:root {
  --paper: #f3e6c4;
  --paper-deep: #e5d09a;
  --panel: #fff8e6;
  --ink: #1b1410;
  --teal: #1a3c38;
  --cinnabar: #c23a22;
  --cinnabar-deep: #8f2416;
  --gold: #c9a227;
  --muted: #6b5340;
  --line: #d4b98a;
  --free: #2f6b4f;
  --shadow: 0 12px 28px rgba(36, 24, 12, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    repeating-linear-gradient(0deg, rgba(80, 40, 10, 0.035) 0 1px, transparent 1px 28px),
    radial-gradient(rgba(90, 50, 20, 0.08) 0.7px, transparent 0.7px);
  background-size: auto, 16px 16px;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
img { display: block; max-width: 100%; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 248, 230, 0.96);
  border-bottom: 3px double var(--cinnabar);
}

.topbar,
.masthead,
.main-nav,
.site-footer-inner,
.footer-bottom,
.report-bar,
.portal,
.article-page {
  width: min(1240px, calc(100% - 24px));
  margin: 0 auto;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 34px;
  color: #f3e6c9;
  font-size: 12px;
}

.topbar,
.topbar-links {
  display: flex;
  align-items: center;
}

.site-header .topbar {
  width: 100%;
  padding: 0 max(12px, calc((100% - 1240px) / 2));
  background: var(--teal);
}

.topbar-links { gap: 14px; }
.topbar a, .topbar button { color: #f3e6c9; background: none; border: 0; cursor: pointer; }
.top-link-btn { padding: 0; }

.login-chip {
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--gold);
  color: var(--ink);
}

.masthead {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 16px 0 8px;
  border-top: 3px solid var(--ink);
  border-bottom: 1px solid var(--gold);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-seal {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border: 3px solid var(--cinnabar);
  border-radius: 50%;
  color: var(--cinnabar);
  font-family: "STKaiti", "KaiTi", serif;
  font-size: 28px;
  transform: rotate(-8deg);
  box-shadow: inset 0 0 0 2px rgba(194, 58, 34, 0.25);
}

.brand-copy strong {
  display: block;
  font-family: "STKaiti", "KaiTi", serif;
  font-size: 26px;
  letter-spacing: 0.08em;
}

.brand-copy small {
  color: var(--muted);
  letter-spacing: 0.18em;
}

.masthead-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
}

.masthead-meta span {
  padding: 3px 8px;
  border: 1px solid var(--line);
  background: #fff3cf;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 8px 0 12px;
}

.main-nav a {
  padding: 8px 12px;
  color: var(--teal);
  font-weight: 700;
}

.main-nav a.active,
.main-nav a:hover {
  color: #fff;
  background: var(--cinnabar);
}

.portal,
.article-page { padding: 18px 0 36px; }

.quick-line,
.hero-layout,
.search-bar,
.library-layout,
.detail-layout,
.detail-hero,
.detail-actions,
.section-heading,
.filter-bar {
  display: flex;
}

.quick-line {
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.search-bar { flex: 1; max-width: 560px; }

.search-bar input {
  flex: 1;
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--ink);
  border-right: 0;
  background: #fff;
  outline: 0;
}

.search-bar button,
.primary-btn,
.plan-btn,
.chapter-btn,
.expand-btn {
  border: 1px solid var(--cinnabar);
  background: var(--cinnabar);
  color: #fff;
  cursor: pointer;
}

.search-bar button { width: 92px; }

.quick-links { display: flex; gap: 14px; align-items: center; color: var(--muted); }

.category-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  padding: 10px 14px;
  margin-bottom: 14px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.hero-layout { gap: 16px; align-items: stretch; }

.hero-main,
.rank-box,
.content-box,
.side-box,
.article-box,
.detail-hero,
.publish-form,
.publish-guide,
.plan,
.auth-card,
.reader-paper,
.reader-lock {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero-main,
.content-box,
.article-box,
.detail-hero { padding: 18px; }
.hero-main { flex: 1; min-width: 0; }
.rank-box { width: 320px; padding: 16px; flex: none; }

.section-title span,
.section-heading span,
.page-banner > span,
.auth-intro > span,
.reader-paper header span {
  color: var(--cinnabar);
  font-weight: 800;
  letter-spacing: 0.16em;
  font-size: 12px;
}

