:root {
  --onboarding-ink: #153657;
  --onboarding-gold: #b68b2c;
  --onboarding-paper: #fffdf8;
  --onboarding-line: rgba(21, 54, 87, 0.14);
}

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

.onboarding-help-entry {
  position: relative;
  width: 100%;
  min-height: 40px;
  margin: 4px 0 0;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.035);
  color: rgba(255, 255, 255, 0.78);
  display: flex;
  align-items: center;
  gap: 12px;
  overflow: visible;
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.2;
  text-align: left;
  cursor: pointer;
  transition:
    background 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.onboarding-help-entry:hover,
.onboarding-help-entry:focus-visible {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.13);
  color: rgba(255, 255, 255, 0.96);
  outline: none;
  transform: translateX(1px);
}

.onboarding-help-entry-icon {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: transparent;
  border: 1px solid rgba(231, 203, 131, 0.62);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: #f2d99d;
}

.onboarding-help-entry-label {
  flex: 1 1 auto;
  min-width: 0;
  white-space: nowrap;
}

/* 手动折叠侧栏时，只保留清晰的帮助图标；文字改为悬停/键盘聚焦提示。 */
.app--sidebar-collapsed .onboarding-help-entry {
  width: 42px;
  min-height: 42px;
  margin: 6px auto 8px;
  padding: 0;
  justify-content: center;
  gap: 0;
  border-radius: 14px;
}

.app--sidebar-collapsed .onboarding-help-entry-icon {
  width: 28px;
  height: 28px;
  font-size: 14px;
}

.app--sidebar-collapsed .onboarding-help-entry-label {
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  z-index: 30;
  padding: 6px 10px;
  border-radius: 8px;
  background: rgba(20, 42, 63, 0.94);
  color: #fff;
  font-size: 12px;
  line-height: 1.2;
  box-shadow: 0 8px 22px rgba(6, 24, 41, 0.24);
  opacity: 0;
  pointer-events: none;
  transform: translate(4px, -50%);
  transition:
    opacity 140ms ease,
    transform 140ms ease;
}

.app--sidebar-collapsed .onboarding-help-entry:hover .onboarding-help-entry-label,
.app--sidebar-collapsed .onboarding-help-entry:focus-visible .onboarding-help-entry-label {
  opacity: 1;
  transform: translate(0, -50%);
}

.onboarding-mobile-help {
  display: none;
}

.onboarding-mobile-help-icon {
  font-size: 15px;
  font-weight: 700;
}

.onboarding-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1700;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(10, 26, 43, 0.65);
  backdrop-filter: blur(5px);
}

.onboarding-welcome,
.onboarding-complete {
  position: relative;
  width: min(560px, 100%);
  max-height: calc(100vh - 48px);
  overflow: auto;
  padding: 42px 44px 34px;
  border: 1px solid rgba(182, 139, 44, 0.24);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 250, 238, 0.98)),
    var(--onboarding-paper);
  color: var(--onboarding-ink);
  box-shadow: 0 28px 80px rgba(6, 24, 41, 0.28);
  text-align: center;
}

.onboarding-welcome:focus,
.onboarding-complete:focus,
.onboarding-tour-card:focus,
.onboarding-help-drawer:focus {
  outline: none;
}

.onboarding-welcome-mark {
  width: 72px;
  height: 72px;
  margin: 0 auto 18px;
  border-radius: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #173d64, #0d2946);
  color: #efd58f;
  box-shadow: 0 12px 30px rgba(21, 54, 87, 0.24);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.onboarding-eyebrow {
  margin: 0 0 8px;
  color: var(--onboarding-gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.onboarding-welcome h2,
.onboarding-complete h2,
.onboarding-help-header h2 {
  margin: 0;
  color: var(--onboarding-ink);
  font-family: "Noto Serif SC", serif;
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1.35;
}

.onboarding-welcome-copy,
.onboarding-complete > p {
  max-width: 450px;
  margin: 16px auto 0;
  color: #5d6e7e;
  font-size: 15px;
  line-height: 1.8;
}

.onboarding-welcome-path {
  margin: 26px 0 24px;
  padding: 17px 20px;
  border: 1px solid rgba(182, 139, 44, 0.18);
  border-radius: 16px;
  background: rgba(248, 241, 222, 0.58);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  color: #445c72;
}

.onboarding-welcome-path span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
}

.onboarding-welcome-path b {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #173d64;
  color: white;
  font-size: 12px;
}

