.pbx-calc-wrap { max-width: 640px; margin: 2rem auto; }
.pbx-calc-box { border: 1px solid #e0e0e0; border-radius: 12px; padding: 24px; background: #fafafa; }
.pbx-calc-title { font-size: 1.3rem; font-weight: 700; margin-bottom: 6px; }
.pbx-calc-sub { color: #666; margin-bottom: 18px; font-size: 0.95rem; }
.pbx-option { display: flex; align-items: center; gap: 10px; border: 2px solid #ddd; border-radius: 8px;
padding: 14px 16px; margin-bottom: 10px; cursor: pointer; font-weight: 400;
transition: border-color .15s, background .15s; }
.pbx-option:hover { border-color: #bbb; }
.pbx-option input { margin: 0; flex: 0 0 auto; }
.pbx-option.selected { border-color: #2271b1; background: #eaf3fb; }
.pbx-option .label { font-weight: 600; flex: 1 1 auto; }
.pbx-option .price { flex: 0 0 auto; text-align: right; color: #2271b1; font-weight: 700; line-height: 1.3; }
.pbx-option .price small { display: block; color: #666; font-weight: 400; font-size: .8rem; }
.pbx-option.project .price { font-size: .9rem; }
.pbx-included { margin: 18px 0 8px; padding: 14px 16px 14px 16px; background: #fff; border-radius: 8px;
font-size: .92rem; list-style: none; }
.pbx-included li { margin: 0 0 4px; }
.pbx-note { color: #666; font-size: .85rem; margin: 0 0 6px; }
.pbx-total-box { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 6px;
background: #2271b1; color: #fff; padding: 16px 20px; border-radius: 8px; margin-top: 14px; }
.pbx-total-box .amount { font-size: 1.6rem; font-weight: 800; text-align: right; }
.pbx-total-box .avg { flex: 1 0 100%; text-align: right; font-size: .85rem; opacity: .9; }
.pbx-cta-btn { display: block; width: 100%; margin-top: 16px; padding: 14px; border: none; border-radius: 8px;
background: #2bd9b5; color: #fff; font-size: 1.05rem; font-weight: 700; cursor: pointer; }
.pbx-cta-btn:hover { background: #22ad91; }
.pbx-quote-form-section { margin-top: 30px; display: none; }
@media (max-width: 480px) {
.pbx-calc-box { padding: 16px; }
.pbx-option { padding: 12px; }
.pbx-total-box .amount { font-size: 1.35rem; }
}