* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 100%);
            color: #f0f0f0;
            line-height: 1.8;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #00d9ff;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #ff00ff;
            transform: translateY(-2px);
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 8px 24px rgba(0, 217, 255, 0.3);
        }
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(10, 10, 20, 0.95);
            padding: 20px 0;
            border-bottom: 3px solid #00d9ff;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, #00d9ff, #ff00ff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 10px rgba(0, 217, 255, 0.5);
        }
        .logo a:hover {
            transform: scale(1.05);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .desktop-nav a {
            font-size: 1.1rem;
            font-weight: 600;
            padding: 10px 15px;
            border-radius: 8px;
            background: rgba(0, 217, 255, 0.1);
        }
        .desktop-nav a:hover {
            background: rgba(255, 0, 255, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 2rem;
            cursor: pointer;
            color: #00d9ff;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: rgba(10, 10, 20, 0.98);
            padding: 20px;
            border-radius: 12px;
            margin-top: 20px;
            border: 2px solid #00d9ff;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin: 15px 0;
        }
        .mobile-nav a {
            display: block;
            padding: 12px;
            background: rgba(0, 217, 255, 0.1);
            border-radius: 8px;
            text-align: center;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.95rem;
            color: #aaa;
        }
        .breadcrumb a {
            color: #aaa;
        }
        .breadcrumb a:hover {
            color: #00d9ff;
        }
        main {
            padding: 40px 0;
        }
        article {
            background: rgba(20, 20, 35, 0.8);
            padding: 40px;
            border-radius: 20px;
            border: 2px solid #00d9ff;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.7);
            margin-bottom: 40px;
        }
        h1 {
            font-size: 3.5rem;
            margin-bottom: 25px;
            background: linear-gradient(90deg, #00d9ff, #ff00ff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-align: center;
        }
        h2 {
            font-size: 2.5rem;
            margin: 40px 0 20px;
            color: #00d9ff;
            border-left: 6px solid #ff00ff;
            padding-left: 15px;
        }
        h3 {
            font-size: 1.8rem;
            margin: 30px 0 15px;
            color: #ff00ff;
        }
        p {
            margin-bottom: 25px;
            font-size: 1.2rem;
            text-align: justify;
        }
        .highlight {
            background: rgba(0, 217, 255, 0.15);
            padding: 20px;
            border-radius: 12px;
            border-left: 5px solid #ff00ff;
            margin: 25px 0;
        }
        .emoji {
            font-size: 1.5rem;
            margin-right: 10px;
        }
        .bold {
            font-weight: 900;
            color: #00d9ff;
        }
        .tier-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin: 40px 0;
        }
        .tier-card {
            background: rgba(30, 30, 50, 0.9);
            padding: 25px;
            border-radius: 15px;
            border: 2px solid;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .tier-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(255, 0, 255, 0.4);
        }
        .tier-s {
            border-color: #ffd700;
            color: #ffd700;
        }
        .tier-a {
            border-color: #00ff00;
            color: #00ff00;
        }
        .tier-b {
            border-color: #00bfff;
            color: #00bfff;
        }
        .tier-c {
            border-color: #ff8c00;
            color: #ff8c00;
        }
        .tier-d {
            border-color: #ff4444;
            color: #ff4444;
        }
        .form-section {
            background: rgba(10, 10, 20, 0.9);
            padding: 30px;
            border-radius: 15px;
            margin: 40px 0;
            border: 2px solid #00d9ff;
        }
        .form-section h3 {
            text-align: center;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 600px;
            margin: 0 auto;
        }
        input, textarea, select {
            padding: 15px;
            border-radius: 10px;
            border: 2px solid #00d9ff;
            background: rgba(30, 30, 50, 0.8);
            color: #fff;
            font-size: 1rem;
            transition: border-color 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #ff00ff;
        }
        button {
            padding: 15px 30px;
            background: linear-gradient(90deg, #00d9ff, #ff00ff);
            color: white;
            border: none;
            border-radius: 10px;
            font-size: 1.2rem;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        button:hover {
            transform: scale(1.05);
            box-shadow: 0 8px 20px rgba(255, 0, 255, 0.6);
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 15px;
            font-size: 2rem;
            color: #ffd700;
            cursor: pointer;
        }
        .stars i:hover {
            transform: scale(1.3);
        }
        .longtail-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 50px 0 30px;
        }
        .web-link {
            background: rgba(0, 217, 255, 0.1);
            padding: 20px;
            border-radius: 10px;
            text-align: center;
            transition: background 0.3s ease;
        }
        .web-link:hover {
            background: rgba(255, 0, 255, 0.2);
        }
        footer {
            text-align: center;
            padding: 30px 0;
            border-top: 2px solid #00d9ff;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 1024px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2.2rem; }
            .desktop-nav { display: none; }
            .hamburger { display: block; }
        }
        @media (max-width: 768px) {
            .container { width: 95%; padding: 0 10px; }
            article { padding: 25px; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            p { font-size: 1rem; }
            .tier-list { grid-template-columns: 1fr; }
            .longtail-links { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 480px) {
            .longtail-links { grid-template-columns: 1fr; }
            .form-section { padding: 20px; }
        }