/* ----- 仅重置 body 边距，无其他全局影响 ----- */
        body {
            margin: 0;
            background: #f8f6f2;
        }

        /* ----- 所有样式严格限定在 .uee-hub-article 内，使用 border-box 防止内边距撑破布局 ----- */
        .uee-hub-article {
            box-sizing: border-box;
            max-width: 920px;
            margin: 20px auto;
            padding: 20px 16px 30px 16px;
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            color: #1c1c1c;
            line-height: 1.7;
            background: #ffffff;
            border-radius: 0;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
        }
        /* 容器内所有元素继承 border-box，避免干扰外部 */
        .uee-hub-article * {
            box-sizing: border-box;
        }

        /* --- HERO --- */
        .uee-hub-article .hero-block {
            padding: 30px 0 20px 0;
            border-bottom: 4px solid #7a7a7a;
            margin-bottom: 32px;
        }
        .uee-hub-article .hero-tagline {
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 2.5px;
            color: #7a7a7a;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .uee-hub-article .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.15;
            color: #0c1a2b;
            margin-bottom: 18px;
        }
        .uee-hub-article .hero-accent {
            color: #b35a3c;
        }
        .uee-hub-article .hero-excerpt {
            font-size: 1.1rem;
            color: #2a2f36;
            max-width: 780px;
            padding-left: 20px;
            border-left: 4px solid #b35a3c;
            font-weight: 400;
        }
        .uee-hub-article .hero-divider {
            width: 70px;
            height: 3px;
            background: #0c1a2b;
            margin-top: 20px;
        }

        /* --- Section Titles --- */
        .uee-hub-article .section-title {
            font-size: 1.9rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-top: 54px;
            margin-bottom: 18px;
            padding-bottom: 6px;
            border-bottom: 3px solid #e6e2da;
            color: #0c1a2b;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .uee-hub-article .title-num {
            font-size: 1.3rem;
            color: #7a7a7a;
            font-weight: 700;
            background: #f0eee9;
            padding: 2px 14px;
            border-radius: 40px;
            letter-spacing: 0;
            line-height: 1.4;
        }

        .uee-hub-article p {
            margin-bottom: 18px;
            color: #2a2f36;
        }

        /* --- Deep Insight --- */
        .uee-hub-article .deep-insight {
            background: #f5f3f0;
            border-left: 8px solid #b35a3c;
            padding: 24px 32px;
            border-radius: 12px;
            margin: 24px 0 34px 0;
            font-size: 1.1rem;
            color: #1c1c1c;
        }

        /* --- Callout Banner --- */
        .uee-hub-article .callout-banner {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: #f5f3f0;
            padding: 20px 24px;
            border-radius: 12px;
            margin: 20px 0 28px 0;
            border-left: 6px solid #7a7a7a;
        }
        .uee-hub-article .callout-banner .banner-icon {
            font-size: 2rem;
            line-height: 1.2;
            flex-shrink: 0;
        }
        .uee-hub-article .callout-banner .banner-text {
            font-weight: 500;
            color: #1c1c1c;
        }

        /* --- Feature Grid --- */
        .uee-hub-article .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 18px;
            margin: 20px 0 12px 0;
        }
        .uee-hub-article .grid-item {
            background: #faf9f7;
            border: 1px solid #e0ddd6;
            border-radius: 12px;
            padding: 18px 16px;
            font-size: 0.95rem;
            font-weight: 400;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
        }
        .uee-hub-article .grid-item .grid-icon {
            display: block;
            font-size: 1.6rem;
            margin-bottom: 4px;
        }
        .uee-hub-article .grid-item strong {
            display: block;
            font-size: 1.05rem;
            color: #0c1a2b;
            margin-bottom: 4px;
        }

