/* ============================================
   Opencodon - 智能密码子在线优化工具样式表
   常州卡纳基因科技有限公司
   主题色: #1890ff (生物科技蓝)
   ============================================ */

:root {
  --primary: #1890ff;
  --primary-dark: #096dd9;
  --primary-light: #40a9ff;
  --primary-bg: #e6f7ff;
  --success: #52c41a;
  --warning: #faad14;
  --danger: #f5222d;
  --text-main: #262626;
  --text-secondary: #595959;
  --text-muted: #8c8c8c;
  --border-color: #d9d9d9;
  --border-light: #f0f0f0;
  --bg-body: #f5f7fa;
  --bg-card: #ffffff;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.12);
  --radius: 8px;
  --radius-sm: 4px;
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg-body);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary-dark);
}

/* ============================================
   导航栏
   ============================================ */
.navbar {
  background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%);
  box-shadow: 0 2px 8px rgba(24, 144, 255, 0.3);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-size: 20px;
  font-weight: 600;
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.brand-sub {
  font-size: 12px;
  font-weight: 400;
  opacity: 0.85;
  margin-left: 4px;
}

.nav-menu {
  display: flex;
  gap: 8px;
  list-style: none;
}

.nav-menu a {
  color: rgba(255, 255, 255, 0.9);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.15);
}

.nav-menu a.active {
  font-weight: 500;
}

/* ============================================
   主体容器
   ============================================ */
.main-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
}

.page-header {
  margin-bottom: 24px;
}

.page-header h1 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 14px;
}

/* ============================================
   卡片布局
   ============================================ */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 20px;
  transition: var(--transition);
  border: 1px solid var(--border-light);
}

.card:hover {
  box-shadow: var(--shadow-hover);
}

.card-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-title .icon {
  width: 28px;
  height: 28px;
  background: var(--primary-bg);
  color: var(--primary);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.card-body {
  padding: 24px;
}

.card-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-light);
  background: #fafafa;
  border-radius: 0 0 var(--radius) var(--radius);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

/* ============================================
   表单元素
   ============================================ */
.form-group {
  margin-bottom: 20px;
}

.form-row {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.form-row .form-group {
  flex: 1;
  min-width: 200px;
}

label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  color: var(--text-main);
  font-size: 13px;
}

label .required {
  color: var(--danger);
  margin-left: 2px;
}

label .hint {
  color: var(--text-muted);
  font-weight: 400;
  margin-left: 4px;
  font-size: 12px;
}

input[type="text"],
input[type="number"],
input[type="file"],
select,
textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  color: var(--text-main);
  background: #fff;
  transition: var(--transition);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(24, 144, 255, 0.15);
}

input::placeholder,
textarea::placeholder {
  color: #bfbfbf;
}

textarea {
  resize: vertical;
  min-height: 80px;
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%238c8c8c' fill-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

input[type="file"] {
  padding: 6px 12px;
}

input[type="range"] {
  width: 100%;
  cursor: pointer;
}

input[type="checkbox"],
input[type="radio"] {
  cursor: pointer;
  margin-right: 6px;
}

.checkbox-group,
.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
}

.checkbox-group label,
.radio-group label {
  display: inline-flex;
  align-items: center;
  font-weight: 400;
  cursor: pointer;
  margin-bottom: 0;
}

/* ============================================
   按钮
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

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

.btn-success {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
}

.btn-success:hover {
  background: #389e0d;
  border-color: #389e0d;
}

.btn-default {
  background: #fff;
  color: var(--text-main);
  border-color: var(--border-color);
}

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

.btn-danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}

.btn-link {
  background: transparent;
  color: var(--primary);
  padding: 8px 12px;
}

.btn-link:hover {
  color: var(--primary-dark);
  background: var(--primary-bg);
}

.btn-lg {
  padding: 10px 28px;
  font-size: 15px;
}

.btn-sm {
  padding: 4px 12px;
  font-size: 12px;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ============================================
   序列输入区
   ============================================ */
.sequence-input-area {
  position: relative;
}

.sequence-input-area textarea {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 13px;
  line-height: 1.8;
  min-height: 160px;
}

.sequence-meta {
  display: flex;
  gap: 16px;
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.sequence-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.upload-zone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  background: #fafafa;
  transition: var(--transition);
  cursor: pointer;
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--primary);
  background: var(--primary-bg);
}

.upload-zone .upload-icon {
  font-size: 32px;
  color: var(--primary);
  margin-bottom: 8px;
}

.upload-zone p {
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.upload-zone .upload-hint {
  font-size: 12px;
  color: var(--text-muted);
}

.upload-file-info {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
  padding: 12px 16px;
  border: 1px solid var(--border-light);
  border-left: 3px solid var(--success);
  border-radius: var(--radius);
  background: var(--primary-bg);
}

.upload-file-icon {
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: #fff;
  border: 1px solid var(--primary-light);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  white-space: nowrap;
}

.upload-file-text {
  min-width: 0;
}

.upload-file-name {
  font-weight: 600;
  color: var(--text-main);
  word-break: break-all;
}

.upload-file-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 6px;
}

.upload-file-stats .stat {
  font-size: 12px;
  color: var(--text-secondary);
}

.upload-file-stats .stat b {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  margin-left: 2px;
}

/* ============================================
   物种选择
   ============================================ */
.species-search-box {
  position: relative;
}

.species-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-hover);
  max-height: 280px;
  overflow-y: auto;
  z-index: 100;
  margin-top: 4px;
  display: none;
}

