*, *::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;
            background: #0b0c10;
            color: #e8e8e8;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a { color: #66c2ff; text-decoration: none; transition: color 0.25s ease, transform 0.2s ease; }
        a:hover { color: #f5c518; transform: translateY(-1px); }
        img { max-width: 100%; height: auto; display: block; border-radius: 12px; }
        h1, h2, h3, h4 { font-weight: 600; letter-spacing: -0.01em; line-height: 1.3; color: #f0f0f0; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        header {
            background: linear-gradient(145deg, #12121c 0%, #1a1a2e 100%);
            padding: 18px 0;
            border-bottom: 2px solid #2a2a4a;
            position: sticky; top: 0; z-index: 1000;
            backdrop-filter: blur(8px);
            box-shadow: 0 4px 30px rgba(0,0,0,0.6);
        }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            flex-wrap: wrap; gap: 14px;
        }
        .my-logo {
            font-size: 1.9rem; font-weight: 700; color: #f5c518;
            display: flex; align-items: center; gap: 10px;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f5c518, #f0a500);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo i { font-size: 2rem; color: #f5c518; -webkit-text-fill-color: #f5c518; }
        .my-logo small { font-size: 0.6rem; font-weight: 400; color: #aaa; -webkit-text-fill-color: #aaa; display: block; }
        nav { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
        nav a {
            padding: 8px 16px; border-radius: 40px; font-size: 0.9rem; font-weight: 500;
            color: #ccc; transition: all 0.25s ease; position: relative;
        }
        nav a:hover { background: #2a2a4a; color: #f5c518; }
        .hamburger { display: none; background: none; border: none; color: #f0f0f0; font-size: 1.8rem; cursor: pointer; padding: 4px 10px; border-radius: 8px; }
        .hamburger:hover { background: #2a2a4a; }
        .breadcrumb {
            background: #15161e; padding: 12px 0; border-bottom: 1px solid #2a2a4a;
            font-size: 0.85rem; color: #aaa;
        }
        .breadcrumb a { color: #88ccff; }
        .breadcrumb a:hover { color: #f5c518; }
        .breadcrumb span { color: #f5c518; }
        .search-wrap {
            margin: 28px 0 32px; display: flex; justify-content: center;
        }
        .search-form {
            display: flex; width: 100%; max-width: 580px; border-radius: 60px;
            overflow: hidden; background: #1e1e30; border: 1px solid #333;
            transition: border-color 0.3s;
        }
        .search-form:focus-within { border-color: #f5c518; }
        .search-form input {
            flex: 1; padding: 14px 22px; border: none; background: transparent;
            color: #f0f0f0; font-size: 1rem; outline: none;
        }
        .search-form input::placeholder { color: #777; }
        .search-form button {
            padding: 14px 28px; background: #f5c518; border: none; color: #0b0c10;
            font-weight: 600; cursor: pointer; transition: background 0.25s;
            font-size: 1rem; display: flex; align-items: center; gap: 8px;
        }
        .search-form button:hover { background: #e0b014; }
        .featured-img-wrap {
            margin: 20px 0 40px; border-radius: 16px; overflow: hidden;
            box-shadow: 0 20px 50px rgba(0,0,0,0.7);
        }
        .featured-img-wrap img { width: 100%; max-height: 480px; object-fit: cover; border-radius: 16px; }
        .content { padding: 20px 0 50px; }
        .content h1 { font-size: 2.8rem; margin-bottom: 0.5rem; color: #f5c518; }
        .content h2 { font-size: 2rem; margin: 2.2rem 0 1rem; padding-bottom: 8px; border-bottom: 2px solid #2a2a4a; color: #f0f0f0; }
        .content h3 { font-size: 1.5rem; margin: 1.8rem 0 0.8rem; color: #ddddff; }
        .content h4 { font-size: 1.2rem; margin: 1.2rem 0 0.6rem; color: #bbbbee; }
        .content p { margin-bottom: 1.2rem; font-size: 1.05rem; color: #d0d0d0; }
        .content .lead { font-size: 1.2rem; color: #eaeaea; background: #18182a; padding: 20px 24px; border-radius: 16px; border-left: 4px solid #f5c518; margin-bottom: 2rem; }
        .content ul, .content ol { margin: 0.8rem 0 1.5rem 1.8rem; color: #d0d0d0; }
        .content li { margin-bottom: 0.5rem; }
        .content strong { color: #f5c518; font-weight: 600; }
        .content .highlight-box {
            background: #18182a; border-radius: 16px; padding: 24px 28px; margin: 1.8rem 0;
            border: 1px solid #2a2a4a; box-shadow: 0 8px 24px rgba(0,0,0,0.4);
        }
        .content .highlight-box i { color: #f5c518; margin-right: 10px; }
        .data-grid {
            display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px; margin: 2rem 0;
        }
        .data-card {
            background: #18182a; border-radius: 16px; padding: 24px; text-align: center;
            border: 1px solid #2a2a4a; transition: transform 0.3s, box-shadow 0.3s;
        }
        .data-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(0,0,0,0.5); }
