* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0f1419;
            color: #e0e0e0;
            line-height: 1.8;
            font-size: 18px;
            overflow-x: hidden;
        }
        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;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a237e 0%, #311b92 100%);
            padding: 20px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.8rem;
            font-weight: 900;
            color: #00e5ff;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 0 0 15px #00e5ff;
        }
        .my-logo:hover {
            color: #18ffff;
            text-shadow: 0 0 25px #18ffff;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        nav ul li a {
            color: #bb86fc;
            font-weight: 600;
            padding: 10px 15px;
            border-radius: 8px;
        }
        nav ul li a:hover {
            background-color: rgba(187, 134, 252, 0.2);
            color: #ffffff;
        }
        .hamburger {
            display: none;
            font-size: 2rem;
            cursor: pointer;
            color: #00e5ff;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: #b0b0b0;
        }
        .breadcrumb a {
            color: #bb86fc;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 40px 0;
            background-color: #121212;
            border-radius: 20px;
            margin-top: 20px;
            box-shadow: inset 0 0 50px rgba(0, 0, 0, 0.5);
        }
        h1, h2, h3, h4 {
            color: #4fc3f7;
            margin-bottom: 20px;
            line-height: 1.4;
        }
        h1 {
            font-size: 3.5rem;
            text-align: center;
            margin-bottom: 30px;
            color: #00e5ff;
            text-shadow: 0 0 20px #007bb6;
        }
        h2 {
            font-size: 2.5rem;
            border-left: 6px solid #bb86fc;
            padding-left: 15px;
            margin-top: 40px;
        }
        h3 {
            font-size: 2rem;
            color: #29b6f6;
            margin-top: 30px;
        }
        h4 {
            font-size: 1.5rem;
            color: #81d4fa;
            margin-top: 25px;
        }
        p {
            margin-bottom: 25px;
            text-align: justify;
            padding: 0 10px;
        }
        strong {
            color: #ffcc80;
            font-weight: 700;
        }
        em {
            color: #a5d6a7;
            font-style: italic;
        }
        .highlight {
            background-color: rgba(187, 134, 252, 0.1);
            border-left: 5px solid #bb86fc;
            padding: 20px;
            margin: 30px 0;
            border-radius: 0 10px 10px 0;
        }
        .featured-image {
            text-align: center;
            margin: 40px 0;
        }
        .featured-image figcaption {
            font-size: 0.9rem;
            color: #b0b0b0;
            margin-top: 10px;
        }
        .functional-section {
            background-color: #1e1e2e;
            padding: 30px;
            border-radius: 15px;
            margin: 40px 0;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
        }
        .functional-section h3 {
            color: #ffcc80;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 600px;
            margin: 0 auto;
        }
        input, textarea, select {
            padding: 15px;
            border-radius: 10px;
            border: 2px solid #333;
            background-color: #2d2d3d;
            color: #e0e0e0;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            border-color: #4fc3f7;
            outline: none;
        }
        button {
            padding: 15px 30px;
            background: linear-gradient(90deg, #00c6ff, #0072ff);
            color: white;
            border: none;
            border-radius: 10px;
            font-size: 1.2rem;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        button:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 114, 255, 0.4);
        }
        .rating {
            display: flex;
            gap: 10px;
            justify-content: center;
            margin-top: 20px;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 2rem;
            color: #555;
            cursor: pointer;
            transition: color 0.3s;
        }
        .rating label:hover,
        .rating label:hover ~ label,
        .rating input:checked ~ label {
            color: #ffcc00;
        }
        footer {
            background-color: #1a1a1a;
            padding: 50px 0 20px;
            margin-top: 60px;
            border-top: 3px solid #00e5ff;
        }
        .friend-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 30px;
            margin-bottom: 40px;
        }
        .friend-links a {
            background-color: #2d2d3d;
            padding: 15px 25px;
            border-radius: 10px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .friend-links a:hover {
            background-color: #3d3d4d;
            transform: scale(1.05);
        }
        .copyright {
            text-align: center;
            color: #888;
            font-size: 0.9rem;
            padding-top: 20px;
            border-top: 1px solid #333;
        }
        .update-time {
            text-align: center;
            color: #ffcc80;
            font-size: 1rem;
            margin-top: 20px;
            background-color: #2d2d3d;
            padding: 10px;
            border-radius: 8px;
            display: inline-block;
            margin-left: 50%;
            transform: translateX(-50%);
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            nav ul {
                flex-direction: column;
                position: fixed;
                top: 100px;
                left: -100%;
                width: 100%;
                background-color: #1a237e;
                padding: 20px;
                transition: left 0.5s ease;
                z-index: 999;
            }
            nav ul.active {
                left: 0;
            }
            .hamburger {
                display: block;
            }
            .header-content {
                flex-wrap: wrap;
            }
            .friend-links {
                flex-direction: column;
                align-items: center;
            }
        }