/* ==========================================================================
   51漫画在线登录 · 全站样式
   分组：base / layout / components / pages / responsive
   ========================================================================== */

/* --------------------------------------------------------------------------
   base
   -------------------------------------------------------------------------- */

:root {
  --c-bg: #ffffff;
  --c-ink: #1f2a2e;
  --c-ink-soft: #5c6b70;
  --c-line: #e4e8e6;
  --c-line-strong: #ccd4d1;
  --c-accent: #2f5d50;
  --c-accent-soft: #eef3f1;
  --c-tai: #4f7d52;
  --c-lake: #3e7c8f;
  --c-clay: #c4703c;
  --c-wheat: #d9a62e;
  --c-violet: #7a5ea8;
  --c-sakura: #c97a8e;
  --radius: 6px;
  --radius-sm: 4px;
  --shell: 1180px;
  --shadow: 0 1px 2px rgba(31, 42, 46, 0.05);
}

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

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

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4,
p,
figure,
ul,
ol,
dl,
dd {
  margin: 0;
}

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

img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 0;
}

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

a:hover,
a:focus-visible {
  text-decoration: underline;
}

button {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}


/* --------------------------------------------------------------------------
   layout · 全站骨架
   -------------------------------------------------------------------------- */

.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.site-header {
  position: relative;
  z-index: 20;
  background: #ffffff;
  border-bottom: 1px solid var(--c-line);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 68px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.brand {
  display: flex;
  flex-direction: column;
  flex: 0 0 auto;
  color: var(--c-ink);
  text-decoration: none;
  line-height: 1.25;
}

.brand:hover {
  text-decoration: none;
}

.brand-name {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0;
}

.brand-sub {
  font-size: 12px;
  color: var(--c-ink-soft);
  letter-spacing: 0.04em;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 8px 32px;
  margin-left: auto;
}

.nav-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-group-title {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-ink-soft);
  line-height: 1.4;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 18px;
}

.nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 2px;
  font-size: 14px;
  color: var(--c-ink);
  border-bottom: 2px solid transparent;
}

.nav-list a:hover {
  color: var(--c-accent);
  text-decoration: none;
}

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

.nav-toggle {
  display: none;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 0;
  background: #ffffff;
  border: 1px solid var(--c-line-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: var(--c-ink);
}

.site-main {
  display: block;
  min-width: 0;
}

.inner-main {
  display: block;
  padding-top: 18px;
  padding-bottom: 8px;
}

.site-footer {
  margin-top: 56px;
  background: #1f2a2e;
  color: #d9e0dd;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1.4fr;
  gap: 32px;
  padding-top: 40px;
  padding-bottom: 28px;
}

.footer-col {
  min-width: 0;
}

.footer-title {
  margin-bottom: 10px;
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: 0.04em;
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-list a {
  color: #b9c6c1;
}

.footer-list a:hover {
  color: #ffffff;
}

.footer-about p {
  margin-bottom: 8px;
  color: #a9b7b2;
  font-size: 13px;
  line-height: 1.7;
}

.footer-bottom {
  padding-top: 16px;
  padding-bottom: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-bottom p {
  font-size: 12px;
  color: #8c9a95;
}


/* --------------------------------------------------------------------------
   layout · 内页外壳
   -------------------------------------------------------------------------- */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-ink-soft);
}

.breadcrumb-sep {
  color: var(--c-line-strong);
}

.breadcrumb-current {
  color: var(--c-ink-soft);
}

.page-header {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 14px 24px 0;
}

.page-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--c-ink);
}

.page-hero {
  padding-top: 14px;
}

.page-hero-lead {
  max-width: 820px;
  font-size: 15px;
  color: var(--c-ink);
}

.page-hero-note {
  max-width: 820px;
  margin-top: 8px;
  font-size: 13px;
  color: var(--c-ink-soft);
}

.page-hero-desc {
  max-width: 820px;
  font-size: 15px;
  color: var(--c-ink-soft);
}

.page-head {
  padding-top: 14px;
}

.page-head-lead,
.page-head-note {
  max-width: 820px;
  font-size: 15px;
  color: var(--c-ink-soft);
}

