/* ============================================================
   抖漫 · 全站样式表
   编辑部文化风 · 品牌蓝 + 浅灰背景
   ============================================================ */

/* ============================================================
   Base / Reset
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans SC", sans-serif;
  font-size: 15px;
  line-height: 1.75;
  color: #1F2937;
  background-color: #F5F6FA;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: #2D5BFF;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #1a3fcc;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.4;
  color: #1F2937;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

/* ============================================================
   Layout / 全站骨架
   ============================================================ */
.site-header {
  background-color: #FFFFFF;
  border-bottom: 1px solid #E5E7EB;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-shrink: 0;
}

.brand-name {
  font-size: 24px;
  font-weight: 700;
  color: #2D5BFF;
  letter-spacing: 0;
}

.brand-tagline {
  font-size: 13px;
  color: #6B7280;
  white-space: nowrap;
}

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

.site-nav .nav-list a {
  display: block;
  padding: 8px 14px;
  font-size: 14px;
  color: #4B5563;
  border-radius: 6px;
  line-height: 1.5;
  white-space: nowrap;
}

.site-nav .nav-list a:hover {
  color: #2D5BFF;
  background-color: #EEF2FF;
}

.site-nav .nav-list a.is-current {
  color: #2D5BFF;
  background-color: #EEF2FF;
  font-weight: 600;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: 6px;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background-color: #1F2937;
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-main {
  min-height: 60vh;
}

.site-footer {
  background-color: #FFFFFF;
  border-top: 1px solid #E5E7EB;
  margin-top: 64px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 20px 32px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-col h3 {
  font-size: 15px;
  font-weight: 600;
  color: #1F2937;
  margin-bottom: 16px;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul a {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.6;
}

.footer-col ul a:hover {
  color: #2D5BFF;
}

.footer-brand .footer-logo {
  font-size: 20px;
  font-weight: 700;
  color: #2D5BFF;
  display: inline-block;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.7;
  max-width: 280px;
}

.footer-bottom {
  border-top: 1px solid #E5E7EB;
  padding: 20px;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: #9CA3AF;
}

/* ============================================================
   Components / 通用组件
   ============================================================ */

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 6px;
  line-height: 1.5;
  transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
  min-height: 44px;
}

.btn-primary {
  background-color: #2D5BFF;
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: #1a3fcc;
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(45, 91, 255, 0.3);
}

.btn-secondary {
  background-color: #FFFFFF;
  color: #2D5BFF;
  border: 1px solid #2D5BFF;
}

.btn-secondary:hover {
  background-color: #EEF2FF;
  color: #1a3fcc;
}

.btn-lg {
  padding: 14px 32px;
  font-size: 16px;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: #6B7280;
  margin-bottom: 20px;
}

.breadcrumb a {
  color: #6B7280;
}

.breadcrumb a:hover {
  color: #2D5BFF;
}

.breadcrumb-sep {
  color: #9CA3AF;
}

.breadcrumb-current {
  color: #1F2937;
  font-weight: 500;
}

/* 页面标题区 */
.page-header {
  background-color: #F5F6FA;
  padding: 32px 0 24px;
  margin-bottom: 32px;
  border-bottom: 1px solid #E5E7EB;
}

.page-title {
  font-size: 28px;
  font-weight: 700;
  color: #1F2937;
  line-height: 1.3;
  margin-bottom: 8px;
}

.page-description {
  font-size: 15px;
  color: #6B7280;
  line-height: 1.7;
  max-width: 720px;
}

/* 内页双栏布局 */
.page-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 32px;
  align-items: start;
}

.main-content {
  min-width: 0;
  min-height: 400px;
}

/* 侧栏 */
.sidebar {
  min-width: 0;
}

.sidebar-card {
  background-color: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
}

.sidebar-card h2 {
  font-size: 16px;
  font-weight: 600;
  color: #1F2937;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid #E5E7EB;
}

.sidebar-card ul li {
  margin-bottom: 12px;
}

.sidebar-card ul a {
  font-size: 14px;
  color: #4B5563;
  line-height: 1.6;
  display: inline-block;
}

.sidebar-card ul a:hover {
  color: #2D5BFF;
}

.sidebar-links li a {
  padding-left: 12px;
  position: relative;
}

.sidebar-links li a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: #2D5BFF;
}

/* 状态标签 */
.tag, .status-tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: 12px;
  font-weight: 500;
  border-radius: 4px;
  line-height: 1.6;
  white-space: nowrap;
}

