/* ── 变量 ── */
:root {
  --c-brick: #8B2C2C;
  --c-rose: #D4A0A0;
  --c-night: #1A1A2E;
  --c-paper: #F4F1EC;
  --c-fold: #E8E3DA;
  --c-ink: #2A2A38;
  --c-rule: #C4BDB2;
  --c-mist: #FAFAF7;
  --c-stamp: rgba(139,44,44,.10);
  --c-shadow: rgba(26,26,46,.10);
  --f-serif: "Noto Serif SC", Georgia, "Times New Roman", serif;
  --sz-base: 1.0625rem;
  --sz-sm: 0.875rem;
  --sz-lg: 1.25rem;
  --sz-xl: 1.75rem;
  --sz-3xl: clamp(2rem, 5vw, 3.5rem);
  --lh: 1.75;
  --lh-tight: 1.35;
  --w-content: 72rem;
  --w-prose: 44rem;
  --sh-card: 0 2px 6px var(--c-shadow), 0 0 0 1px rgba(196,189,178,.45);
  --sh-lift: 0 8px 28px var(--c-shadow);
  --r-sm: 3px;
  --r-md: 6px;
  --dur: 240ms;
}

/* ── 重置 ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background-color: var(--c-paper);
  color: var(--c-ink);
  font-family: var(--f-serif);
  font-size: var(--sz-base);
  line-height: var(--lh);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-inline-size: 100%; block-size: auto; display: block; }
a { color: var(--c-brick); text-decoration-color: var(--c-rose); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--c-brick); }
h1,h2,h3,h4 {
  line-height: var(--lh-tight);
  color: var(--c-night);
  font-weight: 700;
  margin-block-end: 0.75rem;
  margin-block-start: 0;
}
p { margin-block-end: 1rem; margin-block-start: 0; }
ul, ol { padding-inline-start: 1.5rem; margin-block-end: 1rem; margin-block-start: 0; }
li { margin-block-end: 0.35rem; }

/* ── 外壳 ── */
.clinic-shell {
  display: flex;
  flex-direction: column;
  min-block-size: 100dvh;
}

/* ── 标题栏 ── */
.shell-head {
  background-color: var(--c-night);
  position: sticky;
  inset-block-start: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(26,26,46,.4);
}
.shell-head-inner {
  max-inline-size: var(--w-content);
  margin-inline: auto;
  padding-block: 0.875rem;
  padding-inline: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  row-gap: 0.5rem;
  column-gap: 1.5rem;
}
.shell-brand {
  color: var(--c-paper);
  text-decoration: none;
  font-size: var(--sz-lg);
  font-weight: 700;
  letter-spacing: .04em;
  display: inline-flex;
  align-items: center;
  column-gap: 0.5rem;
  padding-block: 0.25rem;
  white-space: nowrap;
}
.shell-brand-cross {
  display: inline-block;
  inline-size: 20px;
  block-size: 20px;
  background-color: var(--c-brick);
  clip-path: polygon(40% 0%,60% 0%,60% 40%,100% 40%,100% 60%,60% 60%,60% 100%,40% 100%,40% 60%,0% 60%,0% 40%,40% 40%);
  flex-shrink: 0;
}
.shell-brand:hover { color: var(--c-rose); text-decoration: none; }
.shell-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  row-gap: 0.25rem;
  column-gap: 0.125rem;
  list-style: none;
  padding-block: 0;
  padding-inline: 0;
  margin-block: 0;
  margin-inline: 0;
}
.shell-nav a {
  color: rgba(244,241,236,.75);
  text-decoration: none;
  font-size: var(--sz-sm);
  padding-block: 0.5rem;
  padding-inline: 0.75rem;
  border-radius: var(--r-sm);
  white-space: nowrap;
  transition-property: color, background-color;
  transition-duration: var(--dur);
  transition-timing-function: ease;
  min-block-size: 40px;
  display: flex;
  align-items: center;
}
.shell-nav a:hover,
.shell-nav a[aria-current] {
  color: var(--c-paper);
  background-color: rgba(139,44,44,.4);
}

