/* 基础重置 */
*, *::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-color:#FFFDF9;
  background-image:radial-gradient(rgba(255,126,95,0.05) 1px, transparent 1.5px);
  background-size:28px 28px;
  color:#4A2E2A;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}

/* 核心布局 — 必须居中 */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:80px 0; position:relative; overflow:hidden; }
.section:nth-child(even) { background:#FFF5F0; }

/* 蜜桃流体装饰背景 */
.section::before {
  content:'';
  position:absolute;
  width:400px; height:400px;
  background:radial-gradient(circle, rgba(255,126,95,0.12) 0%, transparent 70%);
  border-radius:50%;
  top:-120px; right:-100px;
  pointer-events:none;
  z-index:0;
}
.section:nth-child(even)::before {
  background:radial-gradient(circle, rgba(143,201,168,0.14) 0%, transparent 70%);
  top:auto; bottom:-120px; right:auto; left:-100px;
}
.section > * { position:relative; z-index:1; }

/* 导航 — 固定顶部 */
.site-header {
  position:fixed; top:0; left:0; width:100%; z-index:1000;
  background:rgba(255,253,249,0.85);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(255,126,95,0.15);
}
.header-inner {
  display:flex; align-items:center; justify-content:space-between;
  height:68px; max-width:1200px; margin:0 auto; padding:0 24px;
  position:relative;
}
.logo {
  display:flex; align-items:center; gap:10px; font-weight:800; font-size:1.25rem;
  text-decoration:none; color:#4A2E2A; letter-spacing:-0.02em;
  transition:opacity .2s;
}
.logo:hover { opacity:0.8; }
.logo-icon {
  width:38px; height:38px;
  border-radius:40% 60% 45% 65%;
  display:flex; align-items:center; justify-content:center;
  font-size:1rem; color:#fff;
  background:linear-gradient(135deg, #FF7E5F, #FFB4A0);
  box-shadow:0 4px 12px rgba(255,126,95,0.35);
  transform:rotate(-8deg);
}
.main-nav { display:flex; align-items:center; gap:32px; list-style:none; }
.main-nav a {
  text-decoration:none; font-size:0.9rem; font-weight:600; color:#4A2E2A;
  position:relative; padding:4px 0; transition:color .2s;
  letter-spacing:0.02em;
}
.main-nav a::after {
  content:'';
  position:absolute; bottom:0; left:0; width:0; height:2px;
  background:linear-gradient(90deg, #FF7E5F, #FFB4A0);
  border-radius:2px; transition:width .35s ease;
}
.main-nav a:hover { color:#E85D44; }
.main-nav a:hover::after { width:100%; }
.nav-cta {
  padding:9px 22px; border-radius:50px; color:#fff!important;
  background:linear-gradient(135deg, #FF7E5F, #E85D44);
  font-weight:700; box-shadow:0 4px 14px rgba(255,126,95,0.35);
  transition:transform .2s, box-shadow .2s;
}
.nav-cta:hover { transform:translateY(-2px); box-shadow:0 6px 20px rgba(255,126,95,0.45); }
.nav-cta::after { display:none; }
.menu-toggle {
  display:none;
  width:42px; height:42px;
  align-items:center; justify-content:center;
  border-radius:14px;
  border:1px solid rgba(255,126,95,0.25);
  background:#FFF5F0;
  color:#FF7E5F;
  font-size:1.3rem;
  cursor:pointer;
  transition:background .2s;
  z-index:1001;
}
.menu-toggle:hover { background:#FFE8DD; }

