body {
        margin: 0;
        font-family: 'Pretendard', sans-serif;
        background: #fff;
    }

    .topbar {
        display: flex;
        justify-content: center;
        border-bottom: 1px solid #a7a7a7;
        padding: 30px 120px;
    }

    .topbar-content {
        width: 100%;
        max-width: 1200px;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    #logo {
        height: 40px;
    }

    .menus {
        display: flex;
        gap: 20px;
        align-items: center;
        font-size: 16px;
        font-weight: 500;
    }

    .menus .menu {
        cursor: pointer;
    }

    .menus .menu:hover {
        color: #007bff;
    }
    .mdisabled {
        pointer-events: none;
        /* ⛔ 클릭 방지 */
        position: relative;
        opacity: 0.7;
        /* 시각적으로 흐릿하게 */
    }
    .mactive {
        color: #007bff;
        font-weight: bold;
    }

    /* K타자왕 관리 메뉴 특별 스타일 */
    .ktaja-admin {
        background: linear-gradient(135deg, #ff6b00, #ff8512);
        color: white !important;
        padding: 8px 16px;
        border-radius: 20px;
        font-weight: 600;
        transition: all 0.3s ease;
        box-shadow: 0 2px 8px rgba(255, 107, 0, 0.3);
    }

    .ktaja-admin:hover {
        background: linear-gradient(135deg, #ff8512, #ffa300) !important;
        color: white !important;
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(255, 107, 0, 0.4);
    }

    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 40px 20px;
    }

    .top-section {
        display: flex;
        justify-content: space-between;
        align-items: center;
        background-color: #e7f5fd;
        padding: 40px;
        border-radius: 20px;
        margin-top: 40px;
        margin-bottom: 60px;
    }

    .top-text {
        max-width: 600px;
    }

    .top-text h2 {
        font-size: 28px;
        font-weight: 700;
        color: #333;
        margin-bottom: 20px;
    }

    .top-text ul {
        padding-left: 20px;
        color: #ff6b00;
        font-size: 16px;
    }

    .top-image {
        width: 200px;
        height: 200px;
        background-color: #ccc;
        border-radius: 16px;
        background-image: url('/static/img/iqi/mock_main_illustration.png');
        background-size: cover;
        background-position: center;
    }

    .card-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
        gap: 16px;
        margin-top: 40px;
    }

    .card {
        position: relative;
        border-radius: 20px;
        padding: 40px 28px;
        /* ⬅ 더 넓은 내부 여백 */
        color: white;
        overflow: hidden;
        background-repeat: no-repeat;
        background-position: bottom right;
        background-size: 100px auto;
        transition: transform 0.2s ease;
        min-height: 344px;
        min-width: 282px;
        /* ⬅ 카드 높이 확장 */
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    .card:hover {
        transform: translateY(-6px);
    }

    .card-icon-img {
        width: 42px;
        height: 42px;
        margin-bottom: 16px;
    }

    .card-title {
        font-size: 20px;
        font-weight: 700;
        line-height: 1.4;
    }

    .card-desc {
        font-size: 14px;
        opacity: 0.95;
        margin-top: auto;
    }

    /* 카드 색상 예시 */
    .card.blue {
        background-color: #009BFF;
    }

    .card.sky {
        background-color: #00CFFF;
    }

    .card.orange {
        background-color: #fb8712;
    }

    .card.orange-dark {
        background-color: #FFA300;
    }


    /* 배경 overlay 이미지 */
    .korean-card {
        background-image: url('/static/img/iqi/bg_g.png');
        background-repeat: no-repeat;
        background-position: right bottom;
        background-size: 270px auto;
    }

    .english-card {
        background-image: url('/static/img/iqi/bg_a.png');
        background-repeat: no-repeat;
        background-position: right bottom;
        background-size: 270px auto;
    }


    .korean-exam-card {
        background-image: url('/static/img/iqi/bg_k.png');
        background-repeat: no-repeat;
        background-position: right bottom;
        background-size: 270px auto;
    }

    .english-exam-card {
        background-image: url('/static/img/iqi/bg_ke.png');
        background-repeat: no-repeat;
        background-position: right bottom;
        background-size: 270px auto;
    }



    .blue {
        background-color: #00aaff;
    }

    .sky {
        background-color: #00cfff;
    }

    .orange {
        background-color: #ff8000;
    }

    .orange-dark {
        background-color: #ff6600;
    }

    @media (max-width: 768px) {
        .top-section {
            flex-direction: column;
            gap: 20px;
            padding: 30px 20px;
        }

        .top-image {
            width: 150px;
            height: 150px;
        }

        .top-text h2 {
            font-size: 20px;
        }

        .card {
            padding: 28px 20px;
            min-height: 240px;
        }

        .card-title {
            font-size: 18px;
        }

        .card-desc {
            font-size: 13px;
        }

        .card-icon-img {
            width: 36px;
            height: 36px;
        }


        .topbar {
            padding: 20px;
        }

        .menus {
            flex-wrap: wrap;
            gap: 12px;
            font-size: 14px;
        }

        /* 모바일에서 K타자왕 관리 버튼 크기 조정 */
        .ktaja-admin {
            padding: 6px 12px;
            font-size: 13px;
        }
    }

    .mock-intro-section {
        position: relative;
        background-color: #e7f5fd;
        background-image: url('/static/img/iqi/mock_bg_pattern.png');
        /* 도형 배경 */
        background-size: cover;
        background-repeat: no-repeat;
        border-radius: 24px;
        padding: 64px 48px;
        overflow: hidden;
    }

    .mock-intro-content {
        max-width: 680px;
        position: relative;
        z-index: 2;
    }

    .badge {
        display: inline-block;
        border: 1px solid #ff6b00;
        color: #ff6b00;
        background: #fff8f2;
        font-size: 14px;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 16px;
        margin-bottom: 12px;
    }

    .mock-intro-section h2 {
        font-size: 28px;
        font-weight: 700;
        color: #111;
        margin: 16px 0;
    }

    .mock-list {
        list-style: none;
        padding-left: 0;
        font-size: 16px;
        color: #333;
        line-height: 1.6;
    }

    .mock-list li::before {
        content: '✔';
        color: #ff6b00;
        margin-right: 8px;
    }

    .highlight {
        color: #ff6b00;
        font-weight: bold;
    }

    /* 👇 키보드 일러스트를 우측 하단에 배치 */
    .mock-bg-image {
        position: absolute;
        bottom: 0;
        right: 0;
        max-width: 400px;
        height: auto;
        z-index: 1;
        pointer-events: none;
        /* 클릭 막힘 방지 */
    }


    .card.disabled {
        pointer-events: none;
        /* ⛔ 클릭 방지 */
        position: relative;
        opacity: 0.7;
        /* 시각적으로 흐릿하게 */
    }

    .card-overlay {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(0, 0, 0, 0.5);
        /* 반투명 블랙 오버레이 */
        color: white;
        font-size: 20px;
        font-weight: bold;
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 10;
        border-radius: 20px;
    }