/* ==========================================================================
   17吃瓜 · 漫画题材目录与更新归档站
   全站样式表
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* ==========================================================================
   base —— 变量、重置、排版基础
   ========================================================================== */

:root {
  --c-primary: #1F3A5F;
  --c-primary-deep: #162C49;
  --c-ink: #2B2F36;
  --c-accent: #B23A2E;
  --c-accent-soft: #C9564A;
  --c-bg: #F7F6F3;
  --c-panel: #FFFFFF;
  --c-line: #D8D5CE;
  --c-line-soft: #E7E4DE;
  --c-muted: #5C6270;
  --c-muted-soft: #7A8090;

  --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Hiragino Sans GB", sans-serif;

  --w-container: 1200px;
  --w-main: 780px;
  --w-side: 300px;
  --gap-layout: 40px;
  --gap-block: 32px;

  --r-sm: 4px;
  --r-md: 6px;
  --r-lg: 8px;

  --shadow-card: 0 1px 2px rgba(31, 58, 95, 0.05);
  --shadow-lift: 0 4px 12px rgba(31, 58, 95, 0.10);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--c-bg);
  color: var(--c-ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 600;
  line-height: 1.4;
  color: var(--c-primary);
}

p {
  margin: 0 0 12px;
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: var(--c-primary);
  text-decoration: none;
  transition: color 0.18s ease;
}

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

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

figure {
  margin: 0;
}

figcaption {
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-muted);
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
}

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

time {
  font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   layout —— 全站骨架：容器、页头、导航、主区、页脚
   ========================================================================== */

.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--c-bg);
  color: var(--c-ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
}

/* --- 页头 --- */

.site-header {
  background-color: var(--c-panel);
  border-bottom: 1px solid var(--c-line);
  position: relative;
  z-index: 30;
}

.header-bar {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 0 20px;
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand {
  font-size: 20px;
  font-weight: 700;
  color: var(--c-primary);
  letter-spacing: 0;
  flex: none;
}

.brand:hover {
  color: var(--c-accent);
}

.brand-slogan {
  margin: 0;
  font-size: 13px;
  color: var(--c-muted);
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  flex: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background-color: var(--c-panel);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--c-primary);
  border-radius: 1px;
}

/* --- 栏目索引条 --- */

.site-nav {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 0;
  border-top: 1px solid var(--c-line-soft);
}

.nav-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  font-size: 14px;
  color: var(--c-ink);
  border-bottom: 2px solid transparent;
}

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

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

.nav-divider {
  display: block;
  width: 1px;
  height: 18px;
  margin: 0 10px;
  background-color: var(--c-line);
  flex: none;
}

.nav-anchors {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  margin-left: auto;
  gap: 0 4px;
}

.anchor-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 10px;
  font-size: 13px;
  color: var(--c-muted);
  white-space: nowrap;
}

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

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

/* --- 主区 --- */

.site-main {
  flex: 1 1 auto;
  width: 100%;
}

.home-main {
  display: block;
}

.inner-main {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 0 20px 56px;
}

/* --- 两栏布局：主内容在前，摘要栏在后 --- */

.page-layout {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 0 20px 56px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--w-side);
  gap: var(--gap-layout);
  align-items: start;
}

.main-column {
  min-width: 0;
}

.summary {
  min-width: 0;
  position: sticky;
  top: 20px;
  align-self: start;
}

/* 侧栏在左的兼容写法（真实 DOM 中当前未使用，保留安全默认） */

.sidebar-left .page-layout {
  grid-template-columns: var(--w-side) minmax(0, 1fr);
}

.sidebar-left .summary {
  order: -1;
}

/* --- 页脚 --- */

.site-footer {
  background-color: var(--c-primary);
  color: #E8EBF0;
  margin-top: auto;
}

.footer-top {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 32px 20px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.footer-brand {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 700;
  color: #FFFFFF;
}

.footer-slogan {
  margin: 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
}

.footer-groups {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 24px 20px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
}

.footer-group-title {
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: 600;
  color: #FFFFFF;
}

.footer-group ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-group a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.78);
  display: inline-block;
  min-height: 24px;
  line-height: 24px;
}

.footer-group a:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.footer-bottom {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 16px 20px 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.footer-note {
  margin: 0 0 6px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
}

.footer-copy {
  margin: 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.56);
}

/* ==========================================================================
   components —— 通用组件
   ========================================================================== */

