@import url('https://fonts.googleapis.com/css2?family=Atkinson+Hyperlegible:wght@400;700&display=swap');

/* ── 自定义属性 ── */
:root {
  --c-primary: #eb879c;
  --c-secondary: #ffb6c1;
  --c-dark: #26171a;
  --c-dark-80: rgba(38,23,26,0.8);
  --c-dark-40: rgba(38,23,26,0.4);
  --c-dark-10: rgba(38,23,26,0.08);
  --c-primary-deep: #c9536e;
  --c-bg: #fff5f7;
  --c-surface: #ffffff;
  --c-surface2: #fff0f3;
  --c-text: #26171a;
  --c-text-soft: #5c3640;
  --c-border: rgba(235,135,156,0.25);
  --c-announce: #c9536e;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-card: 0 2px 8px rgba(235,135,156,0.18), 0 1px 3px rgba(38,23,26,0.10);
  --shadow-hover: 0 6px 20px rgba(235,135,156,0.30), 0 2px 8px rgba(38,23,26,0.12);
  --shadow-nav: 0 2px 12px rgba(38,23,26,0.10);
  --anim-fast: 200ms ease;
  --anim-std: 280ms ease;
  --font-main: 'Atkinson Hyperlegible', system-ui, -apple-system, sans-serif;
}

/* ── 重置 ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font: 400 16px/1.7 var(--font-main);
  background: var(--c-bg);
  color: var(--c-text);
  padding: 0;
  margin: 0;
}
img { display: block; width: 100%; height: auto; }
a { color: var(--c-primary-deep); text-decoration: none; }
a:hover { color: var(--c-primary); }
a:focus-visible {
  outline: 2.5px solid var(--c-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }
p { margin: 0; }
h1,h2,h3,h4 { margin: 0; line-height: 1.3; font-weight: 700; }
table { border-collapse: collapse; width: 100%; }

/* ── 公告条 ── */
.site-announce {
  background: var(--c-announce);
  color: #fff;
  font-size: 13px;
  padding-block: 7px;
  padding-inline: 1rem;
  text-align: center;
  font-weight: 700;
}

/* ── 顶部导航：两行结构 ── */
.site-header {
  background: var(--c-surface);
  box-shadow: var(--shadow-nav);
  position: sticky;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
}
.brand-row {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.5rem;
  border-block-end: 1px solid var(--c-border);
}
.brand-link {
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--c-dark);
  background: linear-gradient(90deg, var(--c-primary), var(--c-primary-deep));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.brand-tagline {
  font-size: 13px;
  color: var(--c-text-soft);
  justify-self: end;
}
.main-nav {
  padding-inline: 1rem;
  background: var(--c-surface2);
}
.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}
.nav-item a {
  display: block;
  padding: 0.65rem 1rem;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-dark);
  border-radius: var(--radius-sm);
  animation: navFadeIn var(--anim-std) both;
  animation-delay: calc(var(--i, 0) * 40ms);
}
.nav-item a:hover,
.nav-item a[aria-current] {
  color: var(--c-primary-deep);
  background: rgba(235,135,156,0.12);
}

@keyframes navFadeIn {
  from { opacity: 0; translate: 0 -6px; }
  to   { opacity: 1; translate: 0 0; }
}

/* ── 面包屑 ── */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.5rem;
  font-size: 13px;
  color: var(--c-text-soft);
  padding-block-end: 0.5rem;
}
.breadcrumb li + li::before { content: '/'; margin-inline-end: 0.5rem; color: var(--c-border); }
.breadcrumb a { color: var(--c-text-soft); }
.breadcrumb a:hover { color: var(--c-primary-deep); }

/* ── 主体 ── */
.page-main {
  padding-block: 2rem;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

/* ── 内容容器（契约：main > article > div > div）── */
.content-wrap {
  display: grid;
  gap: 2rem;
}

