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

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background: #FCF7F0;
  color: #2C1810;
  line-height: 1.6;
}

:root {
  --bg-primary: #FCF7F0;
  --bg-secondary: #F5EDE0;
  --bg-card: #FFFFFF;
  --gold: #C4A35A;
  --gold-light: #E8D5A8;
  --gold-dark: #A5833E;
  --coral: #FF6B4A;
  --coral-dark: #E05535;
  --text-dark: #2C1810;
  --text-medium: #6B5A4A;
  --text-light: #9A8A7A;
  --border-gold: rgba(196, 163, 90, 0.25);
  --shadow-gold: rgba(196, 163, 90, 0.12);
  --gold-gradient: linear-gradient(135deg, #C4A35A 0%, #DAB87A 50%, #C4A35A 100%);
  --coral-gradient: linear-gradient(135deg, #FF6B4A 0%, #FF8A6A 100%);
}

/* ===== 容器与布局 ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.section { padding: 100px 0; position: relative; }
.section:nth-child(even) { background: #F5EDE0; }

.section::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 80px; height: 3px;
  background: var(--gold-gradient);
  border-radius: 2px;
  opacity: 0.4;
}
.section:first-of-type::before { display: none; }

/* ===== 导航 ===== */
.site-header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: rgba(252, 247, 240, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-gold);
}

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; max-width: 1200px; margin: 0 auto; padding: 0 24px;
}

.logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 1.3rem; text-decoration: none; color: var(--text-dark);
  letter-spacing: 0.5px;
}

.logo-icon {
  width: 40px; height: 40px;
  background: var(--gold-gradient);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; color: #fff;
  box-shadow: 0 4px 12px rgba(196, 163, 90, 0.3);
}

.main-nav { display: flex; align-items: center; gap: 28px; list-style: none; }

.main-nav a {
  text-decoration: none; font-size: 0.9rem; font-weight: 500;
  color: var(--text-medium); transition: color 0.25s;
  position: relative; padding: 4px 0;
}
.main-nav a::after {
  content: '';
  position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
  background: var(--gold-gradient); border-radius: 2px;
  transition: width 0.3s;
}
.main-nav a:hover { color: var(--gold-dark); }
.main-nav a:hover::after { width: 100%; }

.nav-cta {
  padding: 10px 24px !important; border-radius: 8px;
  background: var(--coral-gradient) !important; color: #fff !important;
  font-weight: 600 !important; box-shadow: 0 4px 14px rgba(255, 107, 74, 0.25);
  transition: transform 0.25s, box-shadow 0.25s !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255, 107, 74, 0.35) !important; color: #fff !important; }

.menu-toggle { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--text-dark); padding: 4px; }

/* ===== Hero ===== */
.hero {
  min-height: 85vh; display: flex; align-items: center;
  background: var(--bg-primary); position: relative;
  padding-top: 72px;
  overflow: hidden;
}
.hero::before {
  content: '🐂';
  position: absolute; right: -40px; top: 50%;
  transform: translateY(-50%) rotate(15deg);
  font-size: 28vw; opacity: 0.04; pointer-events: none;
  line-height: 1;
}
.hero::after {
  content: '';
  position: absolute; top: 0; right: 0; width: 40%; height: 100%;
  background: radial-gradient(ellipse at center right, rgba(196,163,90,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero .container { display: flex; align-items: center; justify-content: space-between; gap: 60px; }

.hero-content { max-width: 620px; position: relative; z-index: 2; }

.hero-eyebrow {
  display: inline-block; font-size: 0.8rem; font-weight: 700;
  padding: 6px 18px; border-radius: 20px; margin-bottom: 20px;
  background: var(--gold-light); color: var(--gold-dark);
  letter-spacing: 1px; text-transform: uppercase;
}

.hero h1 {
  font-size: 3.4rem; line-height: 1.15; margin-bottom: 18px;
  font-weight: 900; color: var(--text-dark);
  letter-spacing: -0.5px;
}
.hero h1 .text-accent { color: var(--coral); }

.hero p {
  font-size: 1.1rem; color: var(--text-medium); max-width: 520px;
  margin-bottom: 36px; line-height: 1.7;
}

.hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-image {
  position: relative; z-index: 2;
  width: 480px; height: 480px; flex-shrink: 0;
  border-radius: 50%;
  background: var(--gold-gradient);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 20px 60px rgba(196, 163, 90, 0.25);
  animation: heroFloat 6s ease-in-out infinite;
}
@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}
.hero-image::after {
  content: '🐂';
  font-size: 10rem; color: #fff;
  text-shadow: 0 8px 24px rgba(0,0,0,0.1);
}
.hero-image img { display: none; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 8px;
  font-weight: 600; cursor: pointer; border: none;
  text-decoration: none; transition: all 0.25s;
  font-size: 0.95rem;
}

.btn-primary {
  background: var(--coral-gradient); color: #fff;
  box-shadow: 0 4px 16px rgba(255, 107, 74, 0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(255, 107, 74, 0.4); }

.btn-outline {
  background: transparent; border: 2px solid var(--gold);
  color: var(--gold-dark);
}
.btn-outline:hover { background: var(--gold); color: #fff; transform: translateY(-2px); box-shadow: 0 4px 16px var(--shadow-gold); }

.btn-gold {
  background: var(--gold-gradient); color: #fff;
  box-shadow: 0 4px 16px rgba(196, 163, 90, 0.3);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(196, 163, 90, 0.4); }

/* ===== 标签/标题 ===== */
.section-label {
  display: inline-block; font-size: 0.75rem; font-weight: 700;
  letter-spacing: 3px; margin-bottom: 12px;
  color: var(--gold); text-transform: uppercase;
  position: relative; padding-left: 32px;
}
.section-label::before {
  content: '';
  position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 20px; height: 2px; background: var(--gold);
  border-radius: 2px;
}

.section-title {
  font-size: 2.4rem; font-weight: 800; margin-bottom: 14px;
  color: var(--text-dark); line-height: 1.2;
  letter-spacing: -0.3px;
}

.section-desc {
  max-width: 580px; color: var(--text-medium);
  margin-bottom: 48px; font-size: 1.05rem; line-height: 1.7;
}

/* ===== 卡片网格 ===== */
.cards-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.category-card {
  border-radius: 16px; padding: 32px 28px;
  background: var(--bg-card); border: 1px solid var(--border-gold);
  transition: all 0.3s; position: relative; overflow: hidden;
}
.category-card::before {
  content: '';
  position: absolute; top: 0; left: 0; width: 4px; height: 0;
  background: var(--gold-gradient); border-radius: 0 0 4px 4px;
  transition: height 0.4s;
}
.category-card:hover { transform: translateY(-6px); box-shadow: 0 12px 36px var(--shadow-gold); border-color: var(--gold); }
.category-card:hover::before { height: 100%; }

.card-icon {
  width: 52px; height: 52px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px; font-size: 1.5rem;
  background: var(--bg-secondary);
}
.category-card h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 10px; }
.category-card p { color: var(--text-medium); font-size: 0.9rem; line-height: 1.6; margin-bottom: 16px; }

.card-link {
  font-weight: 600; font-size: 0.85rem; text-decoration: none;
  color: var(--gold-dark); display: inline-flex; align-items: center; gap: 6px;
  transition: gap 0.25s;
}
.card-link:hover { gap: 12px; }

/* ===== 特性块 ===== */
.feature-block {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}

.feature-image {
  border-radius: 16px; overflow: hidden;
  box-shadow: 0 8px 32px rgba(196, 163, 90, 0.15);
  position: relative;
}
.feature-image::before {
  content: '';
  position: absolute; inset: 0;
  border: 2px solid var(--border-gold); border-radius: 16px;
  pointer-events: none;
}
.feature-image img { width: 100%; height: auto; display: block; }
.feature-image-empty {
  width: 100%; aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--bg-secondary) 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 5rem; color: var(--gold);
}

.feature-text h3 { font-size: 1.8rem; font-weight: 800; margin-bottom: 16px; color: var(--text-dark); }
.feature-text p { color: var(--text-medium); line-height: 1.7; margin-bottom: 20px; }

