* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #f5f7fa;
            color: #1a1a2e;
            line-height: 1.7;
            font-size: 16px;
        }
        a {
            color: #e94560;
            text-decoration: none;
            transition: color 0.3s;
        }
        a:hover {
            color: #0f3460;
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #0f3460, #16213e);
            color: #fff;
            padding: 20px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0,0,0,0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            background: linear-gradient(45deg, #e94560, #f5a623);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 1px;
            text-shadow: 0 2px 10px rgba(233,69,96,0.3);
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .my-logo i {
            -webkit-text-fill-color: #e94560;
            margin-right: 6px;
        }
        .hamburger {
            display: none;
            font-size: 28px;
            color: #fff;
            cursor: pointer;
            background: none;
            border: none;
            padding: 4px 10px;
            border-radius: 6px;
            transition: background 0.3s;
        }
        .hamburger:hover {
            background: rgba(255,255,255,0.1);
        }
        nav {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            color: #ddd;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 20px;
            transition: all 0.3s;
            font-size: 14px;
            background: rgba(255,255,255,0.05);
        }
        nav a:hover {
            color: #fff;
            background: #e94560;
            text-decoration: none;
            transform: translateY(-2px);
        }
        .nav-search-form {
            display: flex;
            gap: 6px;
            align-items: center;
            background: rgba(255,255,255,0.1);
            border-radius: 30px;
            padding: 2px 2px 2px 16px;
        }
        .nav-search-form input {
            background: transparent;
            border: none;
            color: #fff;
            padding: 6px 0;
            font-size: 14px;
            outline: none;
            width: 120px;
        }
        .nav-search-form input::placeholder {
            color: #aaa;
        }
        .nav-search-form button {
            background: #e94560;
            border: none;
            color: #fff;
            padding: 6px 16px;
            border-radius: 30px;
            cursor: pointer;
            font-size: 14px;
            transition: background 0.3s;
        }
        .nav-search-form button:hover {
            background: #d63851;
        }
        .breadcrumb {
            background: #f0f2f5;
            padding: 12px 0;
            border-bottom: 1px solid #e0e0e0;
            font-size: 13px;
        }
        .breadcrumb a {
            color: #0f3460;
        }
        .breadcrumb span {
            color: #666;
            margin: 0 4px;
        }
        .hero {
            background: linear-gradient(135deg, #0f3460 0%, #1a1a2e 100%);
            color: #fff;
            padding: 50px 0 40px;
            text-align: center;
            border-bottom: 4px solid #e94560;
        }
        .hero h1 {
            font-size: 42px;
            font-weight: 800;
            margin-bottom: 12px;
            background: linear-gradient(45deg, #f5a623, #e94560);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 18px;
            max-width: 700px;
            margin: 0 auto 20px;
            color: #ccc;
        }
        .hero .last-updated {
            font-size: 14px;
            color: #aaa;
            margin-top: 10px;
        }
        .hero .last-updated i {
            margin-right: 6px;
        }
        main {
            padding: 40px 0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-body h2 {
            font-size: 30px;
            margin: 40px 0 16px;
            color: #0f3460;
            border-left: 5px solid #e94560;
            padding-left: 16px;
        }
        .article-body h3 {
            font-size: 24px;
            margin: 30px 0 12px;
            color: #16213e;
        }
        .article-body h4 {
            font-size: 20px;
            margin: 20px 0 10px;
            color: #1a1a2e;
        }
        .article-body p {
            margin-bottom: 18px;
            text-align: justify;
        }
        .article-body ul, .article-body ol {
            margin: 12px 0 20px 24px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            margin: 20px 0;
            box-shadow: 0 8px 30px rgba(0,0,0,0.12);
        }
        .highlight-box {
            background: #fef9e7;
            border-left: 6px solid #f5a623;
            padding: 20px 24px;
            border-radius: 8px;
            margin: 24px 0;
        }
        .highlight-box strong {
            color: #e94560;
        }
        .insight-card {
            background: #e8f0fe;
            border-radius: 12px;
            padding: 20px;
            margin: 20px 0;
            border: 1px solid #d0ddf0;
        }
        .insight-card i {
            color: #e94560;
            margin-right: 8px;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 16px;
            margin: 20px 0;
        }
        .stat-item {
            background: #fff;
            border-radius: 12px;
            padding: 20px;
            text-align: center;
            box-shadow: 0 4px 14px rgba(0,0,0,0.06);
            border: 1px solid #eee;
        }
        .stat-item .num {
            font-size: 32px;
            font-weight: 800;
            color: #e94560;
        }
        .stat-item .label {
            font-size: 14px;
            color: #666;
        }
        .sidebar {
            background: #fff;
            border-radius: 16px;
            padding: 24px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.06);
            position: sticky;
            top: 100px;
            height: fit-content;
        }
        .sidebar h3 {
            font-size: 20px;
            color: #0f3460;
            margin-bottom: 16px;
            border-bottom: 2px solid #e94560;
