/* ==========================================================================
   lxkcb.cn 全站样式
   柔和科技风：浅灰白底、青绿色状态、真实界面图和细致分隔
   ========================================================================== */

/* ==========================================================================
   Base
   ========================================================================== */

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #2e3a45;
  background-color: #f5f7fa;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: #00a8a8;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #008a8a;
}

ul,
ol {
  list-style: none;
}

figure {
  margin: 0;
}

/* 视觉隐藏，仅屏幕阅读器可读 */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid #e0e6ed;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand a {
  font-size: 20px;
  font-weight: 700;
  color: #2e3a45;
  line-height: 1.3;
  display: inline-block;
}

.brand a:hover {
  color: #00a8a8;
}

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

.site-nav .nav-list li a {
  display: block;
  padding: 8px 16px;
  font-size: 15px;
  color: #2e3a45;
  border-radius: 6px;
  line-height: 1.4;
}

.site-nav .nav-list li a:hover {
  color: #00a8a8;
  background-color: #f0f7f7;
}

.site-nav .nav-list li a.is-current {
  color: #00a8a8;
  font-weight: 600;
  background-color: #eaf5f5;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid #e0e6ed;
  border-radius: 6px;
  width: 44px;
  height: 44px;
  padding: 0;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.nav-toggle-icon {
  display: block;
  position: relative;
  width: 20px;
  height: 2px;
  background-color: #2e3a45;
  transition: background-color 0.2s ease;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background-color: #2e3a45;
  transition: transform 0.2s ease;
}

.nav-toggle-icon::before {
  top: -6px;
}

.nav-toggle-icon::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon {
  background-color: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
  transform: translateY(-6px) rotate(-45deg);
}

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

.site-footer {
  background-color: #ffffff;
  border-top: 1px solid #e0e6ed;
  margin-top: 64px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 40px;
}

.footer-site-name {
  font-size: 18px;
  font-weight: 700;
  color: #2e3a45;
  margin-bottom: 8px;
}

.footer-desc {
  font-size: 14px;
  color: #6b7a88;
  line-height: 1.7;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.footer-col-title {
  font-size: 14px;
  font-weight: 600;
  color: #2e3a45;
  margin-bottom: 12px;
}

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

.footer-col ul li a {
  font-size: 14px;
  color: #6b7a88;
  line-height: 1.5;
}

.footer-col ul li a:hover {
  color: #00a8a8;
}

.footer-bottom {
  border-top: 1px solid #e0e6ed;
  padding: 16px 24px;
  text-align: center;
}

.footer-bottom p {
  max-width: 1200px;
  margin: 0 auto;
  font-size: 13px;
  color: #8a99a6;
}

/* ==========================================================================
   Components
   ========================================================================== */

/* 面包屑 */
.breadcrumb {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px 0;
  font-size: 14px;
  color: #6b7a88;
}

.breadcrumb a {
  color: #6b7a88;
}

.breadcrumb a:hover {
  color: #00a8a8;
}

.breadcrumb-sep {
  margin: 0 8px;
  color: #a0aebc;
}

.breadcrumb-current {
  color: #2e3a45;
  font-weight: 500;
}

/* 页面标题区（内页统一） */
.page-header {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 24px;
}

.page-title {
  font-size: 28px;
  font-weight: 700;
  color: #2e3a45;
  line-height: 1.3;
  margin-bottom: 8px;
}

.page-description {
  font-size: 16px;
  color: #6b7a88;
  line-height: 1.7;
  max-width: 720px;
}

/* 区块标题 */
.section-title {
  font-size: 22px;
  font-weight: 700;
  color: #2e3a45;
  line-height: 1.4;
  margin-bottom: 8px;
}

.section-desc,
.section-intro {
  font-size: 15px;
  color: #6b7a88;
  line-height: 1.7;
  margin-bottom: 24px;
}

/* 图片容器稳定约束 */
.hero-figure img,
.work-card img,
.update-cover,
.ranking-cover,
.tips-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ==========================================================================
   Pages - 首页
   ========================================================================== */

.home-main {
  width: 100%;
}

/* 首屏 Hero */
.hero-section {
  background-color: #ffffff;
  border-bottom: 1px solid #e0e6ed;
  padding: 48px 24px 40px;
}

.hero-section .hero-title {
  max-width: 1200px;
  margin: 0 auto 12px;
  font-size: 32px;
  font-weight: 700;
  color: #2e3a45;
  line-height: 1.3;
}

