body {
            font-family: 'Segoe UI', Arial, Helvetica, sans-serif;
            margin: 0;
            background: #181a1b;
            color: #f5f6fa;
        }
        header {
            background: #23272a;
            padding: 24px 0 16px 0;
            text-align: center;
        }
        header img {
            height: 60px;
            vertical-align: middle;
        }
        header h1 {
            display: inline-block;
            margin: 0 0 0 15px;
            font-size: 2.2rem;
            vertical-align: middle;
            color: #ff6600;
            letter-spacing: 2px;
        }
        nav {
            background: #2c2f33;
            padding: 10px 0;
            text-align: center;
        }
        nav a {
            color: #ff6600;
            margin: 0 18px;
            text-decoration: none;
            font-weight: bold;
            font-size: 1.08rem;
            transition: color 0.2s;
        }
        nav a:hover {
            color: #ffd580;
        }
        main {
            max-width: 1100px;
            margin: 30px auto;
            padding: 22px;
            background: #222326;
            border-radius: 10px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.13);
        }
        .bflix-img {
            display: block;
            margin: 30px auto 20px auto;
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.20);
        }
        .center-btn {
            display: flex;
            justify-content: center;
            margin: 18px 0 36px 0;
        }
        .center-btn a {
            background: #ff6600;
            color: #fff;
            padding: 15px 38px;
            border-radius: 30px;
            font-size: 1.3rem;
            font-weight: bold;
            text-decoration: none;
            box-shadow: 0 2px 8px rgba(0,0,0,0.12);
            transition: background 0.2s;
        }
        .center-btn a:hover {
            background: #ff8533;
        }
        h2 {
            color: #ff6600;
            margin-top: 42px;
        }
        h3 {
            color: #ffd580;
        }
        ul, ol {
            margin-left: 24px;
        }
        footer {
            background: #23272a;
            color: #fff;
            text-align: center;
            padding: 30px 10px 15px 10px;
            margin-top: 40px;
            border-top: 3px solid #ff6600;
        }
        @media (max-width: 700px) {
            main {
                padding: 10px;
            }
            header h1 {
                font-size: 1.2rem;
            }
            .center-btn a {
                font-size: 1rem;
                padding: 10px 18px;
            }
        }