/* ============================================================
   base
   ============================================================ */
:root {
  --color-bg: #f5f5f5;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-lighter: #999999;
  --color-primary: #ff6b6b;
  --color-primary-dark: #e85a5a;
  --color-accent: #4ecdc4;
  --color-white: #ffffff;
  --color-border: #e8e8e8;
  --color-bg-soft: #fafafa;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --container-width: 1200px;
  --container-padding: 20px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 8px;
  --transition: 0.2s ease;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
  --header-height: 64px;
}

* {
  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);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

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

ul,
ol {
  list-style: none;
}

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

h1 {
  font-size: 32px;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 18px;
}

p {
  margin-bottom: 12px;
}

/* ============================================================
   layout - header
   ============================================================ */
.site-header {
  background-color: var(--color-white);
  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 var(--container-padding);
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-shrink: 0;
}

.brand-name {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}

.brand:hover .brand-name {
  color: var(--color-primary);
}

.brand-tagline {
  font-size: 13px;
  color: var(--color-text-lighter);
  line-height: 1.2;
}

.site-nav {
  margin-left: auto;
}

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

.nav-list li a {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  line-height: 1.4;
}

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

.nav-list li a.is-current {
  color: var(--color-primary);
  font-weight: 600;
  background-color: rgba(255, 107, 107, 0.08);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 10px;
  align-items: center;
  justify-content: center;
}

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  position: relative;
  transition: transform 0.2s ease;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle-icon::before {
  top: -7px;
}

.nav-toggle-icon::after {
  top: 7px;
}

/* ============================================================
   layout - main
   ============================================================ */
.site-main {
  flex: 1 0 auto;
}

.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding) 60px;
  width: 100%;
}

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

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

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

.breadcrumb-sep {
  color: var(--color-border);
  user-select: none;
}

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

.page-header {
  padding: 8px 0 28px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 32px;
}

.page-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 8px;
}

.page-description {
  font-size: 15px;
  color: var(--color-text-light);
  max-width: 720px;
  line-height: 1.7;
  margin-bottom: 0;
}

/* ============================================================
   layout - footer
   ============================================================ */
.site-footer {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px var(--container-padding) 24px;
}

.footer-brand {
  margin-bottom: 32px;
}

.footer-brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
}

.footer-brand-desc {
  font-size: 14px;
  color: var(--color-text-light);
  max-width: 480px;
  line-height: 1.6;
  margin-bottom: 0;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-border);
}

.footer-col-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 14px;
}

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

.footer-col ul li a {
  font-size: 14px;
  color: var(--color-text-light);
}

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

.footer-copyright {
  padding-top: 24px;
}

.footer-copyright p {
  font-size: 13px;
  color: var(--color-text-lighter);
  margin-bottom: 0;
}

/* ============================================================
   layout - sidebar
   ============================================================ */
.page-layout {
  display: grid;
  gap: 32px;
}

.sidebar-left {
  display: grid;
  gap: 32px;
}

.sidebar-left .page-layout {
  grid-template-columns: 260px minmax(0, 1fr);
  align-items: start;
}

.sidebar-left .category-aside,
.sidebar-left .ranking-aside {
  grid-column: 1;
}

.sidebar-left .category-content,
.sidebar-left .ranking-main {
  grid-column: 2;
}

/* ============================================================
   components - buttons
   ============================================================ */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  line-height: 1.4;
  transition: background-color var(--transition), color var(--transition),
    border-color var(--transition), box-shadow var(--transition);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border: 1px solid var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: var(--color-white);
}

.text-link {
  font-size: 14px;
  color: var(--color-primary);
  font-weight: 500;
}

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

/* ============================================================
   components - section titles
   ============================================================ */
.section-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.3;
}

.section-intro {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 24px;
  max-width: 720px;
}

.section-desc {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 20px;
  max-width: 720px;
}

.section-footer-link {
  margin-top: 28px;
  text-align: center;
}

.section-footer-link a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 15px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  min-height: 44px;
  transition: border-color var(--transition), color var(--transition);
}

.section-footer-link a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ============================================================
   components - hero (home)
   ============================================================ */
.hero-section {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 56px 0 48px;
}

.hero-content {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 48px;
  align-items: center;
}

.hero-title {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text);
  margin-bottom: 12px;
}

