:root {
            --primary: #1a1a2e;
            --secondary: #e94560;
            --accent: #6c63ff;
            --light: #f5f5f7;
            --white: #ffffff;
            --dark: #12121f;
            --text: #2d2d3a;
            --muted: #76768a;
            --border: #e2e2ea;
            --radius: 12px;
            --shadow: 0 4px 20px rgba(0, 0, 0, .07);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: var(--light);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
        }
        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--primary);
            color: #fff;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, .3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 20px;
            max-width: 1240px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            color: #fff;
            text-decoration: none;
            letter-spacing: -0.5px;
        }
        .my-logo i {
            color: var(--secondary);
            margin-right: 6px;
        }
        .nav-links {
            display: flex;
            gap: 24px;
            list-style: none;
        }
        .nav-links a {
            color: #cfcfe4;
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color .2s;
        }
        .nav-links a:hover {
            color: var(--secondary);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumb-wrap {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            padding: 10px 0;
            font-size: 0.88rem;
        }
        .breadcrumb {
            list-style: none;
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .breadcrumb li a {
            color: var(--accent);
            text-decoration: none;
        }
        .breadcrumb li a:hover {
            text-decoration: underline;
        }
        .breadcrumb li::after {
            content: "›";
            margin-left: 6px;
            color: var(--muted);
        }
        .breadcrumb li:last-child::after {
            content: "";
        }
        .breadcrumb li:last-child {
            color: var(--muted);
        }
        .hero {
            background: linear-gradient(135deg, #1a1a2e, #2d2d5e);
            color: #fff;
            padding: 60px 0;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .hero p {
            font-size: 1.15rem;
            color: #b0b0d8;
            max-width: 700px;
            margin: 0 auto;
        }
        .hero .badge {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            border-radius: 30px;
            padding: 4px 18px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .content-wrap {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            padding: 40px 0;
        }
        .article-body {
            background: var(--white);
            border-radius: var(--radius);
            padding: 40px;
            box-shadow: var(--shadow);
        }
        .article-body h2 {
            font-size: 1.9rem;
            color: var(--primary);
            margin: 40px 0 18px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
        }
        .article-body h2:first-child {
            margin-top: 0;
        }
        .article-body h3 {
            font-size: 1.35rem;
            color: var(--dark);
            margin: 28px 0 12px;
        }
        .article-body h4 {
            font-size: 1.1rem;
            color: var(--secondary);
            margin: 18px 0 8px;
        }
        .article-body p {
            margin-bottom: 16px;
        }
        .article-body ul,
        .article-body ol {
            margin: 12px 0 20px 24px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body a {
            color: var(--accent);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body a:hover {
            color: var(--secondary);
        }
        .article-body img {
            max-width: 100%;
            border-radius: var(--radius);
            margin: 24px 0;
            box-shadow: var(--shadow);
        }
        .article-body blockquote {
            border-left: 4px solid var(--secondary);
            background: #fdf0f2;
            padding: 16px 20px;
            border-radius: 0 8px 8px 0;
            margin: 20px 0;
            font-style: italic;
            color: #555;
        }
        .article-body .info-box {
            background: #eef2ff;
            border-radius: var(--radius);
            padding: 18px 22px;
            margin: 20px 0;
            border-left: 4px solid var(--accent);
        }
        .article-body .info-box strong {
            color: var(--primary);
        }
        .table-wrap {
            overflow-x: auto;
            margin: 20px 0;
        }
        .table-wrap table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.92rem;
        }
        .table-wrap th {
            background: var(--primary);
            color: #fff;
            padding: 10px 14px;
            text-align: left;
        }
        .table-wrap td {
            padding: 10px 14px;
            border-bottom: 1px solid var(--border);
        }
        .table-wrap tr:nth-child(even) {
            background: #f9f9ff;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            color: var(--primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i {
            color: var(--secondary);
        }
        .sidebar-card ul {
            list-style: none;
        }
        .sidebar-card li {
            margin-bottom: 10px;
        }
        .sidebar-card li a {
            color: var(--text);
            text-decoration: none;
            font-size: 0.92rem;
            transition: color .2s;
        }
        .sidebar-card li a:hover {
            color: var(--secondary);
        }
        .search-box {
            display: flex;
            gap: 0;
        }
        .search-box input {
            flex: 1;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: 6px 0 0 6px;
            font-size: 0.9rem;
            outline: none;
        }
        .search-box button {
            background: var(--accent);
            border: none;
            color: #fff;
            padding: 10px 16px;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
        }
        .comment-form,
        .rating-form {
            margin-top: 20px;
        }
        .comment-form textarea {
            width: 100%;
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 12px;
            font-family: inherit;
            font-size: 0.92rem;
            resize: vertical;
            min-height: 100px;
        }
        .comment-form input,
        .rating-form input {
            width: 100%;
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 10px 14px;
            font-size: 0.92rem;
            margin-top: 10px;
        }
        .comment-form button,
        .rating-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 24px;
            border-radius: 8px;
            font-size: 0.92rem;
            cursor: pointer;
            margin-top: 12px;
            transition: background .2s;
        }
        .comment-form button:hover,
        .rating-form button:hover {
            background: var(--secondary);
        }
        .star-rating {
            display: flex;
            gap: 4px;
            font-size: 1.4rem;
            cursor: pointer;
            color: #ddd;
            margin: 10px 0;
        }
        .star-rating .fa-star.active {
            color: #f5b301;
        }
        .site-footer {
            background: var(--dark);
            color: #aaa;
            padding: 50px 0 20px;
            font-size: 0.9rem;
        }
        .footer-inner {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
        }
        .footer-inner h4 {
            color: #fff;
            margin-bottom: 14px;
            font-size: 1rem;
        }
        .footer-inner a {
            color: #aaa;
            text-decoration: none;
            display: block;
            margin-bottom: 8px;
        }
        .footer-inner a:hover {
            color: var(--secondary);
        }
        .friend-link {
            display: block;
            padding: 20px;
            background: #1e1e30;
            border-radius: 8px;
            margin-bottom: 20px;
        }
        .friend-link a {
            display: inline-block;
            margin-right: 16px;
            color: #cfcfe4;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #333;
            margin-top: 30px;
            font-size: 0.82rem;
            color: #777;
        }
        @media(max-width:992px) {
            .content-wrap {
                grid-template-columns: 1fr;
                padding: 20px 0;
            }
            .sidebar {
                order: 2;
            }
        }
        @media(max-width:768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--primary);
                padding: 20px;
                box-shadow: 0 8px 20px rgba(0, 0, 0, .4);
            }
            .nav-links.open {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .article-body {
                padding: 24px 20px;
            }
            .article-body h2 {
                font-size: 1.5rem;
            }
            .hide-mobile {
                display: none;
            }
        }
        @media(max-width:480px) {
            .header-inner {
                padding: 10px 16px;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .hero {
                padding: 40px 0;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .article-body {
                padding: 16px 14px;
            }
        }