/* ============================================================
   留白小说 · 页面层
   首页 / 分类 / 搜索 / 详情 / 阅读 / 账户 / 书架 / 标签
   ============================================================ */

/* ============================== 首页 ============================== */

/* 打招呼 + 搜索，随性开场，不做营销首屏 */
.lb-hero {
  max-width: 680px;
  padding: 30px 0 6px;
}

.lb-hero__hi {
  font-size: clamp(27px, 3.8vw, 38px);
  font-weight: 600;
  line-height: 1.4;
}

.lb-hero__hi em {
  color: var(--lb-coral-deep);
  font-style: normal;
}

.lb-hero__lead {
  margin-top: 10px;
  color: var(--lb-muted);
  font-size: 14px;
}

.lb-hero__search {
  margin-top: 26px;
}

.lb-hero__chips {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
}

.lb-hero__chips > span {
  color: var(--lb-muted);
  font-size: 12px;
}

/* 今日随手推：一张宽的奶油色便签卡 */
.lb-feature {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 680px;
  padding: 30px 32px 32px;
  border-radius: var(--lb-radius-lg);
  background: var(--lb-coral-soft);
}

.lb-feature::after {
  content: "";
  position: absolute;
  top: 22px;
  right: 26px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .45);
}

.lb-feature__label {
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  gap: 6px;
  padding: 3px 11px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .7);
  color: var(--lb-coral-deep);
  font-size: 11px;
  font-weight: 500;
}

.lb-feature__title {
  font-size: 23px;
  font-weight: 600;
  line-height: 1.4;
}

.lb-feature__title a:hover {
  color: var(--lb-coral-deep);
}

.lb-feature__author {
  color: var(--lb-coral-deep);
  font-size: 12px;
  opacity: .85;
}

.lb-feature__intro {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--lb-ink-2);
  font-size: 13px;
  line-height: 1.85;
}

.lb-feature__foot {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 4px;
}

.lb-feature__foot .lb-btn {
  background: var(--lb-coral-deep);
}

.lb-feature__foot .lb-btn:hover {
  background: #b25c34;
}

.lb-feature__foot .lb-link-btn {
  color: var(--lb-coral-deep);
}

.lb-home-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.lb-home-panel {
  min-width: 0;
}

.lb-home-panel .lb-section-head {
  margin-bottom: 10px;
}

.lb-home-panel .lb-list__item {
  padding: 13px 0;
}

.lb-category-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.lb-category-card {
  position: relative;
  padding: 26px 26px 28px;
  border-radius: var(--lb-radius-lg);
  background: var(--lb-mint-soft);
  transition: transform .25s var(--lb-ease), box-shadow .25s var(--lb-ease);
}

.lb-category-card:hover {
  transform: translateY(-3px) rotate(-.4deg);
  box-shadow: var(--lb-shadow-sm);
  color: inherit;
}

.lb-category-card--2 { background: var(--lb-coral-soft); }
.lb-category-card--3 { background: var(--lb-sky-soft); }

.lb-category-card__en {
  color: rgba(70, 65, 58, .22);
  font-size: 38px;
  font-weight: 600;
  line-height: 1;
}

.lb-category-card h3 {
  margin: 14px 0 6px;
  font-size: 18px;
}

.lb-category-card p {
  color: var(--lb-ink-2);
  font-size: 12px;
  line-height: 1.8;
}

.lb-category-card__count {
  position: absolute;
  top: 24px;
  right: 24px;
  padding: 2px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .65);
  color: var(--lb-ink-2);
  font-size: 11px;
}

/* ============================== 分类 ============================== */

.lb-sort-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  padding-bottom: 26px;
  border-bottom: 1px dashed var(--lb-line-strong);
}

.lb-sort-head h1 {
  margin-top: 12px;
  font-size: 30px;
}

.lb-sort-head p {
  max-width: 420px;
  color: var(--lb-muted);
  font-size: 13px;
  text-align: right;
}

