/* ===== 核心样式 ===== */
        .mh-content {
            --mh-blue: #0f2b4a;
            --mh-orange: #d95c1a;
            --mh-card: #ffffff;
            --mh-shadow: 0 8px 32px rgba(15, 43, 74, 0.08);
            --mh-radius: 16px;
            font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
            color: #1a2636;
            line-height: 1.8;
            max-width: 1440px;
            margin: 0 auto;
            padding: 0 32px 60px;
            font-size: 1.1rem;
        }

        .mh-toc {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 28px;
            background: var(--mh-card);
            padding: 16px 28px;
            border-radius: var(--mh-radius);
            box-shadow: var(--mh-shadow);
            margin-bottom: 40px;
            justify-content: center;
            border: 1px solid rgba(15, 43, 74, 0.04);
        }
        .mh-toc a {
            font-weight: 600;
            color: var(--mh-blue);
            text-decoration: none;
            font-size: 1rem;
            padding: 4px 0;
            border-bottom: 3px solid transparent;
            transition: 0.2s;
        }
        .mh-toc a:hover {
            color: var(--mh-orange);
            border-bottom-color: var(--mh-orange);
        }
        .mh-toc a i {
            margin-right: 6px;
            color: var(--mh-orange);
        }

        .mh-hero {
            text-align: center;
            padding: 40px 20px 30px;
            margin-bottom: 40px;
            position: relative;
        }
        .mh-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background: linear-gradient(90deg, var(--mh-orange), #f5a623);
            border-radius: 4px;
        }
        .mh-hero .mh-eyebrow {
            display: inline-block;
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 4px;
            color: var(--mh-orange);
            background: rgba(217, 92, 26, 0.10);
            padding: 6px 24px;
            border-radius: 30px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .mh-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--mh-blue);
            margin: 8px 0 6px;
            letter-spacing: 1px;
        }
        .mh-hero h1 span {
            color: var(--mh-orange);
        }
        .mh-hero .mh-sub {
            font-size: 1.3rem;
            color: #4a5a6e;
            font-weight: 400;
            margin-top: 6px;
        }

        .mh-card {
            background: var(--mh-card);
            border-radius: var(--mh-radius);
            box-shadow: var(--mh-shadow);
            padding: 32px 36px;
            margin-bottom: 36px;
            border: 1px solid rgba(15, 43, 74, 0.04);
        }
        .mh-card h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--mh-blue);
            display: flex;
            align-items: center;
            gap: 14px;
            margin: 0 0 20px 0;
            padding-bottom: 14px;
            border-bottom: 2px solid rgba(15, 43, 74, 0.06);
        }
        .mh-card h2 i {
            color: var(--mh-orange);
            font-size: 1.8rem;
            width: 2.4rem;
            text-align: center;
        }
        .mh-card h2 .mh-badge {
            background: var(--mh-orange);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 2px 16px;
            border-radius: 30px;
            margin-left: 8px;
        }

        .mh-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--mh-blue);
            margin: 0 0 12px 0;
        }
        .mh-card h3 i {
            color: var(--mh-orange);
            margin-right: 8px;
        }

        .mh-five-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            margin-top: 10px;
        }
        .mh-five-item {
            background: var(--mh-card);
            border-radius: var(--mh-radius);
            padding: 24px 18px 22px;
            text-align: center;
            box-shadow: var(--mh-shadow);
            border-top: 5px solid var(--mh-orange);
            transition: transform 0.25s ease, box-shadow 0.3s ease;
        }
        .mh-five-item:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 48px rgba(15, 43, 74, 0.15);
        }
        .mh-five-item .mh-step-num {
            display: inline-block;
            width: 44px;
            height: 44px;
            line-height: 44px;
            border-radius: 50%;
            background: var(--mh-blue);
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            margin-bottom: 12px;
        }
        .mh-five-item .mh-step-icon {
            font-size: 2.2rem;
            color: var(--mh-orange);
            display: block;
            margin-bottom: 8px;
        }
        .mh-five-item h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--mh-blue);
            margin: 8px 0 10px;
        }
        .mh-five-item p {
            font-size: 0.95rem;
            color: #4a5a6e;
            margin: 0;
            line-height: 1.7;
            text-align: left;
        }
        .mh-five-item p strong {
            color: var(--mh-blue);
        }

        .mh-law-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 8px 0 4px;
        }
        .mh-law-item {
            background: #f8faff;
            border-radius: 12px;
            padding: 20px 24px;
            border-left: 5px solid var(--mh-orange);
        }
        .mh-law-item h3 {
            margin: 0 0 8px 0;
            font-size: 1.2rem;
            color: var(--mh-blue);
        }
        .mh-law-item p {
            margin: 0;
            font-size: 1rem;
            color: #4a5a6e;
        }
        .mh-law-item .mh-law-tag {
            display: inline-block;
            background: var(--mh-blue);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 14px;
            border-radius: 30px;
            margin-right: 8px;
        }

