* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Roboto, Arial, sans-serif;
            background: #f4f6fa;
            color: #1c2b39;
            line-height: 1.7;
            font-size: 16px;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .header {
            background: linear-gradient(135deg, #0a1a2f 0%, #123254 100%);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
            position: sticky;
            top: 0;
            z-index: 999;
        }
        .header-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 14px 0;
            gap: 10px;
        }
        .my-logo {
            font-size: 26px;
            font-weight: 900;
            text-decoration: none;
            color: #f5c518;
            letter-spacing: 1px;
            text-transform: uppercase;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            font-size: 32px;
            color: #f5c518;
        }
        .my-logo span {
            background: linear-gradient(to right, #f5c518, #ff8c00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .nav-links {
            display: flex;
            gap: 18px;
            list-style: none;
            flex-wrap: wrap;
        }
        .nav-links a {
            color: #c9d8e8;
            text-decoration: none;
            font-weight: 600;
            font-size: 14px;
            padding: 8px 12px;
            border-radius: 6px;
            transition: all 0.3s;
        }
        .nav-links a:hover {
            color: #f5c518;
            background: rgba(255, 255, 255, 0.08);
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 24px;
            cursor: pointer;
        }
        .breadcrumb {
            background: #eef1f5;
            padding: 10px 0;
            font-size: 13px;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 6px;
        }
        .breadcrumb li a {
            color: #0a60a5;
            text-decoration: none;
        }
        .breadcrumb li::after {
            content: "›";
            margin-left: 6px;
            color: #888;
        }
        .breadcrumb li:last-child::after {
            content: "";
        }
        .breadcrumb .current {
            color: #333;
            font-weight: 600;
        }
        .main {
            padding: 40px 0 50px;
        }
        .grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }
        .content {
            background: #fff;
            border-radius: 16px;
            padding: 36px;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.05);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .card {
            background: #fff;
            border-radius: 14px;
            padding: 24px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
        }
        h1 {
            font-size: 38px;
            color: #0a1a2f;
            border-left: 5px solid #f5c518;
            padding-left: 18px;
            margin-bottom: 16px;
            line-height: 1.2;
        }
        h2 {
            font-size: 28px;
            color: #123254;
            margin: 40px 0 16px;
            padding-bottom: 8px;
            border-bottom: 2px solid #f0f0f0;
            position: relative;
        }
        h2::after {
            content: "";
            display: block;
            width: 60px;
            height: 3px;
            background: #f5c518;
            margin-top: 8px;
        }
        h3 {
            font-size: 21px;
            color: #1a3a57;
            margin: 24px 0 10px;
        }
        h4 {
            font-size: 17px;
            color: #2d4d6b;
            margin: 16px 0 8px;
        }
        p {
            margin-bottom: 16px;
            color: #3d4852;
        }
        .highlight {
            background: #fff7e0;
            border-left: 4px solid #f5c518;
            padding: 12px 16px;
            border-radius: 0 8px 8px 0;
            margin: 20px 0;
        }
        .bordered {
            border: 1px solid #e0e0e0;
            border-radius: 12px;
            padding: 16px;
            margin: 16px 0;
        }
        .winner-table {
            width: 100%;
            border-collapse: collapse;
            margin: 16px 0 28px;
            font-size: 14px;
        }
        .winner-table th {
            background: #0a1a2f;
            color: #f5c518;
            text-align: left;
            padding: 10px 12px;
        }
        .winner-table td {
            padding: 10px 12px;
            border-bottom: 1px solid #dde1e6;
        }
        .winner-table tr:nth-child(even) {
            background: #f7f9fc;
        }
        .winner-table tr:hover {
            background: #eff4fb;
        }
        .search-box {
            display: flex;
            gap: 8px;
            margin: 18px 0;
        }
        .search-box input {
            flex: 1;
            padding: 12px 16px;
            border: 2px solid #cbd5e0;
            border-radius: 50px;
            font-size: 15px;
            outline: none;
            transition: 0.3s;
        }
        .search-box input:focus {
            border-color: #f5c518;
        }
        .search-box button {
            background: #0a1a2f;
            color: #fff;
            border: none;
            border-radius: 50px;
            padding: 12px 22px;
            cursor: pointer;
            font-weight: 600;
            transition: 0.3s;
        }
        .search-box button:hover {
            background: #1b3a5a;
        }
        .comment-list {
            margin-top: 20px;
        }
        .comment-item {
            background: #f9fafc;
            padding: 14px;
            border-radius: 10px;
            margin-bottom: 10px;
            border-left: 3px solid #123254;
        }
        .comment-item strong {
            color: #0a1a2f;
        }
        .stars {
            color: #ffb400;
            font-size: 18px;
        }
        .score-form {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
            margin: 12px 0;
        }
        .score-form select {
            padding: 8px 12px;
            border-radius: 8px;
            border: 1px solid #ccc;
        }
        .btn {
            background: #0a1a2f;
            color: #fff;
            border: none;
            padding: 10px 20px;
            border-radius: 30px;
            cursor: pointer;
            font-weight: 600;
            transition: 0.3s;
        }
        .btn:hover {
            background: #f5c518;
            color: #0a1a2f;
        }
        .sidebar-card h3 {
            font-size: 18px;
            margin-bottom: 12px;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card li {
            margin-bottom: 8px;
        }
        .sidebar-card a {
            color: #0a60a5;
            text-decoration: none;
            font-size: 14px;
        }
        .sidebar-card a:hover {
            color: #f5c518;
        }
        .footer {
            background: #0a1a2f;
            color: #aab8c7;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer a {
            color: #90caf9;
            text-decoration: none;
        }
        .footer .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid #1c3a5a;
            margin-bottom: 20px;
        }
        .footer .copyright {
            font-size: 14px;
            color: #8a9baa;
            text-align: center;
            padding: 10px 0;
        }
        .footer .copyright i {
            margin: 0 4px;
        }
        @media (max-width: 992px) {
            .grid {
                grid-template-columns: 1fr;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 10px 0;
                background: #0a1a2f;
            }
            .nav-links.show {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            h1 {
                font-size: 30px;
            }
            h2 {
                font-size: 24px;
            }
        }
        @media (max-width: 600px) {
            .content {
                padding: 20px;
            }
            .winner-table {
                font-size: 12px;
                overflow-x: auto;
                display: block;
            }
            .header-wrap {
                flex-direction: column;
                align-items: flex-start;
            }
            .search-box {
                flex-direction: column;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-2 {
            margin-top: 20px;
        }
        .mb-1 {
            margin-bottom: 12px;
        }
        .thumb-img {
            width: 100%;
            max-height: 400px;
            object-fit: cover;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            margin: 20px 0;
        }
        .fa-ul {
            margin-left: 22px;
        }
        .icon-star {
            color: #f5c518;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #0a1a2f;
            color: #fff;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
            opacity: 0.8;
            transition: 0.3s;
            z-index: 99;
            border: none;
            cursor: pointer;
        }
        .back-to-top:hover {
            opacity: 1;
            transform: translateY(-4px);
        }