/* ============================================================
   香蕉影视 · 全站样式表
   瑞士网格风 · 冷静编辑感 · 全站统一视觉系统
   ============================================================ */

/* ============================================================
   Base — 基础变量、重置与全局元素
   ============================================================ */

:root {
  --color-bg: #F5F4F1;
  --color-surface: #FFFFFF;
  --color-text: #1A1A1A;
  --color-muted: #6B6B6B;
  --color-accent: #E8503A;
  --color-border: #D8D6D2;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --container-width: 1200px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --transition-base: 0.2s ease;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

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

/* ============================================================
   Layout — 整站容器、页头、页脚
   ============================================================ */

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

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

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

.brand-name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-text);
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  flex: 1;
  justify-content: center;
}

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

.nav-list li {
  position: relative;
}

.nav-list a {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  color: var(--color-muted);
  border-bottom: 2px solid transparent;
  transition: color var(--transition-base), border-color var(--transition-base);
}

.nav-list a:hover {
  color: var(--color-text);
}

.nav-list a.is-current {
  color: var(--color-text);
  border-bottom-color: var(--color-accent);
  font-weight: 600;
}

.btn-command {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 20px;
  background-color: var(--color-accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-base), transform var(--transition-base);
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-command:hover {
  background-color: #d43f2a;
  color: #fff;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border-radius: var(--radius-sm);
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.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);
}

.site-footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  margin-top: 64px;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px 24px 32px;
}

.footer-brand {
  margin-bottom: 24px;
}

.footer-slogan {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 4px;
}

.footer-desc {
  font-size: 14px;
  color: var(--color-muted);
  max-width: 480px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  padding: 20px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 20px;
}

.footer-nav a {
  font-size: 14px;
  color: var(--color-muted);
  padding: 4px 0;
}

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

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

/* ============================================================
   Components — 通用组件：面包屑、页头、分区、卡片、按钮等
   ============================================================ */

.breadcrumb {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 16px 24px 0;
  font-size: 13px;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

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

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

.breadcrumb-sep {
  color: var(--color-border);
  font-size: 12px;
}

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

.page-header {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px 24px;
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 8px;
}

.page-description {
  font-size: 16px;
  color: var(--color-muted);
  max-width: 720px;
}

.section-head,
.section-heading {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}

.section-index,
.section-number {
  font-family: 'SF Mono', 'Consolas', 'Menlo', monospace;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.04em;
}

.section-title {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.3;
}

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

.section-tag {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  padding: 8px 0;
}

.btn-text:hover {
  color: #d43f2a;
}

.btn-text::after {
  content: '→';
  font-size: 14px;
  transition: transform var(--transition-base);
}

.btn-text:hover::after {
  transform: translateX(4px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  background-color: var(--color-surface);
  transition: border-color var(--transition-base), color var(--transition-base);
}

.btn-ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  background-color: var(--color-accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-base);
}

.btn-primary:hover {
  background-color: #d43f2a;
  color: #fff;
}

/* FAQ 组件 */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

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

.faq-item:first-child {
  border-top: 1px solid var(--color-border);
}

.faq-question {
  padding: 16px 0;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  list-style: none;
}

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

.faq-question::after {
  content: '+';
  font-size: 20px;
  font-weight: 400;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

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

.faq-answer {
  padding: 0 0 16px;
  font-size: 14px;
  color: var(--color-muted);
  max-width: 720px;
}

.faq-answer p {
  margin-bottom: 8px;
}

.faq-answer a {
  color: var(--color-accent);
  font-weight: 500;
}

/* 通用相关链接 */
.related-links {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 16px;
}

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

.related-links-item {
  font-size: 14px;
  color: var(--color-accent);
  padding: 4px 0;
}

.related-links-item:hover {
  color: #d43f2a;
}

/* ============================================================
   Pages — 首页 index.html
   ============================================================ */

/* 首屏分类目录 */
.category-grid-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px 0;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.category-card {
  display: block;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 12px;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.category-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.category-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: 12px;
}

.category-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.category-card p {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.5;
}

/* 快捷工具区 */
.tool-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.tool-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.tool-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.tool-index {
  font-family: 'SF Mono', 'Consolas', 'Menlo', monospace;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
}

.tool-card h2 {
  font-size: 20px;
  font-weight: 700;
}

.tool-card p {
  font-size: 14px;
  color: var(--color-muted);
  flex: 1;
}

/* 主体区 */
.site-main.home-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.hero-section {
  padding: 48px 0 32px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.hero-slogan {
  font-family: 'SF Mono', 'Consolas', 'Menlo', monospace;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.04em;
}

