:root {
            --hwo3t-primary: #1E88E5;
            --hwo3t-secondary: #00B0FF;
            --hwo3t-accent: #E53935;
            --hwo3t-bg-light: #F8FAFC;
            --hwo3t-text-main: #1A202C;
            --hwo3t-text-muted: #4A5568;
            --hwo3t-white: #FFFFFF;
            --hwo3t-radius: 16px;
            --hwo3t-container-max: 1100px;
            --hwo3t-shadow: 0 10px 30px rgba(30, 136, 229, 0.1);
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            background-color: var(--hwo3t-bg-light);
            color: var(--hwo3t-text-main);
            line-height: 1.7;
            word-break: keep-all;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        /* Navigation */
        .hwo3t-navbar {
            position: fixed;
            top: 24px;
            left: 50%;
            transform: translateX(-50%);
            width: 95%;
            max-width: var(--hwo3t-container-max);
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            border-radius: 100px;
            z-index: 1000;
            padding: 8px 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            box-shadow: var(--hwo3t-shadow);
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .hwo3t-logo {
            display: flex;
            align-items: center;
            min-width: 0;
        }

        .hwo3t-logo img {
            height: 32px;
            width: auto;
        }

        .hwo3t-nav-links {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 8px;
            min-width: 0;
        }

        .hwo3t-nav-links li a {
            padding: 8px 16px;
            border-radius: 50px;
            font-size: clamp(0.85rem, 1vw + 0.2rem, 0.95rem);
            font-weight: 500;
            color: var(--hwo3t-text-muted);
        }

        .hwo3t-nav-links li a:hover {
            color: var(--hwo3t-primary);
            background: rgba(30, 136, 229, 0.05);
        }

        .hwo3t-nav-links li a.hwo3t-active {
            background: var(--hwo3t-primary);
            color: var(--hwo3t-white);
        }

        /* Hero Section */
        .hwo3t-hero {
            padding: 160px 24px 96px;
            background: radial-gradient(circle at 90% 10%, rgba(30, 136, 229, 0.08) 0%, transparent 40%),
                        linear-gradient(135deg, #FFFFFF 0%, #F1F5F9 100%);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hwo3t-hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: radial-gradient(var(--hwo3t-primary) 0.5px, transparent 0.5px);
            background-size: 32px 32px;
            opacity: 0.1;
        }

        .hwo3t-hero-content {
            max-width: 900px;
            position: relative;
            z-index: 2;
            min-width: 0;
        }

        .hwo3t-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(229, 57, 53, 0.1);
            color: var(--hwo3t-accent);
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 24px;
            border: 1px solid rgba(229, 57, 53, 0.2);
        }

        .hwo3t-hero h1 {
            font-size: clamp(2.2rem, 5vw + 1rem, 4rem);
            line-height: 1.2;
            margin-bottom: 24px;
            color: var(--hwo3t-text-main);
            letter-spacing: -1px;
            word-break: break-word;
        }

        .hwo3t-hero p {
            font-size: clamp(1.1rem, 2vw + 0.5rem, 1.3rem);
            color: var(--hwo3t-text-muted);
            max-width: 700px;
            margin: 0 auto 48px;
            word-break: break-word;
        }

        .hwo3t-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            min-width: 0;
        }

        .hwo3t-btn-primary {
            background: linear-gradient(135deg, var(--hwo3t-primary), var(--hwo3t-secondary));
            color: white;
            padding: 18px 48px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 1.1rem;
            box-shadow: 0 10px 20px rgba(30, 136, 229, 0.3);
            transform: translateY(0);
        }

        .hwo3t-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(30, 136, 229, 0.4);
        }

        /* Split Section Design */
        .hwo3t-feature-split {
            padding: 96px 24px;
            display: flex;
            flex-wrap: wrap;
            max-width: var(--hwo3t-container-max);
            margin: 0 auto;
            gap: 64px;
            align-items: center;
        }