.species-dropdown.show {
  display: block;
}

.species-item {
  padding: 10px 16px;
  cursor: pointer;
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

.species-item:hover,
.species-item.active {
  background: var(--primary-bg);
}

.species-item .name {
  font-weight: 500;
  color: var(--text-main);
}

.species-item .meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.species-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.species-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--primary-bg);
  color: var(--primary);
  border: 1px solid rgba(24, 144, 255, 0.3);
  border-radius: 20px;
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition);
}

.species-tag:hover {
  background: var(--primary);
  color: #fff;
}

.species-tag .remove {
  font-size: 14px;
  line-height: 1;
}

.selected-species-display {
  margin-top: 12px;
  padding: 12px;
  background: #f6ffed;
  border: 1px solid #b7eb8f;
  border-radius: var(--radius-sm);
  display: none;
}

.selected-species-display.show {
  display: block;
}

/* ============================================
   酶切位点
   ============================================ */
.enzyme-section {
  margin-top: 16px;
}

.enzyme-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border-light);
}

.enzyme-tab {
  padding: 8px 16px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}

.enzyme-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.enzyme-search {
  margin-bottom: 12px;
}

.enzyme-list {
  max-height: 240px;
  overflow-y: auto;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 8px;
}

.enzyme-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.enzyme-item:hover {
  background: var(--primary-bg);
}

.enzyme-item input {
  margin: 0;
}

.enzyme-item .name {
  font-weight: 500;
  min-width: 100px;
}

.enzyme-item .site {
  font-family: monospace;
  color: var(--text-secondary);
  font-size: 12px;
}

.enzyme-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.enzyme-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  background: #fff2f0;
  color: var(--danger);
  border: 1px solid #ffccc7;
  border-radius: 20px;
  font-size: 12px;
}

.enzyme-tag.keep {
  background: #f6ffed;
  color: var(--success);
  border-color: #b7eb8f;
}

.enzyme-tag .remove {
  cursor: pointer;
  font-size: 14px;
}

/* ============================================
   滑动条
   ============================================ */
.slider-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.slider-group input[type="range"] {
  flex: 1;
  -webkit-appearance: none;
  height: 6px;
  border-radius: 3px;
  background: #e8e8e8;
  outline: none;
}

.slider-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
  transition: var(--transition);
}

.slider-group input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 2px 8px rgba(24, 144, 255, 0.4);
}

.slider-group input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: none;
}

.slider-value {
  min-width: 48px;
  text-align: center;
  font-weight: 600;
  color: var(--primary);
  font-size: 14px;
}

/* ============================================
   高级设置折叠面板
   ============================================ */
.collapse-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  cursor: pointer;
  border-bottom: 1px dashed var(--border-color);
  margin-bottom: 16px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}

.collapse-header:hover {
  color: var(--primary);
}

.collapse-header .arrow {
  transition: transform 0.3s ease;
}

.collapse-header.open .arrow {
  transform: rotate(180deg);
}

.collapse-body {
  display: none;
}

.collapse-body.open {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   加载动画
   ============================================ */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(2px);
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  z-index: 9999;
}

.loading-overlay.show {
  display: flex;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--primary-bg);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-text {
  margin-top: 16px;
  color: var(--text-secondary);
  font-size: 14px;
}

/* 按钮加载 */
.btn-loading {
  position: relative;
  pointer-events: none;
}

.btn-loading::after {
  content: "";
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-left: 8px;
}

/* ============================================
   结果展示
   ============================================ */
.results-section {
  margin-top: 24px;
}

.results-empty {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}

.results-empty .icon {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.5;
}

/* 指标卡片 */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.metric-card {
  background: linear-gradient(135deg, #fafafa 0%, #f0f5ff 100%);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  transition: var(--transition);
}

.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.metric-card .label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.metric-card .value {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
}

.metric-card .value.success { color: var(--success); }
.metric-card .value.warning { color: var(--warning); }
.metric-card .value.danger { color: var(--danger); }

.metric-card .sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* 指标变化幅度提示 */
.metric-delta {
  font-size: 12px;
  font-weight: 600;
  margin-top: 2px;
  min-height: 16px;
}
.metric-delta.up { color: var(--success); }
.metric-delta.down { color: var(--danger); }
.metric-delta:empty { display: none; }

/* 结果摘要栏 */
.results-summary {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 10px 16px;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #f0f5ff 0%, #e6f0ff 100%);
  border: 1px solid #c3d9ff;
  border-radius: 10px;
  font-size: 13px;
}
.results-summary.hidden { display: none; }
.results-summary .rs-item {
  display: flex;
  align-items: center;
  gap: 6px;
}
.results-summary .rs-label {
  color: var(--text-muted);
  font-size: 12px;
}
.results-summary .rs-value {
  font-weight: 700;
  font-size: 16px;
  color: var(--primary);
}
.results-summary .rs-divider {
  width: 1px;
  height: 20px;
  background: #c3d9ff;
}
.results-summary .rs-warn {
  color: #d97706;
  font-size: 12px;
  font-weight: 500;
}

/* 多序列切换标签 */
.seq-tab-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-light);
}
.seq-tab-bar.hidden { display: none; }
.seq-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  background: #fff;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.seq-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-1px);
}
.seq-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(78, 115, 223, 0.3);
}
.seq-tab .seq-tab-len {
  font-size: 11px;
  opacity: 0.8;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.06);
}
.seq-tab.active .seq-tab-len {
  background: rgba(255, 255, 255, 0.25);
}