.hero-title {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.25;
}

.hero-desc {
  font-size: 16px;
  color: var(--color-muted);
  max-width: 480px;
}

.hero-visual {
  display: flex;
  justify-content: flex-end;
}

.hero-figure {
  width: 100%;
  max-width: 520px;
}

.hero-figure img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.main-content {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
  padding: 32px 0;
}

/* 今日推荐 */
.today-picks .section-head {
  flex-wrap: wrap;
}

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

.today-item {
  display: flex;
  gap: 12px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
}

.item-number {
  font-family: 'SF Mono', 'Consolas', 'Menlo', monospace;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  flex-shrink: 0;
  min-width: 28px;
}

.item-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.item-body h3 {
  font-size: 16px;
  font-weight: 600;
}

.item-body p {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.5;
}

.item-body a {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  margin-top: 4px;
}

/* 更新日历概览 */
.calendar-overview .section-head {
  flex-wrap: wrap;
}

.week-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.week-day {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-align: center;
}

.day-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
}

.day-type {
  font-size: 12px;
  color: var(--color-muted);
}

/* 专题精选 */
.feature-picks .section-head {
  flex-wrap: wrap;
}

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

.feature-card {
  display: block;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

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

.feature-card h3 {
  font-size: 16px;
  font-weight: 600;
  padding: 12px 16px 4px;
}

.feature-card p {
  font-size: 13px;
  color: var(--color-muted);
  padding: 0 16px 16px;
  line-height: 1.5;
}

/* 状态区 */
.status-section {
  border-top: 1px solid var(--color-border);
  margin-top: 16px;
}

.status-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.status-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  flex-shrink: 0;
}

.status-inner p {
  font-size: 14px;
  color: var(--color-muted);
}

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

.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* ============================================================
   Pages — 今日推荐 xjys/today.html
   ============================================================ */

.today-list-section {
  padding: 16px 0 32px;
}

.today-list-section .today-list {
  gap: 16px;
}

.today-list-section .today-item {
  padding: 16px;
  display: grid;
  grid-template-columns: 40px 96px 1fr;
  gap: 16px;
  align-items: start;
}

.item-media {
  width: 96px;
  height: 64px;
  overflow: hidden;
  border-radius: var(--radius-sm);
}

.item-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.item-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 4px;
}

.item-reason {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 8px;
}

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

.highlight-section {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
}

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

.highlight-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.highlight-card-title {
  font-size: 16px;
  font-weight: 600;
}

.highlight-card p {
  font-size: 14px;
  color: var(--color-muted);
  flex: 1;
}

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

.calendar-entry-section,
.feature-entry-section {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
}

.calendar-entry-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.entry-card-content {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.entry-card-title {
  font-size: 16px;
  font-weight: 600;
}

.entry-card-content p {
  font-size: 14px;
  color: var(--color-muted);
  flex: 1;
}

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

.feature-entry-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-accent);
  padding: 12px 20px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-base);
}

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

/* ============================================================
   Pages — 题材目录 xjys/genres.html
   ============================================================ */

.genre-grid {
  padding: 16px 0 32px;
}

.genre-grid-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.genre-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.genre-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.genre-figure {
  overflow: hidden;
}

.genre-img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.genre-name {
  font-size: 17px;
  font-weight: 600;
  padding: 12px 16px 4px;
}

.genre-desc {
  font-size: 13px;
  color: var(--color-muted);
  padding: 0 16px;
  line-height: 1.5;
  flex: 1;
}

.genre-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  padding: 8px 16px 16px;
}

.popular-genres {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
}

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

.popular-item {
  display: flex;
  gap: 16px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
}

.popular-num {
  font-family: 'SF Mono', 'Consolas', 'Menlo', monospace;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-accent);
  flex-shrink: 0;
  min-width: 40px;
}

.popular-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.popular-name {
  font-size: 16px;
  font-weight: 600;
}

.popular-desc {
  font-size: 14px;
  color: var(--color-muted);
}

.popular-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  margin-top: 4px;
}

.genre-tips {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
}

.tips-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.tip-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tip-num {
  font-family: 'SF Mono', 'Consolas', 'Menlo', monospace;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
}

.tip-title {
  font-size: 15px;
  font-weight: 600;
}

.tip-text {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.5;
}

.related-features {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
}

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

.related-link {
  font-size: 14px;
  color: var(--color-accent);
  padding: 4px 0;
}

.related-link:hover {
  color: #d43f2a;
}

/* ============================================================
   Pages — 更新日历 xjys/calendar.html
   ============================================================ */