/* ── prose ── */
.prose-section,
.entry-prose,
.about-prose,
.privacy-prose {
  background: var(--c-surface);
  border-radius: var(--radius);
  padding: clamp(1rem, 4vw, 2rem);
  box-shadow: var(--shadow-card);
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-text);
  width: clamp(280px, 100%, 860px);
}
.prose-section h2,
.entry-prose h2,
.about-prose h2,
.privacy-prose h2 {
  font-size: 1.2rem;
  color: var(--c-primary-deep);
  padding-block: 1.2rem 0.4rem;
}
.prose-section h3,
.entry-prose h3,
.about-prose h3,
.privacy-prose h3 {
  font-size: 1.05rem;
  color: var(--c-dark);
  padding-block: 0.8rem 0.3rem;
}
.prose-section p,
.entry-prose p,
.about-prose p,
.privacy-prose p {
  padding-block-end: 0.8rem;
}
.prose-section a,
.entry-prose a,
.about-prose a,
.privacy-prose a {
  color: var(--c-primary-deep);
  text-decoration: underline;
  text-decoration-color: rgba(235,135,156,0.4);
  text-underline-offset: 3px;
}

/* ── 区块标题 ── */
.section-heading,
.aside-title,
.about-links-title {
  font-size: 1.15rem;
  color: var(--c-dark);
  padding-block-end: 0.75rem;
  border-block-end: 2px solid var(--c-primary);
  display: inline-block;
}
.section-block {
  background: var(--c-surface);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
}

/* ── 首页 Hero ── */
.hero-wrap {
  background: linear-gradient(160deg, var(--c-dark) 0%, #3d1f25 60%, #5a2a35 100%);
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  padding: clamp(3rem, 15vw, 6rem) 2rem;
  margin-block-end: 2rem;
  position: relative;
  min-block-size: 55vh;
}
.hero-inner {
  display: grid;
  gap: 1.25rem;
  justify-items: center;
  text-align: center;
  place-content: center;
}
.hero-h1 {
  font-size: clamp(1.6rem, 5vw, 3rem);
  color: #fff;
  line-height: 1.25;
}
.hero-sub {
  font-size: clamp(0.95rem, 2.5vw, 1.15rem);
  color: rgba(255,182,193,0.9);
  max-inline-size: 54ch;
}
.hero-cta {
  display: inline-block;
  background: var(--c-primary);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  padding: 0.8rem 2rem;
  border-radius: calc(var(--radius) * 2);
  box-shadow: 0 4px 14px rgba(235,135,156,0.45);
  animation: heroBtn var(--anim-std) 300ms both;
}
.hero-cta:hover {
  background: var(--c-primary-deep);
  color: #fff;
  box-shadow: var(--shadow-hover);
}
@keyframes heroBtn {
  from { opacity: 0; scale: 0.93; }
  to   { opacity: 1; scale: 1; }
}

/* ── 首页：子页卡片列表（table） ── */
.child-table,
.cat-child-table {
  width: 100%;
}
.child-row,
.cat-child-row {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 0.75rem;
  align-items: start;
  padding: 1rem;
  border-radius: var(--radius);
  background: var(--c-surface2);
  animation: rowFadeIn var(--anim-std) both;
  animation-delay: var(--delay, 0ms);
}
.child-row + .child-row,
.cat-child-row + .cat-child-row { margin-block-start: 0.75rem; }
.child-row:hover,
.cat-child-row:hover {
  background: rgba(235,135,156,0.08);
  box-shadow: var(--shadow-hover);
}
.child-td-img,
.cat-img-td { display: block; }
.child-td-img img,
.cat-img-td img {
  border-radius: var(--radius-sm);
  aspect-ratio: 16/9;
  object-fit: cover;
  height: auto;
}
.child-td-body,
.cat-body-td {
  display: grid;
  gap: 0.35rem;
}
.child-title,
.cat-child-link {
  font-weight: 700;
  font-size: 1rem;
  color: var(--c-dark);
}
.child-title:hover,
.cat-child-link:hover { color: var(--c-primary-deep); }
.child-desc,
.cat-child-desc {
  font-size: 14px;
  color: var(--c-text-soft);
  line-height: 1.5;
}
.child-date,
.cat-child-date {
  font-size: 12px;
  color: var(--c-dark-40);
}
.cat-arrow-td {
  display: grid;
  place-items: center end;
  align-self: center;
  padding-inline-start: 0.5rem;
}
.arrow-icon {
  font-size: 1.4rem;
  color: var(--c-primary);
  font-weight: 700;
}