/* 对比表格 */
.comparison-table-wrapper {
  overflow-x: auto;
  margin-bottom: 20px;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.comparison-table th,
.comparison-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

.comparison-table th {
  background: #fafafa;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
  position: sticky;
  top: 0;
}

.comparison-table tbody tr:hover {
  background: #fafafa;
}

.comparison-table .seq-cell {
  font-family: monospace;
  font-size: 12px;
  word-break: break-all;
  max-width: 300px;
}

.comparison-table .badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 500;
}

.badge-success {
  background: #f6ffed;
  color: #389e0d;
}

.badge-warning {
  background: #fffbe6;
  color: #d48806;
}

.badge-danger {
  background: #fff2f0;
  color: #cf1322;
}

/* 序列对比高亮 */
.seq-orig {
  color: var(--text-secondary);
}

.seq-opt {
  color: var(--primary);
  font-weight: 600;
}

.diff-highlight {
  background: #fff7e6;
  padding: 1px 2px;
  border-radius: 2px;
}

/* ============================================
   提示消息
   ============================================ */
.message {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.message-success {
  background: #f6ffed;
  border: 1px solid #b7eb8f;
  color: #389e0d;
}

.message-error {
  background: #fff2f0;
  border: 1px solid #ffccc7;
  color: #cf1322;
}

.message-info {
  background: #e6f7ff;
  border: 1px solid #91d5ff;
  color: #096dd9;
}

.message-warning {
  background: #fffbe6;
  border: 1px solid #ffe58f;
  color: #d48806;
}

/* ============================================
   基因合成入口
   ============================================ */
.gene-synthesis-banner {
  background: linear-gradient(135deg, #e6f7ff 0%, #f0f5ff 100%);
  border: 1px solid #91d5ff;
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.gene-synthesis-banner .info h3 {
  font-size: 16px;
  color: var(--primary-dark);
  margin-bottom: 4px;
}

.gene-synthesis-banner .info p {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ============================================
   页脚
   ============================================ */
.footer {
  margin-top: 40px;
  padding: 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  border-top: 1px solid var(--border-light);
}

.footer a {
  color: var(--text-muted);
}

.footer a:hover {
  color: var(--primary);
}

.footer-links {
  margin-bottom: 8px;
}

.footer-links a {
  margin: 0 12px;
}

/* ============================================
   标签页
   ============================================ */
.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
}

.tab-btn {
  padding: 10px 20px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  font-family: inherit;
}

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

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

/* ============================================
   分页
   ============================================ */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 16px;
}

.page-btn {
  padding: 4px 10px;
  border: 1px solid var(--border-color);
  background: #fff;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  transition: var(--transition);
}

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

.page-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.page-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============================================
   响应式布局
   ============================================ */
@media (max-width: 768px) {
  .navbar-inner {
    padding: 0 16px;
    height: 56px;
  }

  .brand {
    font-size: 16px;
  }

  .brand-sub {
    display: none;
  }

  .nav-menu a {
    padding: 6px 10px;
    font-size: 13px;
  }

  .nav-menu a span {
    display: none;
  }

  .main-container {
    padding: 16px;
  }

  .page-header h1 {
    font-size: 20px;
  }

  .card-header,
  .card-body,
  .card-footer {
    padding: 16px;
  }

  .form-row {
    flex-direction: column;
    gap: 0;
  }

  .form-row .form-group {
    min-width: auto;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .metric-card .value {
    font-size: 20px;
  }

  .comparison-table {
    font-size: 12px;
  }

  .comparison-table th,
  .comparison-table td {
    padding: 8px;
  }

  .gene-synthesis-banner {
    flex-direction: column;
    text-align: center;
  }

  .enzyme-tabs {
    overflow-x: auto;
    white-space: nowrap;
  }
}

@media (max-width: 480px) {
  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .btn {
    width: 100%;
  }

  .card-footer {
    flex-direction: column;
  }
}

/* ============================================
   辅助类
   ============================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--text-muted); }
.text-small { font-size: 12px; }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

.hidden { display: none !important; }
.show-flex { display: flex !important; }

/* 滚动条美化 */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}


/* 学术蓝风格增强：参考临时站点的简洁科研服务页视觉 */
body {
  background:
    radial-gradient(circle at 10% 0%, rgba(24, 144, 255, 0.10), transparent 28%),
    radial-gradient(circle at 90% 6%, rgba(22, 119, 255, 0.12), transparent 30%),
    #f6faff;
}

.navbar {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid #dbeafe;
  box-shadow: 0 10px 34px rgba(37, 99, 235, 0.08);
}

.nav-brand a,
.nav-menu a {
  color: #0f172a;
}

.nav-menu a.active,
.nav-menu a:hover {
  color: #1d4ed8;
  background: #eff6ff;
}

.logo {
  background: linear-gradient(135deg, #2563eb, #06b6d4);
  color: #fff;
  box-shadow: 0 12px 28px rgba(37, 99, 235, .26);
}

.brand-sub {
  margin-left: 8px;
  padding: 3px 8px;
  border-radius: 999px;
  color: #1d4ed8;
  background: #eff6ff;
  font-size: 12px;
  font-weight: 700;
}

.page-header {
  padding: 58px 28px;
  border: 1px solid #dbeafe;
  border-radius: 30px;
  background:
    radial-gradient(circle at 12% 18%, rgba(14, 165, 233, .16), transparent 30%),
    linear-gradient(180deg, #ffffff 0%, #eef6ff 100%);
  box-shadow: 0 26px 80px rgba(37, 99, 235, .12);
}