.lb-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
  margin: 26px 0 30px;
}

.lb-filter {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lb-filter__label {
  flex: none;
  color: var(--lb-muted);
  font-size: 12px;
}

.lb-sort-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 40px;
}

.lb-sort-item {
  display: flex;
  gap: 14px;
  align-items: center;
  min-width: 0;
  padding: 16px 10px;
  border-bottom: 1px dashed var(--lb-line);
  transition: background .2s var(--lb-ease);
}

.lb-sort-item:hover {
  background: rgba(255, 253, 247, .8);
}

.lb-sort-item__main {
  min-width: 0;
  flex: 1;
}

.lb-sort-item__title {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  font-size: 14px;
  font-weight: 600;
}

.lb-sort-item__title a {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lb-sort-item__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  color: var(--lb-muted);
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
}

.lb-sort-item__desc {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: 4px;
  color: var(--lb-muted);
  font-size: 12px;
}

.lb-sort-item__time {
  flex: none;
  color: var(--lb-muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

/* ============================== 搜索 ============================== */

.lb-search-hero {
  max-width: 680px;
  margin: 0 auto;
  padding: 26px 0 12px;
  text-align: center;
}

.lb-search-hero h1 {
  margin: 16px 0 10px;
  font-size: clamp(26px, 3.4vw, 36px);
  overflow-wrap: anywhere;
}

.lb-search-hero > p {
  color: var(--lb-muted);
  font-size: 13px;
}

.lb-search-hero .lb-search {
  margin: 26px auto 0;
}

.lb-search-hero .lb-suggest {
  text-align: left;
}

.lb-hotwords {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.lb-hotwords > span {
  color: var(--lb-muted);
  font-size: 12px;
}

.lb-search-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin: 44px 0 14px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--lb-line-strong);
}

.lb-search-meta h2 {
  font-size: 18px;
  font-weight: 500;
}

.lb-search-meta span {
  color: var(--lb-muted);
  font-size: 12px;
}

.lb-search-list {
  display: flex;
  flex-direction: column;
}

.lb-search-item {
  padding: 20px 10px;
  border-bottom: 1px dashed var(--lb-line);
  transition: background .2s var(--lb-ease);
}

.lb-search-item:hover {
  background: rgba(255, 253, 247, .8);
}

.lb-search-item__body {
  min-width: 0;
}

.lb-search-item__title {
  font-size: 16px;
  font-weight: 600;
}

.lb-search-item__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 7px 0;
  color: var(--lb-muted);
  font-size: 12px;
}

.lb-search-item__desc {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: var(--lb-ink-2);
  font-size: 13px;
  line-height: 1.8;
}

.highlight {
  color: var(--lb-coral-deep);
  background: linear-gradient(transparent 62%, rgba(226, 130, 92, .22) 0);
  font-style: normal;
}

/* ============================== 详情 ============================== */

.lb-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 54px;
  align-items: start;
}

.lb-detail-hero {
  position: relative;
  padding: 4px 0 32px;
  border-bottom: 1px dashed var(--lb-line-strong);
}

.lb-detail-hero::before {
  content: "";
  position: absolute;
  top: -14px;
  right: 0;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--lb-coral-soft);
  opacity: .6;
  pointer-events: none;
}

.lb-detail-hero__body {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.lb-detail-title {
  font-size: clamp(25px, 3vw, 33px);
  line-height: 1.35;
}

.lb-detail-sub {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-top: 12px;
  color: var(--lb-muted);
  font-size: 13px;
}

.lb-detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 16px;
}

.lb-detail-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  margin-top: 20px;
  color: var(--lb-muted);
  font-size: 12px;
}

.lb-detail-stats strong {
  display: block;
  margin-bottom: 1px;
  color: var(--lb-ink);
  font-size: 16px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.lb-detail-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
}

.lb-detail-section {
  margin-top: 38px;
}

.lb-detail-section h2 {
  margin-bottom: 16px;
  font-size: 18px;
}

.lb-intro {
  color: var(--lb-ink-2);
  font-size: 14px;
  line-height: 2;
  white-space: pre-line;
}

