:root {
            --primary: #0a1628;
            --secondary: #c8aa6e;
            --accent: #0ac8b9;
            --bg: #f4f6f9;
            --card: #ffffff;
            --text: #1a1a2e;
            --text-light: #4a5568;
            --radius: 12px;
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: color .3s;
        }
        a:hover {
            color: var(--accent);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #0a1628 0%, #16283e 100%);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: 0.5px;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
            text-transform: uppercase;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            font-size: 1.8rem;
            color: var(--accent);
        }
        .my-logo:hover {
            color: #e8c97a;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #e0e0e0;
            font-size: 0.9rem;
            font-weight: 500;
            padding: 6px 10px;
            border-radius: 6px;
            transition: background .3s, color .3s;
        }
        .nav-menu a:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--secondary);
        }
        .hamburger {
            display: none;
            background: transparent;
            border: none;
            font-size: 1.5rem;
            color: #fff;
            cursor: pointer;
            padding: 5px 8px;
        }
        .breadcrumb {
            background: var(--primary);
            padding: 8px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 0.85rem;
            color: #aaa;
        }
        .breadcrumb ol li+li:before {
            content: "/";
            margin: 0 6px;
            color: #666;
        }
        .breadcrumb a {
            color: var(--secondary);
        }
        .hero-section {
            background: linear-gradient(135deg, #0a1628 0%, #1a3a4a 60%, #0f2b3d 100%);
            padding: 60px 20px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .hero-section::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--secondary), var(--accent), var(--secondary));
        }
        .hero-section h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            text-shadow: 0 3px 12px rgba(0, 0, 0, 0.4);
            line-height: 1.2;
        }
        .hero-section p {
            font-size: 1.2rem;
            color: #d0d0d0;
            max-width: 700px;
            margin: 0 auto 24px;
        }
        .hero-section .btn-scroll {
            display: inline-block;
            background: var(--secondary);
            color: #0a1628;
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(200, 170, 110, 0.4);
            transition: transform .3s;
        }
        .hero-section .btn-scroll:hover {
            transform: translateY(-3px);
            color: #0a1628;
        }
        .update-bar {
            background: #eef5f9;
            padding: 12px 20px;
            text-align: center;
            font-size: 0.9rem;
            color: var(--text-light);
            border-bottom: 1px solid #e2e8f0;
        }
        .update-bar i {
            color: var(--accent);
            margin-right: 6px;
        }
        main.container {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding-top: 40px;
            padding-bottom: 60px;
        }
        .article-content {
            background: var(--card);
            border-radius: var(--radius);
            padding: 40px;
            box-shadow: var(--shadow);
        }
        .article-content h2 {
            font-size: 1.8rem;
            color: var(--primary);
            margin: 40px 0 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--secondary);
            position: relative;
        }
        .article-content h2::after {
            content: "";
            display: block;
            width: 50px;
            height: 2px;
            background: var(--accent);
            position: absolute;
            bottom: -2px;
            left: 0;
        }
        .article-content h3 {
            font-size: 1.35rem;
            color: var(--primary);
            margin: 28px 0 12px;
        }
        .article-content h4 {
            font-size: 1.05rem;
            color: var(--text-light);
            margin: 20px 0 8px;
            font-weight: 600;
        }
        .article-content p {
            margin-bottom: 16px;
            font-size: 1rem;
            line-height: 1.8;
        }
        .article-content ul,
        .article-content ol {
            margin: 12px 0 20px 24px;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
            margin: 24px 0;
            box-shadow: var(--shadow);
        }
        .article-content .img-caption {
            font-size: 0.85rem;
            color: var(--text-light);
            text-align: center;
            margin-top: 4px;
            margin-bottom: 24px;
        }
        .highlight-box {
            background: linear-gradient(135deg, #f0f7ff, #e6f3ec);
            border-left: 4px solid var(--accent);
            padding: 20px 24px;
            border-radius: 8px;
            margin: 24px 0;
        }
        .highlight-box strong {
            color: var(--primary);
        }
        .side-panel {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .widget-card {
            background: var(--card);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
        }
        .widget-card h3 {
            font-size: 1.1rem;
            color: var(--primary);
            margin-bottom: 14px;
            border-left: 3px solid var(--secondary);
            padding-left: 10px;
        }
        .widget-card ul {
            list-style: none;
        }
        .widget-card li {
            margin-bottom: 10px;
            font-size: 0.95rem;
        }
        .widget-card li a {
            color: var(--text-light);
            transition: color .3s, padding-left .3s;
        }
        .widget-card li a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .search-box {
            display: flex;
            gap: 8px;
            margin-bottom: 10px;
        }
        .search-box input {
            flex: 1;
            padding: 10px 14px;
            border: 1px solid #d1d5db;
            border-radius: 20px;
            font-size: 0.9rem;
            outline: none;
            transition: border .3s;
        }
        .search-box input:focus {
            border-color: var(--secondary);
        }
        .search-box button {
            background: var(--secondary);
            border: none;
            border-radius: 50%;
            width: 38px;
            height: 38px;
            color: #fff;
            cursor: pointer;
            transition: background .3s;
        }
        .search-box button:hover {
            background: var(--accent);
        }
        .rating-box {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.2rem;
        }
        .rating-box .stars {
            display: flex;
            gap: 4px;
        }
        .rating-box .stars i {
            color: #d1d5db;
            cursor: pointer;
            transition: color .2s;
        }
        .rating-box .stars i.active,
        .rating-box .stars i:hover {
            color: #f59e0b;
        }
        .rating-box .stars i:hover~i {
            color: #d1d5db;
        }
        .comment-form textarea {
            width: 100%;
            padding: 12px;
            border: 1px solid #d1d5db;
            border-radius: 8px;
            font-size: 0.9rem;
            resize: vertical;
            min-height: 80px;
            margin-bottom: 10px;
        }
        .comment-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 8px 18px;
            border-radius: 20px;
            cursor: pointer;
            font-size: 0.9rem;
            transition: background .3s;
        }
        .comment-form button:hover {
            background: var(--secondary);
        }
        footer {
            background: var(--primary);
            color: #aaa;
            padding: 40px 20px 20px;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
        }
        .footer-col {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 24px;
            margin-bottom: 24px;
        }
        .footer-col h4 {
            color: #fff;
            margin-bottom: 12px;
            font-size: 1.1rem;
        }
        .footer-col a {
            display: block;
            color: #aaa;
            margin-bottom: 6px;
            font-size: 0.9rem;
        }
        .footer-col a:hover {
            color: var(--secondary);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.85rem;
            color: #888;
        }
        friend-link {
            display: block;
            margin: 16px 0;
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 8px;
            font-size: 0.9rem;
        }
        friend-link a {
            color: var(--secondary);
            margin-right: 12px;
        }
        @media (max-width: 992px) {
            main.container {
                grid-template-columns: 1fr;
                padding: 20px;
            }
            .side-panel {
                order: 2;
            }
        }
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(10, 22, 40, 0.98);
                padding: 12px 0;
                border-radius: 0 0 12px 12px;
            }
            .nav-menu.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .hero-section h1 {
                font-size: 2rem;
            }
            .article-content {
                padding: 20px;
            }
        }