.section-title h1,
.section-heading h2,
.page-banner h1,
.brand-copy strong,
.editorial-article header h1,
.reader-paper h1 {
  font-family: "STKaiti", "KaiTi", serif;
}

.section-title h1 {
  margin: 8px 0;
  font-size: clamp(28px, 4vw, 42px);
}

.section-title p,
.page-banner p,
.detail-desc,
.author-line { color: var(--muted); line-height: 1.8; }

.section-heading {
  justify-content: space-between;
  align-items: end;
  gap: 16px;
  margin-bottom: 14px;
}

.section-heading h2 {
  margin: 4px 0 0;
  font-size: clamp(24px, 3vw, 34px);
}

.section-heading > a,
.text-link {
  color: var(--cinnabar-deep);
  border-bottom: 2px solid var(--gold);
  font-weight: 700;
}

.hero-cover-grid,
.work-grid,
.category-panels,
.update-stream,
.detail-chapters,
.member-grid,
.plan-grid,
.publish-list,
.news-list {
  display: grid;
  gap: 14px;
}

.hero-cover-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.work-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.library-work-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.work-card {
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fffdf6;
}

.work-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.work-cover img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; }
.work-copy { padding: 10px 12px 12px; }
.work-copy span, .news-card span { color: var(--cinnabar); font-size: 12px; font-weight: 700; }
.work-copy h3 { margin: 6px 0; font-size: 16px; }
.work-copy p, .work-copy small { margin: 0; color: var(--muted); font-size: 12px; }

.rank-list { margin: 0; padding: 0; list-style: none; }
.rank-list li {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
}
.rank-no { color: var(--cinnabar); font-weight: 800; text-align: center; }
.rank-text strong { display: block; font-size: 14px; }
.rank-text small, .rank-list em { color: var(--muted); font-size: 12px; font-style: normal; }

.update-stream { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.update-item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 8px;
  align-items: center;
  padding: 10px 12px;
  background: #fffdf6;
  border: 1px solid #efe0b8;
}
.update-item em, .update-item span { color: var(--muted); font-size: 12px; font-style: normal; }

.content-box { margin-top: 16px; }
.content-box.dual { display: grid; grid-template-columns: minmax(0, 1.2fr) 320px; gap: 16px; }

.spotlight-main { display: flex; gap: 16px; }
.spotlight-main img { width: 180px; aspect-ratio: 3 / 4; object-fit: cover; }

.primary-btn,
.outline-btn,
.plan-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  font-weight: 700;
}

.outline-btn {
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
}

.home-section { margin-top: 36px; }
.ink-section {
  padding: 28px 20px;
  background: #dce8e2;
  border: 1px solid #b9cfc6;
}

.news-feature-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 16px; }
.news-card {
  display: grid;
  grid-template-columns: 140px 1fr;
  border: 1px solid var(--line);
  background: var(--panel);
}
.news-photo img {
  width: 100%;
  height: 100%;
  min-height: 120px;
  object-fit: cover;
}
.news-card > div { padding: 16px; }
.news-card h3 { margin: 6px 0; }
.news-card p { margin: 0; color: var(--muted); }
.news-card.is-compact { box-shadow: none; }
.news-card.is-compact p { display: none; }
.news-side-list { display: grid; gap: 10px; }
.news-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.page-banner {
  position: relative;
  overflow: hidden;
  padding: 36px 32px;
  margin-bottom: 18px;
  color: #fff8e6;
  background: var(--teal);
}
.page-banner::after {
  content: "熵";
  position: absolute;
  right: 24px;
  bottom: -18px;
  font-size: 120px;
  font-family: "STKaiti", "KaiTi", serif;
  color: rgba(201, 162, 39, 0.18);
}
.page-banner h1 { position: relative; margin: 8px 0; font-size: clamp(32px, 5vw, 52px); }
.page-banner p { position: relative; margin: 0; color: #d5e4df; }

.filter-bar {
  align-items: center;
  gap: 14px;
  padding: 12px;
  margin-bottom: 16px;
  border: 1px solid var(--line);
  background: var(--panel);
}
.filter-bar input {
  width: min(280px, 100%);
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--line);
  background: #fff;
}
.filter-tags, .tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-tags button, .tag-list button {
  padding: 7px 11px;
  border: 1px solid var(--line);
  background: #fff3cf;
  color: var(--ink);
  cursor: pointer;
}
.filter-tags button.is-active,
.tag-list button.is-active {
  color: #fff;
  background: var(--cinnabar);
  border-color: var(--cinnabar);
}

