:root {
            --hwo3t-primary: #ff6600;
            --hwo3t-primary-light: #ff8533;
            --hwo3t-secondary: #2b2b2b;
            --hwo3t-accent: #4a90e2;
            --hwo3t-bg-light: #f8f9fa;
            --hwo3t-text-dark: #1d1d1f;
            --hwo3t-text-gray: #6e6e73;
            --hwo3t-white: #ffffff;
            --hwo3t-radius: 16px;
            --hwo3t-shadow: 0 10px 30px rgba(0,0,0,0.08);
            --hwo3t-max-width: 1320px;
        }

        * {
            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;
        }

        /* Layout Helpers */
        .hwo3t-container {
            max-width: var(--hwo3t-max-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        .hwo3t-flex {
            display: flex;
            flex-wrap: wrap;
        }

        .hwo3t-flex-item {
            min-width: 0;
        }

        /* Typography */
        h1, h2, h3 {
            word-break: keep-all;
            white-space: normal;
            line-height: 1.2;
        }

        p {
            word-break: break-word;
            overflow-wrap: break-word;
            line-height: 1.8;
        }

        .hwo3t-fluid-h1 {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            font-weight: 700;
            margin-bottom: 24px;
        }

        .hwo3t-fluid-h2 {
            font-size: clamp(1.8rem, 3vw + 0.5rem, 2.8rem);
            font-weight: 600;
            margin-bottom: 32px;
        }

        /* Navigation */
        .hwo3t-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 1000;
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        .hwo3t-nav-container {
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

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

        .hwo3t-logo img {
            height: 32px;
            display: block;
        }

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

        .hwo3t-nav-link {
            text-decoration: none;
            color: var(--hwo3t-text-dark);
            font-size: 15px;
            font-weight: 500;
            transition: color 0.3s;
            position: relative;
        }

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

        .hwo3t-nav-link.active {
            color: var(--hwo3t-primary);
        }

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

        /* Hero Section - Unique Layered Design */
        .hwo3t-hero {
            padding-top: 140px;
            padding-bottom: 96px;
            background: radial-gradient(circle at 90% 10%, rgba(255, 102, 0, 0.05) 0%, transparent 40%);
            position: relative;
        }

        .hwo3t-hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }

        .hwo3t-hero-content {
            z-index: 2;
        }

        .hwo3t-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 102, 0, 0.1);
            color: var(--hwo3t-primary);
            border-radius: 100px;
            font-weight: 600;
            font-size: 14px;
            margin-bottom: 24px;
        }

        .hwo3t-hero-subtitle {
            font-size: clamp(1.1rem, 1.5vw, 1.3rem);
            color: var(--hwo3t-text-gray);
            margin-bottom: 40px;
            max-width: 540px;
        }

        .hwo3t-hero-visual {
            position: relative;
            height: 500px;
            background: var(--hwo3t-white);
            border-radius: var(--hwo3t-radius);
            box-shadow: var(--hwo3t-shadow);
            border: 1px solid rgba(0,0,0,0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        /* Decorative UI Elements for Editor Feel */
        .hwo3t-editor-mockup {
            width: 80%;
            height: 60%;
            background: #f0f0f5;
            border-radius: 12px;
            position: relative;
            padding: 20px;
        }

        .hwo3t-editor-tool {
            position: absolute;
            background: var(--hwo3t-white);
            border-radius: 8px;
            padding: 12px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            font-size: 12px;
            font-weight: bold;
        }

        .hwo3t-tool-1 { top: -20px; left: -20px; border-left: 4px solid var(--hwo3t-primary); }
        .hwo3t-tool-2 { bottom: 20px; right: -30px; border-left: 4px solid var(--hwo3t-accent); }

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

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

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

        .hwo3t-scenario-card {
            padding: 48px;
            border-radius: var(--hwo3t-radius);
            background: var(--hwo3t-bg-light);
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            border: 1px solid transparent;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .hwo3t-scenario-card:hover {
            transform: translateY(-8px);
            background: var(--hwo3t-white);
            border-color: rgba(255, 102, 0, 0.2);
            box-shadow: var(--hwo3t-shadow);
        }

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

        .hwo3t-scenario-title {
            font-size: 24px;
            margin-bottom: 16px;
            color: var(--hwo3t-text-dark);
        }

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

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

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

        /* Features Section */
        .hwo3t-features {
            padding: 96px 0;
        }

        .hwo3t-feature-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
            margin-bottom: 96px;
        }

        .hwo3t-feature-row:nth-child(even) {
            flex-direction: row-reverse;
        }

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

        .hwo3t-feature-image {
            flex: 1.2;
            min-width: 320px;
            background: linear-gradient(135deg, #eee 0%, #ddd 100%);
            border-radius: var(--hwo3t-radius);
            aspect-ratio: 16 / 10;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .hwo3t-feature-image::after {
            content: '皮肤预览占位';
            color: #999;
            font-weight: 500;
        }

        /* CTA Section */
        .hwo3t-cta {
            padding: 96px 0;
            text-align: center;
            background: var(--hwo3t-secondary);
            color: var(--hwo3t-white);
            margin: 64px 24px;
            border-radius: 32px;
        }

        .hwo3t-btn {
            display: inline-block;
            padding: 16px 48px;
            background: var(--hwo3t-primary);
            color: var(--hwo3t-white);
            text-decoration: none;
            border-radius: 100px;
            font-weight: 600;
            font-size: 18px;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
        }

        .hwo3t-btn:hover {
            background: var(--hwo3t-primary-light);
            transform: scale(1.05);
            box-shadow: 0 10px 20px rgba(255, 102, 0, 0.3);
        }

        /* Footer */
        .hwo3t-footer {
            padding: 80px 0 40px;
            background-color: var(--hwo3t-white);
            border-top: 1px solid rgba(0,0,0,0.05);
        }

        .hwo3t-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            margin-bottom: 64px;
        }

        .hwo3t-footer-brand {
            grid-column: span 2;
        }

        @media (max-width: 992px) {
            .hwo3t-footer-brand { grid-column: span 1; }
        }

        .hwo3t-footer-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 24px;
        }

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

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

        .hwo3t-footer-link {
            text-decoration: none;
            color: var(--hwo3t-text-gray);
            font-size: 14px;
            transition: color 0.3s;
        }

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

        .hwo3t-copyright {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid rgba(0,0,0,0.05);
            color: var(--hwo3t-text-gray);
            font-size: 13px;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hwo3t-hero-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hwo3t-hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
            .hwo3t-nav-menu {
                display: none; /* In real project, implement a mobile burger menu */
            }
            .hwo3t-hero-visual {
                height: 350px;
            }
        }