*, *::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, sans-serif;
            background: #faf7f2;
            color: #2d2a24;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a { color: #7c3aed; text-decoration: none; transition: color 0.2s; }
        a:hover { color: #5b21b6; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; border-radius: 12px; }
        h1, h2, h3, h4 { line-height: 1.25; color: #1f1b16; font-weight: 700; }
        h1 { font-size: 2.4rem; margin-bottom: 0.75rem; }
        h2 { font-size: 1.8rem; margin: 2.5rem 0 1rem 0; border-bottom: 3px solid #e9d8fd; padding-bottom: 0.4rem; }
        h3 { font-size: 1.35rem; margin: 2rem 0 0.75rem 0; color: #3b2f26; }
        h4 { font-size: 1.1rem; margin: 1.25rem 0 0.5rem 0; color: #4f3f33; }
        p { margin-bottom: 1.1rem; }
        ul, ol { margin: 0.6rem 0 1.2rem 1.8rem; }
        li { margin-bottom: 0.4rem; }
        b, strong { color: #1f1b16; }
        .container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
        .site-header {
            background: linear-gradient(135deg, #f3e8ff 0%, #fce4ec 100%);
            padding: 1rem 0;
            box-shadow: 0 2px 12px rgba(0,0,0,0.06);
            position: sticky; top: 0; z-index: 100;
        }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            flex-wrap: wrap; gap: 0.6rem;
        }
        .my-logo {
            font-size: 1.6rem; font-weight: 800; letter-spacing: -0.5px;
            background: linear-gradient(135deg, #7c3aed, #db2777);
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo i { margin-right: 6px; -webkit-text-fill-color: #7c3aed; }
        .my-logo:hover { text-decoration: none; opacity: 0.85; }
        .hamburger { display: none; font-size: 1.8rem; cursor: pointer; color: #3b2f26; background: none; border: none; padding: 4px 8px; }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .nav-wrap { display: none; width: 100%; margin-top: 0.8rem; }
            .nav-wrap.open { display: block; }
            .nav-list { flex-direction: column; gap: 0.4rem; }
            .nav-list a { display: block; padding: 0.5rem 0; }
        }
        .nav-list { display: flex; flex-wrap: wrap; gap: 0.2rem 1rem; list-style: none; margin: 0; }
        .nav-list a {
            font-weight: 500; color: #2d2a24; padding: 0.3rem 0.2rem;
            border-bottom: 2px solid transparent; transition: 0.2s;
        }
        .nav-list a:hover { border-bottom-color: #7c3aed; text-decoration: none; }
        .breadcrumb {
            padding: 0.6rem 0; font-size: 0.9rem; color: #6b5e53;
            display: flex; flex-wrap: wrap; gap: 0.3rem 0.6rem;
        }
        .breadcrumb a { color: #6b5e53; }
        .breadcrumb a:hover { color: #7c3aed; }
        .breadcrumb span { color: #a09286; }
        .hero {
            background: linear-gradient(135deg, #f3e8ff 0%, #fce7f3 100%);
            border-radius: 20px; padding: 2.5rem 2rem; margin: 1.2rem 0 2rem;
            text-align: center;
        }
        .hero h1 { font-size: 2.6rem; margin-bottom: 0.6rem; }
        .hero p { font-size: 1.15rem; max-width: 700px; margin: 0 auto 1.2rem; color: #4f3f33; }
        .hero-meta { font-size: 0.9rem; color: #7a6a5c; display: flex; justify-content: center; gap: 1.2rem; flex-wrap: wrap; }
        .content-area {
            display: grid; grid-template-columns: 1fr 280px; gap: 2.5rem;
            margin: 2rem 0;
        }
        @media (max-width: 900px) {
            .content-area { grid-template-columns: 1fr; }
            .sidebar { order: -1; }
        }
        .article-body { min-width: 0; }
        .article-body img { margin: 1.5rem 0; border-radius: 16px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
        .sidebar { position: sticky; top: 90px; align-self: start; }
        .sidebar-card {
