/* ==========================================================================
   天堂漫画 · 全站样式表
   命令行工具风 · 纸感底色 · 终端深色面板 · 强调绿与霓虹紫点缀
   ========================================================================== */

/* ==========================================================================
   Base —— 变量、重置、全局基础
   ========================================================================== */

:root {
  --bg-paper: #f6f5f1;
  --bg-terminal: #1e2420;
  --bg-terminal-soft: #262d28;
  --bg-green-tint: #d9f7e8;
  --accent-green: #3dd68c;
  --accent-purple: #b56df0;
  --text-main: #2b2f2b;
  --text-secondary: #6e746e;
  --border-color: #e2e0d8;
  --border-dark: #3a423c;
  --white: #ffffff;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --container-width: 1120px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 8px;
  --transition-fast: 0.2s ease;
  --shadow-card: 0 1px 4px rgba(30, 36, 32, 0.06);
  --shadow-hover: 0 6px 18px rgba(30, 36, 32, 0.1);
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-main);
  background-color: var(--bg-paper);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent-green);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: #2bb573;
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-mono);
  font-weight: 600;
  line-height: 1.35;
  color: var(--text-main);
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 22px;
}

h3 {
  font-size: 16px;
}

p {
  margin-bottom: 0;
}

/* ==========================================================================
   Layout —— 站点骨架容器
   ========================================================================== */

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

.site-main {
  flex: 1 0 auto;
  width: 100%;
}

.site-main.inner-main {
  padding: 32px 0 64px;
}

.home-main {
  padding: 0 0 64px;
}

.container,
.header-inner,
.footer-inner {
  width: 100%;
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ==========================================================================
   Components —— 页头与导航
   ========================================================================== */

.site-header {
  background-color: var(--bg-terminal);
  border-bottom: 2px solid var(--accent-green);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 60px;
  gap: 24px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-mark {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--accent-green);
  letter-spacing: 0.5px;
}

.brand-mark::before {
  content: "$ ";
  color: var(--accent-purple);
}

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

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

.nav-list li a {
  display: block;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: #c8cfca;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.nav-list li a:hover {
  color: var(--white);
  background-color: var(--bg-terminal-soft);
}

.nav-list li a.is-current {
  color: var(--bg-terminal);
  background-color: var(--accent-green);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  background: transparent;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--accent-green);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* ==========================================================================
   Components —— 页脚
   ========================================================================== */

.site-footer {
  background-color: var(--bg-terminal);
  color: #aab3ae;
  margin-top: auto;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.4fr;
  gap: 48px;
  padding-top: 48px;
  padding-bottom: 32px;
}

.footer-title {
  font-size: 14px;
  color: var(--accent-green);
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.footer-nav-list li a,
.footer-feedback-list li a {
  display: inline-block;
  padding: 4px 0;
  font-size: 14px;
  color: #aab3ae;
}

.footer-nav-list li a:hover,
.footer-feedback-list li a:hover {
  color: var(--accent-green);
}

.footer-brand-name {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--accent-green);
  margin-bottom: 8px;
}

.footer-brand-name::before {
  content: "$ ";
  color: var(--accent-purple);
}

.footer-brand-desc {
  font-size: 14px;
  line-height: 1.7;
  color: #8a938d;
  margin-bottom: 16px;
}

.footer-copyright {
  font-size: 13px;
  color: #6a736d;
  border-top: 1px solid var(--border-dark);
  padding-top: 12px;
}

/* ==========================================================================
   Components —— 通用元素
   ========================================================================== */

/* 终端提示行 */
.terminal-prompt {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent-green);
  margin-bottom: 8px;
}

.terminal-prompt::before {
  content: "$ ";
  color: var(--accent-purple);
}

/* 区块标题 */
.section-title {
  font-size: 22px;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  margin-bottom: 20px;
  color: var(--text-secondary);
}

