* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background: linear-gradient(135deg, #0c2461 0%, #1e3799 50%, #4a69bd 100%);
            color: #333;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #1e3799;
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #e55039;
            transform: translateY(-1px);
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }
        .site-header {
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 2rem;
        }
        .header-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.5rem;
            font-weight: 900;
            color: #1e3799;
            text-transform: uppercase;
            letter-spacing: 2px;
            background: linear-gradient(90deg, #e55039, #fa983a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .desktop-nav {
            display: flex;
            gap: 2rem;
        }
        .desktop-nav a {
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }
        .desktop-nav a:hover {
            background: #f6f7ff;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #1e3799;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: white;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            padding: 1rem;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 0.8rem;
            border-bottom: 1px solid #eee;
        }
        .breadcrumb {
            padding: 1rem 2rem;
            background: rgba(255, 255, 255, 0.85);
            max-width: 1400px;
            margin: 0 auto;
            width: 100%;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb a {
            color: #666;
        }
        .breadcrumb a:hover {
            color: #1e3799;
        }
        .main-container {
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            flex: 1;
        }
        @media (max-width: 1024px) {
            .main-container {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 3rem;
            border-radius: 20px;
            box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
        }
        h1 {
            font-size: 3rem;
            color: #0c2461;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 8px solid #e55039;
            padding-left: 1.5rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #1e3799;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #fa983a;
        }
        h3 {
            font-size: 1.8rem;
            color: #4a69bd;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #6a89cc;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.3rem;
            color: #555;
            background: #f8f9ff;
            padding: 1.5rem;
            border-radius: 10px;
            border-left: 5px solid #4a69bd;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background: linear-gradient(90deg, #fffaed, #fff);
            padding: 1.5rem;
            border-radius: 10px;
            border: 2px dashed #fa983a;
            margin: 2rem 0;
        }
        .stats-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat {
            background: #1e3799;
            color: white;
            padding: 1.5rem;
            text-align: center;
            border-radius: 10px;
            transition: transform 0.3s ease;
        }
        .stat:hover {
            transform: translateY(-10px);
            background: #0c2461;
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 900;
            display: block;
        }
        .quote {
            font-style: italic;
            padding: 2rem;
            background: #eef2ff;
            border-radius: 10px;
            margin: 2rem 0;
            border-left: 5px solid #6a89cc;
            color: #444;
        }
        .author {
            text-align: right;
            font-weight: bold;
            color: #1e3799;
            margin-top: 1rem;
        }
        .sidebar {
            background: white;
            padding: 2rem;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar h3 {
            color: #0c2461;
            margin-top: 0;
        }
        .link-list {
            list-style: none;
            margin: 1.5rem 0;
        }
        .link-list li {
            margin-bottom: 0.8rem;
            padding: 0.8rem;
            background: #f8f9ff;
            border-radius: 8px;
            transition: all 0.3s ease;
        }
        .link-list li:hover {
            background: #eef2ff;
            padding-left: 1.2rem;
        }
        .link-list a {
            display: block;
            font-weight: 600;
        }
        .form-section {
            background: #f8f9ff;
            padding: 2.5rem;
            border-radius: 15px;
            margin: 3rem 0;
            border: 1px solid #dbe4ff;
        }
        .form-title {
            display: flex;
            align-items: center;
            gap: 1rem;
            color: #1e3799;
            margin-bottom: 1.5rem;
        }
        .form-title i {
            font-size: 1.8rem;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #444;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #ccd8ff;
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #4a69bd;
            box-shadow: 0 0 0 3px rgba(74, 105, 189, 0.2);
        }
        button {
            background: linear-gradient(90deg, #e55039, #fa983a);
            color: white;
            border: none;
            padding: 1rem 2rem;
            font-size: 1.1rem;
            font-weight: 700;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.8rem;
        }
        button:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(229, 80, 57, 0.4);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: #ffd700;
            cursor: pointer;
        }
        .rating-stars .star {
            transition: transform 0.2s ease;
        }
        .rating-stars .star:hover {
            transform: scale(1.3);
        }
        .site-footer {
            background: #0c2461;
            color: #ddd;
            padding: 3rem 2rem 2rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            color: white;
            margin-bottom: 1rem;
        }
        friend-link {
            display: block;
            padding: 0.8rem;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 5px;
            margin-bottom: 0.8rem;
            color: #6a89cc;
            border: 1px solid rgba(106, 137, 204, 0.3);
            transition: all 0.3s ease;
        }
        friend-link:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fa983a;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.95rem;
        }
        @media (max-width: 768px) {
            .site-header, .breadcrumb, .main-container {
                padding: 1rem;
            }
            .article-content {
                padding: 2rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .form-section {
                padding: 1.5rem;
            }
        }
        .last-updated {
            text-align: right;
            font-style: italic;
            color: #777;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px solid #eee;
        }