:root {
            --primary-color: #0a1428;
            --accent-color: #00a8ff;
            --secondary-color: #1a365d;
            --text-color: #e2e8f0;
            --light-bg: #2d3748;
            --dark-bg: #0d1117;
            --border-color: #4a5568;
            --success-color: #48bb78;
            --warning-color: #ed8936;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: var(--dark-bg);
            color: var(--text-color);
            line-height: 1.6;
            font-size: 1rem;
            overflow-x: hidden;
        }
        a {
            color: var(--accent-color);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ffffff;
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, #ff6b6b, #00a8ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo a {
            background: none;
            -webkit-text-fill-color: unset;
        }
        .search-box {
            display: flex;
            background: var(--light-bg);
            border-radius: 30px;
            overflow: hidden;
            padding: 5px;
            min-width: 250px;
        }
        .search-box input {
            flex: 1;
            border: none;
            background: transparent;
            color: var(--text-color);
            padding: 10px 15px;
            outline: none;
        }
        .search-box button {
            background: var(--accent-color);
            border: none;
            color: white;
            padding: 10px 20px;
            border-radius: 30px;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-box button:hover {
            background: #0097e6;
        }
        nav {
            margin-top: 1rem;
            border-top: 1px solid var(--border-color);
            padding-top: 1rem;
        }
        .nav-desktop {
            display: flex;
            justify-content: center;
            gap: 2rem;
            list-style: none;
        }
        .nav-desktop a {
            padding: 10px 15px;
            border-radius: 5px;
            font-weight: 600;
        }
        .nav-desktop a:hover {
            background: var(--light-bg);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--accent-color);
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            list-style: none;
            background: var(--secondary-color);
            border-radius: 10px;
            padding: 1rem;
            margin-top: 1rem;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            padding: 12px;
            border-bottom: 1px solid var(--border-color);
        }
        .nav-mobile a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        .breadcrumb a {
            color: #a0aec0;
        }
        .breadcrumb a:hover {
            color: var(--accent-color);
        }
        main {
            padding: 2rem 0;
            background: var(--primary-color);
            border-radius: 10px;
            margin-top: 20px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
        }
        article {
            padding: 0 2rem;
        }
        h1 {
            font-size: 3rem;
            color: #ffffff;
            margin-bottom: 1.5rem;
            text-align: center;
            border-bottom: 3px solid var(--accent-color);
            padding-bottom: 15px;
            text-shadow: 2px 2px 4px #000;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--accent-color);
            margin: 2.5rem 0 1rem;
            padding-left: 10px;
            border-left: 5px solid var(--warning-color);
        }
        h3 {
            font-size: 1.8rem;
            color: #ffcc00;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #48bb78;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background: rgba(0, 168, 255, 0.1);
            border-left: 4px solid var(--accent-color);
            padding: 15px;
            margin: 20px 0;
            border-radius: 0 8px 8px 0;
        }
        .img-container {
            text-align: center;
            margin: 30px auto;
            max-width: 800px;
        }
        .feature-img {
            width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.7);
            border: 3px solid var(--border-color);
        }
        .caption {
            font-style: italic;
            color: #cbd5e0;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .link-list {
            background: var(--light-bg);
            padding: 20px;
            border-radius: 10px;
            margin: 25px 0;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 15px;
        }
        .link-list a {
            display: block;
            padding: 12px;
            background: var(--secondary-color);
            border-radius: 6px;
            transition: transform 0.3s, background 0.3s;
        }
        .link-list a:hover {
            transform: translateY(-3px);
            background: var(--accent-color);
            color: white;
            text-decoration: none;
        }
        .update-time {
            text-align: right;
            font-size: 0.9rem;
            color: #a0aec0;
            padding: 10px;
            border-top: 1px dashed var(--border-color);
            margin-top: 30px;
        }
        .interactive-section {
            background: var(--light-bg);
            border-radius: 10px;
            padding: 25px;
            margin: 40px 0;
            border: 1px solid var(--border-color);
        }
        .interactive-section h3 {
            color: var(--accent-color);
            margin-top: 0;
        }
        .rating {
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 15px 0;
        }
        .star {
            color: #ffcc00;
            cursor: pointer;
            font-size: 1.5rem;
            transition: transform 0.2s;
        }
        .star:hover {
            transform: scale(1.2);
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-top: 20px;
        }
        input, textarea, select {
            padding: 12px 15px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background: var(--dark-bg);
            color: var(--text-color);
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            border-color: var(--accent-color);
        }
        button[type="submit"] {
            background: linear-gradient(90deg, var(--accent-color), #0097e6);
            color: white;
            border: none;
            padding: 15px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
        }
        button[type="submit"]:hover {
            background: linear-gradient(90deg, #0097e6, var(--accent-color));
            box-shadow: 0 5px 15px rgba(0, 168, 255, 0.4);
        }
        footer {
            background: var(--secondary-color);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
            border-top: 5px solid var(--accent-color);
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: #ffffff;
            margin-bottom: 1.2rem;
            font-size: 1.5rem;
        }
        friend-link {
            display: block;
            padding: 10px 0;
            border-bottom: 1px dashed var(--border-color);
        }
        friend-link:last-child {
            border-bottom: none;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color);
            color: #a0aec0;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
            .header-top { flex-direction: column; gap: 20px; }
            .search-box { width: 100%; max-width: 500px; }
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
            .hamburger { display: block; }
            .nav-mobile { display: none; }
            article { padding: 0 1rem; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.8rem; }
            .link-list { grid-template-columns: 1fr; }
            .footer-content { grid-template-columns: 1fr; text-align: center; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 10px; }
            h1 { font-size: 1.8rem; }
            .interactive-section { padding: 15px; }
        }