        /* --- Engagement Showcase --- */
        .uee-hub-article .engagement-showcase {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin: 24px 0 28px 0;
            justify-content: center;
        }
        .uee-hub-article .engage-card {
            background: #f5f3f0;
            border: 1px solid #d5d2ca;
            border-radius: 16px;
            padding: 18px 24px;
            text-align: center;
            flex: 1 0 100px;
            min-width: 100px;
        }
        .uee-hub-article .engage-card .engage-number {
            font-size: 2.6rem;
            font-weight: 800;
            display: block;
            line-height: 1;
            color: #0c1a2b;
        }
        .uee-hub-article .engage-card .engage-label {
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: #6b6b6b;
            display: block;
            margin-top: 2px;
        }
        .uee-hub-article .engage-card .engage-degree {
            font-weight: 700;
            color: #b35a3c;
            font-size: 1.2rem;
            display: block;
            margin-top: 4px;
        }
        .uee-hub-article .engage-highlight {
            background: #1c1c1c;
            border-color: #1c1c1c;
        }
        .uee-hub-article .engage-highlight .engage-number {
            color: #f0eee9;
        }
        .uee-hub-article .engage-highlight .engage-degree {
            color: #d9b8a5;
        }

        /* --- Bold List --- */
        .uee-hub-article .bold-list {
            list-style: none;
            padding-left: 0;
            margin-bottom: 24px;
        }
        .uee-hub-article .bold-list li {
            padding-left: 24px;
            position: relative;
            margin-bottom: 10px;
            font-weight: 400;
        }
        .uee-hub-article .list-marker {
            position: absolute;
            left: 2px;
            top: -2px;
            color: #7a7a7a;
            font-weight: 700;
            font-size: 1rem;
        }

        /* --- Warning Block --- */
        .uee-hub-article .warning-block {
            background: #f7f5f2;
            border: 1px solid #d5d2ca;
            border-radius: 14px;
            padding: 20px 28px;
            margin: 20px 0 28px 0;
            display: flex;
            gap: 14px;
            align-items: flex-start;
            font-weight: 500;
            font-size: 1.02rem;
            color: #1c1c1c;
        }
        .uee-hub-article .warning-block span {
            font-size: 1.6rem;
            line-height: 1.2;
            flex-shrink: 0;
            color: #7a7a7a;
        }

        /* --- Symptom Grid --- */
        .uee-hub-article .symptom-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 18px;
            margin: 18px 0 24px 0;
        }
        .uee-hub-article .symptom-card {
            background: #faf9f7;
            border: 1px solid #e0ddd6;
            border-radius: 16px;
            padding: 20px 18px;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
            transition: all 0.1s ease;
        }
        .uee-hub-article .symptom-card .symptom-icon {
            font-size: 1.8rem;
            display: block;
            margin-bottom: 4px;
        }
        .uee-hub-article .symptom-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 4px 0 4px 0;
            color: #0c1a2b;
        }
        .uee-hub-article .symptom-card p {
            font-size: 0.92rem;
            color: #3a3f47;
            margin-bottom: 0;
        }

        /* --- Dark Rule Block --- */
        .uee-hub-article .dark-rule-block {
            background: #1c1c1c;
            color: #eae7e0;
            border-radius: 16px;
            padding: 28px 32px;
            margin: 24px 0 30px 0;
            border-left: 6px solid #b35a3c;
        }
        .uee-hub-article .dark-rule-block p {
            color: #eae7e0;
        }

        /* --- Step Flow --- */
        .uee-hub-article .step-flow {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 16px 0 22px 0;
        }
        .uee-hub-article .step {
            background: #f5f3f0;
            border: 1px solid #d5d2ca;
            border-radius: 40px;
            padding: 10px 24px;
            font-weight: 500;
            font-size: 0.95rem;
            color: #1c1c1c;
            flex: 1 0 auto;
        }

        /* --- Compare Columns --- */
        .uee-hub-article .compare-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin: 16px 0 8px 0;
        }
        .uee-hub-article .compare-col {
            flex: 1 1 200px;
            background: #f5f3f0;
            padding: 22px 26px;
            border-radius: 16px;
            border: 1px solid #e0ddd6;
        }
        .uee-hub-article .compare-col ul {
            margin-bottom: 0;
        }

