*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #f6f9fc;
            color: #1e2a3a;
            line-height: 1.8;
            padding: 0 16px;
        }
        a {
            color: #c8962e;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #a5771f;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.6rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0f1a2b;
            margin-top: 1.6rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.4rem;
        }
        h2 {
            font-size: 1.9rem;
            border-left: 5px solid #c8962e;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 12px;
        }
        header {
            background: linear-gradient(145deg, #0b1a2e, #142a44);
            padding: 18px 0;
            border-radius: 0 0 24px 24px;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.15);
            margin-bottom: 20px;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            background: linear-gradient(135deg, #f5d68a, #c8962e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 1px;
            text-shadow: 0 2px 8px rgba(200, 150, 46, 0.25);
            display: inline-block;
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo i {
            -webkit-text-fill-color: #c8962e;
            margin-right: 6px;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: #f5d68a;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px 10px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        nav {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 16px;
            align-items: center;
        }
        nav a {
            color: #e8eef5;
            font-weight: 500;
            padding: 6px 10px;
            border-radius: 20px;
            transition: background 0.2s, color 0.2s;
            font-size: 0.95rem;
        }
        nav a:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #f5d68a;
            text-decoration: none;
        }
        nav a i {
            margin-right: 5px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            padding: 14px 0 6px 0;
            font-size: 0.9rem;
            color: #5a6b7c;
            display: flex;
            flex-wrap: wrap;
            gap: 4px 8px;
            align-items: center;
        }
        .breadcrumb a {
            color: #2a4a6a;
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: #c8962e;
            text-decoration: none;
        }
        .breadcrumb span {
            color: #7a8a9a;
        }
        .breadcrumb i {
            font-size: 0.7rem;
            color: #9aabbb;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 36px;
            margin: 24px 0 40px;
        }
        .content-area {
            background: #ffffff;
            border-radius: 20px;
            padding: 28px 30px 40px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
        }
        .sidebar-area {
            position: sticky;
            top: 24px;
            align-self: start;
        }
        .sidebar-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 20px 18px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            margin-bottom: 20px;
        }
        .sidebar-card h4 {
            font-size: 1.1rem;
            border-bottom: 2px solid #e8edf2;
            padding-bottom: 10px;
            margin-top: 0;
            margin-bottom: 14px;
            color: #0f1a2b;
        }
        .sidebar-card ul {
            list-style: none;
            padding-left: 0;
            margin: 0;
        }
        .sidebar-card li {
            padding: 6px 0;
            border-bottom: 1px solid #f0f3f7;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card a {
            font-weight: 500;
            font-size: 0.95rem;
        }
        .featured-image {
            margin: 24px 0 28px;
            border-radius: 16px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
        }
        .featured-image figcaption {
            font-size: 0.85rem;
            color: #5a6b7c;
            margin-top: 8px;
            text-align: center;
            font-style: italic;
        }
        .search-box {
            display: flex;
            gap: 6px;
            margin: 20px 0 16px;
            flex-wrap: wrap;
        }
        .search-box input {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border: 2px solid #dce3ec;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .search-box input:focus {
            border-color: #c8962e;
        }
        .search-box button {
            background: #c8962e;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-box button:hover {
            background: #a5771f;
            transform: scale(0.98);
        }
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 28px 0 16px;
        }
        .feedback-card {
            background: #f8faff;
            border-radius: 16px;
            padding: 22px 20px 26px;
            border: 1px solid #e8edf4;
        }
        .feedback-card h4 {
            margin-top: 0;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feedback-card textarea {
            width: 100%;
            padding: 12px 14px;
            border: 2px solid #dce3ec;
            border-radius: 12px;
            font-size: 0.95rem;
            resize: vertical;
            min-height: 80px;
            font-family: inherit;
            outline: none;
            transition: border-color 0.3s;
        }
        .feedback-card textarea:focus {
            border-color: #c8962e;
        }