.lb-chapter-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.lb-chapter-grid a {
  overflow: hidden;
  padding: 9px 12px;
  border-radius: 10px;
  background: var(--lb-bg-soft);
  color: var(--lb-ink-2);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: background .2s var(--lb-ease), color .2s var(--lb-ease);
}

.lb-chapter-grid a:hover {
  background: var(--lb-coral-soft);
  color: var(--lb-coral-deep);
}

.lb-chapter-grid a.chapter-more {
  background: transparent;
  border: 1px dashed var(--lb-line-strong);
  color: var(--lb-coral-deep);
  text-align: center;
}

.lb-chapter-more {
  display: inline-flex;
  margin-top: 14px;
  color: var(--lb-coral-deep);
  font-size: 13px;
}

.lb-side-card {
  padding: 24px;
  border: 1px solid var(--lb-line);
  border-radius: var(--lb-radius-lg);
  background: var(--lb-surface);
}

.lb-side-card + .lb-side-card {
  margin-top: 20px;
}

.lb-side-card h3 {
  margin-bottom: 16px;
  font-size: 15px;
}

.lb-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lb-author__name {
  font-size: 14px;
  font-weight: 600;
}

.lb-author__meta {
  color: var(--lb-muted);
  font-size: 12px;
}

.lb-side-list {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.lb-side-list a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  color: var(--lb-ink-2);
  font-size: 13px;
}

.lb-side-list a span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lb-side-list a small {
  flex: none;
  color: var(--lb-muted);
  font-size: 11px;
}

.lb-rating-card {
  padding: 20px;
  border-radius: var(--lb-radius);
  background: var(--lb-bg-soft);
}

.lb-rating-card p {
  margin-bottom: 10px;
  color: var(--lb-muted);
  font-size: 12px;
}

.lb-chapter-list-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 26px;
  padding-bottom: 20px;
  border-bottom: 1px dashed var(--lb-line-strong);
}

.lb-chapter-list-head h1 {
  font-size: 26px;
}

.lb-chapter-list-head p {
  margin-top: 6px;
  color: var(--lb-muted);
  font-size: 12px;
}

.lb-chapter-links {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.lb-chapter-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 14px;
  border: 1px solid var(--lb-line);
  border-radius: 12px;
  color: var(--lb-ink-2);
  font-size: 13px;
  transition: border-color .2s var(--lb-ease), background .2s var(--lb-ease), color .2s var(--lb-ease);
}

.lb-chapter-links a span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lb-chapter-links a small {
  flex: none;
  color: var(--lb-muted);
  font-size: 11px;
}

.lb-chapter-links a:hover {
  border-color: var(--lb-coral);
  background: var(--lb-coral-soft);
  color: var(--lb-coral-deep);
}

/* 阅读页推荐：纯文字小列表 */
.lb-mini-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 24px;
}

.lb-mini-list a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 4px;
  border-bottom: 1px dashed var(--lb-line);
  color: var(--lb-ink-2);
  font-size: 13px;
}

.lb-mini-list a:hover {
  color: var(--lb-coral-deep);
}

.lb-mini-list a span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lb-mini-list a small {
  flex: none;
  color: var(--lb-muted);
  font-size: 11px;
}

/* ============================== 阅读器 ============================== */

.lb-body--reader {
  background: #f6f1e3;
}

.lb-reader-top {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid var(--lb-line);
  background: rgba(251, 247, 236, .9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.lb-reader-top__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 58px;
}

.lb-reader-top a {
  color: var(--lb-ink-2);
  font-size: 13px;
}

.lb-reader-top__title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 500;
  text-align: center;
}

.lb-reader-top__tools {
  display: flex;
  align-items: center;
  gap: 5px;
}

.lb-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  height: 34px;
  min-width: 34px;
  padding: 0 9px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--lb-ink-2);
  font-size: 12px;
  transition: background .2s var(--lb-ease), color .2s var(--lb-ease);
}