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

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

.breadcrumb-sep {
  color: #b5bbb5;
}

.breadcrumb-current {
  color: var(--text-main);
  font-weight: 600;
}

/* 页面标题区 */
.page-header {
  margin-bottom: 32px;
}

.page-title {
  font-size: 28px;
  margin-bottom: 8px;
}

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

/* 文本链接 */
.text-link {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent-green);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.text-link::after {
  content: "→";
  transition: transform var(--transition-fast);
}

.text-link:hover::after {
  transform: translateX(3px);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 24px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.btn-primary {
  background-color: var(--accent-green);
  color: var(--bg-terminal);
}

.btn-primary:hover {
  background-color: #2bb573;
  color: var(--bg-terminal);
}

.btn-secondary {
  background-color: transparent;
  color: var(--accent-green);
  border-color: var(--accent-green);
}

.btn-secondary:hover {
  background-color: var(--bg-green-tint);
  color: var(--bg-terminal);
}

/* 封面图容器 */
.cover-figure,
.category-figure,
.hero-figure,
.catalog-item-media,
.weekly-figure,
.sidebar-figure,
.about-image-figure,
.faq-media {
  overflow: hidden;
  border-radius: var(--radius-md);
  background-color: var(--bg-terminal);
}

.cover-figure img,
.category-figure img,
.catalog-item-media img,
.weekly-figure img,
.sidebar-image,
.about-image,
.faq-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.cover-figure:hover img,
.category-figure:hover img,
.catalog-item-media:hover img {
  transform: scale(1.03);
}

/* 标签 */
.tag-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--text-main);
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
}

.tag-chip:hover {
  border-color: var(--accent-green);
  color: var(--accent-green);
  background-color: var(--bg-green-tint);
}

/* ==========================================================================
   Pages —— 首页
   ========================================================================== */

/* 首屏终端面板 */
.hero-panel {
  background-color: var(--bg-terminal);
  color: #e8ece9;
  padding: 56px 0 64px;
  border-bottom: 2px solid var(--accent-green);
}

.hero-panel .container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.hero-copy .terminal-prompt {
  font-size: 14px;
  margin-bottom: 12px;
}

.hero-title {
  font-size: 32px;
  color: var(--white);
  margin-bottom: 12px;
}

.hero-title::before {
  content: "$ ";
  color: var(--accent-purple);
}

.hero-lead {
  font-size: 16px;
  line-height: 1.8;
  color: #b8c2bb;
  margin-bottom: 28px;
  max-width: 540px;
}

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

.hero-visual .hero-figure {
  width: 100%;
  aspect-ratio: 4 / 3;
}

.hero-visual .hero-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 节奏三栏区 */
.rhythm-section {
  padding: 56px 0;
}

.section-head {
  margin-bottom: 28px;
}

.rhythm-three-col {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.rhythm-col .col-title {
  font-size: 15px;
  color: var(--accent-green);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
  letter-spacing: 0.5px;
}

.update-card {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid #eeece5;
}

.update-card:last-child {
  border-bottom: none;
}

.update-card .cover-figure {
  width: 88px;
  height: 66px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
}

.update-card .cover-caption {
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-main);
}

.schedule-list {
  display: flex;
  flex-direction: column;
}

.schedule-item {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid #eeece5;
  align-items: baseline;
}

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

.schedule-day {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent-purple);
  flex-shrink: 0;
  min-width: 48px;
}

.schedule-desc {
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-main);
}

.rhythm-col .text-link {
  margin-top: 12px;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* 题材分类速览 */
.category-preview {
  padding: 56px 0;
  background-color: var(--white);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.category-card {
  background-color: var(--bg-paper);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.category-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.category-figure {
  width: 100%;
  aspect-ratio: 16 / 10;
  margin-bottom: 14px;
  border-radius: var(--radius-sm);
}

.category-name {
  font-size: 15px;
  margin-bottom: 6px;
}

.category-name::before {
  content: "# ";
  color: var(--accent-purple);
}

.category-point {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 10px;
}

.category-card .text-link {
  font-size: 13px;
}

.tag-supplement {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.supplement-label {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
  margin-right: 4px;
}

.supplement-label::before {
  content: "$ ";
  color: var(--accent-purple);
}

/* 人气榜单 */
.popular-ranking {
  padding: 56px 0;
}

.ranking-conclusion {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  max-width: 720px;
}