        /* --- Brand Block --- */
        .uee-hub-article .brand-block {
            background: #1c1c1c;
            border-radius: 24px;
            margin: 48px 0 30px 0;
            padding: 4px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
        }
        .uee-hub-article .brand-inner {
            background: #1c1c1c;
            border-radius: 24px;
            padding: 36px 40px;
            border: 1px solid #3a3a3a;
        }
        .uee-hub-article .brand-tag {
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 3px;
            color: #b35a3c;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        /* --- Final Notes --- */
        .uee-hub-article .final-notes {
            background: #faf9f7;
            border: 1px solid #e0ddd6;
            border-radius: 20px;
            padding: 28px 32px;
            margin: 12px 0 24px 0;
        }
        .uee-hub-article .final-signoff {
            text-align: center;
            font-size: 1.1rem;
            font-weight: 600;
            color: #0c1a2b;
            padding: 14px 0 4px 0;
            border-top: 2px dashed #d5d2ca;
            margin-top: 16px;
            letter-spacing: 1px;
            word-spacing: 4px;
        }
        .uee-hub-article .final-signoff span {
            color: #b35a3c;
        }

        /* ===== FAQ Section (Collapsible) ===== */
        .uee-hub-article .faq-section {
            margin-top: 48px;
            padding-top: 8px;
            border-top: 2px solid #e6e2da;
        }

        .uee-hub-article .faq-item {
            background: #faf9f7;
            border: 1px solid #e0ddd6;
            border-radius: 14px;
            margin-bottom: 14px;
            padding: 0 4px 0 4px;
            transition: background 0.15s ease;
            cursor: pointer;
        }

        .uee-hub-article .faq-item:hover {
            background: #f5f3f0;
            border-color: #c5c0b6;
        }

        .uee-hub-article .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1.05rem;
            color: #0c1a2b;
            list-style: none;
            cursor: pointer;
            user-select: none;
        }

        /* Hide default triangle */
        .uee-hub-article .faq-question::-webkit-details-marker {
            display: none;
        }
        .uee-hub-article .faq-question::marker {
            display: none;
        }

        .uee-hub-article .faq-icon {
            font-size: 1.4rem;
            font-weight: 300;
            color: #7a7a7a;
            flex-shrink: 0;
            transition: transform 0.2s ease;
            line-height: 1;
            width: 24px;
            text-align: center;
        }

        .uee-hub-article .faq-item[open] .faq-icon {
            transform: rotate(45deg);
            color: #b35a3c;
        }

        .uee-hub-article .faq-q-text {
            flex: 1;
        }

        .uee-hub-article .faq-answer {
            padding: 0 22px 22px 22px;
            color: #2a2f36;
            line-height: 1.7;
            border-top: 1px solid #e6e2da;
            margin-top: 0;
            background: #ffffff;
            border-radius: 0 0 14px 14px;
        }

        .uee-hub-article .faq-answer p {
            margin-bottom: 0;
            padding-top: 18px;
            color: #2a2f36;
        }

        .uee-hub-article .faq-answer strong {
            color: #b35a3c;
            font-weight: 600;
        }

        /* --- Responsive --- */
        @media (max-width: 700px) {
            .uee-hub-article .hero-title {
                font-size: 2.0rem;
            }
            .uee-hub-article .section-title {
                font-size: 1.5rem;
                flex-wrap: wrap;
            }
            .uee-hub-article .brand-inner {
                padding: 24px 20px;
            }
            .uee-hub-article .symptom-grid {
                grid-template-columns: 1fr 1fr;
            }
            .uee-hub-article .engage-card {
                flex: 1 0 80px;
                min-width: 80px;
            }
            .uee-hub-article .faq-question {
                font-size: 0.95rem;
                padding: 14px 16px;
                gap: 10px;
            }
            .uee-hub-article .faq-answer {
                padding: 0 16px 18px 16px;
            }
            .uee-hub-article .faq-answer p {
                padding-top: 14px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 480px) {
            .uee-hub-article .symptom-grid {
                grid-template-columns: 1fr;
            }
            .uee-hub-article .engage-card .engage-number {
                font-size: 2rem;
            }
            .uee-hub-article .step {
                flex: 1 0 100%;
                text-align: center;
            }
        }