.hero-subtitle {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
  line-height: 1.4;
}

.hero-desc {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 560px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-media {
  min-width: 0;
}

.hero-figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background-color: var(--color-bg-soft);
}

.hero-figure img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

/* ============================================================
   components - category nav (home)
   ============================================================ */
.category-nav-section {
  padding: 48px 0 8px;
}

.category-nav-section .section-title,
.category-nav-section .section-intro {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.category-nav-section .section-intro {
  margin-bottom: 24px;
}

.category-tags {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.category-tags li a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 10px 20px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  transition: border-color var(--transition), color var(--transition),
    box-shadow var(--transition);
}

.category-tags li a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.category-more {
  max-width: var(--container-width);
  margin: 20px auto 0;
  padding: 0 var(--container-padding);
  text-align: center;
}

.category-more a {
  font-size: 14px;
  color: var(--color-text-light);
}

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

/* ============================================================
   components - recent updates (home)
   ============================================================ */
.recent-updates-section {
  padding: 40px 0 8px;
}

.recent-updates-section .section-title,
.recent-updates-section .section-intro {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.recent-updates-section .section-intro {
  margin-bottom: 24px;
}

.update-list {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.update-item {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.update-date {
  font-size: 13px;
  color: var(--color-text-lighter);
  padding: 12px 16px 0;
}

.update-link {
  display: block;
  color: var(--color-text);
}

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

.update-link img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background-color: var(--color-bg-soft);
}

.update-info {
  padding: 16px;
}

.update-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.update-status {
  display: inline-block;
  font-size: 13px;
  color: var(--color-accent);
  font-weight: 500;
}

/* ============================================================
   components - ranking preview (home)
   ============================================================ */
.ranking-preview-section {
  padding: 40px 0 8px;
}

.ranking-preview-section .section-title,
.ranking-preview-section .section-intro {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.ranking-preview-section .section-intro {
  margin-bottom: 24px;
}

.ranking-list {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

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

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

.ranking-badge {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.ranking-item:nth-child(2) .ranking-badge {
  background-color: var(--color-accent);
}

.ranking-item:nth-child(3) .ranking-badge {
  background-color: var(--color-text-lighter);
}

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

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

.ranking-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: 1.4;
}

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

/* ============================================================
   components - guide entry (home)
   ============================================================ */
.guide-entry-section {
  padding: 40px 0 8px;
}

.guide-entry-section .section-title {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
  margin-bottom: 24px;
}

.guide-cards {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.guide-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.guide-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.guide-card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 10px;
}

.guide-card-text {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 16px;
  flex-grow: 1;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  min-height: 44px;
  align-self: flex-start;
}

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

/* ============================================================
   components - site feedback (home)
   ============================================================ */
.site-feedback {
  max-width: var(--container-width);
  margin: 48px auto 0;
  padding: 0 var(--container-padding) 40px;
}

.site-feedback .section-title {
  font-size: 18px;
  margin-bottom: 12px;
}

.site-feedback p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 8px;
  max-width: 720px;
}

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

/* ============================================================
   components - category page
   ============================================================ */
.category-aside {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  position: sticky;
  top: calc(var(--header-height) + 20px);
}

.aside-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.category-index-list li {
  margin-bottom: 4px;
}

.category-index-list li a {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  line-height: 1.4;
  transition: background-color var(--transition), color var(--transition);
}

.category-index-list li a:hover {
  background-color: var(--color-bg-soft);
  color: var(--color-primary);
}

.aside-note {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-text-lighter);
  line-height: 1.6;
}

.aside-note a {
  font-size: 13px;
  color: var(--color-primary);
}

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

.category-section .section-title {
  margin-bottom: 6px;
}

.category-section .section-desc {
  margin-bottom: 20px;
}

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

.comic-card {
  background-color: var(--color-bg-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}

.comic-card:hover {
  box-shadow: var(--shadow-md);
}

.comic-cover-wrap {
  background-color: var(--color-white);
}

.comic-cover-wrap img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.comic-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  padding: 16px 16px 4px;
  line-height: 1.4;
}

.comic-tags {
  padding: 0 16px;
  margin-bottom: 8px;
}

.tag {
  display: inline-block;
  font-size: 12px;
  color: var(--color-primary);
  background-color: rgba(255, 107, 107, 0.08);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  margin-right: 4px;
  margin-bottom: 4px;
  line-height: 1.6;
}