.calendar-view {
  padding: 16px 0 32px;
}

.calendar-view .week-grid {
  gap: 12px;
  margin-bottom: 24px;
}

.week-col {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
}

.week-day {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}

.week-type {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
}

.week-note {
  font-size: 12px;
  color: var(--color-muted);
  line-height: 1.4;
}

.calendar-media {
  margin-top: 24px;
}

.calendar-media img {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.calendar-media figcaption {
  font-size: 13px;
  color: var(--color-muted);
  padding: 8px 0 0;
}

.update-rules {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
}

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

.rule-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.rule-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.rule-text {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

.tracking-guide {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
}

.guide-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
  counter-reset: step;
}

.guide-step {
  display: flex;
  gap: 16px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
}

.step-num {
  font-family: 'SF Mono', 'Consolas', 'Menlo', monospace;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-accent);
  flex-shrink: 0;
  min-width: 36px;
}

.step-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.step-title {
  font-size: 16px;
  font-weight: 600;
}

.step-text {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

.step-text a {
  color: var(--color-accent);
  font-weight: 500;
}

.faq-section {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
}

.related-links .related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 16px;
}

.related-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.related-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.related-title {
  font-size: 15px;
  font-weight: 600;
}

.related-desc {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.5;
}

/* ============================================================
   Pages — 专题 xjys/feature.html
   ============================================================ */

.hero-feature {
  padding: 16px 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.hero-feature-content {
  padding: 32px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.hero-feature-desc {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.6;
}

.hero-feature-media {
  height: 100%;
  min-height: 280px;
}

.hero-feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-list-section {
  padding: 32px 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.feature-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.feature-card-media {
  overflow: hidden;
}

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

.feature-card-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.feature-card-title {
  font-size: 16px;
  font-weight: 600;
}

.feature-card-desc {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.5;
  flex: 1;
}

.feature-card-body a {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
}

.feature-principles {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
}

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

.principle-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.principle-num {
  font-family: 'SF Mono', 'Consolas', 'Menlo', monospace;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  display: block;
  margin-bottom: 8px;
}

.principle-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.principle-desc {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

.principles-note {
  margin-top: 16px;
  font-size: 14px;
  color: var(--color-muted);
}

.principles-note a {
  color: var(--color-accent);
}

.feature-list-section .related-list {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 8px 24px;
}

/* ============================================================
   Pages — 阅读帮助 xjys/help.html
   ============================================================ */

.help-steps {
  padding: 16px 0 32px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.step-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.step-index {
  font-family: 'SF Mono', 'Consolas', 'Menlo', monospace;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
}

.step-title {
  font-size: 16px;
  font-weight: 600;
}

.step-desc {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.5;
  flex: 1;
}

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

.help-table-section {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
}

.table-wrapper {
  overflow-x: auto;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.help-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.help-table th {
  background-color: var(--color-bg);
  font-weight: 600;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.help-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-muted);
  line-height: 1.6;
  vertical-align: top;
}

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

.help-table td:first-child {
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

.help-table td a {
  color: var(--color-accent);
}

.help-faq {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
}

.help-faq .faq-answer a {
  display: inline-block;
  margin-right: 16px;
}

.help-figure {
  padding: 16px 0 0;
}

.help-figure img {
  width: 100%;
  aspect-ratio: 21 / 8;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.help-figure figcaption {
  font-size: 13px;
  color: var(--color-muted);
  padding: 8px 0 0;
}

/* ============================================================
   Pages — 意见反馈 xjys/feedback.html
   ============================================================ */

.content-section {
  padding: 16px 0 32px;
}

.copyright-section + .process-section,
.process-section + .boundary-section {
  border-top: 1px solid var(--color-border);
  padding-top: 32px;
}

.principle-list,
.boundary-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.principle-item,
.boundary-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
}

.principle-item h3,
.boundary-item h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.principle-item p,
.boundary-item p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

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

.step-item {
  display: flex;
  gap: 16px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
}

.step-number {
  font-family: 'SF Mono', 'Consolas', 'Menlo', monospace;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-accent);
  flex-shrink: 0;
  min-width: 36px;
}

.step-item h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.step-item p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

.process-note {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
}

.process-note img {
  width: 160px;
  height: 90px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.process-note p {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
}

.related-links .related-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

.related-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}

.related-links ul li a {
  font-size: 14px;
  color: var(--color-accent);
}

.related-links ul li a:hover {
  color: #d43f2a;
}

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

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  flex: 1;
}

.error-wrap {
  text-align: center;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.error-code {
  font-family: 'SF Mono', 'Consolas', 'Menlo', monospace;
  font-size: 72px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.error-wrap h1 {
  font-size: 24px;
  font-weight: 700;
}

