*, *::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: #FFF9F5;
  color: #3D3A3E;
  line-height: 1.6;
  letter-spacing: 0.01em;
}

::selection {
  background: #FFB5A7;
  color: #3D3A3E;
}

.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; position: relative; }
.section:nth-child(even) { background:#F7FEF9; }

/* 装饰性波浪边界 */
.section::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 0;
  width: 100%;
  height: 40px;
  background: radial-gradient(ellipse at center, rgba(255,181,167,0.15) 0%, transparent 70%);
  pointer-events: none;
}

/* ===== 导航 ===== */
.site-header { 
  position:fixed; 
  top:0; 
  left:0; 
  width:100%; 
  z-index:1000; 
  background:rgba(255,249,245,0.92); 
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,181,167,0.3);
  box-shadow: 0 2px 30px rgba(255,181,167,0.08);
}
.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:10px; 
  font-weight:800; 
  font-size:1.25rem; 
  text-decoration:none; 
  color:#3D3A3E;
  letter-spacing: -0.02em;
}
.logo-icon { 
  width:40px; 
  height:40px; 
  border-radius:50%; 
  display:flex; 
  align-items:center; 
  justify-content:center; 
  font-size:1.1rem;
  background: linear-gradient(135deg, #FFB5A7, #FF6F61);
  color: #fff;
  box-shadow: 0 4px 12px rgba(255,111,97,0.3);
}
.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:#5A5558;
  position: relative;
  padding: 4px 0;
  transition: color 0.3s;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: #FF6F61;
  border-radius: 2px;
  transition: width 0.3s ease;
}
.main-nav a:hover {
  color: #FF6F61;
}
.main-nav a:hover::after {
  width: 100%;
}
.nav-cta { 
  padding:10px 24px !important; 
  border-radius:50px; 
  color:#fff !important; 
  font-weight:700;
  background: linear-gradient(135deg, #FF6F61, #FFB5A7);
  box-shadow: 0 4px 16px rgba(255,111,97,0.25);
  transition: transform 0.3s, box-shadow 0.3s !important;
}
.nav-cta::after { display:none; }
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255,111,97,0.35) !important;
  color: #fff !important;
}
.menu-toggle { 
  display:none; 
  width:44px;
  height:44px;
  border-radius:50%;
  background:#FFEFE9;
  border: none;
  cursor: pointer;
  align-items:center;
  justify-content:center;
  font-size: 1.2rem;
  color: #FF6F61;
}

/* ===== Hero ===== */
.hero { 
  min-height:80vh; 
  display:flex; 
  align-items:center;
  background: 
    radial-gradient(ellipse at 10% 20%, rgba(255,181,167,0.25) 0%, transparent 50%),
    radial-gradient(ellipse at 90% 80%, rgba(184,224,193,0.3) 0%, transparent 50%);
  padding: 120px 0 80px;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  top: 15%;
  right: 5%;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  border: 2px dashed #FFB5A7;
  opacity: 0.5;
  animation: spin 40s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.hero-content { max-width:720px; position: relative; z-index: 5; }
.hero-eyebrow { 
  display:inline-block; 
  font-size:0.82rem; 
  font-weight:700; 
  padding:6px 18px; 
  border-radius:30px; 
  margin-bottom:20px;
  background: #E8F5E9;
  color: #4A9B5C;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}
.hero h1 { 
  font-size:3.2rem; 
  line-height:1.15; 
  margin-bottom:22px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #2C2A2E;
}
.hero h1 .accent-text {
  color: #FF6F61;
  position: relative;
  display: inline-block;
}
.hero h1 .accent-text::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 8px;
  background: rgba(255,181,167,0.4);
  border-radius: 4px;
  z-index: -1;
}
.hero p { 
  font-size:1.12rem; 
  color:#6B6669; 
  max-width:560px; 
  margin-bottom:36px;
  line-height: 1.7;
}
.hero-buttons { display:flex; gap:14px; }
.hero-image { 
  border-radius:24px; 
  overflow:hidden;
  box-shadow: 20px 20px 50px rgba(255,181,167,0.2);
}
.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:50px; 
  font-weight:700; 
  cursor:pointer; 
  border:none; 
  text-decoration:none;
  font-size: 0.95rem;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.btn-primary { 
  color:#fff; 
  background: linear-gradient(135deg, #FF6F61, #FF8E7A);
  box-shadow: 0 6px 20px rgba(255,111,97,0.3);
}
.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 30px rgba(255,111,97,0.4);
}
.btn-outline { 
  background:transparent; 
  border:2px solid #FFB5A7;
  color: #FF6F61;
}
.btn-outline:hover {
  background: #FFEFE9;
  transform: translateY(-2px);
  border-color: #FF6F61;
}

