* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #e0e0e0;
            background: linear-gradient(135deg, #0a0e17 0%, #1a2332 100%);
            min-height: 100vh;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        .site-header {
            background-color: rgba(10, 14, 23, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid #00a2ff;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo a {
            font-family: 'Arial Black', Impact, sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            color: #00ccff;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 0 0 15px rgba(0, 178, 255, 0.7);
            background: linear-gradient(90deg, #00ccff, #0088ff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            transition: all 0.3s ease;
        }
        .my-logo a:hover {
            text-shadow: 0 0 25px rgba(0, 178, 255, 1);
            transform: scale(1.05);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .desktop-nav a {
            color: #b0d7ff;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 15px;
            border-radius: 5px;
            transition: all 0.3s ease;
        }
        .desktop-nav a:hover,
        .desktop-nav a:focus {
            background-color: rgba(0, 162, 255, 0.2);
            color: #ffffff;
            box-shadow: 0 0 10px rgba(0, 162, 255, 0.5);
        }
        .breadcrumb {
            background-color: rgba(30, 40, 60, 0.7);
            padding: 12px 20px;
            font-size: 0.95rem;
            margin-top: 5px;
            border-radius: 0 0 8px 8px;
        }
        .breadcrumb a {
            color: #80c8ff;
            text-decoration: none;
        }
        .breadcrumb a:hover { text-decoration: underline; }
        .breadcrumb span { color: #cccccc; margin: 0 8px; }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #00ccff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: rgba(10, 14, 23, 0.98);
            backdrop-filter: blur(15px);
            border-top: 1px solid #00a2ff;
            padding: 20px;
            flex-direction: column;
            gap: 15px;
            transform: translateY(-10px);
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s ease;
        }
        .mobile-nav.active {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
            display: flex;
        }
        .mobile-nav a {
            color: #b0d7ff;
            text-decoration: none;
            font-size: 1.2rem;
            padding: 12px;
            border-left: 4px solid #00a2ff;
            transition: all 0.3s;
        }
        .mobile-nav a:hover {
            background-color: rgba(0, 162, 255, 0.15);
            padding-left: 20px;
        }
        .main-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        .content-area {
            background-color: rgba(20, 28, 44, 0.8);
            border-radius: 15px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            border: 1px solid rgba(64, 156, 255, 0.2);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        h1 {
            font-size: 3.2rem;
            color: #00eeff;
            margin-bottom: 25px;
            line-height: 1.2;
            text-shadow: 0 0 20px rgba(0, 238, 255, 0.5);
            border-bottom: 3px solid #0088ff;
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2.4rem;
            color: #4db8ff;
            margin: 50px 0 25px;
            padding-left: 15px;
            border-left: 6px solid #00a2ff;
        }
        h3 {
            font-size: 1.8rem;
            color: #80c8ff;
            margin: 35px 0 18px;
        }
        h4 {
            font-size: 1.4rem;
            color: #a6d6ff;
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 1.8em;
            font-size: 1.15rem;
            text-align: justify;
        }
        strong {
            color: #ffffff;
            font-weight: 700;
            background-color: rgba(0, 100, 255, 0.15);
            padding: 2px 6px;
            border-radius: 3px;
        }
        .intro {
            font-size: 1.4rem;
            color: #c2e5ff;
            background: rgba(0, 80, 160, 0.1);
            padding: 25px;
            border-radius: 10px;
            border-left: 5px solid #00a2ff;
            margin-bottom: 40px;
        }
        .highlight-box {
            background: linear-gradient(145deg, rgba(0, 60, 120, 0.3), rgba(0, 120, 215, 0.2));
            border: 1px solid #0088ff;
            border-radius: 10px;
            padding: 25px;
            margin: 30px 0;
            box-shadow: inset 0 0 20px rgba(0, 100, 255, 0.1);
        }
        .article-img {
            width: 100%;
            border-radius: 10px;
            margin: 30px auto;
            border: 2px solid #00a2ff;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.7);
            transition: transform 0.5s ease, box-shadow 0.5s ease;
        }
        .article-img:hover {
            transform: scale(1.02);
            box-shadow: 0 15px 35px rgba(0, 100, 255, 0.4);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #aaa;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .link-list {
            background-color: rgba(30, 45, 70, 0.5);
            padding: 20px;
            border-radius: 8px;
            margin: 30px 0;
        }
