/* =========================================================
   www..羞羞漫画.com - 整站样式表
   柔和科技风：浅灰白底、青绿色状态、细致分隔
   ========================================================= */

/* ---------------------------------------------------------
   Base / 基础
   --------------------------------------------------------- */
:root {
  --color-bg: #f5f7fa;
  --color-surface: #ffffff;
  --color-primary: #2ecc71;
  --color-primary-dark: #27ae60;
  --color-primary-light: #e8f8f0;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-lighter: #999999;
  --color-border: #e5e9f0;
  --color-border-light: #eef1f5;
  --color-hero-bg: #f0faf5;
  --color-footer-bg: #2c3e50;
  --color-footer-text: #b8c4ce;
  --color-footer-heading: #ffffff;
  --color-link: #2ecc71;
  --color-link-hover: #27ae60;
  --color-badge-new: #ff6b6b;
  --color-badge-continue: #2ecc71;
  --color-badge-pause: #f39c12;
  --color-badge-complete: #95a5a6;
  --color-rank-top: #e74c3c;
  --color-rank-mid: #e67e22;
  --color-rank-normal: #7f8c8d;

  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;

  --container-width: 1200px;
  --container-padding: 24px;
  --header-height: 72px;
  --radius: 8px;
  --radius-sm: 6px;
  --radius-lg: 12px;
  --transition: 0.25s ease;
  --shadow: 0 2px 12px rgba(51, 51, 51, 0.06);
  --shadow-hover: 0 4px 20px rgba(46, 204, 113, 0.12);
}

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

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

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--color-text);
  line-height: 1.3;
  font-weight: 700;
}

h1 {
  font-size: 32px;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 18px;
}

p {
  margin-bottom: 12px;
}

/* ---------------------------------------------------------
   全站视觉骨架 / 页头
   --------------------------------------------------------- */
.site-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.site-brand {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  flex-shrink: 0;
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.5px;
}

.brand-slogan {
  font-size: 12px;
  color: var(--color-text-lighter);
  margin-top: 2px;
}

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

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

.nav-list li a {
  display: block;
  padding: 8px 16px;
  font-size: 15px;
  color: var(--color-text-light);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  line-height: 1.4;
}

.nav-list li a:hover {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}

.nav-list li a.is-current {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  font-weight: 600;
}

/* 汉堡按钮（手机端） */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.nav-toggle:hover {
  background-color: var(--color-bg);
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* ---------------------------------------------------------
   全站视觉骨架 / 页脚
   --------------------------------------------------------- */
.site-footer {
  background-color: var(--color-footer-bg);
  color: var(--color-footer-text);
  margin-top: 64px;
}

.footer-links {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px var(--container-padding) 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.footer-group h3 {
  font-size: 15px;
  color: var(--color-footer-heading);
  margin-bottom: 14px;
  font-weight: 600;
}

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

.footer-group li a {
  font-size: 14px;
  color: var(--color-footer-text);
  transition: color var(--transition);
}

.footer-group li a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px var(--container-padding);
  text-align: center;
}

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

.footer-bottom p:last-child {
  margin-bottom: 0;
}

/* ---------------------------------------------------------
   通用布局 / 容器
   --------------------------------------------------------- */
.site-main {
  min-height: 60vh;
}

.home-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

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

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 20px 0 4px;
  font-size: 14px;
  color: var(--color-text-lighter);
}

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

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

.breadcrumb-sep {
  color: #c0c8d0;
}

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

/* 页面标题区（内页统一） */
.page-header {
  padding: 24px 0 28px;
  border-bottom: 1px solid var(--color-border-light);
  margin-bottom: 32px;
}

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

.page-description {
  font-size: 16px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 0;
  max-width: 720px;
}

/* 通用区块标题 */
.section-desc {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 24px;
}

.section-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
}

/* 文字链接 */
.text-link {
  display: inline-block;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  padding: 6px 0;
  position: relative;
}

.text-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.text-link:hover {
  color: var(--color-primary-dark);
}

.text-link:hover::after {
  transform: scaleX(1);
}

/* 通用卡片 */
.entry-card {
  display: block;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  padding: 24px;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.entry-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.entry-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 0;
}

/* ---------------------------------------------------------
   首页 / 首屏 hero
   --------------------------------------------------------- */
.hero-section {
  padding: 40px 0 48px;
}

.hero-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 32px;
  align-items: stretch;
}

/* 左侧主推 */
.hero-feature {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero-figure {
  background-color: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border-light);
}

.hero-figure img {
  width: 100%;
  height: 340px;
  object-fit: cover;
}

.hero-figure figcaption {
  padding: 12px 16px;
  font-size: 14px;
  color: var(--color-text-light);
  text-align: center;
  background-color: var(--color-surface);
}

