:root {
            --r6tl-primary: #FF6C37;
            --r6tl-secondary: #00F2FE;
            --r6tl-dark: #212121;
            --r6tl-light: #F8F9FA;
            --r6tl-text: #333333;
            --r6tl-gray: #666666;
            --r6tl-border: #E5E5E5;
            --r6tl-glass: rgba(255, 255, 255, 0.8);
            --r6tl-max-width: 1300px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--r6tl-text);
            line-height: 1.6;
            background-color: #ffffff;
            overflow-x: hidden;
            word-break: keep-all;
        }

        /* Layout Helpers */
        .r6tl-container {
            max-width: var(--r6tl-max-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* Navigation */
        .r6tl-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--r6tl-glass);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--r6tl-border);
            transition: all 0.3s ease;
        }

        .r6tl-nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
            flex-wrap: wrap;
        }

        .r6tl-logo {
            display: flex;
            align-items: center;
            min-width: 0;
        }

        .r6tl-logo img {
            height: 32px;
            width: auto;
        }

        .r6tl-nav-menu {
            display: flex;
            list-style: none;
            gap: 16px;
            flex-wrap: wrap;
            min-width: 0;
        }

        .r6tl-nav-item a {
            text-decoration: none;
            color: var(--r6tl-dark);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 4px;
            transition: all 0.2s;
            white-space: nowrap;
        }

        .r6tl-nav-item a:hover {
            color: var(--r6tl-primary);
            background: rgba(255, 108, 55, 0.05);
        }

        .r6tl-nav-item a.active {
            color: var(--r6tl-primary);
            font-weight: 700;
            border-bottom: 2px solid var(--r6tl-primary);
            border-radius: 0;
        }

        /* Hero Section - Split Diagonal Design */
        .r6tl-hero {
            padding-top: 140px;
            padding-bottom: 96px;
            background: linear-gradient(135deg, #FFF5F2 0%, #FFFFFF 50%, #F0FDFF 100%);
            position: relative;
            overflow: hidden;
        }

        .r6tl-hero-content {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
        }

        .r6tl-hero-text {
            flex: 1;
            min-width: 320px;
            word-break: break-word;
        }

        .r6tl-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4rem);
            line-height: 1.1;
            font-weight: 800;
            color: var(--r6tl-dark);
            margin-bottom: 24px;
        }

        .r6tl-hero-subtitle {
            font-size: clamp(1.1rem, 1vw + 0.8rem, 1.4rem);
            color: var(--r6tl-gray);
            margin-bottom: 40px;
            max-width: 600px;
        }

        .r6tl-hero-visual {
            flex: 1;
            min-width: 320px;
            display: flex;
            justify-content: center;
            position: relative;
        }

        .r6tl-hero-card {
            background: white;
            padding: 40px;
            border-radius: 24px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
            border: 1px solid var(--r6tl-border);
            max-width: 500px;
            width: 100%;
        }

        /* Matrix Section */
        .r6tl-matrix-section {
            padding: 96px 0;
            background: white;
        }

        .r6tl-section-tag {
            display: inline-block;
            padding: 4px 16px;
            background: rgba(0, 242, 254, 0.1);
            color: #008C94;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .r6tl-section-title {
            font-size: clamp(1.8rem, 3vw + 0.5rem, 2.5rem);
            margin-bottom: 48px;
            color: var(--r6tl-dark);
        }

        .r6tl-matrix-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
        }

        .r6tl-matrix-card {
            padding: 40px;
            border-radius: 16px;
            background: var(--r6tl-light);
            border: 1px solid transparent;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .r6tl-matrix-card:hover {
            border-color: var(--r6tl-primary);
            background: white;
            transform: translateY(-8px);
            box-shadow: 0 15px 30px rgba(255, 108, 55, 0.1);
        }

        .r6tl-card-stage {
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--r6tl-primary);
            margin-bottom: 12px;
            font-weight: 700;
        }

        .r6tl-card-method {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 24px;
            color: var(--r6tl-dark);
        }

        .r6tl-tool-item {
            margin-bottom: 20px;
        }

        .r6tl-tool-name {
            display: block;
            font-weight: 600;
            font-size: 15px;
            margin-bottom: 4px;
            color: var(--r6tl-dark);
        }

        .r6tl-tool-desc {
            font-size: 14px;
            color: var(--r6tl-gray);
            line-height: 1.5;
        }

        /* Dynamic Content Section */
        .r6tl-dynamic-section {
            padding: 96px 0;
            background: #F0F2F5;
        }

        .r6tl-content-list {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        .r6tl-article-item {
            flex: 1;
            min-width: 300px;
            background: white;
            border-radius: 12px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .r6tl-article-body {
            padding: 24px;
        }

        .r6tl-article-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--r6tl-dark);
        }

        /* Footer */
        .r6tl-footer {
            background: var(--r6tl-dark);
            color: white;
            padding: 80px 0 40px;
        }

        .r6tl-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            margin-bottom: 64px;
        }

        .r6tl-footer-brand h2 {
            font-size: 24px;
            margin-bottom: 16px;
            color: white;
        }

        .r6tl-footer-brand p {
            color: #AAA;
            font-size: 14px;
        }

        .r6tl-footer-links h4 {
            font-size: 16px;
            margin-bottom: 24px;
            color: var(--r6tl-primary);
        }

        .r6tl-footer-links ul {
            list-style: none;
        }

        .r6tl-footer-links li {
            margin-bottom: 12px;
        }

        .r6tl-footer-links a {
            color: #CCC;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.2s;
        }

        .r6tl-footer-links a:hover {
            color: white;
        }

        .r6tl-copyright {
            padding-top: 32px;
            border-top: 1px solid #333;
            text-align: center;
            font-size: 13px;
            color: #888;
        }

        /* Responsive Design */
        @media (max-width: 992px) {
            .r6tl-nav-wrapper {
                height: auto;
                padding: 16px 0;
            }
            .r6tl-nav-menu {
                margin-top: 16px;
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 768px) {
            .r6tl-hero {
                padding-top: 160px;
                text-align: center;
            }
            .r6tl-hero-content {
                justify-content: center;
            }
            .r6tl-hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
            .r6tl-matrix-grid {
                grid-template-columns: 1fr;
            }
        }