.lb-icon-btn:hover {
  background: var(--lb-coral-soft);
  color: var(--lb-coral-deep);
}

.lb-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 70;
  width: 0;
  height: 2px;
  background: var(--lb-coral);
  transition: width .1s linear;
}

.lb-reader {
  max-width: 820px;
  margin: 0 auto;
  padding: 34px 20px 60px;
}

.lb-reader__paper {
  padding: 54px 64px 58px;
  border: 1px solid rgba(219, 208, 184, .7);
  border-radius: 8px;
  background: #fffdf7;
  box-shadow: 0 16px 50px rgba(122, 98, 66, .06);
}

.lb-reader__head {
  margin-bottom: 34px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--lb-line);
}

.lb-reader__book {
  margin-bottom: 8px;
  color: var(--lb-muted);
  font-size: 12px;
}

.lb-reader__head h1 {
  font-size: clamp(22px, 3vw, 29px);
  font-weight: 600;
  line-height: 1.5;
}

.lb-reader__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-top: 10px;
  color: var(--lb-muted);
  font-size: 12px;
}

.lb-reader__body {
  color: #45403a;
  font-size: var(--reader-size, 18px);
  line-height: var(--reader-leading, 2.05);
  letter-spacing: .02em;
}

.lb-reader__body .nr_p,
.lb-reader__body > p {
  margin: 0 0 1.05em;
  text-indent: 2em;
}

.lb-reader__body .nr_p:last-child {
  margin-bottom: 0;
}

.lb-reader__body h2 {
  margin: 1.6em 0 .8em;
  font-size: 1.08em;
  font-weight: 600;
  text-align: center;
}

.lb-reader__end {
  margin-top: 44px;
  padding-top: 26px;
  border-top: 1px solid var(--lb-line);
  text-align: center;
}

.lb-reader__end p {
  color: var(--lb-muted);
  font-size: 12px;
}

.lb-reader__nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  margin-top: 34px;
}

.lb-reader-nav-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-width: 0;
  min-height: 64px;
  padding: 10px 18px;
  border: 1px solid var(--lb-line);
  border-radius: 18px;
  background: var(--lb-surface);
  text-align: center;
  transition: border-color .2s var(--lb-ease), background .2s var(--lb-ease),
    color .2s var(--lb-ease), transform .2s var(--lb-ease);
}

.lb-reader-nav-btn small {
  color: var(--lb-muted);
  font-size: 11px;
  letter-spacing: .12em;
  transition: color .2s var(--lb-ease);
}

.lb-reader-nav-btn > span {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  max-width: 100%;
  color: var(--lb-ink);
  font-size: 13px;
  line-height: 1.5;
}

.lb-reader-nav-btn:hover {
  border-color: var(--lb-coral);
  background: var(--lb-coral-soft);
  transform: translateY(-2px);
}

.lb-reader-nav-btn:hover small {
  color: var(--lb-coral-deep);
}

.lb-reader-nav-btn--toc {
  flex-direction: row;
  justify-content: center;
  width: 64px;
  min-height: 64px;
  padding: 0;
  gap: 6px;
  color: var(--lb-ink-2);
}

.lb-reader-nav-btn--toc svg {
  width: 17px;
  height: 17px;
}

.lb-reader-nav-btn--toc:hover {
  color: var(--lb-coral-deep);
}

.lb-reader-nav-btn.is-disabled {
  opacity: .55;
  background: transparent;
  border-style: dashed;
  pointer-events: none;
}

.lb-reader__rating {
  margin-top: 34px;
  padding: 24px;
  border-radius: var(--lb-radius);
  background: var(--lb-bg-soft);
  text-align: center;
}

.lb-reader__rating h3 {
  margin-bottom: 8px;
  font-size: 14px;
}

.lb-reader__rating p {
  margin-bottom: 12px;
  color: var(--lb-muted);
  font-size: 12px;
}

