:root {
  --cc-paper: #f2efe8;
  --cc-paper-deep: #e7e0d5;
  --cc-card: rgba(250, 247, 241, 0.92);
  --cc-ink: #1f292b;
  --cc-ink-soft: #58615f;
  --cc-muted: #7b7770;
  --cc-line: rgba(31, 41, 43, 0.14);
  --cc-accent: #b95832;
  --cc-accent-deep: #923f25;
  --cc-shadow: 0 18px 50px rgba(61, 49, 40, 0.09);
  --cc-radius-xl: 28px;
  --cc-radius-md: 14px;
  --font-serif: "Noto Serif SC", "Songti SC", STSong, Georgia, serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "SFMono-Regular", "JetBrains Mono", Consolas, monospace;
}

[data-theme='dark'] {
  --cc-paper: #171c1d;
  --cc-paper-deep: #202728;
  --cc-card: rgba(31, 39, 40, 0.94);
  --cc-ink: #f0ebe2;
  --cc-ink-soft: #bec4c1;
  --cc-muted: #9d9f9a;
  --cc-line: rgba(240, 235, 226, 0.13);
  --cc-accent: #dc7a51;
  --cc-accent-deep: #ee9a76;
  --cc-shadow: 0 20px 55px rgba(0, 0, 0, 0.2);
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--cc-ink);
  background-color: var(--cc-paper);
  background-image:
    radial-gradient(circle at 12% 14%, rgba(185, 88, 50, 0.065), transparent 24rem),
    radial-gradient(circle at 88% 55%, rgba(31, 41, 43, 0.055), transparent 30rem);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  color: var(--cc-ink);
  background: rgba(185, 88, 50, 0.28);
}

:focus-visible {
  outline: 3px solid var(--cc-accent);
  outline-offset: 4px;
}

#web_bg {
  display: none;
}

#page-header {
  overflow: hidden;
  background-color: var(--cc-paper-deep);
  background-position: center;
  background-size: cover;
}

#page-header::before {
  background: linear-gradient(90deg, rgba(242, 239, 232, 0.06) 0%, rgba(31, 41, 43, 0.02) 48%, rgba(31, 41, 43, 0.16) 100%);
}

[data-theme='dark'] #page-header::before {
  background: rgba(12, 16, 17, 0.28);
}

#page-header.full_page {
  min-height: 680px;
  height: 78dvh;
  max-height: 900px;
}

#page-header.full_page #site-info {
  top: 48%;
  right: auto !important;
  left: 5vw !important;
  width: min(1280px, calc(100% - 10vw));
  padding: 0;
  text-align: left;
  transform: translateY(-50%);
}

#site-title,
#page-header #post-info .post-title,
.page-title,
#article-container h1,
#article-container h2,
#article-container h3,
#article-container h4 {
  font-family: var(--font-serif);
}

#page-header.full_page #site-title {
  max-width: 780px;
  color: var(--cc-ink);
  font-size: clamp(3.8rem, 8.8vw, 8.4rem);
  font-weight: 800;
  line-height: 0.96;
  letter-spacing: -0.075em;
  text-align: left;
  text-shadow: none;
}

#page-header.full_page #site-subtitle {
  margin-top: 1.35rem;
  color: var(--cc-ink-soft);
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 1.6vw, 1.25rem);
  letter-spacing: 0.12em;
  text-align: left;
  text-shadow: none;
}

#site_social_icons {
  justify-content: flex-start;
  margin-top: 2rem;
}

#site_social_icons .social-icon {
  color: var(--cc-ink);
}

#scroll-down {
  bottom: 2rem;
  left: auto;
  right: 4.5vw;
  width: auto;
}

#scroll-down .scroll-down-effects {
  color: var(--cc-accent);
  font-size: 30px;
}

#nav {
  right: 0;
  left: 0;
  width: min(1480px, 100%);
  margin: 0 auto;
  padding: 0 3.25rem;
  font-family: var(--font-sans);
}

#nav #site-name,
#nav .site-page {
  color: var(--cc-ink);
  font-weight: 600;
  text-shadow: none;
}

#page-header.full_page #nav #blog_name a {
  color: var(--cc-ink);
  text-shadow: none;
}

#nav #site-name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  letter-spacing: -0.04em;
}

#nav .site-page::after {
  height: 2px;
  background: var(--cc-accent);
}

#page-header.nav-fixed #nav {
  max-width: none;
  background: rgba(242, 239, 232, 0.86);
  box-shadow: 0 1px 0 var(--cc-line);
  backdrop-filter: blur(18px) saturate(130%);
}

