* {
            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, #0c1a25 0%, #1a1a2e 100%);
            background-attachment: fixed;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 15px;
        }
        a {
            color: #4da6ff;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #80c1ff;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .site-header {
            background: rgba(18, 30, 40, 0.95);
            backdrop-filter: blur(10px);
            padding: 1.2rem 0;
            border-bottom: 2px solid #2a4a6a;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 30, 60, 0.4);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #ff9900, #ff6600);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        .logo a {
            color: inherit;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #b0d0ff;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: rgba(45, 90, 140, 0.4);
            color: #fff;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: #ff9900;
            cursor: pointer;
            background: none;
            border: none;
        }
        .breadcrumb {
            background: rgba(30, 45, 60, 0.8);
            padding: 0.8rem 1.5rem;
            border-radius: 6px;
            margin: 1.5rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #a0c8ff;
        }
        .breadcrumb i {
            margin: 0 8px;
            color: #6688aa;
        }
        .hero {
            background: linear-gradient(rgba(10, 25, 40, 0.85), rgba(10, 25, 40, 0.95)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1350&q=80');
            background-size: cover;
            background-position: center;
            padding: 4rem 2rem;
            border-radius: 12px;
            text-align: center;
            margin-bottom: 3rem;
            border: 1px solid #2a5a8a;
            box-shadow: 0 10px 30px rgba(0, 40, 80, 0.5);
        }
        .hero h1 {
            font-size: 3.2rem;
            color: #fff;
            margin-bottom: 1rem;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.7);
        }
        .hero p {
            font-size: 1.4rem;
            max-width: 800px;
            margin: 0 auto 2rem;
            color: #d0e4ff;
        }
        .search-box {
            max-width: 600px;
            margin: 2rem auto;
            background: rgba(25, 40, 55, 0.9);
            padding: 1.5rem;
            border-radius: 10px;
            border: 1px solid #3a6a9a;
        }
        .search-box h2 {
            color: #ffaa33;
            margin-bottom: 1rem;
            font-size: 1.8rem;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
        }
        .search-input {
            flex: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid #3a6a9a;
            border-radius: 8px;
            background: #0f1e2d;
            color: #fff;
            font-size: 1rem;
        }
        .search-btn {
            background: linear-gradient(90deg, #ff9900, #ff7700);
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 8px;
            cursor: pointer;
            font-weight: bold;
            font-size: 1rem;
            transition: transform 0.2s;
        }
        .search-btn:hover {
            transform: scale(1.05);
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        .main-content {
            background: rgba(20, 35, 50, 0.85);
            padding: 2.5rem;
            border-radius: 12px;
            border: 1px solid #2a4a6a;
            box-shadow: 0 8px 25px rgba(0, 20, 40, 0.4);
        }
        .article-section {
            margin-bottom: 3rem;
            padding-bottom: 2rem;
            border-bottom: 1px dashed #3a5a7a;
        }
        .article-section h2 {
            color: #ffaa33;
            font-size: 2.2rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ff9900;
        }
        .article-section h3 {
            color: #80c1ff;
            font-size: 1.7rem;
            margin: 1.8rem 0 1rem;
        }
        .article-section p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
            color: #d0e0f0;
        }
        .highlight {
            background: rgba(255, 153, 0, 0.12);
            border-left: 4px solid #ff9900;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
            margin: 1.8rem 0;
        }
        .feature-img {
            width: 100%;
            border-radius: 10px;
            border: 2px solid #3a6a9a;
            margin: 2rem auto;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
        }
        .internal-links {
            background: rgba(30, 50, 70, 0.7);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .internal-links h4 {
            color: #ffcc66;
            margin-bottom: 1rem;
        }
        .internal-links ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .internal-links li {
            background: rgba(45, 80, 120, 0.5);
            padding: 0.7rem 1.2rem;
            border-radius: 6px;
            border: 1px solid #4a7aaa;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: rgba(20, 35, 50, 0.85);
            padding: 1.8rem;
            border-radius: 10px;
            border: 1px solid #2a4a6a;
        }
        .sidebar-widget h3 {
            color: #ffaa33;
            margin-bottom: 1.2rem;
            font-size: 1.5rem;
            border-bottom: 1px solid #3a5a7a;
            padding-bottom: 0.5rem;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #ffcc00;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars i {
            margin: 0 2px;
            transition: color 0.2s;
        }
        .stars i:hover {
            color: #ff9900;
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .rating-form select,
        .rating-form textarea {
            padding: 0.8rem;
            border-radius: 6px;
            border: 1px solid #3a6a9a;
            background: #0f1e2d;
            color: #fff;
        }
        .rating-form button {
            background: linear-gradient(90deg, #3399ff, #0066cc);
            color: white;
            border: none;
            padding: 0.9rem;
            border-radius: 8px;
            cursor: pointer;
            font-weight: bold;
        }
        .comment-widget textarea {
            width: 100%;
            min-height: 120px;
            padding: 1rem;
            border-radius: 8px;
            border: 1px solid #3a6a9a;
            background: #0f1e2d;
            color: #fff;
            margin-bottom: 1rem;
        }
        .comment-submit {
            background: linear-gradient(90deg, #33cc66, #009933);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 8px;
            cursor: pointer;
            font-weight: bold;
            width: 100%;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 3rem 0 2rem;
        }
        .web-link {
            background: rgba(25, 45, 65, 0.8);
            padding: 1.2rem;
            border-radius: 8px;
            border: 1px solid #3a5a7a;
            transition: transform 0.3s, border-color 0.3s;
        }
        .web-link:hover {
            transform: translateY(-5px);
            border-color: #ff9900;
        }
        .web-link a {
            color: #a0d0ff;
            font-weight: 600;
            display: block;
        }
        .site-footer {
            background: rgba(10, 20, 30, 0.95);
            padding: 2.5rem 0;
            margin-top: 3rem;
            border-top: 2px solid #2a4a6a;
            text-align: center;
        }
        .copyright {
            color: #88aacc;
            font-size: 0.95rem;
            margin-top: 1.5rem;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .main-nav {
                width: 100%;
                display: none;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0.5rem;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 1rem;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            .hero p {
                font-size: 1.2rem;
            }
            .content-wrapper {
                gap: 1.5rem;
            }
            .main-content {
                padding: 1.5rem;
            }
            .article-section h2 {
                font-size: 1.9rem;
            }
            .search-form {
                flex-direction: column;
            }
        }