*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f6f9fc;
            color: #1e2a3a;
            line-height: 1.75;
            padding: 0 16px;
            max-width: 1400px;
            margin: 0 auto;
        }
        a {
            color: #0077b6;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #023e8a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.2rem;
            margin-bottom: 1rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        p {
            margin-bottom: 1.2rem;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 700;
            line-height: 1.3;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
            color: #0b1a2a;
        }
        h1 {
            font-size: 2.4rem;
            border-bottom: 4px solid #f4a261;
            display: inline-block;
            padding-bottom: 0.3rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #e76f51;
            padding-left: 0.8rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #264653;
        }
        h4 {
            font-size: 1.2rem;
            color: #2a9d8f;
        }
        header {
            padding: 1.2rem 0 0.6rem 0;
            border-bottom: 2px solid #e0e7ef;
            margin-bottom: 1.6rem;
        }
        .header-top {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #e76f51, #f4a261);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-block;
            padding: 0.2rem 0;
        }
        .my-logo small {
            font-size: 0.9rem;
            font-weight: 400;
            -webkit-text-fill-color: #4a5b6e;
            color: #4a5b6e;
            letter-spacing: 0;
        }
        .my-logo a {
            background: none;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }
        .my-logo a:hover {
            text-decoration: none;
        }
        .nav-bar {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            flex-wrap: wrap;
        }
        .nav-bar a {
            font-weight: 600;
            color: #1e2a3a;
            padding: 0.4rem 0.2rem;
            border-bottom: 3px solid transparent;
            transition: 0.2s;
            font-size: 0.95rem;
        }
        .nav-bar a:hover {
            border-bottom-color: #e76f51;
            color: #e76f51;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #1e2a3a;
            padding: 0.2rem 0.4rem;
        }
        .nav-toggle {
            display: none;
        }
        #nav-toggle:checked~.nav-bar {
            display: flex;
            flex-direction: column;
            width: 100%;
            padding: 0.8rem 0;
        }
        #nav-toggle:checked~.nav-bar a {
            width: 100%;
            padding: 0.6rem 0;
            border-bottom: 1px solid #e0e7ef;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.6rem 0 0.2rem 0;
            font-size: 0.9rem;
            color: #5a6b7c;
        }
        .breadcrumb li+li::before {
            content: " ⁄ ";
            padding: 0 0.5rem;
            color: #aab7c7;
        }
        .breadcrumb a {
            color: #0077b6;
        }
        .breadcrumb a:hover {
            color: #023e8a;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            margin: 1.5rem 0;
        }
        .sidebar {
            background: #ffffff;
            border-radius: 16px;
            padding: 1.6rem 1.2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #eaf0f5;
            height: fit-content;
            position: sticky;
            top: 1rem;
        }
        .sidebar h3 {
            margin-top: 0.2rem;
            font-size: 1.2rem;
            border-bottom: 2px solid #e76f51;
            padding-bottom: 0.3rem;
        }
        .sidebar ul {
            list-style: none;
            padding-left: 0;
        }
        .sidebar ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #f0f4f8;
        }
        .sidebar ul li a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar ul li a i {
            width: 1.2rem;
            color: #e76f51;
        }
        .card {
            background: #ffffff;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #eaf0f5;
            margin-bottom: 2rem;
        }
        .featured-img {
            margin: 1.4rem 0;
            border-radius: 14px;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
        }
        .stat-badge {
            display: inline-block;
            background: #e76f51;
            color: #fff;
            font-weight: 700;
            padding: 0.2rem 1rem;
            border-radius: 30px;
            font-size: 0.8rem;
            letter-spacing: 0.3px;
        }
        .insight-box {
            background: #f0f9ff;
            border-left: 5px solid #2a9d8f;
            padding: 1.2rem 1.6rem;
            border-radius: 8px;
            margin: 1.4rem 0;
        }
        .insight-box i {
            color: #2a9d8f;
            margin-right: 0.4rem;
        }
        .highlight {
            background: #fff3e0;
            padding: 0.1rem 0.4rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .emoji-lg {
            font-size: 1.6rem;
            vertical-align: middle;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            font-weight: 600;
            display: block;
            margin-bottom: 0.3rem;