.hero-caption h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.3;
}

.hero-caption p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 16px;
}

.btn-primary {
  display: inline-block;
  padding: 10px 24px;
  background-color: var(--color-primary);
  color: #ffffff;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition: background-color var(--transition);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: #ffffff;
}

/* 右侧最近更新 */
.hero-recent {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.hero-recent h2 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border-light);
}

.recent-mini-list li {
  margin-bottom: 12px;
}

.recent-mini-list li:last-child {
  margin-bottom: 16px;
}

.recent-mini-list li a {
  display: block;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg);
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.5;
  transition: background-color var(--transition), color var(--transition);
}

.recent-mini-list li a:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.hero-recent .text-link {
  display: block;
  text-align: center;
  padding: 10px;
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
}

.hero-recent .text-link::after {
  display: none;
}

.hero-recent .text-link:hover {
  background-color: var(--color-primary-light);
}

/* ---------------------------------------------------------
   首页 / 题材分类导航带
   --------------------------------------------------------- */
.category-nav-section {
  padding: 40px 0;
  border-top: 1px solid var(--color-border-light);
}

.category-nav-section h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.category-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.category-tags li a {
  display: inline-block;
  padding: 8px 20px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 14px;
  color: var(--color-text-light);
  transition: all var(--transition);
}

.category-tags li a:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

/* ---------------------------------------------------------
   首页 / 最近更新预览
   --------------------------------------------------------- */
.recent-preview-section {
  padding: 40px 0;
}

.recent-preview-section h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.recent-group-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 20px;
}

.recent-group {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  padding: 20px 24px;
}

.recent-group h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border-light);
}

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

.recent-item {
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.recent-item:hover {
  box-shadow: var(--shadow-hover);
}

.recent-item img {
  width: 100%;
  height: 140px;
  object-fit: cover;
}

.recent-item .recent-info {
  padding: 10px 12px;
}

.recent-item .recent-title {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: 1.4;
}

.recent-item .recent-status {
  display: inline-block;
  font-size: 12px;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  padding: 2px 8px;
  border-radius: 999px;
}

/* ---------------------------------------------------------
   首页 / 人气榜单预览
   --------------------------------------------------------- */
.ranking-preview-section {
  padding: 40px 0;
  border-top: 1px solid var(--color-border-light);
}

.ranking-preview-section h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.ranking-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.ranking-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  padding: 12px 16px;
  transition: box-shadow var(--transition);
}

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

.rank-num {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  background-color: var(--color-rank-normal);
  flex-shrink: 0;
}

.ranking-item:nth-child(1) .rank-num {
  background-color: var(--color-rank-top);
}

.ranking-item:nth-child(2) .rank-num {
  background-color: var(--color-rank-mid);
}

.ranking-item:nth-child(3) .rank-num {
  background-color: var(--color-primary);
}

.ranking-item img {
  width: 72px;
  height: 96px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

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

.ranking-title {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.ranking-reason {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.5;
  margin-bottom: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* ---------------------------------------------------------
   首页 / 指南与技巧入口
   --------------------------------------------------------- */
.guide-entry-section {
  padding: 40px 0;
  border-top: 1px solid var(--color-border-light);
}

.guide-entry-section h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.entry-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

/* ---------------------------------------------------------
   首页 / 版权与反馈说明
   --------------------------------------------------------- */
.copyright-note {
  padding: 32px 0;
  border-top: 1px solid var(--color-border-light);
}

.copyright-note h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
}

.copyright-note p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 8px;
}

.copyright-note p:last-child {
  margin-bottom: 0;
}

/* ---------------------------------------------------------
   内页 / 题材分类页
   --------------------------------------------------------- */
.category-list-section {
  margin-bottom: 40px;
}

.category-list-section h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
}

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

.category-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.category-card-media img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.category-card-body {
  padding: 16px;
}

.category-card-body h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.category-card-body p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 8px;
}

.category-card-body .category-example {
  font-size: 13px;
  color: var(--color-text-lighter);
  margin-bottom: 0;
}

.category-card-body .category-example strong {
  color: var(--color-primary-dark);
  font-weight: 500;
}

.category-guide-section {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  padding: 24px;
}

.category-guide-section h2 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.category-guide-section p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 12px;
}

.category-guide-section p:last-child {
  margin-bottom: 0;
}

/* ---------------------------------------------------------
   内页 / 阅读指南页
   --------------------------------------------------------- */
.page-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  align-items: start;
}

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

.guide-intro {
  margin-bottom: 32px;
}

.guide-intro p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 16px;
}

.guide-figure {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
}

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

.guide-figure figcaption {
  padding: 10px 16px;
  font-size: 13px;
  color: var(--color-text-lighter);
  text-align: center;
  background-color: var(--color-surface);
}

.guide-section {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
}

.guide-section .section-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.guide-section p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 12px;
}

