:root {
            --primary: #ff6b35;
            --dark: #1a1a2e;
            --accent: #e94560;
            --bg: #f8f9fa;
            --white: #ffffff;
            --text: #333333;
            --light-gray: #e9ecef;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --radius: 12px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 16px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--dark) 0%, #2d2d44 100%);
            padding: 18px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--white);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo span {
            color: var(--primary);
        }
        .my-logo .badge {
            font-size: 0.6em;
            background: var(--primary);
            padding: 2px 8px;
            border-radius: 20px;
            color: var(--white);
            vertical-align: middle;
        }
        .nav-menu {
            display: flex;
            gap: 20px;
            list-style: none;
            align-items: center;
        }
        .nav-menu a {
            color: #ccc;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
            font-size: 0.95rem;
        }
        .nav-menu a:hover {
            color: var(--primary);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.6rem;
            cursor: pointer;
        }
        .breadcrumb {
            background: var(--white);
            padding: 12px 0;
            border-bottom: 1px solid var(--light-gray);
            font-size: 0.85rem;
        }
        .breadcrumb .container {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb i {
            font-size: 0.7rem;
            color: #999;
        }
        .hero {
            background: linear-gradient(135deg, #ff6b3540, #e9456040), url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"%3E%3Crect fill="%231a1a2e" width="100" height="100"/%3E%3Ccircle cx="20" cy="30" r="8" fill="%23ff6b35" opacity="0.3"/%3E%3Ccircle cx="80" cy="60" r="12" fill="%23e94560" opacity="0.2"/%3E%3C/svg%3E');
            padding: 60px 0;
            text-align: center;
            color: var(--dark);
        }
        .hero h1 {
            font-size: 2.8rem;
            margin-bottom: 15px;
            line-height: 1.2;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero h1 .highlight {
            color: var(--primary);
            position: relative;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto;
            color: #555;
        }
        .search-box {
            max-width: 500px;
            margin: 25px auto 0;
            display: flex;
            background: var(--white);
            border-radius: 50px;
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        .search-box input {
            flex: 1;
            border: none;
            padding: 14px 20px;
            font-size: 1rem;
            outline: none;
        }
        .search-box button {
            background: var(--primary);
            border: none;
            color: var(--white);
            padding: 0 24px;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s;
        }
        .search-box button:hover {
            background: #e5551f;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 3fr 1fr;
            gap: 40px;
            padding: 40px 0;
        }
        .article-main {
            background: var(--white);
            border-radius: var(--radius);
            padding: 40px;
            box-shadow: var(--shadow);
        }
        .article-main h2 {
            font-size: 2rem;
            color: var(--dark);
            margin: 40px 0 15px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--primary);
            position: relative;
        }
        .article-main h2::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--accent);
        }
        .article-main h3 {
            font-size: 1.4rem;
            color: var(--dark);
            margin: 30px 0 12px;
        }
        .article-main h4 {
            font-size: 1.1rem;
            color: var(--accent);
            margin: 20px 0 10px;
        }
        .article-main p {
            margin-bottom: 15px;
            text-align: justify;
        }
        .article-main ul {
            margin: 0 0 20px 20px;
        }
        .article-main li {
            margin-bottom: 8px;
        }
        .article-main img {
            max-width: 100%;
            border-radius: var(--radius);
            margin: 20px 0;
            box-shadow: var(--shadow);
        }
        .article-main .img-caption {
            font-size: 0.8rem;
            color: #777;
            text-align: center;
            margin-top: -10px;
            margin-bottom: 20px;
        }
        .article-main a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color 0.3s;
        }
        .article-main a:hover {
            color: var(--accent);
        }
        .article-main blockquote {
            border-left: 4px solid var(--primary);
            background: #fff8f5;
            padding: 15px 20px;
            margin: 20px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
            font-style: italic;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fff3f0, #ffe8e4);
            border-radius: var(--radius);
            padding: 20px;
            margin: 20px 0;
            border: 1px solid #ffd9d0;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: var(--white);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            font-size: 1.2rem;
            color: var(--dark);
            margin-bottom: 15px;
            border-bottom: 2px solid var(--primary);
            padding-bottom: 8px;
        }
        .sidebar-widget ul {
            list-style: none;
        }
        .sidebar-widget li {
            margin-bottom: 12px;
        }
        .sidebar-widget a {
            color: var(--text);
            text-decoration: none;
            transition: color 0.3s, padding-left 0.3s;
            display: block;
            padding: 4px 0;
        }
        .sidebar-widget a:hover {
            color: var(--primary);
            padding-left: 8px;
        }
        .sidebar-widget a::before {
            content: '\f105';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            margin-right: 8px;
            color: var(--primary);
            font-size: 0.8rem;
        }
        .form-section {
            background: var(--white);
            border-radius: var(--radius);
            padding: 30px;
            margin-top: 40px;
            box-shadow: var(--shadow);
        }
        .form-section h2 {
            margin-top: 0 !important;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--dark);
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid var(--light-gray);
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s;
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary);
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn-submit {
            background: var(--primary);
            color: var(--white);
            border: none;
            padding: 12px 30px;
            border-radius: 50px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-submit:hover {
            background: #e5551f;
            transform: scale(1.02);
        }
        .rating-stars {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-start;
            gap: 5px;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating-stars label:hover,
        .rating-stars label:hover~label,
        .rating-stars input:checked~label {
            color: #ffb400;
        }
        .site-footer {
            background: var(--dark);
            color: #ccc;
            padding: 50px 0 20px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 30px;
        }
        .site-footer h3 {
            color: var(--white);
            margin-bottom: 15px;
            font-size: 1.1rem;
        }
        .site-footer a {
            color: #aaa;
            text-decoration: none;
            transition: color 0.3s;
        }
        .site-footer a:hover {
            color: var(--primary);
        }
        .site-footer .copyright {
            border-top: 1px solid #333;
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: #888;
        }
        friend-link {
            display: block;
            background: #2a2a3e;
            border-radius: var(--radius);
            padding: 20px;
            margin: 20px 0;
            text-align: center;
        }
        friend-link a {
            color: #aaa;
            text-decoration: none;
            margin: 0 10px;
            transition: color 0.3s;
        }
        friend-link a:hover {
            color: var(--primary);
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
        }
        .data-table th,
        .data-table td {
            padding: 12px 15px;
            border: 1px solid var(--light-gray);
            text-align: left;
        }
        .data-table th {
            background: var(--dark);
            color: var(--white);
            font-weight: 600;
        }
        .data-table tr:nth-child(even) {
            background: #f8f9fa;
        }
        .data-table tr:hover {
            background: #fff3f0;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .sidebar {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .sidebar-widget {
                flex: 1;
                min-width: 250px;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                padding: 20px 0;
                gap: 15px;
                text-align: center;
            }
            .nav-menu.active {
                display: flex;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .article-main {
                padding: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }
            .article-main h2 {
                font-size: 1.5rem;
            }
            .article-main h3 {
                font-size: 1.2rem;
            }
            .search-box {
                flex-direction: column;
                border-radius: 12px;
            }
            .search-box input {
                border-radius: 12px 12px 0 0;
            }
            .search-box button {
                border-radius: 0 0 12px 12px;
                padding: 12px;
            }
        }