body {
    margin: 0;
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    height: 100vh;
    background-color: #f5f5f5;
}

.header {
    text-align: center;
    padding: 15px;
    background-color: #fff;
    color: #333;
    font-size: 24px;
    font-weight: bolder;
}

.background-image {
    height: 25vh;
    background-image: url('./img/bunner.png');
    background-size: cover;
    background-position: center;
}

.buttons {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.button-row {
    display: flex;
    justify-content: center;
    gap: 5px;
}

.button {
    background-image: url('./img/normal.png');
    background-size: cover;
    background-position: center;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    padding: 0;
    width: 17.5vh;
    height: 19.5vh;
    background-repeat: no-repeat;
    transition: background-image 0.3s;
}

.button .corner-image {
    height: 2.5vh;
    width: 10.5vh;
    background-image: url('./img/discount.png');
    background-size: cover;
    background-position: left;
    background-repeat: no-repeat;
}

.coin-show {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 80%;
    padding: 10px;
    position: relative;
}

.coin-image1 {
    position: absolute; /* 绝对定位 */
    max-width: 6vh; 
    margin-bottom: 10.5vh;
}
.coin-image2 {
    position: absolute; /* 绝对定位 */
    max-width: 7vh; 
    margin-bottom: 10.5vh;
}
.coin-image3 {
    position: absolute; /* 绝对定位 */
    max-width: 8vh; 
    margin-bottom: 10.5vh;
}
.coin-image4 {
    position: absolute; /* 绝对定位 */
    max-width: 9vh; 
    margin-bottom: 10.5vh;
}
.coin-image5 {
    position: absolute; /* 绝对定位 */
    max-width: 11vh; 
    margin-bottom: 10.5vh;
}
.coin-image6 {
    position: absolute; /* 绝对定位 */
    max-width: 12vh; 
    margin-bottom: 10.5vh;
}

.text {
    position: absolute;
    font-size: 20px;
    color: #C5853A;
    margin-bottom: 10px;
    font-weight: bolder;
    margin-top: 3.5vh;
}

.amount {
    position: absolute;
    font-size: 16px;
    color: #3E2E00;
    font-weight: bolder;
    margin-top: 9vh;
}

.amount-input-container {
    text-align: center;
    margin-top: 5px;
    width: 99%;
    height: 13vh;
    font-weight: bolder;
}

.amount-input {
    padding: 10px;
    font-size: 18px;
    border: 1px solid #ccc;
    border-radius: 5px;
    width: 92%;
    background-color: #F2EFE5;
}

.amount-input::placeholder {
    color: #333;
    font-weight: bolder;
    font-size: 14px;
}

.submit-div {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.submit-button {
    width: 98%;
    margin-bottom: 3vh;
    height: 6vh;
    background-image: url('./img/confirm.png');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    padding: 0;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}