*, *::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: #F5F0E8;
  background-image:
    radial-gradient(circle at 15% 85%, rgba(232,169,58,0.10) 0%, transparent 40%),
    radial-gradient(circle at 85% 15%, rgba(20,125,125,0.08) 0%, transparent 40%);
  color: #2B2925;
  line-height: 1.6;
}

::selection { background:#E85D3F; 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:#EDE6DA; }

/* ===== 导航 ===== */
.site-header {
  position: fixed;
  top:0; left:0; width:100%;
  z-index: 1000;
  background: rgba(245,240,232,0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(216,207,192,0.7);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.35rem;
  text-decoration: none;
  color: #2B2925;
  letter-spacing: -0.02em;
}
.logo-icon {
  width: 40px; height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: linear-gradient(135deg, #E85D3F, #E8A93A);
  color: #fff;
  box-shadow: 0 4px 14px rgba(232,93,63,0.35);
  transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1);
}
.logo:hover .logo-icon { transform: rotate(-8deg) scale(1.06); }
.main-nav { display:flex; align-items:center; gap:30px; list-style:none; }
.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: #55503F;
  position: relative;
  transition: color 0.25s;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -5px; left: 0;
  width: 0%; height: 2px;
  background: #E85D3F;
  border-radius: 2px;
  transition: width 0.3s cubic-bezier(0.34,1.56,0.64,1);
}
.main-nav a:hover { color:#E85D3F; }
.main-nav a:hover::after { width:100%; }
.nav-cta {
  padding: 9px 24px !important;
  border-radius: 24px;
  background: #E85D3F !important;
  color: #fff !important;
  font-weight: 700 !important;
  box-shadow: 0 4px 16px rgba(232,93,63,0.35);
  transition: all 0.3s cubic-bezier(0.34,1.56,0.64,1) !important;
}
.nav-cta::after { display:none; }
.nav-cta:hover { transform: translateY(-2px); box-shadow:0 8px 24px rgba(232,93,63,0.45); }
.menu-toggle { display:none; background:none; border:none; font-size:1.5rem; cursor:pointer; color:#2B2925; padding:4px; }

/* ===== Hero ===== */
.hero {
  min-height: 82vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 130px 0 70px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -120px; right: -60px;
  width: 520px; height: 520px;
  background: linear-gradient(135deg, rgba(232,93,63,0.14), rgba(232,169,58,0.08));
  border-radius: 50%;
  z-index: 0;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 30px; left: 20px;
  width: 220px; height: 220px;
  background-image: radial-gradient(circle, #E8A93A 2px, transparent 2px);
  background-size: 22px 22px;
  opacity: 0.25;
  z-index: 0;
  pointer-events: none;
}
.hero-content {
  max-width: 720px;
  position: relative;
  z-index: 1;
  animation: heroFloatIn 0.8s ease-out both;
}
@keyframes heroFloatIn {
  from { opacity:0; transform:translateY(30px); }
  to { opacity:1; transform:translateY(0); }
}
.hero-eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 24px;
  margin-bottom: 18px;
  background: #E8A93A;
  color: #2B2925;
  box-shadow: 0 4px 12px rgba(232,169,58,0.3);
  letter-spacing: 0.5px;
}
.hero h1 {
  font-size: clamp(2.6rem, 5.2vw, 4rem);
  line-height: 1.08;
  margin-bottom: 22px;
  font-weight: 900;
  letter-spacing: -0.03em;
}
.hero h1 .text-accent {
  background: linear-gradient(120deg, #E85D3F, #E8A93A);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: relative;
}
.hero p {
  font-size: 1.15rem;
  opacity: 0.7;
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.7;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-image {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(60,40,30,0.14);
  position: relative;
  z-index: 1;
  transform: rotate(2deg);
  transition: transform 0.5s cubic-bezier(0.34,1.56,0.64,1);
  border: 4px solid #FFFBF4;
}
.hero-image:hover { transform: rotate(0deg) scale(1.01); }
.hero-image img { width:100%; height:auto; display:block; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 14px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.35s cubic-bezier(0.34,1.56,0.64,1);
  font-size: 0.95rem;
}
.btn-primary {
  color: #fff;
  background: #E85D3F;
  box-shadow: 0 6px 22px rgba(232,93,63,0.35);
}
.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 32px rgba(232,93,63,0.45);
}
.btn-outline {
  background: transparent;
  border: 2px solid #E85D3F;
  color: #E85D3F;
}
.btn-outline:hover {
  background: rgba(232,93,63,0.08);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(232,93,63,0.15);
}