.page-header h1 {
  font-size: clamp(34px, 5vw, 58px);
  letter-spacing: -.055em;
  color: #0f172a;
}

.page-header p {
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
  color: #475569;
  font-size: 18px;
}

.card {
  border-color: #dbeafe;
  border-radius: 22px;
  box-shadow: 0 18px 52px rgba(15, 23, 42, .06);
}

.card-header {
  background: linear-gradient(180deg, #ffffff, #f8fbff);
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb, #06b6d4);
  border-color: transparent;
  box-shadow: 0 14px 32px rgba(37, 99, 235, .24);
}

.gene-synthesis-banner {
  border: 1px solid #bfdbfe;
  border-radius: 26px;
  background:
    radial-gradient(circle at 14% 20%, rgba(255,255,255,.24), transparent 26%),
    linear-gradient(135deg, #1d4ed8, #0284c7);
  box-shadow: 0 22px 64px rgba(37, 99, 235, .22);
}

.gene-synthesis-banner .info h3,
.gene-synthesis-banner .info p {
  color: #fff;
}

.footer {
  background: #0f172a;
}


/* 第二轮页面压缩和统一参考站蓝色 */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #60a5fa;
  --primary-bg: #eff6ff;
  --accent: #06b6d4;
  --bg-body: #f6faff;
  --border-light: #dbeafe;
}
.compact-page .card { margin-bottom: 16px; }
.academic-hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  border: 1px solid #dbeafe;
  border-radius: 30px;
  background:
    radial-gradient(circle at 12% 18%, rgba(14, 165, 233, .16), transparent 30%),
    linear-gradient(180deg, #ffffff 0%, #eef6ff 100%);
  box-shadow: 0 26px 80px rgba(37, 99, 235, .12);
  padding: 42px 32px;
}
.hero-kicker {
  display: inline-flex;
  padding: 6px 12px;
  border-radius: 999px;
  background: #eff6ff;
  color: #1d4ed8;
  font-weight: 800;
  margin-bottom: 12px;
}
.academic-hero h1 {
  font-size: clamp(30px, 4.5vw, 52px);
  letter-spacing: -.055em;
  color: #0f172a;
}
.academic-hero p { max-width: 760px; font-size: 16px; color: #475569; }
.hero-badges { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.hero-badges span, .stats-chip {
  padding: 6px 10px;
  border-radius: 999px;
  background: #eff6ff;
  color: #1d4ed8;
  font-weight: 700;
  font-size: 12px;
}
.compact-actions { display: flex; flex-direction: column; min-width: 190px; gap: 10px; }
.workflow-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr);
  gap: 16px;
  align-items: start;
}
.workflow-card.span-2 { grid-column: span 2; }
.highlight-card {
  border: 1px solid #93c5fd;
  background: linear-gradient(180deg, #ffffff, #eff6ff);
  box-shadow: 0 18px 52px rgba(37,99,235,.10);
}
.card-desc { color: #64748b; margin-bottom: 12px; }
.template-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.block-actions { margin-bottom: 12px; }
.compact-body .form-group { margin-bottom: 12px; }
.compact-field { margin-top: 8px; }
.compact-param-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(140px, 1fr));
  gap: 12px;
}
.compact-param-grid.one-col { grid-template-columns: 1fr; }
.compact-enzyme-list { max-height: 180px; overflow-y: auto; }
.sticky-submit {
  position: sticky;
  bottom: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  margin: 18px 0;
  background: rgba(255,255,255,.94);
  border: 1px solid #dbeafe;
  border-radius: 20px;
  box-shadow: 0 16px 44px rgba(15,23,42,.10);
  backdrop-filter: blur(14px);
}
.comparison-compact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.compact-seq {
  background: #f8fafc;
  padding: 12px;
  border-radius: 10px;
  font-family: monospace;
  font-size: 12px;
  word-break: break-all;
  max-height: 110px;
  overflow-y: auto;
}
.compact-downloads { display: flex; flex-wrap: wrap; gap: 8px; }
.progress-body .form-row { align-items: flex-end; }
.progress-result {
  margin-top: 14px;
  padding: 14px;
  border-radius: 14px;
  background: #f8fbff;
  border: 1px solid #dbeafe;
}
.progress-qrcode-box {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 14px;
  align-items: center;
  padding: 12px;
  margin: 12px 0;
  border: 1px solid #d6e4ff;
  border-radius: 14px;
  background: #ffffff;
}
.progress-qrcode-box img {
  width: 96px;
  height: 96px;
  object-fit: contain;
  border-radius: 10px;
  border: 1px solid #d6e4ff;
  background: #fff;
}
.progress-qrcode-box strong {
  display: block;
  margin-bottom: 6px;
  color: #003a8c;
}
.progress-qrcode-box p {
  margin: 0;
  color: #64748b;
  font-size: 13px;
  line-height: 1.55;
}
.progress-card {
  display: grid;
  gap: 6px;
  padding: 12px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid #dbeafe;
}
.progress-error { color: #dc2626; }
.contact-grid-page {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 24px 0;
}
.contact-card-page h3 { color: #1d4ed8; font-size: 18px; margin-bottom: 10px; }
.contact-card-page p { font-size: 20px; font-weight: 900; color: #0f172a; margin-bottom: 8px; }
.contact-card-page span { color: #64748b; }
.contact-actions { display: flex; gap: 10px; flex-wrap: wrap; }
@media (max-width: 980px) {
  .academic-hero, .workflow-grid, .comparison-compact { grid-template-columns: 1fr; display: grid; }
  .workflow-card.span-2 { grid-column: span 1; }
  .compact-param-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid-page { grid-template-columns: 1fr; }
  .compact-actions { min-width: 0; }
}
@media (max-width: 640px) {
  .compact-param-grid { grid-template-columns: 1fr; }
  .sticky-submit { flex-direction: column; align-items: stretch; }
  .submit-align-right .text-small { margin-right: 0; }
  .progress-qrcode-box { grid-template-columns: 1fr; text-align: center; justify-items: center; }
}

