*,
        *::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, sans-serif;
            background: #fef9f0;
            color: #1e2a3a;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: #c75000;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #8b2f00;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 14px;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #1a2a3a;
            margin-top: 1.8rem;
            margin-bottom: 0.75rem;
        }
        h1 {
            font-size: 2.6rem;
            margin-top: 0.4rem;
        }
        h2 {
            font-size: 2.0rem;
            border-left: 6px solid #f5a623;
            padding-left: 18px;
        }
        h3 {
            font-size: 1.5rem;
            color: #2c3e50;
        }
        h4 {
            font-size: 1.2rem;
            color: #3d5166;
        }
        p {
            margin-bottom: 1.2rem;
        }
        ul,
        ol {
            margin-bottom: 1.4rem;
            padding-left: 1.8rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        b,
        strong {
            color: #1e2a3a;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            background: linear-gradient(145deg, #1a2a3a 0%, #0f1a26 100%);
            color: #fff;
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #f5a623;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: transform 0.2s;
        }
        .my-logo:hover {
            transform: scale(1.02);
            color: #ffb84d;
            text-decoration: none;
        }
        .my-logo i {
            font-size: 2.2rem;
            color: #ffcd7a;
        }
        .my-logo span {
            font-size: 0.9rem;
            font-weight: 400;
            color: #b0c4d8;
            display: block;
            letter-spacing: 0.3px;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-menu a {
            color: #e8edf3;
            padding: 8px 16px;
            border-radius: 40px;
            font-weight: 500;
            font-size: 0.92rem;
            transition: background 0.3s, color 0.3s;
            display: block;
        }
        .nav-menu a:hover {
            background: rgba(245, 166, 35, 0.18);
            color: #f5a623;
            text-decoration: none;
        }
        .nav-menu a i {
            margin-right: 6px;
            font-size: 0.85rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid #f5a623;
            color: #f5a623;
            font-size: 1.6rem;
            padding: 6px 14px;
            border-radius: 10px;
            cursor: pointer;
            transition: background 0.3s;
        }
        .hamburger:hover {
            background: rgba(245, 166, 35, 0.15);
        }
        .breadcrumb {
            background: #f5ede1;
            padding: 10px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #e6d9c8;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            gap: 6px 14px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li {
            margin: 0;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb li+li::before {
            content: "›";
            color: #b8956e;
            font-weight: 700;
            font-size: 1.2rem;
            margin-right: 6px;
        }
        .breadcrumb a {
            color: #7a5a3a;
        }
        .breadcrumb .current {
            color: #2c3e50;
            font-weight: 600;
        }
        .main-content {
            padding: 40px 0 60px;
            background: #fff;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 48px;
        }
        .article-body {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 120px;
            align-self: start;
        }
        .widget {
            background: #f8f4ee;
            border-radius: 18px;
            padding: 24px 20px;
            margin-bottom: 28px;
            border: 1px solid #e8ddd0;
            transition: box-shadow 0.3s;
        }
        .widget:hover {
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.05);
        }
        .widget h3 {
            font-size: 1.2rem;
            margin-top: 0;
            margin-bottom: 14px;
            color: #1a2a3a;
            border-bottom: 3px solid #f5a623;
            padding-bottom: 8px;
            display: inline-block;
        }
        .widget ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .widget ul li {
            padding: 6px 0;
            border-bottom: 1px solid #e8ddd0;
        }
        .widget ul li:last-child {
            border-bottom: none;
        }
        .widget ul li a {
            color: #2c3e50;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .widget ul li a:hover {
            color: #c75000;
        }
        .widget ul li a i {
            color: #f5a623;
            width: 18px;
            text-align: center;
        }
        .search-form {
            display: flex;
            border: 2px solid #ddd2c2;
            border-radius: 60px;
            overflow: hidden;
            background: #fff;
            transition: border-color 0.3s;
        }
        .search-form:focus-within {
            border-color: #f5a623;
        }
        .search-form input {
            flex: 1;
            border: none;
            padding: 12px 18px;
            font-size: 0.95rem;
            outline: none;
            background: transparent;
            min-width: 0;
        }
        .search-form button {
            background: #f5a623;
            color: #1a2a3a;
            border: none;
            padding: 0 22px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #e0941a;
        }
        .rating-stars {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 6px;
            font-size: 1.8rem;
            margin: 12px 0 8px;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            cursor: pointer;
            color: #ddd2c2;
            transition: color 0.2s, transform 0.15s;
        }
        .rating-stars label:hover,
        .rating-stars label:hover~label,
        .rating-stars input:checked~label {
            color: #f5a623;
            transform: scale(1.08);
        }
        .rating-stars label i {
