*,
        *::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: #f5f7fc;
            color: #1a1a2e;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a {
            color: #6c2bd9;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #4a1a96;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #0f0f1e;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .site-header {
            background: linear-gradient(135deg, #1a0533 0%, #2d0a5e 50%, #1a0533 100%);
            padding: 0.75rem 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: 0.75rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
            background: linear-gradient(135deg, #b388ff, #7c4dff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 30px rgba(124, 77, 255, 0.3);
            transition: transform 0.2s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #b388ff;
            margin-right: 0.3rem;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .main-nav {
            display: flex;
            gap: 0.25rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #ddd6f3;
            padding: 0.5rem 0.9rem;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
        }
        .main-nav a:hover {
            background: rgba(179, 136, 255, 0.2);
            color: #fff;
            text-decoration: none;
        }
        .main-nav a i {
            margin-right: 0.35rem;
            font-size: 0.85rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 1.5rem;
            padding: 0.3rem 0.7rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: #e8e0f5;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d4c8e8;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            list-style: none;
            padding: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #7a5ea7;
        }
        .breadcrumb a {
            color: #4a2d7a;
        }
        .breadcrumb .current {
            color: #1a1a2e;
            font-weight: 600;
        }
        .main-content {
            padding: 2rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        @media(max-width:992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-body h1 {
            font-size: 2.4rem;
            margin-bottom: 0.75rem;
            color: #1a0533;
            border-left: 6px solid #7c4dff;
            padding-left: 1rem;
        }
        .article-body h2 {
            font-size: 1.7rem;
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            color: #2d0a5e;
            border-bottom: 2px solid #d4c8e8;
            padding-bottom: 0.4rem;
        }
        .article-body h3 {
            font-size: 1.3rem;
            margin-top: 2rem;
            margin-bottom: 0.6rem;
            color: #3d1a7a;
        }
        .article-body h4 {
            font-size: 1.1rem;
            margin-top: 1.4rem;
            margin-bottom: 0.4rem;
            color: #4a2d7a;
            font-weight: 600;
        }
        .article-body p {
            margin-bottom: 1.1rem;
            color: #222;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.2rem;
        }
        .article-body li {
            margin-bottom: 0.4rem;
        }
        .article-body .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            font-size: 0.9rem;
            color: #5a4a7a;
            margin-bottom: 1.5rem;
            padding: 0.6rem 0;
            border-top: 1px solid #e0d6f0;
            border-bottom: 1px solid #e0d6f0;
        }
        .article-body .meta-info i {
            margin-right: 0.3rem;
        }
        .featured-image {
            margin: 1.5rem 0 2rem;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        .featured-image figcaption {
            background: #f0ebf8;
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
            color: #3d2a5a;
            font-style: italic;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            margin-bottom: 1.5rem;
            border: 1px solid #e8e0f5;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            color: #1a0533;
            margin-bottom: 0.8rem;
            border-bottom: 2px solid #e0d6f0;
            padding-bottom: 0.4rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card li {
            margin-bottom: 0.5rem;
        }
        .sidebar-card a {
            color: #4a2d7a;
            font-weight: 500;
            display: block;
            padding: 0.35rem 0;
            border-bottom: 1px solid #f0ecf8;
            transition: padding-left 0.2s;
        }
        .sidebar-card a:hover {
            padding-left: 0.5rem;
            color: #6c2bd9;
            text-decoration: none;
        }
        .sidebar-card a i {
            margin-right: 0.5rem;
            color: #7c4dff;
            width: 1.2rem;
            text-align: center;
        }
        .search-box {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 1.2rem;
        }
        .search-box input {
            flex: 1;
            padding: 0.7rem 1rem;
            border: 2px solid #d4c8e8;
            border-radius: 40px;
            font-size: 0.9rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-box input:focus {
            border-color: #7c4dff;
        }
        .search-box button {
            background: #7c4dff;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0.7rem 1.2rem;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 0.9rem;
        }
        .search-box button:hover {
            background: #5a2db8;
        }
        .review-section {
            background: #fff;
