* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0f1a26;
            color: #e0e9f0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #4da6ff;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #80c1ff;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #15273d 0%, #0a1522 100%);
            border-bottom: 2px solid #1c3b5a;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(to right, #4da6ff, #00e6cc);
            -webkit-background-clip: text;
            -webkit-text-fill-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: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #4da6ff;
            transition: width 0.3s;
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #e0e9f0;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: #15273d;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            border-top: 1px solid #1c3b5a;
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            padding: 0.8rem 1rem;
            border-bottom: 1px solid #1c3b5a;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #8ca3b8;
        }
        .breadcrumb a {
            color: #8ca3b8;
        }
        .breadcrumb a:hover {
            color: #4da6ff;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: rgba(21, 39, 61, 0.7);
            border-radius: 12px;
            padding: 2.5rem;
            border: 1px solid #2a4a6e;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
        }
        h1 {
            font-size: 2.8rem;
            color: #4da6ff;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid #1c3b5a;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: #00e6cc;
            margin: 2.5rem 0 1rem 0;
            padding-top: 1rem;
            border-top: 2px dashed #2a4a6e;
        }
        h3 {
            font-size: 1.6rem;
            color: #80c1ff;
            margin: 2rem 0 1rem 0;
        }
        h4 {
            font-size: 1.3rem;
            color: #a3d5ff;
            margin: 1.5rem 0 0.8rem 0;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(29, 78, 137, 0.3);
            border-left: 4px solid #4da6ff;
            padding: 1.2rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .info-box {
            background-color: rgba(0, 150, 136, 0.15);
            border: 1px solid #00b3a1;
            border-radius: 8px;
            padding: 1.5rem;
            margin: 2rem 0;
        }
        ul, ol {
            margin-left: 1.8rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .article-image {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 800px;
        }
        .article-image img {
            border-radius: 10px;
            border: 2px solid #2a4a6e;
            box-shadow: 0 5px 15px rgba(0,0,0,0.5);
            transition: transform 0.5s ease;
        }
        .article-image img:hover {
            transform: scale(1.02);
        }
        .caption {
            font-style: italic;
            color: #8ca3b8;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background: rgba(21, 39, 61, 0.7);
            border-radius: 10px;
            padding: 1.8rem;
            border: 1px solid #2a4a6e;
        }
        .widget h3 {
            font-size: 1.4rem;
            margin-top: 0;
            color: #00e6cc;
            border-bottom: 1px solid #2a4a6e;
            padding-bottom: 0.7rem;
            margin-bottom: 1.2rem;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.9rem 1rem;
            background-color: #0a1522;
            border: 1px solid #2a4a6e;
            border-right: none;
            border-radius: 6px 0 0 6px;
            color: #e0e9f0;
        }
        .search-button {
            background-color: #1c3b5a;
            color: white;
            border: 1px solid #2a4a6e;
            border-radius: 0 6px 6px 0;
            padding: 0 1.5rem;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        .search-button:hover {
            background-color: #2a4a6e;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            color: #ffd700;
            margin: 1rem 0;
            letter-spacing: 0.3rem;
        }
        .stars i {
            cursor: pointer;
            transition: color 0.2s;
        }
        .stars i:hover {
            color: #ffed4e;
        }
        .rating-submit {
            background: linear-gradient(to right, #00b3a1, #008e7a);
            color: white;
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            transition: transform 0.3s;
        }
        .rating-submit:hover {
            transform: translateY(-3px);
        }
        .comment-form input,
        .comment-form textarea {
            width: 100%;
            padding: 0.9rem;
            margin-bottom: 1rem;
            background-color: #0a1522;
            border: 1px solid #2a4a6e;
            border-radius: 6px;
            color: #e0e9f0;
        }
        .comment-form textarea {
            min-height: 150px;
            resize: vertical;
        }
        .comment-submit {
            width: 100%;
            background: linear-gradient(to right, #4da6ff, #2a7dcc);
            color: white;
            border: none;
            padding: 1rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            transition: background-color 0.3s;
        }
        .comment-submit:hover {
            background: linear-gradient(to right, #5cb0ff, #3a8be0);
        }
        .link-list a {
            display: block;
            padding: 0.7rem 0;
            border-bottom: 1px solid #2a4a6e;
        }
        .link-list a:last-child {
            border-bottom: none;
        }
        .link-list a:hover {
            padding-left: 0.5rem;
            color: #80c1ff;
        }
        .site-footer {
            background-color: #0a1522;
            border-top: 2px solid #1c3b5a;
            padding: 3rem 0 1.5rem 0;
            margin-top: 3rem;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h4 {
            color: #00e6cc;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid #1c3b5a;
            color: #8ca3b8;
            font-size: 0.9rem;
        }
        .last-updated {
            text-align: right;
            font-style: italic;
            color: #8ca3b8;
            margin-bottom: 1rem;
            font-size: 0.9rem;
        }
        .bold {
            font-weight: 700;
            color: #a3d5ff;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .text-center {
            text-align: center;
        }
        .mt-3 {
            margin-top: 3rem;
        }
        .mb-3 {
            margin-bottom: 3rem;
        }