:root {
            --hwo3t-primary: #EE4134;
            --hwo3t-primary-grad: linear-gradient(135deg, #FF5A00 0%, #EE4134 100%);
            --hwo3t-secondary: #2C3E50;
            --hwo3t-bg-light: #F8F9FA;
            --hwo3t-text-dark: #1D1D1F;
            --hwo3t-text-muted: #6E6E73;
            --hwo3t-white: #FFFFFF;
            --hwo3t-max-width: 1400px;
            --hwo3t-radius: 16px;
            --hwo3t-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }

        * {
            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-dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Fluid Typography */
        h1 { font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem); line-height: 1.1; font-weight: 800; word-break: keep-all; }
        h2 { font-size: clamp(1.8rem, 3vw + 0.5rem, 2.8rem); line-height: 1.2; font-weight: 700; word-break: keep-all; }
        h3 { font-size: clamp(1.2rem, 1.5vw + 0.5rem, 1.8rem); font-weight: 600; }
        p { font-size: clamp(1rem, 0.5vw + 0.8rem, 1.15rem); line-height: 1.8; color: var(--hwo3t-text-muted); word-break: break-word; }

        .hwo3t-container {
            max-width: var(--hwo3t-max-width);
            margin: 0 auto;
            padding: 0 48px;
        }

        /* Navigation */
        .hwo3t-navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        .hwo3t-nav-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            height: 80px;
            max-width: var(--hwo3t-max-width);
            margin: 0 auto;
            padding: 0 48px;
        }

        .hwo3t-logo {
            min-width: 0;
            flex-shrink: 0;
        }

        .hwo3t-logo img {
            height: 36px;
            width: auto;
            display: block;
        }

        .hwo3t-nav-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 32px;
            min-width: 0;
        }

        .hwo3t-nav-item a {
            text-decoration: none;
            color: var(--hwo3t-text-dark);
            font-weight: 500;
            font-size: 15px;
            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);
            font-weight: 700;
        }

        /* Hero Section - Unique Diagonal Layout */
        .hwo3t-hero {
            position: relative;
            min-height: 100vh;
            padding-top: 120px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: #fff;
        }

        .hwo3t-hero-content {
            flex: 1;
            min-width: 0;
            z-index: 2;
            padding-right: 64px;
        }

        .hwo3t-hero-image {
            flex: 1.2;
            min-width: 0;
            position: relative;
            height: 80vh;
            border-radius: var(--hwo3t-radius);
            overflow: hidden;
            box-shadow: var(--hwo3t-shadow);
        }

        .hwo3t-hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .hwo3t-hero:hover .hwo3t-hero-image img {
            transform: scale(1.05);
        }

        .hwo3t-hero-badge {
            display: inline-block;
            padding: 8px 16px;
            background: rgba(238, 65, 52, 0.1);
            color: var(--hwo3t-primary);
            border-radius: 100px;
            font-weight: 600;
            margin-bottom: 24px;
        }

        .hwo3t-hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 48px;
        }

        .hwo3t-btn-primary {
            background: var(--hwo3t-primary-grad);
            color: white;
            padding: 18px 40px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            box-shadow: 0 10px 20px rgba(238, 65, 52, 0.3);
        }

        .hwo3t-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(238, 65, 52, 0.4);
        }

        /* Scenario Section - Bento Grid Style */
        .hwo3t-scenarios {
            padding: 96px 0;
            background: var(--hwo3t-white);
        }

        .hwo3t-section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 64px;
        }

        .hwo3t-grid-layout {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
        }

        .hwo3t-scenario-card {
            background: var(--hwo3t-bg-light);
            border-radius: var(--hwo3t-radius);
            padding: 48px;
            transition: all 0.4s ease;
            border: 1px solid transparent;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .hwo3t-scenario-card:hover {
            background: #fff;
            border-color: rgba(238, 65, 52, 0.2);
            transform: translateY(-10px);
            box-shadow: var(--hwo3t-shadow);
        }

