/* =========================================================
   里番 · kummdt.com 全站样式
   家居选品风：米白底、暖红点缀、实体书阴影
   ========================================================= */

/* =========================================================
   Base
   ========================================================= */
:root {
  --color-bg: #F7F3EC;
  --color-card: #FFFFFF;
  --color-ink: #241F1A;
  --color-accent: #C7452F;
  --color-blue: #295FA6;
  --color-mustard: #E2A93B;
  --color-line: #E5DED2;
  --color-muted: #6E665C;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
  --font-serif: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", Georgia, serif;
  --container: 1180px;
  --radius: 8px;
  --shadow-card: 0 1px 3px rgba(36, 31, 26, 0.08), 0 4px 14px rgba(36, 31, 26, 0.05);
  --shadow-lift: 0 4px 12px rgba(36, 31, 26, 0.12), 0 10px 28px rgba(36, 31, 26, 0.08);
  --header-h: 72px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-ink);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--color-ink);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-accent);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-ink);
}

button {
  font-family: var(--font-sans);
  border: none;
  background: none;
  cursor: pointer;
  font-size: 15px;
}

table {
  border-collapse: collapse;
  width: 100%;
}

.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-main {
  flex: 1;
}

/* 首页与内页的站点级容器 */
.site-home .home-main,
.inner-main {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* 内页正文容器宽度统一 */
.inner-main {
  padding-top: 36px;
  padding-bottom: 64px;
}

/* 数字使用等宽数字 */
.record-date,
.update-date,
.fact-value,
.volume-table,
.convention-table,
.book-index,
.card-index {
  font-variant-numeric: tabular-nums;
}

/* 给图片容器统一底色，避免加载闪白 */
figure {
  background: #F0EBE2;
}

/* 通用文本链接（内嵌在段落中） */
.text-link {
  color: var(--color-accent);
  font-weight: 600;
  border-bottom: 1px solid rgba(199, 69, 47, 0.3);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.text-link:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* =========================================================
   Layout：页头 / 页脚 / 面包屑 / 页面标题区
   ========================================================= */

/* --- 页头 --- */
.site-header {
  background: var(--color-card);
  border-bottom: 1px solid var(--color-line);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 32px;
}

.brand-block {
  flex-shrink: 0;
}

.brand-link {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: 0.02em;
}

.brand-tagline {
  font-size: 13px;
  color: var(--color-muted);
  display: none;
}

.site-nav {
  margin-left: auto;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: 8px 16px;
  font-size: 15px;
  color: var(--color-ink);
  border-radius: 4px;
  font-weight: 500;
  transition: background 0.2s ease, color 0.2s ease;
}

.nav-link:hover {
  background: rgba(199, 69, 47, 0.06);
  color: var(--color-accent);
}

.nav-link.is-current {
  color: var(--color-accent);
  font-weight: 600;
}

.nav-link.is-current::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 2px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}

/* 汉堡按钮（手机显示） */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  background: transparent;
  border-radius: 4px;
  z-index: 110;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-ink);
  border-radius: 1px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* 展开态图标变化 */
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- 面包屑 --- */
.breadcrumb {
  font-size: 13px;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

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

.breadcrumb a:hover {
  color: var(--color-accent);
}

.breadcrumb-current {
  color: var(--color-ink);
  font-weight: 500;
}

.breadcrumb-sep {
  color: var(--color-line);
}

/* --- 页面标题区（内页统一） --- */
.page-header {
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-line);
  position: relative;
}

/* 栏目色带标识（内页标题区上方） */
.inner-main .page-header::before {
  content: "";
  display: block;
  width: 44px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 2px;
  margin-bottom: 16px;
}

.page-title {
  font-size: 28px;
  line-height: 1.3;
  margin-bottom: 10px;
}

.page-description {
  font-size: 15px;
  color: var(--color-muted);
  max-width: 720px;
}

.page-intro,
.page-lead {
  font-size: 15px;
  color: var(--color-muted);
  max-width: 720px;
  margin-top: 8px;
}

