* { 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, #0a2e38 0%, #1a1a2e 100%);
            color: #f0f0f0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #4dc3ff; text-decoration: none; transition: color 0.3s ease, transform 0.2s ease; }
        a:hover { color: #ffcc00; transform: translateY(-2px); }
        img { max-width: 100%; height: auto; display: block; border-radius: 8px; }
        .container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 20px; }
        .text-center { text-align: center; }
        .bold { font-weight: 800; color: #ffcc00; }
        .highlight { background-color: rgba(255, 204, 0, 0.15); padding: 2px 6px; border-radius: 4px; }
        .section-padding { padding: 60px 0; }
        .visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
        .site-header {
            background: rgba(10, 25, 35, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid #ffcc00;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.5rem;
            background: linear-gradient(to right, #ffcc00, #ff6600);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        .my-logo:hover { transform: scale(1.05); }
        .main-nav ul { display: flex; list-style: none; gap: 30px; }
        .main-nav a {
            color: #ccc;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav a:hover { background: rgba(255, 204, 0, 0.1); color: #ffcc00; }
        .hamburger { display: none; font-size: 1.8rem; cursor: pointer; color: #ffcc00; background: none; border: none; }
        .breadcrumb {
            padding: 15px 0;
            background: rgba(30, 40, 50, 0.7);
            font-size: 0.9rem;
        }
        .breadcrumb ol { display: flex; list-style: none; flex-wrap: wrap; gap: 10px; }
        .breadcrumb li:not(:last-child)::after { content: '›'; margin-left: 10px; color: #ffcc00; }
        .breadcrumb a { color: #aad; }
        .hero {
            background: radial-gradient(circle at top right, rgba(77, 195, 255, 0.1), transparent 60%),
                        radial-gradient(circle at bottom left, rgba(255, 102, 0, 0.1), transparent 60%);
            padding: 80px 0;
            text-align: center;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            background: linear-gradient(90deg, #ffcc00, #ff6600);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 30px;
            color: #ccc;
        }
        .search-box {
            max-width: 600px;
            margin: 40px auto;
            background: rgba(255,255,255,0.05);
            padding: 25px;
            border-radius: 15px;
            border: 1px solid rgba(255,204,0,0.3);
        }
        .search-box form {
            display: flex;
            gap: 10px;
        }
        .search-box input {
            flex: 1;
            padding: 15px 20px;
            border: 2px solid #4dc3ff;
            border-radius: 50px;
            background: rgba(10, 20, 30, 0.8);
            color: #fff;
            font-size: 1rem;
        }
        .search-box button {
            padding: 15px 30px;
            background: linear-gradient(90deg, #4dc3ff, #2a8fd6);
            color: white;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            font-weight: bold;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-box button:hover { background: linear-gradient(90deg, #2a8fd6, #1a6ca0); transform: scale(1.05); }
        .main-content {
            flex: 1;
            padding: 40px 0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        article {
            background: rgba(20, 30, 40, 0.7);
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            border: 1px solid rgba(255, 204, 0, 0.1);
        }
        article h2 {
            font-size: 2.2rem;
            color: #4dc3ff;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid rgba(255, 204, 0, 0.5);
        }
        article h3 {
            font-size: 1.8rem;
            color: #ffcc00;
            margin: 30px 0 15px;
        }
        article h4 {
            font-size: 1.4rem;
            color: #aad;
            margin: 25px 0 10px;
        }
        article p {
            margin-bottom: 25px;
            font-size: 1.1rem;
            text-align: justify;
        }
        article emoji { font-size: 1.2em; margin-right: 5px; }
        .feature-img {
            width: 80%;
            margin: 30px auto;
            border: 3px solid #ffcc00;
            box-shadow: 0 10px 20px rgba(255, 204, 0, 0.2);
        }
        .update-time {
            text-align: right;
            font-style: italic;
            color: #aaa;
            border-top: 1px dashed #555;
            padding-top: 20px;
            margin-top: 40px;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .widget {
            background: rgba(20, 30, 40, 0.7);
            padding: 25px;
            border-radius: 15px;
            border-left: 5px solid #ff6600;
        }
        .widget h3 { color: #ffcc00; margin-bottom: 20px; font-size: 1.5rem; }
        .related-links ul { list-style: none; }
        .related-links li { margin-bottom: 12px; padding-left: 20px; position: relative; }
        .related-links li::before { content: '▶'; position: absolute; left: 0; color: #4dc3ff; font-size: 0.8rem; }
        .interactive-widget form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .interactive-widget textarea, .interactive-widget select, .interactive-widget input {
            padding: 15px;
            border-radius: 10px;
            border: 1px solid #555;
            background: rgba(10, 20, 30, 0.8);
            color: #fff;
            font-size: 1rem;
            width: 100%;
        }
        .interactive-widget button {
            padding: 15px;
            background: linear-gradient(90deg, #ff6600, #cc5200);
            color: white;
            border: none;
            border-radius: 10px;
            cursor: pointer;
            font-weight: bold;
            transition: all 0.3s;
        }
        .interactive-widget button:hover { background: linear-gradient(90deg, #cc5200, #a34100); }
        .star-rating { display: flex; justify-content: center; gap: 10px; font-size: 2rem; cursor: pointer; }
        .star-rating .star { color: #555; transition: color 0.2s; }
        .star-rating .star:hover, .star-rating .star.active { color: #ffcc00; }
        .site-footer {
            background: #0a1520;
            padding: 50px 0 20px;
            margin-top: 60px;
            border-top: 3px solid #ffcc00;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo .my-logo { font-size: 2rem; }
        friend-link {
            display: block;
            padding: 10px 15px;
            background: rgba(255,255,255,0.05);
            margin-bottom: 10px;
            border-radius: 8px;
            border-left: 4px solid #4dc3ff;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #333;
            color: #888;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .content-grid { grid-template-columns: 1fr; }
            .hero h1 { font-size: 2.5rem; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(10, 25, 35, 0.98);
                padding: 20px;
                border-top: 1px solid #ffcc00;
            }
            .main-nav.active ul { display: flex; }
            .hero h1 { font-size: 2rem; }
            .hero p { font-size: 1.1rem; }
            article { padding: 25px; }
            article h2 { font-size: 1.8rem; }
        }