@import url('https://fonts.googleapis.com/css2?family=Abril+Fatface&family=Merriweather:wght@300;400;700&display=swap');

/* ===== 变量 ===== */
:root {
  --clr-rose: #eb879c;
  --clr-pink: #ffb6c1;
  --clr-dark: #26171a;
  --clr-dark-80: rgba(38,23,26,0.8);
  --clr-dark-40: rgba(38,23,26,0.4);
  --clr-rose-light: #f9dde3;
  --clr-rose-mid: #f0a8b5;
  --clr-bg: #fff5f7;
  --clr-bg-card: #ffffff;
  --clr-text: #26171a;
  --clr-text-muted: #7a5060;
  --clr-border: rgba(235,135,156,0.3);
  --font-display: 'Abril Fatface', Georgia, serif;
  --font-body: 'Merriweather', Georgia, serif;
  --radius: 28px;
  --radius-sm: 12px;
  --shadow-soft: 0 2px 8px rgba(38,23,26,0.08), 0 6px 24px rgba(235,135,156,0.12);
  --shadow-hover: 0 4px 16px rgba(38,23,26,0.12), 0 12px 36px rgba(235,135,156,0.2);
  --transition: 220ms cubic-bezier(0.25,0.46,0.45,0.94);
  --header-h: 68px;
}

/* ===== 重置 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  color: var(--clr-text);
  background: var(--clr-bg);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--clr-rose); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible {
  outline: 3px solid var(--clr-rose);
  outline-offset: 3px;
  border-radius: 4px;
}
ol, ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }

/* ===== 全局 wrap ===== */
.site-wrap { min-height: 100vh; display: flex; flex-direction: column; }

/* ===== 汉堡按钮 ===== */
.burger-btn {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 36px;
  height: 26px;
  background: none;
  border: none;
  padding: 3px 0;
  gap: 5px;
  flex-shrink: 0;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}
.burger-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-dark);
  border-radius: 2px;
  transition: var(--transition);
}
.burger-btn:hover span { background: var(--clr-rose); }

/* ===== 全屏遮罩菜单 ===== */
.overlay-menu {
  position: fixed;
  inset: 0;
  background: var(--clr-dark);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: 3rem 2.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 250ms ease;
}
.overlay-menu.is-open {
  opacity: 1;
  pointer-events: all;
}
.overlay-close {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  background: none;
  border: none;
  color: var(--clr-pink);
  font-size: 2rem;
  line-height: 1;
  min-height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition);
}
.overlay-close:hover { color: var(--clr-rose); }
.overlay-nav {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: 100%;
}
.overlay-nav .nav-link {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--clr-pink);
  border-bottom: 1px solid rgba(255,182,193,0.15);
  padding-bottom: 1rem;
  line-height: 1.4;
  display: block;
  transition: color var(--transition), padding-left var(--transition);
}
.overlay-nav .nav-link:hover {
  color: #fff;
  padding-left: 0.5rem;
  text-decoration: none;
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.5rem;
  background: rgba(255,245,247,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border);
  box-shadow: 0 2px 8px rgba(235,135,156,0.1);
}
.brand-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  text-decoration: none;
  min-height: 44px;
}
.brand-monogram {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: var(--clr-rose);
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.3rem;
  border-radius: 12px;
  box-shadow: var(--shadow-soft);
}
.brand-logo-img { width: 42px; height: 42px; border-radius: 12px; object-fit: cover; }
.top-nav {
  display: none;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
  overflow: hidden;
}
.top-nav .nav-link {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--clr-dark);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 160px;
  min-height: 40px;
  display: flex;
  align-items: center;
  transition: background var(--transition), color var(--transition);
}
.top-nav .nav-link:hover {
  background: var(--clr-rose-light);
  color: var(--clr-dark);
  text-decoration: none;
}
.btn-cta {
  background: var(--clr-rose);
  color: #fff;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-sm);
  border: none;
  min-height: 40px;
  display: flex;
  align-items: center;
  white-space: nowrap;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(235,135,156,0.35);
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  text-decoration: none;
  margin-left: auto;
}
.btn-cta:hover {
  background: var(--clr-dark);
  box-shadow: 0 4px 16px rgba(38,23,26,0.25);
  transform: translateY(-1px);
  text-decoration: none;
  color: #fff;
}
.btn-secondary {
  background: var(--clr-rose-light);
  color: var(--clr-dark);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 2px solid var(--clr-rose);
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  margin-right: 0.75rem;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  text-decoration: none;
}
.btn-secondary:hover {
  background: var(--clr-rose);
  color: #fff;
  transform: translateY(-1px);
  text-decoration: none;
}