.feature-list { list-style: none; }
.feature-list li {
  padding: 8px 0; display: flex; align-items: center; gap: 10px;
  font-weight: 500; color: var(--text-dark);
}
.feature-list li::before {
  content: '✓'; font-weight: 800; color: var(--gold);
  background: var(--gold-light); width: 24px; height: 24px;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; flex-shrink: 0;
}

/* ===== 数据条 ===== */
.stats-bar {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px;
  text-align: center;
}

.stat-item {
  padding: 32px 20px; border-radius: 16px;
  background: var(--bg-card); border: 1px solid var(--border-gold);
  transition: all 0.3s;
}
.stat-item:hover { transform: translateY(-4px); box-shadow: 0 8px 24px var(--shadow-gold); }

.stat-number {
  font-size: 2.8rem; font-weight: 900; color: var(--text-dark);
  background: var(--gold-gradient); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.9rem; color: var(--text-medium); margin-top: 8px;
  font-weight: 500;
}

/* ===== 内容墙 ===== */
.content-wall {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}

.content-wall-item {
  border-radius: 16px; overflow: hidden;
  background: var(--bg-card); border: 1px solid var(--border-gold);
  transition: all 0.3s;
}
.content-wall-item:hover { transform: translateY(-6px); box-shadow: 0 12px 36px var(--shadow-gold); }

.content-wall-item img { width: 100%; height: 220px; object-fit: cover; display: block; }
.content-wall-item .img-placeholder {
  width: 100%; height: 220px;
  background: linear-gradient(135deg, var(--gold-light), var(--bg-secondary));
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem; color: var(--gold);
}

.content-wall-body { padding: 24px; }
.content-wall-body h4 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.content-wall-body p { color: var(--text-medium); font-size: 0.9rem; line-height: 1.6; }
.content-wall-body .meta {
  display: flex; align-items: center; gap: 12px; margin-top: 12px;
  font-size: 0.8rem; color: var(--text-light);
}

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }

.faq-item {
  border: 1px solid var(--border-gold); border-radius: 12px;
  margin-bottom: 10px; overflow: hidden; cursor: pointer;
  background: var(--bg-card); transition: all 0.3s;
}
.faq-item:hover { border-color: var(--gold); }

.faq-item .faq-question {
  padding: 18px 24px; font-weight: 600; font-size: 1rem;
  display: flex; justify-content: space-between; align-items: center;
  color: var(--text-dark); transition: color 0.3s;
}
.faq-item .faq-question::after {
  content: '+'; font-size: 1.4rem; font-weight: 300;
  color: var(--gold); transition: transform 0.3s;
}
.faq-item.open .faq-question::after { transform: rotate(45deg); }
.faq-item.open .faq-question { color: var(--gold-dark); }

.faq-item .faq-answer {
  padding: 0 24px 20px; display: none;
  color: var(--text-medium); line-height: 1.7; font-size: 0.95rem;
}
.faq-item.open .faq-answer { display: block; }

/* ===== CTA横幅 ===== */
.cta-banner {
  padding: 64px 32px; text-align: center;
  border-radius: 20px;
  background: var(--gold-gradient);
  position: relative; overflow: hidden;
}
.cta-banner::before {
  content: '🐂';
  position: absolute; right: 40px; bottom: 20px;
  font-size: 8rem; opacity: 0.1; pointer-events: none;
}
.cta-banner::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.1) 0%, transparent 60%);
  pointer-events: none;
}

.cta-banner h2 {
  color: #fff; font-size: 2.2rem; font-weight: 800;
  margin-bottom: 12px; position: relative; z-index: 2;
}
.cta-banner p { color: rgba(255,255,255,0.85); margin-bottom: 28px; font-size: 1.05rem; position: relative; z-index: 2; }

.cta-banner .btn-primary {
  background: #fff; color: var(--gold-dark);
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}
.cta-banner .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,0,0,0.15); }

/* ===== 页脚 ===== */
.site-footer {
  padding: 64px 0 28px;
  background: #F5EDE0;
  border-top: 1px solid var(--border-gold);
  color: var(--text-dark);
}

