/* ==========================================================================
   base
   ========================================================================== */

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

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

body {
  margin: 0;
  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: #333333;
  background-color: #F5F5F5;
}

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

a {
  color: #333333;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #FF6B6B;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 0.5em;
  color: #333333;
}

p {
  margin: 0 0 1em;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

figure {
  margin: 0;
}

/* ==========================================================================
   layout
   ========================================================================== */

.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid #e8e8e8;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

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

.brand-name {
  font-size: 18px;
  font-weight: 700;
  color: #FF6B6B;
}

.brand-tag {
  font-size: 12px;
  color: #888888;
}

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

.nav-list {
  display: flex;
  gap: 8px;
}

.nav-list li a {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  color: #333333;
  border-radius: 6px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-list li a:hover {
  background-color: #fff0f0;
  color: #FF6B6B;
}

.nav-list li a.is-current {
  background-color: #FF6B6B;
  color: #ffffff;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: #333333;
  border-radius: 2px;
}

.site-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px 60px;
}

.inner-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px 60px;
}

.layout-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.sidebar-left {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  align-items: start;
  padding: 40px 20px 60px;
  max-width: 1200px;
  margin: 0 auto;
}

.sidebar-left .inner-main {
  padding: 0;
  grid-column: 2;
}

.sidebar-left .sidebar {
  grid-column: 1;
  grid-row: 1;
}

.site-footer {
  background-color: #2b2b2b;
  color: #cccccc;
  padding: 40px 20px 0;
}

.footer-columns {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding-bottom: 32px;
}

.footer-col h3 {
  color: #ffffff;
  font-size: 15px;
  margin-bottom: 12px;
}

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

.footer-col ul li a {
  color: #aaaaaa;
  font-size: 14px;
}

.footer-col ul li a:hover {
  color: #FF6B6B;
}

.footer-bottom {
  border-top: 1px solid #444444;
  padding: 16px 0;
  text-align: center;
}

.footer-bottom p {
  margin: 0;
  font-size: 13px;
  color: #888888;
}

/* ==========================================================================
   components
   ========================================================================== */

/* breadcrumb */

.breadcrumb {
  font-size: 14px;
  color: #888888;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.breadcrumb a {
  color: #666666;
}

.breadcrumb a:hover {
  color: #FF6B6B;
}

.breadcrumb-sep {
  color: #bbbbbb;
  margin: 0 2px;
}

.breadcrumb-current {
  color: #333333;
  font-weight: 500;
}

/* page header */

.page-header {
  margin-bottom: 32px;
}

.page-title {
  font-size: 28px;
  font-weight: 700;
  color: #333333;
  margin-bottom: 8px;
}

.page-description {
  font-size: 16px;
  color: #666666;
  max-width: 720px;
}

/* buttons */

.btn {
  display: inline-block;
  padding: 10px 24px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  text-align: center;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.btn-primary {
  background-color: #FF6B6B;
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #e85a5a;
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: #ffffff;
  color: #333333;
  border: 1px solid #dddddd;
}

.btn-secondary:hover {
  background-color: #f0f0f0;
  color: #333333;
}

/* ==========================================================================
   pages — index
   ========================================================================== */

.hero-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 48px 0 56px;
}

.hero-copy h1 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
}

.hero-lead {
  font-size: 16px;
  color: #666666;
  margin-bottom: 24px;
  max-width: 480px;
}

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

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

.hero-figure {
  max-width: 480px;
}

.hero-figure img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.genre-nav-section,
.recent-updates-section,
.ranking-section,
.guide-entry-section,
.longtail-preview-section {
  padding: 40px 0;
}

.genre-nav-section {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 32px;
}

.genre-nav-section h2,
.recent-updates-section h2,
.ranking-section h2,
.guide-entry-section h2,
.longtail-preview-section h2 {
  font-size: 22px;
  margin-bottom: 8px;
}

.section-intro {
  color: #666666;
  font-size: 15px;
  margin-bottom: 24px;
}

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

.tag {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  background-color: #f5f5f5;
  color: #333333;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.tag:hover {
  color: #ffffff;
}

.tag-hot {
  background-color: #ffecec;
  color: #d64545;
}

.tag-hot:hover {
  background-color: #FF6B6B;
  color: #ffffff;
}

.tag-romance {
  background-color: #fde8f0;
  color: #c04a7a;
}

.tag-romance:hover {
  background-color: #e86a9a;
  color: #ffffff;
}

.tag-sci {
  background-color: #e0f4f4;
  color: #2a8f8f;
}

.tag-sci:hover {
  background-color: #4ECDC4;
  color: #ffffff;
}

.tag-suspense {
  background-color: #eceaf7;
  color: #5a52a0;
}

.tag-suspense:hover {
  background-color: #6a62c0;
  color: #ffffff;
}

.tag-fantasy {
  background-color: #fff6d6;
  color: #a07a2a;
}

.tag-fantasy:hover {
  background-color: #FFE66D;
  color: #333333;
}

.tag-slice {
  background-color: #e8f4e8;
  color: #3a7a3a;
}

.tag-slice:hover {
  background-color: #5a9a5a;
  color: #ffffff;
}

.recent-updates-section {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 32px;
}

