.ar-hero {
  position: relative;
  min-height: 320px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: hidden;
  background: #eef2f5;
}

.ar-hero-media {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
}

.ar-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.16) 0%, rgba(0, 0, 0, 0.38) 100%);
}

.ar-page {
  padding: 0px 0 54px;
  overflow-x: hidden;
}

.ar-page-container {
  padding: 120px 50px 50px;
  background-image: url("../images/adverse_reaction_bg.png");
  background-position: center top;
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

.ar-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 16px;
  color: #7d8796;
  margin: 40px 0 60px;
}
.ar-breadcrumb a { color: #7d8796; }
.ar-breadcrumb a:hover { color: var(--primary-color); }
.ar-breadcrumb .active { color: #495464; }
.ar-breadcrumb-icon { width: 12px; height: 12px; }

.ar-page-header {
  margin-bottom: 8px;
}

.ar-title {
  font-size: 38px;
  font-weight: 700;
  color: #1e2b39;
  margin: 0;
}

.ar-success {
  background: #edf7ee;
  border: 1px solid #c7e6ce;
  border-radius: 2px;
  padding: 12px 16px;
  color: #2e7d32;
  margin-bottom: 16px;
}

.ar-success-text {
  font-size: 16px;
  margin-bottom: 0;
  line-height: 1.7;
}

html.ar-modal-open,
body.ar-modal-open {
  overflow: hidden;
}

.ar-success-modal {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.ar-success-modal[hidden] {
  display: none !important;
}

.ar-success-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17, 33, 52, 0.42);
  backdrop-filter: blur(3px);
}

.ar-success-modal__dialog {
  position: relative;
  width: min(460px, 100%);
  padding: 34px 32px 30px;
  border-radius: 20px;
  background: linear-gradient(180deg, #ffffff 0%, #f6fbff 100%);
  box-shadow: 0 26px 68px rgba(36, 75, 120, 0.22);
  text-align: center;
}

.ar-success-modal__close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 34px;
  height: 34px;
  border: none;
  border-radius: 999px;
  background: rgba(0, 160, 233, 0.1);
  color: #4a6783;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.ar-success-modal__eyebrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 98px;
  padding: 6px 14px;
  margin: 0 0 14px;
  border-radius: 999px;
  background: rgba(0, 160, 233, 0.12);
  color: var(--primary-color);
  font-size: 15px;
  font-weight: 600;
}

.ar-success-modal__title {
  margin: 0 0 12px;
  font-size: 28px;
  font-weight: 700;
  color: #213245;
}

.ar-success-modal__text {
  margin: 0;
  color: #5b6d81;
  font-size: 16px;
  line-height: 1.8;
}

.ar-success-modal__action {
  min-width: 152px;
  margin-top: 24px;
  border: none;
  border-radius: 999px;
  padding: 12px 28px;
  background: var(--primary-color);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
}

.ar-intro {
  position: relative;
  padding: 18px 74px 14px 16px;
  background: rgba(235, 244, 253, 0.96);
  border-radius: 2px;
  color: #4d5d6e;
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 14px;
}
.ar-intro p {
  margin: 0 0 6px;
}
.ar-intro ul {
  padding-left: 20px;
  margin: 4px 0 6px;
}

.ar-intro-lead,
.ar-intro-list {
  font-weight: 600;
}

.ar-intro-note {
  border-radius: 10px;
  background: rgba(0, 160, 233, 0.10);
  padding: 14px 20px;
}

.ar-error-tip {
  background: rgba(230, 243, 255, 0.92);
  border-left: 3px solid #73aee6;
  border-radius: 2px;
  padding: 8px 12px;
  font-size: 16px;
  color: #4d6a88;
  margin-bottom: 18px;
}

.ar-form-title {
  text-align: center;
  font-size: 20px;
  font-weight: 600;
  color: #2a3340;
  margin: 24px 0 18px;
}