/* ===== 锚点条 ===== */
.anchor-bar {
  position: sticky;
  top: var(--header-h);
  z-index: 90;
  background: var(--clr-dark);
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0 1rem;
  overflow-x: auto;
  scrollbar-width: none;
  border-bottom: 2px solid var(--clr-rose);
}
.anchor-bar::-webkit-scrollbar { display: none; }
.anchor-link {
  color: var(--clr-pink);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0 1rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  border-right: 1px solid rgba(255,182,193,0.15);
  transition: color var(--transition), background var(--transition);
  text-decoration: none;
}
.anchor-link:first-child { padding-left: 0.5rem; }
.anchor-link:hover {
  color: #fff;
  background: rgba(255,182,193,0.1);
  text-decoration: none;
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  background-color: var(--clr-dark);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: calc(var(--header-h) + 2rem) 2rem 4rem;
  overflow: hidden;
}
.hero-dot-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(235,135,156,0.4) 1.5px, transparent 1.5px);
  background-size: 28px 28px;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(38,23,26,0.7) 0%, rgba(38,23,26,0.2) 60%, transparent 100%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 700px;
  text-align: right;
}
.hero-kicker {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--clr-rose);
  text-transform: uppercase;
  margin-bottom: 1rem;
  border: 1px solid var(--clr-rose);
  display: inline-block;
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 6vw, 4.5rem);
  line-height: 1.1;
  color: #fff;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}
.hero-sub {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--clr-pink);
  margin-bottom: 2.5rem;
  font-weight: 300;
}
.btn-hero {
  background: var(--clr-rose);
  color: #fff;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.9rem 2rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  min-height: 52px;
  box-shadow: 0 4px 20px rgba(235,135,156,0.5);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
}
.btn-hero:hover {
  background: #fff;
  color: var(--clr-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(235,135,156,0.4);
  text-decoration: none;
}

/* ===== 内容包装器 ===== */
main { flex: 1; }
.content-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}
.content-wrap--inner {
  max-width: 860px;
}
.content-wrap--about { max-width: 780px; }
.content-wrap--legal { max-width: 760px; }

/* ===== 页面标题块 ===== */
.breadcrumb {
  font-size: 0.82rem;
  color: var(--clr-text-muted);
  margin-bottom: 1rem;
}
.breadcrumb a { color: var(--clr-rose); }
.page-h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.15;
  color: var(--clr-dark);
  margin-bottom: 0.75rem;
}
.page-h1--about {
  font-size: clamp(2rem, 5vw, 3.5rem);
}
.page-meta {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  margin-bottom: 2rem;
}
.page-meta time { margin-right: 0.5rem; }

/* ===== section 标题 ===== */
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: var(--clr-dark);
  margin-bottom: 0.5rem;
}
.section-hr {
  border: none;
  border-top: 3px solid var(--clr-rose);
  margin-bottom: 2rem;
  width: 60px;
}

/* ===== 卡片网格 ===== */
.cards-section { margin: 4rem 0; }
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.75rem;
}
.card {
  background: var(--clr-bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  border-bottom: 4px solid var(--clr-rose);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
  position: relative;
}
.card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.card--article {
  border-bottom-color: var(--clr-dark);
}
.card-link {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.75rem 1.75rem 2rem;
  height: 100%;
  color: inherit;
  text-decoration: none;
}
.card-link:hover { text-decoration: none; }
.card-eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--clr-rose);
  text-transform: uppercase;
}
.card-title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--clr-dark);
  display: block;
}
.card-desc {
  font-size: 0.88rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
  flex: 1;
  display: block;
}
.card-cta {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--clr-rose);
  margin-top: 0.5rem;
  display: block;
}

/* ===== 关于品牌块 ===== */
.about-brand-block {
  background: var(--clr-dark);
  border-radius: var(--radius);
  padding: 3rem 2.5rem;
  margin: 2rem 0 3rem;
  box-shadow: var(--shadow-soft);
}
.about-brand-name {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--clr-pink);
  margin-bottom: 1rem;
}
.about-brand-desc {
  font-size: 1rem;
  color: rgba(255,182,193,0.8);
  line-height: 1.8;
  font-weight: 300;
}
.about-links { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 3rem; }

/* ===== 正文排版 ===== */
.prose {
  font-size: 17px;
  line-height: 1.85;
  color: var(--clr-text);
}
.prose h2 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--clr-dark);
  margin: 2.5rem 0 0.5rem;
}
.prose h2 + hr,
.prose h3 + hr {
  border: none;
  border-top: 2px solid var(--clr-rose);
  width: 48px;
  margin-bottom: 1.2rem;
}
.prose h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--clr-dark);
  margin: 2rem 0 0.4rem;
}
.prose p { margin-bottom: 1.3rem; }
.prose ul, .prose ol {
  margin: 1rem 0 1.5rem 1.5rem;
  list-style: disc;
}
.prose ol { list-style: decimal; }
.prose li { margin-bottom: 0.5rem; }
.prose a { color: var(--clr-rose); font-weight: 700; }
.prose a:hover { text-decoration: underline; }
.prose strong { font-weight: 700; color: var(--clr-dark); }
.prose em { font-style: italic; }
.prose blockquote {
  border-left: 4px solid var(--clr-rose);
  padding: 1rem 1.5rem;
  background: var(--clr-rose-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 1.5rem 0;
  font-style: italic;
}
.prose code {
  background: var(--clr-rose-light);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
  font-family: 'Courier New', monospace;
}
.prose pre {
  background: var(--clr-dark);
  color: var(--clr-pink);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  font-size: 0.88rem;
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}
.prose th {
  background: var(--clr-dark);
  color: var(--clr-pink);
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 700;
}
.prose td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--clr-border);
}
.prose tr:nth-child(even) td { background: var(--clr-rose-light); }

