.ei-helper-wrap {
  margin: 15px 0;
  color: #243746;
  font-size: 16px;
  line-height: 1.6;
}

.ei-helper-wrap * {
  box-sizing: border-box;
}

.ei-helper-section {
  margin: 15px 0;
  padding: 18px;
  border: 1px solid #d8e3ee;
  background: #ffffff;
}

.ei-helper-grid {
  display: grid;
  gap: 12px;
}

.ei-helper-grid-single {
  grid-template-columns: 1fr;
}

.ei-topic-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.ei-topic-button,
.ei-picker-option,
.ei-share-button {
  transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease, transform 0.16s ease;
}

.ei-topic-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  border: 1px solid #628bb4;
  background: #ffffff;
  color: #628bb4;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
}

.ei-topic-button.is-active {
  background: #628bb4;
  color: #ffffff;
}

.ei-picker {
  position: relative;
}

.ei-picker-control,
.ei-number-input,
.ei-inquiry-textarea {
  width: 100%;
  border: 1px solid #c8d9ea;
  background: #ffffff;
  color: #243746;
  font-size: 15px;
  padding: 14px 16px;
  outline: none;
}

.ei-picker-control {
  position: relative;
  display: block;
  text-align: left;
  cursor: pointer;
}

.ei-picker-control.is-open {
  border-color: #628bb4;
}

.ei-picker-value {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-height: 24px;
  padding-right: 24px;
}

.ei-picker-control::after {
  content: '▾';
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: #628bb4;
  font-size: 13px;
  pointer-events: none;
}

.ei-picker-dropdown {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 6px);
  z-index: 20;
  border: 1px solid #c8d9ea;
  background: #ffffff;
  box-shadow: 0 14px 24px rgba(36, 55, 70, 0.08);
  display: none;
}

.ei-picker-dropdown.is-open {
  display: block;
}

.ei-picker-search {
  width: 100%;
  border: 0;
  border-bottom: 1px solid #e5edf5;
  padding: 12px 14px;
  outline: none;
  font-size: 15px;
}

.ei-picker-options {
  max-height: 240px;
  overflow-y: auto;
}

.ei-picker-option {
  display: block;
  width: 100%;
  padding: 12px 14px;
  border: 0;
  border-bottom: 1px solid #eef4f9;
  background: #ffffff;
  color: #243746;
  text-align: left;
  cursor: pointer;
  font-size: 14px;
}

.ei-picker-option:hover,
.ei-picker-option:focus {
  background: #000000;
  color: #ffffff;
}

.ei-picker-option.is-hidden {
  display: none;
}

.ei-empty-option {
  padding: 12px 14px;
  color: #6c7a86;
  font-size: 14px;
}

.ei-black-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 52px;
  margin-top: 12px;
  border: 0;
  border-radius: 0;
  background: #000000;
  color: #ffffff;
  font-size: 17px;
  font-weight: 800;
  cursor: pointer;
}

.ei-helper-note {
  margin-top: 10px;
  color: #5e6d79;
  font-size: 13px;
}

.ei-result-box {
  margin-top: 14px;
}

.ei-result-row {
  display: block;
  width: 100%;
  margin-top: 10px;
  padding: 14px 16px;
  border: 1px solid #d8e3ee;
  background: #f8fbfe;
}

.ei-result-label {
  display: block;
  color: #628bb4;
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 6px;
}

.ei-result-value {
  display: block;
  color: #1b2e3d;
  font-size: 16px;
  font-weight: 700;
}

.ei-result-desc {
  display: block;
  color: #425360;
  font-size: 14px;
  margin-top: 6px;
}

.ei-subtopic-box {
  margin-top: 14px;
}

.ei-inquiry-title {
  font-size: 18px;
  font-weight: 800;
  color: #1b2e3d;
  margin-bottom: 10px;
}

.ei-inquiry-textarea {
  min-height: 140px;
  resize: vertical;
}

.ei-inquiry-message {
  margin-top: 10px;
  font-size: 14px;
  font-weight: 700;
  color: #628bb4;
}

.ei-share-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 52px;
  padding: 14px 18px;
  margin: 10px 0 0;
  border: 1px solid #000000;
  background: #000000;
  color: #ffffff;
  font-size: 17px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.ei-share-message {
  margin-top: 10px;
  color: #000000;
  font-size: 14px;
  font-weight: 700;
}

a.eitc-apply-button,
a.eitc-apply-button:link,
a.eitc-apply-button:visited,
a.eitc-apply-button:hover,
a.eitc-apply-button:focus,
a.eitc-apply-button:active {
position: relative;
display: inline-flex;
align-items: center;
justify-content: center;
width: 100%;
min-height: 56px;
padding: 16px 20px;
margin: 15px 0 25px;
border: 1px solid #4d759c;
background: linear-gradient(180deg, #7399c0 0%, #628bb4 48%, #4d759c 100%);
color: #ffffff !important;
font-size: 18px;
font-weight: 800;
letter-spacing: -0.02em;
text-decoration: none !important;
box-shadow: 0 12px 24px rgba(98, 139, 180, 0.26), inset 0 1px 0 rgba(255,255,255,0.25);
overflow: hidden;
transition: transform 0.16s ease, box-shadow 0.16s ease, filter 0.16s ease;
animation: eitcApplyPulse 1.7s ease-in-out infinite;
box-sizing: border-box;
-webkit-text-fill-color: #ffffff !important;
}

a.eitc-apply-button span,
a.eitc-apply-button span:link,
a.eitc-apply-button span:visited,
a.eitc-apply-button span:hover,
a.eitc-apply-button span:focus,
a.eitc-apply-button span:active {
position: relative;
z-index: 2;
color: #ffffff !important;
-webkit-text-fill-color: #ffffff !important;
}

a.eitc-apply-button::before {
content: '';
position: absolute;
top: 0;
left: -30%;
width: 24%;
height: 100%;
background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.26) 50%, rgba(255,255,255,0) 100%);
transform: skewX(-18deg);
animation: eitcApplyShine 2.8s linear infinite;
z-index: 1;
}

a.eitc-apply-button:hover,
a.eitc-apply-button:focus {
color: #ffffff !important;
-webkit-text-fill-color: #ffffff !important;
transform: translateY(-1px);
box-shadow: 0 16px 28px rgba(98, 139, 180, 0.34), inset 0 1px 0 rgba(255,255,255,0.25);
filter: saturate(1.05);
}

a.eitc-apply-button:active {
color: #ffffff !important;
-webkit-text-fill-color: #ffffff !important;
transform: translateY(1px);
box-shadow: 0 8px 16px rgba(98, 139, 180, 0.26), inset 0 2px 6px rgba(0,0,0,0.15);
}

@keyframes eitcApplyPulse {
0%, 100% {
box-shadow: 0 12px 24px rgba(98, 139, 180, 0.26), inset 0 1px 0 rgba(255,255,255,0.25);
}
50% {
box-shadow: 0 16px 30px rgba(98, 139, 180, 0.34), inset 0 1px 0 rgba(255,255,255,0.3);
}
}

@keyframes eitcApplyShine {
0% {
left: -30%;
}
100% {
left: 120%;
}
}

@media (max-width: 640px) {
  .ei-helper-section {
    padding: 14px;
  }

  .ei-topic-buttons {
    gap: 8px;
  }

  .ei-topic-button {
    flex: 1 1 calc(50% - 8px);
    min-width: calc(50% - 8px);
  }
}