.library-layout { gap: 16px; align-items: start; }
.library-side { width: 260px; flex: none; }
.library-main { flex: 1; min-width: 0; }
.side-box { padding: 14px; margin-bottom: 14px; }
.switch-tabs { display: inline-flex; border: 1px solid var(--line); }
.switch-tabs a { padding: 8px 14px; }
.switch-tabs a.active { color: #fff; background: var(--cinnabar); }
.empty-state { padding: 40px; text-align: center; color: var(--muted); border: 1px dashed var(--line); }

.detail-layout { gap: 16px; align-items: start; }
.detail-main { flex: 1; min-width: 0; }
.detail-side { width: 280px; }
.detail-hero { gap: 20px; }
.detail-cover { width: 220px; aspect-ratio: 3 / 4.1; object-fit: cover; flex: none; }
.detail-type {
  display: inline-flex;
  padding: 4px 10px;
  color: var(--cinnabar);
  background: #fde6df;
  font-size: 12px;
  font-weight: 700;
}
.detail-meta h1 { margin: 10px 0; font-size: clamp(28px, 4vw, 40px); font-family: "STKaiti", "KaiTi", serif; }
.detail-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.detail-tags span { padding: 4px 8px; border: 1px solid var(--line); font-size: 12px; background: #fff; }
.detail-actions { gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.detail-info-list p { margin: 0 0 8px; color: var(--muted); }
.detail-chapters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.chapter-btn { min-height: 38px; padding: 0 10px; font-size: 13px; text-align: left; }
.chapter-btn.is-free { background: var(--free); border-color: var(--free); }
.chapter-btn.is-lock { background: #fff8e6; color: var(--ink); border-style: dashed; }

.reader-nav {
  display: flex;
  justify-content: space-between;
  margin-bottom: 14px;
  color: var(--muted);
}
.reader-paper, .reader-lock { padding: 32px clamp(18px, 5vw, 64px); }
.reader-paper header { text-align: center; margin-bottom: 20px; }
.reader-art { display: grid; grid-template-columns: 160px 1fr; gap: 12px; margin-bottom: 22px; }
.reader-art img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; filter: sepia(0.25); }
.reader-panels { display: grid; gap: 8px; }
.reader-panels i {
  display: block;
  min-height: 72px;
  background:
    linear-gradient(135deg, rgba(26, 60, 56, 0.15), rgba(194, 58, 34, 0.12)),
    repeating-linear-gradient(90deg, transparent 0 12px, rgba(201, 162, 39, 0.18) 12px 13px);
  border: 1px solid var(--line);
}
.reader-body { font-size: 17px; line-height: 2; }
.reader-pager { display: flex; justify-content: space-between; gap: 12px; margin-top: 28px; }
.reader-lock { text-align: center; padding: 48px 28px; }
.reader-lock img { width: min(220px, 70%); margin: 0 auto 18px; aspect-ratio: 3 / 4; object-fit: cover; }
.reader-lock h1 { font-family: "STKaiti", "KaiTi", serif; font-size: 36px; }
.reader-panels img { width: 100%; height: 72px; object-fit: cover; border: 1px solid var(--line); }

.video-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 420px;
  margin: 8px 0 22px;
  overflow: hidden;
  color: #fff8e6;
  background-color: #111;
  background-size: cover;
  background-position: center;
}
.video-stage::before {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.15), rgba(0, 0, 0, 0.55));
  content: "";
}
.video-play,
.video-loading {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  gap: 10px;
}
.video-loading { display: none; }
.video-stage.is-playing .video-play { display: none; }
.video-stage.is-playing .video-loading { display: grid; }
.video-play {
  min-width: 168px;
  min-height: 56px;
  padding: 0 22px;
  border: 0;
  color: #fff;
  background: var(--cinnabar);
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
}
.video-play span { margin-right: 8px; }
.video-spinner {
  width: 46px;
  height: 46px;
  border: 4px solid rgba(255, 248, 230, 0.25);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.rank-board { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.rank-board li {
  display: grid;
  grid-template-columns: 40px 72px 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 12px;
  background: var(--panel);
  border: 1px solid var(--line);
}
.rank-board img { width: 72px; aspect-ratio: 3 / 4; object-fit: cover; }
.rank-intro { color: var(--muted); }