.hero-slogan {
  max-width: 1200px;
  margin: 0 auto 28px;
  font-size: 17px;
  color: #6b7a88;
  line-height: 1.7;
}

.hero-figure {
  max-width: 1200px;
  margin: 0 auto 28px;
  border-radius: 8px;
  overflow: hidden;
  background-color: #eaf5f5;
  aspect-ratio: 16 / 7;
}

.hero-tags {
  max-width: 1200px;
  margin: 0 auto 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.tag-group-label {
  font-size: 14px;
  font-weight: 600;
  color: #2e3a45;
  margin-right: 4px;
}

.tag-link {
  display: inline-block;
  padding: 6px 14px;
  font-size: 14px;
  color: #2e3a45;
  background-color: #f0f7f7;
  border: 1px solid #d5e8e8;
  border-radius: 20px;
  line-height: 1.4;
}

.tag-link:hover {
  color: #00a8a8;
  border-color: #00a8a8;
  background-color: #eaf5f5;
}

.hero-note {
  max-width: 1200px;
  margin: 0 auto;
  font-size: 14px;
  color: #8a99a6;
  line-height: 1.6;
}

.hero-note a {
  color: #00a8a8;
}

/* 题材分类导航带 */
.category-nav-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 0;
}

.category-tag-list {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

.category-chip {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 12px;
  background-color: #ffffff;
  border: 1px solid #e0e6ed;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  color: #2e3a45;
  text-align: center;
  line-height: 1.4;
  min-height: 44px;
}

.category-chip:hover {
  color: #00a8a8;
  border-color: #00a8a8;
  background-color: #f0f7f7;
}

/* 最近更新列表（首页） */
.latest-updates-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 0;
}

.update-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.update-group {
  background-color: #ffffff;
  border: 1px solid #e0e6ed;
  border-radius: 8px;
  padding: 20px;
}

.update-date {
  font-size: 15px;
  font-weight: 600;
  color: #2e3a45;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid #e0e6ed;
}

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

.update-item a {
  display: block;
  background-color: #f8fafb;
  border: 1px solid #e0e6ed;
  border-radius: 8px;
  padding: 12px;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.update-item a:hover {
  border-color: #00a8a8;
  background-color: #f0f7f7;
}

.update-title {
  font-size: 14px;
  font-weight: 500;
  color: #2e3a45;
  line-height: 1.4;
  margin-bottom: 6px;
}

.update-status {
  display: inline-block;
  font-size: 12px;
  color: #00a8a8;
  background-color: #eaf5f5;
  border-radius: 4px;
  padding: 2px 8px;
  line-height: 1.4;
}

.section-footer-link {
  margin-top: 20px;
  text-align: right;
}

.section-footer-link a {
  font-size: 14px;
  color: #00a8a8;
  font-weight: 500;
}

.section-footer-link a:hover {
  color: #008a8a;
}

/* 人气榜单预览（首页） */
.popular-preview-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 0;
}

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

.popular-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background-color: #ffffff;
  border: 1px solid #e0e6ed;
  border-radius: 8px;
  padding: 12px 16px;
}

.popular-item .rank {
  font-size: 20px;
  font-weight: 700;
  color: #00a8a8;
  width: 36px;
  flex-shrink: 0;
  text-align: center;
}

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

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

.popular-title {
  font-size: 15px;
  font-weight: 600;
  color: #2e3a45;
  line-height: 1.4;
  margin-bottom: 4px;
}

.popular-title a {
  color: #2e3a45;
}

.popular-title a:hover {
  color: #00a8a8;
}

.popular-reason {
  font-size: 14px;
  color: #6b7a88;
  line-height: 1.5;
}

/* 指南入口（首页） */
.guide-entry-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 0;
}

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

.guide-card {
  background-color: #ffffff;
  border: 1px solid #e0e6ed;
  border-radius: 8px;
  padding: 24px;
}

.guide-card-title {
  font-size: 17px;
  font-weight: 600;
  color: #2e3a45;
  margin-bottom: 8px;
}

.guide-card-text {
  font-size: 14px;
  color: #6b7a88;
  line-height: 1.7;
  margin-bottom: 16px;
}

.guide-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: #00a8a8;
  min-height: 44px;
  line-height: 44px;
}

