* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0f172a;
            color: #e2e8f0;
            line-height: 1.8;
            font-size: 1.1rem;
            overflow-x: hidden;
        }
        a {
            color: #60a5fa;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #93c5fd;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            padding: 1.2rem 0;
            border-bottom: 2px solid #334155;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #fbbf24, #dc2626);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        .my-logo:hover {
            text-decoration: none;
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-list a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 6px;
        }
        .nav-list a:hover {
            background-color: rgba(96, 165, 250, 0.15);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #e2e8f0;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.95rem;
            color: #94a3b8;
            border-bottom: 1px solid #334155;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: #cbd5e1;
        }
        .search-section {
            background: #1e293b;
            padding: 2rem;
            border-radius: 12px;
            margin: 2rem 0;
            text-align: center;
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
        }
        .search-form {
            display: flex;
            max-width: 700px;
            margin: 0 auto;
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: 2px solid #475569;
            border-radius: 8px 0 0 8px;
            background: #0f172a;
            color: #e2e8f0;
            font-size: 1.1rem;
        }
        .search-button {
            background: linear-gradient(90deg, #3b82f6, #1d4ed8);
            color: white;
            border: none;
            padding: 0 2rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: 700;
            font-size: 1.1rem;
            transition: all 0.3s ease;
        }
        .search-button:hover {
            background: linear-gradient(90deg, #1d4ed8, #1e40af);
            transform: scale(1.02);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2.5rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: #1e293b;
            padding: 2.5rem;
            border-radius: 16px;
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.5);
        }
        .sidebar {
            background: #1e293b;
            padding: 1.8rem;
            border-radius: 16px;
            height: fit-content;
            position: sticky;
            top: 120px;
        }
        h1 {
            font-size: 2.8rem;
            color: #fbbf24;
            margin-bottom: 1.5rem;
            line-height: 1.3;
            border-left: 6px solid #dc2626;
            padding-left: 1.5rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #60a5fa;
            margin: 3rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #334155;
        }
        h3 {
            font-size: 1.8rem;
            color: #34d399;
            margin: 2.5rem 0 1rem;
        }
        h4 {
            font-size: 1.5rem;
            color: #a78bfa;
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.8rem;
            text-align: justify;
        }
        .highlight {
            background: rgba(245, 158, 11, 0.15);
            border-left: 4px solid #f59e0b;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .image-container {
            margin: 3rem 0;
            text-align: center;
        }
        .featured-img {
            width: 100%;
            border-radius: 12px;
            border: 3px solid #475569;
            box-shadow: 0 10px 20px rgba(0,0,0,0.7);
            transition: transform 0.4s ease;
        }
        .featured-img:hover {
            transform: scale(1.01);
        }
        .img-caption {
            margin-top: 0.8rem;
            font-style: italic;
            color: #94a3b8;
            font-size: 0.95rem;
        }
        .link-list {
            background: #0f172a;
            padding: 1.8rem;
            border-radius: 10px;
            margin: 2.5rem 0;
        }
        .link-list h3 {
            margin-top: 0;
        }
        .link-list ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
        }
        .link-list li {
            padding: 0.8rem;
            background: #1e293b;
            border-radius: 6px;
            transition: background 0.3s;
        }
        .link-list li:hover {
            background: #334155;
        }
        .interaction-section {
            margin: 4rem 0;
            padding: 2.5rem;
            background: #1e293b;
            border-radius: 16px;
        }
        .form-group {
            margin-bottom: 1.8rem;
        }
        .form-label {
            display: block;
            margin-bottom: 0.7rem;
            font-weight: 600;
            color: #cbd5e1;
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #475569;
            border-radius: 8px;
            background: #0f172a;
            color: #e2e8f0;
            font-size: 1rem;
        }
        .form-textarea {
            min-height: 180px;
            resize: vertical;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #475569;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star.active, .star:hover {
            color: #fbbf24;
        }
        .submit-button {
            background: linear-gradient(90deg, #10b981, #059669);
            color: white;
            border: none;
            padding: 1rem 3rem;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1.2rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .submit-button:hover {
            background: linear-gradient(90deg, #059669, #047857);
            transform: translateY(-3px);
        }
        .site-footer {
            background: #0f172a;
            padding: 3rem 0 1.5rem;
            border-top: 2px solid #334155;
            margin-top: 4rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }
        friend-link a {
            background: #1e293b;
            padding: 0.8rem 1.5rem;
            border-radius: 30px;
            font-weight: 600;
            display: inline-block;
            border: 1px solid #475569;
            transition: all 0.3s ease;
        }
        friend-link a:hover {
            background: #334155;
            transform: translateY(-3px);
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            color: #94a3b8;
            font-size: 0.95rem;
            padding-top: 1.5rem;
            border-top: 1px solid #334155;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1e293b;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1.5rem;
                border-top: 2px solid #334155;
                box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            }
            .nav-list.active {
                display: flex;
            }
            .nav-list li {
                width: 100%;
                text-align: center;
            }
            .nav-list a {
                display: block;
                padding: 1rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.9rem;
            }
            h3 {
                font-size: 1.6rem;
            }
            .article-content, .sidebar, .interaction-section {
                padding: 1.5rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input, .search-button {
                border-radius: 8px;
                margin-bottom: 0.5rem;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-4 {
            margin-top: 2rem;
        }
        .mb-4 {
            margin-bottom: 2rem;
        }
        .emoji {
            font-size: 1.3em;
            margin-right: 0.3em;
        }
        .bold {
            font-weight: 800;
            color: #fbbf24;
        }
        .last-updated {
            color: #94a3b8;
            font-size: 0.95rem;
            margin-bottom: 2rem;
            display: block;
        }