:root {
            --primary: rgb(88,86,214);
            --primary-light: rgba(88,86,214, 0.1);
            --primary-dark: rgb(68,66,194);
            --glacier-blue: #1D7BFF;
            --glacier-light: #E0F2FE;
            --glacier-bg: #F0F9FF;
            --silver-white: #F8FAFC;
            --deep-sea-ink: #0F172A;
            --deep-sea-light: #1E293B;
            --text-dark: #334155;
            --text-muted: #64748B;
            --border-color: #E2E8F0;
            --max-width: 1200px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--text-dark);
            background-color: #F8FAFC;
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: var(--transition);
        }

        .header-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            height: 70px;
            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: 40px;
            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(--deep-sea-ink);
            white-space: nowrap;
        }

        nav.nav-desktop {
            display: flex;
            align-items: center;
            gap: 24px;
        }

        nav.nav-desktop a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-dark);
            padding: 8px 12px;
            border-radius: 6px;
        }

        nav.nav-desktop a:hover, nav.nav-desktop a.active {
            color: var(--primary);
            background-color: var(--primary-light);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-register-top {
            background-color: var(--primary);
            color: #fff;
            padding: 10px 20px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(88,86,214, 0.2);
        }

        .btn-register-top:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
        }

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

        
        .drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(15, 23, 42, 0.6);
            backdrop-filter: blur(4px);
            z-index: 200;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }

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

        .drawer {
            position: fixed;
            top: 0;
            left: -320px;
            width: 300px;
            height: 100%;
            background-color: #fff;
            z-index: 201;
            box-shadow: 4px 0 24px rgba(0,0,0,0.15);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            padding: 24px;
        }

        .drawer.active {
            left: 0;
        }

        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 16px;
        }

        .drawer-close {
            background: none;
            border: none;
            font-size: 28px;
            cursor: pointer;
            color: var(--text-muted);
        }

        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 16px;
            overflow-y: auto;
            flex-grow: 1;
        }

        .drawer-nav a {
            font-size: 16px;
            font-weight: 600;
            color: var(--deep-sea-ink);
            padding: 12px;
            border-radius: 8px;
            display: block;
        }

        .drawer-nav a:hover {
            background-color: var(--primary-light);
            color: var(--primary);
        }

        
        .hero-layout-01 {
            background: radial-gradient(circle at 50% 0%, var(--glacier-light) 0%, var(--silver-white) 60%, #fff 100%);
            padding: 80px 20px 140px;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .hero-layout-01::before {
            content: '';
            position: absolute;
            top: -10%;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(29, 123, 255, 0.15) 0%, rgba(255,255,255,0) 70%);
            pointer-events: none;
            z-index: 1;
        }

        .hero-layout-01 .hero-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .hero-layout-01 .brand-badge {
            background-color: rgba(29, 123, 255, 0.1);
            color: var(--glacier-blue);
            font-size: 14px;
            font-weight: 700;
            padding: 8px 16px;
            border-radius: 50px;
            display: inline-block;
            margin-bottom: 24px;
            border: 1px solid rgba(29, 123, 255, 0.2);
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .hero-layout-01 h1 {
            font-size: clamp(32px, 5vw, 56px);
            font-weight: 800;
            line-height: 1.2;
            color: var(--deep-sea-ink);
            margin-bottom: 20px;
            letter-spacing: -1px;
        }

        .hero-layout-01 h1 span {
            background: linear-gradient(135deg, var(--glacier-blue) 0%, var(--primary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-layout-01 p.subtitle {
            font-size: clamp(16px, 2vw, 20px);
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 36px;
        }

        .hero-layout-01 .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-bottom: 64px;
            flex-wrap: wrap;
        }

        .hero-layout-01 .btn {
            padding: 16px 36px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 700;
            transition: var(--transition);
        }

        .hero-layout-01 .btn-primary {
            background-color: var(--glacier-blue);
            color: #fff;
            box-shadow: 0 10px 25px rgba(29, 123, 255, 0.3);
            border: 2px solid var(--glacier-blue);
        }