.lb-reader__rating .lb-rating {
  justify-content: center;
}

.lb-reader__more {
  margin-top: 54px;
  padding-top: 34px;
  border-top: 1px dashed var(--lb-line-strong);
}

/* 阅读设置面板 */
.lb-reader-panel {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 100;
  width: min(340px, calc(100vw - 40px));
  max-height: calc(100vh - 100px);
  padding: 22px 24px;
  border: 1px solid var(--lb-line);
  border-radius: var(--lb-radius-lg);
  background: var(--lb-surface);
  box-shadow: 0 24px 60px rgba(80, 62, 36, .18);
  overflow-y: auto;
  overscroll-behavior: contain;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity .2s var(--lb-ease), transform .2s var(--lb-ease);
}

.lb-reader-panel.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.lb-reader-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.lb-reader-panel__head h3 {
  font-size: 15px;
}

.lb-reader-panel__group {
  padding: 16px 0;
  border-bottom: 1px dashed var(--lb-line);
}

.lb-reader-panel__group:last-of-type {
  border-bottom: 0;
  padding-bottom: 6px;
}

.lb-reader-panel__label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  color: var(--lb-muted);
  font-size: 12px;
}

.lb-reader-panel__label b {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  color: var(--lb-ink);
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.lb-reader-panel__hint {
  margin-top: 4px;
  padding-top: 14px;
  border-top: 1px dashed var(--lb-line);
  color: var(--lb-muted);
  font-size: 11px;
}

/* 字号：A－ 预览 A＋ */
.lb-font-adjust {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lb-font-adjust button {
  flex: none;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--lb-line);
  border-radius: 14px;
  background: var(--lb-bg);
  color: var(--lb-ink-2);
  font-size: 13px;
  font-weight: 600;
  transition: border-color .2s var(--lb-ease), background .2s var(--lb-ease), color .2s var(--lb-ease);
}

.lb-font-adjust button:hover {
  border-color: var(--lb-coral);
  background: var(--lb-coral-soft);
  color: var(--lb-coral-deep);
}

.lb-font-preview {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: center;
  color: var(--lb-ink);
  transition: font-size .18s var(--lb-ease);
}

/* 背景：色卡 + 名称 */
.lb-theme-switch {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.lb-theme-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  border: 0;
  background: none;
  padding: 0;
}

.lb-theme-item small {
  color: var(--lb-muted);
  font-size: 11px;
  transition: color .2s var(--lb-ease);
}

.lb-theme-dot {
  width: 34px;
  height: 34px;
  border: 2px solid transparent;
  border-radius: 12px 12px 12px 4px;
  background: #fffdf7;
  box-shadow: inset 0 0 0 1px var(--lb-line-strong);
  transition: transform .18s var(--lb-ease), border-color .18s var(--lb-ease);
}

.lb-theme-dot--sage { background: #e7f0e0; }
.lb-theme-dot--dusk { background: #2b2822; box-shadow: inset 0 0 0 1px #4a453c; }

.lb-theme-item:hover .lb-theme-dot {
  transform: scale(1.08);
}

.lb-theme-item.is-active .lb-theme-dot {
  border-color: var(--lb-coral);
}

.lb-theme-item.is-active small {
  color: var(--lb-coral-deep);
  font-weight: 500;
}

/* 行距：分段选择 */
.lb-seg {
  display: flex;
  gap: 6px;
}

.lb-seg button {
  flex: 1;
  height: 36px;
  border: 1px solid var(--lb-line);
  border-radius: 10px;
  background: var(--lb-bg);
  color: var(--lb-ink-2);
  font-size: 12px;
  transition: border-color .18s var(--lb-ease), background .18s var(--lb-ease), color .18s var(--lb-ease);
}

.lb-seg button:hover {
  border-color: var(--lb-coral);
  color: var(--lb-coral-deep);
}