.ar-identity-label {
  font-size: 16px;
  color: #3f4d5a;
  margin-bottom: 10px;
}

.ar-section {
  border-top: 1px solid #bcd2e8;
  padding: 12px 0 6px;
  margin-bottom: 2px;
}
.ar-section-noborder {
  border-top: none;
  padding-top: 2px;
}

.ar-section-spacing {
  margin-bottom: 30px;
}

.ar-section-title {
  font-size: 20px;
  font-weight: 600;
  color: #2b3642;
  margin-bottom: 10px;
}

.ar-accordion-item {
  margin-bottom: 2px;
}

.ar-accordion-toggle {
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  text-align: left;
  color: inherit;
  appearance: none;
  font: inherit;
}

.ar-accordion-title {
  font-size: 20px;
  font-weight: 600;
  color: #2b3642;
  line-height: 1.4;
}

.ar-accordion-icon {
  display: none;
}

.ar-accordion-panel[hidden] {
  display: none !important;
}

.ar-subsection {
  margin-top: 12px;
}

.ar-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 10px;
}
.ar-row-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

.ar-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ar-label {
  font-size: 16px;
  color: #556170;
}
.ar-label.required::before,
.ar-sublabel.required::before {
  content: '*';
  color: #e53935;
  margin-right: 2px;
}

.ar-sublabel {
  font-size: 16px;
  color: #3f4d5a;
  margin-bottom: 8px;
  display: block;
}

.ar-textarea-hint {
  font-size: 16px;
  color: #7c8997;
  margin-bottom: 6px;
}

/* 输入框统一样式 */
.ar-page input[type="text"],
.ar-page input[type="date"],
.ar-page textarea,
.ar-page select {
  width: 100%;
  border: 1px solid #dde4ec;
  border-radius: 2px;
  padding: 7px 10px;
  font-size: 16px;
  color: #334155;
  background: rgba(255, 255, 255, 0.92);
  box-sizing: border-box;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.ar-page input[type="text"]:focus,
.ar-page input[type="date"]:focus,
.ar-page textarea:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(57, 124, 201, 0.08);
}
.ar-page input[type="text"],
.ar-page input[type="date"],
.ar-page select {
  height: 32px;
}
.ar-page textarea {
  resize: vertical;
  min-height: 108px;
}

.ar-field-error {
  font-size: 16px;
  color: #e53935;
  margin: 2px 0 0;
}

/* 复选框/单选框 */
.ar-checkbox-inline,
.ar-radio-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}
.ar-check-label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 16px;
  color: #4f5b69;
  cursor: pointer;
  font-weight: normal;
}
.ar-check-label input[type="checkbox"],
.ar-check-label input[type="radio"] {
  width: 14px;
  height: 14px;
  cursor: pointer;
}

/* 日期范围 */
.ar-date-range {
  display: flex;
  align-items: center;
  gap: 6px;
}
.ar-date-range input { flex: 1; }
.ar-date-range span { color: #999; white-space: nowrap; }

/* 合并用药字段 */
.ar-combined-drug-fields {
  margin-top: 16px;
  display: none;
}

.ar-combined-choice {
  margin-top: 10px;
}

/* 上传附件 */
.ar-upload-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 10px;
}
.ar-upload-btn {
  display: inline-block;
  background: var(--primary-color);
  color: #fff;
  padding: 7px 18px;
  border-radius: 2px;
  font-size: 16px;
  cursor: pointer;
  white-space: nowrap;
}
.ar-upload-btn input[type="file"] {
  display: none;
}
.ar-upload-hint {
  font-size: 16px;
  color: #666;
}
.ar-file-name {
  margin-top: 8px;
  font-size: 16px;
  color: var(--primary-color);
}
.ar-upload-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  font-size: 13px;
  color: #666;
}
.ar-upload-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(0, 0, 0, 0.12);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: ar-spin 0.8s linear infinite;
}
.ar-file-preview {
  display: inline-block;
  margin-top: 8px;
  font-size: 16px;
  color: var(--primary-color);
  text-decoration: underline;
}
.ar-file-preview:hover {
  color: var(--primary-color);
  opacity: 0.85;
}

