.edu52_problem-row {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    height: 65px;
    font-size: 20px;
    font-family: 'Outfit', 'Inter', 'Noto Sans KR', sans-serif;
    width: 100%;
    grid-column: 1 / -1;
}

.edu52_box-teal {
    border: 2px solid #3b82f6;
    /* 소프트 블루 */
    border-radius: 10px;
    background-color: #f8fafc;
    box-shadow: 0 2px 4px rgba(59, 130, 246, 0.1);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 65px;
    box-sizing: border-box;
    padding: 0 5px;
}

.edu52_box-teal-right {
    border: 2px solid #8b5cf6;
    /* 매력적인 보라색 */
    border-radius: 10px;
    background-color: #f8fafc;
    box-shadow: 0 2px 4px rgba(139, 92, 246, 0.1);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 90px;
    box-sizing: border-box;
    padding: 0;
    overflow: hidden;
}

.edu52_box-red {
    border: 2px solid #e2e8f0;
    /* 깔끔한 연회색 */
    border-radius: 10px;
    background-color: #ffffff;
    height: 100%;
    display: flex;
    flex: 1;
    margin: 0 12px;
    box-sizing: border-box;
    position: relative;
}

.edu52_box-red::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    border-top: 1px dashed #cbd5e1;
    z-index: 1;
}

.edu52_slot {
    flex: 1;
    border-right: 1px solid #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.edu52_slot:last-child {
    border-right: none;
}

.edu52_plus {
    position: absolute;
    right: -9px;
    top: 50%;
    transform: translateY(-50%);
    background: #ffffff;
    font-size: 16px;
    z-index: 10;
    color: #94a3b8;
    line-height: 1;
    padding: 4px;
}

.edu52_fraction {
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.15;
    background: transparent;
    padding: 2px 0;
}

.edu52_left-fraction .edu52_numerator,
.edu52_left-fraction .edu52_denominator {
    color: #1e293b;
    font-weight: 600;
}

.edu52_numerator {
    border-bottom: 2px solid #1e293b !important;
    padding: 2px 6px;
    width: 100%;
    text-align: center;
    box-sizing: border-box;
}

.edu52_ans-fraction .edu52_numerator {
    border-bottom: 2px solid #64748b !important;
    color: #64748b;
}

.edu52_ans-fraction .edu52_denominator {
    color: #64748b;
}

.edu52_denominator {
    padding: 2px 6px;
    width: 100%;
    text-align: center;
    box-sizing: border-box;
    color: #1e293b;
    font-weight: 600;
}

.edu52_equals {
    font-size: 22px;
    margin: 0 4px;
    color: #64748b;
    font-weight: 500;
}

.edu52_mixed-whole {
    font-size: 26px;
    width: 40px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    box-sizing: border-box;
    font-weight: 700;
    color: #1e293b;
    background-color: #f1f5f9;
    border-right: 2px dashed #cbd5e1;
}

.edu52_mixed-fraction {
    display: flex;
    flex-direction: column;
    width: 46px;
    height: 100%;
    justify-content: center;
    line-height: 1.1;
    align-items: center;
    font-weight: 600;
    background-color: #ffffff;
}

.edu52_box-teal-right .edu52_numerator {
    border-bottom: 2px solid #1e293b !important;
    color: #1e293b;
}

.edu52_box-teal-right .edu52_denominator {
    color: #1e293b;
}

.edu52_small-one {
    position: absolute;
    bottom: -24px;
    font-size: 13px;
    color: #dc2626;
    /* 눈에 띄는 빨간색 */
    width: 60%;
    left: 20%;
    /* 분수 중앙 정렬에 맞게 넓이 조정 */
    text-align: center;
    font-weight: 700;
    border-top: 1.5px solid #cbd5e1;
    /* 위에 살짝 선을 그어줌 */
    padding-top: 4px;
}

.edu52_ans-text {
    color: #f43f5e !important;
    /* 화사하고 예쁜 장미빛 핑크/빨강 */
}

/* ======================================================== */
/* 1773065472 (이미지 둥근 박스 및 라인 연결스타일) */
/* ======================================================== */
.w1773065472_row {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    height: 90px;
    font-size: 19px;
    font-family: 'Outfit', 'Inter', 'Noto Sans KR', sans-serif;
    width: calc(50% - 20px);
    border: 2px dashed #cbd5e1;
    /* 각 문제를 확실하게 구분짓는 점선 테두리 */
    border-radius: 16px;
    background-color: #f8fafc;
    /* 연한 배경색으로 독립된 문제 영역 강조 */
    padding: 0 10px;
    box-sizing: border-box;
    position: relative;
}

.w1773065472_box {
    background-color: #fff;
    border-radius: 12px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    padding: 0 10px;
}

.w1773065472_left {
    border: 2px solid #ec4899;
    /* pink/red */
    width: 70px;
}

.w1773065472_mid {
    border: 2px solid #f472b6;
    /* lighter pink */
    width: 130px;
    margin: 0 5px;
}

.w1773065472_right {
    border: 2px solid #3b82f6;
    margin-left: 5px;
    /* blue */
    width: 80px;
}

.w1773065472_connector {
    width: 20px;
    height: 1.5px;
    background-color: #f472b6;
    position: relative;
    z-index: 1;
    margin: 0 -2px;
}

.w1773065472_connector::after {
    content: '';
    position: absolute;
    right: -2px;
    top: -3px;
    width: 6px;
    height: 6px;
    border-top: 1.5px solid #f472b6;
    border-right: 1.5px solid #f472b6;
    transform: rotate(45deg);
    background: transparent;
    z-index: 3;
    border-radius: 0;
}

.w1773065472_fraction {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    line-height: 1.15;
    color: #1e293b;
    font-weight: 600;
}

.w1773065472_num {
    border-bottom: 1.5px solid #1e293b;
    padding: 2px 4px;
    text-align: center;
    min-width: 15px;
}

.w1773065472_den {
    padding: 2px 4px;
    text-align: center;
    min-width: 15px;
}

.w1773065472_empty_frac {
    width: 25px;
    height: 45px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.w1773065472_empty_frac .w1773065472_num {
    border-bottom: 1.5px solid #cbd5e1;
}

.w1773065472_empty_whole {
    width: 25px;
    height: 35px;

    margin-right: 5px;
}

.w1773065472_plus {
    margin: 0 8px;
    color: #64748b;
    font-size: 18px;
}

.w1773065472_whole {
    font-size: 24px;
    margin-right: 4px;
    font-weight: 700;
    color: #1e293b;
}

.w1773065472_ans-border {
    border-color: #f43f5e !important;
}