            background: #fff; border-radius: 16px; padding: 1.4rem;
            box-shadow: 0 2px 16px rgba(0,0,0,0.06); margin-bottom: 1.5rem;
        }
        .sidebar-card h3 { font-size: 1.1rem; margin-top: 0; border-bottom: 2px solid #f0e6ff; padding-bottom: 0.5rem; }
        .sidebar-card ul { list-style: none; margin: 0.6rem 0 0; }
        .sidebar-card li { margin-bottom: 0.5rem; }
        .sidebar-card a { display: flex; align-items: center; gap: 0.4rem; }
        .sidebar-card a i { width: 1.2rem; color: #7c3aed; }
        .search-box { display: flex; border: 2px solid #e2d5cc; border-radius: 40px; overflow: hidden; background: #fff; }
        .search-box input {
            flex: 1; border: none; padding: 0.7rem 1rem; font-size: 0.95rem;
            outline: none; background: transparent;
        }
        .search-box button {
            background: #7c3aed; color: #fff; border: none; padding: 0.7rem 1.4rem;
            cursor: pointer; font-size: 1rem; transition: background 0.2s;
        }
        .search-box button:hover { background: #5b21b6; }
        .interaction-area {
            background: #fff; border-radius: 20px; padding: 2rem;
            box-shadow: 0 2px 16px rgba(0,0,0,0.05); margin: 2.5rem 0;
        }
        .interaction-area h2 { margin-top: 0; border-bottom: none; }
        .rating-stars { font-size: 1.8rem; color: #d4c5b8; cursor: pointer; display: flex; gap: 0.3rem; margin: 0.6rem 0; }
        .rating-stars .star.active { color: #f59e0b; }
        .rating-stars .star:hover { color: #f59e0b; }
        .comment-form textarea {
            width: 100%; border: 2px solid #e2d5cc; border-radius: 12px; padding: 0.8rem;
            font-family: inherit; font-size: 0.95rem; resize: vertical; min-height: 90px;
        }
        .comment-form button, .rating-form button {
            background: #7c3aed; color: #fff; border: none; padding: 0.65rem 1.6rem;
            border-radius: 40px; font-size: 0.95rem; cursor: pointer; transition: 0.2s; margin-top: 0.5rem;
        }
        .comment-form button:hover, .rating-form button:hover { background: #5b21b6; }
        .site-footer {
            background: #1f1b16; color: #c4b5a5; padding: 2.5rem 0 1.2rem;
            margin-top: 3rem; border-radius: 24px 24px 0 0;
        }
        .footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; }
        @media (max-width: 700px) { .footer-inner { grid-template-columns: 1fr; } }
        .footer-inner h4 { color: #f3e8ff; margin-bottom: 0.8rem; }
        .footer-inner a { color: #c4b5a5; }
        .footer-inner a:hover { color: #e9d8fd; }
        friend-link { display: block; margin: 1rem 0 0.5rem; font-weight: 500; color: #e9d8fd; }
        friend-link a { color: #c4b5a5; margin: 0 0.3rem; }
        .copyright { text-align: center; padding-top: 1.5rem; border-top: 1px solid #3b2f26; margin-top: 1.5rem; font-size: 0.85rem; }
        @media (max-width: 480px) {
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.4rem; }
            .hero { padding: 1.5rem 1rem; }
            .hero h1 { font-size: 1.8rem; }
            .interaction-area { padding: 1.2rem; }
        }
        .schema-hidden { display: none; }
        .highlight-box {
            background: #f3e8ff; border-left: 5px solid #7c3aed; padding: 1rem 1.4rem;
            border-radius: 0 12px 12px 0; margin: 1.2rem 0;
        }
        .emoji-lg { font-size: 1.3rem; }
        .tag { display: inline-block; background: #e9d8fd; color: #5b21b6; padding: 0.15rem 0.7rem; border-radius: 40px; font-size: 0.8rem; font-weight: 600; }
        .tutorial-table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
        .tutorial-table th { background: #f3e8ff; text-align: left; padding: 0.6rem 0.8rem; font-weight: 600; }
        .tutorial-table td { padding: 0.6rem 0.8rem; border-bottom: 1px solid #ede4da; }