@import url('https://fonts.googleapis.com/css2?family=Cormorant:wght@400;500;600;700&family=Montserrat:wght@300;400;500;600;700&display=swap');

/* ─── 变量 ─── */
:root {
  --c-blue: #c8e0f4;
  --c-pink: #f5e0e8;
  --c-dark: #171f26;
  --c-blue-light: #ddeef9;
  --c-pink-light: #faeef3;
  --c-blue-mid: #a8c8e8;
  --c-pink-mid: #e8c4d4;
  --c-text: #1e2c38;
  --c-text-muted: #4a5a6a;
  --c-surface: #d8ecf8;
  --c-surface-pink: #f8eaf0;
  --shadow-out: -4px -4px 12px rgba(255,255,255,0.72), 4px 4px 14px rgba(180,200,220,0.55);
  --shadow-out-pink: -4px -4px 12px rgba(255,255,255,0.72), 4px 4px 14px rgba(210,175,195,0.5);
  --shadow-in: inset 2px 2px 6px rgba(160,185,210,0.5), inset -2px -2px 6px rgba(255,255,255,0.75);
  --shadow-press: inset 3px 3px 8px rgba(150,175,205,0.6), inset -2px -2px 6px rgba(255,255,255,0.6);
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-pill: 999px;
  --font-display: 'Cormorant', 'Georgia', serif;
  --font-ui: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;
  --max-prose: 72ch;
  --nav-h: 120px;
}

/* ─── 重置 ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-ui);
  background: var(--c-blue);
  color: var(--c-text);
  line-height: 1.7;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { list-style: none; }
img { display: block; max-width: 100%; height: auto; }
hr {
  border: none;
  border-top: 1px solid var(--c-blue-mid);
  margin: 0.75rem 0 1rem;
  opacity: 0.6;
}

/* ─── 页面骨架 ─── */
.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ─── 品牌栏（顶行）─── */
.brand-bar {
  background: linear-gradient(135deg, var(--c-dark) 0%, #1e2d3d 100%);
  padding: 0.9rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(23,31,38,0.35);
}
.brand-bar__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.brand-logo { display: flex; align-items: center; }
.brand-logo-img { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; }
.brand-name {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--c-blue);
  letter-spacing: 0.04em;
  text-decoration: none;
}
.brand-name:hover { color: var(--c-pink); text-decoration: none; }

/* ─── 侧边导航 aside > nav > ul > li > a ─── */
.site-aside {
  background: linear-gradient(180deg, var(--c-dark) 0%, #1a2635 100%);
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.site-aside::-webkit-scrollbar { display: none; }
.aside-nav {
  padding: 0.6rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}
.aside-nav ul {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.5rem;
  align-items: center;
  min-width: max-content;
}
.nav-pill {
  display: inline-block;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 500;
  font-family: var(--font-ui);
  color: var(--c-blue-light);
  background: rgba(200,224,244,0.1);
  border: 1px solid rgba(200,224,244,0.18);
  white-space: nowrap;
  transition: background 0.18s, color 0.18s, box-shadow 0.18s;
  min-height: 36px;
  line-height: 1.2;
  display: flex;
  align-items: center;
}
.nav-pill:hover {
  background: rgba(200,224,244,0.22);
  color: #fff;
  text-decoration: none;
}
.nav-pill--active {
  background: var(--c-blue);
  color: var(--c-dark);
  font-weight: 600;
  border-color: var(--c-blue);
}

/* ─── 布局主体 ─── */
.layout-body {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.main-content {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ─── 内容区块 ─── */
.content-section {
  padding: 2rem 0;
}

/* ─── 内联 aside + prose 布局 ─── */
.content-section--body,
.content-section--article-body,
.content-section--about-body,
.content-section--privacy-body,
.content-section--prose {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 2rem;
  align-items: start;
}
.inline-aside {
  grid-column: 2;
  grid-row: 1;
  background: linear-gradient(145deg, var(--c-surface-pink), var(--c-pink-light));
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-out-pink);
  position: sticky;
  top: 100px;
}
.prose, .article-prose, .about-prose, .privacy-prose, .home-prose {
  grid-column: 1;
  grid-row: 1;
  min-width: 0;
}