/* --- 页脚 --- */
.site-footer {
  background: #EDE7DC;
  border-top: 1px solid var(--color-line);
  margin-top: auto;
}

.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 48px 24px 24px;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.footer-title {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 14px;
  letter-spacing: 0.01em;
}

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

.footer-link {
  font-size: 14px;
  color: var(--color-muted);
}

.footer-link:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid var(--color-line);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
}

.footer-year {
  font-size: 13px;
  color: var(--color-muted);
}

/* 页脚说明（不属于四栏，位于栏目与底部之间） */
.footer-note {
  grid-column: 1 / -1;
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
  padding-top: 20px;
  border-top: 1px solid var(--color-line);
  margin-top: -8px;
}

/* =========================================================
   Components：通用区块标题 / 卡片 / 链接
   ========================================================= */

.section-heading {
  margin-bottom: 24px;
}

.section-title {
  font-size: 20px;
  color: var(--color-ink);
  margin-bottom: 6px;
  position: relative;
  padding-left: 14px;
}

.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.14em;
  bottom: 0.14em;
  width: 4px;
  background: var(--color-accent);
  border-radius: 2px;
}

.section-desc {
  font-size: 14px;
  color: var(--color-muted);
  max-width: 640px;
  padding-left: 14px;
}

.section-more {
  margin-top: 28px;
  text-align: center;
}

/* 通用文本链接带箭头（页面内多处） */
.link-arrow {
  display: inline-block;
  transition: transform 0.2s ease;
}

a:hover .link-arrow {
  transform: translateX(3px);
}

/* 按钮型链接 */
.button-link {
  display: inline-block;
  padding: 10px 22px;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  transition: background 0.2s ease, transform 0.2s ease;
}

.button-link:hover {
  background: #A93A26;
  color: #fff;
  transform: translateY(-1px);
}

/* 卡片通用阴影和过渡 */
.desk-card,
.book-card,
.result-card,
.range-card,
.length-card,
.tide-record {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.desk-card:hover,
.book-card:hover,
.result-card:hover,
.range-card:hover,
.length-card:hover {
  box-shadow: var(--shadow-lift);
  transform: translateY(-2px);
}

/* =========================================================
   Components：首页
   ========================================================= */

/* --- Hero 区 --- */
.home-hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding: 44px 0 40px;
}

.hero-copy {
  max-width: 560px;
}

.hero-title {
  font-size: 36px;
  line-height: 1.25;
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 16px;
  color: var(--color-ink);
  margin-bottom: 12px;
  line-height: 1.7;
}

.hero-note {
  font-size: 14px;
  color: var(--color-muted);
}

.hero-figure {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.hero-image {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* --- 更新潮汐摘要 --- */
.tide-summary-section {
  padding: 40px 0;
  border-top: 1px solid var(--color-line);
}

.tide-summary-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 36px;
  align-items: start;
}

.tide-records {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tide-record {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
}

.record-date {
  font-size: 13px;
  color: var(--color-blue);
  font-weight: 600;
  flex-shrink: 0;
  width: 92px;
}

.record-body {
  flex: 1;
  min-width: 0;
}

.record-name {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 2px;
}

.record-meta {
  font-size: 13px;
  color: var(--color-muted);
}

.record-tag {
  flex-shrink: 0;
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 3px;
  background: rgba(199, 69, 47, 0.1);
  color: var(--color-accent);
  font-weight: 500;
}

.tide-note {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 24px;
}

.note-title {
  font-size: 16px;
  margin-bottom: 10px;
}

.tide-note p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
}

/* --- 选册工作台 --- */
.workbench-section {
  padding: 40px 0;
  border-top: 1px solid var(--color-line);
}

/* 双栏：左条件 / 右结果 */
.workbench-layout.sidebar-left {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 36px;
  align-items: start;
}

.filter-panel {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 24px;
  position: sticky;
  top: calc(var(--header-h) + 20px);
}

.panel-title {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--color-ink);
}

.panel-title:not(:first-child) {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--color-line);
}

