/* 单词本 · 翻转复习（对齐 AI 学习空间站 review-flip + scatter） */
.wb-flip-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 4px var(--page-x) 20px;
  min-height: min(56vh, 440px);
}

.wb-flip-deck {
  position: relative;
  width: min(340px, 94vw);
  min-height: min(40vh, 320px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.wb-flip-scatter {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.wb-flip-scatter-card {
  position: absolute;
  width: min(88px, 14vw);
  aspect-ratio: 3 / 4;
  padding: 10px 10px 12px;
  border-radius: 16px;
  border: 1px solid rgba(74, 144, 226, 0.14);
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 8px 24px rgba(74, 144, 226, 0.1);
  font-size: 11px;
  line-height: 1.35;
  color: #86868b;
  opacity: var(--scatter-opacity, 0.42);
  filter: blur(var(--scatter-blur, 1.4px));
  transform: rotate(var(--scatter-rot, 0deg));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
}

.wb-flip-scatter-card strong {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: rgba(29, 29, 31, 0.55);
  margin-bottom: 4px;
}

.wb-flip-scatter-card span {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.wb-flip-hero-row {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  max-width: min(340px, 94vw);
}

.wb-flip-hero-slot {
  flex: 1;
  min-width: 0;
  display: flex;
  justify-content: center;
  position: relative;
}

.wb-flip-hero-slot .wb-flip-card {
  width: min(248px, 68vw);
}

.wb-flip-meta {
  width: 100%;
  max-width: 320px;
  font-size: 12px;
  color: #86868b;
  text-align: center;
}

.wb-flip-meta strong {
  color: #2563eb;
  font-weight: 700;
}

.wb-flip-progress {
  width: 100%;
  max-width: 320px;
  height: 4px;
  border-radius: 999px;
  background: rgba(74, 144, 226, 0.12);
  overflow: hidden;
}

.wb-flip-progress i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #4a90e2, #7eb8f0);
  transition: width 0.35s ease;
}

.wb-flip-card {
  width: 100%;
  perspective: 1200px;
  position: relative;
}

.wb-flip-card.is-hero {
  perspective: none;
  position: relative;
  z-index: 3;
}

.wb-flip-card.is-entering {
  animation: wbFlipEnter 0.42s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.wb-flip-card.is-exiting-advance-next {
  animation: wbFlipExitNext 0.32s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  pointer-events: none;
}

.wb-flip-card.is-exiting-advance-prev {
  animation: wbFlipExitPrev 0.32s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  pointer-events: none;
}

.wb-flip-card.is-master-burst:not(.is-hero) {
  animation: wbFlipMasterPulse 0.55s ease-out;
}

@keyframes wbFlipEnter {
  from { opacity: 0; transform: translateY(52px) scale(0.92); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes wbFlipExitNext {
  to { opacity: 0; transform: translateY(-36px) scale(0.92); }
}

@keyframes wbFlipExitPrev {
  to { opacity: 0; transform: translateY(36px) scale(0.92); }
}

@keyframes wbFlipMasterPulse {
  0% { transform: scale(1); }
  40% { transform: scale(1.03); }
  100% { transform: scale(1); }
}

.wb-flip-inner {
  --wb-flip-ms: 550ms;
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: 20px;
  transform-style: preserve-3d;
  transition: transform var(--wb-flip-ms) cubic-bezier(0.34, 1.1, 0.48, 1);
  cursor: pointer;
}

.wb-flip-card.is-hero .wb-flip-inner {
  --wb-flip-ms: 380ms;
  transform: none !important;
  transform-style: flat;
  transition: none;
}

.wb-flip-card.is-hero .wb-flip-front {
  opacity: 1;
  visibility: visible;
  z-index: 1;
  transition: opacity var(--wb-flip-ms) ease, visibility var(--wb-flip-ms) ease;
}

.wb-flip-card.is-hero .wb-flip-back {
  transform: none;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 0;
  transition: opacity var(--wb-flip-ms) ease, visibility var(--wb-flip-ms) ease;
}

.wb-flip-card.is-hero.is-flipped .wb-flip-front {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  z-index: 0;
}

.wb-flip-card.is-hero.is-flipped .wb-flip-back {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  z-index: 1;
}

.wb-flip-card.is-flipped .wb-flip-inner {
  transform: rotateY(180deg);
}

.wb-flip-card.is-hero.is-flipped .wb-flip-inner {
  transform: none !important;
}