/* 首页Hero — 蜜桃水彩光晕 */
.hero {
  min-height:70vh; display:flex; align-items:center; position:relative;
  padding-top:120px; padding-bottom:60px;
  overflow:hidden;
  background:radial-gradient(ellipse at 85% 25%, rgba(255,171,145,0.35) 0%, transparent 55%),
             radial-gradient(ellipse at 10% 90%, rgba(143,201,168,0.2) 0%, transparent 50%),
             #FFFDF9;
}
.hero::before {
  content:''; position:absolute; width:500px; height:500px;
  background:radial-gradient(circle, rgba(255,126,95,0.2) 0%, transparent 65%);
  border-radius:50%; top:-150px; right:-80px; filter:blur(20px);
  pointer-events:none; z-index:0;
}
.hero::after {
  content:''; position:absolute; width:320px; height:320px;
  background:radial-gradient(circle, rgba(143,201,168,0.25) 0%, transparent 65%);
  border-radius:50%; bottom:-80px; left:-60px; filter:blur(30px);
  pointer-events:none; z-index:0;
}
.hero > * { position:relative; z-index:1; }
.hero-content { max-width:720px; }
.hero-eyebrow {
  display:inline-block; font-size:0.85rem; font-weight:700;
  padding:6px 18px; border-radius:100px; margin-bottom:24px;
  background:linear-gradient(135deg, #FFF0E8, #FFE3D6);
  color:#E85D44;
  border:1px solid rgba(255,126,95,0.2);
  box-shadow:0 2px 8px rgba(255,126,95,0.1);
  letter-spacing:0.05em;
}
.hero h1 {
  font-size:3.5rem; line-height:1.12; margin-bottom:20px;
  font-weight:900; letter-spacing:-0.03em;
  background:linear-gradient(115deg, #E85D44, #FF7E5F 30%, #FFB4A0 55%, #FF7E5F 80%);
  background-size:200% auto;
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  animation:heroShine 5s ease-in-out infinite alternate;
}
@keyframes heroShine {
  0% { background-position:0% center; }
  100% { background-position:100% center; }
}
.hero p {
  font-size:1.15rem; opacity:0.75; max-width:560px; margin-bottom:36px;
  color:#4A2E2A; font-weight:400; line-height:1.8;
}
.hero-buttons { display:flex; gap:16px; flex-wrap:wrap; }
.hero-image {
  border-radius:32px; overflow:hidden;
  background:linear-gradient(135deg, #FFE8DD, #FFB4A0);
  padding:10px;
  box-shadow:0 30px 60px rgba(255,126,95,0.25);
  transform:rotate(2deg);
  transition:transform .4s ease;
}
.hero-image:hover { transform:rotate(0deg) scale(1.01); }
.hero-image img { width:100%; height:auto; border-radius:24px; display:block; }

/* 按钮 */
.btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:13px 30px; border-radius:100px; font-weight:700; font-size:0.92rem;
  cursor:pointer; border:none; text-decoration:none;
  transition:all .3s cubic-bezier(.4,0,.2,1);
  letter-spacing:0.02em;
}
.btn-primary {
  color:#fff;
  background:linear-gradient(135deg, #FF7E5F, #E85D44);
  box-shadow:0 6px 18px rgba(255,126,95,0.35);
}
.btn-primary:hover {
  transform:translateY(-3px);
  box-shadow:0 10px 30px rgba(255,126,95,0.45);
}
.btn-outline {
  background:transparent; border:2px solid rgba(255,126,95,0.4);
  color:#FF7E5F;
}
.btn-outline:hover {
  background:rgba(255,126,95,0.08);
  border-color:#E85D44; color:#E85D44;
  transform:translateY(-2px);
}

/* 标签/标题 */
.section-label {
  display:inline-block; font-size:0.75rem; font-weight:800;
  letter-spacing:0.2em; margin-bottom:14px; color:#FF7E5F;
  text-transform:uppercase;
  background:linear-gradient(135deg, #FFE8DD, #FFF5F0);
  padding:4px 14px; border-radius:30px;
}
.section-title {
  font-size:2.3rem; margin-bottom:14px; font-weight:900;
  letter-spacing:-0.02em; color:#4A2E2A; line-height:1.2;
}
.section-desc { max-width:600px; opacity:0.65; margin-bottom:44px; color:#4A2E2A; 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:22px; padding:30px;
  border:1px solid rgba(255,126,95,0.12);
  background:#FFFFFF;
  position:relative; overflow:hidden;
  transition:transform .35s ease, box-shadow .35s ease;
}
.category-card::after {
  content:'';
  position:absolute; bottom:0; left:0;
  width:100%; height:4px;
  background:linear-gradient(90deg, #FF7E5F, #FFB4A0);
  transform:scaleX(0); transform-origin:left;
  transition:transform .4s ease;
}
.category-card:hover {
  transform:translateY(-6px);
  box-shadow:0 16px 36px rgba(255,126,95,0.14);
  border-color:rgba(255,126,95,0.25);
}
.category-card:hover::after { transform:scaleX(1); }
.card-icon {
  width:52px; height:52px;
  border-radius:38% 62% 45% 65%;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:18px; font-size:1.3rem;
  background:linear-gradient(135deg, #FFE8DD, #FFB4A0);
  color:#E85D44;
  box-shadow:0 4px 12px rgba(255,126,95,0.15);
  transition:transform .3s;
}
.category-card:hover .card-icon { transform:rotate(-8deg) scale(1.06); }
.card-link {
  font-weight:700; font-size:0.85rem; text-decoration:none;
  color:#FF7E5F; display:inline-flex; align-items:center; gap:6px;
  transition:gap .2s;
}
.card-link:hover { gap:10px; color:#E85D44; }