.filter-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.filter-link {
  display: inline-block;
  padding: 5px 12px;
  font-size: 13px;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: 4px;
  color: var(--color-ink);
  transition: all 0.2s ease;
}

.filter-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(199, 69, 47, 0.04);
}

.result-panel {
  min-width: 0;
}

.result-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.result-card {
  padding: 20px 24px;
}

.result-name {
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}

.result-tags {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 6px;
}

.result-status {
  display: inline-block;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 3px;
  background: rgba(41, 95, 166, 0.1);
  color: var(--color-blue);
  margin-bottom: 8px;
  font-weight: 500;
}

.result-note {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.65;
}

.workbench-guide {
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 20px 24px;
}

.workbench-guide p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
}

/* --- 编辑在读横滑区 --- */
.reading-section {
  padding: 40px 0;
  border-top: 1px solid var(--color-line);
}

.desk-scroll {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.desk-card {
  padding: 14px;
  display: flex;
  flex-direction: column;
}

.card-index {
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.desk-art {
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 10px;
  background: var(--color-bg);
}

.desk-image {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.desk-name {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

.desk-reason {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.55;
  flex: 1;
}

/* --- 篇幅速查三档 --- */
.length-section {
  padding: 40px 0;
  border-top: 1px solid var(--color-line);
}

.length-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.length-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.length-name {
  font-size: 18px;
  margin-bottom: 8px;
}

.length-range {
  font-size: 14px;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 10px;
}

.length-desc {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.65;
  margin-bottom: 16px;
  flex: 1;
}

.card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.card-link:hover {
  color: #A93A26;
}

/* --- FAQ 与站内约定 --- */
.faq-entry-section {
  padding: 40px 0;
  border-top: 1px solid var(--color-line);
}

.faq-preview {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.faq-item {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.faq-item summary {
  padding: 16px 24px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 44px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: var(--color-accent);
  font-weight: 400;
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item[open] summary {
  border-bottom: 1px solid var(--color-line);
}

.faq-item p {
  padding: 16px 24px;
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
}

.site-convention {
  background: rgba(226, 169, 59, 0.1);
  border: 1px solid rgba(226, 169, 59, 0.3);
  border-radius: var(--radius);
  padding: 24px;
}

.convention-title {
  font-size: 16px;
  margin-bottom: 10px;
}

.site-convention p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 10px;
}

/* =========================================================
   Components：内页通用
   ========================================================= */

/* 分类总目：双栏布局 */
.layout-shell.sidebar-left {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 36px;
  align-items: start;
}

/* 侧栏 */
.catalog-sidebar {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 24px;
  position: sticky;
  top: calc(var(--header-h) + 20px);
}

.sidebar-title {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.sidebar-note {
  font-size: 12px;
  color: var(--color-muted);
  margin-bottom: 12px;
  line-height: 1.5;
}

.sidebar-title:not(:first-child) {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--color-line);
}

.genre-list,
.status-list,
.length-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.genre-item,
.status-item,
.length-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px;
  border-radius: 4px;
  transition: background 0.2s ease;
}

.genre-item:hover,
.status-item:hover,
.length-item:hover {
  background: var(--color-bg);
}

.genre-link,
.status-link,
.length-link {
  font-size: 14px;
  color: var(--color-ink);
  flex: 1;
}

.genre-link:hover,
.status-link:hover,
.length-link:hover {
  color: var(--color-accent);
}

.genre-count {
  font-size: 12px;
  color: var(--color-muted);
  background: var(--color-bg);
  padding: 1px 7px;
  border-radius: 10px;
}

/* 右侧内容区 */
.catalog-content {
  min-width: 0;
}

.catalog-figure {
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 32px;
}

.catalog-hero-img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.catalog-figure figcaption {
  font-size: 13px;
  color: var(--color-muted);
  padding: 8px 12px;
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
}

/* 分类区块 */
.catalog-section {
  margin-bottom: 40px;
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.catalog-section .section-title {
  margin-bottom: 4px;
}

