*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            background: #f5f7fc;
            color: #1e1e2f;
            line-height: 1.7;
            padding: 0;
            margin: 0;
        }
        a { color: #6C2BD9; text-decoration: none; transition: color 0.2s; }
        a:hover { color: #9B59B6; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; border-radius: 12px; }
        h1, h2, h3, h4 { font-weight: 700; line-height: 1.25; color: #1a1a2e; margin-top: 0; }
        h1 { font-size: 2.4rem; margin-bottom: 0.75rem; }
        h2 { font-size: 1.8rem; margin: 2.5rem 0 1rem 0; padding-bottom: 0.4rem; border-bottom: 3px solid #6C2BD9; display: inline-block; }
        h3 { font-size: 1.35rem; margin: 2rem 0 0.75rem 0; color: #2d2d44; }
        h4 { font-size: 1.1rem; margin: 1.5rem 0 0.5rem 0; color: #3d3d55; }
        p { margin-bottom: 1.2rem; font-size: 1.05rem; }
        ul, ol { margin: 0 0 1.5rem 2rem; }
        li { margin-bottom: 0.5rem; font-size: 1.05rem; }
        .container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }
        .text-center { text-align: center; }
        .site-header {
            background: linear-gradient(135deg, #1a1a2e 0%, #2d1b4e 100%);
            padding: 0 0;
            position: sticky; top: 0; z-index: 100;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
        }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            max-width: 1140px; margin: 0 auto; padding: 0.8rem 20px;
        }
        .my-logo {
            font-size: 1.8rem; font-weight: 800; color: #fff;
            letter-spacing: -0.5px; transition: opacity 0.2s;
        }
        .my-logo:hover { opacity: 0.85; text-decoration: none; }
        .my-logo span { color: #9B59B6; }
        .nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.6rem; cursor: pointer; padding: 0 0.3rem; }
        .nav-menu { display: flex; gap: 1.8rem; align-items: center; }
        .nav-menu a { color: #e0daf0; font-weight: 500; font-size: 0.95rem; padding: 0.3rem 0; position: relative; }
        .nav-menu a::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background: #9B59B6; transition: width 0.25s; }
        .nav-menu a:hover::after { width: 100%; }
        .nav-menu a:hover { color: #fff; text-decoration: none; }
        .breadcrumb {
            background: #fff; padding: 0.7rem 0; border-bottom: 1px solid #eaeef5; font-size: 0.9rem;
        }
        .breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.4rem 0.2rem; margin: 0; }
        .breadcrumb li { margin: 0; font-size: 0.9rem; }
        .breadcrumb li+li::before { content: '›'; margin: 0 0.4rem; color: #888; }
        .breadcrumb a { color: #6C2BD9; }
        .breadcrumb .current { color: #555; font-weight: 500; }
        .hero {
            background: linear-gradient(145deg, #f0edf8 0%, #e4def5 100%);
            padding: 3.5rem 0 2.8rem; border-radius: 0 0 40px 40px; margin-bottom: 2.5rem;
        }
        .hero h1 { font-size: 2.8rem; margin-bottom: 0.6rem; }
        .hero .sub { font-size: 1.15rem; color: #4a4a66; max-width: 780px; margin: 0.5rem 0 1.2rem; }
        .hero-meta { display: flex; gap: 1.5rem; flex-wrap: wrap; font-size: 0.95rem; color: #555; margin-top: 1.2rem; }
        .hero-meta i { color: #6C2BD9; margin-right: 0.35rem; }
        .content-area { padding: 0 0 3rem; }
        .content-grid { display: grid; grid-template-columns: 1fr 320px; gap: 2.5rem; }
        .article-body { background: #fff; padding: 2.5rem 2.8rem; border-radius: 20px; box-shadow: 0 8px 30px rgba(0,0,0,0.04); }
        .sidebar { position: sticky; top: 100px; align-self: start; }
        .sidebar-card { background: #fff; padding: 1.8rem; border-radius: 16px; box-shadow: 0 8px 25px rgba(0,0,0,0.04); margin-bottom: 1.8rem; }
        .sidebar-card h4 { margin-bottom: 0.8rem; font-size: 1.1rem; }
        .sidebar-card ul { list-style: none; margin: 0; }
        .sidebar-card li { margin-bottom: 0.6rem; font-size: 0.95rem; }
        .sidebar-card li a { display: flex; align-items: center; gap: 0.5rem; }
        .sidebar-card li a i { width: 1.2rem; color: #6C2BD9; }
        .search-box { display: flex; gap: 0.5rem; margin: 1.5rem 0 2rem; }
        .search-box input {
            flex: 1; padding: 0.8rem 1.2rem; border: 2px solid #ddd; border-radius: 50px;
            font-size: 1rem; outline: none; transition: border 0.25s;
        }
        .search-box input:focus { border-color: #6C2BD9; }
        .search-box button {
            background: #6C2BD9; color: #fff; border: none; border-radius: 50px;
            padding: 0 1.8rem; font-size: 1rem; cursor: pointer; transition: background 0.2s;
        }
        .search-box button:hover { background: #5a1fb8; }
        .rating-area { display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap; margin: 2rem 0 1.5rem; padding: 1.2rem 1.8rem; background: #f8f6fe; border-radius: 16px; }
        .rating-stars { display: flex; gap: 0.2rem; font-size: 1.6rem; color: #ddd; cursor: pointer; }
        .rating-stars .star { transition: color 0.15s; }
        .rating-stars .star.active, .rating-stars .star:hover { color: #f1c40f; }
