:root{
  --primary:#2f6f4f;
  --primary-dark:#1f4d36;
  --primary-light:#e6f2ea;
  --accent:#e08a2b;
  --text:#22282b;
  --text-light:#5f6b6f;
  --bg:#ffffff;
  --bg-alt:#f5f8f6;
  --border:#dfe6e2;
  --shadow:0 4px 18px rgba(20,60,40,.08);
  --radius:12px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
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;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}

.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:clamp(1.5rem,2.6vw,2.1rem);color:var(--primary-dark);position:relative;padding-bottom:14px;}
.section-title::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:56px;height:3px;background:var(--accent);border-radius:2px;}
.section-subtitle{margin-top:16px;color:var(--text-light);font-size:1rem;}

.grid{display:grid;gap:26px;}
.grid-2{display:grid;gap:26px;grid-template-columns:repeat(2,1fr);}
.grid-3{display:grid;gap:26px;grid-template-columns:repeat(3,1fr);}
.grid-4{display:grid;gap:22px;grid-template-columns:repeat(4,1fr);}
.flex{display:flex;align-items:center;gap:14px;}
.flex-between{display:flex;align-items:center;justify-content:space-between;gap:14px;}

.card{
  background:#fff;border-radius:var(--radius);padding:28px;
  box-shadow:var(--shadow);border:1px solid var(--border);
  transition:transform .3s,box-shadow .3s;
}
.card:hover{transform:translateY(-4px);box-shadow:0 10px 26px rgba(20,60,40,.14);}
.card-icon{
  width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary-dark);font-size:22px;font-weight:700;margin-bottom:16px;
}
.card-title{font-size:1.1rem;color:var(--primary-dark);margin-bottom:10px;}
.card-text{color:var(--text-light);font-size:.95rem;}
.card-body{margin-top:14px;color:var(--text-light);font-size:.95rem;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;font-size:.98rem;font-weight:600;
  transition:background .25s,color .25s,border-color .25s,transform .25s;
  border:2px solid transparent;
}
.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);transform:translateY(-2px);}
.btn-sm{padding:8px 18px;font-size:.85rem;}

.nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);transition:box-shadow .3s;
}
.nav.scrolled{box-shadow:0 4px 16px rgba(20,60,40,.12);}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;height:68px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.nav-logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.05rem;color:var(--primary-dark);}
.nav-logo span{color:var(--accent);}
.nav-list{display:flex;align-items:center;gap:6px;}
.nav-link{
  display:block;padding:9px 14px;border-radius:8px;font-size:.93rem;color:var(--text);
  transition:background .2s,color .2s;
}
.nav-link:hover{background:var(--primary-light);color:var(--primary-dark);}
.nav-cta{display:flex;align-items:center;gap:10px;}
.nav-cta .btn{padding:9px 20px;font-size:.9rem;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:8px;border:1px solid var(--border);
  color:var(--primary-dark);font-size:1.2rem;align-items:center;justify-content:center;
}

.hero{
  padding:150px 0 90px;
  background:linear-gradient(160deg,var(--primary-light) 0%,#ffffff 62%);
  border-bottom:1px solid var(--border);
}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{
  font-size:clamp(1.8rem,4vw,3rem);color:var(--primary-dark);letter-spacing:.5px;
  max-width:900px;margin:0 auto;
}
.hero-subtitle{
  margin:22px auto 0;max-width:720px;color:var(--text-light);font-size:1.06rem;
}
.hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-top:34px;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin-top:56px;padding:28px 20px;background:#fff;border-radius:var(--radius);
  border:1px solid var(--border);box-shadow:var(--shadow);
}
.hero-stat{text-align:center;padding:6px 10px;}
.hero-stat-num{font-size:1.7rem;font-weight:700;color:var(--primary);}
.hero-stat-label{margin-top:6px;font-size:.86rem;color:var(--text-light);}

.timeline{position:relative;margin-left:8px;padding-left:26px;border-left:2px solid var(--border);}
.timeline-item{position:relative;padding-bottom:30px;}
.timeline-dot{
  position:absolute;left:-34px;top:6px;width:14px;height:14px;border-radius:50%;
  background:var(--accent);border:3px solid #fff;box-shadow:0 0 0 2px var(--primary-light);
}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow);}
.timeline-date{font-size:.82rem;color:var(--accent);font-weight:600;}
.timeline-title{font-size:1.05rem;color:var(--primary-dark);margin:6px 0 8px;}
.timeline-text{font-size:.93rem;color:var(--text-light);}

.news-list{display:grid;gap:18px;}
.news-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);transition:transform .3s;}
.news-item:hover{transform:translateY(-3px);}
.news-title{font-size:1.05rem;color:var(--primary-dark);margin-bottom:8px;}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:.82rem;color:var(--text-light);margin-bottom:10px;}
.news-date{color:var(--text-light);}
.news-category{background:var(--primary-light);color:var(--primary-dark);padding:2px 10px;border-radius:999px;font-size:.78rem;}
.news-summary{font-size:.94rem;color:var(--text-light);}
.news-body{margin-top:12px;font-size:.94rem;color:var(--text-light);}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{background:var(--bg-alt);border:1px solid var(--border);color:var(--text-light);padding:3px 12px;border-radius:999px;font-size:.78rem;}

.faq-list{display:grid;gap:16px;max-width:860px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow);}
.faq-question{font-weight:700;color:var(--primary-dark);font-size:1rem;margin-bottom:10px;}
.faq-answer{color:var(--text-light);font-size:.94rem;}

.form-group{margin-bottom:18px;}
.form-label{display:block;font-size:.9rem;font-weight:600;color:var(--primary-dark);margin-bottom:8px;}
.form-input,.form-select,.form-textarea{
  width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:10px;
  font-size:.94rem;font-family:inherit;color:var(--text);background:#fff;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;
  background:var(--primary);color:#fff;border-radius:999px;font-size:.98rem;font-weight:600;
  transition:background .25s,transform .25s;
}
.form-submit:hover{background:var(--primary-dark);transform:translateY(-2px);}
.form-tip{font-size:.82rem;color:var(--text-light);margin-top:10px;}

.stat-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;text-align:center;box-shadow:var(--shadow);}
.stat-number{font-size:1.9rem;font-weight:700;color:var(--primary);}
.stat-label{margin-top:6px;font-size:.86rem;color:var(--text-light);}
.progress{height:10px;background:var(--bg-alt);border-radius:999px;overflow:hidden;margin-top:10px;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:999px;}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;padding:10px 0;}
.bar-item{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;}
.bar-fill{width:100%;max-width:52px;background:linear-gradient(180deg,var(--primary),var(--primary-dark));border-radius:8px 8px 0 0;transition:height .4s;}
.bar-label{margin-top:10px;font-size:.8rem;color:var(--text-light);text-align:center;}

.badge{display:inline-block;padding:3px 12px;border-radius:999px;background:var(--primary-light);color:var(--primary-dark);font-size:.78rem;font-weight:600;}
.customer-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.case-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);transition:transform .3s;}
.case-card:hover{transform:translateY(-4px);}
.honor-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;text-align:center;box-shadow:var(--shadow);}
.partner-logo{
  display:flex;align-items:center;justify-content:center;height:80px;background:#fff;
  border:1px dashed var(--border);border-radius:10px;color:var(--text-light);font-size:.85rem;
}
.review-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.benefit-card{background:var(--primary-light);border-radius:var(--radius);padding:24px;}
.step-list{display:grid;gap:18px;counter-reset:step;}
.step-item{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);}
.step-number{
  flex:0 0 40px;width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;
}
.region-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);}
.support-card{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);padding:24px;}

.footer{background:var(--primary-dark);color:#d8e6de;padding:60px 0 0;}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;}
.footer-col{font-size:.9rem;}
.footer-title{color:#fff;font-size:1rem;font-weight:700;margin-bottom:16px;}
.footer-link{display:block;color:#b9cfc4;padding:5px 0;transition:color .2s;}
.footer-link:hover{color:#fff;}
.footer-info{color:#b9cfc4;font-size:.9rem;line-height:1.9;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:20px;text-align:center;font-size:.82rem;color:#a7c0b3;}

@media (max-width:1200px){
  .hero-stats{grid-template-columns:repeat(4,1fr);}
}
@media (max-width:992px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:repeat(2,1fr);}
  .nav-list{display:none;}
  .nav-toggle{display:flex;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .hero{padding:120px 0 64px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .nav-cta{display:none;}
  .bar-chart{height:180px;gap:10px;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  .card{padding:22px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .footer-inner{grid-template-columns:1fr;gap:26px;}
}