/* 第三轮：强制学术蓝统一与紧凑布局 */
:root {
  --primary: #2563eb !important;
  --primary-dark: #1d4ed8 !important;
  --primary-light: #60a5fa !important;
  --primary-bg: #eff6ff !important;
  --accent: #06b6d4 !important;
  --bg-body: #f6faff !important;
  --border-light: #dbeafe !important;
}
body {
  background:
    radial-gradient(circle at 12% 0%, rgba(37, 99, 235, .10), transparent 26%),
    radial-gradient(circle at 88% 2%, rgba(6, 182, 212, .12), transparent 28%),
    #f6faff !important;
}
.navbar {
  background: rgba(255,255,255,.94) !important;
  border-bottom: 1px solid #dbeafe !important;
  box-shadow: 0 10px 34px rgba(37,99,235,.08) !important;
}
.logo, .btn-primary, .icon {
  background: linear-gradient(135deg, #2563eb, #06b6d4) !important;
  color: #fff !important;
}
.btn-primary {
  border-color: transparent !important;
  box-shadow: 0 12px 28px rgba(37,99,235,.20) !important;
}
.btn-default {
  color: #1d4ed8 !important;
  border-color: #bfdbfe !important;
  background: #ffffff !important;
}
.card, .workflow-card, .page-header, .gene-synthesis-banner {
  border-color: #dbeafe !important;
}
.card-header {
  background: linear-gradient(180deg, #ffffff, #f8fbff) !important;
}
.main-container {
  max-width: 1280px !important;
  padding-top: 18px !important;
}
.academic-hero {
  padding: 24px 28px !important;
  margin-bottom: 14px !important;
}
.academic-hero h1 {
  font-size: clamp(28px, 3.6vw, 44px) !important;
  margin-bottom: 8px !important;
}
.academic-hero p {
  margin-bottom: 8px !important;
  line-height: 1.55 !important;
}
.hero-badges {
  margin-top: 8px !important;
}
.gene-synthesis-banner {
  padding: 16px 20px !important;
  margin: 14px 0 !important;
}
.workflow-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
  gap: 12px !important;
}
.workflow-card.span-2 {
  grid-column: span 1 !important;
}
.workflow-card {
  margin-bottom: 0 !important;
}
.card-body {
  padding: 14px 16px !important;
}
.card-header {
  padding: 12px 16px !important;
}
.form-group {
  margin-bottom: 10px !important;
}
textarea#sequenceInput {
  min-height: 120px !important;
}
.compact-enzyme-list {
  max-height: 120px !important;
}
.comparison-table-wrapper {
  max-height: 260px !important;
  overflow: auto !important;
}
.results-section {
  margin-top: 14px !important;
}
#about {
  display: none !important;
}
.input-with-button {
  display: flex;
  gap: 8px;
  align-items: stretch;
}
.input-with-button input {
  flex: 1;
}
.species-search-status {
  margin-top: -2px;
  margin-bottom: 8px;
  padding: 8px 10px;
  border: 1px solid #dbeafe;
  border-radius: 10px;
  background: #f8fbff;
  color: #475569;
  font-size: 12px;
}
.card-note {
  color: #64748b;
  font-size: 12px;
}
@media (max-width: 1100px) {
  .workflow-grid {
    grid-template-columns: 1fr 1fr !important;
  }
}
@media (max-width: 760px) {
  .workflow-grid, .workflow-card.span-2 {
    display: grid !important;
    grid-template-columns: 1fr !important;
    grid-column: span 1 !important;
  }
}

/* 第四轮：选项2-7等高紧凑卡片，内部滚动，减少占位差异 */
#customCodonCard,
#speciesSection,
#paramsSection,
#methodSection,
#enzymeSection,
#advancedSection {
  height: 300px !important;
  min-height: 300px !important;
  max-height: 300px !important;
  display: flex !important;
  flex-direction: column !important;
  overflow: hidden !important;
}
#customCodonCard .card-body,
#speciesSection .card-body,
#paramsSection .card-body,
#methodSection .card-body,
#enzymeSection .card-body,
#advancedSection .card-body {
  flex: 1 1 auto !important;
  overflow-y: auto !important;
  scrollbar-width: thin;
}
#customCodonCard .card-header,
#speciesSection .card-header,
#paramsSection .card-header,
#methodSection .card-header,
#enzymeSection .card-header,
#advancedSection .card-header {
  flex: 0 0 auto !important;
}