.page-lead {
  max-width: 820px;
  font-size: 15px;
  color: var(--c-ink-soft);
}

.related-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  width: 100%;
  max-width: var(--shell);
  margin: 32px auto 0;
  padding: 16px 24px;
  border-top: 1px solid var(--c-line);
  font-size: 13px;
}

.related-links-label {
  color: var(--c-ink-soft);
  letter-spacing: 0.04em;
}

.related-links-item {
  color: var(--c-accent);
}


/* --------------------------------------------------------------------------
   components · 通用
   -------------------------------------------------------------------------- */

.section {
  padding-top: 44px;
}

.section-head {
  max-width: 820px;
  margin-bottom: 20px;
}

.section-head h2,
.section-title {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-ink);
}

.section-head p,
.section-desc {
  margin-top: 6px;
  font-size: 14px;
  color: var(--c-ink-soft);
}

.section-intro,
.section-lead,
.section-note {
  max-width: 820px;
  margin-top: 6px;
  margin-bottom: 16px;
  font-size: 14px;
  color: var(--c-ink-soft);
}

.link-inline {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  font-size: 14px;
  color: var(--c-accent);
  border-bottom: 1px solid rgba(47, 93, 80, 0.35);
}

.link-inline:hover {
  border-bottom-color: var(--c-accent);
  text-decoration: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.btn:hover {
  text-decoration: none;
}

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

.btn-primary:hover {
  background: #264c41;
  border-color: #264c41;
}

.btn-ghost {
  background: #ffffff;
  border-color: var(--c-line-strong);
  color: var(--c-ink);
}

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

.tag {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 8px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #ffffff;
  background: var(--c-accent);
}

.swatch {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 2px;
  background: var(--c-accent);
}

.tag-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--c-accent);
}

/* 题材色标：全站唯一对应关系 */
.tag-tai,
.swatch-tai,
.tag-dot.tag-xuanyi {
  background: var(--c-tai);
}

.tag-zi,
.swatch-zi,
.tag-dot.tag-kehuan {
  background: var(--c-violet);
}

.tag-tao,
.swatch-tao,
.tag-dot.tag-richang {
  background: var(--c-clay);
}

.tag-ying,
.swatch-ying {
  background: var(--c-sakura);
}

.tag-mai,
.swatch-mai {
  background: var(--c-wheat);
}

.tag-hu,
.swatch-hu {
  background: var(--c-lake);
}

.swatch-lake,
.tag-lake {
  background: var(--c-lake);
}

.swatch-moss,
.tag-moss {
  background: var(--c-tai);
}

.swatch-clay {
  background: var(--c-clay);
}

.swatch-wheat {
  background: var(--c-wheat);
}

.swatch-violet,
.tag-violet {
  background: var(--c-violet);
}

.swatch-sakura,
.tag-sakura {
  background: var(--c-sakura);
}

.tag-dot--lake {
  background: var(--c-lake);
}

.tag-dot--moss {
  background: var(--c-tai);
}

.tag-dot--clay {
  background: var(--c-clay);
}

.tag-dot--wheat {
  background: var(--c-wheat);
}

.tag-dot--violet {
  background: var(--c-violet);
}

.tag-dot--sakura {
  background: var(--c-sakura);
}

.tag-blue {
  background: var(--c-lake);
}

.tag-orange {
  background: var(--c-clay);
}

.tacai-tag {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 8px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #ffffff;
  background: var(--c-accent);
}

.tacai-tag--tai {
  background: var(--c-tai);
}

.tacai-tag--tao {
  background: var(--c-clay);
}

.tacai-tag--hu {
  background: var(--c-lake);
}

.tacai-tag--jin {
  background: var(--c-wheat);
}

/* 封面卡 */
.cover-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.cover-card:hover {
  transform: translateY(-2px);
  border-color: var(--c-line-strong);
}

.cover-card .cover-figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--c-accent-soft);
}

.cover-card .cover-figure img {
  width: 100%;
  aspect-ratio: 3 / 4;
  height: auto;
  object-fit: cover;
}