/* ── 正文区 ── */
.shell-body { flex: 1; }

/* ── 页脚 ── */
.shell-foot {
  background-color: var(--c-night);
  color: rgba(244,241,236,.55);
  font-size: var(--sz-sm);
  padding-block: 2.5rem;
  padding-inline: 1.25rem;
}
.shell-foot-inner {
  max-inline-size: var(--w-content);
  margin-inline: auto;
  display: grid;
  grid: auto / 1fr auto;
  align-items: center;
  row-gap: 1rem;
  column-gap: 2rem;
}
.shell-foot-links {
  display: flex;
  flex-wrap: wrap;
  row-gap: 0.5rem;
  column-gap: 1.25rem;
  list-style: none;
  padding-block: 0;
  padding-inline: 0;
  margin-block: 0;
  margin-inline: 0;
}
.shell-foot-links a {
  color: var(--c-rose);
  text-decoration: none;
  padding-block: 0.5rem;
  min-block-size: 40px;
  display: inline-flex;
  align-items: center;
}
.shell-foot-links a:hover { text-decoration: underline; text-underline-offset: 3px; }
.shell-foot-copy { text-align: end; }

/* ── Hero（首页）── */
.home-hero {
  background-color: var(--c-night);
  position: relative;
  overflow: hidden;
  min-block-size: 520px;
  display: grid;
  place-items: center;
  text-align: center;
  padding-block: 5rem;
  padding-inline: 1.25rem;
}
.home-hero-backdrop {
  position: absolute;
  inset: 0;
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
  object-position: center;
}
.home-hero-veil {
  position: absolute;
  inset: 0;
  background-color: rgba(26,26,46,.65);
  z-index: 1;
}
.home-hero-content {
  position: relative;
  z-index: 2;
  max-inline-size: 52rem;
}
.hero-eyebrow {
  display: inline-block;
  background-color: var(--c-brick);
  color: var(--c-paper);
  font-size: var(--sz-sm);
  letter-spacing: .14em;
  padding-block: 0.3rem;
  padding-inline: 0.875rem;
  border-radius: var(--r-sm);
  margin-block-end: 1rem;
  text-transform: uppercase;
  font-weight: 600;
}
.home-hero h1 {
  color: var(--c-paper);
  font-size: var(--sz-3xl);
  margin-block-end: 1.25rem;
  text-shadow: 0 2px 12px rgba(0,0,0,.4);
}
.home-hero-lead {
  color: rgba(244,241,236,.82);
  font-size: var(--sz-lg);
  margin-block-end: 2rem;
  line-height: var(--lh);
}
.btn-brick {
  display: inline-flex;
  align-items: center;
  column-gap: 0.5rem;
  background-color: var(--c-brick);
  color: var(--c-paper);
  text-decoration: none;
  padding-block: 0.8rem;
  padding-inline: 1.875rem;
  border-radius: var(--r-sm);
  font-weight: 600;
  font-size: var(--sz-base);
  transition-property: background-color, transform, box-shadow;
  transition-duration: var(--dur);
  transition-timing-function: ease;
  box-shadow: 0 2px 10px rgba(139,44,44,.38);
  min-block-size: 48px;
}
.btn-brick:hover {
  background-color: #6E2222;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(139,44,44,.42);
  color: var(--c-paper);
  text-decoration: none;
}

/* ── 首页卡片栏 ── */
.home-cards-wrap {
  padding-block: 4.5rem;
  padding-inline: 1.25rem;
  background-color: var(--c-fold);
}
.section-heading {
  max-inline-size: var(--w-content);
  margin-inline: auto;
  margin-block-end: 2rem;
}
.section-heading h2 { font-size: var(--sz-xl); margin-block-end: 0; }
.section-heading-rule {
  inline-size: 36px;
  block-size: 3px;
  background-color: var(--c-brick);
  border-radius: 2px;
  margin-block-start: 0.6rem;
}
.cards-grid {
  max-inline-size: var(--w-content);
  margin-inline: auto;
  display: grid;
  grid: auto / repeat(auto-fill, minmax(260px, 1fr));
  row-gap: 1.5rem;
  column-gap: 1.5rem;
}