/* --- 面包屑 --- */

.breadcrumb {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 16px 20px 0;
  font-size: 13px;
  color: var(--c-muted);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0 6px;
}

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

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

.breadcrumb ol {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0 6px;
}

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

.breadcrumb-current {
  color: var(--c-primary);
  font-weight: 600;
}

/* --- 内页标题区 --- */

.page-header {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 0 20px;
}

.page-title {
  font-size: 28px;
  line-height: 1.35;
  font-weight: 600;
  color: var(--c-primary);
}

.page-title-summary,
.page-title-desc,
.page-title-note {
  max-width: var(--w-container);
  margin: 0 auto 22px;
  padding: 0 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
}

.inner-main .breadcrumb {
  padding-left: 0;
  padding-right: 0;
}

.inner-main .page-header {
  padding-left: 0;
  padding-right: 0;
  margin-bottom: 8px;
}

.inner-main .page-title-summary,
.inner-main .page-title-desc,
.inner-main .page-title-note {
  padding-left: 0;
  padding-right: 0;
}

/* --- 区块标题与说明 --- */

.section-title,
.section-heading {
  font-size: 20px;
  line-height: 1.45;
  color: var(--c-primary);
  padding-left: 12px;
  border-left: 3px solid var(--c-primary);
  margin-bottom: 10px;
}

.section-intro {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
  margin-bottom: 18px;
}

.section-foot {
  margin: 16px 0 0;
  font-size: 14px;
}

.text-link {
  color: var(--c-accent);
  font-weight: 600;
  border-bottom: 1px solid rgba(178, 58, 46, 0.35);
  padding-bottom: 1px;
}

.text-link:hover {
  color: var(--c-primary);
  border-bottom-color: rgba(31, 58, 95, 0.35);
}

/* --- 主内容区块 --- */

.section,
.content-section,
.content-block,
.guide-section,
.genre-group {
  padding: 28px 0;
  border-top: 1px solid var(--c-line-soft);
}

.section:first-child,
.content-section:first-child,
.content-block:first-child,
.guide-section:first-child,
.genre-group:first-child {
  border-top: 0;
  padding-top: 8px;
}

/* --- 摘要侧栏 --- */

.summary-block {
  background-color: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  padding: 16px 18px;
  margin-bottom: 16px;
}

.summary-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-primary);
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--c-line-soft);
}

.summary-links,
.summary-list,
.summary-points {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.summary-links li,
.summary-list li,
.summary-points li,
.summary-item {
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-muted);
}

.summary-links a,
.summary-list a {
  color: var(--c-primary);
  display: inline-block;
  min-height: 24px;
  line-height: 24px;
}

.summary-links a:hover,
.summary-list a:hover {
  color: var(--c-accent);
}

/* --- 标签 --- */

.tag,
.genre-tag,
.entry-genre,
.update-type,
.month-tag,
.status-badge {
  display: inline-block;
  font-size: 12px;
  line-height: 1.6;
  padding: 1px 8px;
  border-radius: var(--r-sm);
  border: 1px solid var(--c-line);
  background-color: #FBFBF9;
  color: var(--c-muted);
  white-space: nowrap;
}

.genre-tag {
  border-color: #C9D3E0;
  background-color: #F2F5F9;
  color: var(--c-primary);
}

/* --- 状态与变动类型 --- */

.status,
.entry-status,
.criteria-mark,
.status-badge {
  display: inline-block;
  font-size: 12px;
  line-height: 1.6;
  padding: 1px 8px;
  border-radius: var(--r-sm);
  white-space: nowrap;
}

.status-live,
.status-ongoing,
.mark-pass {
  border: 1px solid #BFD4C2;
  background-color: #F1F7F2;
  color: #3C6B45;
}

.status-pending,
.status-paused {
  border: 1px solid #E0D2B8;
  background-color: #FAF6EE;
  color: #8A6A2C;
}

.status-completed {
  border: 1px solid #C9D3E0;
  background-color: #F2F5F9;
  color: var(--c-primary);
}

.type-new,
.month-tag-new {
  border: 1px solid #E5C2BC;
  background-color: #FBF2F0;
  color: var(--c-accent);
}

.type-status,
.month-tag-status {
  border: 1px solid #E0D2B8;
  background-color: #FAF6EE;
  color: #8A6A2C;
}

.type-field,
.month-tag-field {
  border: 1px solid var(--c-line);
  background-color: #FBFBF9;
  color: var(--c-muted);
}