.cover-card .cover-title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--c-ink);
}

.cover-card .cover-line {
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-ink-soft);
}

.cover-card .tag {
  align-self: flex-start;
}

/* 延伸阅读卡片 */
.reading-card,
.related-card {
  display: block;
  padding: 16px;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  color: var(--c-ink);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.reading-card:hover,
.related-card:hover {
  text-decoration: none;
  border-color: var(--c-accent);
  transform: translateY(-2px);
}

.reading-card h3,
.related-card h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--c-ink);
}

.reading-card p,
.related-card p {
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

/* 步骤条 */
.step-list,
.flow-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.step-item,
.flow-step {
  padding: 16px;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-accent);
  border-radius: var(--radius);
}

.step-num,
.step-index,
.flow-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  margin-bottom: 8px;
  border-radius: 50%;
  background: var(--c-accent-soft);
  color: var(--c-accent);
  font-size: 13px;
  font-weight: 700;
}

.step-item h3,
.flow-step h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
}

.step-item p,
.flow-step p {
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

/* 提示卡 */
.tip-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.tip-card {
  padding: 16px;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.tip-card h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
}

.tip-card p {
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

/* 图片容器 */
.media-figure,
.material-figure-body,
.topic-figure,
.story-figure,
.hero-figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--c-accent-soft);
}

.media-figure img,
.material-figure-body img,
.topic-figure img,
.story-figure img,
.hero-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.media-figure figcaption,
.material-figure-body figcaption,
.topic-figure figcaption,
.story-figure figcaption,
.hero-figure figcaption {
  padding: 8px 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-ink-soft);
  background: #ffffff;
}


/* --------------------------------------------------------------------------
   pages · 首页
   -------------------------------------------------------------------------- */

.hero {
  padding-top: 34px;
  padding-bottom: 8px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 36px;
  align-items: start;
}

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

.hero-kicker {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-accent);
}

.hero-copy h1 {
  margin-top: 8px;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.35;
}

.hero-lead {
  margin-top: 12px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-ink);
}

.hero-note {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-ink-soft);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

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

/* 编辑位封面卡 */
.card-row {
  display: grid;
  gap: 18px;
}

.card-row-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cover-card-lg .cover-figure img {
  aspect-ratio: 3 / 4;
}

/* 题材分类带 */
.genre-grid {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 10px;
}

.genre-cell {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px 10px;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.genre-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-ink);
}

.genre-key {
  font-size: 12px;
  line-height: 1.5;
  color: var(--c-ink-soft);
}

.band-foot,
.wall-foot,
.update-foot {
  margin-top: 14px;
  font-size: 14px;
}

/* 封面墙 */
.wall {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* 连载更新目录 */
.update-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 24px;
}

.update-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  padding: 10px 12px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: #ffffff;
}

.update-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-ink);
}

.update-state {
  font-size: 13px;
  color: var(--c-ink-soft);
}

.update-row .link-inline {
  margin-left: auto;
}

/* 题材系列导览 */
.guide-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.series-block {
  padding: 18px;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.series-bar {
  display: block;
  width: 48px;
  height: 4px;
  margin-bottom: 10px;
  border-radius: 2px;
}

.series-name {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.45;
}

.series-desc {
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.series-thumbs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.series-thumbs li {
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--c-accent-soft);
}

.series-thumbs img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.series-block .link-inline {
  margin-top: 12px;
}

/* 专题策划主叙事 */
.story-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 28px;
  align-items: start;
}

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

.story-body h2 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
}

.story-body p {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-ink);
}

.story-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
}

/* 阅读说明要点 */
.point-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.point-card {
  padding: 16px;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.point-card h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
}

.point-card p {
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

/* 版权与反馈说明条 */
.rights-note {
  padding-top: 36px;
}

.rights-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
  gap: 24px;
  align-items: center;
  padding: 24px;
  background: var(--c-accent-soft);
  border-radius: var(--radius);
}

.rights-copy h2 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
}

.rights-copy p {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-ink-soft);
}

