*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #f4f7fa;
            color: #1c2e3f;
            line-height: 1.8;
            padding: 0;
            margin: 0;
        }
        a {
            color: #0057a3;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: #e8772e;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            margin-top: 1.2em;
            margin-bottom: 0.6em;
            color: #0f1e2e;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.4em;
        }
        h2 {
            font-size: 1.9rem;
            border-left: 5px solid #e8772e;
            padding-left: 18px;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.25rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.2em;
        }
        ul,
        ol {
            margin-bottom: 1.2em;
            padding-left: 2rem;
        }
        li {
            margin-bottom: 0.4em;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .badge {
            display: inline-block;
            background: #e8772e;
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 30px;
            letter-spacing: 0.5px;
        }
        .site-header {
            background: linear-gradient(135deg, #0b1a2a 0%, #1a3b5c 100%);
            color: #fff;
            padding: 0 0 4px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 14px 20px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            padding: 4px 18px;
            border-radius: 40px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: 0.25s;
            display: inline-block;
        }
        .my-logo:hover {
            background: rgba(255, 255, 255, 0.14);
            color: #ffb347;
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.55rem;
            font-weight: 400;
            opacity: 0.7;
            display: block;
            letter-spacing: 1px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 12px;
            border-radius: 8px;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .primary-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px 18px;
        }
        .primary-nav a {
            color: #e8edf2;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 4px;
            border-bottom: 2px solid transparent;
            transition: 0.2s;
        }
        .primary-nav a:hover {
            color: #ffb347;
            border-bottom-color: #ffb347;
            text-decoration: none;
        }
        .primary-nav .search-btn-nav {
            background: rgba(255, 255, 255, 0.08);
            padding: 6px 16px;
            border-radius: 30px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .primary-nav .search-btn-nav:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: #ffb347;
        }
        .breadcrumb-wrap {
            background: #e9eef3;
            padding: 8px 20px;
            font-size: 0.9rem;
            border-bottom: 1px solid #d0d9e2;
        }
        .breadcrumb-wrap .container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb-wrap a {
            color: #1c3f5e;
        }
        .breadcrumb-wrap a:hover {
            color: #e8772e;
        }
        .breadcrumb-wrap span {
            color: #4a627a;
        }
        .breadcrumb-wrap .sep {
            color: #8a9bb0;
            margin: 0 4px;
        }
        .hero {
            background: linear-gradient(145deg, #0d1f30, #1c3f5e);
            color: #fff;
            padding: 40px 20px 36px;
            text-align: center;
            border-bottom: 4px solid #e8772e;
        }
        .hero h1 {
            color: #fff;
            font-size: 2.6rem;
            margin-top: 0;
            margin-bottom: 10px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 780px;
            margin: 8px auto 0;
            opacity: 0.9;
        }
        .hero .badge-hero {
            display: inline-block;
            background: #e8772e;
            padding: 4px 24px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 0.8px;
        }
        .search-section {
            background: #fff;
            padding: 30px 20px;
            border-bottom: 1px solid #dce3ea;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            max-width: 720px;
            margin: 0 auto;
            align-items: center;
        }
        .search-form input[type="text"] {
            flex: 1 1 260px;
            padding: 14px 20px;
            border: 2px solid #cbd5e0;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: 0.25s;
            background: #f9fbfd;
        }
        .search-form input[type="text"]:focus {
            border-color: #0057a3;
            box-shadow: 0 0 0 4px rgba(0, 87, 163, 0.12);
        }
        .search-form button {
            padding: 14px 36px;
            background: #0057a3;
            color: #fff;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: 0.25s;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-form button:hover {
            background: #003f7a;
            transform: scale(1.02);
        }
        .main-content {
            background: #fff;
            padding: 40px 20px 50px;
        }
        .main-content .container {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .content-body {
            min-width: 0;
        }
        .content-body .featured-image {
            margin: 20px 0 30px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }
        .content-body .featured-image img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .content-body .last-updated {
            font-size: 0.85rem;
            color: #5f7a94;
            display: block;
            margin-bottom: 20px;
            border-bottom: 1px dashed #d0d9e2;
            padding-bottom: 12px;
        }
        .content-body .last-updated i {
            margin-right: 6px;
        }
        .sidebar {
            background: #f5f8fc;
            border-radius: 20px;
            padding: 24px 22px;
            border: 1px solid #dce5ee;
            align-self: start;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 {
            font-size: 1.3rem;
            margin-top: 0;
            border-bottom: 2px solid #e8772e;
            padding-bottom: 8px;
        }
        .sidebar ul {
            list-style: none;
            padding-left: 0;
        }
        .sidebar ul li {
            padding: 6px 0;
            border-bottom: 1px solid #e2e9f0;
        }
        .sidebar ul li a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar ul li a i {
            color: #e8772e;
            width: 18px;
            text-align: center;
        }
        .rating-area,
        .comment-area {
            background: #f5f8fc;
            border-radius: 20px;
            padding: 24px 22px;
            margin-top: 36px;
            border: 1px solid #dce5ee;
        }
        .rating-area h3,
        .comment-area h3 {
            margin-top: 0;
            border-bottom: 2px solid #e8772e;
            padding-bottom: 8px;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 4px;
            font-size: 2rem;
            margin: 12px 0 16px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #cbd5e0;
            cursor: pointer;
            transition: 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f5b342;
        }
        .rating-area form,
        .comment-area form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .rating-area form input,
        .comment-area form input,
        .comment-area form textarea {
            padding: 12px 16px;
            border: 2px solid #cbd5e0;
            border-radius: 12px;
            font-size: 1rem;
            outline: none;
            transition: 0.2s;
            background: #fff;
            font-family: inherit;
        }
        .rating-area form input:focus,
        .comment-area form input:focus,
        .comment-area form textarea:focus {
            border-color: #0057a3;
            box-shadow: 0 0 0 4px rgba(0, 87, 163, 0.08);
        }
        .comment-area form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .rating-area form button,
        .comment-area form button {
            align-self: flex-start;
            padding: 12px 34px;
            background: #0057a3;
            color: #fff;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.25s;
        }
        .rating-area form button:hover,
        .comment-area form button:hover {
            background: #003f7a;
            transform: scale(1.02);
        }
        .site-footer {
            background: #0b1a2a;
            color: #cbd5e0;
            padding: 40px 20px 20px;
            border-top: 4px solid #e8772e;
        }
        .site-footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 30px;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-top: 0;
            margin-bottom: 12px;
        }
        .site-footer a {
            color: #a0b8cf;
        }
        .site-footer a:hover {
            color: #ffb347;
        }
        .site-footer .footer-links {
            list-style: none;
            padding-left: 0;
        }
        .site-footer .footer-links li {
            padding: 4px 0;
        }
        .site-footer .copy {
            grid-column: 1 / -1;
            border-top: 1px solid #1f3a52;
            padding-top: 18px;
            margin-top: 10px;
            text-align: center;
            font-size: 0.9rem;
            color: #8aa1b9;
        }
        .site-footer .copy strong {
            color: #d4e0ea;
        }
        friend-link {
            display: block;
            margin-top: 8px;
            font-size: 0.95rem;
        }
        friend-link a {
            margin: 0 6px 0 0;
            display: inline-block;
        }
        @media (max-width: 992px) {
            .main-content .container {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                margin-top: 30px;
            }
            .site-footer .container {
                grid-template-columns: 1fr 1fr;
            }
            .hero h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .primary-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0f2538;
                padding: 16px 20px;
                border-radius: 0 0 16px 16px;
                margin-top: 8px;
                gap: 10px;
            }
            .primary-nav.open {
                display: flex;
            }
            .primary-nav a {
                padding: 8px 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .header-inner {
                align-items: center;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .site-footer .container {
                grid-template-columns: 1fr;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .breadcrumb-wrap {
                font-size: 0.8rem;
            }
            .star-rating {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .hero {
                padding: 28px 12px 24px;
            }
            .hero h1 {
                font-size: 1.4rem;
            }
            .content-body .featured-image {
                margin: 12px 0 20px;
            }
            .sidebar {
                padding: 16px;
            }
            .rating-area,
            .comment-area {
                padding: 16px;
            }
        }
        .anchor-offset {
            scroll-margin-top: 90px;
        }
        .highlight-box {
            background: #f0f6fe;
            border-left: 4px solid #0057a3;
            padding: 16px 22px;
            border-radius: 0 12px 12px 0;
            margin: 20px 0;
        }
        .highlight-box strong {
            color: #003f7a;
        }
        .insider-tip {
            background: #fef7ed;
            border-left: 4px solid #e8772e;
            padding: 16px 22px;
            border-radius: 0 12px 12px 0;
            margin: 20px 0;
        }
        .insider-tip strong {
            color: #b85c1a;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 20px 0;
        }
        .table-wrap table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        .table-wrap th,
        .table-wrap td {
            padding: 10px 14px;
            border: 1px solid #dce5ee;
            text-align: left;
        }
        .table-wrap th {
            background: #e9eff6;
            font-weight: 600;
        }
        .table-wrap tr:nth-child(even) {
            background: #f8fafc;
        }