.comic-brief {
  padding: 0 16px 16px;
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

.topic-list li {
  padding: 8px 0;
  border-bottom: 1px dashed var(--color-border);
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
}

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

.topic-list li strong {
  color: var(--color-text);
  font-weight: 600;
  margin-right: 8px;
}

.category-section > p a {
  font-size: 14px;
  font-weight: 500;
  margin-right: 16px;
}

/* ============================================================
   components - guide page
   ============================================================ */
.guide-layout {
  max-width: 860px;
}

.guide-intro {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  margin-bottom: 32px;
}

.guide-hero-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 20px;
  background-color: var(--color-bg-soft);
}

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

.guide-hero-figure figcaption {
  padding: 8px 16px;
  font-size: 13px;
  color: var(--color-text-lighter);
  background-color: var(--color-white);
  text-align: center;
}

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

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

.guide-sections {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

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

.guide-block h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.guide-block p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 10px;
}

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

.guide-block p a {
  font-weight: 500;
}

/* ============================================================
   components - update page
   ============================================================ */
.update-intro {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  margin-bottom: 32px;
}

.update-hero-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--color-bg-soft);
}

.update-hero-figure img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.update-intro-text h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 10px;
}

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

.update-intro-text p:last-child {
  margin-bottom: 0;
}

.update-groups {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.update-groups > h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

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

.update-day-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);
}

.update-day-group .update-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
  max-width: none;
  margin: 0;
}

.update-day-group .update-item {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 16px 0;
  border: none;
  border-bottom: 1px solid var(--color-border);
  border-radius: 0;
  background-color: transparent;
  transition: background-color var(--transition);
}

.update-day-group .update-item:last-child {
  border-bottom: none;
}

.update-day-group .update-item:hover {
  background-color: var(--color-bg-soft);
  box-shadow: none;
  transform: none;
}

.update-cover {
  border-radius: var(--radius-sm);
  overflow: hidden;
  background-color: var(--color-bg-soft);
}

.update-cover img {
  width: 100%;
  height: 80px;
  object-fit: cover;
}

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

.update-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
  line-height: 1.4;
}

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

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

.update-status {
  font-size: 13px;
  color: var(--color-accent);
  font-weight: 500;
  white-space: nowrap;
}

.update-note {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  margin-top: 32px;
}

.update-note h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
}

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

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

/* ============================================================
   components - ranking page
   ============================================================ */
.ranking-aside {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.aside-card .aside-title {
  border-bottom-color: var(--color-border);
}

.aside-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 12px;
}

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

.aside-card .text-link {
  display: inline-block;
  margin-top: 4px;
}

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

.ranking-section .section-title {
  margin-bottom: 6px;
}

.ranking-section .section-desc {
  margin-bottom: 20px;
}

.ranking-section .ranking-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
  max-width: none;
  margin: 0;
}

.ranking-section .ranking-item {
  padding: 16px 0;
  border: none;
  border-bottom: 1px solid var(--color-border);
  border-radius: 0;
  background-color: transparent;
  gap: 16px;
}

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

.ranking-section .ranking-item:hover {
  box-shadow: none;
}

.ranking-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  width: 100%;
}

.ranking-media {
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background-color: var(--color-bg-soft);
}

.ranking-media img {
  width: 88px;
  height: 118px;
  object-fit: cover;
}

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

.ranking-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: 1.4;
}

.ranking-tags {
  margin-bottom: 6px;
}

.ranking-tags .tag {
  margin-right: 4px;
}

.ranking-reason {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 0;
}

.ranking-desc {
  font-size: 13px;
  color: var(--color-text-lighter);
  line-height: 1.6;
  margin-bottom: 0;
}

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

.ranking-note .section-title {
  margin-bottom: 12px;
}

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

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

/* ============================================================
   components - tips page
   ============================================================ */
.content-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 32px;
  align-items: start;
}

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

.tips-lead {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  margin-bottom: 24px;
}

.tips-lead p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 0;
}

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

.tips-section h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

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

.tips-item {
  margin-bottom: 20px;
}

.tips-item:last-child {
  margin-bottom: 0;
}

.tips-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
  line-height: 1.4;
}