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


/* --------------------------------------------------------------------------
   pages · 精选漫画
   -------------------------------------------------------------------------- */

.card-guide {
  padding-top: 24px;
}

.card-guide h2 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
}

.card-guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.guide-item {
  padding: 16px;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.guide-item h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
}

.guide-item p {
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.anchor-band {
  padding-top: 32px;
}

.anchor-band-title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--c-ink);
}

.anchor-grid {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.anchor-cell {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 10px;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--c-ink);
}

.anchor-cell:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  text-decoration: none;
}

.wall-group {
  padding-top: 36px;
}

.wall-group-head {
  max-width: 820px;
  margin-bottom: 16px;
}

.wall-group-head h2 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
}

.wall-group-head p {
  margin-top: 6px;
  font-size: 14px;
  color: var(--c-ink-soft);
}

.card-wall {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

/* 精选漫画页的卡片结构：图 → 色标 → 标题 → 简介 */
.card-wall .cover-card .cover-figure {
  margin-bottom: 2px;
}

.card-wall .cover-card .tag-dot {
  align-self: flex-start;
}

.card-wall .cover-card h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
}

.card-wall .cover-card p {
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-ink-soft);
}

.further-reading {
  padding-top: 44px;
}

.further-reading h2 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 16px;
}

.reading-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}


/* --------------------------------------------------------------------------
   pages · 题材系列
   -------------------------------------------------------------------------- */

.rule-section {
  padding-top: 20px;
}

.rule-section h2 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
}

.rule-body {
  max-width: 820px;
  margin-top: 10px;
}

.rule-body p {
  margin-bottom: 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-ink);
}

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  padding-top: 36px;
}

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

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

.series-section h2 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
}

.series-section .series-block {
  margin-top: 18px;
}

.series-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.series-head h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.45;
}

.series-covers {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.cover-thumb {
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--c-accent-soft);
}

.cover-thumb img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.series-entry {
  margin-top: 12px;
  font-size: 14px;
}

.aside-panel {
  padding: 18px;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.aside-panel h2 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.45;
}

.aside-lead {
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.tag-table {
  width: 100%;
  margin-top: 14px;
  border-collapse: collapse;
  font-size: 13px;
}

.tag-table th,
.tag-table td {
  padding: 8px 6px;
  text-align: left;
  vertical-align: middle;
  border-bottom: 1px solid var(--c-line);
}

.tag-table thead th {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--c-ink-soft);
}

.tag-table tbody th {
  font-weight: 600;
  color: var(--c-ink);
}

.tag-table tbody td {
  color: var(--c-ink-soft);
}

.tag-table tbody td:first-child {
  width: 26px;
}

.aside-note {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.related-section {
  padding-top: 44px;
}

.related-section h2 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 16px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}


/* --------------------------------------------------------------------------
   pages · 连载更新
   -------------------------------------------------------------------------- */

.status-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.status-card {
  padding: 16px;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.status-card h3 {
  margin-top: 8px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
}

.status-card p {
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.update-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

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

.update-column-title {
  margin-bottom: 10px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
}

.update-column .update-list {
  grid-template-columns: minmax(0, 1fr);
}

.update-column .update-row {
  gap: 6px 10px;
}

.update-tag {
  font-size: 12px;
  color: var(--c-ink-soft);
}

.update-status {
  font-size: 12px;
  color: var(--c-ink-soft);
}

.update-column .update-link {
  margin-left: auto;
  font-size: 13px;
}

.cover-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.cover-strip .cover-figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--c-accent-soft);
}

.cover-strip .cover-figure img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.cover-strip .cover-figure figcaption {
  padding: 8px 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-ink-soft);
}


/* --------------------------------------------------------------------------
   pages · 专题策划
   -------------------------------------------------------------------------- */

.topic-article {
  display: block;
  padding-bottom: 8px;
}

.topic-lead {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 28px;
  align-items: start;
  padding-top: 24px;
}

.topic-lead-figure {
  min-width: 0;
}

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

.topic-lead-body {
  min-width: 0;
  max-width: 760px;
}

.topic-lead-body h2 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
}

.topic-lead-body p {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-ink);
}