            padding-bottom: 8px;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar ul li {
            margin-bottom: 10px;
        }
        .sidebar ul li a {
            display: block;
            padding: 8px 12px;
            background: #f8f9fa;
            border-radius: 8px;
            transition: all 0.3s;
            font-size: 14px;
            color: #1a1a2e;
        }
        .sidebar ul li a:hover {
            background: #e94560;
            color: #fff;
            text-decoration: none;
            transform: translateX(4px);
        }
        .sidebar .link-list-extra {
            margin-top: 20px;
        }
        .sidebar .link-list-extra a {
            font-size: 13px;
            padding: 6px 10px;
        }
        .feedback-section {
            margin-top: 50px;
            padding-top: 30px;
            border-top: 2px solid #e0e0e0;
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-top: 20px;
        }
        @media (max-width: 768px) {
            .feedback-grid {
                grid-template-columns: 1fr;
            }
        }
        .feedback-card {
            background: #fff;
            border-radius: 16px;
            padding: 24px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.06);
            border: 1px solid #f0f0f0;
        }
        .feedback-card h3 {
            font-size: 20px;
            color: #0f3460;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feedback-card h3 i {
            color: #e94560;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 4px;
            font-size: 14px;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 14px;
            transition: border 0.3s;
            font-family: inherit;
            background: #fafafa;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #e94560;
            outline: none;
            background: #fff;
        }
        .form-group textarea {
            resize: vertical;
            min-height: 80px;
        }
        .btn-primary {
            background: #e94560;
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 30px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }
        .btn-primary:hover {
            background: #d63851;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(233,69,96,0.3);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            gap: 4px;
            justify-content: flex-end;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 28px;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f5a623;
        }
        footer {
            background: #0f3460;
            color: #ccc;
            padding: 40px 0 20px;
            margin-top: 40px;
        }
        footer a {
            color: #f5a623;
        }
        footer a:hover {
            color: #fff;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }
        @media (max-width: 768px) {
            .footer-inner {
                grid-template-columns: 1fr;
            }
        }
        .footer-inner h4 {
            color: #fff;
            font-size: 18px;
            margin-bottom: 12px;
        }
        .friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 10px;
        }
        .friend-link a {
            background: rgba(255,255,255,0.08);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            transition: all 0.3s;
            color: #ddd;
        }
        .friend-link a:hover {
            background: #e94560;
            color: #fff;
            text-decoration: none;
        }
        .copyright {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            text-align: center;
            font-size: 14px;
            color: #999;
        }
        .copyright strong {
            color: #ddd;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 8px;
                margin-top: 12px;
                background: rgba(255,255,255,0.05);
                padding: 16px;
                border-radius: 12px;
            }
            nav.show {
                display: flex;
            }
            nav a {
                width: 100%;
                text-align: center;
            }
            .nav-search-form {
                width: 100%;
                background: rgba(255,255,255,0.1);
                border-radius: 30px;
                padding: 2px 2px 2px 16px;
            }
            .nav-search-form input {
                width: 1px;
                flex: 1;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero p {
                font-size: 16px;
            }
            .article-body h2 {
                font-size: 24px;
            }
            .article-body h3 {
                font-size: 20px;
            }
            .sidebar {
                position: static;
            }
        }
        .scroll-top {
            position: fixed;
            bottom: 24px;
            right: 24px;
            background: #e94560;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            box-shadow: 0 4px 16px rgba(233,69,96,0.4);
            cursor: pointer;
            transition: all 0.3s;
            z-index: 999;
            border: none;
        }
        .scroll-top:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(233,69,96,0.5);
        }
        .table-wrap {
            overflow-x: auto;
            margin: 20px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 14px rgba(0,0,0,0.04);
        }
        table th {
            background: #0f3460;
            color: #fff;
            padding: 12px 16px;
            text-align: left;
        }
        table td {
            padding: 12px 16px;
            border-bottom: 1px solid #f0f0f0;
        }
        table tr:hover td {
            background: #f8f9fa;
        }
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 16px;
            margin: 20px 0;
        }
        .gallery-grid img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 10px;
            box-shadow: 0 4px 14px rgba(0,0,0,0.08);
            transition: transform 0.3s;
        }
        .gallery-grid img:hover {
            transform: scale(1.02);
        }
        .schema-hidden {
            display: none;
        }