*, *::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: #FAF4EC; 
  color: #2D1B14; 
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection { background: #E8453A; color: #fff; }

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

.section { padding: 80px 0; position: relative; }
.section:nth-child(even) { background: #F5EDE3; }

/* ===== 导航 ===== */
.site-header { 
  position: fixed; 
  top: 0; left: 0; 
  width: 100%; 
  z-index: 1000; 
  background: rgba(250, 244, 236, 0.92); 
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(232, 69, 58, 0.08); 
}

.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: 12px; 
  font-weight: 800; 
  font-size: 1.3rem; 
  text-decoration: none; 
  color: #2D1B14;
  letter-spacing: -0.5px;
}

.logo-icon { 
  width: 40px; 
  height: 40px; 
  border-radius: 14px; 
  background: linear-gradient(135deg, #E8453A, #F0A338); 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  font-size: 0.8rem; 
  color: #fff;
  box-shadow: 0 4px 16px rgba(232, 69, 58, 0.3);
  position: relative;
}

.logo-icon::after {
  content: '▶';
  font-size: 0.65rem;
  margin-left: 2px;
}

.main-nav { 
  display: flex; 
  align-items: center; 
  gap: 32px; 
  list-style: none; 
}

.main-nav a { 
  text-decoration: none; 
  font-size: 0.92rem; 
  font-weight: 500; 
  color: #2D1B14;
  transition: color 0.3s ease;
  position: relative;
  padding: 4px 0;
}

.main-nav a:hover { color: #E8453A; }

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #E8453A, #F0A338);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.main-nav a:hover::after { width: 100%; }

.nav-cta { 
  padding: 10px 26px; 
  border-radius: 14px; 
  background: linear-gradient(135deg, #E8453A, #F0703A);
  color: #fff !important; 
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(232, 69, 58, 0.28);
  transition: transform 0.3s, box-shadow 0.3s !important;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232, 69, 58, 0.38) !important;
}

.nav-cta::after { display: none; }

.menu-toggle { 
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: #2D1B14;
  padding: 8px;
  line-height: 1;
}

/* ===== Hero ===== */
.hero { 
  min-height: 85vh; 
  display: flex; 
  align-items: center;
  justify-content: space-between;
  gap: 56px;
  position: relative;
  overflow: hidden;
  padding: 140px 24px 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  right: -160px;
  width: 460px;
  height: 460px;
  background: linear-gradient(135deg, rgba(232,69,58,0.12), rgba(240,163,56,0.22));
  border-radius: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  z-index: 0;
}

.hero::after {
  content: '♥';
  position: absolute;
  bottom: 40px;
  right: 100px;
  font-size: 10rem;
  color: rgba(232, 69, 58, 0.05);
  pointer-events: none;
  z-index: 0;
}

.hero-content { 
  flex: 1;
  max-width: 680px; 
  position: relative;
  z-index: 1;
}

.hero-eyebrow { 
  display: inline-block; 
  font-size: 0.85rem; 
  font-weight: 700; 
  padding: 8px 20px; 
  border-radius: 30px; 
  background: linear-gradient(135deg, rgba(232,69,58,0.1), rgba(240,163,56,0.12));
  color: #E8453A;
  margin-bottom: 24px; 
  letter-spacing: 2px;
  border: 1px solid rgba(232,69,58,0.1);
}

.hero h1 { 
  font-size: 3.4rem; 
  line-height: 1.12; 
  margin-bottom: 24px; 
  font-weight: 900;
  letter-spacing: -2px;
  color: #2D1B14;
}

.hero h1 .text-accent {
  color: #E8453A;
  position: relative;
  display: inline-block;
}

.hero h1 .text-accent::after {
  content: '';
  position: absolute;
  bottom: 6px;
  left: 0;
  width: 100%;
  height: 10px;
  background: rgba(240, 163, 56, 0.25);
  border-radius: 6px;
  z-index: -1;
}

.hero p { 
  font-size: 1.12rem; 
  opacity: 0.75; 
  max-width: 540px; 
  margin-bottom: 40px; 
  line-height: 1.75;
}

