.kjcc-container {
    background: #f5f5f5;
    border: 1px solid #ccc;
    padding: 20px;
    border-radius: 12px;
    max-width: 30vw;
    box-shadow: inset 0 2px 5px rgba(0,0,0,0.1);
}
.kjcc-switch {
    display: flex;
    background: #e0e0e0;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.2);
}
.kjcc-switch input { display: none; }
.kjcc-switch label {
    flex: 1;
    text-align: center;
    padding: 10px 0;
    cursor: pointer;
    color: #666;
    user-select: none;
    transition: background 0.3s;
}
.kjcc-switch input:checked + label {
    background: #283F50;
    color: #fff;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.3);
}
.kjcc-field {
    margin-top: 20px;
}
.kjcc-label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: bold;
}
.kjcc-input {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 25px;
    box-sizing: border-box;
    box-shadow: inset 0 2px 5px rgba(0,0,0,0.1);
    font-size: 16px;
}
.kjcc-round {
    margin-top: 20px;
    font-size: 14px;
    color: #333;
}
.kjcc-round-buttons {
    display: flex;
    margin-top: 8px;
}
.kjcc-round-buttons button {
    flex: 1;
    margin-right: 6px;
    padding: 8px 0;
    border: none;
    border-radius: 20px;
    background: #fff;
    cursor: pointer;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
    transition: background 0.2s;
    font-size: 14px;
}
.kjcc-round-buttons button.active,
.kjcc-round-buttons button:hover {
    background: #283F50;
    color: #fff;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.3);
}
.kjcc-round-buttons button:last-child { margin-right: 0; }
.kjcc-btn {
    display: inline-flex;
    align-items: center;
    margin-top: 20px;
    padding: 12px 24px;
    background: #8e99a2;
    color: #fff;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    font-size: 16px;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.2);
    transition: transform 0.1s;
}
.kjcc-btn:active {
    transform: scale(0.98);
}
.kjcc-icon {
    margin-right: 10px;
}
.kjcc-result {
    margin-top: 20px;
    font-size: 16px;
    color: #333;
    min-height: 24px;
    text-align: center;
    padding: 10px;
    font-weight: 700;
    background-color: #283F50 ;
    color: #fff;
    border-radius: 12px;
}