[data-theme='dark'] #page-header.nav-fixed #nav {
  background: rgba(23, 28, 29, 0.86);
}

#page-header.post-bg,
#page-header.not-home-page {
  height: clamp(360px, 46vh, 560px);
}

#page-header #post-info,
#page-header #page-site-info {
  width: min(1050px, calc(100% - 3rem));
  text-align: left;
}

#page-header #post-info .post-title {
  max-width: 920px;
  font-size: clamp(2.25rem, 5vw, 4.6rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

#page-header #post-meta {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.layout {
  width: min(1280px, calc(100% - 3rem));
  max-width: 1280px;
  padding-top: 5rem;
}

#recent-posts > .recent-post-item,
.card-widget,
#post,
#page,
#archive,
#tag,
#category {
  border: 1px solid var(--cc-line);
  background: var(--cc-card);
  box-shadow: var(--cc-shadow);
  backdrop-filter: blur(14px);
}

#recent-posts > .recent-post-item {
  min-height: 300px;
  margin-bottom: 2rem;
  border-radius: var(--cc-radius-xl);
  transition: transform 260ms ease, box-shadow 260ms ease, border-color 260ms ease;
}

#recent-posts > .recent-post-item:hover {
  border-color: rgba(185, 88, 50, 0.32);
  box-shadow: 0 24px 64px rgba(61, 49, 40, 0.14);
  transform: translateY(-5px);
}

#recent-posts .post_cover {
  overflow: hidden;
  min-height: 300px;
}

#recent-posts .post_cover img.post_bg {
  object-fit: contain;
  background: var(--cc-paper-deep);
  transition: transform 650ms cubic-bezier(.2,.8,.2,1), filter 300ms ease;
}

#recent-posts > .recent-post-item:hover .post_cover img.post_bg {
  filter: saturate(1.05) contrast(1.02);
  transform: scale(1.035);
}

#recent-posts .recent-post-info {
  padding: 2.25rem clamp(1.6rem, 3vw, 3.25rem);
}

#recent-posts .recent-post-info .article-title {
  color: var(--cc-ink);
  font-family: var(--font-serif);
  font-size: clamp(1.45rem, 2.2vw, 2rem);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

#recent-posts .recent-post-info .article-meta-wrap {
  margin: 0.9rem 0 1.1rem;
  color: var(--cc-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.025em;
}

#recent-posts .recent-post-info .content {
  color: var(--cc-ink-soft);
  font-size: 0.98rem;
  line-height: 1.85;
  text-align: left;
}

.card-widget {
  border-radius: 20px;
}

#aside-content .card-info .author-info__name {
  margin-top: 1rem;
  color: var(--cc-ink);
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
}

#aside-content .card-info .author-info__description,
#aside-content .item-headline,
#aside-content .announcement_content,
#aside-content .card-webinfo {
  color: var(--cc-ink-soft);
}

#aside-content .card-info .card-info-social-icons i,
#aside-content .card-info .card-info-data > .card-info-data-item a {
  color: var(--cc-ink);
}

#aside-content .card-info #card-info-btn {
  border-radius: 9px;
  background: var(--cc-ink);
  transition: transform 180ms ease, background 180ms ease;
}

#aside-content .card-info #card-info-btn:hover {
  background: var(--cc-accent);
  transform: translateY(-2px);
}

#aside-content .card-info #card-info-btn:active {
  transform: translateY(1px) scale(0.99);
}

#aside-content .card-info .avatar-img {
  border-radius: 25%;
}

#post,
#page,
#archive,
#tag,
#category {
  padding: clamp(1.5rem, 4vw, 3.75rem);
  border-radius: var(--cc-radius-xl);
}

#article-container {
  color: var(--cc-ink-soft);
  font-size: 1.04rem;
  line-height: 1.95;
}

#article-container > * {
  max-width: 760px;
  margin-right: auto;
  margin-left: auto;
}

#article-container > figure,
#article-container > .highlight,
#article-container > table,
#article-container > .legacy-image-notice {
  max-width: 900px;
}

#article-container p {
  margin: 1.15rem auto;
  text-wrap: pretty;
}

#article-container h1,
#article-container h2,
#article-container h3,
#article-container h4 {
  color: var(--cc-ink);
  font-weight: 750;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

#article-container h2 {
  margin-top: 3.6rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--cc-line);
  font-size: clamp(1.75rem, 3vw, 2.35rem);
}

#article-container h3 {
  margin-top: 2.8rem;
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
}