/* 第五轮：深蓝 + 纯白亮眼模式，重新整理七个功能模块 */
:root {
  --primary: #003a8c !important;
  --primary-dark: #002766 !important;
  --primary-light: #0050b3 !important;
  --primary-bg: #ffffff !important;
  --accent: #0050b3 !important;
  --bg-body: #ffffff !important;
  --border-light: #d6e4ff !important;
  --text-primary: #102a43 !important;
}
body {
  background: #ffffff !important;
  color: #102a43 !important;
}
.navbar {
  background: #003a8c !important;
  border-bottom: 0 !important;
  box-shadow: 0 10px 28px rgba(0, 39, 102, .18) !important;
}
.nav-brand a,
.nav-menu a,
.nav-menu a span {
  color: #ffffff !important;
}
.nav-menu a.active,
.nav-menu a:hover {
  background: rgba(255,255,255,.16) !important;
  color: #ffffff !important;
}
.logo,
.btn-primary,
.icon {
  background: #003a8c !important;
  color: #ffffff !important;
}
.academic-hero {
  background: #ffffff !important;
  border: 2px solid #003a8c !important;
  box-shadow: 0 18px 46px rgba(0,58,140,.14) !important;
}
.hero-kicker,
.hero-badges span,
.stats-chip {
  background: #f0f5ff !important;
  color: #003a8c !important;
  border: 1px solid #adc6ff !important;
}
.workflow-grid {
  display: grid !important;
  grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
  gap: 14px !important;
  align-items: stretch !important;
}
#inputSection {
  grid-column: span 2 !important;
}
#customCodonCard,
#speciesSection,
#paramsSection,
#methodSection,
#enzymeSection,
#advancedSection {
  grid-column: span 1 !important;
  height: 320px !important;
  min-height: 320px !important;
  max-height: 320px !important;
  background: #ffffff !important;
  border: 1px solid #adc6ff !important;
  border-top: 4px solid #003a8c !important;
  box-shadow: 0 10px 26px rgba(0,58,140,.08) !important;
}
.card {
  background: #ffffff !important;
  border-color: #adc6ff !important;
}
.card-header {
  background: #ffffff !important;
  border-bottom: 1px solid #d6e4ff !important;
}
.card-title,
.card-title span:not(.icon) {
  color: #003a8c !important;
}
input,
select,
textarea {
  background: #ffffff !important;
  border-color: #adc6ff !important;
}
input:focus,
select:focus,
textarea:focus {
  border-color: #003a8c !important;
  box-shadow: 0 0 0 3px rgba(0,58,140,.14) !important;
}
.enzyme-item,
.species-item {
  border-bottom-color: #e6f0ff !important;
}
.enzyme-item:hover,
.species-item:hover,
.species-item.active {
  background: #f0f5ff !important;
}
.enzyme-tab.active {
  color: #003a8c !important;
  border-bottom-color: #003a8c !important;
}
.sticky-submit {
  background: #ffffff !important;
  border: 2px solid #003a8c !important;
}
.submit-align-right {
  justify-content: flex-end !important;
}
.submit-align-right .text-small {
  margin-right: auto;
}
@media (max-width: 1200px) {
  .workflow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }
  #inputSection {
    grid-column: span 2 !important;
  }
}
@media (max-width: 760px) {
  .workflow-grid {
    grid-template-columns: 1fr !important;
  }
  #inputSection,
  #customCodonCard,
  #speciesSection,
  #paramsSection,
  #methodSection,
  #enzymeSection,
  #advancedSection {
    grid-column: span 1 !important;
  }
}

/* 第六轮：酶切位点双字段自动补全 */
.enzyme-field {
  margin-bottom: 14px;
}
.enzyme-field > label {
  display: block;
  color: #003a8c !important;
  font-weight: 700;
  margin-bottom: 6px;
}
.enzyme-tags-top {
  min-height: 32px;
  padding: 6px 8px;
  margin-bottom: 8px;
  background: #f8fbff;
  border: 1px solid #d6e4ff;
  border-radius: 8px;
}
.enzyme-autocomplete {
  position: relative;
}
.enzyme-autocomplete input {
  width: 100%;
}
.enzyme-suggestions {
  display: none;
  position: absolute;
  z-index: 30;
  left: 0;
  right: 0;
  top: calc(100% + 4px);
  max-height: 210px;
  overflow-y: auto;
  background: #ffffff;
  border: 1px solid #003a8c;
  border-radius: 10px;
  box-shadow: 0 14px 30px rgba(0, 39, 102, .18);
}
.enzyme-suggestions.show {
  display: block;
}
.enzyme-suggestion {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 11px;
  cursor: pointer;
  border-bottom: 1px solid #e6f0ff;
}
.enzyme-suggestion:hover {
  background: #f0f5ff;
}
.enzyme-suggestion.muted {
  cursor: default;
  color: #64748b;
}
.enzyme-suggestion-name {
  font-weight: 700;
  color: #003a8c;
}
.enzyme-suggestion-site {
  font-family: monospace;
  color: #334155;
  font-size: 12px;
}
.enzyme-help {
  margin-top: 4px;
  font-size: 12px;
  color: #64748b;
}

/* 第七轮：自定义密码子表与宿主物种互斥 */
.source-lock-hint {
  margin-top: 6px;
  font-size: 12px;
  color: #b45309;
  line-height: 1.45;
}
.source-disabled {
  position: relative;
}
.source-disabled input,
.source-disabled select,
.source-disabled button {
  cursor: not-allowed !important;
}
.source-disabled .card-title span:not(.icon) {
  color: #64748b !important;
}
.species-tag.disabled {
  opacity: .45;
  cursor: not-allowed;
  pointer-events: none;
}
input:disabled,
select:disabled,
button:disabled {
  background: #f8fafc !important;
  color: #94a3b8 !important;
  border-color: #cbd5e1 !important;
}

