* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%);
            color: #e0e0e0;
            overflow-x: hidden;
        }
        a {
            color: #00b4d8;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #90e0ef;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        header {
            background: rgba(10, 10, 10, 0.95);
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .logo a {
            font-family: 'Arial Black', sans-serif;
            font-size: 2.5rem;
            font-weight: bold;
            color: #ffd700;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 0 0 10px #ffd700, 0 0 20px #ffaa00;
        }
        .logo a:hover {
            color: #ffffff;
            text-shadow: 0 0 15px #ffd700, 0 0 30px #ffaa00;
        }
        .nav-container {
            display: flex;
            align-items: center;
        }
        .nav-menu {
            display: flex;
            list-style: none;
        }
        .nav-menu li {
            margin-left: 1.5rem;
        }
        .nav-menu a {
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }
        .nav-menu a:hover {
            background: rgba(0, 180, 216, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: #ffd700;
            cursor: pointer;
            background: none;
            border: none;
        }
        .breadcrumb {
            padding: 1rem 2rem;
            background: rgba(30, 30, 46, 0.9);
            font-size: 0.9rem;
            max-width: 1400px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: #90e0ef;
        }
        main {
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 3fr 1fr;
            gap: 2rem;
        }
        .content {
            background: rgba(20, 20, 40, 0.9);
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.7);
        }
        .sidebar {
            background: rgba(20, 20, 40, 0.9);
            padding: 1.5rem;
            border-radius: 15px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.7);
            align-self: start;
        }
        h1 {
            font-size: 3.5rem;
            color: #ffd700;
            margin-bottom: 1.5rem;
            text-align: center;
            text-shadow: 0 0 10px #ffaa00;
            border-bottom: 3px solid #00b4d8;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2.5rem;
            color: #00b4d8;
            margin: 2rem 0 1rem;
            padding-left: 0.5rem;
            border-left: 5px solid #ffd700;
        }
        h3 {
            font-size: 2rem;
            color: #90e0ef;
            margin: 1.5rem 0 0.8rem;
        }
        h4 {
            font-size: 1.5rem;
            color: #b0b0ff;
            margin: 1.2rem 0 0.6rem;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
            text-align: justify;
            line-height: 1.8;
        }
        .highlight {
            background: rgba(0, 180, 216, 0.1);
            padding: 1rem;
            border-left: 4px solid #ffd700;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        strong {
            color: #ffd700;
            font-weight: bold;
        }
        em {
            color: #b0b0ff;
        }
        .updated-time {
            text-align: right;
            font-size: 0.9rem;
            color: #aaa;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px dashed #555;
        }
        .feature-image {
            width: 100%;
            border-radius: 10px;
            margin: 2rem 0;
            border: 3px solid #00b4d8;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.8);
        }
        form {
            background: rgba(30, 30, 50, 0.8);
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 2rem;
        }
        form h3 {
            color: #ffd700;
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            color: #90e0ef;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #555;
            border-radius: 5px;
            background: rgba(10, 10, 20, 0.8);
            color: #e0e0e0;
            font-size: 1rem;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #00b4d8;
            box-shadow: 0 0 8px rgba(0, 180, 216, 0.5);
        }
        button {
            background: linear-gradient(90deg, #00b4d8, #0077b6);
            color: white;
            padding: 0.8rem 1.5rem;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: bold;
            transition: all 0.3s ease;
        }
        button:hover {
            background: linear-gradient(90deg, #0077b6, #005f8a);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 180, 216, 0.4);
        }
        footer {
            background: rgba(10, 10, 10, 0.95);
            padding: 2rem;
            margin-top: 3rem;
            text-align: center;
        }
        friend-link {
            display: block;
            margin: 1rem 0;
            font-size: 1.2rem;
        }
        friend-link a {
            color: #ffd700;
            font-weight: bold;
        }
        .copyright {
            margin-top: 2rem;
            color: #aaa;
            font-size: 0.9rem;
            border-top: 1px solid #444;
            padding-top: 1rem;
        }
        @media (max-width: 1024px) {
            main {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2.8rem;
            }
            h2 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
            }
            .nav-menu.active {
                display: flex;
            }
            .nav-menu li {
                margin: 0.5rem 0;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 2rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .content, .sidebar {
                padding: 1.5rem;
            }
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .link-list {
            list-style: none;
            padding: 1rem;
            background: rgba(40, 40, 60, 0.8);
            border-radius: 10px;
        }
        .link-list li {
            margin-bottom: 0.8rem;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
        }
        .star {
            color: #ccc;
            cursor: pointer;
            font-size: 1.5rem;
        }
        .star:hover,
        .star.active {
            color: #ffd700;
        }