/* ===== 标签/标题 ===== */
.section-label { 
  display:inline-block; 
  font-size:0.8rem; 
  font-weight:700; 
  letter-spacing:2.5px; 
  margin-bottom:14px;
  color: #FF6F61;
  text-transform: uppercase;
  position: relative;
  padding-left: 20px;
}
.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #FFB5A7;
}
.section-title { 
  font-size:2.2rem; 
  margin-bottom:16px;
  color: #2C2A2E;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.section-desc { 
  max-width:600px; 
  color:#6B6669; 
  margin-bottom:48px;
  font-size: 1.05rem;
}

/* ===== 卡片网格 ===== */
.cards-grid { 
  display:grid; 
  grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); 
  gap:28px; 
}
.category-card { 
  border-radius:20px; 
  padding:32px; 
  background: #fff;
  border: 1px solid rgba(255,181,167,0.2);
  box-shadow: 0 4px 20px rgba(61,58,62,0.04);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
  position: relative;
  overflow: hidden;
}
.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 80px;
  border-radius: 0 0 0 80px;
  background: rgba(255,181,167,0.08);
  transition: all 0.4s;
}
.category-card:hover { 
  transform:translateY(-6px); 
  box-shadow: 0 20px 40px rgba(255,111,97,0.12);
  border-color: rgba(255,111,97,0.3);
}
.category-card:hover::before {
  width: 120px;
  height: 120px;
  border-radius: 0 0 0 120px;
}
.card-icon { 
  width:56px; 
  height:56px; 
  border-radius:18px; 
  display:flex; 
  align-items:center; 
  justify-content:center; 
  margin-bottom:20px; 
  font-size:1.6rem;
  background: linear-gradient(135deg, #FFEFE9, #FFF9F5);
}
.category-card:nth-child(2) .card-icon {
  background: linear-gradient(135deg, #E8F5E9, #F7FEF9);
}
.category-card:nth-child(3) .card-icon {
  background: linear-gradient(135deg, #E3F2FD, #F5FAFD);
}
.category-card:nth-child(4) .card-icon {
  background: linear-gradient(135deg, #FCE4EC, #FFF0F5);
}
.category-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #2C2A2E;
}
.category-card p {
  font-size: 0.9rem;
  color: #8A8588;
  line-height: 1.5;
}
.card-link { 
  font-weight:700; 
  font-size:0.85rem; 
  text-decoration:none;
  color: #FF6F61;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  transition: gap 0.3s;
}
.card-link:hover {
  gap: 12px;
}

/* ===== 特性块 ===== */
.feature-block { 
  display:grid; 
  grid-template-columns:1fr 1fr; 
  gap:64px; 
  align-items:center; 
}
.feature-image { 
  border-radius:24px; 
  overflow:hidden;
  box-shadow: -20px 20px 50px rgba(184,224,193,0.25);
  position: relative;
}
.feature-image::after {
  content: '';
  position: absolute;
  bottom: -8px;
  right: -8px;
  width: 100%;
  height: 100%;
  border: 2px solid #B8E0C1;
  border-radius: 24px;
  z-index: -1;
}
.feature-image img { width:100%; height:auto; display:block; }
.feature-text { padding: 20px 0; }
.feature-text h3 {
  font-size: 1.4rem;1: 1.4rem;
  margin-bottom: 12px;
  color: #2C2A2E;
}
.feature-text p {
  color: #6B6669;
  line-height: 1.7;
  margin-bottom: 20px;
}
.feature-list { list-style:none; margin-top: 20px; }
.feature-list li { 
  padding:10px 0; 
  display:flex; 
  align-items:center; 
  gap:12px;
  font-size: 0.95rem;
  color: #4A4548;
}
.feature-list li::before { 
  content:'✓'; 
  font-weight:800; 
  color: #4A9B5C;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #E8F5E9;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
}

