* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-blue: #0056A7;
            --secondary-gold: #FFD700;
            --accent-green: #00843D;
            --dark-bg: #0A1428;
            --light-bg: #F5F7FA;
            --text-dark: #222222;
            --text-light: #F0F0F0;
            --card-shadow: 0 8px 20px rgba(0, 86, 167, 0.15);
            --transition: all 0.3s ease;
        }
        body {
            background-color: var(--light-bg);
            color: var(--text-dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-green);
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--dark-bg) 0%, var(--primary-blue) 100%);
            color: var(--text-light);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(to right, #FFD700, #FFFFFF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        .my-logo:hover {
            opacity: 0.9;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: var(--text-light);
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: rgba(255, 255, 255, 0.15);
            color: var(--secondary-gold);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--text-light);
        }
        .breadcrumb {
            background-color: rgba(255, 255, 255, 0.08);
            padding: 0.8rem 1.5rem;
            border-radius: 6px;
            margin-top: 1rem;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--secondary-gold);
        }
        .breadcrumb span {
            color: #ccc;
            margin: 0 8px;
        }
        .hero {
            background: linear-gradient(rgba(10, 20, 40, 0.85), rgba(10, 20, 40, 0.9)), url('https://images.unsplash.com/photo-1551958219-acbc608c6377?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') no-repeat center center/cover;
            color: white;
            text-align: center;
            padding: 4rem 2rem;
            border-radius: 0 0 30px 30px;
            margin-bottom: 3rem;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 2rem;
            opacity: 0.95;
        }
        .search-box {
            max-width: 700px;
            margin: 2rem auto;
            background: white;
            border-radius: 50px;
            padding: 5px;
            display: flex;
            box-shadow: var(--card-shadow);
        }
        .search-box input {
            flex: 1;
            border: none;
            padding: 1rem 1.5rem;
            border-radius: 50px 0 0 50px;
            font-size: 1.1rem;
            outline: none;
        }
        .search-box button {
            background: var(--accent-green);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: var(--primary-blue);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 3rem 0;
        }
        .article-content {
            background: white;
            border-radius: 20px;
            padding: 2.5rem;
            box-shadow: var(--card-shadow);
        }
        .sidebar {
            background: white;
            border-radius: 20px;
            padding: 2rem;
            box-shadow: var(--card-shadow);
            align-self: start;
        }
        h1 { font-size: 2.8rem; margin-bottom: 1.5rem; color: var(--dark-bg); }
        h2 { font-size: 2.2rem; margin: 2.5rem 0 1.2rem; color: var(--primary-blue); border-bottom: 3px solid var(--secondary-gold); padding-bottom: 0.5rem; }
        h3 { font-size: 1.8rem; margin: 2rem 0 1rem; color: var(--accent-green); }
        h4 { font-size: 1.4rem; margin: 1.5rem 0 0.8rem; color: #555; }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(255, 215, 0, 0.15);
            padding: 1.5rem;
            border-left: 5px solid var(--secondary-gold);
            border-radius: 0 10px 10px 0;
            margin: 2rem 0;
        }
        .feature-img {
            width: 100%;
            border-radius: 15px;
            margin: 2rem 0;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            transition: transform 0.5s ease;
        }
        .feature-img:hover {
            transform: scale(1.01);
        }
        .link-list {
            background: var(--light-bg);
            padding: 1.5rem;
            border-radius: 12px;
            margin: 2rem 0;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
        }
        .link-list a {
            display: block;
            padding: 0.8rem 1rem;
            background: white;
            border-radius: 8px;
            border-left: 4px solid var(--primary-blue);
            font-weight: 600;
        }
        .link-list a:hover {
            background: var(--primary-blue);
            color: white;
            transform: translateX(5px);
        }
        .update-time {
            text-align: right;
            font-style: italic;
            color: #666;
            font-size: 0.95rem;
            margin-top: 3rem;
            padding-top: 1rem;
            border-top: 1px dashed #ccc;
        }
        .interactive-section {
            margin: 3rem 0;
            padding: 2rem;
            background: linear-gradient(135deg, #f8f9ff 0%, #eef2ff 100%);
            border-radius: 15px;
            border: 1px solid #d0ddff;
        }
        .rating-box {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }
        .stars {
            color: var(--secondary-gold);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 1rem;
            margin-bottom: 1rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            resize: vertical;
        }
        .comment-form button {
            background: var(--primary-blue);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background: var(--accent-green);
        }
        .site-footer {
            background: var(--dark-bg);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: var(--secondary-gold);
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        friend-link a {
            color: #aaa;
        }
        friend-link a:hover {
            color: white;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #333;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
        }
        @media (max-width: 768px) {
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--dark-bg);
                padding: 1rem;
                border-radius: 0 0 15px 15px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.2);
            }
            .main-nav.active ul {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .hero {
                padding: 3rem 1rem;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .search-box {
                flex-direction: column;
                border-radius: 15px;
            }
            .search-box input,
            .search-box button {
                border-radius: 15px;
                width: 100%;
            }
            .article-content {
                padding: 1.5rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease forwards;
        }