/* ====== 页面样式 ====== */
.calculator-container {
    margin: 30px 30px;
}
.calculator-container .data-frame {
    width: 600px;
    background-color: #ffffff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.calculator-container .title {
    text-align: center;
    color: var(--text-primary-colour);
    margin-bottom: 30px;
}
.calculator-container .wrapper {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 120px;
}
.calculator-container .help-image img {
    width: 240px;
}
.calculator-container .input-container,
.calculator-container .select-container {
    margin-bottom: 20px;
}
.calculator-container label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary-colour);
    font-weight: 500;
}
.calculator-container input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #dce4ec;
    border-radius: 8px;
    font-size: medium;
    color: var(--text-primary-colour);
    outline: none;
    transition: border-color 0.3s ease;
}
.calculator-container input:focus {
    border-color: var(--btn-bg-safe);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}
.calculator-container select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #dce4ec;
    border-radius: 8px;
    font-size: medium;
    color: var(--text-primary-colour);
    outline: none;
    background-color: #ffffff;
    transition: border-color 0.3s ease;
}
.calculator-container select:focus {
    border-color: var(--btn-bg-safe);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}
.calculator-container .calculate-btn {
    width: 100%;
    padding: 14px;
    background-color: var(--btn-bg-safe);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: large;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-bottom: 30px;
}
.calculator-container .calculate-btn:hover {
    background-color: var(--btn-bg-safe-hover);
}
.calculator-container .clear-btn {
    width: 100%;
    padding: 14px;
    background-color: var(--btn-bg-danger);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: large;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-bottom: 30px;
}
.calculator-container .clear-btn:hover {
    background-color: var(--btn-bg-danger-hover);
}
.calculator-container .result-container {
    padding: 20px;
    background-color: var(--data-frame-bg);
    border-radius: 8px;
    border: var(--data-frame-border);
}
.calculator-container .result-container .title {
    font-size: medium;
    color: var(--text-primary-colour);
    margin-bottom: 15px;
    font-weight: 500;
}
.calculator-container .result-container .content p {
    margin-bottom: 12px;
    font-size: medium;
    color: var(--text-primary-colour);
}
.calculator-container .result-container .content span {
    font-weight: 700;
    color: #e74c3c;
    margin-left: 8px;
}
.calculator-container .formula-tip {
    margin-top: 20px;
    font-size: medium;
    color: var(--text-tertiary-colour);
    text-align: center;
}
/* ====== end 页面样式 ====== */