.ranking-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 24px;
}

.ranking-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--white);
  transition: background-color var(--transition-fast);
}

.ranking-item:first-child {
  border-top: 1px solid var(--border-color);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.ranking-item:last-child {
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  border-bottom: 2px solid var(--accent-green);
}

.ranking-item:hover {
  background-color: var(--bg-green-tint);
}

.ranking-num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--accent-purple);
  flex-shrink: 0;
  min-width: 32px;
  line-height: 1.4;
}

.ranking-body .ranking-name {
  font-size: 16px;
  margin-bottom: 4px;
}

.ranking-body .ranking-reason {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.ranking-limit {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.popular-ranking .btn {
  margin-top: 8px;
}

/* 阅读路径引导 */
.reading-path {
  padding: 56px 0;
  background-color: var(--bg-terminal);
}

.reading-path .section-title {
  color: var(--white);
  border-bottom-color: var(--border-dark);
}

.reading-path .terminal-prompt {
  color: var(--accent-green);
}

.path-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step-item {
  background-color: var(--bg-terminal-soft);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  transition: border-color var(--transition-fast);
}

.step-item:hover {
  border-color: var(--accent-green);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--bg-terminal);
  background-color: var(--accent-green);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
}

.step-title {
  font-size: 15px;
  color: var(--white);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 13px;
  line-height: 1.6;
  color: #aab3ae;
  margin-bottom: 12px;
}

.reading-path .text-link {
  font-size: 13px;
}

/* 反馈与边界说明 */
.feedback-boundary {
  padding: 56px 0;
}

.feedback-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.feedback-col {
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
}

.feedback-col .col-title {
  font-size: 15px;
  color: var(--accent-green);
  margin-bottom: 12px;
}

.feedback-col p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

/* ==========================================================================
   Pages —— 内页通用布局
   ========================================================================== */

.page-layout {
  display: grid;
  gap: 40px;
}

/* 作品目录：左栏索引 + 右栏详情 */
.page-layout.sidebar-left {
  grid-template-columns: 240px 1fr;
  align-items: start;
}

.catalog-index {
  position: sticky;
  top: 80px;
}

.catalog-index-inner {
  background-color: var(--bg-terminal);
  border-radius: var(--radius-md);
  padding: 24px 20px;
}

.index-heading {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent-green);
  margin-bottom: 16px;
}

.index-heading::before {
  content: "$ ";
  color: var(--accent-purple);
}

.index-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.index-list li a {
  display: block;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: #c8cfca;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.index-list li a:hover {
  background-color: var(--bg-terminal-soft);
  color: var(--accent-green);
}

.catalog-conclusion {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  padding: 16px 20px;
  background-color: var(--bg-green-tint);
  border-left: 3px solid var(--accent-green);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.catalog-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.catalog-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  scroll-margin-top: 88px;
}

.catalog-item-media {
  aspect-ratio: 16 / 11;
  border-radius: var(--radius-sm);
}

.catalog-item-title {
  font-size: 18px;
  margin-bottom: 10px;
}

.catalog-item-title::before {
  content: "# ";
  color: var(--accent-purple);
}

.catalog-item-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-main);
  margin-bottom: 10px;
}

.catalog-item-audience {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.catalog-item-audience strong {
  color: var(--accent-purple);
  font-weight: 600;
}

.catalog-item-links {
  font-size: 13px;
}

.catalog-item-links a {
  color: var(--accent-green);
  margin-right: 12px;
}

.catalog-limit-note {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 24px;
  padding: 12px 16px;
  background-color: var(--white);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-sm);
}

.catalog-related {
  margin-top: 48px;
  padding: 24px;
  background-color: var(--bg-terminal);
  border-radius: var(--radius-md);
}

.related-inner p {
  font-size: 14px;
  color: #c8cfca;
}

.related-inner p a {
  color: var(--accent-green);
  margin-right: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
}

/* ==========================================================================
   Pages —— 追更日历
   ========================================================================== */

