/* ========== 0080 酒红+香槟金「高端VIP风」CSS ========== */

:root {
  --wine: #991b1b;
  --wine-dark: #7f1d1d;
  --wine-deeper: #450a0a;
  --gold: #fcd34d;
  --gold-light: #fde68a;
  --gold-pale: #fef3c7;
  --cream: #fefce8;
  --white: #ffffff;
  --gray: #a8a29e;
  --gray-light: #d6d3d1;
  --dark: #1c1917;
  --card-bg: #1c1917;
  --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --glow: 0 0 20px rgba(252, 211, 77, 0.3);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Georgia', 'Times New Roman', 'PingFang SC', 'Microsoft YaHei', serif;
  color: #e7e5e4;
  background: #0c0a09;
  line-height: 1.8;
  overflow-x: hidden;
}

/* ========== Navbar ========== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(127, 29, 29, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.9rem 0;
  border-bottom: 1px solid rgba(252, 211, 77, 0.2);
}
.navbar .container {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2rem;
}
.navbar .logo {
  font-size: 1.5rem; font-weight: 700;
  color: var(--gold); text-decoration: none;
  letter-spacing: 2px;
  font-family: Georgia, serif;
}
.navbar .logo span { color: var(--white); font-weight: 400; font-size: 0.9rem; letter-spacing: 1px; }
.nav-links { display: flex; gap: 2rem; list-style: none; align-items: center; }
.nav-links a {
  color: rgba(255,255,255,0.85); text-decoration: none;
  font-weight: 500; font-size: 0.9rem;
  letter-spacing: 1px; transition: var(--transition);
}
.nav-links a:hover { color: var(--gold); }
.nav-links .btn-nav {
  background: linear-gradient(135deg, var(--gold), #ca8a04);
  color: var(--wine-deeper) !important;
  padding: 0.6rem 1.8rem; border-radius: 4px;
  font-weight: 700; font-size: 0.9rem;
  letter-spacing: 1px; transition: var(--transition);
}
.nav-links .btn-nav:hover {
  background: var(--gold-light);
  box-shadow: var(--glow); transform: translateY(-1px);
}
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; background: none; border: none; padding: 5px;
}
.hamburger span { display: block; width: 26px; height: 2px; background: var(--gold); transition: var(--transition); }

/* ========== Hero ========== */
.hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  text-align: center; position: relative;
  background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.75)),
              url('https://picsum.photos/1920/1080?random=8001') center/cover no-repeat;
  padding: 6rem 2rem 4rem;
}
.hero-content { position: relative; z-index: 1; max-width: 800px; }
.hero .gold-line {
  width: 80px; height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  margin: 1.5rem auto;
}
.hero h1 {
  font-size: 3.8rem; font-weight: 700; color: var(--white);
  line-height: 1.2; margin-bottom: 1rem;
  font-family: Georgia, serif; letter-spacing: 2px;
}
.hero h1 .hl { color: var(--gold); font-style: italic; display: block; font-size: 2rem; margin-top: 0.3rem; }
.hero p { color: rgba(255,255,255,0.7); font-size: 1.15rem; max-width: 560px; margin: 0 auto 2rem; line-height: 1.8; }
.hero-btns { display: flex; gap: 1.2rem; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  background: linear-gradient(135deg, var(--gold), #ca8a04);
  color: var(--wine-deeper); padding: 0.9rem 2.4rem;
  border-radius: 4px; text-decoration: none;
  font-weight: 700; letter-spacing: 2px;
  transition: var(--transition); border: none; cursor: pointer;
  font-size: 1rem; font-family: inherit;
}
.btn-primary:hover {
  box-shadow: 0 8px 30px rgba(252, 211, 77, 0.35);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent; color: var(--gold);
  padding: 0.9rem 2.4rem; border-radius: 4px;
  text-decoration: none; font-weight: 700;
  letter-spacing: 2px; border: 2px solid var(--gold);
  transition: var(--transition);
}
.btn-outline:hover { background: var(--gold); color: var(--wine-deeper); }

/* ========== Section Common ========== */
section { padding: 5rem 2rem; }
.section-tag {
  font-size: 0.85rem; letter-spacing: 4px; text-transform: uppercase;
  color: var(--gold); margin-bottom: 0.5rem;
  font-weight: 600; text-align: center;
}
.section-title {
  font-size: 2.6rem; font-weight: 700; color: var(--white);
  margin-bottom: 0.8rem; line-height: 1.3;
  text-align: center; font-family: Georgia, serif;
}
.section-desc {
  color: var(--gray); font-size: 1.05rem;
  max-width: 560px; text-align: center;
  margin-left: auto; margin-right: auto;
}