.catalog-section .section-desc {
  margin-bottom: 16px;
}

.work-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.work-card {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

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

.work-item {
  padding: 16px 20px;
}

.work-name {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.work-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.work-meta {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.55;
  margin-bottom: 6px;
}

.work-note {
  font-size: 13px;
  color: var(--color-muted);
  font-style: normal;
  line-height: 1.55;
}

.meta-label {
  font-weight: 600;
  color: var(--color-ink);
}

/* 篇幅轴引导（分类页） */
.length-axis {
  margin-top: 16px;
}

.length-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.length-card-title {
  font-size: 17px;
  margin-bottom: 6px;
}

.length-card-range {
  font-size: 13px;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 8px;
}

.length-card-desc {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 12px;
}

.length-card-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
}

/* 阅读说明块（分类页） */
.reading-note {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 24px;
  margin-top: 40px;
}

.reading-note .note-title {
  margin-bottom: 10px;
}

.reading-note .note-text {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 10px;
}

.reading-note .note-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
}

/* 相邻导航（分类页底部） */
.adjacent-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--color-line);
}

.adjacent-link {
  font-size: 14px;
  color: var(--color-muted);
  padding: 8px 0;
}

.adjacent-link:hover {
  color: var(--color-accent);
}

/* =========================================================
   Components：更新潮汐页
   ========================================================= */

.update-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
  margin-bottom: 40px;
}

.visual-copy .section-title {
  margin-bottom: 12px;
}

.visual-copy p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
}

.visual-figure {
  border-radius: var(--radius);
  overflow: hidden;
}

.visual-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.visual-figure figcaption {
  font-size: 13px;
  color: var(--color-muted);
  padding: 8px 12px;
  background: var(--color-card);
}

/* 状态图例 */
.status-legend {
  margin-bottom: 40px;
}

.legend-list {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 12px 18px;
  flex: 1;
  min-width: 200px;
}

.legend-tag {
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 3px;
  font-weight: 500;
  flex-shrink: 0;
}

.legend-tankoubon {
  background: rgba(199, 69, 47, 0.1);
  color: var(--color-accent);
}

.legend-serial {
  background: rgba(41, 95, 166, 0.1);
  color: var(--color-blue);
}

.legend-hanhua {
  background: rgba(226, 169, 59, 0.15);
  color: #9A6A16;
}

.legend-desc {
  font-size: 13px;
  color: var(--color-muted);
  margin: 0;
}

/* 更新日志 */
.update-log {
  margin-bottom: 40px;
}

.update-day-group {
  margin-bottom: 32px;
}

.day-heading {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-blue);
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-blue);
  margin-bottom: 14px;
}

.update-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.update-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 12px 18px;
  font-size: 14px;
}

.update-type {
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 3px;
  font-weight: 500;
  flex-shrink: 0;
  min-width: 70px;
  text-align: center;
}

.update-title {
  font-weight: 600;
  flex: 1;
  min-width: 120px;
}

.update-meta {
  color: var(--color-muted);
  font-size: 13px;
  min-width: 100px;
}

.update-status {
  font-size: 13px;
  color: var(--color-accent);
  min-width: 60px;
}

.update-date {
  font-size: 13px;
  color: var(--color-muted);
  min-width: 90px;
  text-align: right;
}

/* 追更说明 */
.follow-update {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 24px;
}

.follow-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.follow-text {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
}

.follow-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.action-link {
  display: inline-block;
  padding: 8px 18px;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  transition: background 0.2s ease;
}

.action-link:hover {
  background: #A93A26;
  color: #fff;
}

/* 相关链接 */
.related-links {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
  padding: 16px;
  background: var(--color-bg);
  border-radius: var(--radius);
}

.related-links-label {
  font-size: 13px;
  color: var(--color-muted);
  font-weight: 600;
}

.related-links-item {
  font-size: 13px;
  color: var(--color-accent);
  font-weight: 500;
}

.related-links-item:hover {
  text-decoration: underline;
}

/* =========================================================
   Components：编辑在读页
   ========================================================= */