            pointer-events: none;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #ddd2c2;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            background: #fff;
            transition: border-color 0.3s;
            margin-bottom: 12px;
        }
        .comment-form textarea:focus,
        .comment-form input:focus {
            border-color: #f5a623;
            outline: none;
        }
        .comment-form textarea {
            min-height: 110px;
            resize: vertical;
        }
        .btn {
            background: #f5a623;
            color: #1a2a3a;
            border: none;
            padding: 12px 32px;
            border-radius: 60px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn:hover {
            background: #e0941a;
            transform: translateY(-2px);
        }
        .btn-secondary {
            background: #2c3e50;
            color: #fff;
        }
        .btn-secondary:hover {
            background: #1a2a3a;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
            margin: 30px 0;
        }
        .feature-card {
            background: #f8f4ee;
            border-radius: 18px;
            padding: 28px 22px;
            text-align: center;
            border: 1px solid #e8ddd0;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 14px 34px rgba(0, 0, 0, 0.07);
        }
        .feature-card i {
            font-size: 2.6rem;
            color: #f5a623;
            margin-bottom: 14px;
        }
        .feature-card h4 {
            margin: 0 0 8px;
            font-size: 1.2rem;
        }
        .feature-card p {
            font-size: 0.95rem;
            color: #4a5a6a;
            margin: 0;
        }
        .img-wrapper {
            margin: 32px 0;
            border-radius: 18px;
            overflow: hidden;
            background: #f0e8dc;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
        }
        .img-wrapper figcaption {
            padding: 14px 20px;
            font-size: 0.9rem;
            color: #5a6a7a;
            background: #f8f4ee;
            font-style: italic;
            border-top: 1px solid #e8ddd0;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 28px 0;
            border-radius: 14px;
            border: 1px solid #e8ddd0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 12px 18px;
            text-align: left;
            border-bottom: 1px solid #e8ddd0;
        }
        th {
            background: #1a2a3a;
            color: #f5a623;
            font-weight: 700;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:nth-child(even) td {
            background: #f8f4ee;
        }
        tr:hover td {
            background: #f0e8dc;
        }
        .site-footer {
            background: #1a2a3a;
            color: #c8d4e0;
            padding: 40px 0 20px;
            border-top: 6px solid #f5a623;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        .footer-inner h4 {
            color: #f5a623;
            margin-top: 0;
            font-size: 1.1rem;
        }
        .footer-inner a {
            color: #b0c4d8;
        }
        .footer-inner a:hover {
            color: #f5a623;
        }
        friend-link {
            display: block;
            margin-top: 16px;
            padding: 14px 18px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        friend-link a {
            display: inline-block;
            padding: 4px 0;
            font-weight: 500;
        }
        .copyright {
            text-align: center;
            padding-top: 28px;
            margin-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.88rem;
            color: #8899aa;
        }
        .copyright strong {
            color: #c8d4e0;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .sidebar {
                position: static;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                background: #0f1a26;
                padding: 16px 12px;
                border-radius: 16px;
                margin-top: 8px;
                gap: 2px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 12px 16px;
                border-radius: 10px;
                width: 100%;
            }
            .header-inner {
                align-items: center;
            }
            h1 {
                font-size: 2.0rem;
            }
            h2 {
                font-size: 1.6rem;
                padding-left: 12px;
            }
            h3 {
                font-size: 1.3rem;
            }
            .feature-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo span {
                font-size: 0.75rem;
            }
        }
        @media (max-width: 480px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .container {
                padding: 0 16px;
            }
            h1 {
                font-size: 1.7rem;
            }
            .rating-stars {
                font-size: 1.5rem;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
        }
        .text-sm {
            font-size: 0.9rem;
        }
        .text-muted {
            color: #5a6a7a;
        }
        .mt-2 {
            margin-top: 1.2rem;
        }
        .mb-2 {
            margin-bottom: 1.2rem;
        }
        .flex-between {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .gap-8 {
            gap: 8px;
        }
        .last-updated {
            display: inline-block;
            background: #f5ede1;
            padding: 4px 16px;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #5a6a7a;
        }
        .last-updated i {
            margin-right: 6px;
            color: #f5a623;
        }
        .anchor-offset {
            scroll-margin-top: 100px;
        }
        .author-box {
            display: flex;
            align-items: center;
            gap: 16px;
            background: #f8f4ee;
            padding: 18px 22px;
            border-radius: 16px;
            margin: 28px 0;
            border: 1px solid #e8ddd0;
        }
        .author-box i {
            font-size: 2.8rem;
            color: #f5a623;
        }
        .author-box p {
            margin: 0;
            font-size: 0.95rem;
        }