.onboarding-welcome-path i {
  color: rgba(182, 139, 44, 0.7);
  font-style: normal;
}

.onboarding-welcome-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.onboarding-welcome-actions .btn {
  min-width: 150px;
}

.onboarding-footnote {
  margin: 17px 0 0;
  color: #82909c;
  font-size: 12px;
}

.onboarding-icon-close {
  width: 34px;
  height: 34px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #70808f;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font: 400 25px/1 sans-serif;
  cursor: pointer;
}

.onboarding-icon-close:hover,
.onboarding-icon-close:focus-visible {
  background: rgba(21, 54, 87, 0.08);
  color: var(--onboarding-ink);
  outline: none;
}

.onboarding-welcome > .onboarding-icon-close,
.onboarding-tour-card > .onboarding-icon-close {
  position: absolute;
  top: 15px;
  right: 15px;
}

.onboarding-tour-layer {
  position: fixed;
  inset: 0;
  z-index: 1680;
  overflow: hidden;
}

.onboarding-tour-spotlight {
  position: fixed;
  z-index: 1;
  border: 2px solid rgba(225, 189, 97, 0.95);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  box-shadow:
    0 0 0 9999px rgba(7, 22, 38, 0.3),
    0 0 0 5px rgba(225, 189, 97, 0.2);
  pointer-events: none;
  transition:
    left 180ms ease,
    top 180ms ease,
    width 180ms ease,
    height 180ms ease;
}

.onboarding-tour-card {
  position: fixed;
  z-index: 2;
  min-height: 0;
  padding: 18px 18px 15px;
  border: 1px solid rgba(182, 139, 44, 0.28);
  border-radius: 16px;
  background: var(--onboarding-paper);
  color: var(--onboarding-ink);
  box-shadow: 0 14px 34px rgba(3, 17, 31, 0.24);
}

.onboarding-tour-meta {
  padding-right: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--onboarding-gold);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.onboarding-tour-card h2 {
  margin: 13px 0 5px;
  font-family: "Noto Serif SC", serif;
  font-size: 18px;
  line-height: 1.35;
}

.onboarding-tour-card > p {
  margin: 0;
  color: #5d6e7e;
  font-size: 13px;
  line-height: 1.6;
}

.onboarding-tour-progress,
.onboarding-checklist-progress {
  height: 5px;
  border-radius: 999px;
  background: rgba(21, 54, 87, 0.1);
  overflow: hidden;
}

.onboarding-tour-progress {
  margin: 13px 0 12px;
}

.onboarding-tour-progress span,
.onboarding-checklist-progress span {
  height: 100%;
  border-radius: inherit;
  display: block;
  background: linear-gradient(90deg, #b68b2c, #e0bd68);
  transition: width 180ms ease;
}

.onboarding-tour-actions {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.onboarding-tour-actions .btn {
  min-height: 34px;
  padding: 7px 12px;
  font-size: 12px;
}

.onboarding-tour-card > .onboarding-icon-close {
  top: 9px;
  right: 9px;
  width: 30px;
  height: 30px;
  font-size: 21px;
}

.onboarding-complete-mark {
  width: 70px;
  height: 70px;
  margin: 0 auto 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #e8f2e9;
  color: #3a7750;
  font-size: 34px;
}

.onboarding-complete-progress {
  width: fit-content;
  margin: 23px auto;
  padding: 8px 15px;
  border-radius: 999px;
  background: rgba(182, 139, 44, 0.1);
  color: #8c691d;
  font-size: 13px;
  font-weight: 700;
}

.onboarding-help-root {
  position: fixed;
  inset: 0;
  z-index: 1690;
  pointer-events: none;
}

.onboarding-drawer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 22, 38, 0.48);
  backdrop-filter: blur(3px);
  pointer-events: auto;
}

.onboarding-help-drawer {
  position: absolute;
  top: 0;
  right: 0;
  width: min(570px, 100vw);
  height: 100%;
  overflow: auto;
  border-left: 1px solid rgba(182, 139, 44, 0.24);
  background: #fbfaf6;
  color: var(--onboarding-ink);
  box-shadow: -20px 0 60px rgba(7, 22, 38, 0.2);
  pointer-events: auto;
}

.onboarding-help-header {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 25px 28px 22px;
  border-bottom: 1px solid var(--onboarding-line);
  background: rgba(251, 250, 246, 0.95);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.onboarding-help-header h2 {
  font-size: 25px;
}

.onboarding-help-body {
  padding: 25px 28px 44px;
}

.onboarding-help-section {
  margin-bottom: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--onboarding-line);
}