.guide-link:hover {
  color: #008a8a;
}

/* 版权与反馈说明 */
.site-notice {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px 0;
}

.notice-text {
  background-color: #ffffff;
  border: 1px solid #e0e6ed;
  border-radius: 8px;
  padding: 20px 24px;
  font-size: 14px;
  color: #6b7a88;
  line-height: 1.7;
}

/* ==========================================================================
   Pages - 内页统一
   ========================================================================== */

.inner-main {
  width: 100%;
}

/* ==========================================================================
   Pages - 题材分类页
   ========================================================================== */

.page-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 32px;
  align-items: start;
}

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

.layout-aside {
  position: sticky;
  top: 24px;
}

.category-tags,
.genre-showcase {
  background-color: #ffffff;
  border: 1px solid #e0e6ed;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
}

.category-tags h2,
.genre-showcase h2 {
  font-size: 20px;
  font-weight: 700;
  color: #2e3a45;
  margin-bottom: 8px;
}

.category-tags p,
.genre-showcase p {
  font-size: 14px;
  color: #6b7a88;
  line-height: 1.7;
  margin-bottom: 16px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-list li a {
  display: inline-block;
  padding: 6px 14px;
  font-size: 14px;
  color: #2e3a45;
  background-color: #f0f7f7;
  border: 1px solid #d5e8e8;
  border-radius: 20px;
  line-height: 1.4;
}

.tag-list li a:hover {
  color: #00a8a8;
  border-color: #00a8a8;
  background-color: #eaf5f5;
}

/* 题材展示区 */
.genre-block {
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid #e0e6ed;
}

.genre-block:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.genre-block-header {
  margin-bottom: 16px;
}

.genre-block-header h3 {
  font-size: 18px;
  font-weight: 600;
  color: #2e3a45;
  margin-bottom: 6px;
}

.genre-block-header p {
  font-size: 14px;
  color: #6b7a88;
  line-height: 1.6;
}

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

.work-card {
  background-color: #f8fafb;
  border: 1px solid #e0e6ed;
  border-radius: 8px;
  padding: 12px;
  aspect-ratio: 3 / 4;
}

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

/* 侧栏卡片 */
.aside-card {
  background-color: #ffffff;
  border: 1px solid #e0e6ed;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
}

.aside-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: #2e3a45;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid #e0e6ed;
}

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

.aside-links li a {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  color: #6b7a88;
  line-height: 1.5;
}

.aside-links li a:hover {
  color: #00a8a8;
}

/* ==========================================================================
   Pages - 阅读指南页
   ========================================================================== */

.guide-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 32px;
  align-items: start;
}

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

.guide-aside {
  position: sticky;
  top: 24px;
}

.guide-section {
  background-color: #ffffff;
  border: 1px solid #e0e6ed;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
}

.guide-section h2 {
  font-size: 20px;
  font-weight: 700;
  color: #2e3a45;
  margin-bottom: 12px;
}

.guide-section > p {
  font-size: 14px;
  color: #6b7a88;
  line-height: 1.7;
  margin-bottom: 16px;
}

.step-list {
  margin-bottom: 16px;
}

.step-list li {
  position: relative;
  padding: 10px 0 10px 32px;
  font-size: 15px;
  color: #2e3a45;
  line-height: 1.6;
  border-bottom: 1px solid #f0f3f6;
}

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

.step-list li::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 18px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #00a8a8;
}

.step-list li strong {
  font-weight: 600;
  color: #2e3a45;
  margin-right: 4px;
}

/* 相关链接 */
.related-links {
  background-color: #ffffff;
  border: 1px solid #e0e6ed;
  border-radius: 8px;
  padding: 24px;
}

.related-title {
  font-size: 18px;
  font-weight: 700;
  color: #2e3a45;
  margin-bottom: 8px;
}

.related-links p {
  font-size: 14px;
  color: #6b7a88;
  line-height: 1.7;
}

.related-links p a {
  color: #00a8a8;
  margin-right: 16px;
  display: inline-block;
  padding: 4px 0;
}

.related-links p a:hover {
  color: #008a8a;
}

/* ==========================================================================
   Pages - 人气榜单页
   ========================================================================== */

.ranking-section,
.recommend-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 32px;
}

.ranking-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background-color: #ffffff;
  border: 1px solid #e0e6ed;
  border-radius: 8px;
  padding: 20px;
}