        .rating-stars .star:hover ~ .star { color: #ddd; }
        .rating-info { font-size: 0.95rem; color: #555; }
        .rating-form { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
        .rating-form button { background: #6C2BD9; color: #fff; border: none; border-radius: 50px; padding: 0.5rem 1.6rem; font-size: 0.95rem; cursor: pointer; transition: background 0.2s; }
        .rating-form button:hover { background: #5a1fb8; }
        .comments-section { margin-top: 2.5rem; padding-top: 2rem; border-top: 2px solid #eaeef5; }
        .comments-section h3 { margin-bottom: 1.2rem; }
        .comment-form { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 2rem; }
        .comment-form input, .comment-form textarea { padding: 0.8rem 1.2rem; border: 2px solid #e0e0e0; border-radius: 12px; font-size: 1rem; outline: none; transition: border 0.25s; font-family: inherit; }
        .comment-form input:focus, .comment-form textarea:focus { border-color: #6C2BD9; }
        .comment-form textarea { min-height: 110px; resize: vertical; }
        .comment-form button { align-self: flex-start; background: #6C2BD9; color: #fff; border: none; border-radius: 50px; padding: 0.7rem 2rem; font-size: 1rem; cursor: pointer; transition: background 0.2s; }
        .comment-form button:hover { background: #5a1fb8; }
        .comment-list { display: flex; flex-direction: column; gap: 1.2rem; }
        .comment-item { background: #f8f6fe; padding: 1.2rem 1.5rem; border-radius: 14px; }
        .comment-item strong { color: #2d2d44; }
        .comment-item .date { font-size: 0.8rem; color: #888; margin-left: 0.8rem; }
        .comment-item p { margin: 0.4rem 0 0; font-size: 0.98rem; }
        .site-footer {
            background: #1a1a2e; color: #c8c8e0; padding: 2.5rem 0 1.8rem; margin-top: 3rem;
        }
        .footer-inner { max-width: 1140px; margin: 0 auto; padding: 0 20px; }
        .footer-flex { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 2rem; }
        .footer-col { flex: 1 1 220px; }
        .footer-col h5 { color: #fff; margin-bottom: 0.8rem; font-size: 1.05rem; }
        .footer-col a { color: #b0a8d0; display: block; margin-bottom: 0.4rem; font-size: 0.9rem; }
        .footer-col a:hover { color: #fff; text-decoration: none; }
        friend-link { display: block; margin-top: 0.8rem; font-style: normal; }
        friend-link a { display: inline-block; margin-right: 1.2rem; margin-bottom: 0.4rem; color: #9B59B6; }
        .copyright { text-align: center; margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid #2d2d44; font-size: 0.85rem; color: #8888aa; }
        @media (max-width: 900px) {
            .content-grid { grid-template-columns: 1fr; }
            .sidebar { position: static; }
            .article-body { padding: 1.8rem; }
            h1 { font-size: 2rem; }
            .hero h1 { font-size: 2.2rem; }
            .hero { padding: 2.5rem 0 2rem; }
        }
        @media (max-width: 768px) {
            .nav-toggle { display: block; }
            .nav-menu {
                display: none; flex-direction: column; background: #1a1a2e;
                position: absolute; top: 100%; left: 0; right: 0; padding: 1rem 20px; gap: 0.8rem;
                border-top: 1px solid #2d2d44;
            }
            .nav-menu.open { display: flex; }
            .header-inner { flex-wrap: wrap; }
            .hero h1 { font-size: 1.8rem; }
            h2 { font-size: 1.5rem; }
            .article-body { padding: 1.4rem; }
            .rating-area { flex-direction: column; align-items: flex-start; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 14px; }
            .article-body { padding: 1rem; }
            h1 { font-size: 1.6rem; }
            .hero h1 { font-size: 1.5rem; }
            .search-box { flex-direction: column; }
            .search-box button { padding: 0.7rem; }
        }
        .highlight { background: #f0ebff; padding: 0.1rem 0.4rem; border-radius: 6px; font-weight: 600; }
        .blockquote { background: #f8f6fe; border-left: 4px solid #6C2BD9; padding: 1.2rem 1.8rem; margin: 1.5rem 0; border-radius: 0 12px 12px 0; font-style: italic; }
        .blockquote cite { display: block; margin-top: 0.5rem; font-style: normal; font-weight: 600; color: #4a4a66; }
        .btn { display: inline-block; background: #6C2BD9; color: #fff; padding: 0.6rem 1.8rem; border-radius: 50px; font-weight: 600; transition: background 0.2s, transform 0.1s; }
        .btn:hover { background: #5a1fb8; color: #fff; text-decoration: none; transform: translateY(-1px); }
        .feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.2rem; margin: 1.5rem 0; }
        .feature-card { background: #f8f6fe; padding: 1.4rem; border-radius: 14px; text-align: center; }
        .feature-card i { font-size: 2rem; color: #6C2BD9; margin-bottom: 0.5rem; }
        .feature-card h4 { margin: 0.3rem 0 0.4rem; font-size: 1.05rem; }
        .feature-card p { font-size: 0.92rem; margin: 0; }
        .schema-hidden { display: none; }
        .last-update { font-size: 0.9rem; color: #777; margin-top: 2rem; text-align: right; }