.onboarding-help-section:last-child {
  margin-bottom: 0;
  border-bottom: 0;
}

.onboarding-help-section h3 {
  margin: 0 0 14px;
  color: var(--onboarding-ink);
  font-size: 17px;
}

.onboarding-help-section-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.onboarding-help-section-title h3 {
  margin-bottom: 4px;
}

.onboarding-help-section-title p,
.onboarding-help-replay p {
  margin: 0;
  color: #71808c;
  font-size: 12px;
}

.onboarding-help-section-title > strong {
  color: var(--onboarding-gold);
  font-size: 19px;
}

.onboarding-checklist-progress {
  margin: 15px 0 12px;
}

.onboarding-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.onboarding-checklist-item {
  min-height: 58px;
  padding: 9px 12px;
  border: 1px solid var(--onboarding-line);
  border-radius: 13px;
  background: white;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
}

.onboarding-checklist-item.is-done {
  background: #f4f8f2;
  border-color: rgba(65, 125, 78, 0.2);
}

.onboarding-check {
  width: 24px;
  height: 24px;
  border: 1px solid rgba(21, 54, 87, 0.18);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 13px;
}

.is-done .onboarding-check {
  border-color: #4d8658;
  background: #4d8658;
}

.onboarding-checklist-item button {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.onboarding-checklist-item button:hover strong,
.onboarding-checklist-item button:focus-visible strong {
  color: var(--onboarding-gold);
}

.onboarding-checklist-item button:focus-visible {
  outline: none;
}

.onboarding-checklist-item strong,
.onboarding-checklist-item small {
  display: block;
}

.onboarding-checklist-item strong {
  margin-bottom: 3px;
  font-size: 14px;
}

.onboarding-checklist-item small {
  color: #7b8995;
  font-size: 11px;
  line-height: 1.45;
}

.onboarding-feature-map {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.onboarding-feature-card {
  min-height: 91px;
  padding: 14px;
  border: 1px solid var(--onboarding-line);
  border-radius: 13px;
  background: white;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.onboarding-feature-card:hover,
.onboarding-feature-card:focus-visible {
  border-color: rgba(182, 139, 44, 0.46);
  box-shadow: 0 7px 18px rgba(21, 54, 87, 0.07);
  outline: none;
}

.onboarding-feature-card strong,
.onboarding-feature-card span {
  display: block;
}

.onboarding-feature-card strong {
  margin-bottom: 6px;
  color: var(--onboarding-ink);
  font-size: 14px;
}

.onboarding-feature-card span {
  color: #71808c;
  font-size: 12px;
  line-height: 1.55;
}

.onboarding-faq-list {
  display: grid;
  gap: 8px;
}

.onboarding-faq {
  border: 1px solid var(--onboarding-line);
  border-radius: 12px;
  background: white;
}

.onboarding-faq summary {
  padding: 13px 15px;
  color: var(--onboarding-ink);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.onboarding-faq p {
  margin: 0;
  padding: 0 15px 15px;
  color: #687986;
  font-size: 12px;
  line-height: 1.7;
}

.onboarding-help-replay {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.onboarding-help-replay h3 {
  margin-bottom: 5px;
}

.onboarding-help-replay .btn {
  flex: 0 0 auto;
}

.onboarding-context-tip {
  position: fixed;
  z-index: 1500;
  padding: 20px 20px 16px;
  border: 1px solid rgba(182, 139, 44, 0.36);
  border-radius: 16px;
  background: var(--onboarding-paper);
  color: var(--onboarding-ink);
  box-shadow: 0 16px 40px rgba(7, 22, 38, 0.2);
}

.onboarding-context-tip:focus {
  outline: 3px solid rgba(182, 139, 44, 0.22);
  outline-offset: 3px;
}

.onboarding-context-tip::before {
  content: "";
  position: absolute;
  top: -7px;
  right: 28px;
  width: 13px;
  height: 13px;
  border-top: 1px solid rgba(182, 139, 44, 0.36);
  border-left: 1px solid rgba(182, 139, 44, 0.36);
  background: var(--onboarding-paper);
  transform: rotate(45deg);
}

.onboarding-context-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.onboarding-context-label {
  display: inline-flex;
  align-items: center;
  color: var(--onboarding-gold);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.onboarding-context-close {
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 1px solid rgba(21, 54, 87, 0.16);
  border-radius: 50%;
  background: #fff;
  color: #506578;
  font: inherit;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(7, 22, 38, 0.08);
}