        .hwo3t-scenario-icon {
            font-size: 40px;
            margin-bottom: 24px;
        }

        .hwo3t-capability-list {
            margin-top: 24px;
            list-style: none;
        }

        .hwo3t-capability-item {
            padding: 8px 0;
            display: flex;
            align-items: center;
            font-size: 15px;
            color: var(--hwo3t-text-muted);
        }

        .hwo3t-capability-item::before {
            content: "✓";
            color: var(--hwo3t-primary);
            margin-right: 12px;
            font-weight: bold;
        }

        /* AI Engine Block - Text Overlay */
        .hwo3t-ai-block {
            padding: 96px 0;
            background: #000;
            color: #fff;
            overflow: hidden;
            position: relative;
        }

        .hwo3t-ai-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
        }

        .hwo3t-ai-image {
            flex: 1;
            min-width: 300px;
            border-radius: var(--hwo3t-radius);
            overflow: hidden;
        }

        .hwo3t-ai-image img {
            width: 100%;
            height: auto;
            display: block;
            opacity: 0.8;
        }

        .hwo3t-ai-info {
            flex: 1;
            min-width: 300px;
        }

        .hwo3t-ai-info h2 { color: #fff; margin-bottom: 24px; }
        .hwo3t-ai-info p { color: #A1A1A6; }

        /* Lifestyle Section - Alternating Layout */
        .hwo3t-lifestyle-section {
            padding: 128px 0;
        }

        .hwo3t-lifestyle-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 80px;
        }

        .hwo3t-lifestyle-img-wrap {
            flex: 1.2;
            min-width: 300px;
        }

        .hwo3t-lifestyle-img-wrap img {
            width: 100%;
            border-radius: 40px;
            box-shadow: 20px 20px 60px rgba(0,0,0,0.1);
        }

        .hwo3t-lifestyle-text {
            flex: 1;
            min-width: 300px;
        }

        /* Footer */
        .hwo3t-main-footer {
            position: relative;
            background: #111;
            color: white;
            padding: 120px 0 60px;
            overflow: hidden;
        }

        .hwo3t-footer-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
        }

        .hwo3t-footer-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.2;
        }

        .hwo3t-footer-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 64px;
        }

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

        .hwo3t-footer-brand-name {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 16px;
            color: #fff;
        }

        .hwo3t-footer-links {
            flex: 2;
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            min-width: 300px;
        }

        .hwo3t-footer-column {
            flex: 1;
            min-width: 120px;
        }

        .hwo3t-footer-column h4 {
            margin-bottom: 24px;
            font-size: 16px;
            color: #fff;
        }

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

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

        .hwo3t-footer-column a {
            color: #A1A1A6;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s;
        }

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

        .hwo3t-copyright {
            margin-top: 80px;
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.1);
            text-align: center;
            color: #6E6E73;
            font-size: 13px;
            position: relative;
            z-index: 2;
        }

        /* Responsive Breakpoints */
        @media (max-width: 1024px) {
            .hwo3t-hero-content { padding-right: 0; margin-bottom: 48px; text-align: center; }
            .hwo3t-hero { flex-direction: column; text-align: center; padding-bottom: 80px; }
            .hwo3t-hero-btns { justify-content: center; }
            .hwo3t-hero-image { width: 100%; height: 50vh; }
        }

        @media (max-width: 768px) {
            .hwo3t-container, .hwo3t-nav-inner { padding: 0 24px; }
            .hwo3t-nav-menu { display: none; } /* Mobile menu toggle would go here in JS */
            .hwo3t-grid-layout { grid-template-columns: 1fr; }
            .hwo3t-lifestyle-inner { gap: 40px; }
            .hwo3t-lifestyle-img-wrap { order: 2; }
            .hwo3t-lifestyle-text { order: 1; }
        }