/* ── 文件夹卡 ── */
.file-card {
  background-color: var(--c-mist);
  border-radius: var(--r-md);
  box-shadow: var(--sh-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition-property: transform, box-shadow;
  transition-duration: var(--dur);
  transition-timing-function: ease;
}
.file-card-tab {
  block-size: 5px;
  background-color: var(--c-brick);
  flex-shrink: 0;
}
.file-card:hover { transform: translateY(-4px); box-shadow: var(--sh-lift); }
.file-card-body {
  padding-block: 1.5rem;
  padding-inline: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.file-card-label {
  font-size: 0.7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-brick);
  font-weight: 600;
  margin-block-end: 0.5rem;
  display: flex;
  align-items: center;
  column-gap: 0.375rem;
}
.file-card-label::before { content: '▸'; font-size: 0.65em; }
.file-card-body h3 {
  font-size: var(--sz-lg);
  margin-block-end: 0.75rem;
  color: var(--c-night);
}
.file-card-desc {
  font-size: var(--sz-sm);
  color: #575766;
  flex: 1;
  margin-block-end: 1.25rem;
  line-height: 1.65;
}
.file-card-cta {
  align-self: flex-start;
  font-size: var(--sz-sm);
  font-weight: 600;
  color: var(--c-brick);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  column-gap: 0.3rem;
  padding-block: 0.5rem;
  min-block-size: 40px;
}
.file-card-cta::after {
  content: '→';
  transition-property: transform;
  transition-duration: var(--dur);
}
.file-card:hover .file-card-cta::after { transform: translateX(4px); }

/* ── 首页简介区 ── */
.home-about-strip {
  padding-block: 4rem;
  padding-inline: 1.25rem;
  background-color: var(--c-mist);
}
.home-about-inner {
  max-inline-size: var(--w-content);
  margin-inline: auto;
  display: grid;
  grid: auto / 1fr 1fr;
  row-gap: 2rem;
  column-gap: 4rem;
  align-items: center;
}
.home-about-text h2 { font-size: var(--sz-xl); margin-block-end: 0.75rem; }
.home-about-rule {
  inline-size: 40px;
  block-size: 3px;
  background-color: var(--c-brick);
  margin-block-end: 1.25rem;
  border-radius: 2px;
}
.home-about-visual {
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--sh-lift);
  aspect-ratio: 16/9;
  background-color: var(--c-fold);
  display: flex;
  place-items: center;
  justify-content: center;
}
.home-about-visual img { inline-size: 100%; block-size: 100%; object-fit: cover; }

/* ── 内页顶部 ── */
.page-banner {
  background-color: var(--c-night);
  padding-block: 3rem;
  padding-inline: 1.25rem;
  position: relative;
  overflow: hidden;
}
.page-banner::after {
  content: '';
  position: absolute;
  inset-inline-end: -60px;
  inset-block-start: -60px;
  inline-size: 300px;
  block-size: 300px;
  background-color: var(--c-brick);
  border-radius: 50%;
  opacity: 0.10;
  pointer-events: none;
}
.page-banner-inner {
  max-inline-size: var(--w-content);
  margin-inline: auto;
  position: relative;
  z-index: 1;
}
.page-banner-tag {
  display: inline-flex;
  align-items: center;
  column-gap: 0.4rem;
  border: 1px solid rgba(212,160,160,.4);
  color: var(--c-rose);
  font-size: 0.75rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-weight: 600;
  padding-block: 0.25rem;
  padding-inline: 0.625rem;
  border-radius: var(--r-sm);
  margin-block-end: 0.875rem;
}
.page-banner h1 {
  color: var(--c-paper);
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  margin-block-end: 0.75rem;
}
.page-banner-desc {
  color: rgba(244,241,236,.7);
  font-size: var(--sz-base);
  max-inline-size: 44rem;
  line-height: var(--lh);
  margin-block-end: 0;
}