.ranking-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px;
  background-color: #f8fafb;
  border: 1px solid #e0e6ed;
  border-radius: 8px;
}

.ranking-badge {
  font-size: 18px;
  font-weight: 700;
  color: #00a8a8;
  background-color: #eaf5f5;
  border-radius: 6px;
  min-width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ranking-cover {
  width: 72px;
  height: 96px;
  border-radius: 4px;
  object-fit: cover;
  flex-shrink: 0;
}

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

.ranking-title {
  font-size: 16px;
  font-weight: 600;
  color: #2e3a45;
  margin-bottom: 4px;
  line-height: 1.4;
}

.ranking-desc {
  font-size: 14px;
  color: #6b7a88;
  line-height: 1.6;
  margin-bottom: 6px;
}

.ranking-reason {
  font-size: 13px;
  color: #8a99a6;
  line-height: 1.5;
}

.ranking-reason strong {
  color: #00a8a8;
  font-weight: 500;
  margin-right: 6px;
}

/* 推荐模块 */
.recommend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.recommend-card {
  background-color: #ffffff;
  border: 1px solid #e0e6ed;
  border-radius: 8px;
  padding: 20px;
}

.recommend-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: #2e3a45;
  margin-bottom: 8px;
}

.recommend-card p {
  font-size: 14px;
  color: #6b7a88;
  line-height: 1.6;
}

.more-link {
  margin-top: 16px;
}

.more-link a {
  display: inline-block;
  margin-right: 16px;
  font-size: 14px;
  color: #00a8a8;
  padding: 4px 0;
}

.more-link a:hover {
  color: #008a8a;
}

/* ==========================================================================
   Pages - 最近更新页
   ========================================================================== */

.latest-section,
.status-section,
.related-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 32px;
}

.update-group {
  background-color: #ffffff;
  border: 1px solid #e0e6ed;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
}

.update-date {
  font-size: 15px;
  font-weight: 600;
  color: #2e3a45;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid #e0e6ed;
}

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

.update-item {
  display: block;
}

.update-card {
  display: flex;
  gap: 12px;
  background-color: #f8fafb;
  border: 1px solid #e0e6ed;
  border-radius: 8px;
  padding: 12px;
  align-items: flex-start;
}

.update-cover {
  width: 56px;
  height: 76px;
  border-radius: 4px;
  object-fit: cover;
  flex-shrink: 0;
}

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

.update-title {
  font-size: 14px;
  font-weight: 500;
  color: #2e3a45;
  line-height: 1.4;
  margin-bottom: 4px;
}

.update-meta {
  font-size: 12px;
  color: #8a99a6;
  line-height: 1.5;
}

.update-link {
  display: inline-block;
  font-size: 13px;
  color: #00a8a8;
  margin-top: 4px;
}

.update-link:hover {
  color: #008a8a;
}

/* 更新状态说明 */
.status-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.status-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background-color: #ffffff;
  border: 1px solid #e0e6ed;
  border-radius: 8px;
  padding: 16px;
}

.status-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: #00a8a8;
  background-color: #eaf5f5;
  border-radius: 4px;
  padding: 4px 10px;
  flex-shrink: 0;
  line-height: 1.4;
}

.status-desc {
  font-size: 14px;
  color: #6b7a88;
  line-height: 1.6;
}

.status-note {
  margin-top: 16px;
  font-size: 13px;
  color: #8a99a6;
  line-height: 1.6;
}

/* 相关链接 */
.related-links {
  background-color: #ffffff;
  border: 1px solid #e0e6ed;
  border-radius: 8px;
  padding: 20px;
}

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

.related-links li a {
  display: inline-block;
  font-size: 14px;
  color: #00a8a8;
  padding: 4px 0;
}

.related-links li a:hover {
  color: #008a8a;
}

/* ==========================================================================
   Pages - 追更技巧页
   ========================================================================== */

.content-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 32px;
}

.content-section h2 {
  font-size: 22px;
  font-weight: 700;
  color: #2e3a45;
  margin-bottom: 12px;
}

.content-section > p {
  font-size: 15px;
  color: #6b7a88;
  line-height: 1.7;
  margin-bottom: 20px;
}

/* 方法列表 */
.method-list,
.tool-list,
.time-tips {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.method-item,
.tool-item,
.time-item {
  background-color: #ffffff;
  border: 1px solid #e0e6ed;
  border-radius: 8px;
  padding: 20px;
}