.desk-visual {
  margin-bottom: 40px;
}

.desk-visual > .section-title {
  margin-bottom: 16px;
}

.desk-media {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
  margin-bottom: 16px;
}

.desk-figure {
  border-radius: var(--radius);
  overflow: hidden;
}

.desk-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.desk-figure figcaption {
  font-size: 13px;
  color: var(--color-muted);
  padding: 8px 12px;
  background: var(--color-card);
}

.desk-note {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  max-width: 720px;
}

/* 案头五本 */
.desk-books {
  margin-bottom: 40px;
}

.book-slider {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.book-card {
  padding: 12px;
  display: flex;
  flex-direction: column;
}

.book-card-media {
  position: relative;
  margin-bottom: 12px;
}

.book-card-media img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 4px;
}

.book-index {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--color-accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-family: var(--font-serif);
}

.book-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.book-name {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

.book-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 6px;
}

.book-tag {
  font-size: 11px;
  padding: 2px 6px;
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: 3px;
  color: var(--color-muted);
}

.book-length {
  font-size: 13px;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: 6px;
}

.book-reason {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.55;
}

/* 选入说明 */
.selection-note {
  margin-bottom: 40px;
}

.note-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.note-item {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 20px 24px;
}

.note-heading {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-accent);
}

.note-item p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.65;
}

/* 同类作品入口 */
.similar-entry {
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 16px;
}

.entry-desc {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 16px;
  max-width: 640px;
}

.entry-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.entry-link {
  display: inline-block;
  padding: 8px 18px;
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-ink);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.entry-link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* =========================================================
   Components：厚度指南页
   ========================================================= */

.length-range-section {
  margin-bottom: 48px;
}

.section-intro {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 24px;
  max-width: 720px;
}

.range-card-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.range-card {
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  border-top: 3px solid var(--color-accent);
}

.range-tankoubon {
  border-top-color: var(--color-blue);
}

.range-serial {
  border-top-color: var(--color-mustard);
}

.range-card-title {
  font-size: 18px;
  margin-bottom: 8px;
}

.range-desc {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.65;
  margin-bottom: 16px;
}

.range-facts {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
  flex: 1;
}

.range-fact-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 8px 0;
  border-bottom: 1px dashed var(--color-line);
  font-size: 14px;
}

.fact-label {
  color: var(--color-muted);
}

.fact-value {
  font-weight: 600;
  color: var(--color-ink);
}

.range-card .text-link {
  align-self: flex-start;
}

/* 阅读体量对比 */
.volume-guide-section {
  margin-bottom: 48px;
}

.volume-compare-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 36px;
  align-items: start;
}

.volume-figure {
  border-radius: var(--radius);
  overflow: hidden;
}

.volume-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.figure-caption {
  font-size: 13px;
  color: var(--color-muted);
  padding: 8px 12px;
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
}

.volume-table-wrap {
  min-width: 0;
}

.volume-table {
  background: var(--color-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-line);
}

.table-caption {
  text-align: left;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-ink);
  padding: 14px 18px;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-line);
  caption-side: top;
}

.table-head .table-row {
  background: var(--color-bg);
}

.table-head-cell,
.table-cell {
  padding: 12px 18px;
  font-size: 14px;
  text-align: left;
  border-bottom: 1px solid var(--color-line);
}

.table-head-cell {
  font-weight: 600;
  color: var(--color-ink);
}

.table-body .table-row:last-child .table-cell {
  border-bottom: none;
}

.table-cell {
  color: var(--color-muted);
}

.table-note {
  font-size: 13px;
  color: var(--color-muted);
  padding: 12px 4px 0;
  line-height: 1.6;
}

/* 选择路径 */
.choose-path-section {
  margin-bottom: 48px;
}

.path-step-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.path-step {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
}

.step-number {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-accent);
  display: block;
  margin-bottom: 10px;
  line-height: 1;
  opacity: 0.25;
}

.step-title {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-desc {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.65;
  margin-bottom: 14px;
}

