/* ============================================================
   歪歪漫画 · 整站样式表
   视觉方向：内容清晰度优先，蓝绿强调，漫画导读手册感
   ============================================================ */

/* ============================================================
   1. Base —— 重置、变量、全局基础
   ============================================================ */
:root {
  --color-text: #2b2f36;
  --color-bg: #f5f7fa;
  --color-card: #ffffff;
  --color-accent: #1f6f6a;
  --color-accent-dark: #175a55;
  --color-accent-light: #e6f0ef;
  --color-border: #e4e9ef;
  --color-footer: #111827;
  --color-footer-text: #9ca3af;
  --color-footer-heading: #f9fafb;
  --color-muted: #6b7280;
  --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", Consolas, "Courier New", monospace;
  --container-width: 1200px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
  --transition: 0.2s ease;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

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

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

table {
  border-collapse: collapse;
  width: 100%;
}

/* ============================================================
   2. Layout —— 全站骨架容器
   ============================================================ */

.site-header {
  background: var(--color-card);
  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 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

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

.brand-name {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.brand-slogan {
  font-size: 13px;
  color: var(--color-muted);
  white-space: nowrap;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 8px;
  border-radius: var(--radius-sm);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

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

.nav-list li a {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  position: relative;
  transition: color var(--transition), background var(--transition);
}

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

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

.nav-list li a.is-current::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

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

.site-main.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px 64px;
  width: 100%;
}

.site-main.home-main {
  width: 100%;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
}

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

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb-sep {
  color: var(--color-border);
  font-size: 12px;
}

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

/* 页面标题区 */
.page-header {
  margin-bottom: 36px;
}

.page-title {
  font-size: 30px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
  margin-bottom: 12px;
}

.page-description {
  font-size: 16px;
  color: var(--color-muted);
  max-width: 720px;
  line-height: 1.7;
}

/* ============================================================
   3. Components —— 通用组件
   ============================================================ */

/* 按钮 */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: background var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
}

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

.btn-primary:hover {
  background: var(--color-accent-dark);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background: var(--color-accent-light);
  color: var(--color-accent-dark);
  transform: translateY(-1px);
}

/* 区块标题（首页） */
.section-heading {
  margin-bottom: 16px;
}

.section-kicker {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}

.section-heading h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
}

.section-intro {
  font-size: 15px;
  color: var(--color-muted);
  max-width: 640px;
  margin-bottom: 24px;
  line-height: 1.7;
}

/* 内页区块标题 */
.section-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
  line-height: 1.4;
}

.section-desc {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 24px;
  line-height: 1.7;
  max-width: 720px;
}

/* 卡片通用 hover */
.pick-card,
.update-card,
.genre-card,
.preview-card,
.series-card,
.statement-card,
.material-card,
.entry-card {
  transition: transform var(--transition), box-shadow var(--transition);
}

.pick-card:hover,
.update-card:hover,
.genre-card:hover,
.preview-card:hover,
.series-card:hover,
.statement-card:hover,
.material-card:hover,
.entry-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* FAQ */
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-card);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-item summary {
  padding: 18px 20px;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: relative;
  transition: background var(--transition);
}

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

.faq-item summary::after {
  content: "+";
  font-size: 20px;
  font-weight: 400;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq-item[open] summary {
  background: var(--color-accent-light);
}

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

.faq-item p {
  padding: 0 20px 18px;
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.7;
}

/* ============================================================
   4. Pages —— 首页
   ============================================================ */

/* Hero */
.hero-section {
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
}

.hero-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 64px 24px;
}

.hero-content {
  max-width: 560px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero-content h1 {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.25;
  margin-bottom: 16px;
}

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

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

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

.hero-figure {
  width: 100%;
  max-width: 480px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 3;
  background: var(--color-accent-light);
}

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

/* 编辑推荐 */
.editor-picks-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 64px 24px 0;
}

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

.pick-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.pick-cover {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-accent-light);
}

.pick-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.pick-card:hover .pick-cover img {
  transform: scale(1.03);
}

.pick-info {
  padding: 20px 24px 24px;
}

.pick-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
}

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

.pick-info p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

/* 最近更新 */
.recent-updates-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 64px 24px 0;
}

.recent-updates-section .section-intro a {
  font-weight: 600;
}

.updates-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.update-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.update-cover {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--color-accent-light);
}

.update-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.update-card:hover .update-cover img {
  transform: scale(1.03);
}

