*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #0b0e14;
            color: #c8d0d8;
            line-height: 1.75;
            font-size: 16px;
        }
        a {
            color: #00d4ff;
            text-decoration: none;
            transition: color .3s;
        }
        a:hover {
            color: #ffcc00;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(180deg, #0f1420 0%, #0b0e14 100%);
            border-bottom: 3px solid #ff0044;
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-flex {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 900;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #ff0044, #ffcc00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 0 30px rgba(255, 0, 68, .3);
            display: inline-block;
            font-family: 'Arial Black', sans-serif;
        }
        .my-logo:hover {
            -webkit-text-fill-color: #ffcc00;
        }
        .nav-menu {
            display: flex;
            gap: 8px;
            list-style: none;
            flex-wrap: wrap;
        }
        .nav-menu li a {
            padding: 8px 14px;
            border-radius: 6px;
            font-weight: 600;
            font-size: .9rem;
            background: rgba(255, 255, 255, .04);
            transition: background .3s, color .3s;
        }
        .nav-menu li a:hover {
            background: #ff0044;
            color: #fff;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 28px;
            color: #e6edf3;
            cursor: pointer;
        }
        .breadcrumb {
            background: #0f1420;
            padding: 10px 0;
            font-size: .85rem;
            border-bottom: 1px solid #1c2333;
        }
        .breadcrumb ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb li::before {
            content: '›';
            margin: 0 6px;
            color: #556;
        }
        .breadcrumb li:first-child::before {
            content: none;
        }
        .hero {
            background: radial-gradient(ellipse at 30% 30%, #1a1035 0%, #0b0e14 70%);
            padding: 70px 0 50px;
            text-align: center;
            border-bottom: 2px solid #1c2333;
            position: relative;
            overflow: hidden;
        }
        .hero h1 {
            font-size: clamp(2rem, 5vw, 3.5rem);
            color: #fff;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 15px;
            text-shadow: 0 0 40px rgba(0, 212, 255, .3);
        }
        .hero h1 span {
            color: #ff0044;
        }
        .hero p {
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto 20px;
            color: #9aa7b8;
        }
        .hero .btn-group {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
            margin-top: 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 30px;
            border-radius: 6px;
            font-weight: 700;
            transition: transform .2s, box-shadow .2s;
        }
        .btn-primary {
            background: #ff0044;
            color: #fff;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 20px rgba(255, 0, 68, .4);
        }
        .btn-outline {
            border: 2px solid #00d4ff;
            color: #00d4ff;
        }
        .btn-outline:hover {
            background: #00d4ff;
            color: #0b0e14;
        }
        .section {
            padding: 60px 0;
            border-bottom: 1px solid #1c2333;
        }
        .section-alt {
            background: #0d1117;
        }
        .section-title {
            font-size: 2rem;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 15px;
        }
        .section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, #ff0044, #ffcc00);
            border-radius: 2px;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: #9aa7b8;
            margin-bottom: 30px;
        }
        h3 {
            font-size: 1.5rem;
            color: #ffcc00;
            margin: 40px 0 10px;
        }
        h4 {
            font-size: 1.2rem;
            color: #00d4ff;
            margin: 25px 0 8px;
        }
        p {
            margin-bottom: 15px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        @media(max-width:768px) {
            .grid-2,
            .grid-3 {
                grid-template-columns: 1fr;
            }
        }
        .card {
            background: #161b22;
            border-radius: 10px;
            padding: 25px;
            border: 1px solid #1c2333;
            transition: transform .2s, border-color .2s;
        }
        .card:hover {
            transform: translateY(-4px);
            border-color: #ff0044;
        }
        .card-icon {
            font-size: 32px;
            margin-bottom: 12px;
            color: #ffcc00;
        }
        .featured-img {
            width: 100%;
            border-radius: 12px;
            margin: 30px 0;
            border: 3px solid #1c2333;
        }
        figure {
            margin: 30px 0;
        }
        figcaption {
            font-size: .85rem;
            color: #8b98a9;
            text-align: center;
            margin-top: 8px;
            font-style: italic;
        }
        ul.check-list {
            list-style: none;
            padding: 0;
        }
        ul.check-list li {
            padding: 6px 0 6px 30px;
            position: relative;
        }
        ul.check-list li::before {
            content: '✔';
            position: absolute;
            left: 0;
            color: #ffcc00;
            font-weight: bold;
        }
        blockquote {
            border-left: 4px solid #ff0044;
            background: #161b22;
            padding: 20px 25px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
            font-style: italic;
            color: #b0bcc9;
        }
        blockquote cite {
            display: block;
            margin-top: 10px;
            font-size: .9rem;
            color: #ffcc00;
            font-style: normal;
            font-weight: 600;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 25px 0;
            font-size: .95rem;
        }
        th {
            background: #1c2333;
            color: #ffcc00;
            padding: 12px;
            text-align: left;
            font-weight: 700;
        }
        td {
            padding: 10px 12px;
            border-bottom: 1px solid #1c2333;
        }
        tr:hover td {
            background: rgba(255, 255, 255, .02);
        }
        .form-card {
            background: #161b22;
            border-radius: 12px;
            padding: 30px;
            border: 1px solid #1c2333;
            margin: 30px 0;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 6px;
            color: #e6edf3;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px;
            border: 1px solid #2d333b;
            border-radius: 6px;
            background: #0d1117;
            color: #e6edf3;
            font-size: 1rem;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: #00d4ff;
        }
        .btn-submit {
            background: linear-gradient(90deg, #ff0044, #ff2d55);
            color: #fff;
            padding: 12px 40px;
            border: none;
            border-radius: 6px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: transform .2s;
        }
        .btn-submit:hover {
            transform: scale(1.05);
        }
        .rating-stars {
            font-size: 30px;
            color: #ffcc00;
            cursor: pointer;
            letter-spacing: 8px;
        }
        .faq-item {
            background: #161b22;
            border-radius: 10px;
            padding: 20px 25px;
            margin-bottom: 15px;
            border: 1px solid #1c2333;
        }
        .faq-item summary {
            font-weight: 700;
            color: #ffcc00;
            cursor: pointer;
            font-size: 1.1rem;
        }
        .faq-item p {
            margin-top: 10px;
        }
        .site-footer {
            background: #080b0f;
            padding: 40px 0 20px;
            border-top: 3px solid #ff0044;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .site-footer h4 {
            color: #ffcc00;
            margin-bottom: 15px;
        }
        friend-link {
            display: block;
            padding: 15px;
            background: #161b22;
            border-radius: 10px;
            margin: 20px 0;
            border: 1px solid #1c2333;
        }
        friend-link a {
            margin: 0 12px 8px 0;
            display: inline-block;
            font-size: .9rem;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #1c2333;
            font-size: .85rem;
            color: #7d8590;
        }
        @media(max-width:768px) {
            .header-flex {
                flex-direction: column;
                gap: 10px;
                align-items: flex-start;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 10px 0;
            }
            .nav-menu.active {
                display: flex;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 15px;
                right: 20px;
            }
            .nav-menu li a {
                display: block;
                padding: 12px;
            }
            .hero {
                padding: 40px 0;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.3rem;
            }
        }
        @media(max-width:480px) {
            body {
                font-size: 15px;
            }
            .grid-2,
            .grid-3 {
                gap: 15px;
            }
        }