.wb-flip-face {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.85);
  background: #f6f9fd;
  box-shadow: 0 16px 48px rgba(74, 144, 226, 0.14);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.wb-flip-front {
  justify-content: stretch;
  text-align: center;
  padding: 0;
}

.wb-flip-front-fill {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 28px 22px;
}

.wb-flip-back {
  transform: rotateY(180deg);
  text-align: left;
  padding: 20px 18px 14px;
  overflow: hidden;
}

.wb-flip-card.is-flipped .wb-flip-back::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, 0.42) 50%, transparent 60%);
  animation: wbFlipSweep 0.62s ease;
  pointer-events: none;
}

@keyframes wbFlipSweep {
  from { transform: translateX(-100%); }
  to { transform: translateX(100%); }
}

.wb-flip-kicker {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #4a90e2;
  margin-bottom: 10px;
}

.wb-flip-word {
  font-size: 24px;
  font-weight: 700;
  color: #1d1d1f;
  line-height: 1.2;
  margin-bottom: 6px;
}

.wb-flip-pos {
  font-size: 13px;
  color: #86868b;
  margin-bottom: 12px;
}

.wb-flip-hint {
  font-size: 13px;
  color: #86868b;
  line-height: 1.5;
}

.wb-flip-cn {
  font-size: 22px;
  font-weight: 700;
  color: #1d1d1f;
  margin-bottom: 12px;
}

.wb-flip-context {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  font-size: 13px;
  line-height: 1.6;
  color: #4b5563;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(74, 144, 226, 0.06);
  border: 1px solid rgba(74, 144, 226, 0.12);
}

.wb-flip-source {
  margin-top: 10px;
  font-size: 11px;
  color: #86868b;
}

.wb-flip-actions {
  display: flex;
  gap: 6px;
  width: 100%;
  max-width: 280px;
  margin: 8px auto 0;
  padding: 0 2px;
  box-sizing: border-box;
}

.wb-flip-btn {
  flex: 1;
  min-height: 38px;
  padding: 0 8px;
  border-radius: 11px;
  border: 1px solid rgba(74, 144, 226, 0.16);
  background: rgba(255, 255, 255, 0.82);
  color: #374151;
  font-size: 12px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.12s ease;
}

.wb-flip-btn--flip {
  flex: 0 0 auto;
  min-width: 52px;
  padding: 0 14px;
  font-size: 13px;
  font-weight: 600;
}

.wb-flip-hint--back {
  margin-top: 10px;
  font-size: 11px;
  color: #86868b;
}

.wb-flip-btn:active {
  transform: scale(0.96);
}

.wb-flip-btn--primary {
  background: #4a90e2;
  border-color: #4a90e2;
  color: #fff;
}

.wb-flip-btn.is-grade-locked {
  opacity: 0.42;
  cursor: default;
  pointer-events: none;
}

.wb-flip-btn.is-grade-locked.wb-flip-btn--primary {
  background: rgba(74, 144, 226, 0.45);
  border-color: rgba(74, 144, 226, 0.35);
  color: rgba(255, 255, 255, 0.88);
}

.wb-flip-btn--flip svg {
  width: 16px;
  height: 16px;
}

.wb-flip-nav-btn {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(74, 144, 226, 0.2);
  background: rgba(255, 255, 255, 0.82);
  color: #4a90e2;
  font-size: 18px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(74, 144, 226, 0.1);
}

.wb-flip-nav-btn:disabled {
  opacity: 0.28;
  cursor: not-allowed;
}

.wb-flip-nav {
  display: none;
}

@media (prefers-reduced-motion: reduce) {
  .wb-flip-card.is-entering,
  .wb-flip-card.is-exiting-advance-next,
  .wb-flip-card.is-exiting-advance-prev,
  .wb-flip-card.is-master-burst,
  .wb-flip-card.is-flipped .wb-flip-back::after,
  .wb-flip-card .review-master-card-wave,
  .wb-flip-card .review-master-wave,
  .wb-flip-card .review-master-badge-stack,
  .wb-flip-card .review-master-badge-deco,
  .wb-flip-card .review-master-xp-float,
  .wb-flip-card .review-master-sparks i {
    animation: none !important;
  }
  .wb-flip-card.is-hero .wb-flip-front,
  .wb-flip-card.is-hero .wb-flip-back {
    transition-duration: 0.01ms;
  }
}

