*, *::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:#FDF6F0;
  color:#2C3E2D;
  line-height:1.6;
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar { width:6px; }
::-webkit-scrollbar-track { background:#FDF6F0; }
::-webkit-scrollbar-thumb { background:#FF8A7A; border-radius:3px; }

/* ===== 容器 & 区块 ===== */
.container { max-width:1200px; margin:0 auto; padding:0 28px; }

.section { padding:90px 0; position:relative; }

.section:nth-child(even) {
  background:linear-gradient(135deg, #FDF6F0 0%, #F5EDE8 100%);
  border-top:2px dashed rgba(255,138,122,0.15);
  border-bottom:2px dashed rgba(255,138,122,0.15);
}

/* ===== 导航栏 ===== */
.site-header {
  position:fixed; top:0; left:0; width:100%; z-index:1000;
  background:rgba(253,246,240,0.88);
  backdrop-filter:blur(14px);
  border-bottom:1.5px solid rgba(255,138,122,0.18);
}

.header-inner {
  display:flex; align-items:center; justify-content:space-between;
  height:72px; max-width:1200px; margin:0 auto; padding:0 28px;
}

.logo {
  display:flex; align-items:center; gap:10px;
  font-weight:800; font-size:1.25rem; text-decoration:none; color:#2C3E2D;
  letter-spacing:0.5px;
}

.logo-icon {
  width:40px; height:40px; border-radius:14px;
  display:flex; align-items:center; justify-content:center;
  font-size:1.1rem;
  background:linear-gradient(135deg, #FF8A7A, #FDCB9E);
  color:#fff;
  box-shadow:0 4px 12px rgba(255,138,122,0.25);
}

.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:#4A5B4A; letter-spacing:0.3px;
  position:relative; padding-bottom:4px;
  transition:color 0.25s;
}

.main-nav a::after {
  content:''; position:absolute; bottom:0; left:0;
  width:0; height:2.5px; border-radius:2px;
  background:linear-gradient(90deg, #FF8A7A, #FDCB9E);
  transition:width 0.3s ease;
}

.main-nav a:hover { color:#2C3E2D; }
.main-nav a:hover::after { width:100%; }

.nav-cta {
  padding:10px 24px !important; border-radius:50px !important;
  color:#fff !important; font-weight:700 !important;
  background:linear-gradient(135deg, #FF8A7A, #E86A5A) !important;
  box-shadow:0 4px 14px rgba(255,138,122,0.35);
  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(255,138,122,0.45) !important; color:#fff !important; }

.menu-toggle { display:none; background:none; border:none; font-size:1.5rem; cursor:pointer; color:#2C3E2D; padding:6px; }

/* ===== Hero ===== */
.hero {
  min-height:85vh; display:flex; align-items:center;
  position:relative; overflow:hidden;
  background:linear-gradient(165deg, #FDF6F0 0%, #F5E8DE 40%, #FDF6F0 100%);
}

.hero::before {
  content:'28'; position:absolute; right:-40px; top:50%; transform:translateY(-50%);
  font-size:28vw; font-weight:900; color:rgba(255,138,122,0.06);
  pointer-events:none; user-select:none;
  line-height:1;
}

.hero-content { max-width:720px; position:relative; z-index:2; }

.hero-eyebrow {
  display:inline-block; font-size:0.82rem; font-weight:700;
  padding:6px 18px; border-radius:50px; margin-bottom:18px;
  background:rgba(255,138,122,0.12);
  color:#E86A5A; letter-spacing:1.5px; text-transform:uppercase;
}

.hero h1 {
  font-size:3.2rem; line-height:1.15; margin-bottom:18px;
  font-weight:900; color:#2C3E2D;
  letter-spacing:-0.5px;
}

.hero h1 .highlight {
  background:linear-gradient(135deg, #FF8A7A, #FDCB9E);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent;
  background-clip:text;
}

.hero p {
  font-size:1.12rem; opacity:0.72; max-width:540px; margin-bottom:34px;
  color:#4A5B4A; line-height:1.7;
}

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

.hero-image {
  border-radius:20px; overflow:hidden;
  box-shadow:0 20px 60px rgba(255,138,122,0.18);
  position:relative; z-index: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;
  transition:transform 0.25s, box-shadow 0.25s;
  font-size:0.92rem; letter-spacing:0.3px;
}

.btn:hover { transform:translateY(-2px); }

.btn-primary {
  color:#fff;
  background:linear-gradient(135deg, #FF8A7A, #E86A5A);
  box-shadow:0 6px 20px rgba(255,138,122,0.35);
}

.btn-primary:hover { box-shadow:0 8px 28px rgba(255,138,122,0.45); }

.btn-outline {
  background:transparent; border:2px solid #FF8A7A;
  color:#FF8A7A;
}

