*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f5f7fa;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #d32f2f;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover,
        a:focus {
            color: #b71c1c;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin-bottom: 1rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            color: #0d0d1a;
            margin-top: 0;
            font-weight: 700;
            letter-spacing: -0.01em;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 0.75rem;
        }
        h2 {
            font-size: 1.8rem;
            margin-top: 2.5rem;
            margin-bottom: 0.6rem;
            border-bottom: 3px solid #d32f2f;
            padding-bottom: 0.3rem;
            display: inline-block;
        }
        h3 {
            font-size: 1.35rem;
            margin-top: 1.8rem;
            margin-bottom: 0.5rem;
            color: #1a1a2e;
        }
        h4 {
            font-size: 1.1rem;
            margin-top: 1.2rem;
            margin-bottom: 0.3rem;
            color: #2d2d44;
        }
        p {
            margin-bottom: 1rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .site-header {
            background: linear-gradient(145deg, #0d0d1a 0%, #1a1a2e 100%);
            color: #fff;
            padding: 0.6rem 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: 0.5rem 1rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #ff6f00;
            text-shadow: 0 0 12px rgba(255, 111, 0, 0.3);
            letter-spacing: 1px;
            transition: transform 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #ff8f00;
        }
        .my-logo i {
            font-size: 1.6rem;
            color: #ff6f00;
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 0.2rem;
            padding: 0;
            margin: 0;
            flex-wrap: wrap;
        }
        .nav-list li a {
            display: block;
            padding: 0.5rem 1rem;
            color: #e0e0e0;
            font-weight: 500;
            font-size: 0.92rem;
            border-radius: 8px;
            transition: background 0.2s, color 0.2s;
        }
        .nav-list li a:hover {
            background: rgba(255, 111, 0, 0.15);
            color: #ff8f00;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 0.6rem 1.25rem;
            font-size: 0.85rem;
            border-radius: 0 0 12px 12px;
            margin-bottom: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb a {
            color: #d32f2f;
        }
        .breadcrumb span {
            color: #555;
        }
        .breadcrumb .current {
            color: #1a1a2e;
            font-weight: 600;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            max-width: 500px;
            margin: 1.5rem 0 2rem;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 180px;
            padding: 0.7rem 1rem;
            border: 2px solid #ddd;
            border-radius: 30px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input:focus {
            border-color: #d32f2f;
        }
        .search-form button {
            background: #d32f2f;
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 0.7rem 1.5rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .search-form button:hover {
            background: #b71c1c;
            transform: scale(1.02);
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2rem;
            margin: 1.5rem 0 2.5rem;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            min-width: 0;
        }
        .card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem 1.8rem;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.05);
            margin-bottom: 1.8rem;
            transition: box-shadow 0.2s;
        }
        .card:hover {
            box-shadow: 0 8px 36px rgba(0, 0, 0, 0.08);
        }
        .card-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .featured-img {
            margin: 1.8rem 0;
            border-radius: 16px;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.1);
        }
        .featured-img figcaption {
            font-size: 0.85rem;
            color: #666;
            margin-top: 0.5rem;
            text-align: center;
            font-style: italic;
        }
        .comment-box textarea {
            width: 100%;
            min-height: 110px;
            padding: 0.8rem 1rem;
            border: 2px solid #e0e0e0;
            border-radius: 12px;
            font-size: 0.95rem;
            resize: vertical;
            transition: border 0.2s;
            font-family: inherit;
        }
        .comment-box textarea:focus {
            border-color: #d32f2f;
            outline: none;
        }
        .comment-box .form-row {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
            align-items: center;
            margin-top: 0.8rem;
        }
        .comment-box input {
            flex: 1;
            min-width: 160px;
            padding: 0.6rem 1rem;
            border: 2px solid #e0e0e0;
            border-radius: 30px;
            font-size: 0.9rem;
        }
        .comment-box input:focus {
            border-color: #d32f2f;
            outline: none;
        }
        .btn-primary {
            background: #d32f2f;