/* ── 面包屑 ── */
.breadcrumb {
  max-inline-size: var(--w-content);
  margin-inline: auto;
  padding-block: 0.75rem;
  padding-inline: 1.25rem;
  font-size: var(--sz-sm);
  display: flex;
  align-items: center;
  column-gap: 0.5rem;
  flex-wrap: wrap;
  row-gap: 0.25rem;
}
.breadcrumb a { color: var(--c-brick); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; text-underline-offset: 3px; }
.breadcrumb-sep { color: var(--c-rule); }
.breadcrumb-now { color: var(--c-ink); opacity: 0.6; }

/* ── 文章布局 ── */
.article-wrap {
  padding-block: 3.5rem;
  padding-inline: 1.25rem;
}
.article-inner {
  max-inline-size: var(--w-content);
  margin-inline: auto;
  display: grid;
  grid: auto / 1fr 272px;
  row-gap: 0;
  column-gap: 3rem;
  align-items: start;
}
.article-main { min-inline-size: 0; }

/* ── 文章内容样式 ── */
.article-main h2 {
  font-size: var(--sz-xl);
  margin-block-end: 0.75rem;
  margin-block-start: 2.5rem;
  padding-block-start: 1.5rem;
  border-block-start: 2px solid var(--c-fold);
  color: var(--c-night);
}
.article-main h3 {
  font-size: var(--sz-lg);
  margin-block-end: 0.5rem;
  margin-block-start: 1.75rem;
  color: var(--c-night);
}
.article-main table {
  inline-size: 100%;
  border-collapse: collapse;
  margin-block-end: 1.5rem;
  font-size: var(--sz-sm);
  overflow-x: auto;
  display: block;
}
.article-main th {
  background-color: var(--c-fold);
  padding-block: 0.5rem;
  padding-inline: 0.75rem;
  text-align: start;
  font-weight: 600;
  border-block-end: 2px solid var(--c-rule);
  white-space: nowrap;
}
.article-main td {
  padding-block: 0.5rem;
  padding-inline: 0.75rem;
  border-block-end: 1px solid var(--c-rule);
}
.article-main blockquote {
  border-inline-start: 3px solid var(--c-brick);
  background-color: var(--c-stamp);
  padding-block: 1rem;
  padding-inline: 1.25rem;
  margin-block: 1.5rem;
  margin-inline: 0;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}
.article-main blockquote p:last-child { margin-block-end: 0; }
.article-main strong { font-weight: 700; color: var(--c-night); }
.article-main ul li::marker { color: var(--c-brick); }
.article-main ol li::marker { color: var(--c-brick); font-weight: 700; }

/* ── 侧栏 ── */
.article-aside {
  position: sticky;
  inset-block-start: calc(60px + 1.5rem);
  min-inline-size: 0;
}
.aside-panel {
  background-color: var(--c-mist);
  border-radius: var(--r-md);
  box-shadow: var(--sh-card);
  overflow: hidden;
}
.aside-panel-head {
  background-color: var(--c-brick);
  color: var(--c-paper);
  font-size: var(--sz-sm);
  font-weight: 600;
  letter-spacing: .08em;
  padding-block: 0.625rem;
  padding-inline: 1rem;
}
.aside-panel-body {
  padding-block: 0.875rem;
  padding-inline: 1rem;
}
.aside-links {
  list-style: none;
  padding-block: 0;
  padding-inline: 0;
  margin-block: 0;
  margin-inline: 0;
}
.aside-links li { border-block-end: 1px solid var(--c-rule); }
.aside-links li:last-child { border-block-end: none; }
.aside-links a {
  display: flex;
  align-items: center;
  column-gap: 0.375rem;
  padding-block: 0.625rem;
  padding-inline: 0;
  font-size: var(--sz-sm);
  color: var(--c-ink);
  text-decoration: none;
  transition-property: color, padding-inline-start;
  transition-duration: var(--dur);
  min-block-size: 40px;
}
.aside-links a::before { content: '·'; color: var(--c-brick); flex-shrink: 0; }
.aside-links a:hover { color: var(--c-brick); padding-inline-start: 0.25rem; }
.aside-links a[aria-current] { color: var(--c-brick); font-weight: 600; }