/* ===== 数据条 ===== */
.stats-bar { 
  display:grid; 
  grid-template-columns:repeat(4,1fr); 
  gap:24px; 
  text-align:center;
  background: white;
  border-radius: 30px;
  padding: 40px;
  box-shadow: 0 10px 40px rgba(61,58,62,0.06);
  border: 1px solid rgba(255,181,167,0.15);
}
.stat-item { 
  padding:16px; 
  border-radius:20px; 
  border:1px solid transparent;
  transition: all 0.3s;
}
.stat-item:nth-child(1) .stat-number { color: #FF6F61; }
.stat-item:nth-child(2) .stat-number { color: #4A9B5C; }
.stat-item:nth-child(3) .stat-number { color: #5B9BD5; }
.stat-item:nth-child(4) .stat-number { color: #E573B5; }
.stat-item:hover {
  border-color: #FFE0D8;
  background: #FFF9F5;
}
.stat-number { 
  font-size:2.4rem; 
  font-weight:800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.stat-number::after {
  content: '+';
  font-size: 1.4rem;
  vertical-align: super;
}
.stat-label { 
  font-size:0.9rem; 
  color:#8A8588; 
  margin-top:8px;
  letter-spacing: 0.5px;
}

/* ===== 内容墙 ===== */
.content-wall { 
  display:grid; 
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); 
  gap:28px; 
}
.content-wall-item { 
  border-radius:20px; 
  overflow:hidden; 
  background: #fff;
  border:1px solid rgba(61,58,62,0.08);
  transition: all 0.4s;
}
.content-wall-item:hover { 
  transform:translateY(-6px); 
  box-shadow: 0 20px 40px rgba(61,58,62,0.1);
  border-color: rgba(255,111,97,0.25);
}
.content-wall-item img { 
  width:100%; 
  height:220px; 
  object-fit:cover;
  transition: transform 0.5s;
}
.content-wall-item:hover img {
  transform: scale(1.03);
}
.content-wall-body { 
  padding:24px;
}
.content-wall-body h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #2C2A2E;
  margin-bottom: 6px;
}
.content-wall-body p {
  font-size: 0.88rem;
  color: #8A8588;
  line-height: 1.5;
}

/* ===== FAQ ===== */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { 
  border:1px solid rgba(61,58,62,0.1); 
  border-radius:16px; 
  margin-bottom:12px; 
  overflow:hidden; 
  cursor:pointer;
  background: #fff;
  transition: all 0.3s;
}
.faq-item:hover {
  border-color: rgba(255,111,97,0.3);
}
.faq-item .faq-question { 
  padding:20px 24px; 
  font-weight:600; 
  display:flex; 
  justify-content:space-between;
  align-items: center;
  color: #2C2A2E;
  font-size: 1rem;
}
.faq-item .faq-question::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: #FF6F61;
  transition: transform 0.3s;
}
.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}
.faq-item .faq-answer { 
  padding:0 24px 20px; 
  display:none; 
  color:#6B6669;
  line-height: 1.7;
  font-size: 0.93rem;
}
.faq-item.open .faq-answer { display:block; }

/* ===== CTA横幅 ===== */
.cta-banner { 
  padding:64px 48px; 
  text-align:center; 
  border-radius:32px; 
  color:#fff;
  background: linear-gradient(135deg, #FF6F61, #FF8E7A, #FFB5A7);
  box-shadow: 0 20px 50px rgba(255,111,97,0.35);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 60%;
  height: 200%;
  background: rgba(255,255,255,0.1);
  transform: rotate(30deg);
  animation: shine 4s ease-in-out infinite;
}
@keyframes shine {
  0%, 100% { left: -40%; }
  50% { left: 110%; }
}
.cta-banner h2 { 
  color:#fff; 
  font-size: 2rem;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  position: relative;
  z-index: 2;
}
.cta-banner p {
  color: rgba(255,255,255,0.9);
  margin-bottom: 28px;
  position: relative;
  z-index: 2;
}
.cta-banner .btn-primary { 
  background:#fff; 
  color: #FF6F61;
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  position: relative;
  z-index: 2;
}
.cta-banner .btn-primary:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 12px 30px rgba(0,0,0,0.15);
}