/* 特性块 */
.feature-block { display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.feature-image {
  border-radius:28px; overflow:hidden;
  background:linear-gradient(135deg, #8FC9A8, #FFE8DD);
  padding:10px;
  box-shadow:0 24px 48px rgba(143,201,168,0.18);
  transition:transform .4s ease;
}
.feature-image:hover { transform:scale(1.01); }
.feature-image img { width:100%; height:auto; border-radius:20px; display:block; }
.feature-text { padding:0 8px; }
.feature-list { list-style:none; margin-top:16px; }
.feature-list li {
  padding:10px 0; display:flex; align-items:center; gap:12px;
  font-weight:500; color:#4A2E2A; border-bottom:1px solid rgba(255,126,95,0.08);
}
.feature-list li::before {
  content:'✓'; font-weight:900; color:#fff;
  background:linear-gradient(135deg, #FF7E5F, #E85D44);
  width:24px; height:24px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:0.75rem; flex-shrink:0;
  box-shadow:0 2px 8px rgba(255,126,95,0.3);
}

/* 数据条 — 蜜桃奶油统计面板 */
.stats-bar {
  display:grid; grid-template-columns:repeat(4,1fr); gap:0;
  text-align:center;
  background:linear-gradient(135deg, #FFF5F0, #FFE8DD);
  border-radius:28px;
  padding:48px 24px;
  border:1px solid rgba(255,126,95,0.12);
  position:relative;
  overflow:hidden;
}
.stats-bar::before {
  content:''; position:absolute; top:-30px; right:-30px;
  width:120px; height:120px; border-radius:50%;
  background:rgba(255,255,255,0.4); pointer-events:none;
}
.stat-item {
  padding:16px 24px;
  border-right:1px solid rgba(255,126,95,0.15);
  transition:transform .3s;
}
.stat-item:last-child { border-right:none; }
.stat-item:hover { transform:translateY(-4px); }
.stat-number {
  font-size:2.6rem; font-weight:900; line-height:1.1;
  background:linear-gradient(135deg, #E85D44, #FF7E5F);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  letter-spacing:-0.03em;
}
.stat-label { font-size:0.9rem; opacity:0.6; margin-top:8px; font-weight:600; color:#4A2E2A; }

/* 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;
  border:1px solid rgba(255,126,95,0.1);
  background:#fff;
  transition:transform .3s ease, box-shadow .3s ease;
}
.content-wall-item:hover {
  transform:translateY(-6px);
  box-shadow:0 20px 44px rgba(255,126,95,0.15);
}
.content-wall-item img { width:100%; height:200px; object-fit:cover; display:block; }
.content-wall-body { padding:22px; }
.content-wall-body h3 {
  font-size:1.1rem; font-weight:800; color:#4A2E2A; margin-bottom:6px;
}
.content-wall-body p { font-size:0.9rem; opacity:0.6; line-height:1.6; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item {
  border:1px solid rgba(255,126,95,0.12); border-radius:18px;
  margin-bottom:12px; overflow:hidden; cursor:pointer;
  background:#fff;
  transition:border-color .3s, box-shadow .3s;
}
.faq-item:hover { border-color:rgba(255,126,95,0.35); }
.faq-item.open {
  border-color:rgba(255,126,95,0.4);
  box-shadow:0 8px 24px rgba(255,126,95,0.1);
  background:linear-gradient(135deg, #FFFDF9, #FFF5F0);
}
.faq-item .faq-question {
  padding:18px 22px; font-weight:700; display:flex; justify-content:space-between;
  align-items:center; color:#4A2E2A; font-size:1rem;
  transition:color .2s;
}
.faq-item.open .faq-question { color:#E85D44; }
.faq-question::after {
  content:'+'; font-size:1.5rem; font-weight:300; color:#FF7E5F;
  transition:transform .35s ease; line-height:1;
}
.faq-item.open .faq-question::after { transform:rotate(45deg); color:#E85D44; }
.faq-item .faq-answer {
  padding:0 22px 18px; display:none; opacity:0.7; font-size:0.95rem;
  line-height:1.7; color:#4A2E2A;
}
.faq-item.open .faq-answer { display:block; animation:faqFade .4s ease; }
@keyframes faqFade {
  from { opacity:0; transform:translateY(-6px); }
  to { opacity:0.7; transform:translateY(0); }
}

