.pv-benefit-section {
  position: relative;
  overflow: hidden;
  background: #2e5ea7;
  padding: 80px 0;
  z-index: 1;
}

.pv-benefit-section::before {
  content: "";
  position: absolute;
  left: -8%;
  right: -58%;
  bottom: -120px;
  height: 70%;
  background: #1fb6ea;
  border-radius: 45% 45% 0 0 / 22% 22% 0 0;
  z-index: -2;
}

.pv-grid-overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.3;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.22) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.22) 1px, transparent 1px);
  background-size: 80px 80px, 80px 80px;
}

.pv-grid-overlay::before,
.pv-grid-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* 直向虛線段 */
.pv-grid-overlay::before {
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,0.42) 0 8px,
    transparent 8px 16px
  );
  background-size: 80px 80px;
  -webkit-mask-image: repeating-linear-gradient(
    to right,
    #000 0 1px,
    transparent 1px 80px
  );
  mask-image: repeating-linear-gradient(
    to right,
    #000 0 1px,
    transparent 1px 80px
  );
}

/* 橫向虛線段 */
.pv-grid-overlay::after {
  background-image: repeating-linear-gradient(
    to right,
    rgba(255,255,255,0.42) 0 8px,
    transparent 8px 16px
  );
  background-size: 80px 80px;
  -webkit-mask-image: repeating-linear-gradient(
    to bottom,
    #000 0 1px,
    transparent 1px 80px
  );
  mask-image: repeating-linear-gradient(
    to bottom,
    #000 0 1px,
    transparent 1px 80px
  );
}

.pv-benefit-wrap {
  max-width: 1200px;
  margin: 0 auto;
}

.section-title-wrap {
  margin-bottom: 36px;
}

.section-title-wrap .section-tag {
  display: inline-block;
  padding: 7px 16px;
  border-radius: 999px;
  background: #e8f1fb;
  color: #2f6fb3;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
  border: 1px solid #d4e5f7;
}

.section-title-wrap .section-title {
  font-size: 34px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 12px;
  line-height: 1.4;
}

.section-title-wrap .section-desc {
  max-width: 760px;
  margin: 0 auto;
  color: #ffffff;
  font-size: 16px;
  line-height: 1.9;
  opacity: 0.7;
}

.pv-card {
  background: #ffffff;
  border-radius: 22px;
  box-shadow: 0 12px 32px rgba(38, 76, 125, 0.08);
  padding: 32px 26px;
  border: 1px solid #dce8f5;
  height: 100%;
}

.pv-card-header {
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid #e7eef7;
}

.pv-card-header h3 {
  font-size: 24px;
  font-weight: 800;
  color: #1f3b63;
  margin-bottom: 8px;
  line-height: 1.5;
}

.pv-card-header p {
  margin-bottom: 0;
  color: #66768a;
  line-height: 1.8;
  font-size: 15px;
}

.pv-form-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.pv-form-item label {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: #2d4668;
  margin-bottom: 8px;
  line-height: 1.6;
}

.pv-input-group {
  display: flex;
  align-items: center;
  border: 1px solid #cfdff0;
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  transition: 0.2s ease;
}

.pv-input-group:focus-within {
  border-color: #6ea5dd;
  box-shadow: 0 0 0 4px rgba(110, 165, 221, 0.12);
}

.pv-input-group input {
  flex: 1;
  border: 0;
  outline: none;
  padding: 14px 16px;
  font-size: 16px;
  color: #1d3557;
  background: transparent;
}

.pv-input-group input::placeholder {
  color: #9aa9ba;
}

.pv-input-group .pv-unit {
  padding: 14px 16px;
  background: #f1f6fc;
  color: #2f6fb3;
  font-weight: 700;
  white-space: nowrap;
  border-left: 1px solid #d7e4f2;
}

.pv-form-item small {
  display: block;
  margin-top: 8px;
  color: #738296;
  line-height: 1.7;
  font-size: 13px;
}

.pv-readonly .pv-input-group {
  background: #f8fbff;
}

.pv-readonly .pv-input-group input {
  color: #2f6fb3;
  font-weight: 700;
}

.pv-action-group {
  display: flex;
  gap: 12px;
  margin-top: 26px;
  flex-wrap: wrap;
}

.btn-pv {
  border: 0;
  border-radius: 999px;
  padding: 13px 24px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: all 0.25s ease;
}

.btn-pv-primary {
  background: linear-gradient(135deg, #2f6fb3 0%, #4f8fd0 100%);
  color: #fff;
  box-shadow: 0 8px 20px rgba(47, 111, 179, 0.22);
  border: 2px solid #2f6fb3;
}

.btn-pv-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(47, 111, 179, 0.78);

}

.btn-pv-secondary {
  background: #eef4fb;
  color: #2f6fb3;
  border: 1px solid #d7e4f2;
}