/* FAQ 特化 */
.faq-prose details {
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  background: var(--clr-bg-card);
  box-shadow: 0 1px 4px rgba(235,135,156,0.08);
  overflow: hidden;
}
.faq-prose details summary {
  font-weight: 700;
  font-size: 1rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
  list-style: none;
  border-left: 4px solid var(--clr-rose);
  color: var(--clr-dark);
  transition: background var(--transition);
}
.faq-prose details summary:hover { background: var(--clr-rose-light); }
.faq-prose details[open] summary { background: var(--clr-rose-light); }
.faq-prose details > *:not(summary) { padding: 1rem 1.25rem 1.25rem; }

/* Article hero */
.article-hero-wrap {
  margin: 2rem 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}
.article-hero-img {
  width: 100%;
  height: auto;
  display: block;
}

/* ===== 相关列表 ===== */
.related-section { margin-top: 4rem; }
.related-list { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 1rem; }
.related-item a {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 1.25rem;
  background: var(--clr-bg-card);
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--clr-rose);
  box-shadow: 0 1px 4px rgba(235,135,156,0.1);
  color: var(--clr-dark);
  font-weight: 700;
  font-size: 0.95rem;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
  min-height: 60px;
}
.related-item a:hover {
  background: var(--clr-rose-light);
  transform: translateX(4px);
  box-shadow: var(--shadow-soft);
  text-decoration: none;
}
.related-item small {
  font-weight: 300;
  font-size: 0.82rem;
  color: var(--clr-text-muted);
  line-height: 1.5;
}

/* ===== 关于页链接 ===== */
.about-link-wrap {
  margin-top: 3rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.legal-footer-links { margin-top: 3rem; }

/* ===== 页脚 ===== */
.site-footer {
  background: var(--clr-dark);
  color: var(--clr-pink);
  padding: 3rem 1.5rem 1.5rem;
  margin-top: auto;
}
.footer-form-block {
  border-bottom: 1px solid rgba(255,182,193,0.15);
  padding-bottom: 2rem;
  margin-bottom: 2rem;
  max-width: 480px;
}
.footer-form-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: rgba(255,182,193,0.6);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.footer-form {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.footer-input {
  flex: 1;
  min-width: 180px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,182,193,0.25);
  border-radius: var(--radius-sm);
  padding: 0.6rem 1rem;
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.9rem;
  min-height: 44px;
  outline: none;
  transition: border-color var(--transition);
}
.footer-input::placeholder { color: rgba(255,182,193,0.4); }
.footer-input:focus { border-color: var(--clr-rose); }
.footer-cols {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.footer-dl { flex: 1; min-width: 150px; }
.footer-dl dt {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-rose);
  margin-bottom: 0.75rem;
}
.footer-dl dd { margin-bottom: 0.5rem; }
.footer-dl dd a {
  color: rgba(255,182,193,0.75);
  font-size: 0.88rem;
  transition: color var(--transition);
  text-decoration: none;
}
.footer-dl dd a:hover { color: #fff; text-decoration: none; }
.footer-bottom {
  border-top: 1px solid rgba(255,182,193,0.1);
  padding-top: 1.25rem;
  font-size: 0.8rem;
  color: rgba(255,182,193,0.45);
}

/* ===== Scroll Reveal ===== */
.reveal-item {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 300ms ease, transform 300ms ease;
}
.reveal-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal-item { opacity: 1; transform: none; transition: none; }
}

/* ===== 响应式 ===== */
@media (min-width: 768px) {
  .top-nav { display: flex; }
  .burger-btn { display: none; }
  .site-header { padding: 0 2.5rem; gap: 1.25rem; }
  .hero-inner { max-width: 620px; }
  .content-wrap { padding: 5rem 2.5rem; }
  .card-grid { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
  .footer-form-block { max-width: 520px; }
}
@media (min-width: 1024px) {
  .top-nav { display: flex; }
  .burger-btn { display: flex; }
  .site-header { padding: 0 3rem; }
  .hero-inner { max-width: 680px; }
}
@media (max-width: 480px) {
  .hero { padding: calc(var(--header-h) + 1.5rem) 1.25rem 3rem; }
  .hero-inner { text-align: right; }
  .content-wrap { padding: 2.5rem 1.25rem; }
  .card-grid { grid-template-columns: 1fr; }
  .btn-cta { font-size: 0.78rem; padding: 0.5rem 0.85rem; }
  .footer-cols { flex-direction: column; gap: 1.5rem; }
  .anchor-bar { padding: 0 0.5rem; }
}