/* 富爱俱乐部 · 重庆 · style.css */
/* 设计风格：山城夜色·赛博朋克 — 霓虹红+深夜蓝+暗金，重衬线暖奢 */

@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 {
  /* ── 主题色 ── */
  --neon:          #ff3c5a;
  --neon-light:    #ff6080;
  --neon-dark:     #cc1f3a;
  --gold:          #d4a843;
  --gold-light:    #e8c060;
  --gold-dark:     #a07828;

  /* ── 背景层次（全深色页） ── */
  --bg:            #0a0c14;
  --bg-alt:        #0f1220;
  --bg-card:       #141828;
  --bg-deeper:     #06080f;

  /* ── 文字层次 ── */
  --ink:           rgba(235,228,255,0.96);
  --ink-light:     rgba(235,228,255,0.80);
  --ink-muted:     rgba(235,228,255,0.56);
  --ink-faint:     rgba(235,228,255,0.30);

  /* ── 深色区文字（同 ink，因整页深色） ── */
  --on-dark:       rgba(235,228,255,0.92);
  --on-dark-muted: rgba(235,228,255,0.56);
  --on-dark-faint: rgba(235,228,255,0.28);

  /* ── 描边 ── */
  --border:        rgba(235,228,255,0.10);
  --border-neon:   rgba(255,60,90,0.25);

  /* ── 圆角 ── */
  --radius:        2px;
  --radius-sm:     0px;
  --radius-lg:     4px;

  /* ── 字体 ── */
  --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: 400;
  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(--neon);
}
.t-hero {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 5.5vw, 4.5rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.04em;
}
.t-h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.625rem, 3vw, 2.5rem);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: 0.04em;
}
.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: 400;
  line-height: 1.95;
  letter-spacing: 0.02em;
}
.t-small {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.85;
  letter-spacing: 0.02em;
}

/* ─── Nav ─── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10,12,20,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
#navbar.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 2px 24px rgba(255,60,90,0.08);
}
.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: 400;
  letter-spacing: 0.04em;
  color: var(--ink);
}
.nav-logo span { color: var(--neon); }
.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-muted);
  transition: color 0.2s ease;
}
.nav-links a:hover { color: var(--neon); }
.btn-nav {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 20px;
  background: var(--neon);
  color: #fff !important;
  font-size: 14px;
  font-weight: 300;
  letter-spacing: 0.12em;
  border-radius: var(--radius-sm);
  transition: background 0.2s ease;
}
.btn-nav:hover { background: var(--neon-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);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--bg-alt);
  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(--neon);
  color: #fff;
  border-radius: var(--radius-sm);
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.12em;
}

/* ─── Hero — 重庆山城·全屏分栏叠层 ─── */
.hero-section {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}
/* Grid background */
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,60,90,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,60,90,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
/* Neon glow blob */
.hero-section::after {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,60,90,0.10) 0%, transparent 70%);
  top: -100px;
  right: -100px;
  pointer-events: none;
}
.hero-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-left {
  /* Left: large city character + stats */
  display: flex;
  flex-direction: column;
  gap: 48px;
}
.hero-city-char {
  font-family: var(--font-serif);
  font-size: clamp(8rem, 18vw, 16rem);
  font-weight: 400;
  color: rgba(255,60,90,0.08);
  line-height: 1;
  letter-spacing: 0;
  user-select: none;
  pointer-events: none;
}
.hero-left-stats {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.hero-left-stat {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-left: 20px;
  border-left: 2px solid var(--neon);
}
.hero-left-stat-num {
  font-family: var(--font-number);
  font-style: italic;
  font-size: 2rem;
  color: var(--gold);
  line-height: 1;
}
.hero-left-stat-label {
  font-size: 14px;
  font-weight: 300;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
}
.hero-right {}
.hero-label { margin-bottom: 24px; }
.hero-title {
  color: var(--ink);
  margin-bottom: 32px;
}
.hero-title .title-accent {
  color: var(--neon);
  text-shadow: 0 0 32px rgba(255,60,90,0.40);
}
.hero-body {
  color: var(--ink-light);
  max-width: 44ch;
  margin-bottom: 40px;
}
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  height: 48px;
  padding: 0 32px;
  background: var(--neon);
  color: #fff;
  font-size: 14px;
  font-weight: 300;
  letter-spacing: 0.12em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--neon);
  transition: background 0.2s ease, box-shadow 0.2s ease;
}
.btn-primary:hover {
  background: var(--neon-light);
  box-shadow: 0 4px 24px rgba(255,60,90,0.40);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  height: 48px;
  padding: 0 32px;
  background: transparent;
  color: var(--ink-light);
  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 ease, color 0.2s ease;
}
.btn-outline:hover { border-color: var(--neon); color: var(--neon); }

/* ─── Trust Strip A — 深色暗金格栅 ─── */
.trust-strip {
  background: var(--bg-deeper);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  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);
}
.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(--ink-muted);
  letter-spacing: 0.04em;
  margin-top: 8px;
  display: block;
}

/* ─── About ─── */
.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); }
.about-features {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-top: 48px;
}
.about-feat {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.about-feat-num {
  font-family: var(--font-number);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--neon);
  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: 400;
  line-height: 1.85;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
}