.tag-serial, .status-serial {
  background-color: #E0F7F4;
  color: #00897B;
}

.tag-week, .status-weekly {
  background-color: #FFF3E8;
  color: #E65100;
}

.tag-end, .status-finished {
  background-color: #EEF2FF;
  color: #2D5BFF;
}

/* FAQ */
.faq-item {
  background-color: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-item summary {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 500;
  color: #1F2937;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

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

.faq-item summary::after {
  content: "+";
  font-size: 20px;
  color: #2D5BFF;
  font-weight: 400;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

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

.faq-item[open] summary {
  border-bottom: 1px solid #E5E7EB;
}

.faq-item p {
  padding: 16px 20px;
  font-size: 14px;
  color: #4B5563;
  line-height: 1.75;
}

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

/* 品牌摘要条 */
.brand-summary {
  background-color: #2D5BFF;
  color: #FFFFFF;
}

.summary-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.summary-text {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
}

.summary-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

.summary-actions .btn-primary {
  background-color: #FFFFFF;
  color: #2D5BFF;
}

.summary-actions .btn-primary:hover {
  background-color: #EEF2FF;
}

.summary-actions .btn-secondary {
  background-color: transparent;
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.6);
}

.summary-actions .btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
}

/* 首屏焦点区 */
.hero-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 20px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-copy h1 {
  font-size: 36px;
  font-weight: 700;
  color: #1F2937;
  line-height: 1.3;
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 18px;
  font-weight: 500;
  color: #2D5BFF;
  margin-bottom: 12px;
}

.hero-desc {
  font-size: 15px;
  color: #4B5563;
  line-height: 1.75;
  margin-bottom: 24px;
  max-width: 480px;
}

.hero-figure {
  background-color: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.hero-figure img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

/* 首页通用 section */
.home-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px 0;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.section-head h2 {
  font-size: 22px;
  font-weight: 700;
  color: #1F2937;
}

.section-more {
  font-size: 14px;
  color: #6B7280;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.section-more span {
  transition: transform 0.2s ease;
}

.section-more:hover {
  color: #2D5BFF;
}

.section-more:hover span {
  transform: translateX(3px);
}

/* 最近更新 */
.update-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.update-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background-color: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  padding: 12px 16px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.update-item:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  transform: translateY(-1px);
}

.update-item img {
  width: 48px;
  height: 64px;
  object-fit: cover;
  border-radius: 4px;
  flex-shrink: 0;
}

.update-info {
  flex: 1;
  min-width: 0;
}

.update-info h3 {
  font-size: 15px;
  font-weight: 600;
  color: #1F2937;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.update-info .tag {
  margin-right: 6px;
}

.update-item time {
  font-size: 13px;
  color: #9CA3AF;
  flex-shrink: 0;
  white-space: nowrap;
}

/* 题材墙 */
.genre-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.genre-tile {
  display: block;
  background-color: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.genre-tile:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
  transform: translateY(-3px);
}

.genre-tile img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.genre-tile .genre-name {
  display: block;
  padding: 14px 16px 4px;
  font-size: 16px;
  font-weight: 600;
  color: #1F2937;
}

.genre-tile .genre-count {
  display: block;
  padding: 0 16px 14px;
  font-size: 13px;
  color: #9CA3AF;
}

/* 热榜 */
.rank-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.rank-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background-color: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  padding: 14px 16px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.rank-item:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  transform: translateY(-1px);
}

.rank-num {
  font-size: 20px;
  font-weight: 700;
  color: #2D5BFF;
  width: 36px;
  text-align: center;
  flex-shrink: 0;
}

.rank-item:nth-child(n+4) .rank-num {
  color: #9CA3AF;
}

.rank-item a {
  flex: 1;
  min-width: 0;
  font-size: 15px;
  color: #1F2937;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rank-item a:hover {
  color: #2D5BFF;
}

.rank-tag {
  font-size: 12px;
  color: #6B7280;
  background-color: #F5F6FA;
  padding: 2px 8px;
  border-radius: 4px;
  flex-shrink: 0;
}

/* 专题推荐 */
.collection-scroll {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.collection-card {
  display: block;
  background-color: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.collection-card:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
  transform: translateY(-3px);
}

.collection-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.collection-card .collection-name {
  display: block;
  padding: 14px 16px 4px;
  font-size: 16px;
  font-weight: 600;
  color: #1F2937;
}

.collection-card .collection-desc {
  display: block;
  padding: 0 16px 16px;
  font-size: 13px;
  color: #6B7280;
  line-height: 1.6;
}

/* 阅读路径 */
.path-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: path-step;
}