/* ===== 标签/标题 ===== */
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 3px;
  margin-bottom: 14px;
  color: #147D7D;
  text-transform: uppercase;
  position: relative;
  padding-left: 36px;
}
.section-label::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  width: 26px; height: 2px;
  background: #E85D3F;
  transform: translateY(-50%);
}
.section-label::after {
  content: '';
  position: absolute;
  left: 26px; top: 50%;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #E8A93A;
  transform: translateY(-50%);
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 16px;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.section-desc {
  max-width: 600px;
  opacity: 0.68;
  margin-bottom: 44px;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ===== 卡片网格 ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 26px;
}
.category-card {
  border-radius: 18px;
  padding: 32px;
  background: #FFFBF4;
  border: 1.5px solid #D8CFC0;
  transition: all 0.4s cubic-bezier(0.34,1.56,0.64,1);
  position: relative;
  overflow: hidden;
}
.category-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, #E85D3F, #E8A93A);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1);
}
.category-card::after {
  content: '';
  position: absolute;
  bottom: -50px; right: -50px;
  width: 100px; height: 100px;
  border-radius: 50%;
  background: rgba(232,93,63,0.06);
  transition: all 0.4s;
}
.category-card:hover {
  transform: translateY(-8px) rotate(-0.5deg);
  box-shadow: 0 20px 40px rgba(60,40,30,0.12);
  border-color: rgba(232,93,63,0.4);
}
.category-card:hover::before { transform: scaleX(1); }
.category-card:hover::after { transform: scale(1.8); }
.card-icon {
  width: 56px; height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  background: linear-gradient(135deg, #E85D3F, #E8A93A);
  color: #fff;
  box-shadow: 0 4px 14px rgba(232,93,63,0.28);
  position: relative;
  z-index: 1;
}
.category-card:nth-child(2n) .card-icon {
  background: linear-gradient(135deg, #147D7D, #2BA8A8);
  box-shadow: 0 4px 14px rgba(20,125,125,0.28);
}
.category-card:nth-child(3n) .card-icon {
  background: linear-gradient(135deg, #E8A93A, #F2C879);
  box-shadow: 0 4px 14px rgba(232,169,58,0.3);
}
.card-link {
  font-weight: 700;
  font-size: 0.88rem;
  text-decoration: none;
  color: #147D7D;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  position: relative;
  z-index: 1;
  transition: gap 0.25s;
}
.card-link:hover { gap: 10px; color: #E85D3F; }

/* ===== 特性块 ===== */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.feature-image {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 48px rgba(60,40,30,0.12);
  border: 3px solid #FFFBF4;
  transform: rotate(-1deg);
  transition: transform 0.4s;
}
.feature-image:hover { transform: rotate(0deg); }
.feature-image img { width:100%; height:auto; display:block; }
.feature-text h3 { font-size:1.4rem; font-weight:800; margin-bottom:12px; letter-spacing:-0.01em; }
.feature-text p { opacity:0.7; line-height:1.7; margin-bottom:20px; }
.feature-list { list-style: none; }
.feature-list li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  font-weight: 500;
}
.feature-list li::before {
  content: '✓';
  font-weight: 800;
  color: #147D7D;
  background: rgba(20,125,125,0.12);
  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: 24px;
  text-align: center;
}
.stat-item {
  padding: 36px 24px;
  border-radius: 18px;
  background: #FFFBF4;
  border: 1.5px solid #D8CFC0;
  transition: all 0.35s cubic-bezier(0.34,1.56,0.64,1);
  position: relative;
  overflow: hidden;
}
.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(60,40,30,0.1);
}
.stat-number {
  font-size: 2.8rem;
  font-weight: 900;
  color: #E85D3F;
  line-height: 1;
  letter-spacing: -0.03em;
  display: block;
}
.stat-item:nth-child(2n) .stat-number { color:#147D7D; }
.stat-item:nth-child(3n) .stat-number { color:#E8A93A; }
.stat-label {
  font-size: 0.9rem;
  opacity: 0.6;
  margin-top: 10px;
  font-weight: 500;
}

