* {
            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, #0a1a2d 0%, #1a3a5f 100%);
            color: #e0e0e0;
            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(-2px);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight {
            background: linear-gradient(90deg, transparent 0%, rgba(79, 195, 247, 0.15) 50%, transparent 100%);
            padding: 2px 8px;
            border-radius: 4px;
        }
        .section-padding {
            padding: 60px 0;
        }
        header {
            background: rgba(10, 26, 45, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid #1e88e5;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, #29b6f6, #00e676);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            filter: brightness(1.2);
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
        }
        .nav-desktop a {
            color: #bbdefb;
            font-weight: 600;
            padding: 8px 0;
            position: relative;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #00e676;
            transition: width 0.3s ease;
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 10px;
        }
        @media (max-width: 768px) {
            .hamburger { display: flex; }
        }
        .hamburger span {
            display: block;
            width: 25px;
            height: 3px;
            background: #29b6f6;
            border-radius: 2px;
            transition: 0.3s;
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(6px, 6px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(6px, -6px);
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: rgba(15, 35, 60, 0.98);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 20px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            border-top: 1px solid #1e88e5;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: #e3f2fd;
            padding: 15px 10px;
            border-bottom: 1px solid rgba(30, 136, 229, 0.3);
            font-weight: 600;
        }
        .nav-mobile a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            background: rgba(30, 47, 66, 0.7);
            padding: 12px 20px;
            font-size: 0.9rem;
            margin-bottom: 30px;
            border-radius: 0 0 8px 8px;
        }
        .breadcrumb a {
            color: #81d4fa;
        }
        .breadcrumb i {
            margin: 0 8px;
            color: #4fc3f7;
        }
        main {
            flex: 1;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            align-items: start;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: rgba(20, 40, 65, 0.7);
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            border: 1px solid rgba(79, 195, 247, 0.2);
        }
        h1 {
            font-size: 2.8rem;
            color: #4fc3f7;
            margin-bottom: 20px;
            line-height: 1.2;
            text-shadow: 0 2px 5px rgba(0,0,0,0.5);
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
        }
        h2 {
            font-size: 2rem;
            color: #00e676;
            margin: 50px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid rgba(0, 230, 118, 0.4);
        }
        h3 {
            font-size: 1.6rem;
            color: #29b6f6;
            margin: 35px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: #bbdefb;
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 1.5em;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: #b3e5fc;
            font-weight: 500;
            padding: 15px;
            border-left: 4px solid #00e676;
            background: rgba(0, 230, 118, 0.05);
            border-radius: 0 8px 8px 0;
            margin-bottom: 30px;
        }
        aside {
            background: rgba(20, 40, 65, 0.7);
            border-radius: 16px;
            padding: 25px;
            position: sticky;
            top: 120px;
            border: 1px solid rgba(79, 195, 247, 0.2);
        }
        .widget {
            margin-bottom: 35px;
        }
        .widget h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
            color: #00e676;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: #bbdefb;
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            background: rgba(10, 26, 45, 0.8);
            border: 1px solid rgba(79, 195, 247, 0.4);
            border-radius: 8px;
            color: #fff;
            font-size: 1rem;
            transition: border 0.3s, box-shadow 0.3s;
        }
        .form-control:focus {
            outline: none;
            border-color: #00e676;
            box-shadow: 0 0 0 3px rgba(0, 230, 118, 0.2);
        }
        .btn {
            display: inline-block;
            background: linear-gradient(to right, #29b6f6, #00e676);
            color: #0a1a2d;
            padding: 12px 25px;
            border: none;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
            width: 100%;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(41, 182, 246, 0.4);
            color: #0a1a2d;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 15px 0;
        }
        .star {
            font-size: 1.8rem;
            color: #555;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffeb3b;
        }
        .featured-img {
            margin: 30px 0;
            border: 3px solid rgba(79, 195, 247, 0.3);
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            overflow: hidden;
        }
        .featured-img img {
            transition: transform 0.5s ease;
        }
        .featured-img:hover img {
            transform: scale(1.03);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #90a4ae;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .related-links {
            background: rgba(30, 47, 66, 0.5);
            padding: 20px;
            border-radius: 10px;
            margin: 30px 0;
        }
        .related-links ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
        }
        .related-links li {
            padding: 10px 15px;
            background: rgba(79, 195, 247, 0.1);
            border-radius: 6px;
            border-left: 4px solid #00e676;
        }
        .related-links a {
            color: #e1f5fe;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-links i {
            color: #00e676;
        }
        footer {
            background: rgba(10, 20, 35, 0.95);
            margin-top: 60px;
            padding: 40px 0 20px;
            border-top: 2px solid #1e88e5;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h3 {
            color: #4fc3f7;
            margin-bottom: 20px;
            font-size: 1.5rem;
        }
        friend-link {
            display: block;
            margin-bottom: 10px;
            padding: 8px 12px;
            background: rgba(30, 47, 66, 0.5);
            border-radius: 6px;
            border-left: 3px solid #29b6f6;
            transition: background 0.3s;
        }
        friend-link:hover {
            background: rgba(41, 182, 246, 0.2);
        }
        friend-link a {
            color: #bbdefb;
            display: block;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(79, 195, 247, 0.2);
            color: #90a4ae;
            font-size: 0.9rem;
        }
        .update-time {
            background: rgba(255, 152, 0, 0.1);
            color: #ffcc80;
            padding: 10px 15px;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin: 20px 0;
            font-weight: 600;
        }
        @media (max-width: 768px) {
            .header-container, article, aside, .breadcrumb {
                padding-left: 15px;
                padding-right: 15px;
            }
            article {
                padding: 25px 20px;
            }
            h2 { font-size: 1.7rem; }
            h3 { font-size: 1.4rem; }
            .section-padding {
                padding: 40px 0;
            }
        }