.method-item h3,
.tool-item h3,
.time-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: #2e3a45;
  margin-bottom: 8px;
}

.method-item p,
.tool-item p,
.time-item p {
  font-size: 14px;
  color: #6b7a88;
  line-height: 1.6;
}

/* 追更示意图 */
.tips-figure {
  margin-top: 20px;
  border-radius: 8px;
  overflow: hidden;
  background-color: #eaf5f5;
  aspect-ratio: 16 / 9;
}

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

.tips-figure figcaption {
  padding: 10px 16px;
  font-size: 13px;
  color: #6b7a88;
  background-color: #ffffff;
  border: 1px solid #e0e6ed;
  border-top: none;
  border-radius: 0 0 8px 8px;
}

/* ==========================================================================
   Pages - 404
   ========================================================================== */

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

.error-section {
  text-align: center;
  max-width: 560px;
  width: 100%;
}

.error-code {
  font-size: 72px;
  font-weight: 700;
  color: #00a8a8;
  line-height: 1.2;
  margin-bottom: 16px;
}

.error-title {
  font-size: 24px;
  font-weight: 700;
  color: #2e3a45;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 15px;
  color: #6b7a88;
  line-height: 1.7;
  margin-bottom: 24px;
}

.error-back-btn {
  display: inline-block;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 500;
  color: #ffffff;
  background-color: #00a8a8;
  border-radius: 6px;
  line-height: 1.4;
  min-height: 44px;
}

.error-back-btn:hover {
  background-color: #008a8a;
  color: #ffffff;
}

.error-links {
  margin-top: 20px;
}

.error-links a {
  display: inline-block;
  margin: 0 12px;
  font-size: 14px;
  color: #00a8a8;
}

.error-links a:hover {
  color: #008a8a;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
  .category-tag-list {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

@media (max-width: 768px) {
  .header-inner {
    height: 60px;
    padding: 0 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background-color: #ffffff;
    border-bottom: 1px solid #e0e6ed;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    z-index: 100;
  }

  .site-nav .nav-list {
    display: none;
    flex-direction: column;
    padding: 12px 16px;
    gap: 4px;
  }

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

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

  .site-nav .nav-list li a {
    padding: 12px 16px;
    font-size: 16px;
  }

  .hero-section {
    padding: 32px 16px 28px;
  }

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

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

  .hero-tags {
    gap: 8px;
  }

  .tag-link {
    font-size: 13px;
    padding: 6px 12px;
  }

  .category-nav-section,
  .latest-updates-section,
  .popular-preview-section,
  .guide-entry-section,
  .site-notice {
    padding-left: 16px;
    padding-right: 16px;
  }

  .category-tag-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .category-chip {
    padding: 12px 8px;
    font-size: 14px;
  }

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

  .guide-cards {
    grid-template-columns: 1fr;
  }

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

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

  .footer-bottom {
    padding: 16px;
  }

  /* 内页移动端 */
  .breadcrumb {
    padding: 16px 16px 0;
  }

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

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

  .page-description {
    font-size: 15px;
  }

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

  .layout-aside,
  .guide-aside {
    position: static;
    order: 2;
  }

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

  .ranking-section,
  .recommend-section,
  .latest-section,
  .status-section,
  .related-section,
  .content-section {
    padding-left: 16px;
    padding-right: 16px;
  }

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

  .ranking-cover {
    width: 56px;
    height: 76px;
  }

  .recommend-grid,
  .method-list,
  .tool-list,
  .time-tips {
    grid-template-columns: 1fr;
  }

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

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

  .status-item {
    padding: 14px;
  }

  .error-main {
    padding: 60px 16px;
  }

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

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

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

  .category-chip {
    padding: 10px 6px;
    font-size: 13px;
  }

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

  .update-item a {
    padding: 10px;
  }

  .popular-item {
    padding: 10px 12px;
    gap: 12px;
  }

  .popular-item img {
    width: 40px;
    height: 56px;
  }

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

  .guide-card {
    padding: 18px;
  }

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

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

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

  .ranking-badge {
    min-width: 32px;
    height: 32px;
    font-size: 15px;
  }

  .ranking-cover {
    width: 48px;
    height: 64px;
  }

  .update-card {
    padding: 10px;
  }

  .update-cover {
    width: 48px;
    height: 64px;
  }

  .error-code {
    font-size: 44px;
  }

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