:root {
            --f1k9tez-primary: #D93B30;
            --f1k9tez-accent: #FF5722;
            --f1k9tez-dark: #1A1A1A;
            --f1k9tez-light: #F8F9FA;
            --f1k9tez-text: #333333;
            --f1k9tez-gray: #666666;
            --f1k9tez-white: #FFFFFF;
            --f1k9tez-shadow: 0 10px 30px rgba(0,0,0,0.08);
            --f1k9tez-radius: 12px;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--f1k9tez-text);
            background-color: var(--f1k9tez-white);
            line-height: 1.8;
            overflow-x: hidden;
        }

        /* Layout Units */
        .f1k9tez-stasis {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        .f1k9tez-enclave {
            display: flex;
            flex-wrap: wrap;
            min-width: 0;
            align-items: center;
        }

        /* Ribon - Navigation */
        .f1k9tez-ribon {
            height: 80px;
            display: flex;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

        .f1k9tez-ribon .f1k9tez-enclave {
            justify-content: space-between;
            width: 100%;
        }

        .f1k9tez-logo {
            flex: 0 0 auto;
            min-width: 0;
        }

        .f1k9tez-logo img {
            height: 36px;
            display: block;
        }

        .f1k9tez-pindex {
            display: flex;
            flex-wrap: wrap;
            min-width: 0;
            gap: 32px;
        }

        .f1k9tez-pindex a {
            text-decoration: none;
            color: var(--f1k9tez-text);
            font-weight: 500;
            font-size: 16px;
            transition: color 0.3s;
            position: relative;
        }

        .f1k9tez-pindex a:hover {
            color: var(--f1k9tez-primary);
        }

        .f1k9tez-pindex a.f1k9tez-active {
            color: var(--f1k9tez-primary);
        }

        .f1k9tez-pindex a.f1k9tez-active::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--f1k9tez-primary);
        }

        /* Vantage - Hero area */
        .f1k9tez-vantage {
            padding: 96px 0;
            background: linear-gradient(135deg, #FFF5F4 0%, #FFFFFF 100%);
            position: relative;
            overflow: hidden;
        }

        .f1k9tez-vantage::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(217,59,48,0.05) 0%, transparent 70%);
            z-index: 0;
        }

        .f1k9tez-vantage .f1k9tez-enclave {
            gap: 48px;
        }

        .f1k9tez-parch {
            flex: 1;
            min-width: 320px;
            z-index: 1;
        }

        .f1k9tez-parch h1 {
            font-size: clamp(2rem, 5vw, 3.5rem);
            line-height: 1.2;
            color: var(--f1k9tez-dark);
            margin-bottom: 24px;
            word-break: keep-all;
            white-space: normal;
        }

        .f1k9tez-parch p {
            font-size: clamp(1rem, 2vw, 1.25rem);
            color: var(--f1k9tez-gray);
            margin-bottom: 40px;
            max-width: 600px;
            word-break: break-word;
        }

        .f1k9tez-frontis {
            flex: 1;
            min-width: 320px;
            display: flex;
            justify-content: center;
        }

        .f1k9tez-frontis img {
            max-width: 100%;
            border-radius: var(--f1k9tez-radius);
            box-shadow: var(--f1k9tez-shadow);
        }

        /* Folio - Content Sections */
        .f1k9tez-folio {
            padding: 80px 0;
        }

        .f1k9tez-folio-alt {
            background-color: var(--f1k9tez-light);
        }

        .f1k9tez-quarto-group {
            display: flex;
            flex-wrap: wrap;
            min-width: 0;
            gap: 24px;
            margin-top: 48px;
        }

        .f1k9tez-quarto {
            flex: 1;
            min-width: 280px;
            background: var(--f1k9tez-white);
            padding: 40px;
            border-radius: var(--f1k9tez-radius);
            box-shadow: 0 4px 20px rgba(0,0,0,0.03);
            transition: transform 0.3s, box-shadow 0.3s;
            text-align: center;
            border: 1px solid rgba(0,0,0,0.03);
        }