.update-info {
  padding: 16px 18px 20px;
}

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

.update-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}

.update-status {
  font-size: 13px;
  color: var(--color-muted);
}

/* 题材地图 */
.genre-map-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 64px 24px 0;
}

.genre-map-section .section-intro a {
  font-weight: 600;
}

.genre-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.genre-tags li a {
  display: inline-block;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  transition: all var(--transition);
}

.genre-tags li a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: var(--color-accent-light);
}

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

.genre-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.genre-cover {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-accent-light);
}

.genre-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.genre-card:hover .genre-cover img {
  transform: scale(1.03);
}

.genre-info {
  padding: 16px 18px 20px;
}

.genre-info h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.genre-info p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

/* 指南与反馈双入口 */
.guide-feedback-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 64px 24px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.entry-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.entry-card h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
}

.entry-card p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

/* 首页相关链接 */
.related-links {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px 64px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.related-links-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}

.related-links-item {
  font-size: 14px;
  color: var(--color-accent);
  padding: 6px 12px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  transition: all var(--transition);
}

.related-links-item:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
}

/* ============================================================
   5. Pages —— 作品库 works.html
   ============================================================ */

/* 封面预览 */
.cover-preview {
  margin-bottom: 48px;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.preview-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-align: center;
}

.preview-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  background: var(--color-accent-light);
}

.preview-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  padding: 12px 12px 4px;
}

.preview-tag {
  font-size: 13px;
  color: var(--color-accent);
  padding: 0 12px 14px;
}

/* 选书结论 */
.conclusion {
  background: var(--color-accent-light);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin-bottom: 48px;
}

.conclusion .section-title {
  margin-bottom: 10px;
}

.conclusion p {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.7;
  max-width: 720px;
}

.conclusion p a {
  font-weight: 600;
  text-decoration: underline;
}

/* 筛选按钮 */
.filter-section {
  margin-bottom: 48px;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-btn {
  min-height: 44px;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  transition: all var(--transition);
}

.filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.filter-btn.is-active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
  font-weight: 600;
}

/* 作品目录表 */
.works-table-section {
  margin-bottom: 48px;
}

.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-card);
}

.works-table {
  min-width: 640px;
}

.works-table thead th {
  background: var(--color-bg);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  padding: 14px 18px;
  border-bottom: 2px solid var(--color-border);
  white-space: nowrap;
}

.works-table tbody td {
  font-size: 14px;
  color: var(--color-text);
  padding: 14px 18px;
  border-bottom: 1px solid var(--color-border);
  line-height: 1.6;
}

.works-table tbody tr:last-child td {
  border-bottom: none;
}

.works-table tbody tr:nth-child(even) {
  background: #fafbfc;
}

.works-table tbody tr:hover {
  background: var(--color-accent-light);
}

.table-note {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: 14px;
  line-height: 1.6;
}

.table-note a {
  font-weight: 600;
}

/* 相关指南 */
.related-guide {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
}

.related-guide .section-title {
  margin-bottom: 8px;
}

.related-guide p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.7;
}

.related-guide p a {
  font-weight: 600;
  text-decoration: underline;
}

/* ============================================================
   6. Pages —— 题材索引 genre.html
   ============================================================ */

/* 选材建议 */
.genre-conclusion {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin-bottom: 48px;
}

.conclusion-content p {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 10px;
  max-width: 720px;
}

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

/* 题材对比表 */
.genre-table-section {
  margin-bottom: 48px;
}

.genre-table {
  min-width: 640px;
}

.genre-table thead th {
  background: var(--color-bg);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  padding: 14px 18px;
  border-bottom: 2px solid var(--color-border);
  white-space: nowrap;
}

.genre-table tbody td {
  font-size: 14px;
  color: var(--color-text);
  padding: 14px 18px;
  border-bottom: 1px solid var(--color-border);
  line-height: 1.6;
}

.genre-table tbody tr:last-child td {
  border-bottom: none;
}

.genre-table tbody tr:nth-child(even) {
  background: #fafbfc;
}

.genre-table tbody tr:hover {
  background: var(--color-accent-light);
}

/* 代表系列卡 */
.series-cards-section {
  margin-bottom: 48px;
}

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

.series-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.series-card-figure {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-accent-light);
}

.series-card-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.series-card:hover .series-card-figure img {
  transform: scale(1.03);
}

.series-card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  padding: 16px 18px 4px;
}

.series-card-desc {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
  padding: 0 18px 18px;
}