.publish-layout { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.6fr); gap: 18px; }
.publish-form, .auth-card form { display: grid; gap: 14px; padding: 22px; }
.publish-form label, .auth-card label { display: grid; gap: 6px; font-weight: 700; }
.publish-form input, .publish-form select, .publish-form textarea, .auth-card input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: #fff;
}
.form-two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.check-line { display: flex !important; align-items: flex-start; font-weight: 400 !important; gap: 8px; }
.check-line input { width: auto; }
.publish-guide { padding: 24px; color: #d8e4e1; background: var(--teal); }
.publish-guide h2 { color: #fff; }
.publish-guide a { color: var(--gold); border-bottom: 2px solid var(--gold); }
.publish-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.publish-item { padding: 16px; border: 1px solid var(--line); background: #fffdf6; }
.publish-item span { color: var(--cinnabar); font-size: 12px; }
.publish-item h3 { margin: 8px 0; }

.member-grid, .plan-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 16px 0; }
.member-grid > div, .plan { padding: 18px; }
.plan strong { display: block; margin: 10px 0; color: var(--cinnabar); font-size: 32px; }
.plan.is-on { outline: 2px solid var(--cinnabar); }
.pay-box { margin-top: 16px; }
.pay-methods { display: flex; gap: 18px; margin: 12px 0; }
.pay-result { color: var(--free); font-weight: 700; min-height: 1.6em; }

.auth-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  width: min(860px, 100%);
  margin: 40px auto;
  overflow: hidden;
}
.auth-intro { padding: 40px 32px; color: #d9e6e3; background: var(--teal); }
.auth-intro h1 { color: #fff; font-family: "STKaiti", "KaiTi", serif; font-size: 36px; }
.auth-card form > p { color: var(--muted); }
.auth-card form a { color: var(--cinnabar); }

.editorial-article { max-width: 860px; }
.article-hero-image {
  width: 100%;
  max-height: 420px;
  margin: 22px 0;
  object-fit: cover;
}
.editorial-article header { text-align: center; }
.editorial-article header h1 { font-size: clamp(28px, 5vw, 46px); }
.article-content { font-size: 17px; line-height: 2; }
.article-callout {
  padding: 18px 22px;
  margin-top: 20px;
  border-left: 5px solid var(--cinnabar);
  background: #fde6df;
}
.audit-table { width: 100%; border-collapse: collapse; }
.audit-table th, .audit-table td { padding: 10px; border: 1px solid var(--line); text-align: left; }
.audit-table th { color: #fff; background: var(--cinnabar); }
.article-list { color: var(--muted); line-height: 1.9; }
.signature-lines {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
}
.report-box { border-left: 5px solid var(--cinnabar); }

.site-footer {
  margin-top: 10px;
  color: #d5e0dc;
  background: var(--teal);
}
.site-footer-inner {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr 1.2fr;
  gap: 20px;
  padding: 36px 0;
}
.site-footer h3 { color: #fff; margin: 0 0 10px; }
.site-footer ul { margin: 0; padding: 0; list-style: none; }
.site-footer p, .site-footer li, .site-footer a { color: #d5e0dc; line-height: 1.8; }
.icp-link { color: var(--gold) !important; font-weight: 700; }
.report-bar {
  padding: 10px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #e8d48a;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.site-toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 80;
  padding: 12px 18px;
  color: #fff;
  background: var(--ink);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: 160ms ease;
}
.site-toast.is-visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .masthead, .hero-layout, .library-layout, .detail-layout, .detail-hero, .quick-line, .content-box.dual, .publish-layout, .auth-card, .site-footer-inner, .footer-bottom, .spotlight-main, .reader-art {
    display: flex;
    flex-direction: column;
  }
  .brand, .rank-box, .library-side, .detail-side, .detail-cover, .search-bar { width: 100%; min-width: 0; }
  .hero-cover-grid, .work-grid, .library-work-grid, .update-stream, .category-panels, .news-list, .publish-list, .member-grid, .plan-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .news-feature-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .topbar { display: none; }
  .site-header { position: static; }
  .masthead { padding-top: 12px; }
  .brand-copy strong { font-size: 20px; }
  .hero-cover-grid, .work-grid, .library-work-grid, .detail-chapters, .member-grid, .plan-grid, .publish-list, .form-two, .signature-lines { grid-template-columns: 1fr; }
  .main-nav a { padding: 7px 9px; font-size: 13px; }
}