*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.8;
            color: #1e1e2a;
            background: #f8f7f4;
            padding: 0;
            margin: 0;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: #7c3aed; text-decoration: none; transition: color 0.25s ease; }
        a:hover { color: #5b21b6; text-decoration: underline; }
        ul, ol { padding-left: 1.5rem; margin-bottom: 1.2rem; }
        li { margin-bottom: 0.3rem; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: #1a1a2e; margin-top: 2rem; margin-bottom: 0.8rem; }
        h1 { font-size: 2.6rem; margin-top: 0.5rem; border-bottom: 4px solid #7c3aed; padding-bottom: 0.5rem; display: inline-block; }
        h2 { font-size: 2rem; border-left: 5px solid #7c3aed; padding-left: 1rem; margin-top: 3rem; }
        h3 { font-size: 1.5rem; margin-top: 2rem; color: #2d2d44; }
        h4 { font-size: 1.2rem; margin-top: 1.5rem; color: #3b3b5c; font-weight: 600; }
        p { margin-bottom: 1.2rem; color: #2a2a3a; }
        strong { color: #1a1a2e; font-weight: 700; }
        .lead { font-size: 1.2rem; color: #3d3d5c; font-weight: 400; }
        .container { max-width: 1180px; margin: 0 auto; padding: 0 1.5rem; }
        .content-wrapper { display: flex; flex-wrap: wrap; gap: 2.5rem; margin: 2.5rem 0; }
        .main-content { flex: 1 1 68%; min-width: 0; }
        .side-content { flex: 1 1 28%; min-width: 280px; }
        .site-header {
            background: linear-gradient(135deg, #1a1a2e 0%, #2d1b69 100%);
            color: #fff;
            padding: 1rem 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: 0.8rem;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            color: #fff;
            background: linear-gradient(to right, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 10px rgba(251,191,36,0.3);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i { font-size: 1.6rem; -webkit-text-fill-color: #fbbf24; color: #fbbf24; }
        .my-logo:hover { opacity: 0.9; text-decoration: none; }
        .nav-toggle { display: none; font-size: 1.8rem; background: none; border: none; color: #fff; cursor: pointer; padding: 0.3rem 0.6rem; border-radius: 6px; transition: background 0.2s; }
        .nav-toggle:hover { background: rgba(255,255,255,0.12); }
        .nav-menu { display: flex; flex-wrap: wrap; gap: 1.2rem 1.8rem; align-items: center; list-style: none; padding: 0; margin: 0; }
        .nav-menu li { margin: 0; }
        .nav-menu a {
            color: rgba(255,255,255,0.85);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: all 0.25s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .nav-menu a:hover { color: #fbbf24; border-bottom-color: #fbbf24; text-decoration: none; }
        .nav-menu a i { font-size: 0.85rem; }
        .breadcrumb {
            background: #ede9fe;
            padding: 0.7rem 1.2rem;
            border-radius: 40px;
            font-size: 0.85rem;
            margin: 1.2rem 0 1.8rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb a { color: #5b21b6; font-weight: 500; }
        .breadcrumb a:hover { text-decoration: underline; }
        .breadcrumb span { color: #6b7280; }
        .breadcrumb .current { color: #1e1e2a; font-weight: 600; }
        .search-box {
            background: #fff;
            border-radius: 60px;
            padding: 0.2rem 0.2rem 0.2rem 1.4rem;
            display: flex;
            align-items: center;
            box-shadow: 0 4px 16px rgba(0,0,0,0.06);
            border: 1px solid #e5e7eb;
            max-width: 480px;
            margin: 1.8rem 0;
        }
        .search-box input {
            flex: 1;
            border: none;
            outline: none;
            padding: 0.8rem 0;
            font-size: 1rem;
            background: transparent;
            color: #1e1e2a;
            min-width: 0;
        }
        .search-box input::placeholder { color: #9ca3af; }
        .search-box button {
            background: #7c3aed;
            border: none;
            color: #fff;
            padding: 0.7rem 1.6rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.25s;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
        }
        .search-box button:hover { background: #5b21b6; }
        .card {
            background: #fff;
            border-radius: 20px;
            padding: 1.8rem 2rem;
            box-shadow: 0 6px 28px rgba(0,0,0,0.04);
            margin-bottom: 2rem;
            border: 1px solid #f0edf6;
            transition: box-shadow 0.3s;
        }
        .card:hover { box-shadow: 0 8px 36px rgba(124,58,237,0.08); }
        .card h3 { margin-top: 1.2rem; }
        .feature-img {
            border-radius: 16px;
            margin: 1.5rem 0;
            width: 100%;
