:root {
            --owxzu4-primary: #D42323;
            --owxzu4-secondary: #FF4D4F;
            --owxzu4-accent: #1890FF;
            --owxzu4-dark: #1F1F1F;
            --owxzu4-light: #F5F5F5;
            --owxzu4-white: #FFFFFF;
            --owxzu4-text: #333333;
            --owxzu4-gray: #8C8C8C;
            --owxzu4-radius: 12px;
            --owxzu4-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--owxzu4-text);
            background-color: var(--owxzu4-white);
            line-height: 1.7;
            overflow-x: hidden;
            word-break: keep-all;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--owxzu4-transition);
        }

        /* Pilot System (Navigation) */
        .owxzu4-helm {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid rgba(0,0,0,0.05);
            padding: 0 5vw;
        }

        .owxzu4-steer-wrap {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
            min-height: 80px;
        }

        .owxzu4-logo {
            flex: 0 0 auto;
            min-width: 0;
        }

        .owxzu4-logo img {
            height: 36px;
            display: block;
        }

        .owxzu4-rudder-list {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 24px;
        }

        .owxzu4-rudder-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--owxzu4-dark);
            padding: 8px 0;
            position: relative;
        }

        .owxzu4-rudder-link:hover, .owxzu4-rudder-link.active {
            color: var(--owxzu4-primary);
        }

        .owxzu4-rudder-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--owxzu4-primary);
        }

        /* Theatre Zone (Hero) */
        .owxzu4-theatre {
            padding: 160px 5vw 80px;
            background: linear-gradient(135deg, #FFF5F5 0%, #FFFFFF 100%);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            min-height: 80vh;
        }

        .owxzu4-theatre-vessel {
            max-width: 1100px;
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            min-width: 0;
        }

        .owxzu4-theatre-text {
            flex: 1 1 500px;
            min-width: 0;
        }

        .owxzu4-theatre-visual {
            flex: 1 1 400px;
            min-width: 0;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .owxzu4-spotlight-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4rem);
            line-height: 1.2;
            font-weight: 800;
            margin-bottom: 24px;
            color: var(--owxzu4-dark);
            word-break: break-word;
        }

        .owxzu4-spotlight-sub {
            font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.4rem);
            color: var(--owxzu4-gray);
            margin-bottom: 40px;
            max-width: 600px;
        }

        .owxzu4-launcher {
            display: inline-flex;
            align-items: center;
            background: var(--owxzu4-primary);
            color: var(--owxzu4-white);
            padding: 16px 40px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.1rem;
            box-shadow: 0 10px 30px rgba(212, 35, 35, 0.3);
            transition: var(--owxzu4-transition);
        }

        .owxzu4-launcher:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(212, 35, 35, 0.4);
            background: var(--owxzu4-secondary);
        }

        /* Logic Region (Recovery Steps) */
        .owxzu4-logic-region {
            padding: 96px 5vw;
            background: var(--owxzu4-white);
        }

        .owxzu4-vessel-title {
            text-align: center;
            margin-bottom: 64px;
        }

        .owxzu4-vessel-title h2 {
            font-size: clamp(2rem, 3vw + 1rem, 2.8rem);
            margin-bottom: 16px;
        }

        .owxzu4-grid-space {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
            max-width: 1400px;
            margin: 0 auto;
        }

        .owxzu4-panel-unit {
            background: var(--owxzu4-light);
            padding: 48px;
            border-radius: var(--owxzu4-radius);
            transition: var(--owxzu4-transition);
            border: 1px solid transparent;
            word-break: break-word;
        }

        .owxzu4-panel-unit:hover {
            background: var(--owxzu4-white);
            border-color: var(--owxzu4-primary);
            box-shadow: 0 20px 50px rgba(0,0,0,0.05);
            transform: translateY(-8px);
        }

        .owxzu4-unit-icon {
            font-size: 3rem;
            margin-bottom: 24px;
            color: var(--owxzu4-primary);
        }

        .owxzu4-unit-label {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .owxzu4-unit-desc {
            color: var(--owxzu4-gray);
            font-size: 1rem;
        }

        /* Action Strip (Dynamic Area) */
        .owxzu4-action-strip {
            background: var(--owxzu4-dark);
            color: var(--owxzu4-white);
            padding: 80px 5vw;
            text-align: center;
        }

        .owxzu4-action-vessel {
            max-width: 900px;
            margin: 0 auto;
        }

        .owxzu4-dynamic-tag {
            display: inline-block;
            background: var(--owxzu4-primary);
            padding: 4px 16px;
            border-radius: 4px;
            font-size: 0.8rem;
            text-transform: uppercase;
            margin-bottom: 24px;
        }

        /* Feature Flow */
        .owxzu4-flow-zone {
            padding: 96px 5vw;
            background: #FAFAFA;
        }

        .owxzu4-flow-piece {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
            max-width: 1200px;
            margin: 0 auto 80px;
        }

        .owxzu4-flow-piece:nth-child(even) {
            flex-direction: row-reverse;
        }

        .owxzu4-flow-info {
            flex: 1 1 450px;
            min-width: 0;
        }

        .owxzu4-flow-info h3 {
            font-size: 2.2rem;
            margin-bottom: 24px;
        }

        .owxzu4-benefit-slab {
            background: var(--owxzu4-white);
            padding: 24px;
            border-left: 4px solid var(--owxzu4-primary);
            margin-top: 24px;
            border-radius: 0 8px 8px 0;
        }

        /* Bedrock Foundation (Footer) */
        .owxzu4-bedrock {
            background: #111;
            color: #AAA;
            padding: 80px 5vw 40px;
        }

        .owxzu4-base-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
            max-width: 1400px;
            margin: 0 auto;
            border-bottom: 1px solid #222;
            padding-bottom: 64px;
        }

        .owxzu4-base-brand {
            flex: 1 1 300px;
            min-width: 0;
        }

        .owxzu4-base-brand h4 {
            color: var(--owxzu4-white);
            font-size: 1.5rem;
            margin-bottom: 24px;
        }

        .owxzu4-base-links {
            flex: 2 1 600px;
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            min-width: 0;
        }

        .owxzu4-link-group {
            flex: 1 1 150px;
            min-width: 0;
        }

        .owxzu4-link-group h5 {
            color: var(--owxzu4-white);
            margin-bottom: 20px;
            font-size: 1rem;
        }

        .owxzu4-link-group ul {
            list-style: none;
        }

        .owxzu4-link-group li {
            margin-bottom: 12px;
        }

        .owxzu4-link-group a:hover {
            color: var(--owxzu4-primary);
        }

        .owxzu4-ground-info {
            text-align: center;
            padding-top: 40px;
            font-size: 0.9rem;
        }

        /* Mobile Adjustments */
        @media (max-width: 992px) {
            .owxzu4-helm {
                padding: 10px 5vw;
            }
            .owxzu4-rudder-list {
                display: none; /* In real site would be a burger menu */
            }
            .owxzu4-theatre {
                padding-top: 120px;
                text-align: center;
            }
            .owxzu4-theatre-text {
                flex: 1 1 100%;
            }
        }

        @media (max-width: 768px) {
            .owxzu4-grid-space {
                grid-template-columns: 1fr;
            }
            .owxzu4-flow-piece {
                gap: 32px;
            }
        }