:root{
  --primary:#2fae6a;
  --primary-dark:#1f8a51;
  --primary-light:#e6f6ed;
  --accent:#ff8a3d;
  --text:#22302a;
  --text-light:#6b7c74;
  --bg:#ffffff;
  --bg-alt:#f4faf6;
  --border:#e2ece6;
  --shadow:0 6px 20px rgba(35,70,55,.08);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",-apple-system,"Segoe UI",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  font-size:16px;
}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
img{max-width:100%;display:block;}
h1,h2,h3,h4{line-height:1.35;font-weight:700;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:80px 0;}
.section-alt{background:var(--bg-alt);}
.section-header{text-align:center;max-width:760px;margin:0 auto 48px;}
.section-title{font-size:32px;color:var(--text);margin-bottom:14px;}
.section-subtitle{font-size:16px;color:var(--text-light);}
.grid{display:grid;gap:24px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.flex{display:flex;align-items:center;gap:16px;}
.flex-between{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow);
  transition:transform .3s,box-shadow .3s;
}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(35,70,55,.14);}
.card-icon{
  width:52px;height:52px;border-radius:12px;
  background:var(--primary-light);color:var(--primary-dark);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;margin-bottom:16px;font-weight:700;
}
.card-title{font-size:19px;margin-bottom:10px;color:var(--text);}
.card-text{font-size:15px;color:var(--text-light);}
.card-body{margin-top:6px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:50px;font-size:16px;font-weight:600;
  cursor:pointer;border:1px solid transparent;transition:all .25s;
  font-family:inherit;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--primary-dark);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary-light);}
.btn-sm{padding:8px 18px;font-size:14px;}
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;transition:all .3s;
}
.nav.scrolled{box-shadow:0 4px 18px rgba(35,70,55,.10);border-bottom-color:var(--border);}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;height:70px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;color:var(--text);}
.nav-logo::before{
  content:"蘑";width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;
}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{font-size:15px;color:var(--text-light);font-weight:500;transition:color .2s;position:relative;}
.nav-link:hover{color:var(--primary-dark);}
.nav-toggle{
  display:none;background:none;border:none;cursor:pointer;
  width:42px;height:42px;border-radius:10px;color:var(--text);font-size:22px;
}
.nav-cta{display:flex;align-items:center;gap:12px;}
.hero{
  position:relative;padding:150px 0 90px;
  background:
    radial-gradient(circle at 12% 20%,rgba(47,174,106,.16),transparent 46%),
    radial-gradient(circle at 88% 12%,rgba(255,138,61,.14),transparent 42%),
    linear-gradient(180deg,#f7fdf9 0%,#ffffff 100%);
}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{font-size:46px;letter-spacing:-.5px;margin-bottom:20px;color:var(--text);}
.hero-title span{color:var(--primary-dark);}
.hero-subtitle{font-size:18px;color:var(--text-light);max-width:720px;margin:0 auto 34px;}
.hero-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:56px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  max-width:940px;margin:0 auto;
  background:#fff;border:1px solid var(--border);border-radius:20px;
  padding:30px 20px;box-shadow:var(--shadow);
}
.hero-stat{text-align:center;padding:0 8px;border-right:1px solid var(--border);}
.hero-stat:last-child{border-right:none;}
.hero-stat-num{font-size:28px;font-weight:800;color:var(--primary-dark);display:block;margin-bottom:6px;}
.hero-stat-label{font-size:14px;color:var(--text-light);}
.timeline{position:relative;padding-left:34px;}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:var(--border);}
.timeline-item{position:relative;padding-bottom:30px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-dot{
  position:absolute;left:-34px;top:5px;width:20px;height:20px;border-radius:50%;
  background:#fff;border:4px solid var(--primary);
}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow);}
.timeline-date{font-size:13px;color:var(--primary-dark);font-weight:700;letter-spacing:.5px;}
.timeline-title{font-size:17px;margin:6px 0 8px;}
.timeline-text{font-size:14px;color:var(--text-light);}
.news-list{display:flex;flex-direction:column;gap:22px;}
.news-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;
}
.news-item:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(35,70,55,.14);}
.news-title{font-size:19px;margin-bottom:8px;}
.news-meta{display:flex;align-items:center;gap:14px;margin-bottom:10px;font-size:13px;color:var(--text-light);}
.news-date{color:var(--text-light);}
.news-category{
  background:var(--primary-light);color:var(--primary-dark);
  padding:2px 10px;border-radius:50px;font-size:12px;font-weight:600;
}
.news-summary{font-size:15px;color:var(--text-light);}
.news-body{margin-top:10px;font-size:15px;color:var(--text);}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