.ar-thanks-note {
  text-align: center;
  color: #666;
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.7;
}

.ar-submit-wrap {
  text-align: center;
  margin-bottom: 60px;
}

/* 提交按钮 */
.ar-submit-btn {
  background: var(--primary-color);
  color: #fff;
  border: none;
  padding: 10px 40px;
  font-size: 16px;
  border-radius: 2px;
  cursor: pointer;
  transition: opacity 0.2s;
}
.ar-submit-btn:hover {
  opacity: 0.85;
}
.ar-submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

@keyframes ar-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 991px) {
  .ar-page-container {
    padding: 72px 28px 40px;
    background-size: cover;
  }

  .ar-breadcrumb {
    flex-wrap: wrap;
    gap: 6px;
    margin: 28px 0 30px;
    font-size: 16px;
  }

  .ar-title {
    font-size: 30px;
    line-height: 1.35;
  }

  .ar-intro {
    padding: 16px 20px;
  }

  .ar-form-title {
    margin: 20px 0 16px;
  }

  .ar-section-title {
    font-size: 18px;
  }

  .ar-row-3 {
    grid-template-columns: 1fr 1fr;
  }

  .ar-upload-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .ar-upload-btn {
    min-width: 168px;
    text-align: center;
  }
}

@media (max-width: 767px) {
  .ar-heading-shell {
    padding-left: 20px;
    padding-right: 20px;
  }

  .ar-hero {
    min-height: 180px;
  }

  .ar-hero-media {
    min-height: 180px;
  }

  .ar-page {
    padding: 0 0 32px;
  }

  .ar-page-container {
    padding: 40px 20px 28px;
    background-image: url("../images/adverse_reaction_mobile_bg.png");
    background-position: center top;
    background-repeat: no-repeat;
    background-size: 100% 100%;
  }

  .ar-breadcrumb {
    margin: 18px 0 18px;
    font-size: 13px;
    line-height: 1.6;
  }

  .ar-breadcrumb-icon {
    width: 10px;
    height: 10px;
  }

  .ar-page-header {
    margin-bottom: 2px;
  }

  .ar-title {
    font-size: 24px;
  }

  .ar-success {
    border-radius: 12px;
    padding: 12px 14px;
    margin-bottom: 14px;
  }

  .ar-success-modal {
    padding: 20px;
  }

  .ar-success-modal__dialog {
    padding: 30px 22px 24px;
    border-radius: 18px;
  }

  .ar-success-modal__title {
    font-size: 24px;
  }

  .ar-success-text,
  .ar-intro,
  .ar-identity-label,
  .ar-label,
  .ar-sublabel,
  .ar-textarea-hint,
  .ar-field-error,
  .ar-upload-hint,
  .ar-file-name,
  .ar-file-preview,
  .ar-thanks-note {
    font-size: 16px;
  }

  .ar-intro {
    padding: 14px;
    border-radius: 12px;
    line-height: 1.75;
  }

  .ar-intro p {
    margin-bottom: 10px;
  }

  .ar-intro ul {
    padding-left: 18px;
    margin: 6px 0 10px;
  }

  .ar-intro-note {
    padding: 12px 14px;
    margin-bottom: 0;
  }

  .ar-form-title {
    font-size: 18px;
    margin: 22px 0 16px;
  }

  .ar-accordion-item {
    border-top: 1px solid #9fc5e8;
    margin-bottom: 0;
  }