/* ─── prose 排版 ─── */
.prose h2, .article-prose h2, .about-prose h2, .privacy-prose h2, .home-prose h2 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--c-dark);
  margin: 2rem 0 0.2rem;
  letter-spacing: 0.02em;
}
.prose h3, .article-prose h3, .about-prose h3, .privacy-prose h3, .home-prose h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--c-text);
  margin: 1.5rem 0 0.2rem;
}
.prose h2 + hr, .article-prose h2 + hr,
.about-prose h2 + hr, .privacy-prose h2 + hr,
.home-prose h2 + hr {
  border-top-color: var(--c-pink-mid);
  opacity: 0.9;
  margin-bottom: 1rem;
}
.prose p, .article-prose p, .about-prose p,
.privacy-prose p, .home-prose p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--c-text);
  margin: 0.9rem 0;
}
.prose a, .article-prose a, .about-prose a,
.privacy-prose a, .home-prose a {
  color: #3a6fa5;
  text-decoration: underline;
  text-decoration-color: var(--c-blue-mid);
}
.prose ul, .prose ol,
.article-prose ul, .article-prose ol {
  margin: 0.8rem 0 0.8rem 1.4rem;
  list-style: disc;
}
.prose ol, .article-prose ol { list-style: decimal; }
.prose li, .article-prose li { margin: 0.3rem 0; line-height: 1.7; }
.prose strong, .article-prose strong { font-weight: 600; color: var(--c-dark); }
.prose table, .article-prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.2rem 0;
  font-size: 0.9rem;
}
.prose table th, .article-prose table th {
  background: var(--c-blue-mid);
  color: var(--c-dark);
  padding: 0.6rem 0.9rem;
  text-align: left;
  font-weight: 600;
}
.prose table td, .article-prose table td {
  padding: 0.55rem 0.9rem;
  border-bottom: 1px solid var(--c-blue-light);
}
.prose table tr:nth-child(even) td {
  background: rgba(200,224,244,0.2);
}

/* ─── aside 侧边内容 ─── */
.aside-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-dark);
  margin-bottom: 0.3rem;
}
.aside-title--mt { margin-top: 1.2rem; }
.aside-nav-list li { margin: 0.3rem 0; }
.aside-nav-list a {
  font-size: 0.78rem;
  font-family: var(--font-ui);
  color: var(--c-text-muted);
  line-height: 1.5;
  display: block;
  padding: 0.2rem 0;
  transition: color 0.15s;
}
.aside-nav-list a:hover { color: var(--c-dark); text-decoration: none; }
.aside-note {
  font-size: 0.72rem;
  color: var(--c-text-muted);
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--c-pink-mid);
  line-height: 1.5;
}

/* ─── 首页 Hero ─── */
.content-section--fullhero {
  padding: 0;
  margin: 0 -1.5rem;
}
.hero-figure {
  position: relative;
  width: 100%;
  min-height: 70vh;
  overflow: hidden;
  background: linear-gradient(145deg, var(--c-dark) 0%, #1e3048 55%, #2a1f2e 100%);
  display: flex;
  align-items: flex-end;
}
.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(23,31,38,0.85) 0%,
    rgba(23,31,38,0.6) 50%,
    rgba(200,224,244,0.08) 100%);
}
.hero-slash {
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 80px;
  background: var(--c-blue);
  clip-path: polygon(0 60%, 100% 0%, 100% 100%, 0% 100%);
}
.hero-caption {
  position: relative;
  z-index: 2;
  padding: 3rem 3rem 6rem 3rem;
  max-width: 680px;
}
.hero-eyebrow {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--c-pink);
  text-transform: uppercase;
  margin-bottom: 0.9rem;
}
.hero-h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  letter-spacing: 0.02em;
  margin-bottom: 1rem;
}
.hero-sub {
  font-family: var(--font-ui);
  font-size: 0.95rem;
  color: rgba(255,255,255,0.78);
  line-height: 1.7;
  margin-bottom: 1.8rem;
  max-width: 48ch;
}

/* ─── 页面 Hero（非首页）─── */
.content-section--hero {
  background: linear-gradient(145deg, var(--c-surface), var(--c-pink-light));
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
  box-shadow: var(--shadow-out);
}
.content-figure {
  padding: 2rem 2.5rem;
}
.page-h1 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--c-dark);
  letter-spacing: 0.02em;
  line-height: 1.3;
}