/* ============================================
   底部服务并行区（基因合成 + 进度查询）
   ============================================ */
.bottom-services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 14px;
}
.bottom-services-grid > .card {
  margin-bottom: 0;
}

.synthesis-quote-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.synthesis-highlight-mini {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-radius: 12px;
  background: linear-gradient(135deg, #e53935 0%, #ff7043 100%);
  color: #fff;
}
.synthesis-highlight-mini .highlight-label {
  font-size: 14px;
  font-weight: 600;
}
.synthesis-highlight-mini .highlight-value {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 1px;
}

@media (max-width: 980px) {
  .bottom-services-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   基因合成报价表弹窗
   ============================================ */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.45);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 3000;
  padding: 20px;
}
.modal-overlay.show {
  display: flex;
}
.synthesis-modal {
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  background: #fff;
  border-radius: 16px;
  padding: 28px 24px;
  overflow-y: auto;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25);
}
.synthesis-title {
  font-size: 20px;
  font-weight: 700;
  text-align: center;
  color: #003a8c;
  margin-bottom: 6px;
}
.synthesis-subtitle {
  display: block;
  text-align: center;
  font-size: 13px;
  color: #94a3b8;
  margin-bottom: 20px;
}
.synthesis-highlight-bar {
  background: linear-gradient(135deg, #e53935 0%, #ff7043 100%);
  color: #fff;
  padding: 18px 16px;
  text-align: center;
  border-radius: 12px;
  margin-bottom: 0;
}
.synthesis-highlight-bar .highlight-main {
  display: block;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
}
.synthesis-highlight-bar .highlight-price {
  display: block;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 2px;
}
.synthesis-table {
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  overflow: hidden;
  margin: 16px 0 12px;
}
.synth-row {
  display: flex;
  border-bottom: 1px solid #e2e8f0;
}
.synth-row:last-child {
  border-bottom: none;
}
.synth-header {
  background: #003a8c;
  color: #fff;
  font-weight: 600;
}
.synth-header .synth-cell {
  border-right-color: rgba(255, 255, 255, 0.25);
}
.synth-cell {
  flex: 1;
  padding: 12px 8px;
  font-size: 13px;
  text-align: center;
  border-right: 1px solid #e2e8f0;
}
.synth-cell:last-child {
  border-right: none;
}
.synth-highlight {
  color: #e53935;
  font-weight: 700;
}
.synthesis-unit-hint {
  text-align: center;
  font-size: 12px;
  color: #94a3b8;
  margin-bottom: 14px;
  font-style: italic;
}
.synth-notes {
  background: #f8fafc;
  padding: 14px 16px;
  border-radius: 10px;
  margin-bottom: 20px;
}
.synth-notes p {
  margin: 0 0 6px;
  font-size: 12px;
  color: #475569;
  line-height: 1.55;
}
.synth-notes p:last-child {
  margin-bottom: 0;
}
.synth-btns {
  display: flex;
  gap: 12px;
}
.synth-btns .btn {
  flex: 1;
  justify-content: center;
}

/* fixui18：顶部开发者联系信息 */
.developer-contact-box {
  align-items: flex-start;
  gap: 8px;
  padding: 14px 16px;
  border: 1px solid #d6e4ff;
  border-radius: 14px;
  background: #f8fbff;
  color: #334155;
  min-width: 280px;
}
.developer-contact-line {
  font-weight: 700;
  color: #003a8c;
}
.developer-contact-line a {
  color: #0052cc;
  text-decoration: none;
}
.developer-contact-line a:hover {
  text-decoration: underline;
}
.developer-contact-note {
  color: #64748b;
  font-size: 13px;
  line-height: 1.5;
}

/* fixui17：在线下单与报价表完整展示 */
.synthesis-modal {
  max-width: 680px;
  max-height: none;
  overflow: visible;
  padding: 22px 22px;
}
.synthesis-subtitle {
  margin-bottom: 14px;
}
.synthesis-highlight-bar {
  padding: 12px 14px;
}
.synthesis-highlight-bar .highlight-main {
  margin-bottom: 2px;
}
.synthesis-highlight-bar .highlight-price {
  font-size: 24px;
}
.synthesis-table {
  margin: 12px 0 8px;
}
.synth-cell {
  padding: 8px 6px;
  font-size: 12px;
}
.synthesis-unit-hint {
  margin-bottom: 10px;
}
.synth-notes {
  padding: 10px 12px;
  margin-bottom: 14px;
}
.synth-notes p {
  font-size: 12px;
  line-height: 1.4;
}
.online-order-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.online-order-body .form-group {
  margin-bottom: 10px;
}
.online-order-body textarea {
  min-height: 74px;
}
.wechat-consult-box {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid #d6e4ff;
  border-radius: 14px;
  background: #f8fbff;
}
.wechat-consult-box img {
  width: 92px;
  height: 92px;
  object-fit: contain;
  border-radius: 10px;
  background: #fff;
  border: 1px solid #dbeafe;
}
.wechat-consult-box strong {
  color: #003a8c;
  display: block;
  margin-bottom: 0;
}
.consult-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}
.consult-title-row .btn {
  white-space: nowrap;
}
.wechat-consult-box p {
  margin: 0;
  font-size: 13px;
  color: #64748b;
  line-height: 1.5;
}
@media (max-width: 760px) {
  .synthesis-modal {
    max-height: 92vh;
    overflow-y: auto;
  }
  .wechat-consult-box {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }
  .consult-title-row {
    flex-direction: column;
    justify-content: center;
  }
}