.onboarding-context-close:hover,
.onboarding-context-close:focus-visible {
  border-color: rgba(182, 139, 44, 0.6);
  background: #fff9ea;
  color: #84631a;
  outline: none;
}

.onboarding-context-tip > strong {
  display: block;
  margin-top: 8px;
  font-family: "Noto Serif SC", serif;
  font-size: 16px;
}

.onboarding-context-tip > p {
  margin: 8px 0 14px;
  color: #627482;
  font-size: 12px;
  line-height: 1.65;
}

.onboarding-context-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 11px;
  border-top: 1px solid rgba(21, 54, 87, 0.09);
}

.onboarding-context-footer small {
  color: #87939d;
  font-size: 10px;
  line-height: 1.45;
}

.onboarding-context-ack {
  flex: 0 0 auto;
  padding: 6px 10px;
  border: 1px solid rgba(182, 139, 44, 0.28);
  border-radius: 8px;
  background: rgba(182, 139, 44, 0.08);
  color: #9b7420;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.onboarding-context-ack:hover,
.onboarding-context-ack:focus-visible {
  background: rgba(182, 139, 44, 0.16);
  outline: none;
}

@media (max-width: 760px) {
  #btn-onboarding-help {
    display: none;
  }

  .onboarding-mobile-help {
    position: fixed;
    right: 16px;
    bottom: 86px;
    z-index: 1550;
    display: flex;
    width: 48px;
    height: 48px;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid rgba(231, 203, 131, 0.7);
    border-radius: 50%;
    background: #123d61;
    color: #f7e5b6;
    box-shadow: 0 12px 30px rgba(9, 36, 59, 0.28);
  }

  .onboarding-mobile-help:hover {
    transform: translateY(-1px);
    background: #174d78;
  }

  .onboarding-mobile-help .nav-label {
    display: none !important;
  }

  .onboarding-welcome,
  .onboarding-complete {
    padding: 36px 22px 28px;
    border-radius: 20px;
  }

  .onboarding-welcome-path {
    padding: 14px 10px;
    gap: 7px;
    font-size: 12px;
  }

  .onboarding-welcome-path span {
    gap: 4px;
  }

  .onboarding-welcome-path i {
    display: none;
  }

  .onboarding-welcome-actions {
    flex-direction: column-reverse;
  }

  .onboarding-welcome-actions .btn {
    width: 100%;
  }

  .onboarding-help-header,
  .onboarding-help-body {
    padding-left: 19px;
    padding-right: 19px;
  }

  .onboarding-feature-map {
    grid-template-columns: 1fr;
  }

  .onboarding-help-replay {
    align-items: flex-start;
    flex-direction: column;
  }

  .onboarding-help-replay .btn {
    width: 100%;
  }

  .onboarding-context-tip {
    left: 12px !important;
    right: 12px;
    width: auto !important;
  }
}

/* 641–1000px 会自动收窄侧栏，但不会带上 app--sidebar-collapsed 类。 */
@media (min-width: 641px) and (max-width: 1000px) {
  .app-sidebar-footer-inner {
    align-items: center;
  }

  .sidebar-current-user {
    justify-content: center;
    padding-inline: 0;
  }

  .sidebar-user-meta {
    display: none;
  }

  .onboarding-help-entry {
    width: 42px;
    min-height: 42px;
    margin: 6px auto 8px;
    padding: 0;
    justify-content: center;
    gap: 0;
    border-radius: 14px;
  }

  .onboarding-help-entry-icon {
    width: 28px;
    height: 28px;
    font-size: 14px;
  }

  .onboarding-help-entry-label {
    position: absolute;
    left: calc(100% + 10px);
    top: 50%;
    z-index: 30;
    padding: 6px 10px;
    border-radius: 8px;
    background: rgba(20, 42, 63, 0.94);
    color: #fff;
    font-size: 12px;
    line-height: 1.2;
    box-shadow: 0 8px 22px rgba(6, 24, 41, 0.24);
    opacity: 0;
    pointer-events: none;
    transform: translate(4px, -50%);
    transition:
      opacity 140ms ease,
      transform 140ms ease;
  }

  .onboarding-help-entry:hover .onboarding-help-entry-label,
  .onboarding-help-entry:focus-visible .onboarding-help-entry-label {
    opacity: 1;
    transform: translate(0, -50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .onboarding-help-entry,
  .onboarding-tour-spotlight,
  .onboarding-tour-progress span,
  .onboarding-checklist-progress span {
    transition: none !important;
  }
}