.path-step .text-link {
  font-size: 14px;
}

/* 篇幅问答引流 */
.length-faq-teaser {
  margin-bottom: 48px;
}

.faq-teaser-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.faq-teaser-item {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.faq-teaser-title {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.faq-teaser-text {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.65;
  margin-bottom: 14px;
  flex: 1;
}

.faq-teaser-item .text-link {
  font-size: 13px;
}

.faq-more-link {
  text-align: center;
  margin-top: 24px;
}

/* 编辑笔记横幅 */
.editor-note-banner {
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.editor-note-banner .section-title {
  margin-bottom: 0;
}

.editor-note-text {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.75;
  max-width: 720px;
}

.editor-note-banner .button-link {
  align-self: flex-start;
}

/* =========================================================
   Components：FAQ 页
   ========================================================= */

.faq-intro {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 36px;
  align-items: center;
  margin-bottom: 48px;
}

.faq-intro-media {
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-intro-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.faq-intro-text p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 12px;
}

.faq-section {
  margin-bottom: 44px;
}

.faq-section > .section-title {
  margin-bottom: 16px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.faq-question {
  padding: 16px 24px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 44px;
  transition: background 0.2s ease;
}

.faq-question:hover {
  background: rgba(199, 69, 47, 0.03);
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: var(--color-accent);
  font-weight: 400;
}

.faq-item[open] .faq-question::after {
  content: "−";
}

.faq-item[open] .faq-question {
  border-bottom: 1px solid var(--color-line);
}

.faq-answer {
  padding: 16px 24px;
}

.faq-answer p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 8px;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

/* 站内约定简表 */
.faq-convention {
  margin-bottom: 16px;
}

.convention-table-wrap {
  overflow-x: auto;
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.convention-table {
  min-width: 560px;
}

.convention-table th,
.convention-table td {
  padding: 12px 18px;
  font-size: 14px;
  text-align: left;
  border-bottom: 1px solid var(--color-line);
}

.convention-table thead th {
  background: var(--color-bg);
  font-weight: 600;
  color: var(--color-ink);
}

.convention-table tbody tr:last-child td {
  border-bottom: none;
}

.convention-table td {
  color: var(--color-muted);
}

.convention-note {
  font-size: 13px;
  color: var(--color-muted);
  padding: 12px 4px 0;
  line-height: 1.6;
}

/* =========================================================
   Components：404 页
   ========================================================= */

.error-main {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  text-align: center;
}

.error-code {
  font-family: var(--font-serif);
  font-size: 96px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  opacity: 0.2;
  margin-bottom: 8px;
}

.error-title {
  font-size: 28px;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 15px;
  color: var(--color-muted);
  max-width: 480px;
  margin-bottom: 24px;
  margin-left: auto;
  margin-right: auto;
}

.error-btn {
  display: inline-block;
  padding: 10px 24px;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 15px;
  transition: background 0.2s ease;
}

.error-btn:hover {
  background: #A93A26;
  color: #fff;
}

.error-help {
  margin-top: 48px;
  text-align: center;
  width: 100%;
  max-width: 640px;
}

.error-help-title {
  font-size: 18px;
  margin-bottom: 20px;
}

.error-help-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.error-help-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 12px 20px;
  gap: 16px;
}

.error-help-link {
  font-weight: 600;
  font-size: 15px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.error-help-desc {
  font-size: 13px;
  color: var(--color-muted);
  text-align: left;
}

/* =========================================================
   Responsive：断点
   ========================================================= */

/* --- 1024px：平板 --- */
@media (max-width: 1024px) {
  .desk-scroll,
  .book-slider {
    grid-template-columns: repeat(3, 1fr);
  }

  .book-card:nth-child(n+4),
  .desk-card:nth-child(n+4) {
    grid-column: span 1;
  }

  .range-card-group,
  .faq-teaser-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .path-step-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-cols {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .update-item {
    flex-wrap: wrap;
    gap: 8px;
  }