.hero-buttons { 
  display: flex; 
  gap: 16px; 
}

.hero-image { 
  flex: 1;
  border-radius: 28px; 
  overflow: hidden;
  box-shadow: 0 24px 56px rgba(232, 69, 58, 0.14);
  position: relative;
  z-index: 1;
  min-height: 480px;
  background: linear-gradient(135deg, #FCE8DD, #FDF6EF);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image img { 
  width: 100%; 
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ===== 按钮 ===== */
.btn { 
  display: inline-flex; 
  align-items: center; 
  gap: 10px; 
  padding: 15px 32px; 
  border-radius: 14px; 
  font-weight: 600; 
  font-size: 0.95rem;
  cursor: pointer; 
  border: none; 
  text-decoration: none; 
  transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
}

.btn-primary { 
  background: linear-gradient(135deg, #E8453A, #F0703A); 
  color: #fff;
  box-shadow: 0 8px 24px rgba(232, 69, 58, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 14px 36px rgba(232, 69, 58, 0.42);
}

.btn-outline { 
  background: transparent; 
  border: 2px solid #E8453A;
  color: #E8453A;
}

.btn-outline:hover {
  background: rgba(232, 69, 58, 0.06);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(232, 69, 58, 0.1);
}

/* ===== 标签/标题 ===== */
.section-label { 
  display: inline-block; 
  font-size: 0.8rem; 
  font-weight: 700; 
  letter-spacing: 3px; 
  text-transform: uppercase;
  color: #E8453A;
  margin-bottom: 14px; 
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #E8453A;
  margin-right: 10px;
  vertical-align: middle;
}

.section-title { 
  font-size: 2.4rem; 
  font-weight: 800;
  margin-bottom: 18px; 
  color: #2D1B14;
  letter-spacing: -1.5px;
  line-height: 1.25;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 5px;
  background: linear-gradient(90deg, #E8453A, #F0A338);
  border-radius: 6px;
  margin-top: 14px;
}

.text-center .section-title::after { margin: 14px auto 0; }

.section-desc { 
  max-width: 620px; 
  opacity: 0.7; 
  margin-bottom: 44px; 
  font-size: 1.06rem;
  line-height: 1.75;
}

/* ===== 卡片网格 ===== */
.cards-grid { 
  display: grid; 
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); 
  gap: 28px; 
}

.category-card { 
  border-radius: 24px; 
  padding: 32px; 
  background: #fff;
  border: 1px solid rgba(45, 27, 20, 0.04);
  box-shadow: 0 4px 20px rgba(45, 27, 20, 0.04);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #E8453A, #F0A338);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.category-card:hover { 
  transform: translateY(-8px); 
  box-shadow: 0 16px 40px rgba(45, 27, 20, 0.08);
}

.category-card:hover::before { opacity: 1; }

.card-icon { 
  width: 56px; 
  height: 56px; 
  border-radius: 18px; 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  margin-bottom: 20px; 
  font-size: 1.4rem;
  background: linear-gradient(135deg, rgba(232,69,58,0.08), rgba(240,163,56,0.1));
}

.card-link { 
  font-weight: 700; 
  font-size: 0.9rem; 
  text-decoration: none;
  color: #E8453A;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s ease;
}

.card-link:hover { gap: 10px; }

/* ===== 特性块 ===== */
.feature-block { 
  display: grid; 
  grid-template-columns: 1fr 1fr; 
  gap: 64px; 
  align-items: center; 
}

.feature-image { 
  border-radius: 28px; 
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(45, 27, 20, 0.07);
}

.feature-image img { 
  width: 100%; 
  height: auto; 
  display: block;
}

.feature-text .section-title { margin-top: 0; }

.feature-list { 
  list-style: none; 
  margin-top: 24px;
}

.feature-list li { 
  padding: 10px 0; 
  display: flex; 
  align-items: center; 
  gap: 12px;
  font-size: 1rem;
  color: #4A3F3A;
}