/* ── 首页文章列表（table） ── */
.entry-table { width: 100%; }
.entry-row {
  display: grid;
  grid-template-columns: 3rem 1fr auto;
  gap: 0.5rem 0.75rem;
  align-items: center;
  padding: 0.75rem 0.5rem;
  border-radius: var(--radius-sm);
  animation: rowFadeIn var(--anim-std) both;
  animation-delay: var(--delay, 0ms);
}
.entry-row + .entry-row { border-block-start: 1px solid var(--c-border); }
.entry-row:hover { background: var(--c-surface2); }
.entry-td-num { display: block; }
.entry-num {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  background: var(--c-primary);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  border-radius: var(--radius-sm);
}
.entry-td-body { display: grid; gap: 0.2rem; }
.entry-link { font-weight: 700; font-size: 0.95rem; color: var(--c-dark); }
.entry-link:hover { color: var(--c-primary-deep); }
.entry-desc { font-size: 13px; color: var(--c-text-soft); }
.entry-td-date { font-size: 12px; color: var(--c-dark-40); white-space: nowrap; }

@keyframes rowFadeIn {
  from { opacity: 0; translate: 0 8px; }
  to   { opacity: 1; translate: 0 0; }
}

/* ── 栏目页 ── */
.cat-header-wrap,
.entry-header-wrap,
.about-header-wrap,
.privacy-header-wrap {
  padding-block-end: 1.5rem;
}
.cat-h1,
.about-h1,
.privacy-h1 {
  font-size: clamp(1.4rem, 4vw, 2.2rem);
  color: var(--c-dark);
  padding-block: 0.5rem;
}
.cat-lead {
  font-size: 1rem;
  color: var(--c-text-soft);
  padding-block-start: 0.25rem;
}

/* ── 文章页 ── */
.entry-article { display: grid; gap: 0; }
.entry-hero { border-radius: var(--radius); overflow: hidden; margin-block-end: 1.25rem; }
.entry-hero-img { width: 100%; border-radius: var(--radius); }
.entry-meta-block { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; padding-block: 0.25rem; }
.entry-date,
.entry-date-mod {
  font-size: 13px;
  color: var(--c-text-soft);
  background: var(--c-surface2);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
}
.entry-h1 {
  font-size: clamp(1.4rem, 4vw, 2.2rem);
  color: var(--c-dark);
  padding-block: 0.5rem 0.25rem;
}
.entry-lead {
  font-size: 1rem;
  color: var(--c-text-soft);
}
.entry-siblings {
  background: var(--c-surface);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-card);
}
.sib-table { width: 100%; }
.sib-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
  align-items: center;
  padding: 0.65rem 0;
  animation: rowFadeIn var(--anim-std) both;
  animation-delay: var(--delay, 0ms);
}
.sib-row + .sib-row { border-block-start: 1px solid var(--c-border); }
.sib-td-title a { font-size: 0.95rem; font-weight: 700; color: var(--c-dark); }
.sib-td-title a:hover { color: var(--c-primary-deep); }
.sib-td-date { font-size: 12px; color: var(--c-dark-40); }
.entry-nav-back { padding-block-start: 0.5rem; }
.back-link {
  display: inline-grid;
  place-items: center;
  padding: 0.6rem 1.25rem;
  background: var(--c-surface);
  border: 1.5px solid var(--c-primary);
  border-radius: var(--radius);
  font-weight: 700;
  color: var(--c-primary-deep);
  font-size: 0.95rem;
}
.back-link:hover {
  background: var(--c-primary);
  color: #fff;
}

