*,
        *::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, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
            background: #f4f7fc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0 16px;
            max-width: 1400px;
            margin: 0 auto;
        }
        a {
            color: #0a66c2;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #004182;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0b1e33;
            margin-top: 1.6rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.2rem;
            border-left: 6px solid #f5a623;
            padding-left: 1rem;
        }
        h2 {
            font-size: 1.7rem;
            border-bottom: 3px solid #e2e8f0;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.35rem;
        }
        h4 {
            font-size: 1.1rem;
            color: #2c3e50;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            background: #ffffff;
            border-radius: 24px 24px 0 0;
            padding: 20px 24px 40px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
            margin-bottom: 0;
        }
        @media (max-width: 600px) {
            body {
                padding: 0 8px;
            }
            .container {
                padding: 16px 12px 32px;
            }
            h1 {
                font-size: 1.6rem;
                padding-left: 0.7rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            h3 {
                font-size: 1.1rem;
            }
        }
        .site-header {
            background: linear-gradient(145deg, #0b1e33, #1a3349);
            color: #fff;
            padding: 16px 24px;
            border-radius: 0 0 24px 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            position: relative;
            margin-bottom: 20px;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f5a623, #ffd966);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 8px rgba(245, 166, 35, 0.3);
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
            background: inherit;
            -webkit-text-fill-color: transparent;
        }
        .my-logo a:hover {
            opacity: 0.85;
        }
        .my-logo small {
            font-size: 0.8rem;
            -webkit-text-fill-color: #aac8e0;
            display: block;
            font-weight: 400;
            letter-spacing: 0.3px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 10px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            align-items: center;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-menu li a {
            color: #e2edf7;
            font-weight: 500;
            padding: 6px 6px;
            border-radius: 8px;
            transition: 0.2s;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .nav-menu li a:hover {
            color: #f5a623;
            background: rgba(245, 166, 35, 0.08);
            text-decoration: none;
        }
        .nav-menu li a i {
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: inline-block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 14px;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                padding-top: 14px;
                gap: 4px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                padding: 10px 12px;
                border-radius: 10px;
                width: 100%;
            }
        }
        .breadcrumb-nav {
            font-size: 0.85rem;
            color: #5f6c80;
            padding: 6px 0 14px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 4px 8px;
            align-items: center;
        }
        .breadcrumb-nav a {
            color: #0a66c2;
        }
        .breadcrumb-nav span.sep {
            color: #9aa6b5;
        }
        .search-section {
            background: #f0f4fe;
            border-radius: 18px;
            padding: 20px 24px;
            margin: 24px 0 20px;
            box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.02);
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            max-width: 680px;
            margin: 0 auto;
        }
        .search-form input[type="text"] {
            flex: 1 1 200px;
            padding: 14px 18px;
            border: 2px solid #dce3ed;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: 0.25s;
            background: #fff;
        }
        .search-form input[type="text"]:focus {
            border-color: #f5a623;
            box-shadow: 0 0 0 4px rgba(245, 166, 35, 0.15);
        }
        .search-form button {
            background: #0b1e33;
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: #1a3349;
            transform: scale(1.02);
        }
        .interact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
            margin: 28px 0 18px;
        }
        @media (max-width: 600px) {
            .interact-grid {
                grid-template-columns: 1fr;
            }
        }
        .interact-card {
            background: #f8fafd;
            border-radius: 18px;
            padding: 20px 22px;
            border: 1px solid #e9edf4;
        }
        .interact-card h4 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.1rem;
        }
        .interact-card form {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 8px;
        }
        .interact-card input,
        .interact-card textarea,
        .interact-card select {
            padding: 10px 14px;
            border: 2px solid #dce3ed;
            border-radius: 12px;
            font-size: 0.95rem;
            outline: none;
            transition: 0.2s;
            background: #fff;
            font-family: inherit;
        }
        .interact-card input:focus,
        .interact-card textarea:focus,
        .interact-card select:focus {
            border-color: #f5a623;
            box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.1);
        }
        .interact-card textarea {
            min-height: 72px;
            resize: vertical;
        }
        .interact-card .btn-submit {
            background: #f5a623;
            color: #0b1e33;
            border: none;
            padding: 10px 20px;
            border-radius: 40px;
            font-weight: 700;
            cursor: pointer;
            transition: 0.2s;
            font-size: 0.95rem;
            align-self: flex-start;
        }
        .interact-card .btn-submit:hover {
            background: #e0941a;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            font-size: 1.6rem;
            color: #d0d7e2;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            transition: color 0.15s;
            color: #d0d7e2;
        }
        .star-rating input:checked~label,
        .star-rating label:hover,
        .star-rating label:hover~label {
            color: #f5a623;
        }
        .featured-img-wrap {
            margin: 24px 0 32px;
            border-radius: 18px;
            overflow: hidden;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
        }
        .featured-img-wrap img {
            width: 100%;
            max-height: 440px;
            object-fit: cover;
        }
        .content-section {
            margin: 32px 0;
        }
        .content-section .highlight-box {
            background: #fef9ef;
            border-left: 6px solid #f5a623;
            padding: 18px 22px;
            border-radius: 12px;
            margin: 20px 0;
        }
        .content-section .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .insight-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 16px;
            margin: 20px 0;
        }
        .insight-card {
            background: #f4f7fc;
            padding: 18px 16px;
            border-radius: 16px;
            border: 1px solid #e2e8f0;
            transition: 0.2s;
        }
        .insight-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.04);
        }
        .insight-card i {
            color: #f5a623;
            font-size: 1.4rem;
            margin-bottom: 6px;
        }
        .insight-card h4 {
            margin: 6px 0 4px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        .table-wrap table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            min-width: 400px;
        }
        .table-wrap th,
        .table-wrap td {
            padding: 12px 14px;
            text-align: left;
            border-bottom: 1px solid #e2e8f0;
        }
        .table-wrap th {
            background: #0b1e33;
            color: #fff;
            font-weight: 600;
        }
        .table-wrap tr:nth-child(even) {
            background: #f8fafd;
        }
        .table-wrap tr:hover td {
            background: #fef9ef;
        }
        .site-footer {
            background: #0b1e33;
            color: #cbd5e1;
            padding: 32px 24px 24px;
            border-radius: 24px 24px 0 0;
            margin-top: 30px;
        }
        .site-footer a {
            color: #aac8e0;
        }
        .site-footer a:hover {
            color: #f5a623;
        }
        .footer-flex {
            display: flex;
            flex-wrap: wrap;
            gap: 30px 40px;
            justify-content: space-between;
        }
        .footer-col {
            flex: 1 1 160px;
        }
        .footer-col h5 {
            color: #f5a623;
            font-size: 1rem;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul li a {
            font-size: 0.9rem;
        }
        friend-link {
            display: block;
            margin-top: 18px;
            padding-top: 18px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.9rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 16px;
            margin-bottom: 4px;
        }
        .copyright {
            text-align: center;
            margin-top: 28px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.85rem;
            color: #8f9eb2;
        }
        .last-updated {
            display: inline-block;
            background: rgba(245, 166, 35, 0.12);
            color: #f5a623;
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 500;
            margin-top: 6px;
        }
        .tag {
            display: inline-block;
            background: #e9edf4;
            padding: 2px 12px;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #1e293b;
        }
        .tag-gold {
            background: #fef3d6;
            color: #a76e0a;
        }
        .tag-blue {
            background: #dbeafe;
            color: #1e4b8a;
        }
        .emoji-big {
            font-size: 1.8rem;
            display: inline-block;
            margin-right: 6px;
        }
        hr.divider {
            border: none;
            border-top: 2px dashed #dce3ed;
            margin: 36px 0;
        }
        .back-top {
            position: fixed;
            bottom: 28px;
            right: 28px;
            background: #0b1e33;
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: grid;
            place-items: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            transition: 0.2s;
            z-index: 99;
            border: none;
            cursor: pointer;
        }
        .back-top:hover {
            background: #f5a623;
            color: #0b1e33;
            transform: translateY(-3px);
        }
        @media (max-width: 480px) {
            .back-top {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
                bottom: 16px;
                right: 16px;
            }
        }
        .schema-hidden {
            display: none;
        }