.update-group {
  margin-bottom: 24px;
}

.update-group h3 {
  font-size: 16px;
  color: #666666;
  border-left: 3px solid #FF6B6B;
  padding-left: 12px;
  margin-bottom: 16px;
}

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

.update-item {
  display: flex;
  align-items: center;
}

.update-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px;
  border-radius: 6px;
  width: 100%;
  transition: background-color 0.2s ease;
}

.update-link:hover {
  background-color: #f9f9f9;
}

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

.update-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.update-title {
  font-size: 14px;
  font-weight: 600;
  color: #333333;
}

.update-status {
  font-size: 12px;
  color: #FF6B6B;
}

.ranking-section {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 32px;
}

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

.ranking-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 12px;
  border-radius: 6px;
  background-color: #fafafa;
}

.rank-num {
  font-size: 20px;
  font-weight: 700;
  color: #FF6B6B;
  min-width: 32px;
}

.rank-content h3 {
  font-size: 16px;
  margin-bottom: 4px;
}

.rank-content p {
  font-size: 14px;
  color: #666666;
  margin: 0;
}

.guide-entry-section {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 32px;
}

.guide-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.guide-card {
  display: block;
  padding: 24px;
  border-radius: 8px;
  background-color: #fafafa;
  border: 1px solid #eeeeee;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.guide-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}

.guide-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.guide-card p {
  font-size: 14px;
  color: #666666;
  margin: 0;
}

.longtail-preview-section {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 32px;
}

.topic-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.topic-card {
  display: block;
  border-radius: 8px;
  overflow: hidden;
  background-color: #fafafa;
  border: 1px solid #eeeeee;
  transition: box-shadow 0.2s ease;
}

.topic-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

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

.topic-card h3 {
  font-size: 18px;
  padding: 16px 16px 4px;
}

.topic-card p {
  font-size: 14px;
  color: #666666;
  padding: 0 16px 16px;
  margin: 0;
}

/* ==========================================================================
   pages — genre
   ========================================================================== */

.sidebar {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 24px;
}

.side-card {
  margin-bottom: 24px;
}

.side-card h2 {
  font-size: 16px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid #FF6B6B;
}

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

.side-links li a {
  font-size: 14px;
  color: #555555;
  display: block;
  padding: 4px 0;
}

.side-links li a:hover {
  color: #FF6B6B;
}

.genre-list {
  margin-bottom: 40px;
}

.genre-list h2 {
  font-size: 22px;
  margin-bottom: 20px;
}

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

.genre-card {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 16px;
  border: 1px solid #eeeeee;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.genre-cover img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: 6px;
}

.genre-card h3 {
  font-size: 16px;
  margin: 8px 0 4px;
}

.genre-card p {
  font-size: 14px;
  color: #666666;
  margin: 0;
  flex-grow: 1;
}

.genre-card a {
  font-size: 14px;
  color: #FF6B6B;
  font-weight: 600;
}

.featured-works {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 24px;
}

.featured-works h2 {
  font-size: 22px;
  margin-bottom: 20px;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 16px;
}

.work-item {
  border-radius: 6px;
  overflow: hidden;
}

.work-item img {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 8px;
}

.work-item h3 {
  font-size: 15px;
  margin-bottom: 4px;
}

.work-item p {
  font-size: 13px;
  color: #666666;
  margin: 0;
}

.more-link {
  text-align: right;
}

.more-link a {
  font-size: 14px;
  color: #FF6B6B;
  font-weight: 600;
}

/* ==========================================================================
   pages — guide
   ========================================================================== */

.guide-content {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.guide-section {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 32px;
}

.guide-section h2 {
  font-size: 22px;
  margin-bottom: 16px;
}

.content-media {
  margin-bottom: 16px;
}

.content-media-inline img {
  width: 100%;
  max-height: 260px;
  object-fit: cover;
  border-radius: 8px;
}

.content-media figcaption {
  font-size: 13px;
  color: #888888;
  padding: 8px 4px 0;
}

.section-desc {
  font-size: 15px;
  color: #555555;
  margin-bottom: 24px;
}

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

.step-card {
  background-color: #fafafa;
  border-radius: 8px;
  padding: 20px;
  border: 1px solid #eeeeee;
}

.step-card h3 {
  font-size: 16px;
  margin-bottom: 8px;
  color: #FF6B6B;
}

.step-card p {
  font-size: 14px;
  color: #555555;
  margin: 0;
}

.step-card p a {
  color: #FF6B6B;
  font-weight: 600;
}

.related-links {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 24px;
}

.related-links h2 {
  font-size: 18px;
  margin-bottom: 16px;
}

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

.related-links ul li a {
  font-size: 14px;
  color: #555555;
}

.related-links ul li a:hover {
  color: #FF6B6B;
}

/* ==========================================================================
   pages — hot-blooded
   ========================================================================== */

