* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0f1419;
            color: #e0e0e0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #4dabf7;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ffd43b;
        }
        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; }
        .mb-1 { margin-bottom: 0.5rem; }
        .mb-2 { margin-bottom: 1rem; }
        .mb-3 { margin-bottom: 2rem; }
        .mt-3 { margin-top: 2rem; }
        .py-2 { padding-top: 1rem; padding-bottom: 1rem; }
        .py-3 { padding-top: 2rem; padding-bottom: 2rem; }
        .highlight {
            background: linear-gradient(90deg, #ff6b6b, #ffd93d);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-weight: bold;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: linear-gradient(135deg, #339af0, #228be6);
            color: white;
            border-radius: 30px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }
        .btn:hover {
            background: linear-gradient(135deg, #228be6, #1c7ed6);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(34, 139, 230, 0.3);
        }
        .site-header {
            background: linear-gradient(180deg, #1a2332 0%, #0f1419 100%);
            padding: 1rem 0;
            border-bottom: 2px solid #339af0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, #ff6b6b, #ffd93d, #4dabf7);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-decoration: none;
        }
        .logo a:hover {
            filter: brightness(1.2);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #adb5bd;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:hover {
            color: #ffd43b;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #ffd43b;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: #adb5bd;
            border-radius: 2px;
            transition: 0.3s;
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -6px);
        }
        .breadcrumb {
            background-color: #1a2332;
            padding: 1rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: #868e96;
        }
        .breadcrumb a {
            color: #868e96;
        }
        .breadcrumb a:hover {
            color: #ffd43b;
        }
        .search-section {
            background: linear-gradient(90deg, #1c7ed6, #364fc7);
            padding: 2rem 0;
            margin-bottom: 3rem;
            border-radius: 10px;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex-grow: 1;
            padding: 15px 20px;
            border: none;
            border-radius: 30px;
            font-size: 1rem;
            background: rgba(255, 255, 255, 0.95);
        }
        .search-btn {
            padding: 15px 25px;
            background: #ffd43b;
            color: #1a2332;
            border: none;
            border-radius: 30px;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-btn:hover {
            background: #ffc107;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-bottom: 3rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: rgba(26, 35, 50, 0.7);
            border-radius: 15px;
            padding: 2.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            color: #ffd43b;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: #4dabf7;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #339af0;
        }
        h3 {
            font-size: 1.6rem;
            color: #ffa94d;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #69db7c;
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        strong {
            color: #ffd43b;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .article-image {
            margin: 2rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
            max-width: 800px;
        }
        .article-image img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .article-image:hover img {
            transform: scale(1.03);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #868e96;
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .update-time {
            background: #2b3a4e;
            padding: 1rem;
            border-radius: 8px;
            margin-top: 2rem;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
        }
        .update-time i {
            color: #69db7c;
        }
        aside {
            background: rgba(26, 35, 50, 0.7);
            border-radius: 15px;
            padding: 1.5rem;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            color: #ffd43b;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #495057;
        }
        .related-links ul {
            list-style: none;
            margin-left: 0;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-left: 1.5rem;
            position: relative;
        }
        .related-links li::before {
            content: '➤';
            position: absolute;
            left: 0;
            color: #4dabf7;
        }
        .interaction-forms {
            background: rgba(26, 35, 50, 0.7);
            border-radius: 15px;
            padding: 2rem;
            margin-top: 3rem;
        }
        .form-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        .form-box {
            background: #1a2332;
            padding: 1.5rem;
            border-radius: 10px;
        }
        .form-box h3 {
            color: #ffa94d;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-box h3 i {
            color: #ffd43b;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            color: #adb5bd;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px 15px;
            background: #2b3a4e;
            border: 1px solid #495057;
            border-radius: 8px;
            color: #e0e0e0;
            font-size: 1rem;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #4dabf7;
        }
        .stars {
            display: flex;
            gap: 5px;
            margin-bottom: 1rem;
        }
        .star {
            font-size: 1.8rem;
            color: #495057;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffd43b;
        }
        footer {
            background: linear-gradient(180deg, #1a2332 0%, #0a0d12 100%);
            padding-top: 3rem;
            border-top: 2px solid #339af0;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(to right, #ff6b6b, #ffd93d);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 1rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 1rem;
        }
        friend-link {
            display: inline-block;
            padding: 8px 15px;
            background: #2b3a4e;
            border-radius: 20px;
            font-size: 0.9rem;
            transition: background 0.3s;
        }
        friend-link:hover {
            background: #339af0;
        }
        .copyright {
            text-align: center;
            padding: 1.5rem 0;
            border-top: 1px solid #495057;
            color: #868e96;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .main-nav ul {
                position: fixed;
                top: 80px;
                right: -100%;
                flex-direction: column;
                background: #1a2332;
                width: 80%;
                max-width: 300px;
                height: calc(100vh - 80px);
                padding: 2rem;
                border-left: 2px solid #339af0;
                transition: right 0.4s ease;
                z-index: 999;
            }
            .main-nav.active ul {
                right: 0;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            article, aside, .interaction-forms {
                padding: 1.5rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input, .search-btn {
                width: 100%;
            }
        }