*,
        *::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', Arial, sans-serif;
            background: #f5f7fa;
            color: #1a1a2e;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #0057b3;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus {
            color: #ff6b00;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            color: #0a0a23;
            font-weight: 700;
        }
        h1 {
            font-size: 2.2rem;
            margin-bottom: 1.2rem;
        }
        h2 {
            font-size: 1.7rem;
            margin-top: 2.8rem;
            margin-bottom: 0.9rem;
            border-bottom: 3px solid #ff6b00;
            padding-bottom: 0.4rem;
            display: inline-block;
        }
        h3 {
            font-size: 1.3rem;
            margin-top: 2rem;
            margin-bottom: 0.6rem;
        }
        h4 {
            font-size: 1.05rem;
            margin-top: 1.4rem;
            margin-bottom: 0.4rem;
            font-weight: 600;
            color: #2d2d44;
        }
        p {
            margin-bottom: 1.1rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: linear-gradient(135deg, #0a0a23 0%, #1a1a3e 50%, #0d0d30 100%);
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            text-decoration: none;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            transition: opacity 0.2s;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
            color: #fff;
        }
        .my-logo span {
            color: #ff6b00;
        }
        .my-logo i {
            font-size: 1.6rem;
            color: #ffd700;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 1.6rem;
            padding: 0.4rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e0e0f0;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            font-size: 0.92rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background: rgba(255, 107, 0, 0.25);
            color: #ffd700;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 0.3rem;
            font-size: 0.85rem;
        }
        .breadcrumb {
            background: rgba(255, 255, 255, 0.06);
            padding: 0.5rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            gap: 0.3rem 0.6rem;
            color: #aaa;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #777;
        }
        .breadcrumb a {
            color: #99c9ff;
        }
        .breadcrumb a:hover {
            color: #ffd700;
        }
        .breadcrumb .current {
            color: #ffd700;
            font-weight: 500;
        }
        .main-content {
            padding: 2.2rem 0 3rem;
        }
        .search-section {
            background: linear-gradient(135deg, #eef2ff, #e0e7ff);
            border-radius: 18px;
            padding: 1.8rem 2rem;
            margin-bottom: 2.5rem;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.05);
        }
        .search-section form {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
            max-width: 680px;
            margin: 0 auto;
        }
        .search-section input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 0.9rem 1.2rem;
            border: 2px solid #d0d5e8;
            border-radius: 12px;
            font-size: 1rem;
            background: #fff;
            transition: border-color 0.2s;
        }
        .search-section input[type="text"]:focus {
            outline: none;
            border-color: #ff6b00;
            box-shadow: 0 0 0 4px rgba(255, 107, 0, 0.12);
        }
        .search-section button {
            background: #ff6b00;
            color: #fff;
            border: none;
            padding: 0.9rem 1.8rem;
            border-radius: 12px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-section button:hover {
            background: #e55d00;
            transform: scale(1.02);
        }
        .search-section button i {
            font-size: 1.1rem;
        }
        .article-wrapper {
            background: #fff;
            border-radius: 20px;
            padding: 2.5rem 2.8rem;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
            margin-bottom: 2.5rem;
        }
        .article-wrapper .meta-top {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.8rem;
            font-size: 0.9rem;
            color: #666;
            margin-bottom: 1.2rem;
            border-bottom: 1px solid #eee;
            padding-bottom: 0.8rem;
        }
        .article-wrapper .meta-top i {
            margin-right: 0.3rem;
            color: #ff6b00;
        }
        .last-updated {
            font-weight: 600;
            color: #1a1a3e;
        }
        .featured-image {
            border-radius: 16px;
            overflow: hidden;
            margin: 1.8rem 0 2.2rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            background: #f0f2f6;
        }
        .featured-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 1200/630;
        }
        .featured-image figcaption {
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
            color: #555;
            background: #f8f9fc;
            border-top: 1px solid #e8ecf2;
        }
        .content-highlight {
            background: #f0f4ff;
            border-left: 5px solid #ff6b00;
            padding: 1.2rem 1.8rem;
            border-radius: 0 12px 12px 0;
            margin: 1.8rem 0;
        }
        .content-highlight p:last-child {
            margin-bottom: 0;
        }
        .tip-box {
            background: #fef9ef;
            border: 1px solid #f7e8c8;
            border-radius: 14px;
            padding: 1.2rem 1.6rem;
            margin: 1.6rem 0;
            display: flex;
            gap: 1rem;
            align-items: flex-start;
        }
        .tip-box i {
            font-size: 1.8rem;
            color: #ffa726;
            flex-shrink: 0;
            margin-top: 0.1rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.6rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        table th {
            background: #0a0a23;
            color: #fff;
            padding: 0.7rem 1rem;
            text-align: left;
            font-weight: 600;
        }
        table td {
            padding: 0.7rem 1rem;
            border-bottom: 1px solid #e8ecf2;
        }
        table tr:nth-child(even) {
            background: #f8f9fc;
        }
        table tr:hover {
            background: #eef2ff;
        }
        .rating-section {
            background: #f8f9fc;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin: 2.2rem 0;
            border: 1px solid #e8ecf2;
        }
        .rating-section h3 {