/* --- 编号步骤 --- */

.step-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.step-item {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--r-sm);
  background-color: var(--c-primary);
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.step-body {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-ink);
  min-width: 0;
}

.step-name {
  display: block;
  font-weight: 600;
  color: var(--c-primary);
  margin-bottom: 2px;
}

.step-desc {
  display: block;
  font-size: 14px;
  color: var(--c-muted);
}

/* 核对路径步骤：序号样式区分 */

.step-list-check .step-index {
  background-color: var(--c-panel);
  color: var(--c-primary);
  border: 1px solid var(--c-primary);
}

/* --- 配图容器 --- */

.hero-figure,
.cover-figure,
.split-figure,
.content-figure,
.catalog-figure,
.archive-figure,
.guide-figure,
.block-media {
  background-color: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.hero-figure img,
.split-figure img,
.content-figure img,
.catalog-figure img,
.archive-figure img,
.guide-figure img,
.block-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
  background-color: #EDEBE6;
}

.hero-figure figcaption,
.split-figure figcaption,
.content-figure figcaption,
.catalog-figure figcaption,
.archive-figure figcaption,
.guide-figure figcaption,
.block-media figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--c-line-soft);
}

/* --- 返回顶部 --- */

.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 24px;
  z-index: 40;
  width: 44px;
  height: 44px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background-color: var(--c-panel);
  color: var(--c-primary);
  font-size: 12px;
  line-height: 1.2;
  box-shadow: var(--shadow-card);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

/* --- 滚动出现（仅增强，不影响初始可见） --- */

.reveal-ready {
  opacity: 1;
  transform: none;
}

.reveal-in {
  animation: reveal-fade 0.4s ease both;
}

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

/* ==========================================================================
   pages —— 首页
   ========================================================================== */

/* --- 首屏 --- */

.hero {
  background-color: var(--c-panel);
  border-bottom: 1px solid var(--c-line);
}

.hero-inner {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 36px 20px 32px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: var(--gap-layout);
  align-items: start;
}

.hero-lead {
  min-width: 0;
}

.hero-lead h1 {
  font-size: 30px;
  line-height: 1.35;
  font-weight: 600;
  color: var(--c-primary);
  margin-bottom: 10px;
}

.hero-subtitle {
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-muted);
  margin-bottom: 20px;
  max-width: 640px;
}

.scene-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.scene-card {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 14px 16px;
  background-color: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.scene-card:hover {
  transform: translateY(-2px);
  border-color: var(--c-primary);
  box-shadow: var(--shadow-lift);
}

.scene-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--r-sm);
  background-color: #F2F5F9;
  border: 1px solid #C9D3E0;
  color: var(--c-primary);
  font-size: 13px;
  font-weight: 600;
}

.scene-link {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-primary);
  margin-bottom: 2px;
}

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

.scene-desc {
  display: block;
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-muted);
}

.hero-visual {
  min-width: 0;
}

.hero-figure {
  margin-bottom: 16px;
}

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

.btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  background-color: var(--c-accent);
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--r-md);
  transition: background-color 0.18s ease;
}

.btn-primary:hover {
  background-color: var(--c-primary);
  color: #FFFFFF;
}

/* --- 站点须知条 --- */

.notice-strip {
  background-color: #F1F0EC;
  border-bottom: 1px solid var(--c-line);
}

.notice-list {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 16px 20px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.notice-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
}

.notice-label {
  font-weight: 600;
  color: var(--c-primary);
  white-space: nowrap;
}

.notice-text {
  flex: 1 1 auto;
  min-width: 0;
}

.notice-link {
  color: var(--c-accent);
  font-weight: 600;
  white-space: nowrap;
}

.notice-link:hover {
  color: var(--c-primary);
}

/* --- 首页两栏内容区 --- */

.home-main .page-layout {
  padding-top: 32px;
}

/* --- 作品封面墙 --- */

.cover-wall {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.cover-card {
  display: flex;
  flex-direction: column;
  background-color: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.cover-card:hover {
  transform: translateY(-2px);
  border-color: var(--c-primary);
  box-shadow: var(--shadow-lift);
}

.cover-figure {
  border: 0;
  border-radius: 0;
  border-bottom: 1px solid var(--c-line-soft);
}

.cover-figure img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  background-color: #EDEBE6;
}

.cover-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-primary);
  margin: 10px 12px 4px;
}