/* ===== 页脚 ===== */
.site-footer { 
  padding:64px 0 28px; 
  background: #2C2A2E;
  color: rgba(255,255,255,0.7);
  margin-top: 80px;
}
.site-footer .container { }
.footer-grid { 
  display:grid; 
  grid-template-columns:2fr 1fr 1fr 1fr; 
  gap:48px; 
}
.footer-brand h3 {
  color: #fff;
  font-size: 1.3rem;
  margin-bottom: 12px;
}
.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  opacity: 0.6;
}
.footer-col h4 {
  color: #FFB5A7;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.footer-col a {
  display: block;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 4px 0;
  transition: color 0.3s, padding-left 0.3s;
}
.footer-col a:hover {
  color: #FFB5A7;
  padding-left: 6px;
}
.footer-bottom { 
  border-top:1px solid rgba(255,255,255,0.1); 
  margin-top:48px; 
  padding-top:20px; 
  text-align:center; 
  font-size:0.85rem;
  opacity: 0.5;
}

/* ===== 工具类 ===== */
.text-accent { color: #FF6F61; }
.text-center { text-align:center; }
.seo-description { 
  max-width:600px; 
  margin:0 auto 48px; 
  color:#6B6669;
  line-height: 1.6;
}
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* ===== 新增装饰元素 ===== */
.section-feature {
  font-size: 0.9rem;
  color: #8A8588;
  padding: 8px 0;
}

/* 圆角卡片带边框渐变效果 */
.category-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 10%;
  width: 80%;
  height: 3px;
  background: linear-gradient(90deg, transparent, #FFB5A7, transparent);
  opacity: 0;
  transition: opacity 0.4s;
}
.category-card:hover::after {
  opacity: 1;
}

/* 为FAQ增加图标颜色 */
.faq-item.open {
  border-color: rgba(255,111,97,0.4);
  box-shadow: 0 4px 16px rgba(255,111,97,0.08);
}

/* 增加一些空状态和间距 */
.gap-y-16 { gap: 16px; }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }

/* 自定义滚动条 */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: #FFF9F5;
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #FFB5A7, #FF6F61);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: #FF6F61;
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .hero {
    padding: 100px 0 60px;
  }
  .hero h1 {
    font-size: 2.4rem;
  }
  .feature-block { 
    grid-template-columns:1fr; 
    gap: 40px;
  }
  .stats-bar { 
    grid-template-columns:repeat(2,1fr); 
    padding: 24px;
    gap: 16px;
  }
  .footer-grid { 
    grid-template-columns:1fr 1fr; 
    gap: 32px;
  }
  .main-nav { 
    display:none; 
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(255,249,245,0.98);
    backdrop-filter: blur(20px);
    padding: 24px 24px 32px;
    border-bottom: 1px solid rgba(255,181,167,0.3);
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    box-shadow: 0 20px 40px rgba(61,58,62,0.08);
  }
  .main-nav.open { 
    display:flex; 
  }
  .menu-toggle { 
    display:flex; 
    z-index: 1001;
  }
  .menu-toggle.active {
    background: #FF6F61;
    color: #fff;
  }
  .nav-cta {
    margin-top: 8px;
  }
  .cta-banner {
    padding: 48px 24px;
  }
  .cta-banner h2 {
    font-size: 1.6rem;
  }
}

@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; 
    width: 100%;
  }
  .hero-buttons .btn {
    align-items: center;
    justify-content: center;
    width: 100%;
  }
  .section {
    padding: 60px 0;
  }
  .section-title {
    font-size: 1.7rem;
  }
  .stats-bar {
    grid-template-columns: 1fr 1fr;
  }
  .feature-image {
    margin-bottom: 20px;
  }
  .footer-grid {
    gap: 24px;
  }
}