.recommendation-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 40px;
}

.recommendation-list h2 {
  font-size: 22px;
}

.recommend-card {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 20px;
  background-color: #ffffff;
  border-radius: 8px;
  padding: 20px;
  border: 1px solid #eeeeee;
}

.recommend-cover img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 6px;
}

.recommend-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.recommend-info h3 {
  font-size: 20px;
  margin: 0;
}

.recommend-tags {
  font-size: 13px;
  color: #FF6B6B;
  font-weight: 600;
}

.recommend-info p {
  font-size: 14px;
  color: #555555;
  margin: 0;
}

.recommend-audience {
  font-size: 13px;
  color: #888888;
  margin-top: auto;
}

.recommend-notes {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 24px;
}

.recommend-notes h2 {
  font-size: 20px;
  margin-bottom: 12px;
}

.recommend-notes p {
  font-size: 14px;
  color: #555555;
}

/* ==========================================================================
   pages — romance
   ========================================================================== */

.layout-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.layout-shell .breadcrumb {
  margin-bottom: 0;
}

.recommend-card .card-media img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 6px;
}

.card-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card-content h3 {
  font-size: 20px;
  margin: 0;
}

.card-tag {
  font-size: 13px;
  color: #4ECDC4;
  font-weight: 600;
}

.card-content p {
  font-size: 14px;
  color: #555555;
  margin: 0;
}

.card-fit {
  font-size: 13px;
  color: #888888;
  margin-top: auto;
}

.recommendation-reasons {
  background-color: #ffffff;
  border-radius: 8px;
  padding: 24px;
  margin-top: 32px;
}

.recommendation-reasons h2 {
  font-size: 20px;
  margin-bottom: 12px;
}

.recommendation-reasons > p {
  font-size: 14px;
  color: #555555;
}

.reason-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 20px 0;
}

.reason-item {
  background-color: #fafafa;
  border-radius: 6px;
  padding: 16px;
}

.reason-item h3 {
  font-size: 15px;
  margin-bottom: 8px;
}

.reason-item p {
  font-size: 14px;
  color: #555555;
  margin: 0;
}

.recommendation-reasons p a {
  color: #FF6B6B;
  font-weight: 600;
}

/* ==========================================================================
   pages — 404
   ========================================================================== */

.error-main {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.error-section {
  text-align: center;
  padding: 60px 20px;
  max-width: 560px;
}

.error-section h1 {
  font-size: 48px;
  color: #FF6B6B;
  margin-bottom: 16px;
}

.error-section p {
  font-size: 16px;
  color: #666666;
  margin-bottom: 24px;
}

.error-help {
  margin-top: 32px;
  text-align: left;
  background-color: #ffffff;
  border-radius: 8px;
  padding: 24px;
}

.error-help p {
  font-size: 15px;
  color: #333333;
  margin-bottom: 12px;
}

.error-help ul li {
  margin-bottom: 8px;
}

.error-help ul li a {
  font-size: 14px;
  color: #FF6B6B;
}

/* ==========================================================================
   responsive
   ========================================================================== */

@media (max-width: 992px) {
  .genre-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .sidebar-left {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .sidebar-left .sidebar {
    grid-column: 1;
    grid-row: 2;
  }

  .sidebar-left .inner-main {
    grid-column: 1;
    grid-row: 1;
  }

  .sidebar-left .breadcrumb {
    margin-bottom: 16px;
  }
}

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

  .nav-toggle {
    display: flex;
  }

  .nav-list {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background-color: #ffffff;
    flex-direction: column;
    padding: 16px 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    gap: 4px;
  }

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

  .site-nav {
    position: relative;
  }

  .hero-section {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 0;
  }

  .hero-copy h1 {
    font-size: 26px;
  }

  .hero-visual {
    order: -1;
  }

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

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

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

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

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

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

  .recommend-cover img {
    height: 180px;
  }

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

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

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

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

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

  .site-main,
  .inner-main {
    padding: 24px 16px 40px;
  }

  .sidebar-left {
    padding: 24px 16px 40px;
  }

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

  .genre-nav-section,
  .recent-updates-section,
  .ranking-section,
  .guide-entry-section,
  .longtail-preview-section,
  .guide-section,
  .recommend-notes,
  .recommendation-reasons {
    padding: 20px;
  }

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

  .breadcrumb {
    font-size: 13px;
  }

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

  .btn {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 390px) {
  .brand-name {
    font-size: 16px;
  }

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

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

  .genre-tags {
    gap: 8px;
  }

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

  .ranking-item {
    gap: 12px;
  }

  .rank-num {
    font-size: 18px;
    min-width: 24px;
  }

  .update-link img {
    width: 48px;
    height: 48px;
  }
}