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

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

.tips-item p a {
  font-weight: 500;
}

.tips-aside {
  position: sticky;
  top: calc(var(--header-height) + 20px);
}

.tips-figure {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 20px;
}

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

.tips-figure figcaption {
  padding: 8px 16px;
  font-size: 13px;
  color: var(--color-text-lighter);
  text-align: center;
  background-color: var(--color-white);
}

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

.tips-summary h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.tips-summary ul li {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.5;
  padding: 6px 0;
  padding-left: 16px;
  position: relative;
}

.tips-summary ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

/* ============================================================
   components - 404 page
   ============================================================ */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px var(--container-padding);
  flex: 1 0 auto;
}

.error-panel {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  text-align: center;
  max-width: 480px;
  width: 100%;
}

.error-code {
  font-size: 64px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.1;
  margin-bottom: 8px;
}

.error-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
}

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

.error-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 28px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  transition: background-color var(--transition);
}

.error-action:hover {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
}

/* ============================================================
   responsive
   ============================================================ */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 32px;
  }

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

  .sidebar-left .page-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 24px;
  }

  .content-wrap {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 24px;
  }
}

@media (max-width: 900px) {
  .update-list {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .ranking-item {
    flex-direction: column;
  }

  .ranking-item img {
    width: 100%;
    height: 160px;
  }

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

  .hero-media {
    order: -1;
  }

  .hero-figure img {
    height: 240px;
  }

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

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

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

  .tips-aside {
    position: static;
  }
}

@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: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    margin-left: 0;
  }

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

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

  .nav-list li a {
    padding: 14px 24px;
    border-radius: 0;
    font-size: 16px;
    border-bottom: 1px solid var(--color-border);
  }

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

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

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

  .sidebar-left .category-aside,
  .sidebar-left .ranking-aside,
  .sidebar-left .category-content,
  .sidebar-left .ranking-main {
    grid-column: 1;
  }

  .category-aside {
    position: static;
    order: 0;
    margin-bottom: 0;
  }

  .category-content {
    order: 1;
  }

  .ranking-aside {
    position: static;
    order: 0;
  }

  .ranking-main {
    order: 1;
  }

  .category-nav-section .section-title,
  .category-nav-section .section-intro,
  .recent-updates-section .section-title,
  .recent-updates-section .section-intro,
  .ranking-preview-section .section-title,
  .ranking-preview-section .section-intro,
  .guide-entry-section .section-title {
    padding-left: 16px;
    padding-right: 16px;
  }

  .category-tags,
  .update-list,
  .ranking-list,
  .guide-cards {
    padding-left: 16px;
    padding-right: 16px;
  }

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

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

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

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

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

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

  .hero-subtitle {
    font-size: 18px;
  }

  .category-nav-section {
    padding-top: 32px;
  }

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

  .comic-cover-wrap img {
    height: 220px;
  }

  .category-section,
  .guide-block,
  .guide-intro,
  .update-intro,
  .update-day-group,
  .update-note,
  .ranking-section,
  .ranking-note,
  .tips-lead,
  .tips-section,
  .aside-card,
  .tips-summary {
    padding: 20px;
  }

  .update-day-group .update-item {
    grid-template-columns: 90px minmax(0, 1fr);
    gap: 12px;
  }

  .update-status {
    grid-column: 2;
  }

  .update-cover img {
    height: 64px;
  }

  .ranking-section .ranking-item,
  .ranking-card {
    flex-direction: column;
    gap: 12px;
  }

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

  .footer-inner {
    padding-top: 32px;
  }

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

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

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

  .error-main {
    padding: 48px 16px;
  }

  .error-panel {
    padding: 40px 24px;
  }
}

@media (max-width: 480px) {
  .hero-content {
    padding-left: 16px;
    padding-right: 16px;
  }

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

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

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

  .btn-primary,
  .btn-secondary {
    width: 100%;
  }

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

  .category-tags li a {
    justify-content: flex-start;
  }

  .update-day-group .update-item {
    grid-template-columns: 80px minmax(0, 1fr);
    gap: 10px;
  }

  .update-desc {
    display: none;
  }

  .ranking-item img {
    height: 140px;
  }

  .guide-card {
    padding: 20px;
  }

  .breadcrumb {
    font-size: 13px;
    gap: 6px;
    padding-top: 16px;
  }

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

  .brand-name {
    font-size: 18px;
  }

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