* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: #e2e8f0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #60a5fa; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #38bdf8; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
        header { background: rgba(15, 23, 42, 0.95); backdrop-filter: blur(10px); border-bottom: 2px solid #334155; position: sticky; top: 0; z-index: 1000; }
        .header-top { display: flex; justify-content: space-between; align-items: center; padding: 15px 0; }
        .logo a.my-logo { font-size: 2.5rem; font-weight: 900; background: linear-gradient(90deg, #fbbf24, #f472b6); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; text-shadow: 0 2px 10px rgba(251, 191, 36, 0.3); }
        .search-form { display: flex; flex-grow: 0.4; }
        .search-form input { flex-grow: 1; padding: 10px 15px; border: 1px solid #475569; border-radius: 25px 0 0 25px; background: #1e293b; color: #e2e8f0; }
        .search-form button { padding: 10px 20px; background: #3b82f6; border: none; border-radius: 0 25px 25px 0; color: white; cursor: pointer; transition: background 0.3s; }
        .search-form button:hover { background: #2563eb; }
        .hamburger { display: none; font-size: 1.8rem; background: none; border: none; color: #e2e8f0; cursor: pointer; }
        nav ul { display: flex; list-style: none; gap: 25px; }
        nav a { font-weight: 600; padding: 5px 10px; border-radius: 5px; }
        nav a:hover { background: rgba(59, 130, 246, 0.2); }
        .breadcrumb { padding: 10px 0; font-size: 0.9rem; color: #94a3b8; border-bottom: 1px solid #334155; }
        .breadcrumb a { color: #cbd5e1; }
        main { flex-grow: 1; padding: 30px 0; }
        article { background: rgba(30, 41, 59, 0.8); border-radius: 15px; padding: 30px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5); margin-bottom: 30px; }
        h1 { font-size: 3.2rem; margin-bottom: 20px; background: linear-gradient(90deg, #60a5fa, #a78bfa); -webkit-background-clip: text; -webkit-text-fill-color: transparent; text-align: center; }
        h2 { font-size: 2.2rem; margin: 40px 0 20px; color: #fbbf24; border-left: 5px solid #fbbf24; padding-left: 15px; }
        h3 { font-size: 1.8rem; margin: 30px 0 15px; color: #38bdf8; }
        h4 { font-size: 1.4rem; margin: 20px 0 10px; color: #34d399; }
        p { margin-bottom: 20px; text-align: justify; }
        .highlight { background: rgba(251, 191, 36, 0.1); border-left: 4px solid #fbbf24; padding: 15px; margin: 20px 0; border-radius: 0 10px 10px 0; }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .figure { margin: 30px auto; text-align: center; max-width: 800px; }
        .figure img { border-radius: 10px; border: 3px solid #475569; transition: transform 0.5s; }
        .figure img:hover { transform: scale(1.02); }
        .caption { font-style: italic; color: #94a3b8; margin-top: 10px; }
        .link-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 15px; margin: 30px 0; }
        .link-card { background: #1e293b; padding: 15px; border-radius: 10px; border: 1px solid #475569; transition: border-color 0.3s, transform 0.3s; }
        .link-card:hover { border-color: #60a5fa; transform: translateY(-5px); }
        .update-time { text-align: right; font-size: 0.9rem; color: #94a3b8; margin-top: 40px; }
        .interactive-section { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin: 40px 0; }
        .interactive-card { background: #1e293b; padding: 25px; border-radius: 15px; border: 2px solid #475569; }
        .interactive-card h3 { margin-top: 0; }
        form label { display: block; margin: 10px 0 5px; font-weight: bold; }
        form input, form textarea, form select { width: 100%; padding: 12px; border: 1px solid #475569; border-radius: 8px; background: #0f172a; color: #e2e8f0; margin-bottom: 15px; }
        form button { padding: 12px 25px; background: #10b981; border: none; border-radius: 8px; color: white; font-weight: bold; cursor: pointer; transition: background 0.3s; }
        form button:hover { background: #059669; }
        .rating { display: flex; gap: 10px; margin: 15px 0; }
        .rating input { display: none; }
        .rating label { font-size: 2rem; color: #475569; cursor: pointer; transition: color 0.3s; }
        .rating input:checked ~ label, .rating label:hover, .rating label:hover ~ label { color: #fbbf24; }
        footer { background: #0f172a; border-top: 2px solid #334155; padding: 40px 0 20px; margin-top: auto; }
        .friend-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 20px; margin-bottom: 30px; }
        friend-link { background: #1e293b; padding: 10px 20px; border-radius: 25px; border: 1px solid #475569; }
        .copyright { text-align: center; color: #94a3b8; font-size: 0.9rem; padding-top: 20px; border-top: 1px solid #334155; }
        @media (max-width: 768px) {
            .header-top { flex-wrap: wrap; }
            .search-form { order: 3; flex-grow: 1; margin-top: 15px; }
            .hamburger { display: block; }
            nav ul { display: none; flex-direction: column; width: 100%; background: rgba(15, 23, 42, 0.98); padding: 20px; position: absolute; top: 100%; left: 0; border-top: 1px solid #334155; }
            nav.active ul { display: flex; }
            h1 { font-size: 2.5rem; }
            h2 { font-size: 1.8rem; }
            .interactive-section { grid-template-columns: 1fr; }
        }