* {
            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%, #1a3a5f 100%);
            color: #e0e7ff;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #4fc3f7;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        a:hover {
            color: #29b6f6;
            text-shadow: 0 0 8px rgba(79, 195, 247, 0.5);
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(10, 25, 47, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid #1e88e5;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #00e5ff, #2979ff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
        }
        .logo a:hover {
            background: linear-gradient(90deg, #2979ff, #00e5ff);
            -webkit-background-clip: text;
            background-clip: text;
        }
        nav ul {
            display: flex;
            list-style: none;
        }
        nav ul li {
            margin-left: 30px;
        }
        nav ul li a {
            font-size: 1.1rem;
            font-weight: 600;
            padding: 8px 15px;
            border-radius: 6px;
        }
        nav ul li a:hover {
            background: rgba(30, 136, 229, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #4fc3f7;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.95rem;
            color: #90a4ae;
        }
        .breadcrumb a {
            color: #bbdefb;
        }
        main {
            padding: 30px 0 60px;
        }
        .article-header {
            text-align: center;
            margin-bottom: 50px;
            padding: 30px;
            background: rgba(26, 35, 57, 0.7);
            border-radius: 15px;
            border-left: 6px solid #00e5ff;
        }
        h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            background: linear-gradient(90deg, #00e5ff, #2979ff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1.2;
        }
        h2 {
            font-size: 2.2rem;
            margin: 40px 0 20px;
            color: #80d8ff;
            border-bottom: 2px solid #1e88e5;
            padding-bottom: 10px;
        }
        h3 {
            font-size: 1.7rem;
            margin: 30px 0 15px;
            color: #40c4ff;
        }
        p {
            margin-bottom: 25px;
            font-size: 1.15rem;
        }
        .highlight {
            background: rgba(30, 136, 229, 0.15);
            border-left: 5px solid #00e5ff;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 10px 10px 0;
        }
        .emoji {
            font-size: 1.3rem;
            margin-right: 8px;
        }
        .featured-image {
            text-align: center;
            margin: 40px 0;
        }
        .featured-image img {
            max-width: 900px;
            border: 3px solid #00e5ff;
        }
        .image-caption {
            font-style: italic;
            color: #90a4ae;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 50px 0;
        }
        .interactive-box {
            background: rgba(18, 30, 54, 0.8);
            padding: 25px;
            border-radius: 12px;
            border: 1px solid #2962ff;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
        }
        .interactive-box h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .interactive-box form {
            display: flex;
            flex-direction: column;
        }
        .interactive-box input,
        .interactive-box textarea,
        .interactive-box select {
            padding: 14px;
            margin-bottom: 20px;
            border: 1px solid #2962ff;
            border-radius: 8px;
            background: rgba(10, 20, 40, 0.7);
            color: #e0e7ff;
            font-size: 1rem;
        }
        .interactive-box button {
            padding: 15px;
            background: linear-gradient(90deg, #00e5ff, #2962ff);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s;
            font-size: 1.1rem;
        }
        .interactive-box button:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(41, 98, 255, 0.4);
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 20px 0;
            font-size: 2rem;
            color: #ffb300;
        }
        .star-rating i {
            cursor: pointer;
            transition: transform 0.2s;
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        .long-tail-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin: 50px 0;
        }
        .web-link {
            background: rgba(30, 136, 229, 0.1);
            padding: 18px;
            border-radius: 10px;
            text-align: center;
            border: 1px solid rgba(79, 195, 247, 0.3);
            transition: all 0.3s;
        }
        .web-link:hover {
            background: rgba(30, 136, 229, 0.25);
            transform: translateY(-5px);
        }
        footer {
            background: rgba(5, 15, 30, 0.98);
            padding: 50px 0 20px;
            border-top: 2px solid #1e88e5;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            margin-bottom: 40px;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
            margin-bottom: 30px;
            padding-right: 30px;
        }
        .footer-section h4 {
            font-size: 1.4rem;
            margin-bottom: 20px;
            color: #4fc3f7;
        }
        .copyright {
            text-align: center;
            padding-top: 25px;
            border-top: 1px solid #37474f;
            color: #90a4ae;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.5rem; }
            .header-content { flex-direction: column; }
            .logo { margin-bottom: 15px; }
            nav ul { margin-top: 20px; }
            nav ul li { margin: 0 10px; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            nav ul {
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(10, 25, 47, 0.98);
                display: none;
                padding: 20px 0;
                border-top: 1px solid #1e88e5;
            }
            nav.active ul { display: flex; }
            nav ul li { margin: 10px 0; text-align: center; }
            .interactive-section { grid-template-columns: 1fr; }
        }
        @media (max-width: 576px) {
            h1 { font-size: 2.2rem; }
            .article-header { padding: 20px; }
            .interactive-box { padding: 20px; }
        }