/* ========== Features ========== */
#features { background: #0c0a09; }
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 2rem; max-width: 1100px; margin: 3rem auto 0;
}
.feat-card {
  background: var(--card-bg); padding: 2.5rem 2rem;
  border-radius: 4px; text-align: center;
  border: 1px solid rgba(252, 211, 77, 0.3);
  transition: var(--transition);
}
.feat-card:hover {
  border-color: var(--gold);
  box-shadow: 0 0 30px rgba(252, 211, 77, 0.15),
              inset 0 0 30px rgba(252, 211, 77, 0.05);
  transform: translateY(-4px);
}
.feat-card .feat-icon { font-size: 2.6rem; color: var(--gold); margin-bottom: 1.2rem; }
.feat-card h3 { font-size: 1.2rem; color: var(--gold); margin-bottom: 0.7rem; font-weight: 700; letter-spacing: 1px; }
.feat-card p { color: var(--gray); font-size: 0.95rem; }

/* ========== Stats ========== */
#stats {
  background: var(--wine-dark);
  text-align: center;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; max-width: 1000px; margin: 0 auto; }
.stat-num {
  font-size: 3.5rem; font-weight: 700; color: var(--gold);
  line-height: 1; font-family: Georgia, serif;
  margin-bottom: 0.5rem;
}
.stat-label { color: rgba(255,255,255,0.7); font-size: 0.9rem; letter-spacing: 2px; text-transform: uppercase; }

/* ========== Testimonials ========== */
#testimonials { background: #0c0a09; }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; max-width: 1100px; margin: 3rem auto 0; }
.testi-card {
  background: var(--card-bg); padding: 2.5rem 2rem;
  border-radius: 4px; position: relative;
  border: 1px solid rgba(252, 211, 77, 0.25);
  transition: var(--transition); text-align: center;
}
.testi-card:hover { border-color: var(--gold); box-shadow: var(--glow); }
.testi-quote {
  font-size: 3rem; color: var(--gold);
  line-height: 0.5; font-family: Georgia, serif;
  margin-bottom: 1.5rem; opacity: 0.6;
}
.testi-avatar {
  width: 70px; height: 70px; border-radius: 50%;
  object-fit: cover; margin: 0 auto 1rem;
  border: 2px solid var(--gold);
}
.testi-text { color: var(--gray); font-size: 0.95rem; line-height: 1.7; margin-bottom: 1rem; font-style: italic; }
.testi-name { color: var(--gold); font-weight: 700; letter-spacing: 1px; }

/* ========== FAQ ========== */
#faq { background: var(--wine-dark); }
.faq-container { max-width: 720px; margin: 3rem auto 0; }
.faq-item { margin-bottom: 0.5rem; border-radius: 4px; overflow: hidden; }
.faq-q {
  width: 100%; padding: 1.2rem 1.5rem; text-align: left;
  background: #1c1917; border: none; cursor: pointer;
  font-size: 1rem; font-weight: 600; color: #e7e5e4;
  display: flex; justify-content: space-between; align-items: center;
  transition: var(--transition); font-family: inherit;
  border-left: 3px solid transparent;
}
.faq-q:hover { color: var(--gold); }
.faq-q i { color: var(--gold); font-size: 0.9rem; transition: transform 0.3s; }
.faq-q.active i { transform: rotate(45deg); }
.faq-q.active { color: var(--gold); border-left-color: var(--gold); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; background: #292524; }
.faq-a.open { max-height: 200px; padding: 1.2rem 1.5rem; }
.faq-a p { color: var(--gray-light); font-size: 0.95rem; line-height: 1.8; }

/* ========== CTA ========== */
#cta {
  background: linear-gradient(135deg, var(--wine) 0%, var(--wine-deeper) 100%);
  text-align: center; padding: 5rem 2rem;
}
#cta .section-title { color: var(--white); }
#cta .section-desc { color: rgba(255,255,255,0.75); margin-left: auto; margin-right: auto; }
#cta .btn-primary {
  font-size: 1.1rem; padding: 1.1rem 3rem;
  letter-spacing: 2px;
}

/* ========== Footer ========== */
.footer { background: var(--wine-deeper); padding: 3rem 2rem 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; max-width: 1200px; margin: 0 auto 2rem; }
.footer h3 { color: var(--gold); font-size: 1.1rem; margin-bottom: 1rem; font-weight: 700; letter-spacing: 1px; }
.footer a { color: var(--gray); text-decoration: none; transition: var(--transition); display: block; margin-bottom: 0.5rem; font-size: 0.9rem; }
.footer a:hover { color: var(--gold); }
.footer-bottom { text-align: center; padding-top: 2rem; border-top: 1px solid rgba(252, 211, 77, 0.15); font-size: 0.85rem; max-width: 1200px; margin: 0 auto; color: var(--gray); }

/* ========== Responsive ========== */
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: rgba(127,29,29,0.98); padding: 1.5rem 2rem; gap: 1rem; }
  .nav-links.open { display: flex; }
  .hero h1 { font-size: 2.6rem; }
  .hero h1 .hl { font-size: 1.5rem; }
  .features-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .section-title { font-size: 2rem; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 2rem; }
  .hero h1 .hl { font-size: 1.2rem; }
  .stats-grid { grid-template-columns: 1fr; }
}