.btn-outline:hover { background:#FF8A7A; color:#fff; }

/* ===== 标签/标题 ===== */
.section-label {
  display:inline-block; font-size:0.78rem; font-weight:700;
  letter-spacing:2.5px; margin-bottom:14px;
  color:#FF8A7A; text-transform:uppercase;
}

.section-title {
  font-size:2.2rem; font-weight:900; margin-bottom:14px;
  color:#2C3E2D; letter-spacing:-0.3px; line-height:1.2;
}

.section-desc {
  max-width:620px; opacity:0.68; margin-bottom:44px;
  font-size:1.05rem; color:#4A5B4A; 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:18px; padding:32px 28px;
  background:#fff; border:1.5px solid rgba(255,138,122,0.08);
  transition:transform 0.3s, box-shadow 0.3s;
  position:relative; overflow:hidden;
}

.category-card::before {
  content:''; position:absolute; top:0; left:0; right:0;
  height:4px;
  background:linear-gradient(90deg, #FF8A7A, #FDCB9E, #5BC0BE);
  opacity:0; transition:opacity 0.3s;
}

.category-card:hover { transform:translateY(-6px); box-shadow:0 12px 40px rgba(255,138,122,0.12); }
.category-card:hover::before { opacity:1; }

.card-icon {
  width:52px; height:52px; border-radius:14px;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:18px; font-size:1.4rem;
  background:linear-gradient(135deg, rgba(255,138,122,0.1), rgba(91,192,190,0.1));
  color:#FF8A7A;
}

.category-card h3 {
  font-size:1.15rem; font-weight:800; margin-bottom:10px; color:#2C3E2D;
}

.category-card p {
  font-size:0.9rem; opacity:0.65; color:#4A5B4A; margin-bottom:16px; line-height:1.6;
}

.card-link {
  font-weight:700; font-size:0.85rem; text-decoration:none;
  color:#FF8A7A; 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:64px; align-items:center;
}

.feature-image {
  border-radius:18px; overflow:hidden;
  box-shadow:0 16px 48px rgba(255,138,122,0.12);
}

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

.feature-text h3 {
  font-size:1.6rem; font-weight:900; margin-bottom:16px; color:#2C3E2D;
}

.feature-list { list-style:none; margin-top:20px; }

.feature-list li {
  padding:8px 0; display:flex; align-items:center; gap:12px;
  font-size:0.98rem; color:#4A5B4A;
}

.feature-list li::before {
  content:'✦'; font-weight:700; color:#5BC0BE;
  font-size:1.1rem;
}

/* ===== 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:18px;
  background:#fff; border:1.5px solid rgba(255,138,122,0.06);
  transition:transform 0.3s, box-shadow 0.3s;
  position:relative; overflow:hidden;
}

.stat-item::after {
  content:''; position:absolute; bottom:0; left:20%; right:20%;
  height:3px; border-radius:2px;
  background:linear-gradient(90deg, #FF8A7A, #FDCB9E);
  opacity:0; transition:opacity 0.3s;
}

.stat-item:hover { transform:translateY(-4px); box-shadow:0 10px 30px rgba(255,138,122,0.1); }
.stat-item:hover::after { opacity:1; }

.stat-number {
  font-size:2.6rem; font-weight:900;
  background:linear-gradient(135deg, #FF8A7A, #E86A5A);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent;
  background-clip:text;
  line-height:1.2;
}

.stat-label { font-size:0.9rem; opacity:0.6; margin-top:8px; color:#4A5B4A; 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:18px; overflow:hidden;
  background:#fff; border:1.5px solid rgba(255,138,122,0.06);
  transition:transform 0.3s, box-shadow 0.3s;
}

.content-wall-item:hover {
  transform:translateY(-5px);
  box-shadow:0 12px 40px rgba(255,138,122,0.1);
}

.content-wall-item img {
  width:100%; height:220px; object-fit:cover;
  transition:transform 0.4s;
}

.content-wall-item:hover img { transform:scale(1.03); }

.content-wall-body { padding:24px; }

.content-wall-body .tag {
  display:inline-block; font-size:0.72rem; font-weight:700;
  padding:4px 14px; border-radius:50px;
  background:rgba(91,192,190,0.12); color:#3DA8A0;
  margin-bottom:10px; letter-spacing:0.5px;
}

.content-wall-body h4 {
  font-size:1.08rem; font-weight:800; margin-bottom:8px; color:#2C3E2D;
}

.content-wall-body p {
  font-size:0.88rem; opacity:0.62; color:#4A5B4A; line-height:1.6;
}

/* ===== FAQ ===== */
.faq-list { max-width:820px; margin:0 auto; }

.faq-item {
  border:1.5px solid rgba(255,138,122,0.1); border-radius:14px;
  margin-bottom:10px; overflow:hidden; cursor:pointer;
  background:#fff; transition:border-color 0.3s, box-shadow 0.3s;
}

