:root {
            --primary: rgb(191,90,242);
            --primary-rgb: 191,90,242;
            --glacier-blue: #1D7BFF;
            --glacier-blue-rgb: 29,123,255;
            --deep-sea: #080B11;
            --deep-sea-card: #111622;
            --deep-sea-border: #1E2638;
            --silver-white: #F5F7FA;
            --text-main: #F5F7FA;
            --text-muted: #8F9CAE;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--deep-sea);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(8, 11, 17, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--deep-sea-border);
        }

        .header-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }

        .logo img {
            display: block;
            height: 36px;
            width: auto;
            max-width: 160px;
            object-fit: contain;
            flex-shrink: 0;
        }

        .logo span {
            display: inline-block;
            font-size: 18px;
            font-weight: 800;
            line-height: 1;
            color: var(--text-main);
            white-space: nowrap;
            letter-spacing: -0.5px;
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-desktop a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
        }

        .nav-desktop a:hover, .nav-desktop a.active {
            color: var(--text-main);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .btn-download-nav {
            background: linear-gradient(135deg, var(--glacier-blue), var(--primary));
            color: #fff;
            padding: 8px 18px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(29, 123, 255, 0.2);
        }

        .btn-download-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(191, 90, 242, 0.3);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-main);
            font-size: 24px;
            cursor: pointer;
        }

        
        .drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(4px);
            z-index: 1001;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }

        .drawer {
            position: fixed;
            top: 0;
            left: -300px;
            width: 300px;
            height: 100%;
            background: var(--deep-sea-card);
            border-right: 1px solid var(--deep-sea-border);
            z-index: 1002;
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 32px;
            transition: var(--transition);
        }

        .drawer.open {
            left: 0;
        }

        .drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }

        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .drawer-close {
            background: none;
            border: none;
            color: var(--text-muted);
            font-size: 24px;
            cursor: pointer;
        }

        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .drawer-nav a {
            font-size: 16px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .drawer-nav a:hover {
            color: var(--text-main);
            padding-left: 8px;
        }

        
        .list-hero {
            padding: 140px 24px 60px;
            background: linear-gradient(180deg, rgba(191,90,242,0.06) 0%, transparent 100%);
            border-bottom: 1px solid var(--deep-sea-border);
        }

        .list-hero-container {
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .breadcrumb {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .breadcrumb a:hover {
            color: var(--glacier-blue);
        }

        .list-title {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 800;
            letter-spacing: -1px;
            margin-bottom: 12px;
        }

        
        .about-section {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 60px 24px 100px;
        }

        .about-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            margin-bottom: 80px;
        }

        .about-text h2 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 24px;
        }

        .about-text p {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .about-visual {
            background: rgba(17, 22, 34, 0.6);
            border: 1px solid var(--deep-sea-border);
            border-radius: 24px;
            padding: 40px;
            position: relative;
        }

        
        .value-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
            margin-bottom: 80px;
        }

        .value-card {
            background: var(--deep-sea-card);
            border: 1px solid var(--deep-sea-border);
            border-radius: 20px;
            padding: 32px;
        }

        .value-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .value-card h3 span {
            color: var(--glacier-blue);
        }

        .value-card p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.6;
        }

        
        .timeline-section {
            background: rgba(17,22,34,0.3);
            border-radius: 30px;
            padding: 60px 40px;
            border: 1px solid var(--deep-sea-border);
        }

        .timeline-title {
            text-align: center;
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 48px;
        }

        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline::after {
            content: '';
            position: absolute;
            width: 2px;
            background: var(--deep-sea-border);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -1px;
        }

        .timeline-item {
            padding: 10px 40px;
            position: relative;
            background-color: inherit;
            width: 50%;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            width: 16px;
            height: 16px;
            right: -8px;
            background-color: var(--deep-sea);
            border: 4px solid var(--primary);
            top: 15px;
            border-radius: 50%;
            z-index: 1;
        }

        .left {
            left: 0;
        }

        .right {
            left: 50%;
        }

        .right::after {
            left: -8px;
        }

        .timeline-content {
            padding: 20px 30px;
            background-color: var(--deep-sea-card);
            position: relative;
            border-radius: 12px;
            border: 1px solid var(--deep-sea-border);
        }

        .timeline-content h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .timeline-content p {
            font-size: 14px;
            color: var(--text-muted);
        }

        
        .footer {
            background: #05070B;
            border-top: 1px solid var(--deep-sea-border);
            padding: 80px 24px 30px;
        }

        .footer-grid {
            max-width: var(--max-width);
            margin: 0 auto 48px;
            display: grid;
            grid-template-columns: 2fr repeat(3, 1fr);
            gap: 40px;
        }

        .footer-brand-info {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 320px;
        }

        .footer-brand-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 20px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--text-muted);
        }

        .footer-links a:hover {
            color: var(--glacier-blue);
            padding-left: 4px;
        }

        .footer-bottom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.05);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 13px;
            color: var(--text-muted);
        }

        @media (max-width: 900px) {
            .about-intro-grid {
                grid-template-columns: 1fr;
            }
            .timeline::after {
                left: 31px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            .timeline-item::after {
                left: 23px;
            }
            .right {
                left: 0%;
            }
        }

        @media (max-width: 768px) {
            .nav-desktop, .nav-actions .btn-download-nav {
                display: none;
            }
            .menu-toggle {
                display: block;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }