/* 富爱俱乐部 · 西安 · style.css */
/* 设计风格：盛唐雅韵·古典大气 — 朱砂红+青铜金+深墨，细衬线雅奢 */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@300;400&family=Noto+Sans+SC:wght@300;400&family=EB+Garamond:ital,wght@1,400&display=swap');

:root {
  --accent:        #8b2020;
  --accent-light:  #b03030;
  --accent-dark:   #6a1818;
  --gold:          #b8922e;
  --gold-light:    #d4b050;
  --gold-dark:     #8a6820;
  --bronze:        #a07040;

  --bg:            #f4efea;
  --bg-alt:        #ebe4da;
  --bg-dark:       #180e08;
  --bg-ink:        #100a04;

  --ink:           #180e08;
  --ink-light:     #3e2818;
  --ink-muted:     #806050;
  --ink-faint:     #c0a890;

  --on-dark:       rgba(244,239,234,0.92);
  --on-dark-muted: rgba(244,239,234,0.58);
  --on-dark-faint: rgba(244,239,234,0.30);

  --border:        #d8ccc0;
  --border-dark:   #302018;

  --radius:        0px;
  --radius-sm:     0px;
  --radius-lg:     2px;

  --font-serif:  'Noto Serif SC', 'STSong', Georgia, serif;
  --font-sans:   'Noto Sans SC', 'PingFang SC', sans-serif;
  --font-number: 'EB Garamond', Georgia, serif;
}

*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-weight: 300;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  overflow-x: hidden;
}
img { display: block; width: 100%; height: 100%; object-fit: cover; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 40px; }
.section    { padding: 96px 0; }

/* ─── 排版 ─── */
.t-label {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 300;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
}
.t-hero {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 5.5vw, 4.5rem);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: 0.06em;
}
.t-h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.625rem, 3vw, 2.5rem);
  font-weight: 300;
  line-height: 1.35;
  letter-spacing: 0.06em;
}
.t-h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0.04em;
}
.t-body {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.95;
  letter-spacing: 0.02em;
}
.t-small {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 300;
  line-height: 1.85;
  letter-spacing: 0.02em;
}

/* ─── Nav ─── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(244,239,234,0.97);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
}
#navbar.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 2px 20px rgba(24,14,8,0.06);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; }
.nav-logo { font-family: var(--font-serif); font-size: 18px; font-weight: 300; letter-spacing: 0.06em; color: var(--ink); }
.nav-logo span { color: var(--accent); }
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a { font-size: 14px; font-weight: 300; letter-spacing: 0.06em; color: var(--ink-light); transition: color 0.2s; }
.nav-links a:hover { color: var(--accent); }
.btn-nav {
  display: inline-flex; align-items: center; height: 36px; padding: 0 20px;
  background: var(--accent); color: #fff !important;
  font-size: 14px; font-weight: 300; letter-spacing: 0.12em;
  border-radius: var(--radius-sm); transition: background 0.2s;
}
.btn-nav:hover { background: var(--accent-light); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 4px; flex-direction: column; gap: 5px; }
.nav-toggle span { display: block; width: 22px; height: 1px; background: var(--ink); }
.nav-mobile { display: none; flex-direction: column; background: var(--bg); border-top: 1px solid var(--border); padding: 16px 0 24px; }
.nav-mobile.open { display: flex; }
.nav-mobile a { padding: 12px 40px; font-size: 16px; font-weight: 300; letter-spacing: 0.04em; color: var(--ink-light); border-bottom: 1px solid var(--border); }
.nav-mobile .btn-mobile-cta { margin: 16px 40px 0; text-align: center; background: var(--accent); color: var(--bg); height: 44px; display: flex; align-items: center; justify-content: center; letter-spacing: 0.12em; }

/* ─── Hero — 全宽居中+统计条 ─── */
.hero-section {
  padding: 140px 0 0;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
/* 唐纹背景 */
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    45deg,
    rgba(139,32,32,0.025) 0px,
    rgba(139,32,32,0.025) 1px,
    transparent 1px,
    transparent 40px
  );
  pointer-events: none;
}
.hero-section::after {
  content: '长安';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-serif);
  font-size: clamp(16rem, 30vw, 28rem);
  font-weight: 300;
  color: rgba(139,32,32,0.03);
  line-height: 1;
  letter-spacing: 0.1em;
  pointer-events: none;
  white-space: nowrap;
}
.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding-bottom: 80px;
}
/* Art deco divider */
.hero-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: center;
  margin: 24px 0;
}
.hero-divider-line { flex: 1; max-width: 80px; height: 1px; background: var(--gold); opacity: 0.5; }
.hero-divider-dot { width: 4px; height: 4px; background: var(--gold); transform: rotate(45deg); }
.hero-label { margin-bottom: 24px; }
.hero-title { color: var(--ink); margin-bottom: 8px; }
.hero-title .title-accent { color: var(--accent); }
.hero-body { color: var(--ink-light); max-width: 44ch; margin: 0 auto 40px; }
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; height: 48px; padding: 0 32px;
  background: var(--accent); color: var(--bg);
  font-size: 14px; font-weight: 300; letter-spacing: 0.12em;
  border-radius: var(--radius-sm); border: 1px solid var(--accent);
  transition: background 0.2s, box-shadow 0.2s;
}
.btn-primary:hover { background: var(--accent-light); box-shadow: 0 4px 20px rgba(139,32,32,0.30); }
.btn-outline {
  display: inline-flex; align-items: center; height: 48px; padding: 0 32px;
  background: transparent; color: var(--ink);
  font-size: 14px; font-weight: 300; letter-spacing: 0.12em;
  border-radius: var(--radius-sm); border: 1px solid var(--border);
  transition: border-color 0.2s, color 0.2s;
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold-dark); }
/* Stats bar attached to hero bottom */
.hero-stats-bar {
  border-top: 1px solid var(--border);
  display: flex;
}
.hero-stat-item {
  flex: 1;
  padding: 24px 16px;
  text-align: center;
  border-right: 1px solid var(--border);
}
.hero-stat-item:last-child { border-right: none; }
.hero-stat-num {
  font-family: var(--font-number);
  font-style: italic;
  font-size: 2rem;
  color: var(--gold);
  line-height: 1;
  display: block;
}
.hero-stat-label { font-size: 14px; font-weight: 300; color: var(--ink-muted); letter-spacing: 0.04em; margin-top: 6px; display: block; }

/* ─── Trust Strip A — 深色暗金格栅 ─── */
.trust-strip { background: var(--bg-dark); padding: 48px 0; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-item { padding: 0 24px; text-align: center; border-right: 1px solid var(--border-dark); }
.trust-item:first-child { padding-left: 0; }
.trust-item:last-child  { padding-right: 0; border-right: none; }
.trust-num { font-family: var(--font-number); font-style: italic; font-size: 2.5rem; color: var(--gold); line-height: 1; display: block; }
.trust-label { font-size: 14px; font-weight: 300; color: var(--on-dark-muted); letter-spacing: 0.04em; margin-top: 8px; display: block; }

/* ─── About — 左文右列表 ─── */
.about-section { background: var(--bg-alt); }
.about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 80px; align-items: start; }
.about-content .t-label { margin-bottom: 24px; }
.about-content .t-h2   { color: var(--ink); margin-bottom: 32px; }
.about-content .t-body { color: var(--ink-light); margin-bottom: 24px; }
/* Gold border accent */
.about-content-quote {
  border-left: 2px solid var(--gold);
  padding-left: 20px;
  margin-top: 32px;
}
.about-content-quote p { font-family: var(--font-serif); font-size: 16px; font-weight: 300; letter-spacing: 0.04em; color: var(--ink-muted); line-height: 1.8; }
.about-features { display: flex; flex-direction: column; gap: 0; }
.about-feat {
  display: flex; gap: 20px; align-items: flex-start;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}
.about-feat:first-child { padding-top: 0; }
.about-feat:last-child  { border-bottom: none; }
.about-feat-num { font-family: var(--font-number); font-style: italic; font-size: 1.5rem; color: var(--gold); line-height: 1; flex-shrink: 0; }
.about-feat-title { font-family: var(--font-serif); font-size: 18px; font-weight: 400; letter-spacing: 0.04em; color: var(--ink); margin-bottom: 6px; }
.about-feat-text { font-size: 14px; font-weight: 300; line-height: 1.85; color: var(--ink-light); letter-spacing: 0.02em; }

/* ─── Services — 三卡片+VIP ─── */
.services-section { background: var(--bg); }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header .t-label { margin-bottom: 16px; }
.section-header .t-h2   { color: var(--ink); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); margin-bottom: 24px; }
.service-card {
  background: var(--bg);
  padding: 40px 32px;
  position: relative;
}
.service-card::before { content: ''; position: absolute; top: 0; left: 32px; right: 32px; height: 2px; background: transparent; transition: background 0.2s; }
.service-card:hover::before { background: var(--accent); }
.service-card-num { font-family: var(--font-number); font-style: italic; font-size: 1.5rem; color: var(--gold); margin-bottom: 16px; display: block; }
.service-card .t-h3 { color: var(--ink); margin-bottom: 12px; }
.service-card .t-body { color: var(--ink-light); font-size: 14px; line-height: 1.85; }
.service-list { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; }
.service-list li { font-size: 14px; font-weight: 300; color: var(--ink-muted); letter-spacing: 0.02em; padding-left: 16px; position: relative; }
.service-list li::before { content: '—'; position: absolute; left: 0; color: var(--gold); }
.service-vip {
  background: var(--bg-dark);
  padding: 40px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.service-vip-text .t-label { margin-bottom: 12px; }
.service-vip-text .t-h3   { color: var(--on-dark); margin-bottom: 12px; }
.service-vip-text .t-small { color: var(--on-dark-muted); max-width: 44ch; }
.btn-gold {
  display: inline-flex; align-items: center; height: 48px; padding: 0 32px;
  background: var(--gold); color: var(--bg-ink);
  font-size: 14px; font-weight: 400; letter-spacing: 0.12em;
  border-radius: var(--radius-sm); border: 1px solid var(--gold);
  transition: background 0.2s; flex-shrink: 0;
}
.btn-gold:hover { background: var(--gold-light); }

/* ─── Profiles — 不对称Bento (高低混排) ─── */
.profiles-section { background: var(--bg-alt); }
.profiles-bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: 280px 220px;
  gap: 16px;
  margin-top: 48px;
}
.profile-card {
  background: var(--bg);
  border: 1px solid var(--border);
  overflow: hidden;
  position: relative;
}
.profile-card-wide { grid-column: span 2; }
.profile-card-tall { grid-row: span 2; }
.profile-img-wrap { position: absolute; inset: 0; background: var(--bg-alt); }
.profile-img-wrap img { width: 100%; height: 100%; object-fit: cover; opacity: 0.9; }
.profile-body {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 16px 20px;
  background: linear-gradient(to top, rgba(24,14,8,0.85) 0%, transparent 100%);
}
.profile-name { font-family: var(--font-serif); font-size: 18px; font-weight: 400; letter-spacing: 0.04em; color: rgba(244,239,234,0.95); margin-bottom: 2px; }
.profile-meta { font-size: 14px; color: rgba(244,239,234,0.65); letter-spacing: 0.02em; margin-bottom: 8px; }
.profile-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.profile-tag {
  font-size: 14px; font-weight: 300; letter-spacing: 0.04em;
  color: rgba(244,239,234,0.80);
  background: rgba(244,239,234,0.12);
  border: 1px solid rgba(244,239,234,0.25);
  padding: 2px 8px;
}
.profiles-cta-bar {
  margin-top: 24px;
  padding: 24px 40px;
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.profiles-cta-text { color: var(--ink-light); font-size: 16px; letter-spacing: 0.02em; }
.profiles-cta-text strong { color: var(--accent); font-weight: 400; }

/* ─── Register CTA ─── */
.register-section { background: var(--bg-dark); padding: 80px 0; text-align: center; }
.register-section .t-label { margin-bottom: 24px; }
.register-section .t-h2 { color: var(--on-dark); margin-bottom: 24px; }
.register-section .t-body { color: var(--on-dark-muted); max-width: 44ch; margin: 0 auto 40px; }

/* ─── Blog ─── */
.blog-section { background: var(--bg); }
.blog-header { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 48px; }
.btn-link { font-size: 14px; font-weight: 300; letter-spacing: 0.06em; color: var(--gold-dark); border-bottom: 1px solid var(--gold); padding-bottom: 2px; transition: color 0.2s; }
.btn-link:hover { color: var(--accent); border-color: var(--accent); }
.blog-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 1px; background: var(--border); }
.blog-card { background: var(--bg); display: flex; flex-direction: column; transition: background 0.2s; }
.blog-card:hover { background: var(--bg-alt); }
.blog-thumb { height: 180px; background: var(--bg-alt); overflow: hidden; }
.blog-thumb img { transition: transform 0.4s; }
.blog-card:hover .blog-thumb img { transform: scale(1.04); }
.blog-card-body { padding: 28px; flex: 1; }
.blog-date { font-size: 14px; color: var(--ink-faint); letter-spacing: 0.04em; margin-bottom: 10px; }
.blog-title { font-family: var(--font-serif); font-size: 18px; font-weight: 400; letter-spacing: 0.04em; color: var(--ink); line-height: 1.5; margin-bottom: 12px; transition: color 0.2s; }
.blog-card:hover .blog-title { color: var(--accent); }
.blog-excerpt { font-size: 14px; color: var(--ink-muted); line-height: 1.8; letter-spacing: 0.02em; }