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 0.6rem 1.6rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .btn-primary:hover {
            background: #b71c1c;
            transform: scale(1.02);
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 1.8rem;
            cursor: pointer;
            direction: rtl;
            unicode-bidi: bidi-override;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #ccc;
            transition: color 0.15s;
            cursor: pointer;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #ff6f00;
        }
        .sidebar-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-links li {
            padding: 0.5rem 0;
            border-bottom: 1px solid #f0f0f0;
        }
        .sidebar-links li:last-child {
            border-bottom: none;
        }
        .sidebar-links a {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 500;
        }
        .sidebar-links a i {
            width: 1.2rem;
            color: #d32f2f;
        }
        friend-link {
            display: block;
            padding: 1rem 0;
            border-top: 2px solid #e0e0e0;
            margin-top: 1.5rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0.3rem 0.6rem 0.3rem 0;
            padding: 0.3rem 1rem;
            background: #f0f0f0;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.2s;
        }
        friend-link a:hover {
            background: #d32f2f;
            color: #fff;
            text-decoration: none;
        }
        .site-footer {
            background: #0d0d1a;
            color: #b0b0c0;
            padding: 2rem 0 1.2rem;
            margin-top: 3rem;
            font-size: 0.9rem;
        }
        .site-footer a {
            color: #ff8f00;
        }
        .site-footer a:hover {
            color: #ffab00;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .copyright {
            text-align: center;
            border-top: 1px solid #2a2a40;
            padding-top: 1.2rem;
            font-size: 0.85rem;
            color: #8a8aa0;
        }
        @media (max-width: 900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: 2;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #141428;
                padding: 0.8rem 0;
                border-radius: 12px;
                margin-top: 0.5rem;
                gap: 0;
            }
            .nav-list li a {
                padding: 0.7rem 1.2rem;
                border-bottom: 1px solid #22223a;
            }
            #nav-toggle:checked+.hamburger+.nav-list {
                display: flex;
            }
            .header-inner {
                align-items: center;
            }
            .search-form {
                max-width: 100%;
            }
            .card {
                padding: 1.2rem;
            }
            .star-rating {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.4rem;
            }
            .my-logo i {
                font-size: 1.2rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
                padding: 0.4rem 0.8rem;
            }
            .btn-primary {
                padding: 0.5rem 1.2rem;
                font-size: 0.9rem;
            }
        }
        .text-sm {
            font-size: 0.9rem;
        }
        .text-muted {
            color: #666;
        }
        .mt-1 {
            margin-top: 0.5rem;
        }
        .mt-2 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 0.5rem;
        }
        .mb-2 {
            margin-bottom: 1rem;
        }
        .flex {
            display: flex;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .gap-1 {
            gap: 0.5rem;
        }
        .gap-2 {
            gap: 1rem;
        }
        .items-center {
            align-items: center;
        }
        .badge {
            display: inline-block;
            background: #d32f2f;
            color: #fff;
            padding: 0.15rem 0.8rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .highlight {
            background: #fff3e0;
            padding: 0.1rem 0.3rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.4rem;
        }
        hr {
            border: none;
            border-top: 2px solid #e9ecef;
            margin: 1.8rem 0;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.92rem;
        }
        th,
        td {
            padding: 0.6rem 1rem;
            text-align: left;
            border-bottom: 1px solid #eee;
        }
        th {
            background: #f5f5f5;
            font-weight: 700;
            color: #0d0d1a;
        }
        tr:hover td {
            background: #fafafa;
        }
        .toc {
            background: #f8f9fa;
            border-left: 4px solid #d32f2f;
            padding: 1rem 1.2rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .toc a {
            display: block;
            padding: 0.2rem 0;
            font-size: 0.92rem;
        }
        .toc a:hover {
            color: #b71c1c;
        }
        .toc .toc-h2 {
            font-weight: 600;
        }
        .toc .toc-h3 {
            padding-left: 1.2rem;
        }
        .toc .toc-h4 {
            padding-left: 2.2rem;
            font-size: 0.88rem;
        }
        .anchor-offset {
            scroll-margin-top: 80px;
        }