/* ─── Article Hero ─── */
.content-section--article-hero {
  padding: 0;
  margin: 1rem 0 0;
}
.article-hero-figure {
  position: relative;
  background: linear-gradient(145deg, var(--c-dark), #1c2d40);
  border-radius: var(--radius-md);
  overflow: hidden;
  min-height: 260px;
  display: flex;
  align-items: flex-end;
  box-shadow: var(--shadow-out);
}
.article-hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
}
.article-hero-meta {
  position: relative;
  z-index: 1;
  padding: 2rem 2.5rem;
  background: linear-gradient(to top, rgba(23,31,38,0.9) 0%, transparent 100%);
  width: 100%;
}
.article-h1 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
  letter-spacing: 0.02em;
  margin-bottom: 0.6rem;
}
.article-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: center;
}
.article-date {
  font-size: 0.75rem;
  font-family: var(--font-ui);
  color: var(--c-blue-light);
  opacity: 0.85;
}
.article-date--mod { color: var(--c-pink-light); }

/* ─── About Hero ─── */
.content-section--about-hero {
  padding: 0;
  margin: 1.5rem 0 0;
}
.about-hero-figure {
  background: linear-gradient(145deg, var(--c-surface-pink), var(--c-surface));
  border-radius: var(--radius-md);
  padding: 3rem 2.5rem;
  box-shadow: var(--shadow-out);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  min-height: 220px;
}
.about-hero-glow {
  position: absolute;
  right: -60px;
  top: -60px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245,224,232,0.6) 0%, transparent 70%);
  pointer-events: none;
}
.about-hero-text {
  position: relative;
  z-index: 1;
}
.about-logo {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-out);
}
.about-h1 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--c-dark);
  letter-spacing: 0.03em;
  margin-bottom: 0.5rem;
}

/* ─── Privacy Hero ─── */
.content-section--privacy-hero {
  margin: 1.5rem 0 0;
}
.privacy-hero-figure {
  background: linear-gradient(145deg, var(--c-surface), var(--c-blue-light));
  border-radius: var(--radius-md);
  padding: 2.5rem 2.5rem;
  box-shadow: var(--shadow-out);
}

/* ─── 卡片表格（首页文章列表）─── */
.content-section--cards {
  padding: 1rem 0 2rem;
}
.section-heading {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--c-dark);
  letter-spacing: 0.02em;
  margin-bottom: 0.25rem;
}
.card-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 0.7rem;
  margin-top: 0.5rem;
}
.card-table tbody tr {
  background: linear-gradient(145deg, var(--c-surface), var(--c-blue-light));
  box-shadow: var(--shadow-out);
  border-radius: var(--radius-sm);
  transition: box-shadow 0.18s, transform 0.18s;
  cursor: pointer;
}
.card-table tbody tr:hover {
  box-shadow: -6px -6px 18px rgba(255,255,255,0.8), 6px 6px 18px rgba(160,190,220,0.65);
  transform: translateY(-2px);
}
.card-table td {
  padding: 1rem 1.2rem;
  vertical-align: middle;
}
.card-table td:first-child { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.card-table td:last-child { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.card-table-title {
  width: 42%;
}
.card-table-title a {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--c-dark);
  text-decoration: none;
  line-height: 1.4;
  display: block;
}
.card-table-title a:hover { color: #2a5a90; text-decoration: none; }
.card-table-desc {
  font-size: 0.83rem;
  color: var(--c-text-muted);
  line-height: 1.5;
}
.card-table-date {
  font-size: 0.72rem;
  font-family: var(--font-ui);
  color: var(--c-text-muted);
  white-space: nowrap;
  text-align: right;
  width: 120px;
}

/* ─── 胶囊按钮 ─── */
.btn-capsule {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.6rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  background: linear-gradient(145deg, var(--c-blue-light), var(--c-blue));
  color: var(--c-dark);
  box-shadow: var(--shadow-out);
  transition: box-shadow 0.15s, transform 0.15s;
  text-decoration: none;
  min-height: 40px;
}
.btn-capsule:hover {
  box-shadow: -6px -6px 16px rgba(255,255,255,0.85), 6px 6px 16px rgba(160,192,224,0.6);
  transform: translateY(-1px);
  text-decoration: none;
}
.btn-capsule:active {
  box-shadow: var(--shadow-press);
  transform: scale(0.97);
}
.btn-capsule--hero {
  background: linear-gradient(145deg, var(--c-pink-light), var(--c-pink));
  color: var(--c-dark);
  font-size: 0.85rem;
  padding: 0.7rem 2rem;
}
.btn-capsule--hero:hover {
  box-shadow: -6px -6px 16px rgba(255,255,255,0.7), 6px 6px 16px rgba(210,175,195,0.55);
}