.cover-meta {
  margin: 0 12px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-muted);
}

/* --- 题材索引 --- */

.genre-rows {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background-color: var(--c-panel);
  overflow: hidden;
}

.genre-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px;
  border-top: 1px solid var(--c-line-soft);
}

.genre-row:first-child {
  border-top: 0;
}

.genre-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  min-width: 0;
}

.genre-pos {
  flex: none;
  font-size: 13px;
  color: var(--c-muted);
  text-align: right;
}

/* --- 最近更新记录 --- */

.update-list {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background-color: var(--c-panel);
  overflow: hidden;
}

.update-row {
  display: grid;
  grid-template-columns: 96px 72px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 16px;
  border-top: 1px solid var(--c-line-soft);
  font-size: 14px;
}

.update-row:first-child {
  border-top: 0;
}

.update-date {
  font-size: 13px;
  color: var(--c-muted);
  white-space: nowrap;
}

.update-text {
  color: var(--c-ink);
  min-width: 0;
}

/* --- 收录标准清单 --- */

.criteria-list {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background-color: var(--c-panel);
  overflow: hidden;
}

.criteria-row {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr) 68px;
  gap: 12px;
  align-items: baseline;
  padding: 12px 16px;
  border-top: 1px solid var(--c-line-soft);
  font-size: 14px;
}

.criteria-row:first-child {
  border-top: 0;
}

.criteria-name {
  font-weight: 600;
  color: var(--c-primary);
  min-width: 0;
}

.criteria-desc {
  color: var(--c-muted);
  min-width: 0;
}

.criteria-row .criteria-mark {
  justify-self: end;
}

/* ==========================================================================
   pages —— 站点说明
   ========================================================================== */

.section-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 28px;
  align-items: start;
}

.split-text {
  min-width: 0;
}

.split-text p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-ink);
}

.direction-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}

.direction-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

.direction-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--c-accent);
}

.split-figure {
  min-width: 0;
}

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

.scenario-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 8px;
}

.scenario-item {
  background-color: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  padding: 16px;
  min-width: 0;
}

.scenario-item h3 {
  font-size: 15px;
  color: var(--c-primary);
  margin-bottom: 6px;
}

.scenario-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

.boundary-list {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background-color: var(--c-panel);
  overflow: hidden;
}

.boundary-list li {
  padding: 12px 16px;
  border-top: 1px solid var(--c-line-soft);
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-ink);
}

.boundary-list li:first-child {
  border-top: 0;
}

.section-tail {
  margin-top: 16px;
  font-size: 14px;
  color: var(--c-muted);
}

/* ==========================================================================
   pages —— 编选方法
   ========================================================================== */

.content-figure {
  margin: 0 0 20px;
}

.content-figure img {
  aspect-ratio: 16 / 9;
}

.field-table {
  font-size: 14px;
  background-color: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.field-table caption {
  caption-side: top;
  text-align: left;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--c-muted);
  border-bottom: 1px solid var(--c-line-soft);
}

.field-table th,
.field-table td {
  text-align: left;
  padding: 12px 16px;
  border-top: 1px solid var(--c-line-soft);
  vertical-align: top;
  line-height: 1.7;
}

.field-table thead th {
  border-top: 0;
  background-color: #F1F0EC;
  color: var(--c-primary);
  font-weight: 600;
  font-size: 13px;
}

.field-table tbody th {
  width: 140px;
  font-weight: 600;
  color: var(--c-primary);
}

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

.split-panels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 8px;
}

.panel {
  background-color: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  padding: 16px 18px;
  min-width: 0;
}

.panel h3 {
  font-size: 15px;
  color: var(--c-primary);
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--c-line-soft);
}

.detail-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.detail-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

.detail-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--c-primary);
}

.detail-list-numbered {
  counter-reset: detail;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.detail-list-numbered li {
  counter-increment: detail;
  position: relative;
  padding-left: 24px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

.detail-list-numbered li::before {
  content: counter(detail);
  position: absolute;
  left: 0;
  top: 2px;
  width: 16px;
  height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  line-height: 1;
  color: #FFFFFF;
  background-color: var(--c-primary);
  border-radius: var(--r-sm);
}

/* ==========================================================================
   pages —— 作品目录
   ========================================================================== */

.page-catalog .page-heading,
.site-brand-heading {
  font-size: 20px;
  font-weight: 600;
  color: var(--c-primary);
}

.page-lead {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
  margin-bottom: 18px;
}