/* ── 相关导航条 ── */
.rel-strip {
  background-color: var(--c-fold);
  padding-block: 3rem;
  padding-inline: 1.25rem;
}
.rel-strip-inner {
  max-inline-size: var(--w-content);
  margin-inline: auto;
}
.rel-strip h2 { font-size: var(--sz-lg); margin-block-end: 1.5rem; }
.rel-list {
  display: grid;
  grid: auto / repeat(auto-fill, minmax(220px, 1fr));
  row-gap: 1rem;
  column-gap: 1rem;
}
.rel-item {
  background-color: var(--c-mist);
  border-radius: var(--r-md);
  box-shadow: var(--sh-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition-property: transform, box-shadow;
  transition-duration: var(--dur);
  transition-timing-function: ease;
}
.rel-item-tab {
  block-size: 4px;
  background-color: var(--c-rose);
  flex-shrink: 0;
}
.rel-item:hover { transform: translateY(-3px); box-shadow: var(--sh-lift); }
.rel-item a {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding-block: 1.25rem;
  padding-inline: 1.25rem;
  text-decoration: none;
  color: inherit;
  min-block-size: 40px;
}
.rel-item a:hover { color: inherit; text-decoration: none; }
.rel-item-title {
  font-size: var(--sz-base);
  font-weight: 600;
  color: var(--c-night);
  margin-block-end: 0.5rem;
  line-height: var(--lh-tight);
}
.rel-item-desc { font-size: var(--sz-sm); color: #666; line-height: 1.6; }

/* ── 关于页 ── */
.about-wrap { padding-block: 4rem; padding-inline: 1.25rem; }
.about-inner { max-inline-size: 52rem; margin-inline: auto; }
.about-img-frame {
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: var(--sh-lift);
  margin-block-end: 2.5rem;
  aspect-ratio: 16/9;
  background-color: var(--c-fold);
}
.about-img-frame img { inline-size: 100%; block-size: 100%; object-fit: cover; }

/* ── 隐私页 ── */
.privacy-wrap { padding-block: 4rem; padding-inline: 1.25rem; }
.privacy-inner { max-inline-size: 52rem; margin-inline: auto; }
.privacy-inner h2 {
  font-size: var(--sz-lg);
  margin-block-start: 2rem;
  margin-block-end: 0.5rem;
  padding-block-start: 1.25rem;
  border-block-start: 1px solid var(--c-rule);
}
.privacy-inner h2:first-child { border-block-start: none; padding-block-start: 0; }

/* ── 提示框 ── */
.notice-box {
  border-inline-start: 3px solid var(--c-rose);
  background-color: rgba(212,160,160,.1);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  padding-block: 0.875rem;
  padding-inline: 1.125rem;
  margin-block-end: 1.5rem;
  font-size: var(--sz-sm);
}

/* ── 无障碍 ── */
:focus-visible {
  outline: 2px solid var(--c-brick);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}
.sr-only {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* ── 动效节制 ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ── 响应式 ── */
@media (max-width: 900px) {
  .article-inner { grid: auto / 1fr; }
  .article-aside { display: none; }
  .home-about-inner { grid: auto / 1fr; }
}
@media (max-width: 640px) {
  .shell-head-inner { flex-direction: column; align-items: flex-start; }
  .cards-grid { grid: auto / 1fr; }
  .rel-list { grid: auto / 1fr; }
  .shell-foot-inner { grid: auto / 1fr; text-align: center; }
  .shell-foot-copy { text-align: center; }
  .shell-foot-links { justify-content: center; }
  .home-hero { min-block-size: 400px; padding-block: 3.5rem; }
  .home-hero h1 { font-size: 1.75rem; }
  .page-banner { padding-block: 2.25rem; }
}