/* ─── Services — 竖向横排大卡片 ─── */
.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); }
.service-rows {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  margin-bottom: 24px;
}
.service-row {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 32px;
  align-items: center;
  background: var(--bg-alt);
  padding: 32px 40px;
  transition: background 0.2s ease;
}
.service-row:hover { background: var(--bg-card); }
.service-row-num {
  font-family: var(--font-number);
  font-style: italic;
  font-size: 2rem;
  color: var(--neon);
  line-height: 1;
}
.service-row-body .t-h3   { color: var(--ink); margin-bottom: 8px; }
.service-row-body .t-small { color: var(--ink-muted); }
.service-row-tag {
  font-size: 14px;
  font-weight: 300;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
  white-space: nowrap;
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.service-vip {
  background: var(--bg-card);
  border: 1px solid var(--border-neon);
  border-radius: var(--radius);
  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(--ink); margin-bottom: 12px; }
.service-vip-text .t-small { color: var(--ink-muted); max-width: 44ch; }
.btn-gold {
  display: inline-flex;
  align-items: center;
  height: 48px;
  padding: 0 32px;
  background: var(--gold);
  color: var(--bg-deeper);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.12em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gold);
  transition: background 0.2s ease;
  flex-shrink: 0;
}
.btn-gold:hover { background: var(--gold-light); }

/* ─── Profiles — 等高四列 ─── */
.profiles-section { background: var(--bg-alt); }
.profiles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 48px;
}
.profile-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.profile-card:hover {
  border-color: var(--neon);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(255,60,90,0.15);
}
.profile-img-wrap {
  aspect-ratio: 3/4;
  background: var(--bg-alt);
  overflow: hidden;
}
.profile-img-wrap img { transition: transform 0.4s ease; }
.profile-card:hover .profile-img-wrap img { transform: scale(1.04); }
.profile-body {
  padding: 20px 16px;
}
.profile-name {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--ink);
  margin-bottom: 4px;
}
.profile-meta {
  font-size: 14px;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}
.profile-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.profile-tag {
  font-size: 14px;
  font-weight: 300;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
}
.profiles-cta-bar {
  margin-top: 40px;
  padding: 24px 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  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(--neon); font-weight: 400; }

/* ─── Register CTA ─── */
.register-section {
  background: var(--bg-deeper);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.register-section::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,60,90,0.07) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  pointer-events: none;
}
.register-section .t-label { margin-bottom: 24px; }
.register-section .t-h2 { color: var(--ink); margin-bottom: 24px; }
.register-section .t-body { color: var(--ink-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 ease;
}
.btn-link:hover { color: var(--neon); border-color: var(--neon); }
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s ease;
  display: flex;
  flex-direction: column;
}
.blog-card:hover { border-color: var(--neon); }
.blog-thumb {
  height: 180px;
  background: var(--bg-alt);
  overflow: hidden;
}
.blog-thumb img { transition: transform 0.4s ease; }
.blog-card:hover .blog-thumb img { transform: scale(1.04); }
.blog-card-body { padding: 24px; 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 ease;
}
.blog-card:hover .blog-title { color: var(--neon); }
.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: flex;
  flex-direction: column;
  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 ease;
}
.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(--neon);
  flex-shrink: 0;
  transition: transform 0.25s ease;
}
details[open] .faq-q { color: var(--neon); }
details[open] .faq-q::after { transform: rotate(45deg); }
.faq-a {
  padding: 0 28px 24px;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.85;
  letter-spacing: 0.02em;
  color: var(--ink-muted);
}

/* ─── Footer C — 双列简约 ─── */
.footer {
  background: var(--bg-deeper);
  border-top: 1px solid var(--border);
  padding: 64px 0 40px;
}
.footer-2col {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 80px;
  margin-bottom: 48px;
}
.footer-logo {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--ink);
  margin-bottom: 12px;
}
.footer-logo span { color: var(--neon); }
.footer-desc {
  font-size: 14px;
  font-weight: 400;
  color: var(--ink-muted);
  line-height: 1.85;
  letter-spacing: 0.02em;
  max-width: 44ch;
}
.footer-nav-inline {
  display: flex;
  gap: 48px;
  align-items: flex-start;
  flex-wrap: wrap;
}
.footer-nav-col {}
.footer-col-title {
  font-size: 14px;
  font-weight: 300;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 20px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-links a {
  font-size: 14px;
  font-weight: 300;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
}
.footer-links a:hover { color: var(--neon); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.footer-copy { font-size: 14px; color: var(--ink-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) {
  .hero-layout { grid-template-columns: 1fr; gap: 40px; }
  .hero-left { flex-direction: row; gap: 32px; align-items: center; }
  .hero-city-char { font-size: 6rem; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .profiles-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: 1fr 1fr; }
  .footer-2col { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 767px) {
  .container { padding: 0 20px; }
  .section { padding: 64px 0; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .hero-section { min-height: auto; padding: 100px 0 64px; }
  .hero-layout { grid-template-columns: 1fr; }
  .hero-city-char { display: none; }
  .hero-left-stats { flex-direction: row; flex-wrap: wrap; gap: 16px; }
  .trust-grid { grid-template-columns: 1fr 1fr; background: var(--border); gap: 1px; }
  .trust-item { border-right: none; padding: 24px; }
  .service-row { grid-template-columns: 40px 1fr; gap: 16px; }
  .service-row-tag { display: none; }
  .service-vip { flex-direction: column; text-align: center; }
  .service-vip .btn-gold { width: 100%; justify-content: center; }
  .profiles-grid { grid-template-columns: 1fr 1fr; }
  .profiles-cta-bar { flex-direction: column; text-align: center; }
  .profiles-cta-bar .btn-primary { width: 100%; justify-content: center; }
  .blog-grid { grid-template-columns: 1fr; }
  .footer-nav-inline { gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-cta .btn-primary,
  .hero-cta .btn-outline { width: 100%; justify-content: center; }
}
@media (max-width: 479px) {
  .profiles-grid { grid-template-columns: 1fr; }
}

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