/* ─── 页脚 ─── */
.site-footer {
  background: linear-gradient(180deg, var(--c-dark) 0%, #1a2230 100%);
  margin-top: auto;
}
.footer-cta {
  background: linear-gradient(135deg, #1c2d3e 0%, #2a1f2e 100%);
  padding: 2rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
  border-bottom: 1px solid rgba(200,224,244,0.12);
}
.footer-cta__text {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--c-blue-light);
  letter-spacing: 0.02em;
}
.footer-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 2.5rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 1.5rem 2rem;
}
.footer-brand { grid-column: 1; }
.footer-brand-name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--c-blue);
  display: block;
  margin-bottom: 0.5rem;
  text-decoration: none;
}
.footer-brand-name:hover { color: var(--c-pink); text-decoration: none; }
.footer-desc {
  font-size: 0.8rem;
  color: rgba(200,224,244,0.55);
  line-height: 1.6;
  max-width: 36ch;
}
.footer-nav { grid-column: 2; }
.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.footer-nav a {
  font-size: 0.78rem;
  color: rgba(200,224,244,0.65);
  text-decoration: none;
  line-height: 1.5;
  transition: color 0.15s;
  display: inline-block;
  padding: 0.15rem 0;
  min-height: 28px;
}
.footer-nav a:hover { color: var(--c-blue); text-decoration: none; }
.footer-copy {
  grid-column: 1 / -1;
  font-size: 0.72rem;
  color: rgba(200,224,244,0.38);
  letter-spacing: 0.04em;
  padding-top: 1rem;
  border-top: 1px solid rgba(200,224,244,0.1);
}

/* ─── 滚动揭示动效 ─── */
@media (prefers-reduced-motion: no-preference) {
  .card-table tbody tr {
    opacity: 0;
    transform: translateY(16px);
    animation: revealUp 0.4s ease forwards;
  }
  .card-table tbody tr:nth-child(1) { animation-delay: 0.05s; }
  .card-table tbody tr:nth-child(2) { animation-delay: 0.12s; }
  .card-table tbody tr:nth-child(3) { animation-delay: 0.19s; }
  .card-table tbody tr:nth-child(4) { animation-delay: 0.26s; }
  .card-table tbody tr:nth-child(5) { animation-delay: 0.33s; }
  .card-table tbody tr:nth-child(6) { animation-delay: 0.4s; }
  .content-section--body,
  .content-section--article-body,
  .content-section--about-body,
  .content-section--privacy-body,
  .content-section--prose {
    animation: revealUp 0.5s ease 0.1s both;
  }
}
@keyframes revealUp {
  to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ─── 断点：平板 ─── */
@media (max-width: 900px) {
  .content-section--body,
  .content-section--article-body,
  .content-section--about-body,
  .content-section--privacy-body,
  .content-section--prose {
    grid-template-columns: 1fr;
  }
  .inline-aside {
    grid-column: 1;
    grid-row: 2;
    position: static;
  }
  .prose, .article-prose, .about-prose, .privacy-prose, .home-prose {
    grid-row: 1;
  }
  .footer-main {
    grid-template-columns: 1fr;
  }
  .footer-nav { grid-column: 1; }
  .footer-cta {
    flex-direction: column;
    align-items: flex-start;
  }
  .card-table-desc { display: none; }
  .card-table-title { width: 70%; }
}

/* ─── 断点：手机 ─── */
@media (max-width: 600px) {
  :root { --nav-h: 100px; }
  .main-content { padding: 0 1rem; }
  .brand-bar { padding: 0.75rem 1rem; }
  .brand-name { font-size: 1.25rem; }
  .hero-caption { padding: 2rem 1.5rem 5rem; }
  .hero-h1 { font-size: 1.8rem; }
  .article-hero-meta { padding: 1.5rem; }
  .article-h1 { font-size: 1.4rem; }
  .content-figure { padding: 1.5rem; }
  .page-h1 { font-size: 1.4rem; }
  .aside-nav { padding: 0.5rem 1rem; }
  .nav-pill { padding: 0.4rem 0.75rem; font-size: 0.68rem; min-height: 40px; }
  .footer-main { padding: 1.5rem 1rem 1rem; }
  .footer-cta { padding: 1.5rem 1rem; }
  .footer-cta__text { font-size: 1.05rem; }
  .hero-slash { height: 50px; }
  .card-table td { padding: 0.75rem 0.9rem; }
  .about-hero-figure { padding: 2rem 1.5rem; }
  .privacy-hero-figure { padding: 1.75rem 1.5rem; }
  .content-section--fullhero { margin: 0 -1rem; }
}