.layout-shell {
  grid-template-columns: 1fr 320px;
  align-items: start;
}

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

.update-method {
  margin-bottom: 32px;
}

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

.update-method .terminal-prompt {
  font-size: 13px;
  margin-bottom: 10px;
}

.update-method .section-text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-main);
  margin-bottom: 12px;
}

.catalog-entry {
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 40px;
}

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

.catalog-entry .section-text {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.entry-links {
  display: flex;
  gap: 20px;
  margin-top: 12px;
}

.content-aside .aside-block {
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
}

.aside-title {
  font-size: 16px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.aside-title::before {
  content: "$ ";
  color: var(--accent-purple);
}

.weekly-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.weekly-item {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid #eeece5;
  align-items: flex-start;
}

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

.weekly-figure {
  width: 88px;
  height: 66px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
}

.weekly-info {
  min-width: 0;
}

.weekly-topic {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 4px;
}

.weekly-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 4px;
}

.weekly-time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-purple);
}

/* 相关链接条 */
.related-links {
  margin-top: 48px;
  padding: 20px 24px;
  background-color: var(--bg-terminal);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.related-links-label {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent-green);
}

.related-links-label::before {
  content: "$ ";
  color: var(--accent-purple);
}

.related-links-item {
  font-size: 14px;
  color: #c8cfca;
  font-family: var(--font-mono);
}

.related-links-item:hover {
  color: var(--accent-green);
}

/* ==========================================================================
   Pages —— 人气榜单
   ========================================================================== */

.ranking-layout {
  grid-template-columns: 1fr 320px;
  align-items: start;
}

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

.reading-conclusion {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  padding: 16px 20px;
  background-color: var(--bg-green-tint);
  border-left: 3px solid var(--accent-green);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.ranking-entry {
  display: grid;
  grid-template-columns: 40px 1fr 120px;
  gap: 20px;
  align-items: start;
  padding: 20px;
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  transition: box-shadow var(--transition-fast);
}

.ranking-entry:hover {
  box-shadow: var(--shadow-hover);
}

.ranking-number {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--accent-purple);
  line-height: 1.3;
}

.entry-body {
  min-width: 0;
}

.entry-title {
  font-size: 16px;
  margin-bottom: 6px;
}

.entry-title::before {
  content: "# ";
  color: var(--accent-purple);
}

.entry-reason {
  font-size: 14px;
  color: var(--text-main);
  line-height: 1.6;
  margin-bottom: 6px;
}

.entry-advice {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 8px;
}

.entry-body a {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent-green);
}

.entry-thumb {
  width: 120px;
  height: 90px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.ranking-limit-note {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 24px;
  padding: 12px 16px;
  background-color: var(--white);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-sm);
}

.ranking-aside .aside-block {
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 16px;
}

.ranking-aside .aside-block h3 {
  font-size: 14px;
  color: var(--accent-green);
  margin-bottom: 8px;
}

.ranking-aside .aside-block p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.aside-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent-green);
  margin-top: 4px;
}

/* ==========================================================================
   Pages —— 阅读指引
   ========================================================================== */

.guide-layout {
  grid-template-columns: 1fr 320px;
  align-items: start;
}

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

.terminal-heading {
  display: flex;
  align-items: center;
  gap: 8px;
}

.terminal-heading .terminal-prompt {
  margin-bottom: 0;
  font-size: 18px;
}

.section-lead {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.reading-path-section .path-steps {
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.path-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: border-color var(--transition-fast);
}

.path-step:hover {
  border-color: var(--accent-green);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--bg-terminal);
  background-color: var(--accent-green);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.step-body {
  min-width: 0;
}

.step-body .step-title {
  font-size: 16px;
  color: var(--text-main);
  margin-bottom: 6px;
}

.step-body .step-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 8px;
}

.step-body .step-link {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent-green);
}

.path-note {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 12px 16px;
  background-color: var(--bg-green-tint);
  border-radius: var(--radius-sm);
}

.content-organization {
  margin-top: 40px;
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
}

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

.organization-item {
  font-size: 14px;
  color: var(--text-main);
  padding-left: 16px;
  position: relative;
}