.feature-list li::before { 
  content: '✓'; 
  font-weight: 700; 
  color: #175D5A;
  background: rgba(23, 93, 90, 0.08);
  width: 26px;
  height: 26px;
  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: 36px 24px; 
  border-radius: 24px; 
  background: #fff;
  border: 1px solid rgba(45, 27, 20, 0.04);
  box-shadow: 0 4px 20px rgba(45, 27, 20, 0.04);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.stat-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 36px rgba(232, 69, 58, 0.1);
}

.stat-number { 
  font-size: 2.8rem; 
  font-weight: 900;
  color: #E8453A;
  letter-spacing: -1.5px;
  line-height: 1.15;
  background: linear-gradient(135deg, #E8453A, #F0A338);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label { 
  font-size: 0.95rem; 
  opacity: 0.65; 
  margin-top: 8px;
  font-weight: 500;
}

/* ===== 内容墙 ===== */
.content-wall { 
  display: grid; 
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); 
  gap: 28px; 
}

.content-wall-item { 
  border-radius: 22px; 
  overflow: hidden; 
  background: #fff;
  border: 1px solid rgba(45, 27, 20, 0.04);
  box-shadow: 0 4px 20px rgba(45, 27, 20, 0.04);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  position: relative;
}

.content-wall-item::after {
  content: '▶';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #E8453A, #F0703A);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  padding-left: 4px;
  opacity: 0;
  transition: opacity 0.35s ease, transform 0.35s ease;
  box-shadow: 0 8px 24px rgba(232, 69, 58, 0.4);
  pointer-events: none;
}

.content-wall-item:hover::after {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.content-wall-item:hover { 
  transform: translateY(-8px); 
  box-shadow: 0 20px 48px rgba(45, 27, 20, 0.08);
}

.content-wall-item img { 
  width: 100%; 
  height: 200px; 
  object-fit: cover;
  transition: transform 0.6s ease;
}

.content-wall-item:hover img { transform: scale(1.06); }

.content-wall-body { 
  padding: 22px; 
}

.content-wall-body h3 {
  font-size: 1.08rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.content-wall-body p {
  font-size: 0.9rem;
  opacity: 0.6;
  line-height: 1.55;
}

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

.faq-item { 
  border: 1px solid rgba(45, 27, 20, 0.07);
  border-radius: 18px; 
  margin-bottom: 14px; 
  overflow: hidden; 
  cursor: pointer;
  background: #fff;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.faq-item:hover {
  border-color: rgba(232, 69, 58, 0.2);
  box-shadow: 0 8px 24px rgba(45, 27, 20, 0.04);
}

.faq-item.open {
  border-color: rgba(232, 69, 58, 0.15);
  box-shadow: 0 8px 24px rgba(232, 69, 58, 0.06);
}

.faq-item .faq-question { 
  padding: 20px 26px; 
  font-weight: 600; 
  font-size: 1.02rem;
  display: flex; 
  justify-content: space-between; 
  align-items: center;
  color: #2D1B14;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: #E8453A;
  transition: transform 0.35s ease;
  flex-shrink: 0;
  margin-left: 20px;
}

.faq-item.open .faq-question::after { transform: rotate(45deg); }

.faq-item .faq-answer { 
  padding: 0 26px 22px; 
  display: none; 
  opacity: 0.75;
  font-size: 0.96rem;
  line-height: 1.7;
}

.faq-item.open .faq-answer { 
  display: block; 
  animation: faqFade 0.35s ease;
}

@keyframes faqFade {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 0.75; transform: translateY(0); }
}

/* ===== CTA ===== */
.cta-banner { 
  padding: 72px 40px; 
  text-align: center; 
  border-radius: 32px; 
  background: linear-gradient(135deg, #E8453A, #F0703A 55%, #F0A338);
  color: #fff; 
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 48px rgba(232, 69, 58, 0.28);
}

.cta-banner::before {
  content: '♥';
  position: absolute;
  top: -40px;
  right: -30px;
  font-size: 12rem;
  color: rgba(255, 255, 255, 0.08);
  pointer-events: none;
  line-height: 1;
}