.topic-list {
  padding-top: 40px;
}

.topic-list h2 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
}

.topic-sequence {
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 760px;
  margin-top: 16px;
}

.topic-item {
  display: grid;
  grid-template-columns: 40px 140px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 16px;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.topic-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--c-accent-soft);
  color: var(--c-accent);
  font-size: 14px;
  font-weight: 700;
}

.topic-cover {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--c-accent-soft);
}

.topic-cover img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.topic-item-body {
  min-width: 0;
}

.topic-item-body h3 {
  margin-top: 6px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
}

.topic-item-body p {
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.topic-relations {
  padding-top: 40px;
}

.topic-relations h2 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
}

.topic-relation-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 16px;
}

.topic-relation {
  padding: 16px;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-top: 3px solid var(--c-accent);
  border-radius: var(--radius);
}

.topic-relation h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
}

.topic-relation p {
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.readon {
  padding-top: 40px;
}

.readon h2 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
}

.readon-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 760px;
  margin-top: 16px;
}

.readon-item a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  padding: 14px 16px;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  color: var(--c-ink);
}

.readon-item a:hover {
  border-color: var(--c-accent);
  text-decoration: none;
}

.readon-name {
  font-size: 15px;
  font-weight: 600;
}

.readon-desc {
  font-size: 13px;
  color: var(--c-ink-soft);
}


/* --------------------------------------------------------------------------
   pages · 阅读说明
   -------------------------------------------------------------------------- */

.readmode-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.readmode-card {
  padding: 16px;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.readmode-card h3 {
  margin-top: 8px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
}

.readmode-card p {
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.readfigure {
  padding-top: 40px;
}

.readfigure .shell {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 28px;
  align-items: start;
}

.media-figure-text {
  min-width: 0;
  max-width: 520px;
}

.media-figure-text p {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-ink);
}

.readsteps {
  padding-top: 40px;
}

.readfaq {
  padding-top: 40px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 820px;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.faq-item summary {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-ink);
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary::after {
  content: "+";
  margin-left: auto;
  padding-left: 12px;
  font-size: 18px;
  font-weight: 400;
  color: var(--c-accent);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item summary:hover {
  color: var(--c-accent);
}

.faq-item p {
  padding: 0 16px 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-ink-soft);
}

.readtips {
  padding-top: 40px;
}

.readtips .tip-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.related {
  padding-top: 40px;
}

.related .related-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}


/* --------------------------------------------------------------------------
   pages · 版权与反馈
   -------------------------------------------------------------------------- */

.page-body {
  padding-top: 20px;
}

.principle-section h2 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.principle-item {
  padding: 16px;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-accent);
  border-radius: var(--radius);
}

.principle-item h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
}

.principle-item p {
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-ink-soft);
}

.page-body .media-figure {
  margin-top: 32px;
}

.page-body .media-figure img {
  aspect-ratio: 16 / 9;
}

.scope-section {
  padding-top: 40px;
}

.scope-section h2 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
}

.scope-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 820px;
  margin-top: 16px;
}

.scope-item {
  padding: 14px 16px;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.scope-item h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
}

.scope-item p {
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-ink-soft);
}

.flow-section {
  padding-top: 40px;
}

.flow-section h2 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
}

.flow-section .flow-steps,
.coop-flow .flow-steps {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 16px;
}

.scope-section .section-intro,
.flow-section .section-intro,
.principle-section .section-intro {
  margin-bottom: 0;
}


/* --------------------------------------------------------------------------
   pages · 合作准备
   -------------------------------------------------------------------------- */

.coop-type-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.coop-type-card {
  padding: 16px;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.accent-bar {
  display: block;
  width: 40px;
  height: 4px;
  margin-bottom: 10px;
  border-radius: 2px;
  background: var(--c-accent);
}

.coop-type-card h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
}

.coop-type-card p {
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.material-figure-body img {
  aspect-ratio: 16 / 9;
}

.prep-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.prep-item {
  min-width: 220px;
  padding: 16px;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
}