.lb-seg button.is-active {
  border-color: var(--lb-coral);
  background: var(--lb-coral-soft);
  color: var(--lb-coral-deep);
  font-weight: 500;
}

/* 阅读主题（data-theme 值保持 sage/dusk 以兼容已存设置） */
.lb-body--reader[data-reader-theme="sage"] { background: #e7f0e0; }
.lb-body--reader[data-reader-theme="sage"] .lb-reader__paper { background: #f4faf0; border-color: #d7e4d0; }
.lb-body--reader[data-reader-theme="sage"] .lb-reader__body { color: #3c463a; }

.lb-body--reader[data-reader-theme="dusk"] { background: #23201b; }
.lb-body--reader[data-reader-theme="dusk"] .lb-reader-top { background: rgba(35, 32, 27, .92); border-color: #3c3830; }
.lb-body--reader[data-reader-theme="dusk"] .lb-reader-top a,
.lb-body--reader[data-reader-theme="dusk"] .lb-reader__top__title,
.lb-body--reader[data-reader-theme="dusk"] .lb-icon-btn { color: #c9c3b4; }
.lb-body--reader[data-reader-theme="dusk"] .lb-reader__paper { background: #2b2822; border-color: #3c3830; box-shadow: none; }
.lb-body--reader[data-reader-theme="dusk"] .lb-reader__body { color: #ccc6b6; }
.lb-body--reader[data-reader-theme="dusk"] .lb-reader__head,
.lb-body--reader[data-reader-theme="dusk"] .lb-reader__end { border-color: #3c3830; }
.lb-body--reader[data-reader-theme="dusk"] .lb-reader__book,
.lb-body--reader[data-reader-theme="dusk"] .lb-reader__meta,
.lb-body--reader[data-reader-theme="dusk"] .lb-reader__end p { color: #8d8778; }
.lb-body--reader[data-reader-theme="dusk"] .lb-reader__end h2 { color: #ccc6b6; }
.lb-body--reader[data-reader-theme="dusk"] .lb-reader-nav-btn { background: #2b2822; border-color: #3c3830; }
.lb-body--reader[data-reader-theme="dusk"] .lb-reader-nav-btn > span { color: #ccc6b6; }
.lb-body--reader[data-reader-theme="dusk"] .lb-reader-nav-btn small { color: #8d8778; }
.lb-body--reader[data-reader-theme="dusk"] .lb-reader-nav-btn:hover { border-color: #6b6353; background: #322e27; }
.lb-body--reader[data-reader-theme="dusk"] .lb-reader-nav-btn.is-disabled { background: transparent; }
.lb-body--reader[data-reader-theme="dusk"] .lb-reader__rating { background: #2b2822; }
.lb-body--reader[data-reader-theme="dusk"] .lb-reader__rating h3 { color: #ccc6b6; }
.lb-body--reader[data-reader-theme="dusk"] .lb-reader__more { border-color: #3c3830; }
.lb-body--reader[data-reader-theme="dusk"] .lb-section-head h2 { color: #ccc6b6; }
.lb-body--reader[data-reader-theme="dusk"] .lb-section-head p,
.lb-body--reader[data-reader-theme="dusk"] .lb-section-head__more { color: #8d8778; }
.lb-body--reader[data-reader-theme="dusk"] .lb-mini-list a { color: #b5ae9d; border-color: #3c3830; }
.lb-body--reader[data-reader-theme="dusk"] .lb-mini-list a small { color: #8d8778; }

/* ============================== 账户 / 认证 ============================== */

.lb-auth {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - var(--lb-header-h) - 1px);
}

.lb-auth__aside {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  padding: 56px 60px;
  background: var(--lb-coral-soft);
}

.lb-auth__aside::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -100px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .4);
}

.lb-auth__quote {
  max-width: 330px;
  color: var(--lb-ink-2);
  font-size: 19px;
  line-height: 1.9;
}

.lb-auth__quote small {
  display: block;
  margin-top: 14px;
  color: var(--lb-muted);
  font-size: 12px;
}