.organization-item::before {
  content: ">";
  position: absolute;
  left: 0;
  color: var(--accent-purple);
  font-family: var(--font-mono);
}

.organization-item strong {
  color: var(--accent-green);
  font-weight: 600;
}

/* 反馈摘要侧栏 */
.guide-sidebar {
  min-width: 0;
}

.feedback-summary {
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
}

.sidebar-title {
  font-size: 16px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-title::before {
  content: "$ ";
  color: var(--accent-purple);
}

.sidebar-figure {
  width: 100%;
  aspect-ratio: 16 / 10;
  margin-bottom: 16px;
}

.sidebar-lead {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.feedback-item {
  padding: 14px 0;
  border-top: 1px solid #eeece5;
}

.feedback-title {
  font-size: 14px;
  color: var(--accent-green);
  margin-bottom: 6px;
}

.feedback-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 8px;
}

.feedback-link {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent-green);
}

/* 反馈边界区 */
.feedback-boundary-section {
  margin-top: 48px;
}

.feedback-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.feedback-col {
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
}

.feedback-col-title {
  font-size: 15px;
  color: var(--accent-green);
  margin-bottom: 10px;
}

.feedback-col-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

.feedback-col-link {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent-green);
}

/* ==========================================================================
   Pages —— 站内说明
   ========================================================================== */

.about-layout {
  display: grid;
  gap: 40px;
}

.about-section {
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
  margin-bottom: 24px;
  scroll-margin-top: 88px;
}

.about-section .section-title {
  font-size: 20px;
  margin-bottom: 16px;
}

.about-section > p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-main);
  margin-bottom: 12px;
}

.content-object-list,
.quality-check-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 16px 0;
}

.content-object-list li,
.quality-check-list li {
  font-size: 14px;
  color: var(--text-main);
  padding-left: 16px;
  position: relative;
}

.content-object-list li::before,
.quality-check-list li::before {
  content: ">";
  position: absolute;
  left: 0;
  color: var(--accent-purple);
  font-family: var(--font-mono);
}

.content-object-list li strong,
.quality-check-list li strong {
  color: var(--accent-green);
  font-weight: 600;
}

.method-block {
  background-color: var(--bg-paper);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 12px;
}

.method-block .terminal-prompt {
  font-size: 13px;
  margin-bottom: 6px;
}

.method-block p:last-child {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.boundary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.boundary-col {
  border-radius: var(--radius-md);
  padding: 20px;
}

.boundary-not {
  background-color: #fdf3f3;
  border: 1px solid #f0d6d6;
}

.boundary-do {
  background-color: var(--bg-green-tint);
  border: 1px solid #b5e8cd;
}

.boundary-col h3 {
  font-size: 15px;
  margin-bottom: 12px;
}

.boundary-not h3 {
  color: #c05656;
}

.boundary-do h3 {
  color: #1e8e5a;
}

.boundary-col ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.boundary-col ul li {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-main);
  padding-left: 16px;
  position: relative;
}

.boundary-col ul li::before {
  content: ">";
  position: absolute;
  left: 0;
  font-family: var(--font-mono);
}

.boundary-not ul li::before {
  color: #c05656;
}

.boundary-do ul li::before {
  color: #1e8e5a;
}

.about-closing {
  background-color: var(--bg-terminal);
  border-radius: var(--radius-md);
  padding: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}

.about-image-figure {
  aspect-ratio: 16 / 10;
}

.about-closing p {
  font-size: 14px;
  line-height: 1.8;
  color: #c8cfca;
  margin-bottom: 12px;
}

.about-closing p a {
  color: var(--accent-green);
  margin-right: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
}

/* ==========================================================================
   Pages —— 常见问题
   ========================================================================== */

.faq-layout {
  grid-template-columns: 1fr 300px;
  align-items: start;
}

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

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.faq-item {
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  list-style: none;
  transition: background-color var(--transition-fast);
}

