            color: #298df7;
            font-size: 2.2rem;
        }

        h2 {
            font-size: 2rem;
            margin-top: 48px;
            margin-bottom: 20px;
            padding-left: 18px;
            border-left: 6px solid #298df7;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        h2 i {
            color: #298df7;
            font-size: 1.7rem;
            width: 2rem;
            text-align: center;
        }

        h3 {
            font-size: 1.5rem;
            margin-top: 32px;
            margin-bottom: 14px;
            color: #1e3a5f;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        h3 i {
            color: #298df7;
            width: 1.8rem;
            text-align: center;
        }

        h4 {
            font-size: 1.3rem;
            margin-top: 24px;
            margin-bottom: 10px;
            color: #2c3e50;
            font-weight: 600;
        }

        p {
            margin-bottom: 16px;
            color: #2d3f4f;
        }

        ul,
        ol {
            margin: 10px 0 18px 26px;
        }
        li {
            margin-bottom: 6px;
        }

        a {
            color: #298df7;
            text-decoration: none;
        }
        a:hover {
            text-decoration: underline;
        }

        /* ===== 目录 ===== */
        .toc {
            background: #ffffff;
            border-radius: 18px;
            padding: 24px 32px;
            margin: 30px 0 40px;
            border: 1px solid #f0f0f0;
			 box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .toc-title {
            font-weight: 700;
            font-size: 2rem;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: #0b1a2b;
        }
        .toc-title i {
            color: #298df7;
        }
        .toc-grid {
			font-size: 1.8rem;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 6px 20px;
        }
        .toc-grid a {
            display: block;
            padding: 4px 0;
            color: #1e3a5f;
            font-weight: 500;
            border-bottom: 1px dashed transparent;
            transition: border-color 0.2s;
        }
        .toc-grid a:hover {
            border-bottom-color: #298df7;
            text-decoration: none;
        }
        .toc-grid .toc-sub {
            font-weight: 500;
            font-size: 1.5rem;
            padding-left: 18px;
            color: #3d5a73;
        }

        /* ===== 引用/高亮 ===== */
        .highlight-box {
            background: #f0f0f0;
            border-left: 5px solid #298df7;
            padding: 18px 24px;
            border-radius: 10px;
            margin: 20px 0;
			 box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }

        .badge {
            display: inline-block;
            background: #298df7;
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 14px;
            border-radius: 30px;
            letter-spacing: 0.04em;
        }

        /* ===== 图片占位 ===== */
        .img-placeholder {
            background: #fffff;
            border-radius: 16px;
            padding: 30px 20px;
            text-align: center;
            margin: 20px 0 28px;
            border: 1px dashed #cfd9e6;
            color: #4a617c;
            font-size: 0.95rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
        }
        .img-placeholder i {
            font-size: 3.2rem;
            color: #298df7;
            opacity: 0.7;
        }
        .img-placeholder span {
            font-weight: 500;
        }

        /* ===== 功能卡片（用于技术部分） ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
            margin: 24px 0 20px;
        }
        .feature-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 22px 22px 20px;
            border: 1px solid #e8edf5;
            transition: box-shadow 0.25s, transform 0.2s;
        }
        .feature-card:hover {
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
            transform: translateY(-3px);
        }
        .feature-card .icon {
            font-size: 1.8rem;
            color: #298df7;
            margin-bottom: 8px;
        }
        .feature-card h4 {
            margin-top: 0;
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 1.2rem;
            color: #3d5a73;
            margin-bottom: 4px;
        }

        /* ===== 优势 & 革新 ===== */
        .advantage-list {
            list-style: none;
            padding: 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px 30px;
        }
        .advantage-list li {
            padding: 8px 0 8px 36px;
            position: relative;
            font-weight: 500;
            border-bottom: 1px solid #f0f3f8;
        }
        .advantage-list li::before {
            content: "◆";
            color: #298df7;
            font-weight: 700;
            position: absolute;
            left: 4px;
            top: 8px;
            font-size: 1.1rem;
        }

        .tech-highlight {
            background: linear-gradient(145deg, #faf8f2, #f0ede4);
            border-radius: 20px;
            padding: 28px 32px;
            margin: 28px 0 16px;
            border: 1px solid #e5ddce;
        }
        .tech-highlight h3 {
            margin-top: 0;
            color: #1e3a5f;
        }

        /* ===== 流程图占位 ===== */
        .flow-placeholder {
            background: #f2f6fc;
            border-radius: 14px;
            padding: 22px 28px;
            margin: 20px 0 10px;
            border: 1px solid #dce4ef;
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .flow-placeholder .step {
            display: flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            padding: 8px 18px;
            border-radius: 40px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            font-weight: 500;
            font-size: 0.95rem;
        }
        .flow-placeholder .step i {
            color: #298df7;
        }
        .flow-placeholder .arrow {
            color: #b0c4db;
            font-size: 1.4rem;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 768px) {
            .container-museum {
                padding: 24px 18px 40px;
                margin-top: 20px;
                border-radius: 16px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
                padding-left: 12px;
            }
            .toc-grid {
                grid-template-columns: 1fr;
            }
            .advantage-list {
                grid-template-columns: 1fr;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .flow-placeholder {
                flex-direction: column;
                align-items: stretch;
            }
            .flow-placeholder .arrow {
                transform: rotate(90deg);
                text-align: center;
            }
        }

        @media (max-width: 480px) {
            body {
                padding: 0 10px 40px;
            }
            .container-museum {
                padding: 18px 12px 30px;
            }
            h1 {
                font-size: 1.5rem;
                gap: 8px;
            }
            h2 {
                font-size: 1.25rem;
            }
        }

        /* ===== 打印优化 ===== */
        @media print {
            body {
                background: #fff;
                padding: 0;
            }
            .container-museum {
                box-shadow: none;
                border-radius: 0;
                padding: 20px 30px;
                margin-top: 0;
            }
            .feature-card:hover {
                transform: none;
                box-shadow: none;
            }
            .toc {
                background: #f5f5f5;
                break-inside: avoid;
            }
        }