#article-container h4 {
  margin-top: 2.2rem;
  font-size: 1.18rem;
}

#article-container a {
  color: var(--cc-accent-deep);
  text-decoration-color: rgba(185, 88, 50, 0.35);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.24em;
}

#article-container a:hover {
  color: var(--cc-accent);
  text-decoration-color: currentColor;
}

#article-container blockquote {
  padding: 1.25rem 1.5rem;
  border-left: 5px solid var(--cc-accent);
  border-radius: 0 12px 12px 0;
  background: rgba(185, 88, 50, 0.08);
  color: var(--cc-ink-soft);
}

#article-container code {
  border-radius: 5px;
  font-family: var(--font-mono);
}

#article-container .highlight {
  margin: 1.65rem auto;
  border: 1px solid var(--cc-line);
  border-radius: 14px;
  box-shadow: 0 12px 28px rgba(31, 41, 43, 0.07);
}

#article-container table {
  overflow: hidden;
  border: 1px solid var(--cc-line);
  border-radius: 12px;
}

#article-container table thead {
  background: rgba(185, 88, 50, 0.09);
}

#article-container img {
  border-radius: 14px;
  box-shadow: 0 16px 40px rgba(61, 49, 40, 0.13);
}

.legacy-image-notice {
  position: relative;
  overflow: hidden;
  margin: 2rem auto;
  border: 1px solid var(--cc-line);
  border-radius: 18px;
  background: var(--cc-paper-deep);
}

.legacy-image-notice img {
  display: block;
  width: 100%;
  margin: 0;
  border-radius: 0 !important;
  box-shadow: none !important;
}

.legacy-image-notice figcaption {
  padding: 0.85rem 1.1rem;
  color: var(--cc-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.6;
}

.legacy-image-notice figcaption strong {
  color: var(--cc-ink);
  font-weight: 600;
}

.post-copyright {
  border: 1px solid var(--cc-line);
  border-radius: 16px;
  background: var(--cc-paper-deep);
  box-shadow: none;
}

.post-copyright::before {
  color: var(--cc-accent);
}

#pagination .page-number,
#pagination .extend,
#pagination .pagination span {
  border-radius: 8px;
}

#pagination .page-number.current {
  background: var(--cc-accent);
}

#footer {
  background: var(--cc-ink);
}

#footer-wrap {
  color: rgba(242, 239, 232, 0.78);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
}

#rightside > div > button,
#rightside > div > a {
  background: var(--cc-ink);
  color: var(--cc-paper);
}

#rightside > div > button:hover,
#rightside > div > a:hover {
  background: var(--cc-accent);
}

.search-dialog {
  border: 1px solid var(--cc-line);
  border-radius: 22px;
  background: var(--cc-paper);
  box-shadow: 0 28px 90px rgba(20, 27, 29, 0.25);
}

.search-dialog .search-dialog__title,
.local-search-box input {
  color: var(--cc-ink);
}

@media (max-width: 900px) {
  #nav {
    padding: 0 1.4rem;
  }

  #page-header.full_page {
    min-height: 620px;
    height: 76dvh;
    background-position: 32% center;
  }

  #page-header.full_page #site-info {
    width: calc(100% - 2.6rem);
  }

  #page-header.full_page #site-title {
    max-width: 78%;
    font-size: clamp(3.1rem, 15vw, 5.3rem);
  }

  #site-subtitle {
    max-width: 72%;
    font-size: 0.9rem;
    line-height: 1.7;
  }

  .layout {
    width: calc(100% - 1.5rem);
    padding-top: 2.5rem;
  }

  #recent-posts > .recent-post-item {
    min-height: 0;
  }

  #recent-posts .post_cover {
    min-height: 230px;
  }

  #post,
  #page,
  #archive,
  #tag,
  #category {
    padding: 1.35rem;
    border-radius: 20px;
  }

  #article-container {
    font-size: 1rem;
    line-height: 1.88;
  }
}

@media (max-width: 600px) {
  #page-header.full_page {
    min-height: 560px;
    height: 72dvh;
    background-position: 27% center;
  }

  #page-header.full_page #site-title {
    max-width: 85%;
    letter-spacing: -0.08em;
  }

  #scroll-down {
    right: 1.5rem;
  }

  #page-header #post-info .post-title {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  #recent-posts .recent-post-info {
    padding: 1.5rem;
  }

  #recent-posts > .recent-post-item {
    border-radius: 20px;
  }

  #article-container h2 {
    margin-top: 3rem;
  }

  .legacy-image-notice figcaption {
    font-size: 0.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}