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

.faq-question::before {
  content: "?";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  font-size: 13px;
  font-weight: 700;
  color: var(--bg-terminal);
  background-color: var(--accent-green);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.faq-question::after {
  content: "+";
  margin-left: auto;
  font-size: 18px;
  color: var(--accent-purple);
  transition: transform var(--transition-fast);
}

.faq-item[open] .faq-question {
  background-color: var(--bg-green-tint);
}

.faq-item[open] .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 20px 20px 56px;
}

.faq-answer p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.faq-answer p a {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent-green);
}

.faq-media {
  width: 100%;
  max-width: 480px;
  aspect-ratio: 16 / 10;
  margin-bottom: 16px;
}

.faq-media figcaption {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 10px 12px;
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-top: none;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

.faq-tip {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 12px 16px;
  background-color: var(--bg-green-tint);
  border-radius: var(--radius-sm);
}

.faq-tip a {
  font-family: var(--font-mono);
  color: var(--accent-green);
}

.faq-aside {
  min-width: 0;
}

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

.aside-card {
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 12px;
  transition: border-color var(--transition-fast);
}

.aside-card:hover {
  border-color: var(--accent-green);
}

.aside-card a {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  display: block;
  margin-bottom: 6px;
}

.aside-card a:hover {
  color: var(--accent-green);
}

.aside-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   Pages —— 404
   ========================================================================== */

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

.error-panel {
  background-color: var(--bg-terminal);
  border-radius: var(--radius-md);
  padding: 48px;
  max-width: 640px;
  width: 100%;
  text-align: left;
  border-left: 4px solid var(--accent-purple);
}

.error-prompt {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent-purple);
  margin-bottom: 12px;
}

.error-prompt::before {
  content: "$ ";
  color: var(--accent-green);
}

.error-panel h1 {
  font-size: 32px;
  color: var(--white);
  margin-bottom: 12px;
}

.error-desc {
  font-size: 15px;
  line-height: 1.8;
  color: #aab3ae;
  margin-bottom: 24px;
}

.error-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.error-home-link,
.error-catalog-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.error-home-link {
  background-color: var(--accent-green);
  color: var(--bg-terminal);
}

.error-home-link:hover {
  background-color: #2bb573;
  color: var(--bg-terminal);
}

.error-catalog-link {
  background-color: transparent;
  color: var(--accent-green);
  border: 1px solid var(--accent-green);
}

.error-catalog-link:hover {
  background-color: var(--bg-terminal-soft);
  color: var(--accent-green);
}

.error-tip {
  font-size: 13px;
  color: #6a736d;
  font-family: var(--font-mono);
}

.error-tip::before {
  content: "> ";
  color: var(--accent-purple);
}

/* ==========================================================================
   Responsive —— 响应式断点
   ========================================================================== */

/* 1024px 平板 */
@media (max-width: 1024px) {
  .hero-panel .container {
    grid-template-columns: 1fr 0.9fr;
    gap: 32px;
  }

  .rhythm-three-col {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .rhythm-col.col-tags {
    grid-column: 1 / -1;
  }

  .category-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .path-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .page-layout.sidebar-left {
    grid-template-columns: 200px 1fr;
    gap: 32px;
  }

  .catalog-item {
    grid-template-columns: 160px 1fr;
    gap: 16px;
  }

  .layout-shell,
  .ranking-layout,
  .guide-layout,
  .faq-layout {
    grid-template-columns: 1fr 280px;
    gap: 32px;
  }

  .ranking-entry {
    grid-template-columns: 36px 1fr;
    gap: 16px;
  }

  .entry-thumb {
    grid-column: 2;
    width: 140px;
    height: 100px;
  }

  .footer-inner {
    gap: 32px;
  }
}

/* 768px 手机与小平板 */
@media (max-width: 768px) {
  .header-inner {
    min-height: 56px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background-color: var(--bg-terminal);
    border-top: 1px solid var(--border-dark);
    border-bottom: 2px solid var(--accent-green);
    padding: 8px 16px 16px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  }

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

  .nav-list li a {
    padding: 14px 12px;
    border-bottom: 1px solid var(--border-dark);
    font-size: 15px;
  }