  font-size:12px;color:var(--text-light);background:var(--bg-alt);
  border:1px solid var(--border);padding:3px 10px;border-radius:50px;
}
.faq-list{display:flex;flex-direction:column;gap:16px;max-width:860px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 26px;box-shadow:var(--shadow);}
.faq-question{font-size:17px;font-weight:700;margin-bottom:10px;color:var(--text);}
.faq-answer{font-size:15px;color:var(--text-light);}
.form-group{margin-bottom:20px;}
.form-label{display:block;font-size:15px;font-weight:600;margin-bottom:8px;}
.form-input,.form-select,.form-textarea{
  width:100%;padding:12px 16px;font-size:15px;font-family:inherit;
  border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--text);
  transition:border-color .2s,box-shadow .2s;
}
.form-input:focus,.form-select:focus,.form-textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light);
}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 34px;border-radius:50px;font-size:16px;font-weight:600;
  background:var(--primary);color:#fff;border:none;cursor:pointer;transition:background .25s;
  font-family:inherit;
}
.form-submit:hover{background:var(--primary-dark);}
.form-tip{font-size:13px;color:var(--text-light);margin-top:10px;}
.stat-item{text-align:center;padding:20px 10px;}
.stat-number{font-size:32px;font-weight:800;color:var(--primary-dark);display:block;}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.progress{height:10px;background:var(--primary-light);border-radius:50px;overflow:hidden;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-dark));border-radius:50px;}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;padding:10px 0;}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;}
.bar-fill{width:70%;background:linear-gradient(180deg,var(--primary),var(--primary-dark));border-radius:8px 8px 0 0;min-height:8px;}
.bar-label{font-size:13px;color:var(--text-light);margin-top:10px;}
.badge{
  display:inline-block;font-size:12px;font-weight:700;color:var(--accent);
  background:#fff3e9;border:1px solid #ffd9bd;padding:3px 10px;border-radius:50px;
}
.customer-card,.case-card,.honor-card,.partner-logo,.review-card,.benefit-card,.region-card,.support-card,.step-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;
}
.customer-card:hover,.case-card:hover,.honor-card:hover,.review-card:hover,
.benefit-card:hover,.region-card:hover,.support-card:hover,.step-item:hover{
  transform:translateY(-4px);box-shadow:0 14px 32px rgba(35,70,55,.14);
}
.partner-logo{
  display:flex;align-items:center;justify-content:center;
  color:var(--text-light);font-size:14px;font-weight:600;
  min-height:88px;background:var(--bg-alt);box-shadow:none;
}
.step-list{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.step-number{
  width:40px;height:40px;border-radius:50%;background:var(--primary);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:800;margin-bottom:14px;
}
.footer{background:#1d2b25;color:#c9d6cf;padding:60px 0 24px;}
.footer-inner{
  max-width:1200px;margin:0 auto;padding:0 20px 40px;
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;
}
.footer-col{display:flex;flex-direction:column;gap:12px;}
.footer-title{font-size:16px;color:#fff;font-weight:700;margin-bottom:6px;}
.footer-link{font-size:14px;color:#a9b8b1;transition:color .2s;}
.footer-link:hover{color:#fff;}
.footer-bottom{
  max-width:1200px;margin:0 auto;padding:22px 20px 0;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:13px;color:#8ea198;
}
.footer-info{font-size:14px;color:#a9b8b1;line-height:1.9;}
.footer-info strong{color:#fff;font-weight:600;}
@media (max-width:1200px){
  .footer-inner{grid-template-columns:1fr 1fr;}
  .hero-title{font-size:40px;}
}
@media (max-width:992px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .step-list{grid-template-columns:repeat(2,1fr);}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .hero-stat:nth-child(2){border-right:none;}
  .hero-stat{border-right:none;padding:10px 0;}
  .section{padding:64px 0;}
  .section-title{font-size:27px;}
}
@media (max-width:768px){
  .nav-list{
    position:absolute;top:70px;left:0;right:0;
    flex-direction:column;align-items:flex-start;gap:0;
    background:#fff;border-bottom:1px solid var(--border);
    max-height:0;overflow:hidden;transition:max-height .3s;
    box-shadow:0 8px 20px rgba(35,70,55,.08);
  }
  .nav-list.open{max-height:360px;}
  .nav-link{display:block;width:100%;padding:14px 20px;border-bottom:1px solid var(--border);}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
  .nav-cta .btn{display:none;}
  .hero{padding:120px 0 70px;}
  .hero-title{font-size:32px;}
  .hero-subtitle{font-size:16px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .step-list{grid-template-columns:1fr;}
  .section{padding:52px 0;}
  .footer-inner{grid-template-columns:1fr;}
}
@media (max-width:480px){
  .hero-title{font-size:27px;}
  .hero-stats{grid-template-columns:1fr;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .section-title{font-size:23px;}
  .card{padding:22px;}
}