.cta-banner::after {
  content: '▶';
  position: absolute;
  bottom: -20px;
  left: 30px;
  font-size: 7rem;
  color: rgba(255, 255, 255, 0.05);
  pointer-events: none;
}

.cta-banner h2 { 
  color: #fff; 
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
  letter-spacing: -1px;
}

.cta-banner h2::after { display: none; }

.cta-banner p {
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 32px;
  position: relative;
  font-size: 1.08rem;
  line-height: 1.7;
}

.cta-banner .btn-primary { 
  background: #fff; 
  color: #E8453A;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
  font-size: 1rem;
}

.cta-banner .btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
}

/* ===== 页脚 ===== */
.site-footer { 
  padding: 72px 0 28px; 
  background: #EFE6DC;
  color: #2D1B14;
}

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

.footer-brand p {
  opacity: 0.75;
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 16px;
  max-width: 320px;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.2rem;
  text-decoration: none;
  color: #2D1B14;
  margin-bottom: 16px;
}

.footer-brand .footer-logo .footer-icon {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, #E8453A, #F0A338);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: #fff;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: #2D1B14;
  letter-spacing: 0.5px;
}

.footer-col ul { list-style: none; }

.footer-col ul li { margin-bottom: 10px; }

.footer-col ul li a {
  text-decoration: none;
  color: rgba(45, 27, 20, 0.7);
  font-size: 0.92rem;
  transition: color 0.3s;
}

.footer-col ul li a:hover { color: #E8453A; }

.footer-bottom { 
  border-top: 1px solid rgba(45, 27, 20, 0.1); 
  margin-top: 56px; 
  padding-top: 24px; 
  text-align: center; 
  font-size: 0.85rem;
  opacity: 0.6;
}

/* ===== 工具类 ===== */
.text-accent { 
  color: #175D5A; 
  font-weight: 700;
}

.text-center { text-align: center; }

.seo-description { 
  max-width: 620px; 
  margin: 0 auto 48px; 
  opacity: 0.7;
  line-height: 1.75;
}

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

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .hero { 
    min-height: auto; 
    padding: 140px 24px 60px;
    flex-direction: column;
    gap: 40px;
  }

  .hero::before { width: 260px; height: 260px; right: -100px; }
  .hero::after { font-size: 5rem; right: 20px; bottom: 20px; }

  .hero h1 { font-size: 2.3rem; }
  .hero p { font-size: 1rem; }

  .hero-image { min-height: 280px; width: 100%; }

  .feature-block { grid-template-columns: 1fr; gap: 40px; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }

  .main-nav { display: none; }
  .menu-toggle { display: flex; }

  .main-nav.open { 
    display: flex; 
    flex-direction: column; 
    position: absolute; 
    top: 72px; 
    left: 0; 
    width: 100%; 
    background: rgba(250, 244, 236, 0.98);
    backdrop-filter: blur(20px);
    padding: 24px 28px; 
    gap: 18px;
    border-bottom: 1px solid rgba(232, 69, 58, 0.1);
    box-shadow: 0 16px 32px rgba(45, 27, 20, 0.06);
  }

  .main-nav.open a { font-size: 1.05rem; padding: 10px 0; }
  .main-nav.open .nav-cta { text-align: center; padding: 14px; }

  .section-title { font-size: 2rem; }
  .cta-banner { padding: 56px 24px; border-radius: 24px; }
  .cta-banner h2 { font-size: 1.8rem; }

  .stat-number { font-size: 2.2rem; }
}

@media (max-width: 480px) {
  .cards-grid, .content-wall, .stats-bar { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; justify-content: center; }

  .section { padding: 56px 0; }
  .section-title { font-size: 1.7rem; }
  .hero h1 { font-size: 2rem; letter-spacing: -1px; }

  .cta-banner { padding: 48px 20px; }
  .cta-banner h2 { font-size: 1.5rem; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { font-size: 0.8rem; }

  .stat-item { padding: 28px 16px; }
  .stat-number { font-size: 2rem; }

  .content-wall-item img { height: 180px; }
}