            margin-top: 0;
        }
        .star-rating {
            display: flex;
            gap: 0.4rem;
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            direction: rtl;
            justify-content: flex-end;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            cursor: pointer;
            transition: color 0.15s;
            color: #ddd;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #ffb300;
        }
        .rating-form button {
            background: #0a0a23;
            color: #fff;
            border: none;
            padding: 0.7rem 1.8rem;
            border-radius: 10px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            margin-top: 0.6rem;
        }
        .rating-form button:hover {
            background: #ff6b00;
        }
        .comment-section {
            background: #f8f9fc;
            border-radius: 16px;
            padding: 1.8rem 2rem;
            margin: 2.2rem 0;
            border: 1px solid #e8ecf2;
        }
        .comment-section h3 {
            margin-top: 0;
        }
        .comment-section textarea {
            width: 100%;
            padding: 0.9rem 1.2rem;
            border: 2px solid #d0d5e8;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            resize: vertical;
            min-height: 100px;
            transition: border-color 0.2s;
        }
        .comment-section textarea:focus {
            outline: none;
            border-color: #ff6b00;
            box-shadow: 0 0 0 4px rgba(255, 107, 0, 0.08);
        }
        .comment-section input[type="text"] {
            width: 100%;
            padding: 0.8rem 1.2rem;
            border: 2px solid #d0d5e8;
            border-radius: 12px;
            font-size: 1rem;
            margin-bottom: 0.8rem;
            transition: border-color 0.2s;
        }
        .comment-section input[type="text"]:focus {
            outline: none;
            border-color: #ff6b00;
            box-shadow: 0 0 0 4px rgba(255, 107, 0, 0.08);
        }
        .comment-section button {
            background: #0a0a23;
            color: #fff;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 10px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .comment-section button:hover {
            background: #ff6b00;
        }
        friend-link {
            display: block;
            background: #fff;
            border-radius: 16px;
            padding: 1.6rem 2rem;
            margin: 2rem 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #e8ecf2;
        }
        friend-link::before {
            content: "🔗 Friendly Links";
            display: block;
            font-size: 1.2rem;
            font-weight: 700;
            color: #0a0a23;
            margin-bottom: 1rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.3rem 1rem 0.3rem 0;
            padding: 0.3rem 0.8rem;
            background: #f0f4ff;
            border-radius: 6px;
            font-size: 0.92rem;
            border: 1px solid #dde3f0;
            transition: background 0.2s, border-color 0.2s;
        }
        friend-link a:hover {
            background: #ff6b00;
            color: #fff;
            border-color: #ff6b00;
            text-decoration: none;
        }
        .site-footer {
            background: #0a0a23;
            color: #b0b8d0;
            padding: 2.2rem 0 1.5rem;
            font-size: 0.9rem;
            margin-top: 1.5rem;
        }
        .site-footer .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 1.5rem;
        }
        .site-footer .footer-copy {
            width: 100%;
            text-align: center;
            padding-top: 1.2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 0.8rem;
            font-size: 0.85rem;
        }
        .site-footer a {
            color: #99c9ff;
        }
        .site-footer a:hover {
            color: #ffd700;
        }
        @media (max-width: 900px) {
            .article-wrapper {
                padding: 1.8rem 1.5rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .header-inner {
                gap: 0.5rem;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: rgba(10, 10, 35, 0.98);
                padding: 0.8rem 0.4rem;
                border-radius: 12px;
                margin-top: 0.4rem;
                gap: 0.1rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.7rem 1rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .search-section {
                padding: 1.2rem 1.2rem;
            }
            .search-section form {
                flex-direction: column;
            }
            .search-section button {
                justify-content: center;
            }
            .article-wrapper {
                padding: 1.2rem 1rem;
                border-radius: 14px;
            }
            .rating-section,
            .comment-section {
                padding: 1.2rem 1rem;
            }
            .star-rating {
                font-size: 1.6rem;
                justify-content: center;
            }
            .breadcrumb ol {
                font-size: 0.78rem;
                gap: 0.2rem 0.4rem;
            }
            .site-footer .footer-inner {
                flex-direction: column;
                text-align: center;
            }
            .table-wrap {
                font-size: 0.85rem;
            }
            h1 {
                font-size: 1.5rem;
            }
            h2 {
                font-size: 1.25rem;
            }
            h3 {
                font-size: 1.1rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.8rem;
            }
            .article-wrapper {
                padding: 1rem 0.8rem;
            }
            .featured-image {
                border-radius: 10px;
            }
            .tip-box {
                flex-direction: column;
                gap: 0.5rem;
            }
            .rating-section,
            .comment-section {
                padding: 1rem 0.8rem;
            }
        }
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 0.8rem;
        }
        .mb-1 {
            margin-bottom: 0.8rem;
        }
        .fw-bold {
            font-weight: 700;
        }
        .color-accent {
            color: #ff6b00;
        }
        .small {
            font-size: 0.85rem;
            color: #777;
        }
        .article-wrapper p,
        .article-wrapper li {
            max-width: 75ch;
        }
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #f0f2f6;
        }
        ::-webkit-scrollbar-thumb {
            background: #b0b8d0;
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #8a94b0;
        }