        .feedback-card input[type="text"],
        .feedback-card input[type="number"] {
            width: 100%;
            padding: 10px 14px;
            border: 2px solid #dce3ec;
            border-radius: 12px;
            font-size: 0.95rem;
            outline: none;
            transition: border-color 0.3s;
            margin-bottom: 10px;
        }
        .feedback-card input:focus {
            border-color: #c8962e;
        }
        .feedback-card .btn-submit {
            background: #1e3a5a;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 10px 28px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 6px;
        }
        .feedback-card .btn-submit:hover {
            background: #0f2a44;
            transform: scale(0.98);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #d4dce6;
            cursor: pointer;
            margin: 6px 0 12px;
        }
        .star-rating i {
            transition: color 0.2s, transform 0.15s;
        }
        .star-rating i:hover,
        .star-rating i.active {
            color: #f5b342;
            transform: scale(1.08);
        }
        footer {
            background: #0b1a2e;
            color: #c8d4e0;
            border-radius: 24px 24px 0 0;
            padding: 32px 24px 24px;
            margin-top: 40px;
        }
        footer a {
            color: #f5d68a;
        }
        footer a:hover {
            color: #ffdf8a;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 20px;
        }
        .footer-grid h5 {
            color: #f5d68a;
            font-size: 1.1rem;
            margin-top: 0;
            margin-bottom: 12px;
        }
        .footer-grid ul {
            list-style: none;
            padding-left: 0;
            margin: 0;
        }
        .footer-grid li {
            padding: 4px 0;
        }
        .copyright {
            border-top: 1px solid #1e3a5a;
            padding-top: 18px;
            text-align: center;
            font-size: 0.9rem;
            color: #8a9aaa;
        }
        friend-link {
            display: block;
            padding: 8px 0;
        }
        friend-link a {
            display: inline-block;
            margin: 4px 12px 4px 0;
            font-weight: 500;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #7a8a9a;
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 16px;
            padding: 8px 14px;
            background: #f0f5fa;
            border-radius: 30px;
            width: fit-content;
        }
        .highlight-box {
            background: #faf6ee;
            border-left: 5px solid #c8962e;
            padding: 16px 20px;
            border-radius: 0 12px 12px 0;
            margin: 20px 0;
        }
        .code-block {
            background: #0f1a2b;
            color: #e8eef5;
            padding: 14px 18px;
            border-radius: 12px;
            font-family: 'Courier New', monospace;
            font-size: 0.9rem;
            overflow-x: auto;
            margin: 14px 0;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 20px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 10px 14px;
            text-align: left;
            border-bottom: 1px solid #e8edf2;
        }
        th {
            background: #eef3f8;
            font-weight: 700;
            color: #0f1a2b;
        }
        tr:hover td {
            background: #f6fafe;
        }
        .badge {
            display: inline-block;
            padding: 2px 14px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .badge-green {
            background: #d4edda;
            color: #155724;
        }
        .badge-gold {
            background: #fff3cd;
            color: #856404;
        }
        .badge-red {
            background: #f8d7da;
            color: #721c24;
        }
        @media (max-width: 1024px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            .sidebar-area {
                position: static;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            body {
                padding: 0 8px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .content-area {
                padding: 18px 14px 30px;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 12px 0 4px;
                gap: 4px;
            }
            nav.open {
                display: flex;
            }
            nav a {
                padding: 8px 12px;
                width: 100%;
                border-radius: 8px;
            }
            .feedback-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .search-box button {
                padding: 12px 18px;
                font-size: 0.9rem;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.4rem;
            }
            .search-box input {
                min-width: 120px;
                padding: 10px 14px;
            }
            .search-box button {
                padding: 10px 14px;
                font-size: 0.85rem;
            }
            .feedback-card {
                padding: 16px 14px 20px;
            }
        }
        .no-js nav {
            display: flex !important;
        }
        @media (min-width: 769px) {
            nav {
                display: flex !important;
            }
            .hamburger {
                display: none !important;
            }
        }
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: #e8edf2;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb {
            background: #b0c0d0;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #8a9aaa;
        }