/* 掌握盖章 · 对齐 AI 学习空间站 review-master */
.wb-flip-card.is-hero.is-master-burst {
  overflow: visible;
  z-index: 4;
}

.wb-flip-card.is-master-burst .wb-flip-inner {
  animation: reviewMasterCardPop 0.58s cubic-bezier(0.22, 1, 0.36, 1);
}

.wb-flip-card.is-hero.is-master-burst .wb-flip-inner {
  animation: reviewMasterCardPop 0.58s cubic-bezier(0.22, 1, 0.36, 1);
}

.wb-flip-hero-slot .review-master-overlay,
.wb-flip-card .review-master-overlay {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  aspect-ratio: 3 / 4;
  z-index: 30;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 20px;
  overflow: visible;
}

.wb-flip-card .review-master-card-waves {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
}

.wb-flip-card .review-master-card-wave {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 2px solid rgba(74, 222, 154, 0.62);
  box-shadow: 0 0 24px rgba(110, 231, 183, 0.32), inset 0 0 18px rgba(74, 222, 154, 0.12);
  transform-origin: center center;
  animation: reviewMasterCardWave 0.88s cubic-bezier(0.22, 0.55, 0.28, 1) both;
}

.wb-flip-card .review-master-card-wave:nth-child(2) {
  animation-delay: 0.1s;
  border-color: rgba(110, 231, 183, 0.48);
}

.wb-flip-card .review-master-card-wave:nth-child(3) {
  animation-delay: 0.22s;
  border-color: rgba(52, 211, 153, 0.42);
}

.wb-flip-card .review-master-card-wave--ghost {
  border-width: 3px;
  border-color: rgba(110, 231, 183, 0.3);
  filter: blur(6px);
}

.wb-flip-card .review-master-shockwaves {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0;
  height: 0;
  pointer-events: none;
  z-index: 1;
}

.wb-flip-card .review-master-wave {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 112px;
  height: 112px;
  margin: -56px 0 0 -56px;
  border-radius: 50%;
  border: 2px solid rgba(74, 222, 154, 0.78);
  animation: reviewMasterShockwave 0.82s cubic-bezier(0.22, 0.55, 0.25, 1) both;
}

.wb-flip-card .review-master-wave:nth-child(2) { animation-delay: 0.14s; }
.wb-flip-card .review-master-wave:nth-child(3) { animation-delay: 0.28s; }

.wb-flip-card .review-master-badge-stack {
  position: relative;
  z-index: 2;
  width: 118px;
  height: 118px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: reviewMasterBadgeIn 0.52s cubic-bezier(0.22, 1.25, 0.36, 1) both;
}

.wb-flip-card .review-master-badge {
  position: relative;
  width: 118px;
  height: 118px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.wb-flip-card .review-master-badge-ring--outer {
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  border: 2.5px solid #4ade9a;
  box-shadow: 0 0 18px rgba(110, 231, 183, 0.45);
}

.wb-flip-card .review-master-badge-deco {
  position: absolute;
  inset: 0;
  animation: reviewMasterDecoPop 0.55s cubic-bezier(0.22, 1.2, 0.36, 1) 0.08s both;
}

.wb-flip-card .review-master-deco {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: rotate(var(--deco-angle, 0deg)) translateY(-52px);
}

.wb-flip-card .review-master-deco--dot {
  width: 6px;
  height: 6px;
  margin: -3px 0 0 -3px;
  border-radius: 50%;
  background: #6ee7b7;
}

.wb-flip-card .review-master-deco--star {
  width: 8px;
  height: 8px;
  margin: -4px 0 0 -4px;
  background: #34d399;
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}

.wb-flip-card .review-master-badge-core {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  box-sizing: border-box;
  padding: 0;
  border-radius: 50%;
  aspect-ratio: 1;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 28px rgba(74, 222, 154, 0.35);
}

.wb-flip-card .review-master-label {
  font-weight: 800;
  font-size: 0.84rem;
  letter-spacing: 0.14em;
  color: #16a34a;
}