.lb-auth__main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 28px;
}

.lb-auth__card {
  width: 100%;
  max-width: 380px;
}

.lb-auth__card > h1 {
  font-size: 28px;
}

.lb-auth__card > p {
  margin: 8px 0 30px;
  color: var(--lb-muted);
  font-size: 13px;
}

.lb-auth__form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.lb-auth__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

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

.lb-auth__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 20px;
  color: var(--lb-muted);
  font-size: 12px;
}

.lb-auth__foot a {
  color: var(--lb-coral-deep);
}

.lb-account-page {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.lb-profile-card {
  padding: 30px;
  border: 1px solid var(--lb-line);
  border-radius: var(--lb-radius-lg);
  background: var(--lb-surface);
  text-align: center;
}

.lb-profile-card .lb-avatar {
  margin: 0 auto 14px;
}

.lb-profile-card h2 {
  font-size: 19px;
}

.lb-profile-card > p {
  margin-top: 4px;
  color: var(--lb-muted);
  font-size: 12px;
}

.lb-profile-card__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px dashed var(--lb-line);
}

.lb-profile-card__stats strong {
  display: block;
  font-size: 19px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.lb-profile-card__stats span {
  color: var(--lb-muted);
  font-size: 11px;
}

.lb-account-panel {
  padding: 30px;
  border: 1px solid var(--lb-line);
  border-radius: var(--lb-radius-lg);
  background: var(--lb-surface);
}

.lb-account-panel + .lb-account-panel {
  margin-top: 20px;
}

.lb-account-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.lb-account-panel__head h2 {
  font-size: 17px;
}

.lb-info-list {
  display: flex;
  flex-direction: column;
}

.lb-info-list__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--lb-line);
  font-size: 13px;
}

.lb-info-list__row:last-child {
  border-bottom: 0;
}

.lb-info-list__row span {
  color: var(--lb-muted);
}

.lb-quick-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.lb-quick-link {
  padding: 18px;
  border: 1px solid var(--lb-line);
  border-radius: 16px;
  background: var(--lb-bg);
  transition: border-color .2s var(--lb-ease), background .2s var(--lb-ease), transform .2s var(--lb-ease);
}

.lb-quick-link:hover {
  border-color: var(--lb-coral);
  background: var(--lb-coral-soft);
  transform: translateY(-2px);
}

.lb-quick-link strong {
  display: block;
  font-size: 14px;
}

.lb-quick-link small {
  color: var(--lb-muted);
  font-size: 11px;
}

/* ============================== 书架 / 历史 ============================== */

.lb-shelf-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.lb-shelf-card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  min-width: 0;
  padding: 20px 22px 22px;
  border-radius: var(--lb-radius-lg);
  background: var(--lb-surface);
  border: 1px solid var(--lb-line);
}

.lb-shelf-card:nth-child(4n + 2) { background: var(--lb-mint-soft); border-color: transparent; }
.lb-shelf-card:nth-child(4n + 3) { background: var(--lb-butter-soft); border-color: transparent; }
.lb-shelf-card:nth-child(4n)     { background: var(--lb-sky-soft); border-color: transparent; }

.lb-shelf-card__title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 15px;
  font-weight: 600;
}

.lb-shelf-card__chapter {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--lb-muted);
  font-size: 12px;
}

.lb-shelf-card__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 6px;
}

.lb-history-list {
  display: flex;
  flex-direction: column;
}

.lb-history-item {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 17px 6px;
  border-bottom: 1px dashed var(--lb-line);
}

.lb-history-item__main {
  flex: 1;
  min-width: 0;
}

.lb-history-item__main h3 {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 14px;
}

.lb-history-item__main p {
  margin-top: 3px;
  color: var(--lb-muted);
  font-size: 12px;
}

.lb-history-item__time {
  flex: none;
  color: var(--lb-muted);
  font-size: 11px;
}