            object-fit: cover;
            box-shadow: 0 4px 20px rgba(0,0,0,0.06);
        }
        .rating-stars { display: flex; gap: 0.4rem; font-size: 1.6rem; color: #d1d5db; cursor: pointer; }
        .rating-stars .star { transition: color 0.2s, transform 0.15s; }
        .rating-stars .star:hover, .rating-stars .star.active { color: #f59e0b; transform: scale(1.08); }
        .rating-form { display: flex; flex-direction: column; gap: 0.8rem; margin-top: 0.8rem; }
        .rating-form button { align-self: flex-start; background: #7c3aed; color: #fff; border: none; padding: 0.5rem 1.6rem; border-radius: 40px; font-weight: 600; cursor: pointer; transition: background 0.25s; }
        .rating-form button:hover { background: #5b21b6; }
        .comment-form textarea { width: 100%; border: 1px solid #e0dce8; border-radius: 16px; padding: 1rem 1.2rem; font-size: 1rem; font-family: inherit; resize: vertical; min-height: 110px; transition: border 0.2s; background: #faf9fc; }
        .comment-form textarea:focus { outline: none; border-color: #7c3aed; background: #fff; }
        .comment-form input[type="text"] { width: 100%; border: 1px solid #e0dce8; border-radius: 40px; padding: 0.7rem 1.2rem; font-size: 1rem; margin-bottom: 0.6rem; background: #faf9fc; }
        .comment-form input[type="text"]:focus { outline: none; border-color: #7c3aed; background: #fff; }
        .comment-form button { background: #7c3aed; color: #fff; border: none; padding: 0.6rem 1.8rem; border-radius: 40px; font-weight: 600; cursor: pointer; transition: background 0.25s; }
        .comment-form button:hover { background: #5b21b6; }
        .sidebar-links { list-style: none; padding: 0; }
        .sidebar-links li { padding: 0.5rem 0; border-bottom: 1px solid #f0edf6; }
        .sidebar-links a { display: flex; align-items: center; gap: 0.6rem; font-weight: 500; color: #2d2d44; }
        .sidebar-links a:hover { color: #7c3aed; text-decoration: none; }
        .sidebar-links a i { color: #7c3aed; font-size: 0.85rem; width: 1.2rem; }
        friend-link {
            display: block;
            background: #ede9fe;
            padding: 1.2rem 1.8rem;
            border-radius: 16px;
            margin: 1.2rem 0;
            font-weight: 500;
            transition: background 0.25s, transform 0.2s;
        }
        friend-link a { color: #5b21b6; }
        friend-link a:hover { text-decoration: underline; }
        friend-link:hover { background: #ddd6fe; transform: translateY(-2px); }
        .site-footer {
            background: #1a1a2e;
            color: rgba(255,255,255,0.8);
            padding: 2.5rem 0 1.8rem;
            margin-top: 3rem;
            border-top: 4px solid #7c3aed;
        }
        .site-footer a { color: #c4b5fd; }
        .site-footer a:hover { color: #fbbf24; }
        .footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 2rem; margin-bottom: 2rem; }
        .footer-copy { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 1.5rem; text-align: center; font-size: 0.9rem; }
        .toc { background: #f5f0ff; border-radius: 16px; padding: 1.4rem 1.8rem; margin: 1.8rem 0; border-left: 4px solid #7c3aed; }
        .toc ol { margin-bottom: 0; }
        .toc a { color: #4c1d95; }
        @media (max-width: 820px) {
            .content-wrapper { flex-direction: column; }
            .side-content { flex: 1 1 100%; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .header-inner { flex-wrap: wrap; }
            .nav-toggle { display: block; }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 0.6rem;
                padding: 1rem 0 0.5rem;
                border-top: 1px solid rgba(255,255,255,0.1);
                margin-top: 0.6rem;
            }
            .nav-menu.open { display: flex; }
            .nav-menu a { width: 100%; padding: 0.4rem 0; }
            .search-box { flex-direction: column; border-radius: 24px; padding: 0.6rem; gap: 0.4rem; }
            .search-box button { width: 100%; justify-content: center; }
            .card { padding: 1.2rem 1.2rem; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 1rem; }
            h1 { font-size: 1.6rem; }
            .my-logo { font-size: 1.4rem; }
            .breadcrumb { font-size: 0.75rem; padding: 0.5rem 1rem; }
        }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .flex { display: flex; }
        .flex-wrap { flex-wrap: wrap; }
        .gap-1 { gap: 1rem; }
        .align-center { align-items: center; }
        .text-sm { font-size: 0.9rem; }
        .text-muted { color: #6b7280; }
        .badge { display: inline-block; background: #ede9fe; color: #5b21b6; padding: 0.2rem 0.8rem; border-radius: 40px; font-size: 0.75rem; font-weight: 600; }
        .schema-hidden { display: none; }