        .mh-law-ol {
            background: #f8faff;
            border-radius: 12px;
            padding: 18px 24px 24px;
            margin: 16px 0 0;
            border: 1px dashed rgba(15, 43, 74, 0.12);
        }
        .mh-law-ol h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--mh-blue);
            margin: 0 0 8px 0;
        }
        .mh-law-ol .mh-six-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
            margin-top: 12px;
        }
        /* ===== 六要素锚链样式（修改为 <a> 标签后） ===== */
        .mh-law-ol .mh-six-item {
            display: block;
            background: #ffffff;
            border-radius: 10px;
            padding: 14px 18px;
            border-left: 4px solid var(--mh-orange);
            box-shadow: 0 2px 8px rgba(15, 43, 74, 0.06);
            font-weight: 600;
            color: var(--mh-blue);
            font-size: 1.05rem;
            transition: 0.2s;
            text-decoration: none;
            cursor: pointer;
        }
        .mh-law-ol .mh-six-item:hover {
            box-shadow: 0 4px 16px rgba(15, 43, 74, 0.10);
            transform: translateX(2px);
            background: #f0f7ff;
            text-decoration: none;
        }
        .mh-law-ol .mh-six-item .mh-six-num {
            display: inline-block;
            background: var(--mh-orange);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            width: 22px;
            height: 22px;
            line-height: 22px;
            text-align: center;
            border-radius: 50%;
            margin-right: 10px;
        }

        .mh-elements-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            margin: 10px 0 4px;
        }
        .mh-element-card {
            background: var(--mh-card);
            border-radius: var(--mh-radius);
            padding: 24px 22px 20px;
            box-shadow: var(--mh-shadow);
            border-bottom: 4px solid var(--mh-blue);
            transition: border-color 0.3s ease, transform 0.25s ease;
            display: flex;
            flex-direction: column;
            scroll-margin-top: 80px;
            /* 为锚点跳转留出顶部空间，避免被固定导航遮挡 */;
        }
        .mh-element-card:hover {
            border-bottom-color: var(--mh-orange);
            transform: translateY(-4px);
        }
        .mh-element-card .mh-elem-icon {
            font-size: 2rem;
            color: var(--mh-orange);
            display: inline-block;
            margin-bottom: 8px;
            background: rgba(217, 92, 26, 0.08);
            width: 56px;
            height: 56px;
            line-height: 56px;
            text-align: center;
            border-radius: 14px;
            flex-shrink: 0;
        }
        .mh-element-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--mh-blue);
            margin: 6px 0 10px;
            border-bottom: 1px solid rgba(15, 43, 74, 0.06);
            padding-bottom: 8px;
        }
        .mh-element-card details {
            margin-top: 4px;
            flex: 1;
        }
        .mh-element-card details summary {
            font-weight: 600;
            color: var(--mh-orange);
            cursor: pointer;
            font-size: 0.95rem;
            padding: 6px 0;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .mh-element-card details summary::-webkit-details-marker {
            display: none;
        }
        .mh-element-card details summary::before {
            content: "▶";
            font-size: 0.7rem;
            transition: transform 0.2s;
            color: var(--mh-blue);
        }
        .mh-element-card details[open] summary::before {
            transform: rotate(90deg);
        }
        .mh-element-card details .mh-detail-body {
            padding-top: 8px;
            font-size: 0.98rem;
            color: #4a5a6e;
        }
        .mh-element-card details .mh-detail-body p,
        .mh-element-card details .mh-detail-body ul,
        .mh-element-card details .mh-detail-body ol {
            margin: 0.5rem 0;
        }
        .mh-element-card details .mh-detail-body ul,
        .mh-element-card details .mh-detail-body ol {
            padding-left: 1.4rem;
        }
        .mh-element-card details .mh-detail-body strong {
            color: var(--mh-blue);
        }
        .mh-alert-inline {
            background: #f8f4f0;
            border-radius: 8px;
            padding: 10px 14px;
            border-left: 4px solid var(--mh-orange);
            margin: 10px 0;
            font-size: 0.95rem;
        }

        @media (max-width: 992px) {
            .mh-law-ol .mh-six-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .mh-elements-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 600px) {
            .mh-law-ol .mh-six-grid {
                grid-template-columns: 1fr;
            }
        }