/* ── About 页 ── */
.about-links-block {
  background: var(--c-surface);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
}
.about-link-table td { padding: 0.55rem 1rem 0.55rem 0; }
.about-link-table td + td { padding-inline-start: 1rem; border-inline-start: 1px solid var(--c-border); }
.about-link-table tr + tr td { border-block-start: 1px solid var(--c-border); }
.about-link-table a { font-weight: 700; color: var(--c-primary-deep); }
.about-link-table a:hover { color: var(--c-primary); }

/* ── Privacy 页 ── */
.privacy-date { font-size: 13px; color: var(--c-text-soft); }
.privacy-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding-block-start: 0.5rem;
}
.privacy-footer-links a {
  display: inline-block;
  padding: 0.6rem 1.25rem;
  background: var(--c-surface);
  border: 1.5px solid var(--c-primary);
  border-radius: var(--radius);
  font-weight: 700;
  color: var(--c-primary-deep);
}
.privacy-footer-links a:hover { background: var(--c-primary); color: #fff; }

/* ── 页脚 ── */
.site-footer {
  background: var(--c-dark);
  color: rgba(255,182,193,0.75);
  padding-block: 3rem 1.5rem;
  padding-inline: clamp(1rem, 5vw, 3rem);
  margin-block-start: 3rem;
}
.footer-brand-row {
  text-align: center;
  padding-block-end: 2rem;
}
.footer-brand-big {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 700;
  color: var(--c-primary);
  display: block;
  line-height: 1;
}
.footer-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem 2rem;
  padding-block-end: 2rem;
  border-block-end: 1px solid rgba(235,135,156,0.2);
}
.footer-col-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--c-secondary);
  padding-block-end: 0.75rem;
  text-transform: uppercase;
}
.footer-links { display: grid; gap: 0.5rem; }
.footer-links a {
  font-size: 14px;
  color: rgba(255,182,193,0.65);
  padding-block: 0.25rem;
  display: block;
}
.footer-links a:hover { color: var(--c-primary); }
.footer-bottom { padding-block-start: 1.25rem; text-align: center; }
.footer-copy { font-size: 13px; color: rgba(255,182,193,0.45); }

/* ── 响应式 ── */
@media (width <= 900px) {
  .footer-cols { grid-template-columns: repeat(2, 1fr); }
}
@media (width <= 640px) {
  .brand-row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
  .brand-tagline { justify-self: start; }
  .nav-list { flex-direction: column; }
  .nav-item a { padding: 0.6rem 0.75rem; font-size: 15px; min-height: 44px; display: grid; align-items: center; }
  .hero-wrap { padding-block: 3.5rem 4rem; min-block-size: 100dvh; }
  .footer-cols { grid-template-columns: 1fr 1fr; gap: 1.25rem; }
  .child-row,
  .cat-child-row { grid-template-columns: 1fr; }
  .child-td-img,
  .cat-img-td { display: none; }
  .entry-row { grid-template-columns: 2.5rem 1fr; }
  .entry-td-date { display: none; }
  .footer-brand-big { font-size: 2.5rem; }
  .about-link-table { display: block; }
  .about-link-table tbody { display: grid; gap: 0.5rem; }
  .about-link-table tr { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }
  .about-link-table td { border: none !important; padding: 0.4rem 0; }
}
@media (width <= 420px) {
  .footer-cols { grid-template-columns: 1fr; }
  .sib-row { grid-template-columns: 1fr; }
  .sib-td-date { display: none; }
}

/* ── 无障碍：减少动效 ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; }
  .hero-cta { animation: none !important; }
}