.path-step {
  background-color: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  padding: 24px;
  position: relative;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: #2D5BFF;
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 600;
  border-radius: 50%;
  margin-bottom: 12px;
}

.path-step h3 {
  font-size: 16px;
  font-weight: 600;
  color: #1F2937;
  margin-bottom: 8px;
}

.path-step p {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.7;
}

/* 公告与反馈 */
.notice-feedback {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  padding-bottom: 48px;
  align-items: start;
}

.notice-list, .feedback-entry {
  background-color: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  padding: 24px;
}

.notice-list h2, .feedback-entry h2 {
  font-size: 18px;
  font-weight: 600;
  color: #1F2937;
  margin-bottom: 16px;
}

.notice-list ul li {
  padding: 10px 0;
  border-bottom: 1px solid #F5F6FA;
}

.notice-list ul li:last-child {
  border-bottom: none;
}

.notice-list ul a {
  font-size: 14px;
  color: #4B5563;
  line-height: 1.6;
}

.notice-list ul a:hover {
  color: #2D5BFF;
}

.feedback-entry p {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.7;
  margin-bottom: 16px;
}

/* ============================================================
   题材总览页
   ============================================================ */
.genre-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.genre-row {
  background-color: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  padding: 24px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  align-items: start;
}

.genre-info h3 {
  font-size: 18px;
  font-weight: 600;
  color: #1F2937;
  margin-bottom: 8px;
}

.genre-info p {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.7;
  margin-bottom: 12px;
}

.genre-info a {
  font-size: 14px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.genre-covers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.cover-item {
  margin: 0;
}

.cover-item img {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: 4px;
}

.hot-genres li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid #F5F6FA;
}

.hot-genres li:last-child {
  border-bottom: none;
}

.hot-genres a {
  font-size: 14px;
  color: #4B5563;
}

.hot-genres a:hover {
  color: #2D5BFF;
}

/* ============================================================
   新手指引页
   ============================================================ */
.reading-steps {
  margin-bottom: 48px;
}

.reading-steps > h2, .faq-section > h2 {
  font-size: 20px;
  font-weight: 700;
  color: #1F2937;
  margin-bottom: 12px;
}

.reading-steps > p, .faq-section > p {
  font-size: 14px;
  color: #6B7280;
  margin-bottom: 24px;
}

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

.step-card {
  background-color: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  padding: 24px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: #2D5BFF;
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 600;
  border-radius: 50%;
  margin-bottom: 12px;
}

.step-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: #1F2937;
  margin-bottom: 8px;
}

.step-card p {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.7;
}

.reading-figure {
  margin-top: 32px;
  background-color: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  overflow: hidden;
}

.reading-figure img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.reading-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: #6B7280;
  text-align: center;
}

.faq-section > p a {
  font-weight: 500;
}

/* ============================================================
   更新速报页
   ============================================================ */
.update-legend {
  background-color: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  padding: 20px 24px;
  margin-bottom: 32px;
}

.update-legend h2 {
  font-size: 16px;
  font-weight: 600;
  color: #1F2937;
  margin-bottom: 8px;
}

.update-legend > p {
  font-size: 13px;
  color: #6B7280;
  margin-bottom: 16px;
}

.legend-list {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.legend-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #4B5563;
}

.update-list-section > h2 {
  font-size: 20px;
  font-weight: 700;
  color: #1F2937;
  margin-bottom: 8px;
}

.update-list-section > p {
  font-size: 14px;
  color: #6B7280;
  margin-bottom: 24px;
}

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

.update-group h3 {
  font-size: 16px;
  font-weight: 600;
  color: #2D5BFF;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid #EEF2FF;
}

.update-group .update-list {
  gap: 8px;
}

.update-group .update-item {
  padding: 10px 16px;
}

.update-group .update-item img {
  width: 40px;
  height: 54px;
}

.update-list-footer {
  display: flex;
  gap: 16px;
  margin-top: 24px;
}

.update-list-footer a {
  font-size: 14px;
  font-weight: 500;
}

.notice-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 0;
  border-bottom: 1px solid #F5F6FA;
  font-size: 14px;
  color: #4B5563;
  line-height: 1.6;
}

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

.notice-dot {
  width: 6px;
  height: 6px;
  background-color: #FF6B35;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 8px;
}

/* ============================================================
   追更指南页
   ============================================================ */
.content-main {
  min-width: 0;
  min-height: 400px;
}

