* {
            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: #333;
            background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
            background-attachment: fixed;
            color: #e0e0e0;
            max-width: 1400px;
            margin: 0 auto;
            box-shadow: 0 0 50px rgba(0,0,0,0.7);
        }
        a {
            color: #4fc3f7;
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #29b6f6;
            transform: translateY(-2px);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 95%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        .site-header {
            background: rgba(15, 32, 39, 0.95);
            backdrop-filter: blur(10px);
            padding: 1.2rem 0;
            border-bottom: 2px solid #00bcd4;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #00bcd4, #4fc3f7);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
            text-shadow: 0 2px 5px rgba(0,0,0,0.3);
        }
        .logo a {
            background: none;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 5px;
            position: relative;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: #00bcd4;
            transition: width 0.3s ease;
        }
        .nav-desktop a:hover::after {
            width: 80%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #4fc3f7;
            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(15, 32, 39, 0.98);
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            padding: 1rem;
            border-top: 1px solid #203a43;
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            padding: 1rem;
            border-bottom: 1px solid #2c5364;
            font-weight: 600;
        }
        .nav-mobile a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            padding: 1rem 0;
            background: rgba(32, 58, 67, 0.7);
            border-bottom: 1px solid #2c5364;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 0.5rem;
            font-size: 0.9rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: #4fc3f7;
        }
        .search-container {
            margin: 2rem auto;
            max-width: 600px;
        }
        .search-form {
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.4);
        }
        .search-input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: none;
            background: rgba(255,255,255,0.1);
            color: #fff;
            font-size: 1rem;
            outline: none;
        }
        .search-input::placeholder {
            color: #aaa;
        }
        .search-button {
            background: linear-gradient(90deg, #00bcd4, #0097a7);
            border: none;
            color: white;
            padding: 0 1.8rem;
            cursor: pointer;
            font-size: 1.2rem;
            transition: background 0.3s ease;
        }
        .search-button:hover {
            background: linear-gradient(90deg, #0097a7, #00838f);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: rgba(25, 40, 50, 0.8);
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            border: 1px solid #2c5364;
        }
        article h1 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            color: #4fc3f7;
            line-height: 1.2;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }
        article h2 {
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            color: #80deea;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #00bcd4;
        }
        article h3 {
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
            color: #b2ebf2;
        }
        article p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        article strong {
            color: #4fc3f7;
            font-weight: 700;
        }
        article em {
            color: #a5d6a7;
            font-style: italic;
        }
        .highlight-box {
            background: rgba(0, 188, 212, 0.1);
            border-left: 5px solid #00bcd4;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .featured-image {
            margin: 2.5rem 0;
            text-align: center;
        }
        .featured-image img {
            box-shadow: 0 10px 25px rgba(0,0,0,0.7);
            border: 2px solid #2c5364;
            transition: transform 0.5s ease, box-shadow 0.5s ease;
        }
        .featured-image img:hover {
            transform: scale(1.01);
            box-shadow: 0 15px 35px rgba(0,188,212,0.3);
        }
        .image-caption {
            font-style: italic;
            color: #aaa;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .sidebar {
            background: rgba(25, 40, 50, 0.8);
            padding: 2rem;
            border-radius: 15px;
            height: fit-content;
            box-shadow: 0 10px 25px rgba(0,0,0,0.4);
            border: 1px solid #2c5364;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            color: #4fc3f7;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #2c5364;
        }
        .sidebar-links {
            list-style: none;
        }
        .sidebar-links li {
            margin-bottom: 0.8rem;
            padding: 0.8rem;
            background: rgba(44, 83, 100, 0.3);
            border-radius: 5px;
            transition: background 0.3s ease;
        }
        .sidebar-links li:hover {
            background: rgba(44, 83, 100, 0.6);
        }
        .rating-section, .comment-section {
            background: rgba(30, 50, 60, 0.9);
            padding: 2rem;
            border-radius: 10px;
            margin-top: 3rem;
            border: 1px solid #2c5364;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.5rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #555;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #ffc107;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-group label {
            font-weight: 600;
            color: #80deea;
        }
        .form-control {
            padding: 0.9rem;
            border-radius: 8px;
            border: 1px solid #2c5364;
            background: rgba(255,255,255,0.08);
            color: #fff;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s ease;
        }
        .form-control:focus {
            border-color: #00bcd4;
            box-shadow: 0 0 0 2px rgba(0,188,212,0.2);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(90deg, #00bcd4, #0097a7);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.3s ease, transform 0.2s ease;
            align-self: flex-start;
        }
        .submit-btn:hover {
            background: linear-gradient(90deg, #0097a7, #00838f);
            transform: translateY(-3px);
        }
        .footer-links {
            background: rgba(15, 32, 39, 0.9);
            padding: 2.5rem 0;
            margin-top: 3rem;
            border-top: 2px solid #00bcd4;
            border-bottom: 1px solid #203a43;
        }
        .web-link {
            display: inline-block;
            margin: 0.8rem 1.5rem;
            padding: 0.8rem 1.5rem;
            background: rgba(44, 83, 100, 0.4);
            border-radius: 30px;
            transition: all 0.3s ease;
        }
        .web-link:hover {
            background: rgba(44, 83, 100, 0.8);
            transform: translateY(-5px);
        }
        .site-footer {
            background: rgba(10, 25, 32, 0.95);
            padding: 2.5rem 0;
            text-align: center;
            font-size: 0.95rem;
            color: #aaa;
        }
        .copyright {
            margin-top: 1rem;
            border-top: 1px solid #2c5364;
            padding-top: 1rem;
        }
        @media (max-width: 768px) {
            article {
                padding: 1.5rem;
            }
            article h1 {
                font-size: 2.2rem;
            }
            article h2 {
                font-size: 1.8rem;
            }
            .sidebar {
                padding: 1.5rem;
            }
            .web-link {
                display: block;
                margin: 0.8rem 0;
                text-align: center;
            }
        }