.guide-steps {
  margin: 16px 0;
  padding-left: 20px;
}

.guide-steps li {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 8px;
  list-style: decimal;
}

.guide-steps li strong {
  color: var(--color-text);
  font-weight: 600;
}

.guide-section a {
  color: var(--color-primary);
  font-weight: 500;
}

.guide-section a:hover {
  color: var(--color-primary-dark);
}

/* 侧栏相关阅读 */
.guide-links {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  padding: 24px;
  position: sticky;
  top: calc(var(--header-height) + 20px);
}

.guide-links h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border-light);
}

.guide-links li {
  margin-bottom: 10px;
}

.guide-links li a {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.5;
  display: block;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.guide-links li a:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

/* ---------------------------------------------------------
   内页 / 最近更新页
   --------------------------------------------------------- */
.recent-list-wrap {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 40px;
}

.update-group {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  padding: 24px;
}

.group-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.group-desc {
  font-size: 14px;
  color: var(--color-text-lighter);
  margin-bottom: 16px;
}

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

.update-item {
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.update-item:hover {
  box-shadow: var(--shadow-hover);
}

.update-item img {
  width: 100%;
  height: 150px;
  object-fit: cover;
}

.update-info {
  padding: 12px;
}

.item-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: 1.4;
}

.item-meta {
  font-size: 13px;
  color: var(--color-text-lighter);
  margin-bottom: 8px;
}

.update-status {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  padding: 2px 10px;
  border-radius: 999px;
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

/* 状态变体 */
.update-item .status-new {
  background-color: #fff3f3;
  color: var(--color-badge-new);
}

.update-item .status-continue {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.update-item .status-pause {
  background-color: #fef5e7;
  color: var(--color-badge-pause);
}

.update-item .status-complete {
  background-color: var(--color-bg);
  color: var(--color-badge-complete);
}

/* 相关链接 */
.related-links {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 40px;
}

.related-links h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border-light);
}

.related-links ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.related-links li a {
  display: block;
  font-size: 14px;
  color: var(--color-text-light);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.related-links li a:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

/* ---------------------------------------------------------
   内页 / 人气榜单页
   --------------------------------------------------------- */
.ranking-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 40px;
}

.ranking-list > h2 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.ranking-item {
  display: flex;
  align-items: center;
  gap: 20px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  padding: 16px 20px;
  transition: box-shadow var(--transition);
}

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

.rank-number {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  color: #ffffff;
  background-color: var(--color-rank-normal);
  border-radius: 50%;
  flex-shrink: 0;
}

.ranking-item:nth-child(2) .rank-number {
  background-color: var(--color-rank-top);
}

.ranking-item:nth-child(3) .rank-number {
  background-color: var(--color-rank-mid);
}

.ranking-item:nth-child(4) .rank-number {
  background-color: var(--color-primary);
}

.ranking-item:nth-child(5) .rank-number {
  background-color: var(--color-primary);
}

.rank-cover {
  flex-shrink: 0;
}

.rank-cover img {
  width: 90px;
  height: 120px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

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

.rank-info h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.rank-reason {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 0;
}

/* 榜单说明 */
.ranking-notes {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 40px;
}

.ranking-notes h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

.ranking-notes p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 8px;
}

.ranking-notes p:last-child {
  margin-bottom: 0;
}

/* ---------------------------------------------------------
   内页 / 追更技巧页
   --------------------------------------------------------- */
.content-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  align-items: start;
  margin-bottom: 40px;
}

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

.tips-content .lead {
  font-size: 17px;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 28px;
}

.tips-section {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
}

.tips-section .section-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.tips-section p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 12px;
}

.tips-figure {
  background-color: var(--color-bg);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-top: 16px;
}

.tips-figure img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.tips-figure figcaption {
  padding: 10px 16px;
  font-size: 13px;
  color: var(--color-text-lighter);
  text-align: center;
}

/* 侧栏 */
.related-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border-light);
}

.related-links li a {
  display: block;
  font-size: 14px;
  color: var(--color-text-light);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.related-links li a:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

/* ---------------------------------------------------------
   404 页面
   --------------------------------------------------------- */
.error-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
}

.error-section {
  text-align: center;
  padding: 48px 24px;
  max-width: 560px;
  width: 100%;
}

.error-code {
  font-size: 88px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 16px;
}

.error-section h1 {
  font-size: 24px;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 24px;
}

.btn-back-home {
  display: inline-block;
  padding: 10px 28px;
  background-color: var(--color-primary);
  color: #ffffff;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition: background-color var(--transition);
}

.btn-back-home:hover {
  background-color: var(--color-primary-dark);
  color: #ffffff;
}

.error-links {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-top: 24px;
}

.error-links a {
  font-size: 14px;
  color: var(--color-text-light);
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.error-links a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}

