:root {
  --paper: #f3ebdd;
  --paper-light: #faf6ed;
  --ink: #2b2621;
  --muted: #72695f;
  --accent: #9a4e3f;
  --accent-dark: #783b30;
  --brass: #b59a62;
  --line: #d8cbb8;
  --focus: #6c352c;
  --shadow: 0 18px 50px rgba(70, 52, 35, 0.08);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 12%, rgba(255, 255, 255, 0.74), transparent 32rem),
    radial-gradient(circle at 85% 22%, rgba(181, 154, 98, 0.08), transparent 28rem),
    repeating-linear-gradient(0deg, rgba(94, 72, 48, 0.018) 0, rgba(94, 72, 48, 0.018) 1px, transparent 1px, transparent 4px),
    var(--paper);
  font-family: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  color: inherit;
  font: inherit;
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 20;
  padding: 10px 16px;
  border-radius: 4px;
  background: var(--ink);
  color: white;
}

.skip-link:focus {
  top: 16px;
}

.site-shell {
  width: min(1440px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand,
h1,
h2,
h3,
.recent-title,
.archive-copy strong {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
}

.brand {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.site-header nav {
  display: flex;
  gap: clamp(22px, 4vw, 58px);
}

.site-header nav a {
  position: relative;
  padding: 8px 0;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
}

.site-header nav a::after {
  position: absolute;
  right: 50%;
  bottom: 2px;
  left: 50%;
  height: 1px;
  background: var(--accent);
  content: "";
  transition: left 180ms ease-out, right 180ms ease-out;
}

.site-header nav a:hover::after {
  right: 0;
  left: 0;
}

.hero {
  min-height: calc(100vh - 84px);
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(540px, 1.1fr);
  gap: clamp(48px, 8vw, 120px);
  align-items: center;
  padding: 70px 32px 80px;
}

.hero-copy {
  max-width: 610px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(4rem, 8vw, 8.6rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.02;
}

.tagline {
  max-width: 520px;
  margin: 30px 0 0;
  color: #514940;
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  font-size: clamp(1.2rem, 2vw, 1.65rem);
  line-height: 1.75;
}

.ornament {
  width: 260px;
  display: flex;
  align-items: center;
  margin: 38px 0 30px;
}

.ornament::before,
.ornament::after {
  height: 1px;
  flex: 1;
  background: var(--brass);
  content: "";
}

.ornament span {
  width: 8px;
  height: 8px;
  margin: 0 8px;
  border: 1px solid var(--brass);
  transform: rotate(45deg);
}

.stats {
  margin: 0 0 32px;
  color: var(--muted);
  font-size: 1.05rem;
  letter-spacing: 0.08em;
}

.stats strong {
  color: var(--ink);
  font-size: 1.35em;
}

.primary-button {
  min-width: 236px;
  min-height: 60px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 14px 24px;
  border: 1px solid var(--accent);
  border-radius: 4px;
  background: var(--accent);
  box-shadow: 0 10px 24px rgba(154, 78, 63, 0.18);
  color: white;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: background 180ms ease-out, transform 180ms ease-out;
}

.primary-button span {
  transition: transform 180ms ease-out;
}

.primary-button:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
}

.primary-button:hover span {
  transform: translateX(4px);
}

.recent-card {
  overflow: hidden;
  border: 1px solid var(--brass);
  border-radius: 14px;
  background: rgba(250, 246, 237, 0.86);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.card-heading {
  display: flex;
  gap: 16px;
  align-items: center;
  margin: 0 30px;
  padding: 26px 0 22px;
  border-bottom: 1px solid var(--line);
}

.card-heading h2 {
  margin: 0;
  font-size: 1.65rem;
  font-weight: 600;
}

.archive-icon {
  color: var(--brass);
  font-size: 1.4rem;
}

.recent-card ol {
  margin: 0;
  padding: 0 30px;
  list-style: none;
}

.recent-card li + li {
  border-top: 1px solid var(--line);
}

.recent-card li a {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 18px;
  align-items: center;
  min-height: 75px;
  padding: 8px 10px;
  transition: background 180ms ease-out, padding 180ms ease-out;
}

.recent-card li a:hover {
  padding-right: 6px;
  padding-left: 14px;
  background: rgba(154, 78, 63, 0.07);
}

.recent-year {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.recent-title {
  font-size: 1.15rem;
  font-weight: 600;
}

.recent-card time {
  color: var(--muted);
  font-size: 0.84rem;
  letter-spacing: 0.08em;
}

.card-more {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0 30px;
  padding: 20px 10px 24px;
  border-top: 1px solid var(--line);
  color: var(--accent);
  font-weight: 700;
}

.archive-section,
.about-section,
.article-main,
.not-found {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.archive-section {
  padding: 110px 0;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 36px;
}

.section-heading h2,
.about-section h2 {
  margin: 0;
  font-size: clamp(2.3rem, 5vw, 4.6rem);
  line-height: 1.15;
}

.section-heading > p {
  max-width: 360px;
  margin: 0 0 8px;
  color: var(--muted);
}

.notice {
  margin: 20px 0 30px;
  padding: 14px 18px;
  border-left: 3px solid var(--accent);
  background: rgba(250, 246, 237, 0.78);
  color: #5c5148;
}

.archive-toolbar {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 18px;
  margin-bottom: 24px;
}

.search-field,
.sort-field {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.search-field input,
.sort-field select {
  min-height: 52px;
  width: 100%;
  padding: 10px 15px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper-light);
  color: var(--ink);
}

.year-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
}

.year-filter {
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  font-size: 0.85rem;
}

.year-filter:hover,
.year-filter.is-active {
  border-color: var(--accent);
  background: var(--accent);
  color: white;
}