        .hero-layout-01 .btn-primary:hover {
            background-color: #0b66e3;
            border-color: #0b66e3;
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(29, 123, 255, 0.4);
        }

        .hero-layout-01 .btn-secondary {
            background-color: #fff;
            color: var(--deep-sea-ink);
            border: 2px solid var(--border-color);
        }

        .hero-layout-01 .btn-secondary:hover {
            border-color: var(--glacier-blue);
            color: var(--glacier-blue);
            transform: translateY(-3px);
        }

        
        .hero-visual-wrapper {
            position: relative;
            max-width: 960px;
            margin: 0 auto;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.6);
            box-shadow: 0 30px 60px rgba(15, 23, 42, 0.08);
            padding: 30px;
        }

        .main-panel-content {
            background-color: var(--deep-sea-ink);
            border-radius: 12px;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            box-shadow: inset 0 0 40px rgba(0,0,0,0.5);
            border: 1px solid var(--deep-sea-light);
        }

        .main-panel-content img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.85;
        }

        .panel-overlay-tech {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(29, 123, 255, 0.2) 0%, rgba(88, 86, 214, 0.2) 100%);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            color: #fff;
            padding: 24px;
        }

        .panel-overlay-tech h3 {
            font-size: clamp(20px, 3vw, 28px);
            font-weight: 700;
            margin-bottom: 12px;
            text-shadow: 0 2px 10px rgba(0,0,0,0.5);
        }

        .panel-overlay-tech p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 450px;
            text-shadow: 0 2px 6px rgba(0,0,0,0.5);
        }

        
        .floating-card {
            position: absolute;
            background: #fff;
            border-radius: 12px;
            padding: 16px 20px;
            box-shadow: 0 12px 30px rgba(15, 23, 42, 0.1);
            border: 1px solid rgba(226, 232, 240, 0.8);
            display: flex;
            align-items: center;
            gap: 16px;
            width: 250px;
            text-align: left;
            z-index: 10;
            transition: var(--transition);
        }

        .floating-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 16px 36px rgba(29, 123, 255, 0.15);
            border-color: rgba(29, 123, 255, 0.4);
        }

        .floating-card .icon-wrapper {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background-color: var(--glacier-bg);
            color: var(--glacier-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 20px;
            font-weight: 700;
        }

        .floating-card .card-info h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--deep-sea-ink);
            margin-bottom: 2px;
        }

        .floating-card .card-info p {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.3;
        }

        
        .card-top-left {
            top: -30px;
            left: -40px;
        }

        .card-top-right {
            top: -30px;
            right: -40px;
        }

        .card-bottom-left {
            bottom: -30px;
            left: -40px;
        }

        .card-bottom-right {
            bottom: -30px;
            right: -40px;
        }

        
        .trust-strip {
            background-color: var(--deep-sea-ink);
            color: #fff;
            padding: 30px 20px;
            border-bottom: 4px solid var(--glacier-blue);
        }

        .trust-grid {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
        }

        .trust-item {
            text-align: center;
            padding: 10px;
        }

        .trust-item h3 {
            font-size: 32px;
            font-weight: 800;
            color: var(--glacier-blue);
            margin-bottom: 4px;
        }

        .trust-item p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }

        
        section.section-pad {
            padding: 80px 20px;
        }

        .section-title-wrap {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 56px;
        }

        .section-tag {
            color: var(--primary);
            font-size: 14px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            display: inline-block;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: clamp(24px, 4vw, 36px);
            font-weight: 800;
            color: var(--deep-sea-ink);
            line-height: 1.3;
        }

        
        .feature-grid {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .feature-card {
            background-color: #fff;
            border-radius: 16px;
            padding: 40px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(15, 23, 42, 0.05);
            border-color: var(--primary);
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background-color: var(--primary);
            opacity: 0;
            transition: var(--transition);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            border-radius: 14px;
            background-color: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 24px;
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--deep-sea-ink);
            margin-bottom: 16px;
        }

        .feature-card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        
        .steps-container {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }

        .step-node {
            background-color: #fff;
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--border-color);
            position: relative;
            text-align: center;
        }

        .step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--glacier-blue);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            margin: 0 auto 20px;
            box-shadow: 0 4px 10px rgba(29, 123, 255, 0.3);
        }

        .step-node h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--deep-sea-ink);
            margin-bottom: 12px;
        }

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

        
        .articles-wrapper {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }

        .articles-feed {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .sidebar-panel {
            display: flex;
            flex-direction: column;
            gap: 40px;
        }

        
        .article-card-full {
            background-color: #fff;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            display: grid;
            grid-template-columns: 280px 1fr;
            transition: var(--transition);
        }

        .article-card-full:hover {
            transform: translateY(-4px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.05);
            border-color: var(--primary);
        }

        .article-card-media {
            height: 100%;
            min-height: 200px;
            position: relative;
            background-color: var(--deep-sea-ink);
            overflow: hidden;
        }

        .article-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .article-card-full:hover .article-card-media img {
            transform: scale(1.05);
        }

        .article-card-meta-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background-color: var(--primary);
            color: #fff;
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            z-index: 2;
        }

        .article-card-content {
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-card-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--deep-sea-ink);
            line-height: 1.4;
            margin-bottom: 12px;
        }

        .article-card-content p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .article-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .meta-group {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .read-more-link {
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        
        .widget {
            background-color: #fff;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            padding: 30px;
        }

        .widget-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--deep-sea-ink);
            border-left: 4px solid var(--primary);
            padding-left: 12px;
            margin-bottom: 24px;
        }

        .hot-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .hot-item {
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .hot-item-num {
            width: 24px;
            height: 24px;
            border-radius: 4px;
            background-color: var(--border-color);
            color: var(--text-muted);
            font-size: 12px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .hot-item:nth-child(-n+3) .hot-item-num {
            background-color: var(--primary-light);
            color: var(--primary);
        }

        .hot-item-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--deep-sea-ink);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .tag-cloud-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud-links a {
            background-color: var(--silver-white);
            color: var(--text-dark);
            border: 1px solid var(--border-color);
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 13px;
        }

        .tag-cloud-links a:hover {
            background-color: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        
        .cta-section {
            background: linear-gradient(135deg, var(--deep-sea-ink) 0%, var(--deep-sea-light) 100%);
            color: #fff;
            padding: 80px 20px;
            text-align: center;
            position: relative;
        }

        .cta-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .cta-container h2 {
            font-size: clamp(24px, 4vw, 40px);
            font-weight: 800;
            margin-bottom: 20px;
        }

        .cta-container p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 18px;
            margin-bottom: 40px;
        }

        
        footer {
            background-color: var(--deep-sea-ink);
            color: rgba(255, 255, 255, 0.6);
            border-top: 1px solid var(--deep-sea-light);
            font-size: 14px;
        }

        .footer-top {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 80px 20px 40px;
            display: grid;
            grid-template-columns: 2fr repeat(3, 1fr);
            gap: 40px;
        }

        .footer-brand .logo span {
            color: #fff;
        }

        .footer-brand p {
            margin-top: 20px;
            line-height: 1.7;
        }

        .footer-column h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 24px;
            position: relative;
        }

        .footer-column ul {
            list-style: none;
        }

        .footer-column ul li {
            margin-bottom: 12px;
        }

        .footer-column ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid var(--deep-sea-light);
            padding: 30px 20px;
        }

        .footer-bottom-container {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .footer-copyright {
            font-size: 13px;
        }

        .footer-meta-links {
            display: flex;
            gap: 20px;
        }

        
        @media (max-width: 1024px) {
            .hero-visual-wrapper {
                max-width: 100%;
            }
            .floating-card {
                position: static;
                width: 100%;
                margin: 10px 0;
            }
            .hero-layout-01 {
                padding-bottom: 40px;
            }
            .articles-wrapper {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            nav.nav-desktop, .header-actions {
                display: none;
            }
            .menu-toggle {
                display: block;
            }
            .article-card-full {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }