*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
            background: #f4f7fa;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #0d6eaa;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #084a78;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #0b1a2a;
            margin-top: 1.8rem;
            margin-bottom: 0.75rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.5rem;
            border-bottom: 4px solid #f5a623;
            display: inline-block;
            padding-bottom: 0.3rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid #f5a623;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.4rem;
            color: #1e3a5a;
        }
        h4 {
            font-size: 1.15rem;
            color: #2a4a6a;
        }
        p {
            margin-bottom: 1.2rem;
        }
        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(145deg, #0b1a2a 0%, #1a2f44 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #f5a623;
            letter-spacing: -0.5px;
            text-transform: uppercase;
            background: rgba(255, 255, 255, 0.05);
            padding: 0.2rem 1.2rem;
            border-radius: 40px;
            border: 2px solid rgba(245, 166, 35, 0.3);
            transition: all 0.3s ease;
            display: inline-block;
        }
        .my-logo:hover {
            background: rgba(245, 166, 35, 0.15);
            border-color: #f5a623;
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo span {
            font-weight: 300;
            color: #b0c7dd;
            font-size: 0.8rem;
            letter-spacing: 2px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.3rem 0.8rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .primary-nav {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .primary-nav a {
            color: #dce6f0;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .primary-nav a:hover,
        .primary-nav a:focus {
            background: rgba(245, 166, 35, 0.15);
            color: #f5a623;
            text-decoration: none;
        }
        .primary-nav a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: #e9edf2;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d0d8e0;
        }
        .breadcrumb ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #7a8a9a;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #0d6eaa;
        }
        .breadcrumb .current {
            color: #4a5a6a;
            font-weight: 500;
        }
        .main-content {
            padding: 2rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
        }
        .content-body {
            background: #fff;
            border-radius: 20px;
            padding: 2.2rem 2.5rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
        }
        .content-body .post-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            font-size: 0.85rem;
            color: #5a6a7a;
            margin-bottom: 1.2rem;
            border-bottom: 1px solid #eef2f6;
            padding-bottom: 0.8rem;
        }
        .content-body .post-meta i {
            margin-right: 5px;
            color: #f5a623;
        }
        .featured-img-wrapper {
            margin: 1.8rem 0 2.2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
        }
        .featured-img-wrapper img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .featured-img-wrapper figcaption {
            background: #f0f4f9;
            padding: 0.6rem 1.2rem;
            font-size: 0.8rem;
            color: #4a5a6a;
            text-align: center;
            font-style: italic;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.8rem;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem 1.6rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-top: 0;
            margin-bottom: 1rem;
            border-bottom: 2px solid #f0f4f9;
            padding-bottom: 0.5rem;
            color: #0b1a2a;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card li {
            padding: 0.5rem 0;
            border-bottom: 1px solid #f0f4f9;
        }
        .sidebar-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card li a {
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .sidebar-card li a i {
            color: #f5a623;
            font-size: 0.8rem;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            margin-top: 0.3rem;
        }
        .search-form input[type="text"] {
            flex: 1;
            padding: 0.65rem 1rem;
            border: 2px solid #dce2ea;
            border-radius: 40px;
            font-size: 0.9rem;
            outline: none;
            transition: border 0.3s;
            background: #f8fafc;
        }
        .search-form input[type="text"]:focus {
            border-color: #f5a623;
        }
        .search-form button {
            background: #f5a623;
            border: none;
            color: #0b1a2a;
            padding: 0.6rem 1.2rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            font-size: 0.9rem;
        }
        .search-form button:hover {
            background: #e09512;
            transform: scale(1.02);
        }
        .comment-section,
        .rating-section {
            margin-top: 2.5rem;
            padding-top: 2rem;
            border-top: 2px solid #eef2f6;
        }
        .comment-section h3,
        .rating-section h3 {
            margin-top: 0;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 2px solid #dce2ea;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border 0.3s;
            background: #f8fafc;
            margin-bottom: 0.8rem;
        }
        .comment-form textarea:focus,