  .nav-list li:last-child a {
    border-bottom: none;
  }

  .hero-panel {
    padding: 40px 0 48px;
  }

  .hero-panel .container {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-title {
    font-size: 28px;
  }

  .hero-lead {
    font-size: 15px;
  }

  .rhythm-section,
  .category-preview,
  .popular-ranking,
  .reading-path,
  .feedback-boundary {
    padding: 40px 0;
  }

  .rhythm-three-col {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .rhythm-col.col-tags {
    grid-column: auto;
  }

  .category-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .path-steps {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .feedback-grid,
  .feedback-columns,
  .boundary-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .page-layout.sidebar-left {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .catalog-index {
    position: static;
    order: 2;
  }

  .catalog-details {
    order: 1;
  }

  .catalog-index-inner {
    padding: 16px;
  }

  .index-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
  }

  .index-list li a {
    padding: 6px 10px;
    font-size: 13px;
    background-color: var(--bg-terminal-soft);
  }

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

  .catalog-item-media {
    max-width: 280px;
  }

  .layout-shell,
  .ranking-layout,
  .guide-layout,
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .content-aside,
  .ranking-aside,
  .guide-sidebar,
  .faq-aside {
    order: 2;
  }

  .content-main,
  .ranking-main,
  .main-content,
  .faq-main {
    order: 1;
  }

  .ranking-entry {
    grid-template-columns: 32px 1fr;
    gap: 12px;
  }

  .entry-thumb {
    grid-column: 2;
    width: 120px;
    height: 90px;
  }

  .about-closing {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-top: 40px;
  }

  .related-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .error-panel {
    padding: 32px 24px;
  }
}

/* 480px 小屏手机 */
@media (max-width: 480px) {
  .container,
  .header-inner,
  .footer-inner {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .category-grid {
    grid-template-columns: 1fr;
  }

  .category-card {
    padding: 14px;
  }

  .ranking-item {
    gap: 12px;
    padding: 14px 16px;
  }

  .ranking-num {
    font-size: 18px;
    min-width: 24px;
  }

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

  .feedback-col {
    padding: 20px;
  }

  .catalog-item {
    padding: 16px;
  }

  .catalog-item-links a {
    display: inline-block;
    margin-bottom: 6px;
  }

  .ranking-entry {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 16px;
  }

  .ranking-number {
    font-size: 18px;
  }

  .entry-thumb {
    grid-column: auto;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 10;
  }

  .about-section {
    padding: 20px;
  }

  .about-closing {
    padding: 24px;
  }

  .faq-question {
    padding: 14px 16px;
    font-size: 14px;
  }

  .faq-answer {
    padding: 0 16px 16px 44px;
  }

  .error-panel {
    padding: 24px 20px;
  }

  .error-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .error-home-link,
  .error-catalog-link {
    width: 100%;
  }
}

/* ==========================================================================
   Accessibility —— 可访问性与动效
   ========================================================================== */

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

:focus-visible {
  outline: 2px solid var(--accent-green);
  outline-offset: 2px;
}

/* 滚动出现动画（不影响初始可见性） */
@media (prefers-reduced-motion: no-preference) {
  .category-card,
  .step-item,
  .ranking-item,
  .catalog-item,
  .update-card,
  .weekly-item {
    animation: fade-up 0.4s ease both;
  }

  .category-card:nth-child(2),
  .step-item:nth-child(2),
  .ranking-item:nth-child(2),
  .catalog-item:nth-child(2),
  .update-card:nth-child(2),
  .weekly-item:nth-child(2) {
    animation-delay: 0.05s;
  }

  .category-card:nth-child(3),
  .step-item:nth-child(3),
  .ranking-item:nth-child(3),
  .catalog-item:nth-child(3),
  .update-card:nth-child(3),
  .weekly-item:nth-child(3) {
    animation-delay: 0.1s;
  }

  .category-card:nth-child(4),
  .step-item:nth-child(4),
  .ranking-item:nth-child(4),
  .catalog-item:nth-child(4) {
    animation-delay: 0.15s;
  }

  .ranking-item:nth-child(5) {
    animation-delay: 0.2s;
  }
}

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