* { margin: 0; padding: 0; box-sizing: border-box; }
        body { 
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif; 
            line-height: 1.7; 
            color: #e0e0e0; 
            background: #0d0d0d; 
            background-image: radial-gradient(circle at 20% 30%, #1a1a1a 0%, #0a0a0a 100%);
            min-height: 100vh;
        }
        a { color: #f39c12; text-decoration: none; transition: all 0.3s ease; }
        a:hover { color: #ff6b6b; text-shadow: 0 0 8px rgba(243, 156, 18, 0.5); }
        .container { 
            max-width: 1200px; 
            margin: 0 auto; 
            padding: 0 20px; 
        }
        header { 
            background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%); 
            padding: 1rem 0; 
            border-bottom: 3px solid #f39c12;
            box-shadow: 0 4px 12px rgba(0,0,0,0.7);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content { 
            display: flex; 
            justify-content: space-between; 
            align-items: center; 
            flex-wrap: wrap;
        }
        .logo.my-logo a { 
            font-size: 2.2rem; 
            font-weight: 900; 
            background: linear-gradient(90deg, #f39c12, #e74c3c); 
            -webkit-background-clip: text; 
            background-clip: text; 
            color: transparent; 
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo.my-logo a:hover { transform: scale(1.02); }
        .logo.my-logo i { font-size: 1.8rem; color: #f39c12; }
        nav { display: flex; align-items: center; }
        .nav-links { 
            display: flex; 
            list-style: none; 
            gap: 1.5rem; 
        }
        .nav-links a { 
            font-weight: 600; 
            padding: 0.5rem 0.8rem; 
            border-radius: 4px; 
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .nav-links a:hover { background: rgba(243, 156, 18, 0.1); }
        .hamburger { 
            display: none; 
            font-size: 1.8rem; 
            cursor: pointer; 
            color: #f39c12; 
            padding: 0.5rem;
        }
        .breadcrumb { 
            padding: 1rem 0; 
            font-size: 0.9rem; 
            color: #aaa; 
            border-bottom: 1px solid #333;
            margin-bottom: 2rem;
        }
        .breadcrumb a { color: #f39c12; }
        .breadcrumb span { color: #777; }
        main { padding: 2rem 0; }
        article { 
            background: rgba(30, 30, 30, 0.9); 
            border-radius: 12px; 
            padding: 2.5rem; 
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            border: 1px solid #444;
        }
        h1 { 
            font-size: 3.2rem; 
            color: #f39c12; 
            margin-bottom: 1rem; 
            text-align: center;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
            line-height: 1.2;
        }
        h1::after { 
            content: ''; 
            display: block; 
            width: 100px; 
            height: 4px; 
            background: linear-gradient(90deg, #f39c12, #e74c3c); 
            margin: 1rem auto; 
            border-radius: 2px;
        }
        h2 { 
            font-size: 2.2rem; 
            color: #ff6b6b; 
            margin: 2.5rem 0 1rem; 
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #333;
        }
        h3 { 
            font-size: 1.8rem; 
            color: #3498db; 
            margin: 2rem 0 0.8rem; 
        }
        h4 { 
            font-size: 1.4rem; 
            color: #1abc9c; 
            margin: 1.5rem 0 0.6rem; 
        }
        p { 
            margin-bottom: 1.2rem; 
            text-align: justify; 
            font-size: 1.1rem;
            color: #cccccc;
        }
        strong { color: #f39c12; font-weight: 700; }
        em { color: #aaa; font-style: italic; }
        .update-time { 
            text-align: center; 
            color: #777; 
            font-size: 0.95rem; 
            margin-bottom: 2rem;
            padding: 0.5rem;
            background: rgba(52, 152, 219, 0.1);
            border-radius: 6px;
        }
        .featured-img { 
            width: 100%; 
            max-width: 900px; 
            margin: 2rem auto; 
            border-radius: 10px; 
            overflow: hidden;
            border: 3px solid #444;
            box-shadow: 0 8px 20px rgba(0,0,0,0.6);
            transition: transform 0.4s ease;
        }
        .featured-img:hover { transform: scale(1.01); }
        .featured-img img { width: 100%; height: auto; display: block; }
        .img-caption { 
            text-align: center; 
            font-size: 0.9rem; 
            color: #999; 
            margin-top: 0.5rem; 
