:root {
            --i0sbar-primary: #4d90fe;
            --i0sbar-text: #2c3e50;
            --i0sbar-bg: #f8f9fa;
            --i0sbar-white: #ffffff;
            --i0sbar-gray: #6c757d;
            --i0sbar-accent: #eef2f7;
            --i0sbar-spacing-unit: 8px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--i0sbar-text);
            background-color: var(--i0sbar-bg);
            line-height: 1.6;
            overflow-x: hidden;
            word-break: keep-all;
        }

        /* Layout Container */
        .i0sbar-container {
            max-width: 95vw;
            margin: 0 auto;
            padding: 0 calc(var(--i0sbar-spacing-unit) * 3);
        }

        /* Navigation */
        .i0sbar-nav-wrapper {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(15px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        .i0sbar-nav-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            height: 80px;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .i0sbar-logo {
            min-width: 0;
            flex: 0 0 auto;
        }

        .i0sbar-logo img {
            height: 40px;
            display: block;
        }

        .i0sbar-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 20px;
            min-width: 0;
        }

        .i0sbar-menu a {
            text-decoration: none;
            color: var(--i0sbar-text);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 4px;
            transition: color 0.3s ease;
            position: relative;
        }

        .i0sbar-menu a:hover {
            color: var(--i0sbar-primary);
        }

        .i0sbar-menu a.i0sbar-active {
            color: var(--i0sbar-primary);
        }

        .i0sbar-menu a.i0sbar-active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--i0sbar-primary);
        }

        /* Hero Section */
        .i0sbar-hero {
            padding: 160px 0 96px;
            background: linear-gradient(135deg, #fdfdfd 0%, #eef2f7 100%);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            min-height: 80vh;
        }

        .i0sbar-hero-content {
            flex: 1;
            min-width: 320px;
            padding-right: 48px;
        }

        .i0sbar-hero-title {
            font-size: clamp(2rem, 5vw, 3.5rem);
            line-height: 1.2;
            margin-bottom: 32px;
            font-weight: 800;
            color: #1a1a1a;
            white-space: normal;
            word-break: break-word;
        }

        .i0sbar-hero-subtitle {
            font-size: clamp(1rem, 1.5vw + 0.5rem, 1.25rem);
            color: var(--i0sbar-gray);
            margin-bottom: 40px;
            max-width: 600px;
            word-break: break-word;
        }

        .i0sbar-hero-visual {
            flex: 1;
            min-width: 320px;
            position: relative;
        }

        .i0sbar-hero-image-box {
            position: relative;
            box-shadow: 0 50px 100px rgba(0,0,0,0.1);
            border-radius: 24px;
            overflow: hidden;
            transform: perspective(1000px) rotateY(-5deg);
            transition: transform 0.5s ease;
        }

        .i0sbar-hero-image-box:hover {
            transform: perspective(1000px) rotateY(0deg);
        }

        .i0sbar-hero-visual img {
            width: 100%;
            display: block;
        }

        /* Theme Gallery Grid */
        .i0sbar-section {
            padding: 96px 0;
        }

        .i0sbar-section-header {
            text-align: center;
            margin-bottom: 64px;
        }

        .i0sbar-section-title {
            font-size: clamp(1.5rem, 3vw, 2.5rem);
            margin-bottom: 16px;
        }

        .i0sbar-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
            gap: 32px;
        }

        .i0sbar-card {
            background: var(--i0sbar-white);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .i0sbar-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 40px rgba(0,0,0,0.1);
        }

        .i0sbar-card-img {
            height: 240px;
            overflow: hidden;
        }

        .i0sbar-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .i0sbar-card:hover .i0sbar-card-img img {
            transform: scale(1.05);
        }

        .i0sbar-card-body {
            padding: 32px;
            flex-grow: 1;
        }

        .i0sbar-card-tag {
            font-size: 12px;
            text-transform: uppercase;
            color: var(--i0sbar-primary);
            font-weight: 700;
            margin-bottom: 12px;
            display: block;
        }

        .i0sbar-card-title {
            font-size: 1.5rem;
            margin-bottom: 16px;
            color: #1a1a1a;
        }

        .i0sbar-card-text {
            color: var(--i0sbar-gray);
            margin-bottom: 24px;
            font-size: 15px;
            word-break: break-word;
        }

        .i0sbar-btn {
            display: inline-block;
            padding: 12px 28px;
            background: var(--i0sbar-primary);
            color: white;
            text-decoration: none;
            border-radius: 8px;
            font-weight: 600;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }

        .i0sbar-btn:hover {
            background: #357ae8;
            box-shadow: 0 4px 12px rgba(77, 144, 254, 0.3);
        }

        .i0sbar-btn-outline {
            background: transparent;
            border: 2px solid var(--i0sbar-primary);
            color: var(--i0sbar-primary);
        }

        .i0sbar-btn-outline:hover {
            background: var(--i0sbar-primary);
            color: white;
        }

        /* Scenarios Section */
        .i0sbar-scenarios {
            background: #ffffff;
            border-radius: 40px;
            padding: 80px;
            margin: 48px 0;
        }

        .i0sbar-scenario-item {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-bottom: 64px;
            align-items: center;
        }

        .i0sbar-scenario-item:nth-child(even) {
            flex-direction: row-reverse;
        }

        .i0sbar-scenario-text {
            flex: 1;
            min-width: 300px;
        }

        .i0sbar-scenario-label {
            background: var(--i0sbar-accent);
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
            display: inline-block;
        }

        /* Dynamic Content Section */
        .i0sbar-update-section {
            background: #1a1a1a;
            color: white;
            padding: 80px 0;
            border-radius: 32px;
            text-align: center;
        }

        /* Footer */
        .i0sbar-footer {
            background: #fdfdfd;
            padding: 80px 0 40px;
            border-top: 1px solid #eee;
        }

        .i0sbar-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            margin-bottom: 64px;
        }

        .i0sbar-footer-brand h2 {
            font-size: 24px;
            margin-bottom: 16px;
            letter-spacing: -1px;
        }

        .i0sbar-footer-links h4 {
            margin-bottom: 24px;
            font-size: 16px;
        }

        .i0sbar-footer-links ul {
            list-style: none;
        }

        .i0sbar-footer-links li {
            margin-bottom: 12px;
        }

        .i0sbar-footer-links a {
            color: var(--i0sbar-gray);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s ease;
        }

        .i0sbar-footer-links a:hover {
            color: var(--i0sbar-primary);
        }

        .i0sbar-copyright {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid #eee;
            color: var(--i0sbar-gray);
            font-size: 13px;
        }

        /* Responsive Breakpoints */
        @media (max-width: 1024px) {
            .i0sbar-hero-content {
                padding-right: 0;
                text-align: center;
                margin-bottom: 48px;
            }
            .i0sbar-hero-subtitle {
                margin: 0 auto 40px;
            }
            .i0sbar-scenarios {
                padding: 40px;
            }
        }

        @media (max-width: 768px) {
            .i0sbar-nav-inner {
                height: auto;
                padding: 16px;
            }
            .i0sbar-menu {
                width: 100%;
                justify-content: center;
                padding-top: 16px;
                gap: 12px;
            }
            .i0sbar-grid {
                grid-template-columns: 1fr;
            }
            .i0sbar-scenario-item {
                text-align: center;
            }
            .i0sbar-hero {
                padding-top: 200px;
            }
        }