* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.7;
            color: #e0e0e0;
            background: #0f1419;
            background-image: radial-gradient(circle at 20% 30%, rgba(30, 60, 114, 0.15) 0%, transparent 55%);
            max-width: 120rem;
            margin: 0 auto;
            padding: 0 1rem;
        }
        h1, h2, h3, h4 { font-family: 'Arial Black', Gadget, sans-serif; color: #4fc3f7; margin-bottom: 1rem; line-height: 1.3; }
        h1 { font-size: clamp(2.5rem, 5vw, 3.8rem); margin-top: 2rem; text-align: center; color: #00e5ff; text-shadow: 0 0 10px rgba(0, 229, 255, 0.5); }
        h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); border-left: 5px solid #ff4081; padding-left: 1rem; margin-top: 3rem; }
        h3 { font-size: clamp(1.5rem, 3vw, 2rem); color: #81d4fa; margin-top: 2.5rem; }
        h4 { font-size: 1.3rem; color: #b3e5fc; margin-top: 2rem; }
        p { margin-bottom: 1.8rem; font-size: 1.1rem; text-align: justify; }
        a { color: #80deea; text-decoration: none; transition: color 0.3s, text-shadow 0.3s; }
        a:hover { color: #00e5ff; text-shadow: 0 0 8px rgba(0, 229, 255, 0.7); }
        strong { color: #ffcc80; font-weight: 700; }
        em { color: #ce93d8; font-style: italic; }
        .container { display: grid; grid-template-columns: 1fr; gap: 2rem; }
        .site-header {
            background: linear-gradient(135deg, #1a237e 0%, #311b92 100%);
            padding: 1.5rem 0;
            border-bottom: 3px solid #00e5ff;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            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, #00e5ff, #ff4081);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .my-logo i { font-size: 2.5rem; }
        .main-nav { display: flex; align-items: center; }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            color: #bbdefb;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-links a:hover {
            background: rgba(0, 229, 255, 0.2);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #00e5ff;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.95rem;
            color: #90a4ae;
            border-bottom: 1px solid #37474f;
            margin-bottom: 2rem;
        }
        .breadcrumb a { color: #80deea; }
        .content-main {
            background: rgba(18, 27, 39, 0.85);
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: inset 0 0 30px rgba(0, 10, 30, 0.8), 0 5px 25px rgba(0, 0, 0, 0.5);
            border: 1px solid #263238;
        }
        .search-module {
            background: rgba(30, 40, 60, 0.9);
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
            text-align: center;
            border: 1px solid #00bcd4;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input[type="search"] {
            flex-grow: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid #37474f;
            border-radius: 8px 0 0 8px;
            background: #0a0f18;
            color: #fff;
            font-size: 1rem;
        }
        .search-form button {
            background: linear-gradient(90deg, #007bb2, #00bcd4);
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .search-form button:hover { background: linear-gradient(90deg, #005d8f, #0097a7); }
        .article-img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            border: 3px solid #37474f;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.7);
            display: block;
            margin: 2.5rem auto;
            transition: transform 0.5s, box-shadow 0.5s;
        }
        .article-img:hover {
            transform: scale(1.02);
            box-shadow: 0 15px 30px rgba(0, 229, 255, 0.3);
        }
        .info-box {
            background: linear-gradient(135deg, #1c313a, #102027);
            border-left: 6px solid #ff9800;
            padding: 1.5rem;
            margin: 2.5rem 0;
            border-radius: 0 8px 8px 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 2rem 0;
            padding: 1.5rem;
            background: rgba(41, 50, 65, 0.5);
            border-radius: 10px;
        }
        .link-list a {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            padding: 0.8rem;
            background: rgba(55, 71, 79, 0.5);
            border-radius: 6px;
        }
        .link-list a:hover { background: rgba(0, 229, 255, 0.15); }
        .interactive-module {
            margin: 3rem 0;
            padding: 2rem;
            background: rgba(26, 35, 46, 0.9);
            border-radius: 12px;
            border: 1px solid #455a64;
        }
        .module-title { text-align: center; margin-bottom: 1.8rem; color: #ffab40; }
        .rating-form, .comment-form {
            display: grid;
            gap: 1.2rem;
            max-width: 700px;
            margin: 0 auto;
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            font-size: 2rem;
            color: #555;
            margin-bottom: 1rem;
        }
        .star-rating .star {
            cursor: pointer;
            transition: color 0.2s, transform 0.2s;
        }
        .star-rating .star:hover,
        .star-rating .star.active { color: #ffd700; transform: scale(1.2); }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            color: #b0bec5;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.9rem;
            border: 1px solid #546e7a;
            border-radius: 6px;
            background: #0c121b;
            color: #fff;
            font-size: 1rem;
        }
        .form-group textarea { min-height: 150px; resize: vertical; }
        .submit-btn {
            background: linear-gradient(90deg, #d500f9, #651fff);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
            justify-self: start;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(213, 0, 249, 0.4);
        }
        .site-footer {
            background: #0a0f18;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
            border-top: 3px solid #00bcd4;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-section h4 { color: #4fc3f7; margin-bottom: 1.5rem; }
        .friend-links {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        friend-link {
            display: block;
            padding: 0.8rem;
            background: rgba(30, 40, 60, 0.7);
            border-radius: 6px;
            border-left: 4px solid #00e5ff;
            transition: background 0.3s, transform 0.3s;
        }
        friend-link:hover {
            background: rgba(0, 229, 255, 0.2);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #37474f;
            color: #78909c;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-inner { flex-direction: column; align-items: flex-start; gap: 1rem; }
            .hamburger { display: block; }
            .nav-links {
                flex-direction: column;
                width: 100%;
                display: none;
                margin-top: 1rem;
                gap: 0.5rem;
            }
            .nav-links.active { display: flex; }
            .content-main { padding: 1.5rem; }
            h1 { font-size: 2.3rem; }
            h2 { font-size: 1.9rem; }
            .search-form { flex-direction: column; }
            .search-form input, .search-form button { border-radius: 8px; width: 100%; }
            .search-form button { margin-top: 0.8rem; padding: 0.9rem; }
            .link-list { grid-template-columns: 1fr; }
        }
        @media (min-width: 769px) and (max-width: 1024px) {
            .container { grid-template-columns: 1fr; }
            .link-list { grid-template-columns: repeat(2, 1fr); }
        }