.prep-item h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
}

.prep-item p {
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.boundary-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.boundary-item {
  min-width: 220px;
  padding: 16px;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-top: 3px solid var(--c-clay);
  border-radius: var(--radius);
}

.boundary-item h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
}

.boundary-item p {
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.related-reading .related-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}


/* --------------------------------------------------------------------------
   pages · 404
   -------------------------------------------------------------------------- */

.error-main {
  padding-top: 56px;
  padding-bottom: 24px;
}

.error-inner {
  max-width: 720px;
}

.error-code {
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--c-ink-soft);
}

.error-inner h1 {
  margin-top: 8px;
  font-size: 30px;
  font-weight: 700;
  line-height: 1.35;
}

.error-lead {
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-ink-soft);
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.error-actions .btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid var(--c-accent);
  background: var(--c-accent);
  color: #ffffff;
}

.error-actions .btn-primary:hover {
  background: #264c41;
  border-color: #264c41;
  text-decoration: none;
}

.error-guide {
  margin-top: 40px;
}

.error-guide h2 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
}

.error-guide-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.error-guide-list a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0 16px;
  background: #ffffff;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  color: var(--c-ink);
}

.error-guide-list a:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  text-decoration: none;
}


/* --------------------------------------------------------------------------
   responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .hero-figure {
    order: -1;
  }

  .genre-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .anchor-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .card-wall {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .point-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .layout-aside {
    order: 2;
  }

  .tag-table {
    max-width: 640px;
  }

  .topic-lead,
  .readfigure .shell {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .topic-lead-body,
  .media-figure-text {
    max-width: none;
  }

  .step-list,
  .flow-steps,
  .flow-section .flow-steps,
  .coop-flow .flow-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }
}

@media (max-width: 768px) {
  .shell {
    padding-left: 16px;
    padding-right: 16px;
  }

  .header-inner {
    flex-wrap: wrap;
    gap: 12px;
    min-height: 60px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    flex-basis: 100%;
    margin-left: 0;
    padding-top: 8px;
    border-top: 1px solid var(--c-line);
  }

  .nav-group {
    width: 100%;
  }

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

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

  .nav-list a {
    min-height: 48px;
    padding: 0 4px;
    border-bottom: 1px solid var(--c-line);
  }

  .nav-list a.is-current {
    border-bottom-color: var(--c-line);
    color: var(--c-accent);
  }

  .breadcrumb,
  .page-header {
    padding-left: 16px;
    padding-right: 16px;
  }

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

  .hero {
    padding-top: 24px;
  }

  .hero-copy h1 {
    font-size: 24px;
  }

  .section {
    padding-top: 32px;
  }

  .card-row-3,
  .wall,
  .card-wall,
  .card-guide-grid,
  .guide-row,
  .reading-grid,
  .related-grid,
  .related .related-grid,
  .related-reading .related-grid,
  .status-card-grid,
  .update-columns,
  .readmode-grid,
  .topic-relation-grid,
  .coop-type-grid,
  .prep-list,
  .boundary-list,
  .principle-grid,
  .error-guide-list,
  .readtips .tip-grid,
  .cover-strip {
    grid-template-columns: minmax(0, 1fr);
  }

  .update-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .genre-grid,
  .anchor-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .point-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tip-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .step-list,
  .flow-steps,
  .flow-section .flow-steps,
  .coop-flow .flow-steps {
    grid-template-columns: minmax(0, 1fr);
  }

  .rights-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    padding: 20px;
  }

  .story-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }

  .topic-item {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 12px;
  }

  .topic-cover {
    grid-column: 2;
    max-width: 180px;
  }

  .topic-item-body {
    grid-column: 2;
  }

  .series-thumbs,
  .series-covers {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .update-row .link-inline {
    margin-left: 0;
  }

  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding-top: 32px;
  }

  .site-footer {
    margin-top: 40px;
  }
}

@media (max-width: 480px) {
  .hero-copy h1 {
    font-size: 22px;
  }

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

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

  .point-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .series-thumbs,
  .series-covers {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}