.btn-pv-secondary:hover {
  background: #e5eef9;
}

/* 試算結果 */
.pv-result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.pv-result-item {
  background: #f8fbff;
  border: 1px solid #dce8f5;
  border-radius: 16px;
  padding: 18px 16px;
  transition: 0.2s ease;
}

.pv-result-item:hover {
  border-color: #bfd5ec;
  box-shadow: 0 6px 16px rgba(47, 111, 179, 0.06);
}

.pv-result-item.highlight {
  background: linear-gradient(180deg, #edf5ff 0%, #e4f0fd 100%);
  border-color: #c8ddf4;
}

.pv-result-label {
  display: block;
  font-size: 14px;
  color: #6a7b90;
  margin-bottom: 8px;
  line-height: 1.5;
}

.pv-result-item strong {
  display: block;
  font-size: 20px;
  font-weight: 800;
  color: #1f3b63;
  line-height: 1.4;
  word-break: break-word;
}

/* 黃色重點卡：淨現金流、回收年限 */
.pv-result-item.emphasis-yellow {
  background: linear-gradient(180deg, #fffaf0 0%, #fff3cf 100%);
  border: 1px solid #f1d37a;
  box-shadow: 0 10px 22px rgba(219, 177, 55, 0.15);
}

.pv-result-item.emphasis-yellow:hover {
  border-color: #e0be57;
  box-shadow: 0 12px 24px rgba(219, 177, 55, 0.2);
}

.pv-result-item.emphasis-yellow .pv-result-label {
  color: #8a6a12;
  font-weight: 700;
}

.pv-result-item.emphasis-yellow strong {
  color: #8b5e00;
  font-size: 28px;
}

/* 再強一點的主重點：回收年限 */
.pv-result-item.emphasis-yellow-strong {
  background: linear-gradient(135deg, #fff7db 0%, #ffe9a8 100%);
  border: 1px solid #e8bf45;
  box-shadow: 0 12px 28px rgba(221, 173, 36, 0.18);
  position: relative;
  overflow: hidden;
}

.pv-result-item.emphasis-yellow-strong::after {
  content: "";
  position: absolute;
  top: -18px;
  right: -18px;
  width: 72px;
  height: 72px;
  background: rgba(255, 255, 255, 0.28);
  border-radius: 50%;
}

.pv-result-item.emphasis-yellow-strong .pv-result-label {
  color: #7a5a07;
  font-weight: 800;
}

.pv-result-item.emphasis-yellow-strong strong {
  color: #7a4f00;
  font-size: 30px;
}

.pv-note-box {
  background: #f9fbfe;
  border: 1px dashed #cbdced;
  border-radius: 16px;
  padding: 18px;
}

.pv-note-box h4 {
  font-size: 16px;
  font-weight: 800;
  color: #24476f;
  margin-bottom: 10px;
}

.pv-note-box ul {
  margin-bottom: 0;
  padding-left: 10px;
  color: #66768a;
  line-height: 1.9;
}

.pv-note-box li + li {
  margin-top: 6px;
}

/* 可選：小區塊標示 */
.pv-badge-hot {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 999px;
  background: #fff4cc;
  color: #8a6400;
  font-size: 12px;
  font-weight: 700;
  border: 1px solid #f1d37a;
  margin-bottom: 8px;
}

.pv-benefit-section .row {
  align-items: stretch;
}

@media (max-width: 991.98px) {
  .pv-benefit-section {
    padding: 60px 0;
  }

  .pv-card {
    padding: 28px 22px;
  }

  .section-title-wrap .section-title {
    font-size: 30px;
  }
}

@media (max-width: 767.98px) {
  .pv-benefit-section {
    padding: 46px 0;
  }

  .section-title-wrap {
    margin-bottom: 28px;
  }

  .section-title-wrap .section-tag {
    font-size: 13px;
    padding: 6px 14px;
  }

  .section-title-wrap .section-title {
    font-size: 26px;
    line-height: 1.45;
  }

  .section-title-wrap .section-desc {
    font-size: 15px;
    line-height: 1.8;
  }

  .pv-card {
    padding: 22px 18px;
    border-radius: 18px;
  }

  .pv-card-header h3 {
    font-size: 21px;
  }

  .pv-card-header p {
    font-size: 14px;
  }

  .pv-form-item label {
    font-size: 14px;
  }

  .pv-input-group input {
    font-size: 15px;
    padding: 13px 14px;
  }

  .pv-input-group .pv-unit {
    padding: 13px 14px;
    font-size: 14px;
  }

  .pv-result-grid {
    grid-template-columns: 1fr;
  }

  .pv-result-item strong,
  .pv-result-item.emphasis-yellow strong,
  .pv-result-item.emphasis-yellow-strong strong {
    font-size: 24px;
  }

  .btn-pv {
    width: 100%;
    justify-content: center;
  }
}