        .comment-form input:focus {
            border-color: #f5a623;
            outline: none;
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-form .form-row {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .comment-form .form-row input {
            flex: 1;
            min-width: 180px;
        }
        .comment-form button,
        .rating-form button {
            background: #0b1a2a;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            font-size: 0.95rem;
        }
        .comment-form button:hover,
        .rating-form button:hover {
            background: #1a2f44;
            transform: scale(1.02);
        }
        .rating-form {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        .rating-form select {
            padding: 0.6rem 1.2rem;
            border: 2px solid #dce2ea;
            border-radius: 40px;
            font-size: 0.95rem;
            background: #f8fafc;
            cursor: pointer;
        }
        .star-display {
            color: #f5a623;
            font-size: 1.3rem;
            letter-spacing: 2px;
        }
        friend-link {
            display: block;
            padding: 1.5rem 0;
        }
        friend-link ul {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1.5rem;
            list-style: none;
            padding: 0;
            margin: 0.6rem 0 0;
        }
        friend-link a {
            font-weight: 500;
            padding: 0.3rem 0.8rem;
            background: rgba(245, 166, 35, 0.08);
            border-radius: 30px;
            transition: background 0.25s;
        }
        friend-link a:hover {
            background: rgba(245, 166, 35, 0.2);
            text-decoration: none;
        }
        .site-footer {
            background: #0b1a2a;
            color: #b0c7dd;
            padding: 2rem 0 1.5rem;
            margin-top: 2rem;
        }
        .site-footer .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }
        .site-footer .copyright {
            font-size: 0.85rem;
        }
        .site-footer .copyright strong {
            color: #f5a623;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .content-body {
                padding: 1.8rem 1.5rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .primary-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                background: rgba(11, 26, 42, 0.98);
                padding: 1rem 0.5rem;
                border-radius: 16px;
                margin-top: 0.5rem;
                gap: 0.3rem;
            }
            .primary-nav.open {
                display: flex;
            }
            .primary-nav a {
                padding: 0.7rem 1.2rem;
                width: 100%;
                text-align: center;
            }
            .header-inner {
                gap: 0.4rem;
            }
            .my-logo {
                font-size: 1.4rem;
                padding: 0.2rem 1rem;
            }
            .content-body {
                padding: 1.2rem 1rem;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.3rem;
                padding-left: 0.6rem;
            }
            .breadcrumb ul {
                font-size: 0.75rem;
            }
            .sidebar-card {
                padding: 1rem 1.2rem;
            }
            .comment-form .form-row {
                flex-direction: column;
            }
            .comment-form .form-row input {
                min-width: unset;
            }
            .rating-form {
                flex-direction: column;
                align-items: stretch;
            }
            .site-footer .footer-inner {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            .content-body {
                padding: 1rem 0.8rem;
            }
            h1 {
                font-size: 1.4rem;
            }
            h2 {
                font-size: 1.15rem;
            }
            h3 {
                font-size: 1.05rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
        }
        .text-highlight {
            background: linear-gradient(to right, rgba(245, 166, 35, 0.15), rgba(245, 166, 35, 0.05));
            padding: 0.1rem 0.4rem;
            border-radius: 6px;
            font-weight: 600;
        }
        .badge {
            display: inline-block;
            background: #f5a623;
            color: #0b1a2a;
            padding: 0.15rem 0.8rem;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .emoji-lg {
            font-size: 1.4rem;
        }
        .block-quote {
            border-left: 4px solid #f5a623;
            background: #f8fafc;
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #2a3a4a;
        }
        .block-quote cite {
            display: block;
            margin-top: 0.5rem;
            font-style: normal;
            font-weight: 600;
            color: #0b1a2a;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        table th,
        table td {
            padding: 0.7rem 1rem;
            border: 1px solid #dce2ea;
            text-align: left;
        }
        table th {
            background: #0b1a2a;
            color: #fff;
            font-weight: 600;
        }
        table tr:nth-child(even) {
            background: #f8fafc;
        }
        .tip-box {
            background: #e8f4fd;
            border-radius: 16px;
            padding: 1.2rem 1.5rem;
            border-left: 5px solid #0d6eaa;
            margin: 1.5rem 0;
        }
        .tip-box strong {
            color: #0b1a2a;
        }
        .pro-tip {
            background: #fef7e9;
            border-left-color: #f5a623;
        }