/* CTA横幅 — 蜜桃渐变大色块 */
.cta-banner {
  padding:64px 40px; text-align:center; border-radius:32px; color:#fff;
  background:linear-gradient(135deg, #FF7E5F 0%, #FF8A6B 40%, #FFB4A0 100%);
  position:relative; overflow:hidden;
  box-shadow:0 24px 48px rgba(255,126,95,0.3);
}
.cta-banner::before,
.cta-banner::after {
  content:'';
  position:absolute; border-radius:50%;
  background:rgba(255,255,255,0.18);
  pointer-events:none;
}
.cta-banner::before { width:200px; height:200px; top:-70px; right:5%; }
.cta-banner::after { width:120px; height:120px; bottom:-40px; left:10%; }
.cta-banner h2 { color:#fff; font-size:2.2rem; font-weight:900; margin-bottom:12px; position:relative; z-index:1; }
.cta-banner p { color:rgba(255,255,255,0.85); margin-bottom:28px; font-size:1.05rem; position:relative; z-index:1; }
.cta-banner .btn-primary {
  background:#fff;
  color:#E85D44;
  box-shadow:0 6px 20px rgba(0,0,0,0.15);
  position:relative; z-index:1;
}
.cta-banner .btn-primary:hover { transform:translateY(-3px); box-shadow:0 10px 30px rgba(0,0,0,0.2); }

/* 页脚 — 蜜桃奶油底 */
.site-footer {
  padding:64px 0 32px;
  background:#FFF5F0;
  border-top:1px solid rgba(255,126,95,0.15);
  background-image:radial-gradient(rgba(255,126,95,0.08) 1px, transparent 1.5px);
  background-size:22px 22px;
}
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:48px; }
.footer-brand {}
.footer-brand .logo { margin-bottom:16px; }
.footer-brand p { font-size:0.9rem; opacity:0.65; line-height:1.8; max-width:300px; }
.footer-col {}
.footer-col h4 {
  font-size:0.85rem; font-weight:800; letter-spacing:0.1em; text-transform:uppercase;
  color:#E85D44; margin-bottom:18px;
}
.footer-col a {
  display:block; text-decoration:none; color:#4A2E2A; opacity:0.7;
  font-size:0.9rem; padding:6px 0; transition:opacity .2s, padding-left .2s;
}
.footer-col a:hover { opacity:1; padding-left:6px; color:#E85D44; }
.footer-bottom {
  border-top:1px solid rgba(255,126,95,0.15);
  margin-top:44px; padding-top:22px; text-align:center;
  font-size:0.85rem; color:#4A2E2A; opacity:0.5;
}

/* 工具类 */
.text-accent {
  color:#FF7E5F;
  font-weight:800;
}
.text-center { text-align:center; }
.seo-description {
  max-width:600px; margin:0 auto 48px; opacity:0.65;
  font-size:1.02rem; text-align:center;
  line-height:1.7;
}
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* 响应式 */
@media (max-width: 768px) {
  .main-nav { display:none; }
  .menu-toggle { display:flex; }
  .main-nav.open {
    display:flex; flex-direction:column; position:fixed; top:68px; left:0;
    width:100%; background:rgba(255,253,249,0.98);
    padding:20px 24px 28px;
    border-bottom:1px solid rgba(255,126,95,0.15);
    box-shadow:0 20px 40px rgba(255,126,95,0.08);
    gap:8px;
  }
  .main-nav.open a {
    padding:12px 16px; border-radius:14px; font-size:1rem;
  }
  .main-nav.open a:hover { background:#FFF5F0; }
  .main-nav.open .nav-cta { padding:14px 20px; text-align:center; margin-top:8px; }
  .feature-block { grid-template-columns:1fr; gap:40px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); gap:20px 0; }
  .stat-item { border-right:none; }
  .stat-item:nth-child(2) { border-right:1px solid rgba(255,126,95,0.15); }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .hero { padding-top:120px; text-align:left; }
  .hero h1 { font-size:2.5rem; }
  .hero-content { max-width:100%; }
  .hero-buttons { flex-direction:row; flex-wrap:wrap; }
}
@media (max-width: 480px) {
  .hero { padding-top:110px; }
  .hero h1 { font-size:2rem; }
  .hero p { font-size:1rem; }
  .hero-buttons { flex-direction:column; width:100%; }
  .hero-buttons .btn { justify-content:center; width:100%; }
  .cards-grid, .content-wall, .stats-bar { grid-template-columns:1fr; }
  .stat-item { border-right:none!important; border-bottom:1px solid rgba(255,126,95,0.1); }
  .stat-item:last-child { border-bottom:none; }
  .footer-grid { grid-template-columns:1fr; gap:32px; }
  .section-title { font-size:1.8rem; }
  .cta-banner { padding:44px 20px; }
  .cta-banner h2 { font-size:1.6rem; }
  .feature-block { gap:24px; }
}