/* ============================== 标签 ============================== */

.lb-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.lb-tag-cloud a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 17px;
  border: 1px solid var(--lb-line);
  border-radius: 999px;
  background: var(--lb-surface);
  color: var(--lb-ink-2);
  font-size: 13px;
  transition: border-color .2s var(--lb-ease), background .2s var(--lb-ease), color .2s var(--lb-ease);
}

.lb-tag-cloud a:hover {
  border-color: var(--lb-coral);
  background: var(--lb-coral-soft);
  color: var(--lb-coral-deep);
}

.lb-tag-cloud a small {
  color: var(--lb-muted);
  font-size: 11px;
}

/* ============================== 提示页 ============================== */

.lb-jump {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--lb-header-h) - 260px);
  padding: 60px 20px;
}

.lb-jump__card {
  width: 100%;
  max-width: 440px;
  padding: 40px;
  border: 1px solid var(--lb-line);
  border-radius: var(--lb-radius-lg);
  background: var(--lb-surface);
  text-align: center;
}

.lb-jump__icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  margin: 0 auto 18px;
  border-radius: 18px 18px 18px 5px;
  background: var(--lb-mint-soft);
  color: var(--lb-mint-deep);
  font-size: 22px;
  font-weight: 600;
}

.lb-jump__card h1 {
  font-size: 20px;
}

.lb-jump__card p {
  margin-top: 10px;
  color: var(--lb-muted);
  font-size: 13px;
}

.lb-jump__actions {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 24px;
}

/* ============================== 响应式 ============================== */

@media (max-width: 1024px) {
  .lb-detail-layout { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .lb-detail-side { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .lb-side-card + .lb-side-card { margin-top: 0; }
  .lb-chapter-grid,
  .lb-chapter-links { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lb-shelf-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lb-account-page { grid-template-columns: 260px minmax(0, 1fr); gap: 26px; }
}

@media (max-width: 860px) {
  .lb-hero { padding-top: 14px; }
  .lb-home-grid { grid-template-columns: 1fr; gap: 40px; }
  .lb-category-cards { grid-template-columns: 1fr; }
  .lb-sort-list { grid-template-columns: 1fr; }
  .lb-auth { grid-template-columns: 1fr; min-height: 0; }
  .lb-auth__aside { display: none; }
  .lb-auth__main { padding: 56px 22px 70px; }
  .lb-account-page { grid-template-columns: 1fr; }
  .lb-profile-card { text-align: left; }
  .lb-profile-card .lb-avatar { margin: 0 0 14px; }
  .lb-reader__paper { padding: 42px 40px 46px; }
  .lb-mini-list { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .lb-hero__hi { font-size: 27px; }
  .lb-feature { padding: 24px 22px 26px; }
  .lb-feature__title { font-size: 19px; }
  .lb-feature__intro { -webkit-line-clamp: 2; }
  .lb-sort-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .lb-sort-head p { text-align: left; }
  .lb-sort-item__time { display: none; }
  .lb-detail-stats { gap: 18px; }
  .lb-chapter-grid,
  .lb-chapter-links { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lb-detail-side { grid-template-columns: 1fr; }
  .lb-reader-top__title { display: none; }
  .lb-reader { padding: 18px 12px 40px; }
  .lb-reader__paper { padding: 30px 22px 34px; border-radius: 4px; }
  .lb-reader__nav { gap: 8px; }
  .lb-reader-nav-btn { min-height: 56px; padding: 8px 10px; border-radius: 14px; }
  .lb-reader-nav-btn--toc { width: 52px; min-height: 56px; }
  .lb-quick-links { grid-template-columns: 1fr 1fr; }
  .lb-shelf-grid { grid-template-columns: 1fr; }
  .lb-jump__card { padding: 30px 22px; }
}

@media (max-width: 420px) {
  .lb-feature__intro { display: none; }
  .lb-detail-hero::before { display: none; }
  .lb-reader__paper { padding: 26px 18px 30px; }
  .lb-account-panel { padding: 22px; }
}