:root {
            --hwo3t-primary: #FF5D1B;
            --hwo3t-primary-hover: #E84A00;
            --hwo3t-bg-light: #F9FAFB;
            --hwo3t-text-dark: #1D1D1F;
            --hwo3t-text-gray: #6E6E73;
            --hwo3t-glass: rgba(255, 255, 255, 0.8);
            --hwo3t-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
            --hwo3t-radius: 16px;
            --hwo3t-max-width: 1400px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--hwo3t-bg-light);
            color: var(--hwo3t-text-dark);
            line-height: 1.6;
            overflow-x: hidden;
            word-break: break-word;
        }

        /* Navigation */
        .hwo3t-navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--hwo3t-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
        }

        .hwo3t-nav-container {
            width: 100%;
            max-width: var(--hwo3t-max-width);
            padding: 0 24px;
            height: 72px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }

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

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

        .hwo3t-nav-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 24px;
            min-width: 0;
        }

        .hwo3t-nav-item a {
            text-decoration: none;
            color: var(--hwo3t-text-dark);
            font-size: 15px;
            font-weight: 500;
            transition: color 0.3s ease;
            white-space: nowrap;
        }

        .hwo3t-nav-item a:hover {
            color: var(--hwo3t-primary);
        }

        .hwo3t-nav-item.active a {
            color: var(--hwo3t-primary);
            position: relative;
        }

        .hwo3t-nav-item.active a::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--hwo3t-primary);
            border-radius: 2px;
        }

        /* Hero Section - Centered Stacked Design */
        .hwo3t-hero {
            padding: 160px 24px 96px;
            background: radial-gradient(circle at top right, #FFF5F0 0%, #FFFFFF 50%);
            text-align: center;
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            align-items: center;
        }

        .hwo3t-hero-content {
            max-width: 900px;
            min-width: 0;
        }

        .hwo3t-hero-title {
            font-size: clamp(2rem, 5vw + 1rem, 4rem);
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 24px;
            color: var(--hwo3t-text-dark);
            word-break: keep-all;
        }

        .hwo3t-hero-subtitle {
            font-size: clamp(1rem, 1.5vw + 0.5rem, 1.25rem);
            color: var(--hwo3t-text-gray);
            margin-bottom: 48px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Download Options Section */
        .hwo3t-download-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: center;
            width: 100%;
            max-width: var(--hwo3t-max-width);
            margin-top: 64px;
        }

        .hwo3t-download-card {
            flex: 1;
            min-width: 300px;
            background: #fff;
            padding: 48px;
            border-radius: var(--hwo3t-radius);
            box-shadow: var(--hwo3t-shadow);
            transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            display: flex;
            flex-direction: column;
            align-items: center;
            border: 1px solid rgba(0,0,0,0.03);
        }

        .hwo3t-download-card:hover {
            transform: translateY(-10px);
        }

        .hwo3t-card-icon {
            font-size: 48px;
            margin-bottom: 24px;
        }

        .hwo3t-card-title {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .hwo3t-card-desc {
            color: var(--hwo3t-text-gray);
            font-size: 14px;
            margin-bottom: 32px;
            text-align: center;
        }

        .hwo3t-btn-primary {
            background: linear-gradient(135deg, #FF7E47 0%, var(--hwo3t-primary) 100%);
            color: #fff;
            padding: 16px 48px;
            border-radius: 40px;
            text-decoration: none;
            font-weight: 600;
            font-size: 18px;
            transition: all 0.3s ease;
            box-shadow: 0 10px 20px rgba(255, 93, 27, 0.2);
        }

        .hwo3t-btn-primary:hover {
            box-shadow: 0 15px 30px rgba(255, 93, 27, 0.3);
            transform: scale(1.05);
        }

        .hwo3t-btn-outline {
            border: 1.5px solid var(--hwo3t-primary);
            color: var(--hwo3t-primary);
            padding: 12px 32px;
            border-radius: 40px;
            text-decoration: none;
            font-weight: 600;
            margin-top: 16px;
            transition: all 0.3s ease;
        }

        .hwo3t-btn-outline:hover {
            background: var(--hwo3t-primary);
            color: #fff;
        }

        /* Intelligence Solutions Section */
        .hwo3t-solutions {
            padding: 96px 24px;
            max-width: var(--hwo3t-max-width);
            margin: 0 auto;
        }

        .hwo3t-section-header {
            text-align: center;
            margin-bottom: 64px;
        }

        .hwo3t-section-title {
            font-size: clamp(1.5rem, 3vw + 0.5rem, 2.5rem);
            font-weight: 700;
            margin-bottom: 16px;
        }

        .hwo3t-solution-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
            gap: 32px;
        }

        .hwo3t-solution-item {
            background: #fff;
            padding: 40px;
            border-radius: var(--hwo3t-radius);
            border: 1px solid rgba(0,0,0,0.05);
            min-width: 0;
        }

        .hwo3t-solution-tag {
            display: inline-block;
            padding: 6px 16px;
            background: var(--hwo3t-bg-light);
            color: var(--hwo3t-primary);
            font-size: 13px;
            font-weight: 600;
            border-radius: 20px;
            margin-bottom: 24px;
        }

        .hwo3t-solution-type {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .hwo3t-capability-list {
            list-style: none;
        }

        .hwo3t-capability-list li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 12px;
            color: var(--hwo3t-text-gray);
            font-size: 15px;
        }

        .hwo3t-capability-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--hwo3t-primary);
            font-weight: bold;
        }

        /* Dynamic Content Section */
        .hwo3t-news-section {
            background: #fff;
            padding: 96px 24px;
        }

        .hwo3t-news-container {
            max-width: var(--hwo3t-max-width);
            margin: 0 auto;
        }

        /* Footer */
        .hwo3t-footer {
            background: #111;
            color: #fff;
            padding: 80px 24px 40px;
        }

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

        .hwo3t-footer-brand {
            flex: 1;
            min-width: 250px;
        }

        .hwo3t-footer-brand-name {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }

        .hwo3t-footer-slogan {
            color: #888;
            font-size: 14px;
            max-width: 300px;
        }

        .hwo3t-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            flex: 2;
            justify-content: flex-end;
        }

        .hwo3t-footer-column {
            min-width: 120px;
        }

        .hwo3t-footer-column h4 {
            font-size: 16px;
            margin-bottom: 24px;
            font-weight: 600;
        }

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

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

        .hwo3t-footer-column ul li a {
            color: #888;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s ease;
        }

        .hwo3t-footer-column ul li a:hover {
            color: var(--hwo3t-primary);
        }

        .hwo3t-footer-bottom {
            max-width: var(--hwo3t-max-width);
            margin: 64px auto 0;
            padding-top: 32px;
            border-top: 1px solid #333;
            text-align: center;
            color: #666;
            font-size: 13px;
        }

        /* Mobile Adjustments */
        @media (max-width: 768px) {
            .hwo3t-nav-menu {
                display: none; /* In real product, a hamburger menu would be here */
            }

            .hwo3t-download-card {
                padding: 32px;
            }

            .hwo3t-solution-grid {
                grid-template-columns: 1fr;
            }

            .hwo3t-footer-links {
                justify-content: flex-start;
                gap: 32px;
            }
        }