  .update-title {
    flex-basis: calc(100% - 90px);
  }

  .update-date {
    margin-left: auto;
  }
}

/* --- 900px：侧栏降级 --- */
@media (max-width: 900px) {
  .workbench-layout.sidebar-left,
  .layout-shell.sidebar-left {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .filter-panel,
  .catalog-sidebar {
    position: static;
  }

  .filter-list {
    flex-direction: row;
  }

  .genre-list,
  .status-list,
  .length-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
  }

  .tide-summary-layout {
    grid-template-columns: 1fr;
  }

  .tide-note {
    margin-top: 0;
  }

  .home-hero,
  .update-visual,
  .volume-compare-layout {
    grid-template-columns: 1fr;
  }

  .hero-figure {
    order: -1;
  }

  .desk-media {
    grid-template-columns: 1fr;
  }

  .faq-intro {
    grid-template-columns: 1fr;
  }

  .faq-intro-media {
    max-width: 480px;
  }

  /* 手机端核心内容优先：编辑在读前移 */
  .workbench-section {
    order: 6;
  }
}

/* --- 768px：手机 --- */
@media (max-width: 768px) {
  .site-main {
    padding: 0 16px;
  }

  .header-inner {
    padding: 0 16px;
    height: 64px;
  }

  .brand-tagline {
    display: none;
  }

  .brand-name {
    font-size: 21px;
  }

  /* 汉堡菜单：手机显示 */
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-card);
    border-bottom: 1px solid var(--color-line);
    box-shadow: 0 8px 16px rgba(36, 31, 26, 0.06);
    margin: 0;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px 16px;
  }

  .nav-list.is-open {
    display: flex;
  }

  .nav-item {
    border-bottom: 1px solid var(--color-line);
  }

  .nav-item:last-child {
    border-bottom: none;
  }

  .nav-link {
    padding: 12px 8px;
    font-size: 16px;
    border-radius: 0;
  }

  .nav-link.is-current {
    background: rgba(199, 69, 47, 0.04);
  }

  .nav-link.is-current::after {
    display: none;
  }

  /* 首页模块 */
  .home-hero {
    padding: 28px 0 24px;
    gap: 24px;
  }

  .hero-title {
    font-size: 26px;
  }

  .desk-scroll,
  .book-slider {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .desk-card:nth-child(n+3),
  .book-card:nth-child(n+3) {
    grid-column: span 1;
  }

  .length-cards {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .result-items {
    grid-template-columns: 1fr;
  }

  .tide-record {
    flex-wrap: wrap;
    gap: 8px;
  }

  .record-date {
    width: 100%;
  }

  .record-tag {
    margin-left: auto;
  }

  /* 内页 */
  .inner-main {
    padding-top: 24px;
    padding-bottom: 40px;
  }

  .breadcrumb {
    margin-bottom: 20px;
  }

  .page-header {
    margin-bottom: 24px;
    padding-bottom: 16px;
  }

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

  /* 更新潮汐 */
  .legend-list {
    flex-direction: column;
    gap: 10px;
  }

  .legend-item {
    min-width: 0;
  }

  .update-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 14px 16px;
  }

  .update-type {
    align-self: flex-start;
  }

  .update-title {
    flex-basis: auto;
  }

  .update-meta,
  .update-status,
  .update-date {
    min-width: 0;
    width: 100%;
    text-align: left;
  }

  .update-date {
    font-size: 12px;
    color: var(--color-muted);
  }

  /* 分类页 */
  .genre-list,
  .status-list,
  .length-list {
    grid-template-columns: 1fr;
  }

  .work-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .catalog-hero-img {
    aspect-ratio: 16 / 10;
  }

  /* 厚度指南 */
  .range-card-group,
  .path-step-list,
  .faq-teaser-list {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  /* FAQ */
  .faq-intro {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .faq-question {
    font-size: 14px;
    padding: 14px 40px 14px 18px;
  }

  .faq-answer {
    padding: 14px 18px;
  }

  /* 页脚 */
  .footer-inner {
    padding: 36px 16px 20px;
  }

  .footer-cols {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .error-code {
    font-size: 72px;
  }