/* 下一步 */
.next-steps {
  background: var(--color-accent-light);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
}

.next-steps .section-title {
  margin-bottom: 10px;
}

.next-steps-content p {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.7;
  max-width: 720px;
}

.next-steps-content p a {
  font-weight: 600;
  text-decoration: underline;
  margin-right: 16px;
}

/* ============================================================
   7. Pages —— 阅读指南 guide.html
   ============================================================ */

/* 导语 */
.guide-intro {
  margin-bottom: 48px;
}

.guide-intro .section-title {
  margin-bottom: 10px;
}

.guide-intro p {
  font-size: 16px;
  color: var(--color-muted);
  line-height: 1.8;
  max-width: 720px;
}

/* 步骤 */
.guide-steps {
  margin-bottom: 48px;
}

.guide-steps > .section-title {
  margin-bottom: 24px;
}

.step-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin-bottom: 20px;
}

.step-item:nth-child(even) {
  direction: rtl;
}

.step-item:nth-child(even) > * {
  direction: ltr;
}

.step-copy h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 10px;
}

.step-copy p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.7;
}

.step-copy p a {
  font-weight: 600;
  text-decoration: underline;
}

.step-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--color-accent-light);
}

.step-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* FAQ */
.guide-faq {
  margin-bottom: 48px;
}

.guide-faq > .section-title {
  margin-bottom: 20px;
}

/* 相关 */
.guide-related {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
}

.guide-related .section-title {
  margin-bottom: 8px;
}

.guide-related p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.7;
}

.guide-related p a {
  font-weight: 600;
  text-decoration: underline;
  margin-right: 16px;
}

/* ============================================================
   8. Pages —— 版权与反馈 copyright.html
   ============================================================ */

/* 版权说明 */
.copyright-statement {
  margin-bottom: 48px;
}

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

.statement-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.statement-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

.statement-card p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
}

/* 反馈流程 */
.feedback-process {
  margin-bottom: 48px;
}

.feedback-process .process-intro {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 24px;
  max-width: 720px;
}

.process-list {
  display: grid;
  gap: 16px;
}

.process-item {
  display: flex;
  gap: 20px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  align-items: flex-start;
}

.process-step {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  background: var(--color-accent);
  border-radius: 50%;
}

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

.process-item p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
}

/* 示意图 */
.image-note {
  margin-bottom: 48px;
}

.process-figure {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.process-figure img {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  background: var(--color-accent-light);
}

.process-figure figcaption {
  padding: 14px 20px;
  font-size: 14px;
  color: var(--color-muted);
  text-align: center;
  border-top: 1px solid var(--color-border);
}

/* 相关卡片 */
.related-links .section-title {
  margin-bottom: 20px;
}

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

.related-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  transition: all var(--transition);
}

.related-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.related-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}

.related-card:hover .related-name {
  color: var(--color-accent);
}

.related-desc {
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.5;
}

/* ============================================================
   9. Pages —— 合作建议 cooperate.html
   ============================================================ */

.overview-section,
.case-section,
.materials-section,
.process-section {
  margin-bottom: 48px;
}

/* 概览 */
.overview-section .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.overview-content .section-desc {
  margin-bottom: 12px;
}

.overview-content .section-desc:last-child {
  margin-bottom: 0;
}

.media-figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--color-accent-light);
  box-shadow: var(--shadow-md);
}

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

.media-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--color-muted);
  text-align: center;
  background: var(--color-card);
  border-top: 1px solid var(--color-border);
}

/* 案例 */
.case-section .section-desc {
  margin-bottom: 24px;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.case-item {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  border-top: 3px solid var(--color-accent);
}

.case-stage {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 10px;
  font-family: var(--font-mono);
}

.case-item p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
}

/* 资料清单 */
.materials-section .section-desc {
  margin-bottom: 24px;
}

.materials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 20px;
}

.material-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.material-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

.material-card p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
}

.materials-tip {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
}

.materials-tip a {
  font-weight: 600;
  text-decoration: underline;
  margin-right: 16px;
}

/* 对接流程 */
.process-section .section-desc {
  margin-bottom: 24px;
}

.process-num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  background: var(--color-accent);
  border-radius: 50%;
}

.process-text h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.process-text p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
}

.process-note {
  font-size: 14px;
  color: var(--color-muted);
  margin-top: 20px;
  line-height: 1.7;
}

.process-note a {
  font-weight: 600;
  text-decoration: underline;
  margin-right: 16px;
}

