* { 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: #e0e0e0;
            background: #0d1117;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a { color: #58a6ff; text-decoration: none; transition: all 0.3s ease; }
        a:hover { color: #1f6feb; text-shadow: 0 0 8px rgba(88, 166, 255, 0.4); }
        img { max-width: 100%; height: auto; display: block; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .site-header {
            background: linear-gradient(135deg, #161b22 0%, #0d1117 100%);
            padding: 1rem 0;
            border-bottom: 2px solid #238636;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #58a6ff, #238636);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.5px;
        }
        .logo a:hover { opacity: 0.9; }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) { .nav-desktop { display: none; } }
        .nav-desktop a {
            color: #c9d1d9;
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .nav-desktop a:hover, .nav-desktop a.active {
            color: #58a6ff;
            border-bottom-color: #58a6ff;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #c9d1d9;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 768px) { .hamburger { display: block; } }
        .nav-mobile {
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100vh;
            background: #161b22;
            padding: 4rem 2rem 2rem;
            transition: right 0.4s ease;
            z-index: 999;
            border-left: 2px solid #30363d;
            overflow-y: auto;
        }
        .nav-mobile.active { right: 0; }
        .nav-mobile a {
            display: block;
            color: #c9d1d9;
            padding: 1rem 0;
            border-bottom: 1px solid #30363d;
            font-weight: 600;
        }
        .nav-mobile a:hover { color: #58a6ff; padding-left: 10px; }
        .close-menu {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: none;
            border: none;
            color: #8b949e;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #161b22;
            border-bottom: 1px solid #21262d;
            font-size: 0.9rem;
        }
        .breadcrumb a { color: #8b949e; }
        .breadcrumb a:hover { color: #58a6ff; }
        .breadcrumb span { color: #c9d1d9; }
        .hero {
            padding: 3rem 0;
            text-align: center;
            background: radial-gradient(circle at center, #1c2128 0%, #0d1117 100%);
            border-bottom: 1px solid #30363d;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 1rem;
            background: linear-gradient(90deg, #58a6ff, #238636);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero p {
            font-size: 1.2rem;
            color: #8b949e;
            max-width: 800px;
            margin: 0 auto 2rem;
        }
        .content-area {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 3rem 0;
        }
        @media (max-width: 992px) { .content-area { grid-template-columns: 1fr; } }
        .main-content { font-size: 1.1rem; }
        .main-content h2 {
            font-size: 2.2rem;
            margin: 2.5rem 0 1.5rem;
            color: #58a6ff;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #30363d;
        }
        .main-content h3 {
            font-size: 1.7rem;
            margin: 2rem 0 1rem;
            color: #238636;
        }
        .main-content p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(88, 166, 255, 0.1), rgba(35, 134, 54, 0.1));
            border-left: 4px solid #58a6ff;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .main-content img {
            width: 100%;
            border-radius: 12px;
            margin: 2.5rem auto;
            border: 2px solid #30363d;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }
        .quote {
            font-style: italic;
            font-size: 1.3rem;
            color: #8b949e;
            text-align: center;
            padding: 2rem;
            border-top: 2px solid #30363d;
            border-bottom: 2px solid #30363d;
            margin: 3rem 0;
        }
        .tooltip {
            position: relative;
            display: inline-block;
            border-bottom: 1px dashed #58a6ff;
            cursor: help;
        }
        .tooltip-text {
            visibility: hidden;
            width: 280px;
            background-color: #161b22;
            color: #c9d1d9;
            text-align: center;
            border-radius: 6px;
            padding: 10px;
            position: absolute;
            z-index: 1;
            bottom: 125%;
            left: 50%;
            margin-left: -140px;
            opacity: 0;
            transition: opacity 0.3s;
            border: 1px solid #30363d;
            font-size: 0.9rem;
        }
        .tooltip:hover .tooltip-text {
            visibility: visible;
            opacity: 1;
        }
        .sidebar {
            background: #161b22;
            padding: 2rem;
            border-radius: 12px;
            border: 1px solid #30363d;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar h3 {
            color: #58a6ff;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #30363d;
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .search-box, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px;
            background: #0d1117;
            border: 1px solid #30363d;
            border-radius: 6px;
            color: #c9d1d9;
            font-size: 1rem;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #58a6ff;
            box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.2);
        }
        button, .btn {
            background: linear-gradient(90deg, #238636, #58a6ff);
            color: white;
            border: none;
            padding: 14px 24px;
            border-radius: 6px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s;
            text-align: center;
        }
        button:hover, .btn:hover {
            opacity: 0.9;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(88, 166, 255, 0.3);
        }
        .stars {
            display: flex;
            gap: 5px;
            justify-content: center;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: #30363d;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover, .star.active { color: #ffd700; }
        .longtail-section {
            background: #161b22;
            padding: 3rem 0;
            border-top: 2px solid #30363d;
            border-bottom: 2px solid #30363d;
            margin-top: 3rem;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.2rem;
        }
        .web-link {
            background: #0d1117;
            padding: 1.2rem;
            border-radius: 8px;
            border-left: 4px solid #58a6ff;
            transition: transform 0.3s, background 0.3s;
        }
        .web-link:hover {
            transform: translateX(10px);
            background: #1c2128;
        }
        .site-footer {
            background: #0d1117;
            padding: 3rem 0 1.5rem;
            border-top: 2px solid #238636;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-col { flex: 1; min-width: 250px; }
        .footer-col h4 {
            color: #58a6ff;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-col ul { list-style: none; }
        .footer-col li { margin-bottom: 0.8rem; }
        .footer-col a { color: #8b949e; }
        .footer-col a:hover { color: #58a6ff; }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #30363d;
            color: #8b949e;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hero h1 { font-size: 2.5rem; }
            .main-content h2 { font-size: 1.9rem; }
            .main-content h3 { font-size: 1.5rem; }
            .content-area { gap: 2rem; }
        }