/* 美客多定价计算器 */
.calc-page {
    background: var(--color-bg-alt);
    padding: 96px 0 56px;
    min-height: calc(100vh - 64px);
}

.calc-header {
    text-align: center;
    margin-bottom: 32px;
}

.calc-title {
    font-size: 30px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.calc-subtitle {
    color: var(--color-text-secondary);
    font-size: 15px;
}

.calc-layout {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 24px;
    align-items: start;
}

.card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: 0 4px 18px rgba(15, 23, 42, .04);
}

.calc-block-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 22px;
    padding-left: 10px;
    border-left: 3px solid var(--color-accent);
}

/* 表单 */
.field {
    margin-bottom: 18px;
}

.field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.field label {
    display: block;
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: 7px;
}

.field-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.field-hint {
    margin: 7px 0 0;
    font-size: 12px;
    color: var(--color-text-light);
    line-height: 1.5;
}

.input-wrap {
    display: flex;
    align-items: center;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    transition: border-color var(--transition), box-shadow var(--transition);
    overflow: hidden;
}

.input-wrap:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.input-wrap input {
    flex: 1;
    border: none;
    outline: none;
    padding: 11px 12px;
    font-size: 14px;
    color: var(--color-text);
    background: transparent;
    width: 100%;
    min-width: 0;
}

.input-prefix,
.input-suffix {
    padding: 0 12px;
    font-size: 13px;
    color: var(--color-text-light);
    background: var(--color-bg-alt);
    align-self: stretch;
    display: flex;
    align-items: center;
}

.input-prefix {
    border-right: 1px solid var(--color-border);
}

.input-suffix {
    border-left: 1px solid var(--color-border);
}

.input-wrap select {
    flex: 1;
    border: none;
    outline: none;
    padding: 11px 12px;
    font-size: 14px;
    color: var(--color-text);
    background: transparent;
    width: 100%;
    min-width: 0;
    cursor: pointer;
}

/* 反推售价 */
.calc-divider {
    border: none;
    border-top: 1px dashed var(--color-border);
    margin: 6px 0 24px;
}

.reverse-block {
    margin-top: 2px;
}

.btn-reverse {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--color-accent);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity var(--transition);
}

.btn-reverse:hover {
    opacity: .9;
}

.field-hint.warn {
    color: #b45309;
}

/* 站点选择 */
.country-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
}

.country-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 12px 6px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    cursor: pointer;
    transition: all var(--transition);
}

.country-btn:hover {
    border-color: var(--color-primary);
}

.country-btn.active {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.country-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text);
}

.country-cur {
    font-size: 11px;
    color: var(--color-text-light);
}

.country-btn.active .country-name,
.country-btn.active .country-cur {
    color: var(--color-primary);
}

/* 自动开关 */
.switch {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 12px;
    color: var(--color-text-secondary);
    user-select: none;
}

.switch input {
    width: 15px;
    height: 15px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

/* 结果 */
.calc-result {
    position: sticky;
    top: 84px;
}

.result-hero {
    text-align: center;
    padding: 22px 16px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--color-primary) 0%, #2c4f73 100%);
    color: #fff;
    margin-bottom: 22px;
}

.result-hero-label {
    font-size: 13px;
    opacity: .85;
    margin-bottom: 8px;
}

.result-hero-value {
    font-size: 34px;
    font-weight: 700;
    line-height: 1.1;
    word-break: break-all;
}

.result-hero-value.positive { color: #fff; }
.result-hero-value.negative { color: #ffd2d2; }

.result-hero-rate {
    margin-top: 8px;
    font-size: 14px;
    opacity: .9;
}

.result-hero-rate.positive { color: #c8f5d4; }
.result-hero-rate.negative { color: #ffd2d2; }

.result-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.result-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 2px;
    border-bottom: 1px dashed var(--color-border);
    font-size: 13px;
}

.result-list li:last-child {
    border-bottom: none;
}

.rl-label {
    color: var(--color-text-secondary);
}

.rl-value {
    font-weight: 600;
    color: var(--color-text);
}

.result-note {
    margin-top: 18px;
    padding: 12px 14px;
    background: var(--color-bg-alt);
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.calc-tip {
    margin-top: 24px;
    padding: 16px 18px;
    background: var(--color-primary-light);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--color-primary-dark);
    line-height: 1.7;
}

.calc-footer {
    background: var(--color-bg-dark);
    color: rgba(255, 255, 255, .7);
    padding: 22px 0;
    text-align: center;
    font-size: 13px;
}

@media (max-width: 860px) {
    .calc-layout {
        grid-template-columns: 1fr;
    }
    .calc-result {
        position: static;
    }
    .country-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .calc-page { padding-top: 72px; }
}

@media (max-width: 520px) {
    .field-row {
        grid-template-columns: 1fr;
    }
    .country-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .calc-title {
        font-size: 24px;
    }
    .card { padding: 20px 16px; }
    .calc-page { padding-top: 56px; }
    .calc-subtitle { font-size: 13px; }
    .result-hero-value { font-size: 28px; }
    .country-btn { padding: 10px 4px; }
    .country-name { font-size: 12px; }
    .country-cur { font-size: 10px; }
    .calc-tip { font-size: 12px; padding: 12px 14px; }
}