/* ─── FAQ ─── */
.faq-section { background: var(--bg-alt); }
.faq-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--border); margin-top: 48px; }
.faq-item { background: var(--bg-alt); }
details.faq-item { border: none; }
.faq-q {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 24px 28px; cursor: pointer; list-style: none;
  font-family: var(--font-serif); font-size: 16px; font-weight: 400; letter-spacing: 0.04em;
  color: var(--ink); transition: color 0.2s;
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q::after { content: '+'; font-family: var(--font-serif); font-style: italic; font-size: 1.5rem; color: var(--gold); flex-shrink: 0; transition: transform 0.25s; }
details[open] .faq-q { color: var(--accent); }
details[open] .faq-q::after { transform: rotate(45deg); }
.faq-a { padding: 0 28px 24px; font-size: 14px; font-weight: 300; line-height: 1.85; letter-spacing: 0.02em; color: var(--ink-light); }

/* ─── Footer D — 居中极简 ─── */
.footer { background: var(--bg-dark); padding: 64px 0 40px; }
.footer-centered { text-align: center; max-width: 640px; margin: 0 auto; }
.footer-logo { font-family: var(--font-serif); font-size: 22px; font-weight: 300; letter-spacing: 0.06em; color: var(--on-dark); margin-bottom: 16px; }
.footer-logo span { color: var(--gold); }
.footer-desc { font-size: 14px; font-weight: 300; color: var(--on-dark-muted); line-height: 1.85; letter-spacing: 0.02em; margin-bottom: 40px; }
.footer-links-row { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px 24px; margin-bottom: 48px; }
.footer-links-row a { font-size: 14px; font-weight: 300; color: var(--on-dark-muted); letter-spacing: 0.02em; transition: color 0.2s; }
.footer-links-row a:hover { color: var(--gold); }
.footer-links-row span { color: var(--on-dark-faint); }
.footer-bottom { border-top: 1px solid var(--border-dark); padding-top: 24px; text-align: center; }
.footer-copy { font-size: 14px; color: var(--on-dark-faint); letter-spacing: 0.02em; }

/* ─── Reveal ─── */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ─── 响应式 ─── */
@media (max-width: 1023px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .profiles-bento { grid-template-columns: repeat(2, 1fr); grid-template-rows: auto; }
  .profile-card-wide { grid-column: span 1; }
  .profile-card-tall { grid-row: span 1; }
  .blog-grid { grid-template-columns: 1fr; }
  .faq-wrap { grid-template-columns: 1fr; }
}
@media (max-width: 767px) {
  .container { padding: 0 20px; }
  .section { padding: 64px 0; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .hero-section { padding: 100px 0 0; }
  .hero-stats-bar { flex-wrap: wrap; }
  .hero-stat-item { flex: 1 1 45%; }
  .trust-grid { grid-template-columns: 1fr 1fr; background: var(--border-dark); gap: 1px; }
  .trust-item { border-right: none; padding: 24px; }
  .services-grid { grid-template-columns: 1fr; }
  .service-vip { flex-direction: column; text-align: center; }
  .service-vip .btn-gold { width: 100%; justify-content: center; }
  .profiles-bento { grid-template-columns: 1fr 1fr; }
  .profile-card { min-height: 220px; }
  .profiles-cta-bar { flex-direction: column; text-align: center; }
  .profiles-cta-bar .btn-primary { width: 100%; justify-content: center; }
  .hero-cta .btn-primary,
  .hero-cta .btn-outline { width: 100%; justify-content: center; }
}
@media (max-width: 479px) {
  .profiles-bento { grid-template-columns: 1fr; }
}

/* ─── Adult notice ─── */
.footer-adult{font-size:14px;color:var(--on-dark-faint);text-align:center;width:100%}