        }
        .interactive-section { 
            display: grid; 
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); 
            gap: 2rem; 
            margin: 3rem 0; 
        }
        .interactive-box { 
            background: rgba(40, 40, 40, 0.8); 
            padding: 1.5rem; 
            border-radius: 10px; 
            border-left: 4px solid #f39c12;
            transition: all 0.3s ease;
        }
        .interactive-box:hover { 
            background: rgba(50, 50, 50, 0.9); 
            transform: translateY(-5px); 
            box-shadow: 0 10px 20px rgba(0,0,0,0.3);
        }
        .interactive-box h3 { margin-top: 0; color: #f39c12; }
        .interactive-box form { display: flex; flex-direction: column; gap: 1rem; }
        .interactive-box input, .interactive-box textarea, .interactive-box select { 
            padding: 0.8rem; 
            border: 1px solid #555; 
            border-radius: 6px; 
            background: #222; 
            color: #fff; 
            font-size: 1rem;
        }
        .interactive-box button { 
            padding: 0.8rem; 
            background: linear-gradient(90deg, #f39c12, #e74c3c); 
            color: #fff; 
            border: none; 
            border-radius: 6px; 
            font-weight: bold; 
            cursor: pointer; 
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .interactive-box button:hover { background: linear-gradient(90deg, #e74c3c, #f39c12); transform: scale(1.03); }
        .internal-links { 
            margin: 3rem 0; 
            padding: 1.5rem; 
            background: rgba(26, 26, 26, 0.8); 
            border-radius: 10px; 
            border: 1px dashed #f39c12;
        }
        .internal-links h3 { text-align: center; color: #ff6b6b; }
        .internal-links ul { 
            list-style: none; 
            display: grid; 
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); 
            gap: 1rem; 
            margin-top: 1rem;
        }
        .internal-links li { 
            padding: 0.8rem; 
            background: rgba(255, 255, 255, 0.05); 
            border-radius: 6px; 
            transition: all 0.3s;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .internal-links li:hover { background: rgba(243, 156, 18, 0.2); transform: translateX(5px); }
        .internal-links li i { color: #f39c12; }
        footer { 
            background: linear-gradient(135deg, #1a1a1a 0%, #000 100%); 
            padding: 3rem 0 1.5rem; 
            margin-top: 4rem; 
            border-top: 3px solid #f39c12;
        }
        .footer-content { 
            display: flex; 
            flex-direction: column; 
            gap: 2rem; 
        }
        friend-link { 
            display: flex; 
            flex-wrap: wrap; 
            justify-content: center; 
            gap: 1rem; 
            padding: 1.5rem;
            background: rgba(255,255,255,0.03);
            border-radius: 10px;
        }
        friend-link a { 
            padding: 0.6rem 1.2rem; 
            background: rgba(243, 156, 18, 0.1); 
            border-radius: 20px; 
            border: 1px solid #f39c12;
            font-size: 0.9rem;
        }
        friend-link a:hover { background: rgba(243, 156, 18, 0.3); }
        .copyright { 
            text-align: center; 
            color: #777; 
            font-size: 0.9rem; 
            line-height: 1.6;
            padding-top: 1.5rem;
            border-top: 1px solid #333;
        }
        @media (max-width: 768px) {
            .header-content { flex-direction: column; align-items: flex-start; gap: 1rem; }
            .nav-links { 
                display: none; 
                flex-direction: column; 
                width: 100%; 
                background: rgba(30,30,30,0.95); 
                padding: 1rem; 
                border-radius: 8px;
                margin-top: 1rem;
            }
            .nav-links.active { display: flex; }
            .hamburger { display: block; }
            h1 { font-size: 2.5rem; }
            h2 { font-size: 1.9rem; }
            h3 { font-size: 1.5rem; }
            .interactive-section { grid-template-columns: 1fr; }
            .internal-links ul { grid-template-columns: 1fr; }
            article { padding: 1.5rem; }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        article, .interactive-box, .internal-links { animation: fadeIn 0.8s ease-out; }
        ::-webkit-scrollbar { width: 10px; }
        ::-webkit-scrollbar-track { background: #1a1a1a; }
        ::-webkit-scrollbar-thumb { background: #f39c12; border-radius: 5px; }
        ::-webkit-scrollbar-thumb:hover { background: #e74c3c; }