        .link-list li {
            margin-bottom: 12px;
            list-style-position: inside;
        }
        .link-list a {
            color: #66c0ff;
            text-decoration: none;
            border-bottom: 1px dotted #66c0ff;
            transition: color 0.3s;
        }
        .link-list a:hover {
            color: #ffffff;
            border-bottom-style: solid;
        }
        .sidebar-module {
            background-color: rgba(25, 35, 55, 0.9);
            border-radius: 12px;
            padding: 25px;
            border: 1px solid rgba(64, 156, 255, 0.3);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
        }
        .sidebar-module h3 {
            font-size: 1.5rem;
            margin-top: 0;
            color: #00ccff;
            border-bottom: 2px solid #00a2ff;
            padding-bottom: 10px;
            margin-bottom: 20px;
        }
        .search-form input[type="search"] {
            width: 100%;
            padding: 14px;
            border: 2px solid #0088ff;
            border-radius: 8px;
            background-color: rgba(10, 20, 40, 0.8);
            color: white;
            font-size: 1rem;
            margin-bottom: 15px;
        }
        .search-form button {
            width: 100%;
            padding: 14px;
            background: linear-gradient(90deg, #0088ff, #00a2ff);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: bold;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .search-form button:hover {
            background: linear-gradient(90deg, #00a2ff, #00ccff);
            box-shadow: 0 0 15px rgba(0, 162, 255, 0.7);
        }
        .rating-form .stars {
            display: flex;
            justify-content: space-between;
            margin-bottom: 20px;
            font-size: 2rem;
            color: #444;
        }
        .rating-form .stars label {
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating-form .stars input:checked ~ label,
        .rating-form .stars label:hover,
        .rating-form .stars label:hover ~ label {
            color: #ffcc00;
        }
        .rating-form input[type="radio"] {
            display: none;
        }
        .comment-form textarea,
        .rating-form textarea,
        .comment-form input[type="text"],
        .comment-form input[type="email"] {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            border: 1px solid #555;
            border-radius: 6px;
            background-color: rgba(20, 30, 50, 0.8);
            color: white;
            font-size: 1rem;
        }
        .comment-form button,
        .rating-form button {
            width: 100%;
            padding: 14px;
            background: linear-gradient(90deg, #28a745, #20c997);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .comment-form button:hover,
        .rating-form button:hover {
            background: linear-gradient(90deg, #20c997, #00ffaa);
            box-shadow: 0 0 15px rgba(32, 201, 151, 0.7);
        }
        .update-time {
            font-size: 0.9rem;
            color: #88ddff;
            text-align: center;
            padding: 10px;
            background-color: rgba(0, 60, 120, 0.3);
            border-radius: 6px;
            margin-top: 20px;
        }
        .update-time i {
            margin-right: 8px;
        }
        .site-footer {
            background-color: #0a0e17;
            border-top: 2px solid #00a2ff;
            padding: 40px 0 20px;
            margin-top: 60px;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-section h4 {
            color: #00ccff;
            font-size: 1.3rem;
            margin-bottom: 20px;
        }
        .footer-section ul {
            list-style: none;
        }
        .footer-section li {
            margin-bottom: 10px;
        }
        .footer-section a {
            color: #b0d7ff;
            text-decoration: none;
            transition: color 0.3s, padding-left 0.3s;
        }
        .footer-section a:hover {
            color: #ffffff;
            padding-left: 8px;
        }
        friend-link {
            display: block;
            margin-top: 15px;
            padding: 15px;
            background-color: rgba(30, 45, 70, 0.5);
            border-radius: 8px;
        }
        friend-link a {
            color: #66c0ff !important;
            font-weight: bold;
        }
        .copyright {
            text-align: center;
            padding-top: 25px;
            border-top: 1px solid #2a3a5a;
            color: #888;
            font-size: 0.9rem;
            line-height: 1.6;
        }
        @media (max-width: 1024px) {
            .main-wrapper {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .sidebar {
                order: -1;
            }
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
            .content-area { padding: 25px; }
            .desktop-nav { display: none; }
            .hamburger { display: block; }
            .header-container { padding: 0 15px; }
            .main-wrapper { padding: 20px 0; }
            .footer-links { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            .intro { font-size: 1.2rem; padding: 20px; }
            .content-area { padding: 20px 15px; }
            .sidebar-module { padding: 20px; }
        }