/* ============================================
   指标科学解读面板 (fixui54)
   ============================================ */
.metric-guide {
  border: 1px solid #e8e8e8;
  border-radius: 8px;
  background: #fafcff;
  margin-bottom: 20px;
  overflow: hidden;
  transition: box-shadow 0.2s;
}
.metric-guide:hover { box-shadow: 0 2px 8px rgba(24, 144, 255, 0.12); }
.metric-guide-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: linear-gradient(90deg, #e6f7ff 0%, #f0f5ff 100%);
  border-bottom: 1px solid #e8e8e8;
  flex-wrap: wrap;
}
.metric-guide-icon {
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: var(--primary);
  border-radius: 4px;
  padding: 2px 8px;
  letter-spacing: 1px;
}
.metric-guide-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
}
.metric-guide-bar select {
  flex: 1;
  min-width: 220px;
  max-width: 480px;
  padding: 7px 12px;
  border: 1px solid #d9d9d9;
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-main);
  background: #fff;
  cursor: pointer;
  transition: border-color 0.2s;
}
.metric-guide-bar select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.2);
}
.metric-guide-content {
  padding: 16px 20px;
  line-height: 1.75;
  font-size: 13.5px;
  color: #444;
  border-top: 1px solid #f0f0f0;
}
.metric-guide-content.hidden { display: none; }
.guide-block { margin-bottom: 12px; }
.guide-block:last-child { margin-bottom: 0; }
.guide-block-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.guide-block-title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 14px;
  border-radius: 2px;
  background: var(--primary);
}
.guide-block p { margin: 0 0 6px; }
.guide-block p:last-child { margin-bottom: 0; }
.guide-tag {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  margin-right: 6px;
}
.guide-tag.good { background: #f6ffed; color: #52c41a; border: 1px solid #b7eb8f; }
.guide-tag.mid { background: #fffbe6; color: #d48806; border: 1px solid #ffe58f; }
.guide-tag.bad { background: #fff1f0; color: #cf1322; border: 1px solid #ffa39e; }
.guide-cite { font-size: 12px; color: #8c8c8c; margin-top: 6px; }
.label-help {
  display: inline-block;
  margin-left: 3px;
  font-size: 12px;
  color: var(--primary-light);
  cursor: pointer;
  user-select: none;
  transition: color 0.2s, transform 0.2s;
  vertical-align: 1px;
}
.label-help:hover { color: var(--primary); transform: scale(1.15); }
@media (max-width: 768px) {
  .metric-guide-bar select { min-width: 100%; max-width: 100%; }
  .metric-guide-title { white-space: normal; }
}

/* ============================================
   二级表达宿主选择器 (fixui55)
   ============================================ */
.secondary-host-group {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed #e8e8e8;
}
.secondary-host-row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.secondary-host-row select {
  flex: 2;
  min-width: 200px;
  padding: 7px 12px;
  border: 1px solid #d9d9d9;
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-main);
  background: #fff;
  cursor: pointer;
}
.secondary-host-row select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.2);
}
.secondary-host-row input {
  padding: 7px 12px;
  border: 1px solid #d9d9d9;
  border-radius: 6px;
  font-size: 13px;
}
.secondary-host-row input:focus {
  outline: none;
  border-color: var(--primary);
}
.secondary-host-display {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-main);
  background: #e6f7ff;
  border: 1px solid #91d5ff;
  border-radius: 6px;
  padding: 6px 10px;
}
.secondary-host-display .text-muted { color: #8c8c8c; }

/* ============================================
   双宿主 CAI/CPB 对比图表 (fixui56)
   ============================================ */
.host-compare-wrap {
  margin: 0 0 24px;
  padding: 16px 20px;
  border: 1px solid #e8e8e8;
  border-radius: 8px;
  background: linear-gradient(135deg, #fafcff 0%, #f0f5ff 100%);
}
.host-compare-wrap.hidden { display: none; }
.hc-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}
.hc-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 14px;
}
.hc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.hc-col {
  background: #fff;
  border: 1px solid #eef1f6;
  border-radius: 8px;
  padding: 14px 16px;
}
.hc-host-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px dashed #e8e8e8;
}
.hc-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 9px;
  font-size: 12px;
}
.hc-label {
  width: 78px;
  flex-shrink: 0;
  color: #595959;
  text-align: right;
}
.hc-track {
  flex: 1;
  height: 16px;
  background: #f0f2f5;
  border-radius: 8px;
  overflow: hidden;
}
.hc-fill {
  height: 100%;
  border-radius: 8px;
  transition: width 0.6s ease;
  min-width: 2px;
}
.hc-fill.cai-before { background: linear-gradient(90deg, #91caff, #4e73df); }
.hc-fill.cai-after { background: linear-gradient(90deg, #69b1ff, #1b4f9c); }
.hc-fill.cpb-before { background: linear-gradient(90deg, #b7eb8f, #52c41a); }
.hc-fill.cpb-after { background: linear-gradient(90deg, #73d13d, #237804); }
.hc-val {
  width: 44px;
  flex-shrink: 0;
  font-weight: 700;
  color: var(--text-main);
  font-variant-numeric: tabular-nums;
}
.hc-legend {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: #595959;
}
.hc-legend span { display: inline-flex; align-items: center; gap: 5px; }
.hc-legend i {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  display: inline-block;
}
@media (max-width: 768px) {
  .hc-label { width: 64px; }
  .hc-val { width: 40px; }
}