.wb-flip-card .review-master-xp-float {
  position: absolute;
  top: 6px;
  right: -2px;
  z-index: 5;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 800;
  color: #15803d;
  background: rgba(255, 255, 255, 0.92);
  border: 1.5px solid #6ee7b7;
  animation: reviewMasterXpFloat 0.78s cubic-bezier(0.22, 1, 0.36, 1) 0.12s both;
}

.wb-flip-card .review-master-sparks {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
}

.wb-flip-card .review-master-sparks i {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 5px;
  height: 5px;
  margin: -2.5px 0 0 -2.5px;
  border-radius: 50%;
  border: 1.5px solid rgba(110, 231, 183, 0.9);
  opacity: 0;
  animation: reviewMasterSpark 0.58s ease-out both;
}

@keyframes reviewMasterCardWave {
  0% { opacity: 0.75; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.14); filter: blur(5px); }
}

@keyframes reviewMasterShockwave {
  0% { opacity: 0.88; transform: scale(0.48); }
  100% { opacity: 0; transform: scale(1.78); }
}

@keyframes reviewMasterBadgeIn {
  0% { opacity: 0; transform: scale(0.35) rotate(-10deg); }
  100% { opacity: 1; transform: scale(1) rotate(0); }
}

@keyframes reviewMasterDecoPop {
  0% { opacity: 0; transform: scale(0.6); }
  100% { opacity: 1; transform: scale(1); }
}

@keyframes reviewMasterXpFloat {
  0% { opacity: 0; transform: translateY(6px) scale(0.82); }
  25% { opacity: 1; transform: translateY(0) scale(1.05); }
  100% { opacity: 0; transform: translateY(-22px) scale(1); }
}

@keyframes reviewMasterSpark {
  0% { opacity: 1; transform: translate(-50%, -50%) rotate(var(--spark-angle)) translateY(0) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -50%) rotate(var(--spark-angle)) translateY(calc(-1 * var(--spark-dist))) scale(0.15); }
}

@keyframes reviewMasterCardPop {
  0% { filter: brightness(1); }
  40% { filter: brightness(1.12) drop-shadow(0 0 26px rgba(110, 231, 183, 0.55)); }
  100% { filter: brightness(1); }
}

/* 单词本 · 三 Tab */
.wb-tabs--3 .wb-tab {
  font-size: 12px;
  padding: 8px 10px;
}

/* AI 巩固短文 */
.wb-story-intro {
  text-align: center;
  padding: 28px var(--page-x) 32px;
}

.wb-story-intro-icon {
  font-size: 28px;
  color: #4a90e2;
  margin-bottom: 12px;
}

.wb-story-intro-title {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 8px;
}

.wb-story-intro-desc {
  font-size: 14px;
  line-height: 1.65;
  color: #5c6678;
  margin: 0 0 20px;
}

.wb-story-wrap {
  padding: 0 0 28px;
  margin: 0;
  width: 100%;
  box-sizing: border-box;
}

.wb-story-wrap .ai-guide {
  margin: 0 0 12px;
}

.wb-story-wrap--loading {
  min-height: 200px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
}

.wb-story-loading {
  font-size: 14px;
  color: #5c6678;
}

.wb-story-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 0;
  min-height: 28px;
}

.wb-story-title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.2;
  margin: 0;
}

.wb-story-level {
  font-size: 11px;
  font-weight: 600;
  color: #4a90e2;
  background: rgba(74, 144, 226, 0.1);
  padding: 2px 8px;
  border-radius: 999px;
}

.wb-story-summary {
  font-size: 13px;
  color: #86868b;
  line-height: 1.55;
  margin: 0 0 14px;
}

.wb-story-body {
  font-size: 15px;
  line-height: 1.75;
  color: #1d1d1f;
  padding: 16px 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(74, 144, 226, 0.12);
  box-shadow: 0 8px 28px rgba(74, 144, 226, 0.08);
}

.wb-story-body strong {
  color: #2563eb;
  font-weight: 700;
}

.wb-story-mark {
  background: rgba(74, 144, 226, 0.18);
  color: #1d4ed8;
  padding: 0 2px;
  border-radius: 3px;
  font-weight: 600;
}

.wb-story-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.wb-story-actions .btn {
  flex: 1;
}

.wb-story-gen-status {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 20px 0 8px;
}

.wb-story-spinner {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 3px solid rgba(74, 144, 226, 0.15);
  border-top-color: #4a90e2;
  animation: wbStorySpin 0.85s linear infinite;
}