.guide-steps, .guide-paths, .guide-visual, .guide-faq {
  margin-bottom: 48px;
}

.guide-steps > h2, .guide-paths > h2, .guide-visual > h2, .guide-faq > h2 {
  font-size: 20px;
  font-weight: 700;
  color: #1F2937;
  margin-bottom: 12px;
}

.section-intro {
  font-size: 14px;
  color: #6B7280;
  margin-bottom: 24px;
}

.step-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.step-item {
  display: flex;
  gap: 16px;
  background-color: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  padding: 20px 24px;
  align-items: flex-start;
}

.step-item .step-number {
  flex-shrink: 0;
  margin-bottom: 0;
}

.step-content {
  flex: 1;
  min-width: 0;
}

.step-content h3 {
  font-size: 16px;
  font-weight: 600;
  color: #1F2937;
  margin-bottom: 6px;
}

.step-content p {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.7;
}

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

.path-card {
  background-color: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  padding: 24px;
}

.path-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: #1F2937;
  margin-bottom: 8px;
}

.path-card p {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.7;
  margin-bottom: 12px;
}

.path-card ul {
  padding-left: 0;
}

.path-card ul li {
  font-size: 13px;
  color: #4B5563;
  padding: 4px 0;
  padding-left: 14px;
  position: relative;
}

.path-card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: #00B8A9;
}

.guide-figure {
  background-color: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 16px;
}

.guide-figure img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.guide-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: #6B7280;
  text-align: center;
}

.guide-visual > p {
  font-size: 14px;
  color: #6B7280;
  margin-bottom: 16px;
}

.side-card {
  background-color: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  padding: 24px;
}

.side-card h2 {
  font-size: 16px;
  font-weight: 600;
  color: #1F2937;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid #E5E7EB;
}

.side-links li {
  margin-bottom: 12px;
}

.side-links li a {
  font-size: 14px;
  color: #4B5563;
  padding-left: 12px;
  position: relative;
  display: inline-block;
}

.side-links li a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background-color: #2D5BFF;
}

.side-links li a:hover {
  color: #2D5BFF;
}

/* ============================================================
   专题推荐页
   ============================================================ */
.layout-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.layout-shell .page-layout {
  padding: 0;
}

.collection-list-section {
  margin-bottom: 48px;
}

.section-heading {
  margin-bottom: 32px;
}

.section-heading h2 {
  font-size: 20px;
  font-weight: 700;
  color: #1F2937;
  margin-bottom: 8px;
}

.section-heading p {
  font-size: 14px;
  color: #6B7280;
}

.collection-card {
  background-color: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
}

.collection-card-head {
  margin-bottom: 16px;
}

.collection-card-head h3 {
  font-size: 18px;
  font-weight: 600;
  color: #1F2937;
  margin-bottom: 8px;
}

.collection-card-head p {
  font-size: 14px;
  color: #6B7280;
}

.collection-cover-wall {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.collection-cover-wall img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: 4px;
}

.collection-reason {
  font-size: 14px;
  color: #4B5563;
  line-height: 1.7;
  margin-bottom: 12px;
  padding: 12px 16px;
  background-color: #F5F6FA;
  border-radius: 6px;
}

.collection-link {
  font-size: 14px;
}

.collection-link a {
  font-weight: 500;
}

.collection-index-list li {
  padding: 8px 0;
  border-bottom: 1px solid #F5F6FA;
}

.collection-index-list li:last-child {
  border-bottom: none;
}

.collection-index-list a {
  font-size: 14px;
  color: #4B5563;
}

.collection-index-list a:hover {
  color: #2D5BFF;
}

/* ============================================================
   反馈通道页
   ============================================================ */
.feedback-types, .process-flow, .other-entry {
  margin-bottom: 48px;
}

.feedback-types > h2, .process-flow > h2, .other-entry > h2 {
  font-size: 20px;
  font-weight: 700;
  color: #1F2937;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 14px;
  color: #6B7280;
  margin-bottom: 24px;
}

.content-media {
  margin-bottom: 24px;
}

.content-media img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
}

.content-media figcaption {
  font-size: 13px;
  color: #6B7280;
  text-align: center;
  padding: 8px 0;
}

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

.feedback-card {
  background-color: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  padding: 24px;
}

.feedback-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: #1F2937;
  margin-bottom: 8px;
}

.feedback-card p {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.7;
  margin-bottom: 12px;
}

.feedback-tag {
  display: inline-block;
  font-size: 12px;
  color: #2D5BFF;
  background-color: #EEF2FF;
  padding: 2px 10px;
  border-radius: 4px;
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.process-step {
  display: flex;
  gap: 16px;
  background-color: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  padding: 20px 24px;
  align-items: flex-start;
}

