* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: linear-gradient(135deg, #0c1a2d 0%, #152642 100%);
            color: #e0e7ff;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #4fc3f7;
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #29b6f6;
            transform: translateY(-1px);
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: rgba(11, 22, 40, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid #1e3a5f;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(90deg, #ff7e5f, #feb47b);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo a:hover {
            transform: none;
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        .nav-desktop a {
            font-weight: 600;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
        }
        .nav-desktop a:hover {
            border-bottom-color: #4fc3f7;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #e0e7ff;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: #0c1a2d;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 20px;
            border-top: 1px solid #1e3a5f;
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            padding: 15px 0;
            border-bottom: 1px solid #1e3a5f;
            font-weight: 600;
        }
        .breadcrumb {
            background: rgba(30, 58, 95, 0.6);
            padding: 12px 0;
            margin-bottom: 30px;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #a5d8ff;
        }
        .breadcrumb i {
            margin: 0 10px;
        }
        .main-content {
            flex: 1;
            padding: 30px 0;
        }
        .article-header {
            text-align: center;
            margin-bottom: 50px;
            padding-bottom: 30px;
            border-bottom: 3px dashed #2d4a7a;
        }
        h1 {
            font-size: clamp(2.5rem, 5vw, 3.8rem);
            margin-bottom: 20px;
            color: #ffffff;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
            line-height: 1.2;
        }
        .article-meta {
            color: #b0bec5;
            font-style: italic;
            margin-top: 15px;
        }
        .content-section {
            margin-bottom: 60px;
            background: rgba(20, 35, 60, 0.5);
            padding: 30px;
            border-radius: 15px;
            border-left: 5px solid #4fc3f7;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            transition: transform 0.3s ease;
        }
        .content-section:hover {
            transform: translateY(-5px);
        }
        h2 {
            font-size: 2.2rem;
            margin-bottom: 25px;
            color: #81d4fa;
            padding-bottom: 10px;
            border-bottom: 2px solid #2d4a7a;
        }
        h3 {
            font-size: 1.8rem;
            margin: 30px 0 15px;
            color: #b3e5fc;
        }
        h4 {
            font-size: 1.4rem;
            margin: 25px 0 12px;
            color: #e1f5fe;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background: rgba(79, 195, 247, 0.15);
            border-left: 4px solid #4fc3f7;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .tip {
            background: rgba(255, 215, 0, 0.1);
            border-left: 4px solid #ffd700;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .tip::before {
            content: "💡 PRO TIP: ";
            font-weight: bold;
            color: #ffd700;
        }
        .image-container {
            margin: 35px auto;
            text-align: center;
            max-width: 800px;
        }
        .image-caption {
            font-style: italic;
            color: #b0bec5;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .search-box, .comment-form, .rating-form {
            background: rgba(30, 58, 95, 0.8);
            padding: 25px;
            border-radius: 12px;
            margin: 40px 0;
            border: 1px solid #3a5f8a;
        }
        .form-title {
            margin-bottom: 20px;
            color: #81d4fa;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #b3e5fc;
        }
        input, textarea, select {
            width: 100%;
            padding: 14px;
            background: rgba(10, 25, 47, 0.8);
            border: 1px solid #3a5f8a;
            border-radius: 8px;
            color: #e0e7ff;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #4fc3f7;
            box-shadow: 0 0 0 2px rgba(79, 195, 247, 0.2);
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            gap: 10px;
            font-size: 2rem;
            color: #555;
            margin: 15px 0;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #555;
            cursor: pointer;
            transition: color 0.3s;
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #ffd700;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(90deg, #1e88e5, #4fc3f7);
            color: white;
            padding: 14px 28px;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-weight: bold;
            font-size: 1rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(31, 136, 229, 0.4);
        }
        .btn:hover {
            background: linear-gradient(90deg, #1565c0, #29b6f6);
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(31, 136, 229, 0.6);
        }
        .site-footer {
            background: #0a182e;
            border-top: 3px solid #1e3a5f;
            padding: 40px 0 20px;
            margin-top: 60px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: #81d4fa;
            margin-bottom: 25px;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 10px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #1e3a5f;
            color: #b0bec5;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.8rem;
            }
            h2 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 15px;
            }
            .content-section {
                padding: 20px;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .footer-container {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.9rem;
            }
            .btn {
                width: 100%;
                text-align: center;
            }
        }