* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #e0e0e0;
            background: linear-gradient(135deg, #0c1a2d 0%, #1a2b3e 100%);
            min-height: 100vh;
            background-attachment: fixed;
        }
        a {
            color: #4da6ff;
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }
        a:hover {
            color: #80c1ff;
            text-shadow: 0 0 8px rgba(77, 166, 255, 0.5);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight {
            background: linear-gradient(90deg, rgba(255,215,0,0.2), transparent);
            padding: 2px 6px;
            border-radius: 3px;
        }
        .site-header {
            background: rgba(10, 25, 47, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid #4da6ff;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Arial Black', Gadget, sans-serif;
            font-size: 2.2rem;
            background: linear-gradient(90deg, #ffd700, #4da6ff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
            letter-spacing: 1px;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
        }
        .nav-desktop a {
            color: #b0d0ff;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 5px;
        }
        .nav-desktop a:hover {
            background: rgba(77, 166, 255, 0.15);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #4da6ff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: rgba(10, 25, 47, 0.98);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 20px;
            border-top: 1px solid #2a486b;
            animation: slideDown 0.4s ease;
        }
        @keyframes slideDown {
            from { opacity: 0; transform: translateY(-10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: #b0d0ff;
            padding: 15px;
            border-bottom: 1px solid #2a486b;
            font-weight: 600;
        }
        .nav-mobile a:last-child { border-bottom: none; }
        .breadcrumb {
            padding: 15px 0;
            background: rgba(20, 40, 60, 0.7);
            font-size: 0.9rem;
        }
        .breadcrumb a { color: #b0d0ff; }
        .breadcrumb span { color: #ccc; }
        .search-section {
            padding: 30px 0;
            background: rgba(30, 50, 70, 0.5);
            border-radius: 10px;
            margin: 20px auto;
            max-width: 800px;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
        }
        .search-input {
            flex: 1;
            padding: 18px 25px;
            border: none;
            background: #1e2d3d;
            color: #fff;
            font-size: 1.1rem;
        }
        .search-input:focus {
            outline: 2px solid #4da6ff;
        }
        .search-btn {
            background: linear-gradient(90deg, #4da6ff, #2b5fd9);
            color: white;
            border: none;
            padding: 0 30px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: all 0.3s;
        }
        .search-btn:hover {
            background: linear-gradient(90deg, #5fb0ff, #3a6fe9);
            letter-spacing: 1px;
        }
        .main-content {
            padding: 40px 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .article-content {
            background: rgba(20, 35, 50, 0.8);
            border-radius: 15px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            border: 1px solid #2a486b;
        }
        .article-header {
            margin-bottom: 40px;
            padding-bottom: 25px;
            border-bottom: 3px solid #4da6ff;
        }
        h1 {
            font-size: 3rem;
            color: #ffd700;
            margin-bottom: 20px;
            line-height: 1.2;
            text-shadow: 0 2px 10px rgba(255,215,0,0.3);
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
        }
        .meta-info {
            display: flex;
            justify-content: space-between;
            color: #aaa;
            font-size: 0.95rem;
            flex-wrap: wrap;
            gap: 15px;
        }
        .update-time {
            color: #4da6ff;
            font-weight: 600;
        }
        h2 {
            color: #4da6ff;
            font-size: 2.2rem;
            margin: 50px 0 25px;
            padding-bottom: 10px;
            border-bottom: 2px solid #2a486b;
        }
        h3 {
            color: #80c1ff;
            font-size: 1.7rem;
            margin: 40px 0 20px;
        }
        h4 {
            color: #a3d1ff;
            font-size: 1.4rem;
            margin: 30px 0 15px;
        }
        p {
            margin-bottom: 25px;
            font-size: 1.15rem;
            text-align: justify;
        }
        .featured-img {
            margin: 40px auto;
            border-radius: 10px;
            overflow: hidden;
            border: 3px solid #4da6ff;
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            max-width: 800px;
        }
        .inset-box {
            background: rgba(30, 60, 90, 0.6);
            border-left: 5px solid #ffd700;
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 10px 10px 0;
        }
        .link-list {
            list-style: none;
            padding: 20px;
            background: rgba(40, 70, 100, 0.4);
            border-radius: 10px;
            margin: 30px 0;
        }
        .link-list li {
            padding: 10px 0;
            border-bottom: 1px dashed #4da6ff;
        }
        .link-list li:last-child { border-bottom: none; }
        .sidebar {
            background: rgba(20, 35, 50, 0.8);
            border-radius: 15px;
            padding: 30px;
            align-self: start;
            border: 1px solid #2a486b;
        }
        .widget {
            margin-bottom: 40px;
        }
        .widget-title {
            color: #ffd700;
            font-size: 1.5rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #4da6ff;
        }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: #b0d0ff;
            font-weight: 600;
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 15px;
            background: #1e2d3d;
            border: 1px solid #2a486b;
            border-radius: 8px;
            color: #fff;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-input:focus, .form-textarea:focus {
            border-color: #4da6ff;
            outline: none;
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            gap: 10px;
            font-size: 2rem;
            color: #555;
            cursor: pointer;
        }
        .star-rating .star {
            transition: color 0.2s;
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: #ffd700;
        }
        .submit-btn {
            background: linear-gradient(90deg, #4da6ff, #2b5fd9);
            color: white;
            border: none;
            padding: 18px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }
        .submit-btn:hover {
            background: linear-gradient(90deg, #5fb0ff, #3a6fe9);
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(77, 166, 255, 0.4);
        }
        .site-footer {
            background: rgba(10, 20, 35, 0.95);
            border-top: 3px solid #4da6ff;
            padding: 50px 0 30px;
            margin-top: 60px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-widget h3 {
            color: #ffd700;
            font-size: 1.5rem;
            margin-bottom: 25px;
        }
        friend-link {
            display: block;
            margin-bottom: 12px;
            color: #b0d0ff;
            padding: 8px 12px;
            background: rgba(40, 70, 100, 0.4);
            border-radius: 5px;
            transition: all 0.3s;
        }
        friend-link:hover {
            background: rgba(77, 166, 255, 0.2);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #2a486b;
            color: #aaa;
            font-size: 0.9rem;
        }