.process-step .step-num {
  flex-shrink: 0;
  margin-bottom: 0;
}

.step-body h3 {
  font-size: 16px;
  font-weight: 600;
  color: #1F2937;
  margin-bottom: 6px;
}

.step-body p {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.7;
}

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

.entry-link {
  display: block;
  background-color: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  padding: 16px 20px;
  font-size: 14px;
  font-weight: 500;
  color: #4B5563;
  text-align: center;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.entry-link:hover {
  border-color: #2D5BFF;
  color: #2D5BFF;
}

.sidebar-inner {
  background-color: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  padding: 24px;
}

.sidebar-inner h2 {
  font-size: 16px;
  font-weight: 600;
  color: #1F2937;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid #E5E7EB;
}

.sidebar-note {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid #E5E7EB;
}

.sidebar-note p {
  font-size: 13px;
  color: #6B7280;
  line-height: 1.6;
}

.sidebar-note a {
  font-weight: 500;
}

/* ============================================================
   404 页面
   ============================================================ */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 48px 20px;
}

.error-section {
  max-width: 560px;
  text-align: center;
  background-color: #FFFFFF;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  padding: 48px 40px;
}

.error-code {
  font-size: 72px;
  font-weight: 700;
  color: #2D5BFF;
  line-height: 1;
  margin-bottom: 16px;
}

.error-section h1 {
  font-size: 24px;
  font-weight: 600;
  color: #1F2937;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 15px;
  color: #6B7280;
  line-height: 1.7;
  margin-bottom: 24px;
}

.error-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.error-links {
  border-top: 1px solid #E5E7EB;
  padding-top: 24px;
}

.error-links p {
  font-size: 14px;
  color: #6B7280;
  margin-bottom: 12px;
}

.error-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

.error-links a {
  font-size: 14px;
  font-weight: 500;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .header-inner {
    padding: 0 16px;
  }

  .site-nav .nav-list a {
    padding: 8px 10px;
    font-size: 13px;
  }

  .page-layout {
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 24px;
    padding: 0 16px;
  }

  .genre-row {
    grid-template-columns: 180px 1fr;
    gap: 16px;
  }

  .hero-section {
    padding: 40px 16px;
    gap: 32px;
  }

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

  .footer-inner {
    padding: 40px 16px 24px;
    gap: 24px;
  }
}

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

  .brand-tagline {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background-color: #FFFFFF;
    border-bottom: 1px solid #E5E7EB;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
  }

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

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

  .site-nav .nav-list li {
    width: 100%;
  }

  .site-nav .nav-list a {
    padding: 12px 16px;
    font-size: 15px;
    border-radius: 6px;
    white-space: normal;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }

  .hero-section {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 16px;
  }

  .hero-copy h1 {
    font-size: 28px;
  }

  .hero-figure img {
    height: 260px;
  }

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

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

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

  .notice-feedback {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }

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

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

  .sidebar {
    order: 2;
    margin-top: 32px;
  }

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

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

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

  .collection-cover-wall {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .collection-cover-wall img {
    height: 120px;
  }

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

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

  .layout-shell {
    padding: 0 16px;
  }

  .layout-shell .page-layout {
    padding: 0;
  }

  .update-group .update-item {
    flex-wrap: wrap;
  }

  .update-group .update-item time {
    margin-left: auto;
  }
}

@media (max-width: 480px) {
  .summary-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .summary-actions {
    width: 100%;
  }

  .summary-actions .btn {
    flex: 1;
  }

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

  .genre-tile img {
    height: 180px;
  }

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

  .update-item {
    flex-wrap: wrap;
  }

  .update-item time {
    margin-left: auto;
  }

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

  .footer-brand {
    grid-column: 1;
  }

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

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

  .error-actions {
    flex-direction: column;
  }

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

  .hero-figure img {
    height: 200px;
  }

  .rank-item {
    gap: 12px;
  }

  .rank-num {
    width: 28px;
    font-size: 18px;
  }

  .collection-cover-wall {
    grid-template-columns: 1fr 1fr;
  }

  .collection-cover-wall img {
    height: 100px;
  }

  .genre-covers {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .cover-item img {
    height: 90px;
  }
}

/* 打印样式 */
@media print {
  .site-header, .site-footer, .sidebar, .breadcrumb, .nav-toggle {
    display: none;
  }

  .page-layout {
    display: block;
  }

  body {
    background-color: #FFFFFF;
  }

  .main-content, .content-main, .main-column {
    width: 100%;
  }
}