            font-size: 0.95rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #dde5ed;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.2s;
            font-family: inherit;
            background: #fafcfe;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #e76f51;
            outline: none;
            background: #fff;
        }
        .btn {
            background: #e76f51;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn:hover {
            background: #c75b3f;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(231, 111, 81, 0.3);
        }
        .btn-secondary {
            background: #264653;
        }
        .btn-secondary:hover {
            background: #1a323c;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.2rem;
            font-size: 1.8rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            color: #d5dde5;
            transition: 0.15s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f4a261;
        }
        .search-wrap {
            display: flex;
            gap: 0.5rem;
        }
        .search-wrap input {
            flex: 1;
        }
        footer {
            margin-top: 3rem;
            padding: 2rem 0 1.5rem 0;
            border-top: 2px solid #e0e7ef;
            font-size: 0.95rem;
            color: #4a5b6e;
        }
        friend-link {
            display: block;
            background: #ffffff;
            border-radius: 14px;
            padding: 1.4rem 1.8rem;
            border: 1px solid #eaf0f5;
            margin-bottom: 1.4rem;
        }
        friend-link::before {
            content: "🌐 Friendly Links";
            display: block;
            font-weight: 700;
            font-size: 1.1rem;
            color: #264653;
            margin-bottom: 0.6rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.2rem 1rem 0.2rem 0;
            padding: 0.2rem 0.6rem;
            background: #f0f7fc;
            border-radius: 20px;
            font-size: 0.9rem;
            transition: 0.2s;
        }
        friend-link a:hover {
            background: #e76f51;
            color: #fff;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 1rem;
            font-size: 0.85rem;
            color: #7a8b9c;
            border-top: 1px solid #eaf0f5;
        }
        .copyright strong {
            color: #1e2a3a;
        }
        @media (max-width: 1024px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
        }
        @media (max-width: 768px) {
            body {
                padding: 0 12px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .card {
                padding: 1.2rem 1rem;
            }
            .header-top {
                flex-wrap: wrap;
            }
            .hamburger {
                display: inline-block;
            }
            .nav-bar {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 0.2rem;
                padding: 0.4rem 0;
            }
            .nav-bar a {
                width: 100%;
                padding: 0.6rem 0;
                border-bottom: 1px solid #eaf0f5;
            }
            .nav-toggle:checked~.nav-bar {
                display: flex;
            }
            .search-wrap {
                flex-direction: column;
            }
            .breadcrumb {
                font-size: 0.8rem;
                flex-wrap: wrap;
            }
            .star-rating {
                font-size: 1.4rem;
            }
            .sidebar {
                padding: 1rem;
            }
            .my-logo {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 480px) {
            html {
                font-size: 15px;
            }
            h1 {
                font-size: 1.5rem;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
        }
        .last-updated {
            font-size: 0.85rem;
            color: #6a7b8c;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            margin: 0.8rem 0 1.2rem 0;
            padding: 0.3rem 0.8rem;
            background: #ecf3f9;
            border-radius: 30px;
            width: fit-content;
        }
        .table-of-contents {
            background: #f8fafc;
            border-radius: 12px;
            padding: 1.2rem 1.6rem;
            border: 1px solid #e4edf4;
            margin-bottom: 2rem;
        }
        .table-of-contents ol {
            margin-bottom: 0;
            columns: 2;
            column-gap: 2rem;
        }
        .table-of-contents ol li {
            break-inside: avoid;
        }
        @media (max-width: 600px) {
            .table-of-contents ol {
                columns: 1;
            }
        }
        .comment-item {
            padding: 0.8rem 0;
            border-bottom: 1px solid #ecf3f9;
        }
        .comment-item strong {
            color: #264653;
        }
        .comment-item small {
            color: #7a8b9c;
            font-size: 0.8rem;
        }
        .comment-item .stars {
            color: #f4a261;
            font-size: 0.9rem;
        }
        .map-placeholder {
            background: #e8f0f8;
            border-radius: 12px;
            padding: 2rem 1rem;
            text-align: center;
            color: #4a6a7a;
            font-style: italic;
            border: 2px dashed #bcd0df;
            margin: 1rem 0;
        }