body { 
    font-family: Arial, sans-serif; 
    /*display: flex; 
    justify-content: center; 
    padding: 20px;*/ 
}


.topic-6 {
    width: 100%;
    max-width: 900px;
    margin: 0 auto; 
    /*display: flex;
    flex-direction: column;
    align-items: flex-start;*/ 
}

.headline1 {
    color: rgb(252, 139, 31);
    font-size: 28px;
    text-align: left;
    margin-bottom: 10px; 
    width: 100%; 
}

.card {
    background: #ffffff;
    border-radius: 6px;
    padding: 34px 82px; 
    gap: 14px;
    display: flex; 
    flex-direction: column;
    width: 100%; 
    box-sizing: border-box; 
    box-shadow: 0px 4px 8px 0px rgba(246, 246, 246, 1);
    backdrop-filter: blur(5px);
    margin: 20px 0; 
    border: 1px solid #f0f0f0;
}

.input-table { 
    width: 100%; 
    border-collapse: collapse; 
    margin-bottom: 15px; }

.input-table td { 
    padding: 7px; 
    font-size: 14px;
    vertical-align: middle; }

.input-table td:last-child {
    text-align: center; 
    vertical-align: middle; 
}

.input-val { 
    padding: 6px;
    border: 1px solid #ccc;
    border-radius: 4px;
    outline: none;
    text-align: center; 
    width: 85px; 
    height: 22px; }

.input-title { 
    color: #233E83;
    font-weight: bold;
    margin-bottom: 20px;
    width: 100%; }

.btn-container { 
    text-align: center; 
    margin: 10px 0; }

button { 
    background-color: #1A3A8A;
    color: white;
    border: none; 
    border-radius: 8px; 
    padding: 10px 45px; 
    cursor: pointer; 
    font-weight: bold; 
    border-radius: 3px; 
    font-size: 16px;
    transition: background 0.3s;
    align-items: center }

button:hover {
    background-color: #0d255f;}

.chart-box {   
    background-color: #fffde7; 
    border: 1px solid #999; 
    position: relative; 
    width: 450px; 
    height: 350px; 
    margin: 0 auto; }

canvas { 
    display: block; }

.note-23 { 
    font-size: 12px; 
    margin-top: 14px; 
    gap: 7px;
    color: #33383D;
    }

.ref { 
    font-size: 11px; 
    color: #888; 
    font-style: italic; 
    line-height: 1.3; }
 

    .topic-6::before {
    content: "";
    position: fixed;        
    
    right: -150px;           
    bottom: -50px;          
    
    width: 850px;            
    height: 650px;           
    
    background-image: url("圖片_BH\ curve.png");
    background-size: contain;
    background-position: bottom right;
    background-repeat: no-repeat;
    
    opacity: 0.08;           
    
    z-index: 0;              
    pointer-events: none;    
    user-select: none;
}

.card {
    background-color: #ffffff !important;
    position: relative;
    z-index: 2;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05); 
}

@media (max-width: 1300px) {
    .topic-6::before {
        display: none;       
    }
}