        .data-card .num { font-size: 2.2rem; font-weight: 700; color: #f5c518; }
        .data-card .label { font-size: 0.9rem; color: #aaa; margin-top: 4px; }
        .interact-grid {
            display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin: 3rem 0;
        }
        .interact-card {
            background: #18182a; border-radius: 18px; padding: 28px; border: 1px solid #2a2a4a;
        }
        .interact-card h3 { margin-top: 0; font-size: 1.4rem; }
        .interact-card textarea, .interact-card input, .interact-card select {
            width: 100%; padding: 12px 16px; margin: 10px 0 14px; border-radius: 10px;
            border: 1px solid #333; background: #0f0f1a; color: #f0f0f0; font-size: 0.95rem;
            font-family: inherit; transition: border-color 0.3s;
        }
        .interact-card textarea:focus, .interact-card input:focus, .interact-card select:focus { border-color: #f5c518; outline: none; }
        .interact-card textarea { min-height: 100px; resize: vertical; }
        .interact-card .btn {
            padding: 12px 28px; background: #f5c518; border: none; border-radius: 40px;
            color: #0b0c10; font-weight: 600; cursor: pointer; transition: all 0.25s;
            font-size: 0.95rem; display: inline-flex; align-items: center; gap: 8px;
        }
        .interact-card .btn:hover { background: #e0b014; transform: scale(1.02); }
        .star-rating { display: flex; gap: 6px; margin: 10px 0 14px; font-size: 1.6rem; cursor: pointer; }
        .star-rating i { color: #444; transition: color 0.2s; }
        .star-rating i.active, .star-rating i:hover { color: #f5c518; }
        footer {
            background: #0f0f1a; border-top: 2px solid #2a2a4a; padding: 40px 0 30px;
            margin-top: 50px;
        }
        .footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
        .footer-inner h4 { font-size: 1.1rem; margin-bottom: 12px; color: #f5c518; }
        .footer-inner a { display: block; padding: 4px 0; font-size: 0.95rem; color: #aaa; }
        .footer-inner a:hover { color: #f5c518; }
        .copyright { text-align: center; margin-top: 40px; padding-top: 20px; border-top: 1px solid #222; color: #777; font-size: 0.85rem; }
        friend-link {
            display: block; margin-top: 20px;
        }
        friend-link a {
            display: inline-block; margin: 4px 12px 4px 0; padding: 6px 16px;
            background: #1e1e30; border-radius: 40px; font-size: 0.9rem; color: #ccc;
            transition: background 0.25s, color 0.25s;
        }
        friend-link a:hover { background: #f5c518; color: #0b0c10; }
        @media (max-width: 992px) {
            .content h1 { font-size: 2.2rem; }
            .interact-grid { grid-template-columns: 1fr; }
            .footer-inner { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .header-inner { flex-direction: column; align-items: stretch; }
            .my-logo { justify-content: center; text-align: center; }
            nav { display: none; flex-direction: column; width: 100%; margin-top: 10px; gap: 2px; }
            nav.open { display: flex; }
            nav a { padding: 12px 20px; border-radius: 8px; border-bottom: 1px solid #2a2a4a; }
            .hamburger { display: block; align-self: flex-end; }
            .content h1 { font-size: 1.8rem; }
            .content h2 { font-size: 1.5rem; }
            .content h3 { font-size: 1.2rem; }
            .data-grid { grid-template-columns: 1fr 1fr; }
            .footer-inner { grid-template-columns: 1fr; gap: 30px; }
            .search-form { flex-direction: column; border-radius: 20px; }
            .search-form input { width: 100%; border-radius: 20px 20px 0 0; }
            .search-form button { width: 100%; border-radius: 0 0 20px 20px; justify-content: center; }
        }
        @media (max-width: 480px) {
            .data-grid { grid-template-columns: 1fr; }
            .content h1 { font-size: 1.5rem; }
        }
        .toc {
            background: #18182a; border-radius: 16px; padding: 24px 28px; margin: 2rem 0;
            border: 1px solid #2a2a4a;
        }
        .toc h3 { margin: 0 0 12px; font-size: 1.2rem; }
        .toc ol { margin: 0; padding-left: 1.2rem; }
        .toc li { margin-bottom: 6px; }
        .toc a { color: #88ccff; }
        .toc a:hover { color: #f5c518; }
        .last-updated {
            display: inline-block; background: #1e1e30; padding: 6px 18px; border-radius: 40px;
            font-size: 0.85rem; color: #aaa; margin-bottom: 20px;
        }
        .emoji-lg { font-size: 1.8rem; vertical-align: middle; }
        .inline-icon { margin-right: 6px; color: #f5c518; }
        hr { border: none; border-top: 1px solid #2a2a4a; margin: 2.5rem 0; }
        .back-to-top { position: fixed; bottom: 30px; right: 30px; background: #f5c518; color: #0b0c10; width: 50px; height: 50px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; box-shadow: 0 8px 24px rgba(0,0,0,0.6); transition: transform 0.3s; z-index: 999; }
        .back-to-top:hover { transform: translateY(-4px); background: #e0b014; color: #0b0c10; }