/* ============================================================
   10. Pages —— 404
   ============================================================ */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  flex: 1 0 auto;
}

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

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

.error-wrap h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}

.error-desc {
  font-size: 16px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 28px;
}

.error-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 28px;
  font-size: 15px;
  font-weight: 600;
  color: #ffffff;
  background: var(--color-accent);
  border-radius: var(--radius-md);
  transition: background var(--transition), transform var(--transition);
  margin-bottom: 32px;
}

.error-btn:hover {
  background: var(--color-accent-dark);
  transform: translateY(-1px);
}

.error-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.error-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
  padding: 6px 12px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-card);
  transition: all var(--transition);
}

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

/* ============================================================
   11. Footer —— 页脚
   ============================================================ */

.site-footer {
  background: var(--color-footer);
  color: var(--color-footer-text);
  margin-top: auto;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 40px;
}

.footer-brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-footer-heading);
  margin-bottom: 10px;
}

.footer-brand-desc {
  font-size: 14px;
  line-height: 1.7;
  max-width: 320px;
}

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

.footer-nav ul {
  display: grid;
  gap: 8px;
}

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

.footer-nav ul li a:hover {
  color: var(--color-footer-heading);
}

.footer-legal p:not(.footer-nav-title) {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 12px;
}

.footer-legal a {
  font-size: 14px;
  color: var(--color-accent);
  font-weight: 500;
}

.footer-legal a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 16px 24px;
  font-size: 13px;
  color: rgba(156, 163, 175, 0.7);
  text-align: center;
}

/* ============================================================
   12. Responsive —— 响应式
   ============================================================ */

/* 平板 */
@media (max-width: 1024px) {
  .updates-list {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

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

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

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

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

  .brand-slogan {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-list {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--color-card);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px;
    display: none;
    box-shadow: var(--shadow-md);
    z-index: 99;
  }

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

  .nav-list li a {
    padding: 14px 12px;
    font-size: 16px;
    border-radius: var(--radius-sm);
  }

  .nav-list li a.is-current::after {
    display: none;
  }

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

  .site-main.inner-main {
    padding: 24px 16px 48px;
  }

  .breadcrumb {
    margin-bottom: 16px;
    padding-bottom: 12px;
  }

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

  /* 首页 hero */
  .hero-section {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 16px;
  }

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

  .hero-visual {
    order: -1;
  }

  .hero-figure {
    max-width: 100%;
  }

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

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

  /* 首页各区块 */
  .editor-picks-section,
  .recent-updates-section,
  .genre-map-section {
    padding: 40px 16px 0;
  }

  .guide-feedback-section {
    padding: 40px 16px;
    grid-template-columns: 1fr;
  }

  .related-links {
    padding: 0 16px 40px;
  }

  .picks-grid,
  .updates-list,
  .genre-grid,
  .series-cards-grid,
  .preview-grid,
  .case-grid,
  .materials-grid,
  .related-grid,
  .statement-grid {
    grid-template-columns: 1fr;
  }

  .section-heading h2 {
    font-size: 22px;
  }

  /* 步骤项 */
  .step-item {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 20px;
  }

  .step-item:nth-child(even) {
    direction: ltr;
  }

  .step-item:nth-child(even) > * {
    direction: ltr;
  }

  .step-media {
    order: -1;
  }

  /* 概览 */
  .overview-section .container {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .overview-media {
    order: -1;
  }

  /* 结论区 */
  .conclusion,
  .genre-conclusion,
  .next-steps,
  .related-guide,
  .guide-related {
    padding: 20px;
  }

  .entry-card {
    padding: 24px;
  }

  /* 表格 */
  .table-wrapper {
    border-radius: var(--radius-sm);
  }

  .works-table thead th,
  .works-table tbody td,
  .genre-table thead th,
  .genre-table tbody td {
    padding: 12px 14px;
  }

  /* 页脚 */
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 16px 24px;
  }

  .footer-brand-desc {
    max-width: 100%;
  }

  .footer-bottom p {
    padding: 14px 16px;
  }

  /* 404 */
  .error-main {
    padding: 60px 16px;
  }

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

/* 小手机 */
@media (max-width: 390px) {
  .hero-content h1 {
    font-size: 24px;
  }

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

  .process-item {
    flex-direction: column;
    gap: 12px;
  }

  .process-step,
  .process-num {
    width: 32px;
    height: 32px;
    font-size: 14px;
  }

  .filter-btn {
    padding: 8px 14px;
    font-size: 13px;
  }
}