*,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #f0f2f5;
            color: #1a1a2e;
            line-height: 1.75;
            font-size: 16px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #0066cc;
            text-decoration: none;
            transition: color 0.3s;
        }
        a:hover {
            color: #004499;
            text-decoration: underline;
        }
        i,
        .fa,
        .fas {
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
        }
        .fa-brands {
            font-family: 'Font Awesome 6 Brands';
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            padding: 20px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
            text-transform: uppercase;
            transition: transform 0.3s;
        }
        .my-logo:hover {
            transform: scale(1.05);
            text-decoration: none;
            color: #ffd700;
        }
        .my-logo .logo-icon {
            color: #ffd700;
            margin-right: 5px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 5px;
        }
        .nav-list li a {
            color: #e0e0e0;
            padding: 8px 14px;
            border-radius: 30px;
            font-weight: 500;
            font-size: 0.9rem;
            transition: background 0.3s, color 0.3s;
        }
        .nav-list li a:hover,
        .nav-list li a.active {
            background: #ffd700;
            color: #1a1a2e;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            background: transparent;
            border: none;
            padding: 10px;
            z-index: 1100;
        }
        .hamburger span {
            width: 28px;
            height: 3px;
            background: #fff;
            margin: 4px 0;
            border-radius: 3px;
            transition: 0.4s;
        }
        .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(5px, -5px);
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: #16213e;
                padding: 20px;
                gap: 10px;
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li {
                width: 100%;
            }
            .nav-list li a {
                display: block;
                padding: 12px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .header-inner {
                justify-content: space-between;
            }
        }
        .breadcrumb-wrapper {
            background: #fff;
            padding: 15px 0;
            border-bottom: 1px solid #e8e8e8;
            font-size: 0.85rem;
        }
        .breadcrumb-list {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .breadcrumb-list li:not(:last-child)::after {
            content: '›';
            margin-left: 8px;
            color: #999;
        }
        .breadcrumb-list a {
            color: #666;
        }
        .breadcrumb-list li.active {
            color: #1a1a2e;
            font-weight: 600;
        }
        .main-wrapper {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            padding: 40px 0;
        }
        @media (max-width: 992px) {
            .main-wrapper {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: #fff;
            border-radius: 16px;
            padding: 35px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
        }
        @media (max-width: 768px) {
            .article-content {
                padding: 20px;
            }
        }
        .article-content h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 15px;
            color: #1a1a2e;
            border-bottom: 4px solid #ffd700;
            padding-bottom: 15px;
        }
        .article-content h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 45px 0 18px;
            color: #0f3460;
            padding-left: 14px;
            border-left: 4px solid #ffd700;
        }
        .article-content h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: 30px 0 15px;
            color: #16213e;
        }
        .article-content h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 20px 0 10px;
            color: #0f3460;
        }
        .article-content p {
            margin-bottom: 18px;
            text-align: justify;
        }
        .article-content ul,
        .article-content ol {
            margin: 0 0 20px 25px;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .lead {
            font-size: 1.15rem;
            font-weight: 400;
            color: #444;
            line-height: 1.8;
            border-left: 3px solid #ffd700;
            padding-left: 20px;
            background: #fafafa;
            border-radius: 0 8px 8px 0;
            padding: 15px 20px;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fff9db, #fff3bf);
            border-left: 5px solid #ffd700;
            padding: 20px 25px;
            border-radius: 0 12px 12px 0;
            margin: 25px 0;
            font-size: 0.95rem;
        }
        .info-box {
            background: #f0f4ff;
            border-left: 5px solid #339af0;
            padding: 20px 25px;
            border-radius: 0 12px 12px 0;
            margin: 25px 0;
        }
        .warning-box {
            background: #fff0f0;
            border-left: 5px solid #ff6b6b;
            padding: 20px 25px;
            border-radius: 0 12px 12px 0;
            margin: 25px 0;
        }
        .content-img {
            border-radius: 12px;
            margin: 25px 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        }
        .content-img figcaption {
            text-align: center;
            font-size: 0.85rem;
            color: #666;
            padding: 10px 0;
            border-bottom: 1px solid #f0f0f0;
            margin-bottom: 10px;
        }
        .schedule-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0 30px;
            font-size: 0.9rem;
        }
        .schedule-table th {
            background: #0f3460;