  .ar-accordion-item:last-of-type {
    border-bottom: 1px solid #9fc5e8;
  }

  .ar-accordion-toggle {
    padding: 12px 0;
    cursor: pointer;
  }

  .ar-accordion-title {
    font-size: 16px;
    color: #2a3340;
  }

  .ar-accordion-icon {
    width: 8px;
    height: 8px;
    display: inline-block;
    border-right: 1.5px solid #77a8d5;
    border-bottom: 1.5px solid #77a8d5;
    transform: rotate(45deg);
    transition: transform 0.2s ease;
    flex-shrink: 0;
    margin-right: 4px;
  }

  .ar-accordion-item.is-open .ar-accordion-icon {
    transform: rotate(-135deg);
    margin-top: 4px;
  }

  .ar-accordion-panel {
    padding-bottom: 12px;
  }

  .ar-section {
    padding: 14px 0 8px;
  }

  .ar-accordion-panel > .ar-section,
  .ar-accordion-panel > .ar-section.ar-section-noborder {
    border-top: none;
    padding: 0 0 8px;
    margin-bottom: 0;
  }

  .ar-section-accordion-followup {
    padding-top: 10px;
  }

  .ar-section-spacing {
    margin-bottom: 8px;
  }

  .ar-section-title {
    font-size: 17px;
    margin-bottom: 12px;
  }

  .ar-subsection {
    margin-top: 14px;
  }

  .ar-row,
  .ar-row-3 {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-bottom: 12px;
  }

  .ar-field {
    gap: 6px;
  }

  .ar-page input[type="text"],
  .ar-page input[type="date"],
  .ar-page textarea,
  .ar-page select {
    font-size: 16px;
    border-radius: 10px;
    padding: 11px 12px;
  }

  .ar-page input[type="text"],
  .ar-page input[type="date"],
  .ar-page select {
    height: 44px;
  }

  .ar-page textarea {
    min-height: 132px;
  }

  .ar-checkbox-inline,
  .ar-radio-inline {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .ar-check-label {
    gap: 8px;
    padding: 10px 12px;
    font-size: 16px;
    border: 1px solid #dde4ec;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.92);
    line-height: 1.5;
  }

  .ar-check-label input[type="checkbox"],
  .ar-check-label input[type="radio"] {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
  }

  .ar-date-range {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .ar-date-range span {
    align-self: center;
  }

  .ar-combined-drug-fields {
    margin-top: 14px;
  }

  .ar-upload-row {
    gap: 12px;
  }

  .ar-upload-btn {
    width: 100%;
    min-width: 0;
    padding: 12px 18px;
    border-radius: 10px;
  }

  .ar-upload-hint {
    line-height: 1.7;
  }

  .ar-upload-status {
    align-items: flex-start;
    margin-top: 12px;
  }

  .ar-file-name,
  .ar-file-preview {
    margin-top: 10px;
  }

  .ar-thanks-note {
    margin-bottom: 16px;
  }

  .ar-submit-wrap {
    margin-bottom: 20px;
  }

  .ar-submit-btn {
    width: 100%;
    padding: 13px 20px;
    border-radius: 12px;
    font-size: 16px;
  }
}

@media (max-width: 420px) {
  .ar-page-container {
    padding-left: 38px;
    padding-right: 38px;
    padding-top: 58px; 
    padding-bottom: 80px;
  }

  .ar-heading-shell {
    padding-left: 16px;
    padding-right: 16px;
  }

  .ar-title {
    font-size: 22px;
  }

  .ar-intro,
  .ar-success {
    padding-left: 12px;
    padding-right: 12px;
  }

  .ar-success-modal {
    padding: 16px;
  }

  .ar-success-modal__dialog {
    padding: 28px 18px 22px;
  }

  .ar-success-modal__close {
    top: 10px;
    right: 10px;
  }

  .ar-success-modal__eyebrow {
    font-size: 14px;
  }

  .ar-success-modal__title {
    font-size: 22px;
  }

  .ar-success-modal__text {
    font-size: 15px;
  }

  .ar-success-modal__action {
    width: 100%;
    margin-top: 20px;
  }
}