.catalog-anchors {
  padding: 8px 0 24px;
  border-bottom: 1px solid var(--c-line-soft);
}

.anchor-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.anchor-button {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  font-size: 14px;
  color: var(--c-primary);
  background-color: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  transition: border-color 0.18s ease, color 0.18s ease;
}

.anchor-button:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

.catalog-figure {
  margin: 24px 0;
}

.catalog-figure img {
  aspect-ratio: 21 / 9;
}

.genre-group {
  scroll-margin-top: 20px;
}

.genre-group h2 {
  font-size: 20px;
  line-height: 1.45;
  color: var(--c-primary);
  padding-left: 12px;
  border-left: 3px solid var(--c-primary);
  margin-bottom: 10px;
}

.genre-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
  margin-bottom: 16px;
}

.entry-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.entry-card {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px;
  background-color: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  min-width: 0;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.entry-card:hover {
  border-color: var(--c-primary);
  box-shadow: var(--shadow-card);
}

.entry-card img {
  width: 96px;
  height: 128px;
  object-fit: cover;
  border-radius: var(--r-sm);
  background-color: #EDEBE6;
}

.entry-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-primary);
  margin-bottom: 6px;
}

.entry-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin: 0 0 6px;
}

.entry-time {
  margin: 0;
  font-size: 13px;
  color: var(--c-muted);
}

.status-note {
  padding: 28px 0;
  border-top: 1px solid var(--c-line-soft);
}

.status-note h2 {
  font-size: 20px;
  line-height: 1.45;
  color: var(--c-primary);
  padding-left: 12px;
  border-left: 3px solid var(--c-primary);
  margin-bottom: 10px;
}

.status-list {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background-color: var(--c-panel);
  overflow: hidden;
}

.status-item {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 16px;
  border-top: 1px solid var(--c-line-soft);
  font-size: 14px;
}

.status-item:first-child {
  border-top: 0;
}

.status-item p {
  margin: 0;
  color: var(--c-muted);
  min-width: 0;
}

.next-step {
  padding: 28px 0 0;
  border-top: 1px solid var(--c-line-soft);
}

.next-step h2 {
  font-size: 20px;
  line-height: 1.45;
  color: var(--c-primary);
  padding-left: 12px;
  border-left: 3px solid var(--c-primary);
  margin-bottom: 10px;
}

.next-step-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.next-step-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  font-size: 14px;
  color: var(--c-primary);
  background-color: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
}

.next-step-links a:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

/* ==========================================================================
   pages —— 更新归档
   ========================================================================== */

.year-jump {
  max-width: var(--w-container);
  margin: 0 auto 8px;
  padding: 0 20px;
}

.year-jump-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 0;
  border-top: 1px solid var(--c-line-soft);
  border-bottom: 1px solid var(--c-line-soft);
}

.year-jump-btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  font-size: 14px;
  color: var(--c-primary);
  background-color: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  transition: border-color 0.18s ease, color 0.18s ease, background-color 0.18s ease;
}

.year-jump-btn:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

.year-jump-btn.is-active {
  background-color: var(--c-primary);
  border-color: var(--c-primary);
  color: #FFFFFF;
}

.archive-figure {
  margin: 24px 0 8px;
}

.archive-figure img {
  aspect-ratio: 21 / 9;
}

.archive-year {
  padding: 28px 0;
  border-top: 1px solid var(--c-line-soft);
  scroll-margin-top: 20px;
}

.archive-year .section-heading {
  margin-bottom: 10px;
}

.month-block {
  background-color: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  padding: 16px 18px;
  margin-bottom: 16px;
}

.month-title {
  font-size: 17px;
  color: var(--c-primary);
  margin-bottom: 4px;
}

.month-meta {
  font-size: 13px;
  color: var(--c-muted);
  margin-bottom: 10px;
}

.month-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--c-line-soft);
}

.month-item {
  padding: 10px 0;
  border-bottom: 1px solid var(--c-line-soft);
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-ink);
}

.month-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.change-types {
  padding: 28px 0 0;
  border-top: 1px solid var(--c-line-soft);
}

.change-types .section-heading {
  margin-bottom: 10px;
}

.change-type {
  background-color: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  padding: 14px 18px;
  margin-bottom: 12px;
}

.change-type-name {
  font-size: 15px;
  color: var(--c-primary);
  margin-bottom: 4px;
}