            color: #fff;
            padding: 12px 15px;
            text-align: left;
            font-weight: 600;
        }
        .schedule-table td {
            padding: 10px 15px;
            border-bottom: 1px solid #eee;
        }
        .schedule-table tr:nth-child(even) {
            background: #f8f9fa;
        }
        .schedule-table tr:hover {
            background: #e7f5ff;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-card {
            background: #f8f9fa;
            border-radius: 12px;
            padding: 20px;
            text-align: center;
            border: 1px solid #eee;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
        }
        .stat-card .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #0f3460;
        }
        .stat-card .stat-label {
            font-size: 0.85rem;
            color: #666;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: #fff;
            border-radius: 16px;
            padding: 25px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
        }
        .sidebar-widget h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 18px;
            color: #0f3460;
            border-bottom: 2px solid #ffd700;
            padding-bottom: 8px;
        }
        .sidebar-links {
            list-style: none;
        }
        .sidebar-links li {
            padding: 8px 0;
            border-bottom: 1px solid #f5f5f5;
        }
        .sidebar-links li:last-child {
            border-bottom: none;
        }
        .sidebar-links a {
            color: #333;
            font-size: 0.9rem;
            display: block;
            transition: padding-left 0.3s;
        }
        .sidebar-links a:hover {
            padding-left: 8px;
            color: #0066cc;
            text-decoration: none;
        }
        .search-form {
            display: flex;
            gap: 8px;
        }
        .search-form input {
            flex: 1;
            padding: 10px 15px;
            border: 2px solid #e0e0e0;
            border-radius: 30px;
            font-size: 0.9rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .search-form input:focus {
            border-color: #0066cc;
        }
        .search-form button {
            background: #0f3460;
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 10px 18px;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #0066cc;
        }
        .user-interaction {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-top: 20px;
        }
        @media (max-width: 576px) {
            .user-interaction {
                grid-template-columns: 1fr;
            }
        }
        .interaction-card {
            background: #f8f9fa;
            border-radius: 12px;
            padding: 20px;
            border: 1px solid #eee;
        }
        .interaction-card h4 {
            margin-bottom: 15px;
            font-size: 1rem;
        }
        .interaction-card form {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .interaction-card input,
        .interaction-card textarea {
            width: 100%;
            padding: 10px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-family: inherit;
            font-size: 0.9rem;
        }
        .interaction-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .interaction-card button {
            background: #ffd700;
            color: #1a1a2e;
            border: none;
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
        }
        .interaction-card button:hover {
            background: #ffb700;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 5px;
            font-size: 1.5rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #ffd700;
        }
        .site-footer {
            background: #1a1a2e;
            color: #a0a0a0;
            padding: 50px 0 0;
            margin-top: 50px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            padding-bottom: 30px;
        }
        .site-footer h4 {
            color: #fff;
            margin-bottom: 18px;
            font-size: 1.1rem;
        }
        .site-footer ul {
            list-style: none;
        }
        .site-footer ul li {
            padding: 5px 0;
        }
        .site-footer ul li a {
            color: #a0a0a0;
            font-size: 0.9rem;
        }
        .site-footer ul li a:hover {
            color: #ffd700;
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid #2a2a4a;
            padding: 20px 0;
            text-align: center;
            font-size: 0.85rem;
            color: #777;
        }
        friend-link {
            display: block;
            padding: 15px;
            background: #1e1e3a;
            border-radius: 8px;
            margin-bottom: 10px;
            font-size: 0.9rem;
            border: 1px solid #2a2a4a;
        }
        friend-link a {
            color: #ffd700;
        }
        .back-to-top {
            position: fixed;
            bottom: 25px;
            right: 25px;
            background: #0f3460;
            color: #fff;
            width: 45px;
            height: 45px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
            z-index: 999;
            transition: background 0.3s, transform 0.3s;
        }
        .back-to-top:hover {
            background: #ffd700;
            color: #1a1a2e;
            transform: translateY(-3px);
        }
        @media (max-width: 600px) {
            .schedule-table {
                font-size: 0.78rem;
            }
            .schedule-table th,
            .schedule-table td {
                padding: 8px 6px;
            }
            .article-content h1 {
                font-size: 1.8rem;
            }
            .article-content h2 {
                font-size: 1.4rem;
            }
            .article-content h3 {
                font-size: 1.2rem;
            }
        }