.result-count {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.85rem;
}

.archive-list {
  border-top: 1px solid var(--brass);
}

.year-group {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 36px;
  padding: 40px 0 18px;
  border-bottom: 1px solid var(--brass);
}

.year-group h3 {
  position: sticky;
  top: 20px;
  align-self: start;
  margin: 0;
  color: var(--accent);
  font-size: 2.2rem;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.year-group ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.archive-entry + .archive-entry {
  border-top: 1px solid var(--line);
}

.archive-entry a {
  display: grid;
  grid-template-columns: 80px 1fr 28px;
  gap: 20px;
  align-items: center;
  padding: 20px 12px;
  transition: background 180ms ease-out, padding 180ms ease-out;
}

.archive-entry a:hover {
  padding-right: 6px;
  padding-left: 18px;
  background: rgba(154, 78, 63, 0.06);
}

.archive-date {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.archive-date time {
  display: grid;
  gap: 1px;
}

.archive-date small {
  font-size: 0.72rem;
}

.archive-copy {
  display: grid;
  gap: 3px;
}

.archive-copy strong {
  font-size: 1.15rem;
}

.archive-copy span {
  color: var(--muted);
  font-size: 0.88rem;
}

.archive-arrow {
  color: var(--accent);
}

.empty-state {
  padding: 50px 0;
  color: var(--muted);
  text-align: center;
}

.about-section {
  padding: 100px 0 120px;
  border-top: 1px solid var(--brass);
}

.about-section > p:not(.eyebrow) {
  max-width: 760px;
  color: #514940;
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  font-size: 1.2rem;
  line-height: 2;
}

footer {
  padding: 30px 24px 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
  text-align: center;
}

.article-main {
  padding: 80px 0 110px;
}

.article-main article {
  width: min(760px, 100%);
  margin: 0 auto;
}

.back-link {
  color: var(--accent);
  font-weight: 700;
}

.article-header {
  margin: 80px 0 48px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--brass);
}

.article-header h1 {
  margin: 0 0 24px;
  font-size: clamp(2.7rem, 7vw, 5.7rem);
  line-height: 1.2;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  color: var(--muted);
  font-size: 0.9rem;
}

.article-body {
  color: #352f2a;
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
  font-size: clamp(1.08rem, 2vw, 1.22rem);
  letter-spacing: 0.025em;
  line-height: 2;
}

.article-body p {
  margin: 0 0 1.75em;
}

.article-body h2 {
  margin: 2.3em 0 0.8em;
  font-size: 1.5em;
}

.article-body blockquote {
  margin: 2.2em 0;
  padding: 8px 0 8px 24px;
  border-left: 3px solid var(--accent);
  color: #62574d;
  font-style: italic;
}

.article-body .source-strong {
  font-weight: 700;
}

.inline-emoticon {
  width: 1.25em;
  height: 1.25em;
  display: inline-block;
  margin: 0 0.12em;
  vertical-align: -0.22em;
}

.source-media {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 2em 0;
  padding: 18px;
  border: 1px dashed var(--line);
  border-radius: 6px;
  background: rgba(250, 246, 237, 0.55);
}

.missing-media {
  display: inline-flex;
  min-height: 88px;
  align-items: center;
  justify-content: center;
  padding: 16px 22px;
  border: 1px dashed var(--brass);
  border-radius: 4px;
  color: var(--muted);
  font-family: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 0.78rem;
  font-style: normal;
}

.source-media-link {
  color: var(--accent);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.78em;
  overflow-wrap: anywhere;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 52px 0 0;
  padding: 28px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.tag-list li {
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.8rem;
}

.article-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 90px;
  padding-top: 34px;
  border-top: 1px solid var(--brass);
}

.article-nav-link {
  min-height: 120px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  padding: 20px 24px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(250, 246, 237, 0.55);
  transition: border 180ms ease-out, transform 180ms ease-out;
}

a.article-nav-link:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.article-nav-link span {
  color: var(--muted);
  font-size: 0.78rem;
}

.article-nav-link strong {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  font-size: 1.05rem;
}

.article-nav-link.next {
  text-align: right;
}

.article-nav-link.is-disabled {
  opacity: 0.52;
}

.not-found {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 80px 0;
}

.not-found h1 {
  margin: 0;
  font-size: clamp(3rem, 8vw, 6rem);
}

@media (max-width: 1000px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-right: 0;
    padding-left: 0;
  }

  .hero-copy {
    max-width: 720px;
  }

  .hero h1 {
    font-size: clamp(4rem, 15vw, 8rem);
  }
}

@media (max-width: 700px) {
  .site-shell {
    width: min(100% - 32px, 1440px);
  }

  .site-header {
    min-height: 72px;
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
    padding: 16px 0 12px;
  }

  .site-header nav {
    width: 100%;
    justify-content: space-between;
    gap: 12px;
  }

  .site-header nav a {
    font-size: 0.84rem;
  }

  .hero {
    padding: 64px 0 72px;
  }

  .hero h1 {
    font-size: clamp(3.8rem, 22vw, 6rem);
  }

  .recent-card li a {
    grid-template-columns: 56px 1fr;
    gap: 10px;
  }

  .recent-card time {
    grid-column: 2;
  }

  .archive-section,
  .about-section,
  .article-main {
    padding-top: 74px;
    padding-bottom: 86px;
  }

  .section-heading {
    align-items: start;
    flex-direction: column;
  }

  .archive-toolbar {
    grid-template-columns: 1fr;
  }

  .year-group {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .year-group h3 {
    position: static;
  }

  .archive-entry a {
    grid-template-columns: 62px 1fr 20px;
    gap: 10px;
    padding-right: 4px;
    padding-left: 4px;
  }

  .archive-copy span {
    display: none;
  }

  .article-header {
    margin-top: 58px;
  }

  .article-navigation {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}