.change-type-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

/* ==========================================================================
   pages —— 阅读指引
   ========================================================================== */

.guide-section h2 {
  font-size: 20px;
  line-height: 1.45;
  color: var(--c-primary);
  padding-left: 12px;
  border-left: 3px solid var(--c-primary);
  margin-bottom: 10px;
}

.guide-section > p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
  margin-bottom: 16px;
}

.guide-figure {
  margin: 0 0 20px;
}

.guide-figure img {
  aspect-ratio: 16 / 9;
}

.check-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.check-item {
  background-color: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  padding: 14px 16px;
  min-width: 0;
}

.check-item h3 {
  font-size: 15px;
  color: var(--c-primary);
  margin-bottom: 6px;
}

.check-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

.guide-note {
  margin-top: 18px;
  font-size: 14px;
  color: var(--c-muted);
}

.guide-note a {
  color: var(--c-accent);
  font-weight: 600;
}

.guide-note a:hover {
  color: var(--c-primary);
}

/* ==========================================================================
   pages —— 反馈说明
   ========================================================================== */

.block-media {
  margin: 0 0 20px;
}

.block-media img {
  aspect-ratio: 16 / 9;
}

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

.category-item {
  background-color: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  padding: 16px;
  min-width: 0;
}

.category-item h3 {
  font-size: 15px;
  color: var(--c-primary);
  margin-bottom: 6px;
}

.category-item p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
  margin-bottom: 8px;
}

.category-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-muted-soft);
  padding-top: 8px;
  border-top: 1px solid var(--c-line-soft);
}

.principle-list {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background-color: var(--c-panel);
  overflow: hidden;
}

.principle-item {
  padding: 14px 16px;
  border-top: 1px solid var(--c-line-soft);
}

.principle-item:first-child {
  border-top: 0;
}

.principle-item h3 {
  font-size: 15px;
  color: var(--c-primary);
  margin-bottom: 4px;
}

.principle-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

.prepare-list {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.prepare-item {
  background-color: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  padding: 14px 16px;
  min-width: 0;
}

.prepare-item dt {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-primary);
  margin-bottom: 4px;
}

.prepare-item dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

.block-tail {
  margin-top: 18px;
  font-size: 14px;
  color: var(--c-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.block-tail a {
  color: var(--c-accent);
  font-weight: 600;
}

.block-tail a:hover {
  color: var(--c-primary);
}

/* ==========================================================================
   pages —— 404
   ========================================================================== */

.error-main {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 56px 20px 72px;
}

.error-title {
  padding: 0;
  margin-bottom: 24px;
}

.error-code {
  font-size: 13px;
  font-weight: 600;
  color: var(--c-accent);
  letter-spacing: 0;
  margin-bottom: 6px;
}

.error-title h1 {
  font-size: 28px;
  line-height: 1.35;
  color: var(--c-primary);
  margin-bottom: 10px;
}

.page-summary {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
  margin: 0;
}

.error-body {
  background-color: var(--c-panel);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  padding: 24px;
}

.error-body h2 {
  font-size: 20px;
  line-height: 1.45;
  color: var(--c-primary);
  padding-left: 12px;
  border-left: 3px solid var(--c-primary);
  margin-bottom: 10px;
}

.error-body > p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

.error-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0;
}

.error-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  font-size: 14px;
  color: var(--c-primary);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background-color: #FBFBF9;
}

.error-links a:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

.error-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted-soft);
}

/* ==========================================================================
   responsive —— 平板与手机
   ========================================================================== */

@media (max-width: 1023px) {
  :root {
    --w-side: 240px;
    --gap-layout: 28px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 28px;
  }

  .cover-wall {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .criteria-row {
    grid-template-columns: 120px minmax(0, 1fr) 64px;
  }

  .section-split {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 20px;
  }
}

@media (max-width: 767px) {
  body {
    font-size: 15px;
  }

  /* --- 页头与移动导航 --- */

  .header-bar {
    padding: 0 16px;
    min-height: 56px;
    gap: 12px;
  }

  .brand {
    font-size: 18px;
  }

  .brand-slogan {
    display: none;
  }

  .nav-toggle {
    display: flex;
    margin-left: auto;
  }

  .site-nav {
    display: block;
    padding: 0 16px;
    border-top: 1px solid var(--c-line-soft);
  }

  .nav-group,
  .nav-anchors {
    display: none;
    flex-direction: column;
    align-items: stretch;
    margin-left: 0;
    width: 100%;
    gap: 0;
  }