.faq-item:hover { border-color:rgba(255,138,122,0.25); box-shadow:0 4px 16px rgba(255,138,122,0.05); }

.faq-item .faq-question {
  padding:18px 24px; font-weight:700; font-size:1rem;
  display:flex; justify-content:space-between; align-items:center;
  color:#2C3E2D; letter-spacing:0.2px;
}

.faq-item .faq-question::after {
  content:'+'; font-size:1.3rem; font-weight:300;
  color:#FF8A7A; transition:transform 0.3s;
}

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

.faq-item .faq-answer {
  padding:0 24px 20px; display:none;
  opacity:0.72; font-size:0.92rem; color:#4A5B4A;
  line-height:1.7;
}

.faq-item.open .faq-answer { display:block; }

/* ===== CTA横幅 ===== */
.cta-banner {
  padding:64px 32px; text-align:center; border-radius:20px;
  background:linear-gradient(135deg, #FF8A7A, #E86A5A, #D96050);
  color:#fff; position:relative; overflow:hidden;
}

.cta-banner::before {
  content:'28'; position:absolute; right:30px; bottom:-20px;
  font-size:12rem; font-weight:900; color:rgba(255,255,255,0.06);
  pointer-events:none; line-height:1;
}

.cta-banner h2 {
  color:#fff; font-size:2rem; font-weight:900;
  margin-bottom:12px; position:relative; z-index:2;
}

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

.cta-banner .btn-primary {
  background:#fff; color:#E86A5A;
  box-shadow:0 6px 20px rgba(0,0,0,0.08);
  position:relative; z-index:2;
}

.cta-banner .btn-primary:hover { box-shadow:0 8px 28px rgba(0,0,0,0.12); }

/* ===== 页脚 ===== */
.site-footer {
  padding:64px 0 32px;
  background:linear-gradient(180deg, #FDF6F0, #F0E8E0);
  border-top:2px dashed rgba(255,138,122,0.1);
}

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

.footer-brand p {
  font-size:0.9rem; opacity:0.65; color:#4A5B4A;
  margin-top:12px; line-height:1.7; max-width:320px;
}

.footer-col h5 {
  font-size:0.9rem; font-weight:800; margin-bottom:16px;
  color:#2C3E2D; 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; font-size:0.88rem;
  color:#4A5B4A; opacity:0.7;
  transition:opacity 0.2s, color 0.2s;
}

.footer-col ul li a:hover { opacity:1; color:#FF8A7A; }

.footer-bottom {
  border-top:1.5px solid rgba(255,138,122,0.1);
  margin-top:40px; padding-top:20px;
  text-align:center; font-size:0.85rem;
  color:#4A5B4A; opacity:0.6;
}

/* ===== 工具类 ===== */
.text-accent {
  background:linear-gradient(135deg, #FF8A7A, #5BC0BE);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent;
  background-clip:text;
}

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

.seo-description {
  max-width:640px; margin:0 auto 48px;
  opacity:0.68; font-size:1.02rem; color:#4A5B4A; line-height:1.7;
}

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

/* ===== 装饰元素（额外） ===== */
.section::after {
  content:''; position:absolute; width:80px; height:80px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(255,138,122,0.04), transparent);
  pointer-events:none;
}

.section:nth-child(odd)::after {
  top:20px; right:40px;
}

.section:nth-child(even)::after {
  bottom:20px; left:40px;
  background:radial-gradient(circle, rgba(91,192,190,0.04), transparent);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero h1 { font-size:2.6rem; }
  .section-title { font-size:1.8rem; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
}

@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; gap:40px; }
  .footer-grid { grid-template-columns:1fr 1fr; gap:32px; }
  .hero { min-height:60vh; }
  .hero h1 { font-size:2.2rem; }
  
  .main-nav {
    display:none;
    position:absolute; top:72px; left:0; width:100%;
    background:rgba(253,246,240,0.98);
    backdrop-filter:blur(14px);
    padding:20px 28px; flex-direction:column; gap:16px;
    border-bottom:1.5px solid rgba(255,138,122,0.1);
  }
  
  .main-nav.open { display:flex; }
  
  .menu-toggle { display:flex; align-items:center; justify-content:center; }
  
  .stats-bar { grid-template-columns:repeat(2,1fr); gap:16px; }
  .cards-grid { grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:20px; }
  .content-wall { grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:20px; }
}

@media (max-width: 480px) {
  .cards-grid, .content-wall, .stats-bar { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; gap:24px; }
  .hero-buttons { flex-direction:column; }
  .hero h1 { font-size:1.8rem; }
  .section-title { font-size:1.5rem; }
  .hero::before { font-size:40vw; right:-30px; }
  .stat-number { font-size:2rem; }
  .cta-banner { padding:40px 20px; }
  .cta-banner h2 { font-size:1.4rem; }
}