* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #e8e6e3;
            background: linear-gradient(135deg, #0c1a2a 0%, #1a3a5f 100%);
            background-attachment: fixed;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #4dabf7; text-decoration: none; transition: color 0.3s, transform 0.2s; }
        a:hover { color: #a5d8ff; transform: translateY(-1px); }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: rgba(12, 26, 42, 0.95);
            border-bottom: 2px solid #3a506b;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Georgia', serif;
            font-size: 2.2rem;
            font-weight: bold;
            background: linear-gradient(90deg, #ffd43b, #f76707);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        .my-logo:hover { transform: scale(1.05); }
        .nav-desktop { display: flex; gap: 1.5rem; }
        @media (max-width: 768px) { .nav-desktop { display: none; } }
        .nav-desktop a {
            padding: 0.5rem 1rem;
            border-radius: 6px;
            font-weight: 600;
        }
        .nav-desktop a:hover { background: rgba(58, 80, 107, 0.5); }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #e8e6e3;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 768px) { .hamburger { display: block; } }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: rgba(12, 26, 42, 0.98);
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            padding: 1rem;
            border-top: 1px solid #3a506b;
        }
        .nav-mobile.active { display: flex; }
        .nav-mobile a {
            padding: 0.8rem;
            border-bottom: 1px solid #2c3e50;
        }
        .nav-mobile a:last-child { border-bottom: none; }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #adb5bd;
        }
        .breadcrumb a { color: #74c0fc; }
        .breadcrumb span { color: #dee2e6; }
        main { flex: 1; padding: 2rem 0; }
        article { background: rgba(26, 34, 44, 0.8); border-radius: 12px; padding: 2.5rem; margin-bottom: 2rem; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5); }
        h1 { font-size: 2.8rem; margin-bottom: 1.5rem; color: #ffd43b; text-align: center; line-height: 1.2; }
        h2 { font-size: 2rem; margin: 2.5rem 0 1rem; color: #74c0fc; padding-bottom: 0.5rem; border-bottom: 2px dashed #3a506b; }
        h3 { font-size: 1.6rem; margin: 2rem 0 1rem; color: #a5d8ff; }
        h4 { font-size: 1.3rem; margin: 1.5rem 0 0.8rem; color: #d0ebff; }
        p { margin-bottom: 1.5rem; text-align: justify; }
        .highlight { background: rgba(255, 212, 59, 0.1); border-left: 4px solid #ffd43b; padding: 1rem; margin: 1.5rem 0; border-radius: 0 8px 8px 0; }
        .emoji { font-size: 1.2em; margin-right: 0.3rem; }
        b, strong { color: #ffd43b; font-weight: 700; }
        .article-img {
            float: right;
            margin: 0 0 1.5rem 1.5rem;
            max-width: 50%;
            border-radius: 10px;
            border: 3px solid #3a506b;
            box-shadow: 0 5px 15px rgba(0,0,0,0.5);
        }
        @media (max-width: 768px) {
            .article-img { float: none; margin: 1.5rem auto; max-width: 100%; }
        }
        .last-updated {
            text-align: right;
            font-style: italic;
            color: #adb5bd;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px solid #3a506b;
        }
        .interactive-section {
            background: rgba(40, 50, 65, 0.6);
            border-radius: 10px;
            padding: 2rem;
            margin: 3rem 0;
            border: 1px solid #495057;
        }
        .interactive-section h3 { margin-top: 0; }
        .form-group { margin-bottom: 1.2rem; }
        label { display: block; margin-bottom: 0.5rem; font-weight: 600; }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            border-radius: 6px;
            border: 1px solid #495057;
            background: #1c2b3a;
            color: #e8e6e3;
            font-size: 1rem;
        }
        button {
            background: linear-gradient(90deg, #1c7ed6, #364fc7);
            color: white;
            border: none;
            padding: 0.9rem 1.8rem;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
        }
        button:hover { background: linear-gradient(90deg, #364fc7, #1c7ed6); transform: translateY(-2px); box-shadow: 0 5px 15px rgba(0,0,0,0.3); }
        .star-rating { display: flex; gap: 0.5rem; font-size: 1.8rem; cursor: pointer; margin: 1rem 0; }
        .star-rating i { color: #495057; transition: color 0.2s; }
        .star-rating i:hover, .star-rating i.active { color: #ffd43b; }
        footer {
            background: rgba(12, 26, 42, 0.95);
            border-top: 2px solid #3a506b;
            padding: 2.5rem 0;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h4 { color: #74c0fc; margin-bottom: 1rem; }
        friend-link {
            display: block;
            background: rgba(58, 80, 107, 0.3);
            padding: 0.8rem;
            margin-bottom: 0.8rem;
            border-radius: 6px;
            border-left: 4px solid #ffd43b;
        }
        friend-link:hover { background: rgba(58, 80, 107, 0.6); }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #3a506b;
            color: #adb5bd;
            font-size: 0.9rem;
        }