        .mh-flow {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 6px 2px;
            padding: 20px 12px 14px;
            background: #f8faff;
            border-radius: 12px;
            margin: 14px 0 4px;
        }
        .mh-flow-step {
            flex: 1 1 0;
            min-width: 80px;
            text-align: center;
            padding: 8px 4px;
        }
        .mh-flow-step .mh-flow-num {
            display: inline-block;
            width: 36px;
            height: 36px;
            line-height: 36px;
            border-radius: 50%;
            background: var(--mh-blue);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 4px;
        }
        .mh-flow-step .mh-flow-label {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--mh-blue);
            display: block;
        }
        .mh-flow-arrow {
            font-size: 1.6rem;
            color: var(--mh-orange);
            flex-shrink: 0;
            padding: 0 4px;
        }

        .mh-report-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 8px 0 4px;
        }
        .mh-report-col {
            background: #f8faff;
            border-radius: 12px;
            padding: 20px 24px;
        }
        .mh-report-col h3 {
            margin: 0 0 12px 0;
            color: var(--mh-blue);
            font-size: 1.2rem;
            border-bottom: 2px solid rgba(15, 43, 74, 0.06);
            padding-bottom: 10px;
        }
        .mh-report-col ul {
            padding-left: 1.4rem;
            margin: 6px 0;
        }
        .mh-report-col ul li {
            font-size: 1rem;
            color: #4a5a6e;
            margin-bottom: 6px;
        }
        .mh-report-box {
            background: #fff6ed;
            border-radius: 8px;
            padding: 12px 16px;
            margin-top: 12px;
            border-left: 4px solid var(--mh-orange);
        }
        .mh-report-box h3 {
            margin: 0 0 6px 0;
            font-size: 1.1rem;
        }
        .mh-report-box h3:first-of-type {
            color: var(--mh-orange);
        }
        .mh-report-box h3:last-of-type {
            color: var(--mh-blue);
        }
        .mh-report-box ul {
            margin: 0;
            padding-left: 1.4rem;
            color: #4a5a6e;
        }

        .mh-notice-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px 36px;
            margin: 12px 0 4px;
        }
        .mh-notice-block {
            border-bottom: 1px solid rgba(15, 43, 74, 0.06);
            padding-bottom: 16px;
            margin-bottom: 8px;
        }
        .mh-notice-block:last-child {
            border-bottom: none;
            margin-bottom: 0;
        }
        .mh-notice-block h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--mh-blue);
            margin: 0 0 8px 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .mh-notice-block h3 i {
            color: var(--mh-orange);
            font-size: 1.2rem;
            width: 1.8rem;
        }
        .mh-notice-block ul {
            padding-left: 1.4rem;
            margin: 4px 0;
        }
        .mh-notice-block ul li {
            font-size: 0.98rem;
            color: #4a5a6e;
            margin-bottom: 4px;
        }
        .mh-notice-block .mh-ban-box {
            background: #fee8e6;
            border-radius: 8px;
            padding: 10px 14px;
            margin-top: 8px;
            font-size: 0.95rem;
            color: #b33a2e;
            font-weight: 500;
            border-left: 4px solid #b33a2e;
        }

        .mh-info-tech {
            background: #e6f0fa;
            border-radius: 12px;
            padding: 18px 22px;
            border-left: 6px solid var(--mh-blue);
            display: flex;
            align-items: flex-start;
            gap: 14px;
            height: 100%;
        }
        .mh-info-tech i {
            font-size: 2rem;
            color: var(--mh-blue);
            flex-shrink: 0;
            margin-top: 2px;
        }
        .mh-info-tech .mh-info-body {
            font-size: 0.98rem;
            color: var(--mh-text);
        }
        .mh-info-tech .mh-info-body strong {
            color: var(--mh-blue);
            font-size: 1.05rem;
            display: block;
            margin-bottom: 4px;
        }

        @media (max-width: 768px) {
            .mh-content {
                padding: 0 16px 32px;
                font-size: 0.98rem;
            }
            .mh-five-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .mh-elements-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .mh-law-grid {
                grid-template-columns: 1fr;
            }
            .mh-report-grid {
                grid-template-columns: 1fr;
            }
            .mh-notice-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .mh-flow {
                flex-wrap: wrap;
                justify-content: center;
            }
            .mh-flow-step {
                flex: 0 0 auto;
                min-width: 60px;
            }
            .mh-flow-arrow {
                font-size: 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .mh-five-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .mh-hero h1 {
                font-size: 1.4rem;
            }
        }

        /* ===== 为锚点跳转增加高亮提示（可选） ===== */
        .mh-element-card:target {
            border-bottom-color: var(--mh-orange);
            box-shadow: 0 0 0 3px rgba(217, 92, 26, 0.25), var(--mh-shadow);
            transition: box-shadow 0.3s ease;
        }
        .mh-element-card:target .mh-elem-icon {
            background: rgba(217, 92, 26, 0.25);
        }

        /* 顶部导航的六要素链接也可点击，保留原样 */
        .mh-toc a[href="#sec-liuyaosu"] {
            /* 保持已有样式 */;
        }