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

.wb-story-gen-label {
  margin: 0;
  font-size: 13px;
  color: #5c6678;
}

.wb-story-progress {
  width: min(280px, 80vw);
  height: 4px;
  border-radius: 999px;
  background: rgba(74, 144, 226, 0.12);
  overflow: hidden;
}

.wb-story-progress i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #4a90e2, #7eb8f0);
  transition: width 0.25s ease;
}

.wb-story-card {
  margin: 0;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(74, 144, 226, 0.12);
  box-shadow: 0 8px 28px rgba(74, 144, 226, 0.08);
  overflow: hidden;
}

.wb-story-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 16px 0;
}

.wb-story-card-head .wb-story-head {
  margin-bottom: 0;
  flex: 1;
  min-width: 0;
}

.wb-story-speak-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex-shrink: 0;
  min-height: 28px;
  height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid rgba(74, 144, 226, 0.28);
  background: rgba(74, 144, 226, 0.1);
  color: #2563eb;
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  font-family: var(--font);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.12s ease;
}

.wb-story-speak-btn:active {
  transform: scale(0.98);
}

.wb-story-speak-btn-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.wb-story-speak-btn-label {
  white-space: nowrap;
}

.wb-story-speak-btn.is-playing,
.wb-story-speak-btn.is-paused {
  border-color: transparent;
  background: linear-gradient(135deg, #4a90e2 0%, #6ba3e8 100%);
  color: #fff;
  box-shadow: 0 4px 14px rgba(74, 144, 226, 0.28);
}

.wb-story-card .wb-story-body {
  padding: 12px 16px 16px;
  font-size: 16px;
  line-height: 1.8;
  color: #1d1d1f;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.wb-story-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 12px;
}

.wb-story-toolbar--top {
  margin-top: 0;
  margin-bottom: 12px;
}

.wb-story-tool-btn {
  flex: 1;
  min-width: 0;
  min-height: 38px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(74, 144, 226, 0.16);
  background: rgba(255, 255, 255, 0.82);
  color: #374151;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.wb-story-tool-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: #4a90e2;
}

.wb-story-body--cn {
  border-top: 1px dashed rgba(74, 144, 226, 0.16);
  background: rgba(74, 144, 226, 0.04);
  font-size: 14px;
  color: #4b5563;
}

.wb-story-sent--active {
  background: linear-gradient(180deg, transparent 58%, rgba(255, 214, 102, 0.55) 58%);
  border-radius: 2px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.wb-story-mark {
  cursor: pointer;
}

.wb-story-pick-panel {
  margin: 12px 0 0;
  padding: 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(74, 144, 226, 0.12);
}

.wb-story-pick-title {
  font-size: 12px;
  color: #5c6678;
  margin-bottom: 10px;
}

.wb-story-pick-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.wb-story-pick-chip {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(74, 144, 226, 0.18);
  background: #fff;
  font-size: 12px;
  font-weight: 600;
  color: #374151;
  cursor: pointer;
}

.wb-story-pick-chip.active {
  background: rgba(74, 144, 226, 0.12);
  border-color: #4a90e2;
  color: #2563eb;
}

.wb-story-tts-widget {
  position: relative;
  width: 52px;
  height: 52px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
}

.wb-story-tts-orbit {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px dashed rgba(74, 144, 226, 0.28);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.wb-story-tts-widget.is-playing .wb-story-tts-orbit {
  opacity: 1;
  animation: wbStoryOrbit 4s linear infinite;
}

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

.wb-story-tts-disc {
  position: relative;
  display: block;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #fff, #dbeafe);
  box-shadow: 0 6px 18px rgba(74, 144, 226, 0.22);
  overflow: hidden;
}

.wb-story-tts-disc.is-spinning {
  animation: wbStoryDiscSpin 6s linear infinite;
}

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

.wb-story-tts-groove {
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  border: 1px solid rgba(74, 144, 226, 0.12);
}

.wb-story-tts-cover,
.wb-story-tts-icon {
  position: absolute;
  inset: 10px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #4a90e2;
}

.wb-story-tts-icon svg {
  width: 22px;
  height: 22px;
  margin-left: 2px;
}

.wb-story-tts-eq {
  position: absolute;
  right: -2px;
  bottom: -2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #4a90e2;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 2px;
  padding-bottom: 4px;
}