            border-radius: 16px;
            padding: 2rem;
            margin-top: 2.5rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            border: 1px solid #e8e0f5;
        }
        .review-section h2 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: #1a0533;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #d4c8e8;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border 0.2s;
            background: #fafaff;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #7c4dff;
            outline: none;
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .form-row {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .form-row .form-group {
            flex: 1;
            min-width: 150px;
        }
        .btn-primary {
            background: linear-gradient(135deg, #7c4dff, #5a2db8);
            color: #fff;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(124, 77, 255, 0.35);
        }
        .rating-stars {
            display: flex;
            gap: 0.3rem;
            font-size: 1.6rem;
            color: #d4c8e8;
            cursor: pointer;
        }
        .rating-stars i.active {
            color: #ffb300;
        }
        .rating-stars i:hover,
        .rating-stars i.hover {
            color: #ffb300;
        }
        .site-footer {
            background: #1a0533;
            color: #c8b8e0;
            padding: 2.5rem 0 1rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
            border-bottom: 1px solid #3a1a6a;
            padding-bottom: 0.4rem;
        }
        .site-footer a {
            color: #b89ed8;
            display: block;
            padding: 0.25rem 0;
            font-size: 0.9rem;
        }
        .site-footer a:hover {
            color: #fff;
            text-decoration: none;
        }
        friend-link {
            display: block;
            margin-top: 0.5rem;
        }
        friend-link a {
            display: inline-block;
            margin-right: 1rem;
            margin-bottom: 0.3rem;
            background: rgba(255, 255, 255, 0.06);
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
        }
        friend-link a:hover {
            background: rgba(255, 255, 255, 0.12);
        }
        .copyright {
            border-top: 1px solid #3a1a6a;
            padding-top: 1.2rem;
            text-align: center;
            font-size: 0.85rem;
            color: #9a82b8;
        }
        .copyright strong {
            color: #d4c8e8;
        }
        @media(max-width:768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(26, 5, 51, 0.98);
                padding: 1rem 0;
                border-radius: 0 0 16px 16px;
                margin-top: 0.5rem;
            }
            .main-nav a {
                padding: 0.7rem 1.2rem;
                border-radius: 0;
            }
            #nav-toggle:checked~.main-nav {
                display: flex;
            }
            .header-inner {
                align-items: center;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .article-body h1 {
                font-size: 1.7rem;
            }
            .article-body h2 {
                font-size: 1.3rem;
            }
            .article-body h3 {
                font-size: 1.1rem;
            }
            .content-grid {
                gap: 1.5rem;
            }
            .sidebar {
                position: static;
            }
            .review-section {
                padding: 1.2rem;
            }
            .form-row {
                flex-direction: column;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .breadcrumb ol {
                gap: 0.2rem;
            }
        }
        @media(max-width:480px) {
            .container {
                padding: 0 0.9rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .main-nav a {
                font-size: 0.85rem;
                padding: 0.5rem 0.8rem;
            }
            .article-body h1 {
                font-size: 1.4rem;
                padding-left: 0.6rem;
            }
            .article-body {
                font-size: 0.95rem;
            }
            .rating-stars {
                font-size: 1.3rem;
            }
            .btn-primary {
                width: 100%;
                text-align: center;
            }
        }
        .highlight-box {
            background: #f0ebf8;
            border-left: 5px solid #7c4dff;
            padding: 1.2rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .emoji-big {
            font-size: 1.8rem;
            margin-right: 0.3rem;
        }
        .tag {
            display: inline-block;
            background: #e0d6f0;
            color: #2d0a5e;
            padding: 0.2rem 0.8rem;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-right: 0.3rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        table th {
            background: #2d0a5e;
            color: #fff;
            padding: 0.6rem 1rem;
            text-align: left;
        }
        table td {
            padding: 0.5rem 1rem;
            border-bottom: 1px solid #e0d6f0;
        }
        table tr:hover td {
            background: #f5f0fc;
        }
        .skip-link {
            position: absolute;
            top: -100px;
            left: 0;
            background: #7c4dff;
            color: #fff;
            padding: 0.5rem 1rem;
            z-index: 9999;
            transition: top 0.2s;
        }
        .skip-link:focus {
            top: 0;
        }
        .hidden-schema {
            display: none;
        }