  .error-help-list li {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  /* 编辑在读页：单列 */
  .desk-books .book-slider {
    grid-template-columns: 1fr;
  }

  .book-card {
    flex-direction: row;
    gap: 14px;
    align-items: flex-start;
  }

  .book-card-media {
    width: 110px;
    flex-shrink: 0;
    margin-bottom: 0;
  }

  .book-card-media img {
    aspect-ratio: 3 / 4;
  }

  /* 首页编辑在读：两列后转为单列 */
  .desk-scroll {
    grid-template-columns: 1fr;
  }

  .desk-card {
    flex-direction: row;
    gap: 14px;
    align-items: flex-start;
  }

  .desk-art {
    width: 90px;
    flex-shrink: 0;
    margin-bottom: 0;
  }

  .desk-image {
    aspect-ratio: 3 / 4;
  }

  .card-index {
    position: absolute;
    margin: 0;
    background: var(--color-accent);
    color: #fff;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 12px;
    z-index: 1;
  }

  .desk-card {
    position: relative;
  }

  .desk-card .desk-art {
    margin-top: 28px;
  }

  /* 首页五本卡转垂直布局后，编号调整为绝对定位，需要卡片有相对定位 */
  .desk-card {
    position: relative;
  }
}

/* --- 480px：小手机 --- */
@media (max-width: 480px) {
  .site-main {
    padding: 0 12px;
  }

  .header-inner {
    padding: 0 12px;
  }

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

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

  .section-heading {
    margin-bottom: 18px;
  }

  .filter-panel {
    padding: 16px;
  }

  .result-card {
    padding: 16px;
  }

  .range-card {
    padding: 20px 16px;
  }

  .path-step {
    padding: 18px 16px;
  }

  .faq-teaser-item {
    padding: 18px 16px;
  }

  .update-visual {
    gap: 20px;
  }

  .visual-figure img {
    aspect-ratio: 4 / 3;
  }

  .volume-table-wrap {
    overflow-x: auto;
  }

  .volume-table {
    min-width: 480px;
  }

  .convention-table-wrap {
    overflow-x: auto;
  }

  .note-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .entry-links {
    flex-direction: column;
    gap: 10px;
  }

  .entry-link {
    text-align: center;
  }

  .follow-actions {
    flex-direction: column;
    gap: 10px;
  }

  .action-link {
    text-align: center;
  }

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

  .book-card-media {
    width: 100%;
  }

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

  .desk-art {
    width: 100%;
    margin-top: 0 !important;
  }

  .card-index {
    position: static;
    background: transparent;
    color: var(--color-accent);
    width: auto;
    height: auto;
    border-radius: 0;
    font-size: 13px;
    margin-bottom: 6px;
    display: block;
  }

  .desk-card .desk-art {
    margin-top: 0;
  }

  .catalog-sidebar {
    padding: 16px;
  }

  .faq-intro-media {
    max-width: 100%;
  }

  .error-main {
    padding: 48px 16px;
  }

  .error-help-list li {
    padding: 12px 14px;
  }

  .footer-cols {
    gap: 20px;
  }
}

/* =========================================================
   动效增强（不影响初始可见性）
   ========================================================= */

/* 滚动上移动画：默认增强，reduced-motion 关闭 */
@media (prefers-reduced-motion: no-preference) {
  .tide-summary-section,
  .workbench-section,
  .reading-section,
  .length-section,
  .faq-entry-section,
  .catalog-section,
  .update-day-group,
  .range-card,
  .path-step,
  .faq-teaser-item,
  .book-card,
  .desk-card {
    animation: rise-in 0.5s ease both;
  }

  .tide-summary-section {
    animation-delay: 0.05s;
  }

  .workbench-section {
    animation-delay: 0.1s;
  }

  .reading-section {
    animation-delay: 0.15s;
  }

  .length-section {
    animation-delay: 0.2s;
  }

  .faq-entry-section {
    animation-delay: 0.25s;
  }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}