        .hwo3t-feature-image {
            flex: 1;
            min-width: 320px;
            position: relative;
        }

        .hwo3t-feature-image .hwo3t-img-card {
            width: 100%;
            height: auto;
            border-radius: var(--hwo3t-radius);
            box-shadow: var(--hwo3t-shadow);
            border: 8px solid white;
        }

        .hwo3t-feature-text {
            flex: 1;
            min-width: 320px;
        }

        .hwo3t-feature-text h2 {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            margin-bottom: 24px;
            color: var(--hwo3t-text-main);
        }

        /* Medical Grid Section */
        .hwo3t-medical-grid {
            padding: 96px 24px;
            background: #FFFFFF;
        }

        .hwo3t-section-header {
            text-align: center;
            margin-bottom: 64px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .hwo3t-grid-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 32px;
            max-width: var(--hwo3t-container-max);
            margin: 0 auto;
        }

        .hwo3t-medical-card {
            background: var(--hwo3t-bg-light);
            padding: 40px;
            border-radius: var(--hwo3t-radius);
            transition: all 0.3s ease;
            border: 1px solid rgba(0, 0, 0, 0.05);
            min-width: 0;
        }

        .hwo3t-medical-card:hover {
            background: white;
            box-shadow: var(--hwo3t-shadow);
            transform: translateY(-5px);
        }

        .hwo3t-card-icon {
            width: 64px;
            height: 64px;
            background: white;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            margin-bottom: 24px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }

        .hwo3t-medical-card h3 {
            font-size: 1.5rem;
            margin-bottom: 16px;
            color: var(--hwo3t-primary);
        }

        .hwo3t-medical-card ul {
            list-style: none;
            color: var(--hwo3t-text-muted);
        }

        .hwo3t-medical-card ul li {
            margin-bottom: 12px;
            padding-left: 24px;
            position: relative;
        }

        .hwo3t-medical-card ul li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--hwo3t-primary);
            font-weight: bold;
        }

        /* Dynamic Content Section */
        .hwo3t-dynamic-news {
            padding: 96px 24px;
            max-width: var(--hwo3t-container-max);
            margin: 0 auto;
        }

        .hwo3t-news-item {
            background: white;
            padding: 24px;
            border-radius: 12px;
            margin-bottom: 16px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            border-left: 4px solid var(--hwo3t-primary);
            min-width: 0;
        }

        /* Footer */
        .hwo3t-footer {
            background: #1A202C;
            color: #A0AEC0;
            padding: 80px 24px 40px;
        }

        .hwo3t-footer-content {
            max-width: var(--hwo3t-container-max);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
            justify-content: space-between;
        }

        .hwo3t-footer-brand {
            flex: 1.5;
            min-width: 280px;
        }

        .hwo3t-brand-name {
            font-size: 1.5rem;
            font-weight: 700;
            color: white;
            margin-bottom: 16px;
        }

        .hwo3t-footer-links {
            flex: 1;
            min-width: 200px;
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
        }

        .hwo3t-footer-links ul {
            list-style: none;
        }

        .hwo3t-footer-links h4 {
            color: white;
            margin-bottom: 24px;
        }

        .hwo3t-footer-links li {
            margin-bottom: 12px;
        }

        .hwo3t-footer-links a:hover {
            color: white;
        }

        .hwo3t-copyright {
            text-align: center;
            padding-top: 64px;
            margin-top: 64px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hwo3t-navbar {
                top: 0;
                width: 100%;
                border-radius: 0;
                justify-content: center;
                gap: 12px;
            }
            .hwo3t-nav-links {
                justify-content: center;
            }
            .hwo3t-feature-split {
                flex-direction: column;
                text-align: center;
            }
            .hwo3t-hero {
                padding-top: 140px;
            }
        }

        /* JSON-LD */
        script[type="application/ld+json"] {
            display: none;
        }