  .site-nav.is-open .nav-group,
  .site-nav.is-open .nav-anchors {
    display: flex;
  }

  .site-nav.is-open .nav-divider {
    display: block;
    width: 100%;
    height: 1px;
    margin: 8px 0;
    background-color: var(--c-line-soft);
  }

  .nav-divider {
    display: none;
  }

  .nav-link,
  .anchor-link {
    min-height: 48px;
    padding: 0 4px;
    width: 100%;
    border-bottom: 1px solid var(--c-line-soft);
  }

  .nav-link.is-current,
  .anchor-link.is-current {
    border-bottom-color: var(--c-accent);
  }

  /* --- 容器与两栏折叠 --- */

  .page-layout,
  .inner-main,
  .hero-inner,
  .notice-list,
  .breadcrumb,
  .page-header,
  .page-title-summary,
  .page-title-desc,
  .page-title-note,
  .year-jump,
  .error-main {
    padding-left: 16px;
    padding-right: 16px;
  }

  .page-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding-bottom: 40px;
  }

  .summary {
    position: static;
    top: auto;
  }

  .inner-main {
    padding-bottom: 40px;
  }

  .inner-main .breadcrumb,
  .inner-main .page-header,
  .inner-main .page-title-summary,
  .inner-main .page-title-desc,
  .inner-main .page-title-note {
    padding-left: 0;
    padding-right: 0;
  }

  /* --- 标题字号 --- */

  .hero-lead h1 {
    font-size: 24px;
  }

  .page-title {
    font-size: 22px;
  }

  .error-title h1 {
    font-size: 22px;
  }

  .section-title,
  .section-heading,
  .genre-group h2,
  .status-note h2,
  .next-step h2,
  .guide-section h2,
  .error-body h2 {
    font-size: 18px;
  }

  /* --- 首页首屏 --- */

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    padding-top: 24px;
    padding-bottom: 24px;
  }

  .hero-subtitle {
    font-size: 14px;
  }

  .scene-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-visual {
    margin-top: 4px;
  }

  /* --- 须知条 --- */

  .notice-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    padding-top: 14px;
    padding-bottom: 14px;
  }

  /* --- 封面墙 --- */

  .cover-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  /* --- 题材索引 --- */

  .genre-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .genre-pos {
    text-align: left;
  }

  /* --- 更新记录 --- */

  .update-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .update-date {
    font-size: 12px;
  }

  /* --- 收录标准 --- */

  .criteria-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .criteria-row .criteria-mark {
    justify-self: start;
  }

  /* --- 站点说明 --- */

  .section-split {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .scenario-columns {
    grid-template-columns: minmax(0, 1fr);
  }

  /* --- 编选方法 --- */

  .split-panels {
    grid-template-columns: minmax(0, 1fr);
  }

  .field-table,
  .field-table thead,
  .field-table tbody,
  .field-table tr,
  .field-table th,
  .field-table td {
    display: block;
    width: 100%;
  }

  .field-table thead {
    display: none;
  }

  .field-table tbody th {
    width: auto;
    border-top: 1px solid var(--c-line-soft);
    background-color: #F1F0EC;
  }

  .field-table tbody td {
    border-top: 0;
  }

  .field-table tbody tr:first-child th {
    border-top: 0;
  }

  /* --- 作品目录 --- */

  .entry-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .status-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  /* --- 更新归档 --- */

  .year-jump-list {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 12px;
  }

  /* --- 阅读指引 --- */

  .check-list {
    grid-template-columns: minmax(0, 1fr);
  }

  /* --- 反馈说明 --- */

  .category-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .prepare-list {
    grid-template-columns: minmax(0, 1fr);
  }

  /* --- 页脚 --- */

  .footer-top {
    padding: 24px 16px 16px;
  }

  .footer-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 16px;
    padding: 20px 16px;
  }

  .footer-bottom {
    padding: 14px 16px 24px;
  }

  /* --- 返回顶部 --- */

  .back-to-top {
    right: 14px;
    bottom: 16px;
  }
}

@media (max-width: 400px) {
  .cover-wall {
    grid-template-columns: minmax(0, 1fr);
  }

  .entry-card {
    grid-template-columns: 80px minmax(0, 1fr);
  }

  .entry-card img {
    width: 80px;
    height: 108px;
  }

  .footer-groups {
    grid-template-columns: minmax(0, 1fr);
  }
}