.error-desc {
  font-size: 15px;
  color: var(--color-muted);
}

.btn-back {
  margin-top: 8px;
}

/* ============================================================
   Responsive — 响应式断点 1024px / 768px / 390px
   ============================================================ */

@media (max-width: 1024px) {
  .category-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .genre-grid-inner {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

  .main-content {
    grid-template-columns: 1fr 1fr;
  }

  .feature-picks {
    grid-column: 1 / -1;
  }

  .feature-picks .feature-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .related-links .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-inner {
    gap: 24px;
  }

  .hero-title {
    font-size: 30px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 56px;
    padding: 0 16px;
  }

  .site-nav {
    position: relative;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: 8px;
    min-width: 200px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

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

  .nav-list a {
    padding: 10px 16px;
    border-bottom: none;
    border-radius: var(--radius-sm);
  }

  .nav-list a.is-current {
    background-color: var(--color-bg);
  }

  .btn-command {
    padding: 8px 14px;
    font-size: 13px;
  }

  .breadcrumb {
    padding: 12px 16px 0;
  }

  .page-header {
    padding: 24px 16px 20px;
  }

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

  .inner-main {
    padding: 0 16px;
  }

  .site-main.home-main {
    padding: 0 16px;
  }

  .category-grid-section,
  .tool-section,
  .status-inner {
    padding-left: 16px;
    padding-right: 16px;
  }

  .category-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .tool-section {
    grid-template-columns: 1fr;
  }

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

  .hero-copy {
    order: 1;
  }

  .hero-visual {
    order: 2;
    justify-content: center;
  }

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

  .main-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .feature-picks {
    grid-column: auto;
  }

  .feature-picks .feature-list {
    grid-template-columns: 1fr;
  }

  .week-grid {
    gap: 4px;
  }

  .week-day {
    padding: 8px 4px;
  }

  .today-list-section .today-item {
    grid-template-columns: 32px 72px 1fr;
    gap: 12px;
  }

  .item-media {
    width: 72px;
    height: 54px;
  }

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

  .calendar-entry-card {
    grid-template-columns: 1fr;
  }

  .genre-grid-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .tips-list {
    grid-template-columns: 1fr;
  }

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

  .hero-feature {
    grid-template-columns: 1fr;
  }

  .hero-feature-media {
    min-height: 200px;
    max-height: 280px;
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

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

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .related-links .related-grid {
    grid-template-columns: 1fr;
  }

  .process-note {
    flex-direction: column;
    align-items: flex-start;
  }

  .process-note img {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
  }

  .footer-inner {
    padding: 32px 16px 24px;
  }

  .footer-nav {
    gap: 8px 16px;
  }
}

@media (max-width: 480px) {
  .brand-name {
    font-size: 17px;
  }

  .btn-command {
    padding: 8px 12px;
    font-size: 12px;
  }

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

  .section-title {
    font-size: 20px;
  }

  .category-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .category-card {
    padding: 8px;
  }

  .category-card h3 {
    font-size: 14px;
  }

  .category-card p {
    font-size: 12px;
  }

  .tool-card {
    padding: 16px;
  }

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

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

  .today-list-section .today-item {
    grid-template-columns: 28px 56px 1fr;
    gap: 10px;
    padding: 12px;
  }

  .item-media {
    width: 56px;
    height: 42px;
  }

  .item-title {
    font-size: 15px;
  }

  .item-reason {
    font-size: 13px;
  }

  .genre-grid-inner {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .genre-name {
    font-size: 15px;
    padding: 10px 12px 2px;
  }

  .genre-desc {
    font-size: 12px;
    padding: 0 12px;
  }

  .genre-link {
    font-size: 12px;
    padding: 6px 12px 12px;
  }

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

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

  .week-day {
    padding: 6px 2px;
  }

  .day-name {
    font-size: 12px;
  }

  .day-type {
    font-size: 11px;
  }

  .week-col {
    padding: 12px 6px;
  }

  .week-note {
    font-size: 11px;
  }

  .hero-feature-content {
    padding: 20px;
  }

  .popular-item {
    flex-direction: column;
    gap: 8px;
  }

  .popular-num {
    min-width: auto;
  }

  .guide-step {
    flex-direction: column;
    gap: 8px;
  }

  .step-num {
    min-width: auto;
  }

  .step-item {
    flex-direction: column;
    gap: 8px;
  }

  .step-number {
    min-width: auto;
  }

  .related-links {
    padding: 24px 16px 0;
  }

  .error-code {
    font-size: 56px;
  }
}

/* ============================================================
   Accessibility — 可访问性增强
   ============================================================ */

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }

  html {
    scroll-behavior: auto;
  }
}