/* ---------------------------------------------------------
   响应式 / 平板 ≤1024px
   --------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-layout {
    grid-template-columns: 1fr;
  }

  .hero-figure img {
    height: 300px;
  }

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

  .page-layout {
    grid-template-columns: 1fr 280px;
    gap: 24px;
  }

  .content-layout {
    grid-template-columns: 1fr 280px;
    gap: 24px;
  }

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

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

/* ---------------------------------------------------------
   响应式 / 手机 ≤768px
   --------------------------------------------------------- */
@media (max-width: 768px) {
  :root {
    --container-padding: 16px;
    --header-height: 60px;
  }

  h1 {
    font-size: 26px;
  }

  h2 {
    font-size: 20px;
  }

  .header-inner {
    height: var(--header-height);
    gap: 12px;
  }

  .brand-name {
    font-size: 17px;
  }

  .brand-slogan {
    font-size: 11px;
  }

  /* 汉堡菜单 */
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border-light);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  }

  .nav-list {
    display: none;
    flex-direction: column;
    padding: 8px 16px 16px;
    gap: 2px;
  }

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

  .nav-list li a {
    padding: 12px 16px;
    font-size: 15px;
    border-radius: var(--radius-sm);
  }

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

  /* 首页 */
  .hero-section {
    padding: 24px 0 32px;
  }

  .hero-figure img {
    height: 220px;
  }

  .hero-caption h1 {
    font-size: 22px;
  }

  .hero-recent {
    padding: 16px;
  }

  .category-nav-section,
  .recent-preview-section,
  .ranking-preview-section,
  .guide-entry-section,
  .copyright-note {
    padding: 28px 0;
  }

  .recent-group {
    padding: 16px;
  }

  .recent-group ul {
    grid-template-columns: 1fr;
  }

  .recent-item img {
    height: 160px;
  }

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

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

  .ranking-item img {
    width: 60px;
    height: 80px;
  }

  .rank-num {
    width: 32px;
    height: 32px;
    font-size: 14px;
  }

  /* 内页 */
  .breadcrumb {
    padding: 16px 0 4px;
    font-size: 13px;
    flex-wrap: wrap;
  }

  .page-header {
    padding: 16px 0 20px;
    margin-bottom: 24px;
  }

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

  .page-description {
    font-size: 14px;
  }

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

  .category-card-media img {
    height: 180px;
  }

  .category-guide-section {
    padding: 16px;
  }

  /* 指南页 */
  .page-layout {
    grid-template-columns: 1fr;
  }

  .guide-figure img {
    height: 180px;
  }

  .guide-section {
    padding: 16px;
  }

  .guide-links {
    position: static;
    margin-top: 24px;
  }

  /* 最近更新页 */
  .update-group {
    padding: 16px;
  }

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

  .update-item img {
    height: 170px;
  }

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

  /* 榜单页 */
  .ranking-item {
    padding: 12px;
    gap: 12px;
  }

  .rank-number {
    width: 40px;
    height: 40px;
    font-size: 18px;
  }

  .rank-cover img {
    width: 72px;
    height: 96px;
  }

  .rank-info h3 {
    font-size: 16px;
  }

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

  .ranking-notes {
    padding: 16px;
  }

  /* 追更技巧页 */
  .content-layout {
    grid-template-columns: 1fr;
  }

  .tips-section {
    padding: 16px;
  }

  .tips-figure img {
    height: 180px;
  }

  .related-links {
    margin-top: 24px;
  }

  /* 页脚 */
  .footer-links {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    padding: 32px 16px 20px;
  }

  .footer-bottom {
    padding: 16px;
  }

  .footer-bottom p {
    font-size: 12px;
  }

  /* 404 */
  .error-code {
    font-size: 64px;
  }

  .error-section h1 {
    font-size: 20px;
  }

  .error-links {
    flex-direction: column;
    align-items: center;
  }

  .error-links a {
    width: 100%;
    max-width: 240px;
    text-align: center;
  }
}

/* ---------------------------------------------------------
   响应式 / 小屏 ≤390px
   --------------------------------------------------------- */
@media (max-width: 390px) {
  .brand-slogan {
    display: none;
  }

  .brand-name {
    font-size: 16px;
  }

  .hero-figure img {
    height: 180px;
  }

  .recent-group ul {
    grid-template-columns: 1fr;
  }

  .category-tags li a {
    padding: 8px 14px;
    font-size: 13px;
  }

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

  .ranking-item img {
    width: 100%;
    height: 180px;
  }

  .rank-num {
    order: -1;
  }

  .ranking-info {
    flex-basis: calc(100% - 52px);
  }

  .rank-cover img {
    width: 100%;
    height: 180px;
  }

  .rank-number {
    order: -1;
  }

  .rank-info {
    flex-basis: calc(100% - 60px);
  }

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