        .f1k9tez-quarto:hover {
            transform: translateY(-8px);
            box-shadow: var(--f1k9tez-shadow);
        }

        .f1k9tez-plaque {
            font-size: 40px;
            margin-bottom: 20px;
            color: var(--f1k9tez-primary);
        }

        .f1k9tez-quarto h3 {
            font-size: 22px;
            margin-bottom: 16px;
            color: var(--f1k9tez-dark);
        }

        .f1k9tez-sigil {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(217,59,48,0.1);
            color: var(--f1k9tez-primary);
            border-radius: 20px;
            font-size: 12px;
            font-weight: bold;
            margin-bottom: 12px;
        }

        .f1k9tez-impel {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            background-color: var(--f1k9tez-primary);
            color: var(--f1k9tez-white);
            text-decoration: none;
            border-radius: 8px;
            font-weight: 600;
            transition: all 0.3s;
            cursor: pointer;
            border: none;
            font-size: 16px;
        }

        .f1k9tez-impel:hover {
            background-color: var(--f1k9tez-accent);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(217,59,48,0.3);
        }

        .f1k9tez-impel-ghost {
            background-color: transparent;
            border: 2px solid var(--f1k9tez-primary);
            color: var(--f1k9tez-primary);
        }

        .f1k9tez-impel-ghost:hover {
            background-color: var(--f1k9tez-primary);
            color: var(--f1k9tez-white);
        }

        /* Feature Blocks */
        .f1k9tez-folio .f1k9tez-enclave-reverse {
            flex-direction: row-reverse;
        }

        .f1k9tez-text-block {
            flex: 1;
            min-width: 320px;
            padding: 40px;
        }

        .f1k9tez-text-block h2 {
            font-size: clamp(1.5rem, 3vw, 2.5rem);
            margin-bottom: 24px;
            color: var(--f1k9tez-dark);
        }

        .f1k9tez-image-block {
            flex: 1;
            min-width: 320px;
            padding: 20px;
        }

        .f1k9tez-image-block img {
            width: 100%;
            border-radius: var(--f1k9tez-radius);
            box-shadow: var(--f1k9tez-shadow);
            display: block;
        }

        /* Finis - Footer */
        .f1k9tez-finis {
            padding: 80px 0 40px;
            background-color: #1A1A1A;
            color: rgba(255,255,255,0.7);
        }

        .f1k9tez-colophon {
            display: flex;
            flex-wrap: wrap;
            min-width: 0;
            gap: 64px;
            margin-bottom: 64px;
        }

        .f1k9tez-finis-brand {
            font-size: 24px;
            font-weight: bold;
            color: var(--f1k9tez-white);
            margin-bottom: 20px;
        }

        .f1k9tez-finis-links {
            display: flex;
            flex-wrap: wrap;
            min-width: 0;
            gap: 80px;
            flex: 1;
        }

        .f1k9tez-finis-group-title {
            color: var(--f1k9tez-white);
            font-weight: 600;
            margin-bottom: 24px;
            font-size: 18px;
        }

        .f1k9tez-finis-list {
            list-style: none;
        }

        .f1k9tez-finis-list li {
            margin-bottom: 12px;
        }

        .f1k9tez-finis-list a {
            color: rgba(255,255,255,0.6);
            text-decoration: none;
            transition: color 0.3s;
        }

        .f1k9tez-finis-list a:hover {
            color: var(--f1k9tez-white);
        }

        .f1k9tez-copyright {
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.1);
            text-align: center;
            font-size: 14px;
        }

        /* Mobile Adjustments */
        @media (max-width: 768px) {
            .f1k9tez-ribon { height: auto; padding: 16px 0; }
            .f1k9tez-pindex { gap: 16px; margin-top: 16px; width: 100%; justify-content: center; }
            .f1k9tez-vantage { padding: 48px 0; text-align: center; }
            .f1k9tez-parch p { margin-left: auto; margin-right: auto; }
            .f1k9tez-text-block { padding: 20px; text-align: center; }
            .f1k9tez-finis-links { gap: 40px; }
        }