:root {
  --brand: #c41e5a;
  --brand-dark: #9a1747;
  --brand-soft: #fce8ef;
  --ink: #1a1216;
  --ink-muted: #5c4a52;
  --paper: #faf6f7;
  --surface: #ffffff;
  --line: #eadde3;
  --ok: #1f7a4d;
  --warn: #b45309;
  --radius: 10px;
  --shadow: 0 10px 28px rgba(26, 18, 22, 0.08);
  --max: 1120px;
  --font: "Noto Serif SC", "Source Han Serif SC", "Songti SC", Georgia, serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, #ffe6ef 0%, transparent 55%),
    radial-gradient(900px 420px at 100% 0%, #fff0e8 0%, transparent 50%),
    var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--brand);
  text-decoration: none;
}

a:hover {
  color: var(--brand-dark);
  text-decoration: underline;
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--brand);
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 1000;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--font);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
}

.brand:hover {
  color: var(--brand);
  text-decoration: none;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 8px;
  padding: 0.45rem 0.7rem;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--ink);
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--ink-muted);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--brand);
}

/* Hero */
.hero {
  padding: 3.2rem 0 2.2rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2rem;
  align-items: center;
}

.hero-copy h1 {
  margin: 0 0 0.9rem;
  font-family: var(--font);
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  line-height: 1.25;
  letter-spacing: 0.01em;
}

.hero-copy .lead {
  margin: 0 0 1.4rem;
  color: var(--ink-muted);
  font-size: 1.05rem;
  max-width: 36em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  text-decoration: none;
  transition: 0.2s ease;
}

.btn-primary {
  background: var(--brand);
  color: #fff;
}

.btn-primary:hover {
  background: var(--brand-dark);
  color: #fff;
  text-decoration: none;
}

.btn-ghost {
  background: var(--surface);
  border-color: var(--line);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: var(--brand);
  color: var(--brand);
  text-decoration: none;
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  width: 100%;
  border-radius: 18px;
  box-shadow: var(--shadow);
  object-fit: cover;
  aspect-ratio: 16 / 10;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.1rem;
}

.badge {
  background: var(--brand-soft);
  color: var(--brand-dark);
  border-radius: 999px;
  padding: 0.28rem 0.75rem;
  font-size: 0.82rem;
  font-weight: 700;
}

/* Sections */
.section {
  padding: 2.6rem 0;
}

.section-head {
  margin-bottom: 1.4rem;
}

.section-head h2 {
  margin: 0 0 0.45rem;
  font-family: var(--font);
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  line-height: 1.3;
}

.section-head p {
  margin: 0;
  color: var(--ink-muted);
  max-width: 48em;
}

.prose {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem 1.5rem;
  box-shadow: var(--shadow);
}

.prose h2,
.prose h3 {
  font-family: var(--font);
  line-height: 1.35;
}

.prose h2 {
  margin-top: 1.8rem;
  font-size: 1.45rem;
}

.prose h3 {
  margin-top: 1.35rem;
  font-size: 1.15rem;
}

.prose p {
  margin: 0.85rem 0;
  color: var(--ink);
}

.prose ul,
.prose ol {
  padding-left: 1.2rem;
}

.prose li {
  margin: 0.4rem 0;
}

.prose .first-p {
  font-size: 1.05rem;
}

/* Cards / grids */
.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 1rem;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.feature-card,
.media-card,
.cat-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.feature-card,
.cat-card {
  padding: 1.1rem;
}

.media-card img,
.shot img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.media-card .body,
.shot .body {
  padding: 0.9rem 1rem 1.1rem;
}

.media-card h3,
.cat-card h3,
.feature-card h3,
.shot h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  font-family: var(--font);
}

.media-card p,
.cat-card p,
.feature-card p,
.shot p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.92rem;
}

.shot {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.toc {
  background: var(--brand-soft);
  border: 1px solid #f3c7d6;
  border-radius: var(--radius);
  padding: 1rem 1.2rem;
  margin: 1.2rem 0 1.6rem;
}

.toc h2 {
  margin: 0 0 0.6rem;
  font-size: 1.05rem;
}

.toc ol {
  margin: 0;
  padding-left: 1.2rem;
}

.toc a {
  font-weight: 600;
}

.callout {
  border-left: 4px solid var(--brand);
  background: #fff8fa;
  padding: 0.9rem 1rem;
  margin: 1.2rem 0;
  border-radius: 0 8px 8px 0;
}

.kpi {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem;
  margin: 1.2rem 0 0.4rem;
}

.kpi div {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.9rem;
  text-align: center;
}

.kpi strong {
  display: block;
  font-family: var(--font);
  font-size: 1.35rem;
  color: var(--brand);
}

.kpi span {
  color: var(--ink-muted);
  font-size: 0.86rem;
}

.breadcrumb {
  padding: 1rem 0 0;
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.breadcrumb a {
  color: var(--ink-muted);
}

.page-hero {
  padding: 1.6rem 0 0.4rem;
}

.page-hero h1 {
  margin: 0 0 0.5rem;
  font-family: var(--font);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.page-hero p {
  margin: 0;
  color: var(--ink-muted);
  max-width: 48em;
}

.error-page {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 3rem 1rem;
}

.error-page h1 {
  margin: 0 0 0.6rem;
  font-family: var(--font);
  font-size: 3rem;
  color: var(--brand);
}

.error-page p {
  color: var(--ink-muted);
  max-width: 32em;
  margin: 0 auto 1.2rem;
}

.related {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.related ul {
  margin: 0.5rem 0 0;
  padding-left: 1.1rem;
}

/* Footer */
.site-footer {
  margin-top: 2.5rem;
  background: #1a1216;
  color: #f3e7ec;
  padding: 2.4rem 0 1.4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.5rem;
}

.site-footer a {
  color: #ffd0df;
}

.site-footer h3 {
  margin: 0 0 0.7rem;
  font-family: var(--font);
  font-size: 1.05rem;
}

.site-footer p,
.site-footer li {
  color: #d8c2cb;
  font-size: 0.92rem;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer li {
  margin: 0.35rem 0;
}

.footer-bottom {
  margin-top: 1.6rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.85rem;
  color: #b89aa6;
}

.age-note {
  display: inline-block;
  margin-top: 0.6rem;
  padding: 0.25rem 0.6rem;
  border: 1px solid rgba(255, 208, 223, 0.45);
  border-radius: 6px;
  font-size: 0.8rem;
  color: #ffd0df;
}

@media (max-width: 900px) {
  .hero-grid,
  .footer-grid,
  .grid-3,
  .grid-4,
  .kpi {
    grid-template-columns: 1fr 1fr;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 68px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 0.8rem 1rem 1rem;
  }

  .site-nav.open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 0.65rem;
  }

  .header-inner {
    position: relative;
  }
}

@media (max-width: 640px) {
  .hero-grid,
  .grid-2,
  .grid-3,
  .grid-4,
  .footer-grid,
  .kpi {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 1.8rem;
  }

  .prose {
    padding: 1.1rem;
  }
}