/* ===== 内容墙 ===== */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 26px;
}
.content-wall-item {
  border-radius: 18px;
  overflow: hidden;
  background: #FFFBF4;
  border: 1.5px solid #D8CFC0;
  transition: all 0.4s cubic-bezier(0.34,1.56,0.64,1);
}
.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(60,40,30,0.12);
  border-color: rgba(20,125,125,0.3);
}
.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.34,1.56,0.64,1);
}
.content-wall-item:hover img { transform: scale(1.04); }
.content-wall-body { padding: 24px; }
.content-wall-body h4 { font-size:1.08rem; font-weight:700; margin-bottom:6px; }
.content-wall-body p { font-size:0.9rem; opacity:0.6; line-height:1.6; }

/* ===== FAQ ===== */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  border: 1.5px solid #D8CFC0;
  border-radius: 16px;
  margin-bottom: 12px;
  overflow: hidden;
  background: #FFFBF4;
  transition: all 0.3s;
}
.faq-item:hover { border-color: rgba(232,93,63,0.4); }
.faq-item .faq-question {
  padding: 20px 26px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-size: 1.02rem;
  color: #2B2925;
}
.faq-item .faq-question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 500;
  color: #E85D3F;
  transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1);
  line-height: 1;
}
.faq-item.open .faq-question::after {
  content: '−';
  transform: rotate(180deg);
}
.faq-item .faq-answer {
  padding: 0 26px 22px;
  display: none;
  opacity: 0.75;
  line-height: 1.7;
  font-size: 0.95rem;
}
.faq-item.open .faq-answer { display: block; }

/* ===== CTA横幅 ===== */
.cta-banner {
  padding: 72px 32px;
  text-align: center;
  border-radius: 24px;
  background: linear-gradient(135deg, #147D7D, #1E9E9E);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
}
.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -100px; left: -60px;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: rgba(232,169,58,0.15);
}
.cta-banner h2 {
  color: #fff;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 900;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
}
.cta-banner p { opacity: 0.85; margin-bottom: 28px; position: relative; z-index: 1; }
.cta-banner .btn-primary {
  background: #fff;
  color: #147D7D;
  box-shadow: 0 8px 28px rgba(0,0,0,0.15);
  position: relative;
  z-index: 1;
}
.cta-banner .btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 36px rgba(0,0,0,0.2);
}

/* ===== 页脚 ===== */
.site-footer {
  padding: 64px 0 28px;
  background: #EDE6DA;
  border-top: 3px solid #FFFBF4;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 44px;
}
.footer-brand h3 { font-size:1.3rem; font-weight:900; margin-bottom:10px; }
.footer-brand p { opacity:0.65; font-size:0.9rem; line-height:1.7; max-width:260px; }
.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: #2B2925;
  letter-spacing: 0.5px;
}
.footer-col a {
  color: rgba(43,41,37,0.7);
  text-decoration: none;
  display: block;
  padding: 5px 0;
  font-size: 0.9rem;
  transition: all 0.2s;
}
.footer-col a:hover { color: #E85D3F; transform: translateX(3px); }
.footer-bottom {
  border-top: 2px solid #D8CFC0;
  margin-top: 44px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(43,41,37,0.55);
  letter-spacing: 0.3px;
}

/* ===== 工具类 ===== */
.text-accent { color: #E85D3F; }
.text-center { text-align: center; }
.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.68;
  line-height: 1.7;
  font-size: 1.02rem;
}
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .hero { padding: 110px 0 50px; }
  .hero h1 { font-size: 2.4rem; }
  .hero::before { width: 300px; height: 300px; }
  .hero::after { display: none; }
  .feature-block { grid-template-columns: 1fr; gap: 36px; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .main-nav {
    display: none;
  }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 74px;
    left: 0;
    width: 100%;
    background: #F5F0E8;
    padding: 28px;
    gap: 18px;
    border-bottom: 1px solid #D8CFC0;
    box-shadow: 0 16px 32px rgba(60,40,30,0.1);
  }
  .main-nav a::after { display: none; }
  .menu-toggle { display: flex; }
  .cta-banner { padding: 48px 20px; }
  .section { padding: 56px 0; }
}

@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
  .hero h1 { font-size: 2rem; }
  .section-title { font-size: 1.6rem; }
  .stat-number { font-size: 2.2rem; }
  .header-inner { height: 64px; }
  .main-nav.open { top: 64px; }
}