.wb-story-tts-eq span {
  display: block;
  width: 2px;
  height: 4px;
  background: #fff;
  border-radius: 1px;
}

.wb-story-tts-widget.is-playing .wb-story-tts-eq span:nth-child(1) { animation: wbStoryEq1 0.5s ease-in-out infinite; }
.wb-story-tts-widget.is-playing .wb-story-tts-eq span:nth-child(2) { animation: wbStoryEq2 0.5s ease-in-out infinite 0.06s; }
.wb-story-tts-widget.is-playing .wb-story-tts-eq span:nth-child(3) { animation: wbStoryEq3 0.5s ease-in-out infinite 0.12s; }

@keyframes wbStoryEq1 { 0%,100%{height:4px} 50%{height:9px} }
@keyframes wbStoryEq2 { 0%,100%{height:5px} 50%{height:7px} }
@keyframes wbStoryEq3 { 0%,100%{height:3px} 50%{height:8px} }

/* 我的 · 数据板块 */
#view-profile .profile-card--rich {
  align-items: flex-start;
}

#view-profile .profile-portrait-link {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  margin-top: 10px;
  padding: 8px 0 0;
  border: none;
  border-top: 1px solid rgba(74, 144, 226, 0.1);
  background: transparent;
  cursor: pointer;
  text-align: left;
}

#view-profile .profile-portrait-link-label {
  font-size: 13px;
  font-weight: 700;
  color: #1d1d1f;
  flex-shrink: 0;
}

#view-profile .profile-portrait-link-sub {
  flex: 1;
  min-width: 0;
  font-size: 12px;
  color: #86868b;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#view-profile .profile-portrait-link-arrow {
  color: #86868b;
  flex-shrink: 0;
}

#view-profile .profile-caps-block {
  margin: 0 var(--page-x) 14px;
  padding: 14px 14px 12px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 6px 24px rgba(74, 144, 226, 0.06);
}

#view-profile .profile-caps-title {
  font-size: 13px;
  font-weight: 700;
  color: #1d1d1f;
  margin-bottom: 10px;
}

#view-profile .profile-caps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

#view-profile .profile-cap {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  padding: 10px 10px;
  border-radius: 12px;
  border: 1px solid rgba(74, 144, 226, 0.12);
  background: rgba(74, 144, 226, 0.04);
  min-height: 56px;
}

#view-profile .profile-cap--lg {
  grid-column: span 2;
  min-height: 72px;
}

#view-profile .profile-cap--md {
  grid-column: span 2;
}

#view-profile .profile-cap--sm {
  grid-column: span 2;
}

#view-profile .profile-cap-label {
  font-size: 11px;
  color: #86868b;
}

#view-profile .profile-cap-val {
  font-size: 20px;
  font-weight: 700;
  color: #2563eb;
  line-height: 1.1;
}

#view-profile .profile-cap--lg .profile-cap-val {
  font-size: 26px;
}

#view-profile .profile-cap-val em {
  font-style: normal;
  font-size: 11px;
  font-weight: 600;
  color: #86868b;
  margin-left: 2px;
}

#view-profile .profile-plan-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(74, 144, 226, 0.16);
  background: rgba(74, 144, 226, 0.06);
  cursor: pointer;
  text-align: left;
}

#view-profile .profile-plan-chip-badge {
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  background: #4a90e2;
  padding: 3px 8px;
  border-radius: 6px;
}

#view-profile .profile-plan-chip-text {
  flex: 1;
  font-size: 13px;
  color: #374151;
  font-weight: 500;
}

#view-profile .profile-plan-chip-arrow {
  color: #86868b;
  font-size: 16px;
}

#view-profile .profile-data-section {
  margin: 0 var(--page-x) 14px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 6px 24px rgba(74, 144, 226, 0.06);
}

#view-profile .profile-data-section-title {
  font-size: 13px;
  font-weight: 700;
  color: #1d1d1f;
  margin-bottom: 10px;
}

#view-profile .profile-data-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(74, 144, 226, 0.08);
}

#view-profile .profile-data-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

#view-profile .profile-data-row-label {
  font-size: 13px;
  color: #5c6678;
}

#view-profile .profile-data-row-val {
  font-size: 16px;
  font-weight: 700;
  color: #2563eb;
  text-align: right;
}

#view-profile .profile-data-row-sub {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: #86868b;
}