.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
}

.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { color: var(--text-medium); font-size: 0.9rem; line-height: 1.7; max-width: 300px; }

.footer-col h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 16px; color: var(--text-dark); }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  text-decoration: none; color: var(--text-medium); font-size: 0.9rem;
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--gold-dark); }

.footer-bottom {
  border-top: 1px solid var(--border-gold);
  margin-top: 40px; padding-top: 20px;
  text-align: center; font-size: 0.85rem; color: var(--text-light);
}

/* ===== 工具类 ===== */
.text-accent { color: var(--coral); }
.text-gold { color: var(--gold); }
.text-center { text-align: center; }

.seo-description {
  max-width: 600px; margin: 0 auto 48px;
  color: var(--text-medium); line-height: 1.7;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ===== 额外装饰组件 ===== */
.divider-gold {
  width: 60px; height: 3px;
  background: var(--gold-gradient); border-radius: 3px;
  margin: 0 auto 24px;
}

.badge-gold {
  display: inline-block; padding: 4px 16px;
  background: var(--gold-light); color: var(--gold-dark);
  border-radius: 20px; font-size: 0.75rem; font-weight: 700;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero .container { flex-direction: column; text-align: center; }
  .hero-content { max-width: 100%; }
  .hero p { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .hero-image { width: 360px; height: 360px; }
  .hero h1 { font-size: 2.8rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .feature-block { gap: 40px; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .hero { min-height: auto; padding: 120px 0 60px; }
  .hero h1 { font-size: 2.2rem; }
  .hero-image { width: 260px; height: 260px; }
  .hero-image::after { font-size: 6rem; }
  .hero::before { font-size: 40vw; right: -20px; }

  .feature-block { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .section-title { font-size: 1.8rem; }
  .cta-banner { padding: 40px 24px; }
  .cta-banner h2 { font-size: 1.6rem; }

  .main-nav { display: none; }
  .menu-toggle { display: flex; align-items: center; justify-content: center; width: 40px; height: 40px; }
  .main-nav.open {
    display: flex; flex-direction: column;
    position: absolute; top: 72px; left: 0; width: 100%;
    background: var(--bg-primary); padding: 24px;
    border-bottom: 2px solid var(--border-gold);
    gap: 16px;
  }
  .main-nav.open a { font-size: 1rem; padding: 8px 0; }
  .nav-cta { text-align: center; }
}

@media (max-width: 480px) {
  .cards-grid, .content-wall, .stats-bar { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .footer-brand p { max-width: 100%; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
  .hero h1 { font-size: 1.8rem; }
  .hero-image { width: 200px; height: 200px; }
  .hero-image::after { font-size: 4.5rem; }
  .section-title { font-size: 1.5rem; }
  .stat-number { font-size: 2rem; }
  .feature-block { gap: 28px; }
  .feature-text h3 { font-size: 1.4rem; }
  .cta-banner h2 { font-size: 1.3rem; }
}

/* ===== 动画与微交互 ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-content { animation: fadeInUp 0.8s ease-out; }
.hero-image { animation: heroFloat 6s ease-in-out infinite, fadeInUp 0.8s ease-out 0.2s both; }

.category-card:nth-child(1) { animation: fadeInUp 0.6s ease-out 0.1s both; }
.category-card:nth-child(2) { animation: fadeInUp 0.6s ease-out 0.2s both; }
.category-card:nth-child(3) { animation: fadeInUp 0.6s ease-out 0.3s both; }
.category-card:nth-child(4) { animation: fadeInUp 0.6s ease-out 0.4s both; }

.stat-item:nth-child(1) { animation: fadeInUp 0.6s ease-out 0.1s both; }
.stat-item:nth-child(2) { animation: fadeInUp 0.6s ease-out 0.2s both; }
.stat-item:nth-child(3) { animation: fadeInUp 0.6s ease-out 0.3s both; }
.stat-item:nth-child(4) { animation: fadeInUp 0.6s ease-out 0.4s both; }

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--gold-light); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold); }

/* ===== 选中样式 ===== */
::selection { background: var(--gold); color: #fff; }