* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0f172a;
            color: #e2e8f0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #60a5fa;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #38bdf8;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 900;
            background: linear-gradient(90deg, #fbbf24, #ef4444);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            opacity: 0.9;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        nav a {
            color: #cbd5e1;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #60a5fa;
            transition: width 0.3s ease;
        }
        nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #fbbf24;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #1e293b;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: #94a3b8;
        }
        .breadcrumb a:hover {
            color: #60a5fa;
        }
        .breadcrumb span {
            color: #cbd5e1;
            margin: 0 0.5rem;
        }
        .search-container {
            background: #1e293b;
            padding: 2rem;
            border-radius: 12px;
            margin: 2rem 0;
            text-align: center;
        }
        .search-box {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-box input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: none;
            border-radius: 8px 0 0 8px;
            background-color: #334155;
            color: #f1f5f9;
            font-size: 1rem;
        }
        .search-box button {
            background: linear-gradient(90deg, #3b82f6, #1d4ed8);
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s ease;
        }
        .search-box button:hover {
            background: linear-gradient(90deg, #1d4ed8, #1e40af);
        }
        main {
            padding: 2rem 0;
        }
        article {
            background: #1e293b;
            border-radius: 16px;
            padding: 3rem;
            margin-bottom: 3rem;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
        }
        h1 {
            font-size: 2.8rem;
            color: #fbbf24;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2.2rem;
            color: #60a5fa;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #334155;
        }
        h3 {
            font-size: 1.8rem;
            color: #38bdf8;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #7dd3fc;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(59, 130, 246, 0.2), transparent);
            border-left: 4px solid #3b82f6;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .feature-img {
            width: 100%;
            border-radius: 12px;
            margin: 2rem 0;
            border: 3px solid #475569;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .content-link {
            font-weight: 600;
            border-bottom: 1px dashed #60a5fa;
        }
        .content-link:hover {
            border-bottom-style: solid;
        }
        .interaction-section {
            background: #1e293b;
            border-radius: 16px;
            padding: 3rem;
            margin-top: 3rem;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }
        .rating-box, .comment-box {
            background: #0f172a;
            padding: 2rem;
            border-radius: 12px;
            border: 1px solid #334155;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #475569;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #fbbf24;
        }
        .rating-form input, .comment-form textarea, .comment-form input {
            width: 100%;
            padding: 1rem;
            margin-bottom: 1rem;
            background: #334155;
            border: 1px solid #475569;
            border-radius: 8px;
            color: #f1f5f9;
        }
        .submit-btn {
            background: linear-gradient(90deg, #10b981, #059669);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s ease;
        }
        .submit-btn:hover {
            background: linear-gradient(90deg, #059669, #047857);
        }
        footer {
            background: #0f172a;
            padding: 3rem 0 1.5rem;
            border-top: 1px solid #334155;
            margin-top: 4rem;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        friend-link {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 2rem;
            margin: 2rem 0;
        }
        friend-link a {
            background: #1e293b;
            padding: 0.8rem 1.5rem;
            border-radius: 8px;
            font-weight: 600;
            border: 1px solid #334155;
        }
        friend-link a:hover {
            background: #334155;
            border-color: #60a5fa;
        }
        .copyright {
            text-align: center;
            color: #94a3b8;
            font-size: 0.9rem;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #334155;
            width: 100%;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
            article, .interaction-section { padding: 2rem; }
        }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1e293b;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                box-shadow: 0 10px 15px rgba(0,0,0,0.5);
            }
            nav ul.active { display: flex; }
            .hamburger { display: block; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.8rem; }
            .interaction-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 15px; }
            article, .interaction-section { padding: 1.5rem; }
            h1 { font-size: 1.8rem; }
            .search-box { flex-direction: column; }
            .search-box input, .search-box button { border-radius: 8px; margin-bottom: 0.5rem; }
        }