:root{
  --primary:#f26f2c;
  --primary-dark:#c9531a;
  --primary-light:#fff1e8;
  --accent:#1f9b8e;
  --text:#1f2733;
  --text-light:#5c6875;
  --bg:#ffffff;
  --bg-alt:#f6f8fa;
  --border:#e3e8ee;
  --shadow:0 4px 18px rgba(31,39,51,.08);
  --radius:12px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,"Segoe UI",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  padding-top:68px;
}
a{text-decoration:none;color:inherit;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
h1,h2,h3,h4{line-height:1.35;font-weight:700;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
.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;letter-spacing:.5px;}
.section-title::after{
  content:"";display:block;width:56px;height:4px;border-radius:2px;
  background:var(--primary);margin:16px auto 0;
}
.section-subtitle{margin-top:16px;color:var(--text-light);font-size:16px;}
.grid{display:grid;gap:24px;}
.grid-2{display:grid;gap:24px;grid-template-columns:repeat(2,1fr);}
.grid-3{display:grid;gap:24px;grid-template-columns:repeat(3,1fr);}
.grid-4{display:grid;gap:24px;grid-template-columns:repeat(4,1fr);}
.flex{display:flex;gap:16px;align-items:center;flex-wrap:wrap;}
.flex-between{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;}
.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 12px 28px rgba(31,39,51,.12);}
.card-icon{
  width:52px;height:52px;border-radius:14px;display:flex;
  align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary);
  font-size:22px;font-weight:700;margin-bottom:18px;
}
.card-title{font-size:19px;margin-bottom:10px;}
.card-text{color:var(--text-light);font-size:15px;}
.card-body{margin-top:12px;}
.btn{
  display:inline-block;padding:13px 30px;border-radius:999px;
  border:1px solid transparent;cursor:pointer;font-size:15px;
  font-weight:600;text-align:center;transition:all .25s;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary-light);transform:translateY(-2px);}
.btn-sm{padding:8px 20px;font-size:14px;}
.nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,.96);border-bottom:1px solid var(--border);
  transition:box-shadow .3s;
}
.nav.scrolled{box-shadow:0 4px 20px rgba(31,39,51,.1);}
.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{
  font-size:21px;font-weight:800;color:var(--primary);
  display:flex;align-items:center;gap:8px;white-space:nowrap;
}
.nav-logo::before{
  content:"柚";display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:9px;background:var(--primary);color:#fff;
  font-size:16px;
}
.nav-list{display:flex;gap:26px;align-items:center;}
.nav-link{
  font-size:15px;color:var(--text);font-weight:500;padding:6px 0;
  position:relative;transition:color .2s;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--primary);transition:width .25s;
}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{width:100%;}
.nav-toggle{
  display:none;background:none;border:1px solid var(--border);border-radius:8px;
  width:42px;height:38px;cursor:pointer;color:var(--text);font-size:18px;
}
.nav-cta{display:flex;align-items:center;gap:10px;}
.hero{
  background:linear-gradient(150deg,var(--primary-light) 0%,#ffffff 62%);
  border-bottom:1px solid var(--border);
}
.hero-inner{
  max-width:1200px;margin:0 auto;padding:88px 20px 72px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;
}
.hero-title{font-size:46px;line-height:1.25;letter-spacing:1px;}
.hero-title span{color:var(--primary);}
.hero-subtitle{
  margin-top:22px;font-size:17px;color:var(--text-light);max-width:560px;
}
.hero-actions{margin-top:34px;display:flex;gap:16px;flex-wrap:wrap;}
.hero-stats{
  margin-top:52px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  border-top:1px dashed var(--border);padding-top:28px;
}
.hero-stat-num{
  font-size:30px;font-weight:800;color:var(--primary);line-height:1.2;
}
.hero-stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.hero .card{align-self:start;}
.timeline{position:relative;padding-left:28px;}
.timeline::before{
  content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:var(--border);
}
.timeline-item{position:relative;padding-bottom:30px;}
.timeline-dot{
  position:absolute;left:-28px;top:6px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px 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);font-weight:700;letter-spacing:.5px;}
.timeline-title{font-size:17px;margin:6px 0 8px;}
.timeline-text{font-size:14.5px;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,box-shadow .3s;
}
.news-item:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(31,39,51,.1);}
.news-title{font-size:18px;margin-bottom:8px;}
.news-meta{display:flex;align-items:center;gap:12px;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:999px;font-size:12px;font-weight:600;
}
.news-summary{margin-top:10px;color:var(--text-light);font-size:14.5px;}
.news-body{margin-top:12px;color:var(--text-light);font-size:15px;}
.news-tags{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap;}
.tag{
  font-size:12px;color:var(--accent);border:1px solid rgba(31,155,142,.35);
  background:rgba(31,155,142,.08);padding:3px 10px;border-radius:999px;
}
.faq-list{display:grid;gap:14px;max-width:900px;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-size:16.5px;font-weight:700;color:var(--text);}
.faq-answer{margin-top:10px;font-size:14.5px;color:var(--text-light);}
.form-group{margin-bottom:18px;text-align:left;}
.form-label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.form-input,.form-select,.form-textarea{
  width:100%;padding:12px 14px;border:1px solid var(--border);
  border-radius:10px;background:#fff;color:var(--text);outline:none;
  transition:border-color .2s,box-shadow .2s;
}
.form-input:focus,.form-select:focus,.form-textarea:focus{
  border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light);
}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{width:100%;}
.form-tip{font-size:13px;color:var(--text-light);margin-top:10px;}
.stat-item{text-align:center;padding:22px 12px;}
.stat-number{font-size:30px;font-weight:800;color:var(--primary);}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.progress{height:9px;background:#eceff3;border-radius:999px;overflow:hidden;}
.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-top:10px;}
.bar-item{flex:1;display:flex;flex-direction:column;justify-content:flex-end;height:100%;text-align:center;}
.bar-fill{background:linear-gradient(180deg,var(--primary),var(--primary-dark));border-radius:8px 8px 0 0;min-height:6px;}
.bar-label{font-size:13px;color:var(--text-light);margin-top:10px;}
.badge{
  display:inline-block;font-size:12px;font-weight:600;padding:3px 12px;
  border-radius:999px;background:var(--primary-light);color:var(--primary-dark);
}
.customer-card,.case-card,.honor-card,.review-card,.benefit-card,.region-card,.support-card{
  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{
  transform:translateY(-4px);box-shadow:0 12px 28px rgba(31,39,51,.12);
}
.partner-logo{
  height:76px;border:1px dashed var(--border);border-radius:var(--radius);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-light);font-size:14px;background:#fff;
}
.step-list{display:grid;gap:18px;counter-reset:step;}
.step-item{
  position:relative;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius);padding:22px 24px 22px 74px;box-shadow:var(--shadow);
}
.step-number{
  position:absolute;left:22px;top:22px;width:36px;height:36px;border-radius:50%;
  background:var(--primary);color:#fff;display:flex;align-items:center;
  justify-content:center;font-weight:700;font-size:15px;
}
.footer{background:#1f2733;color:#c8d0da;padding:64px 0 0;}
.footer-inner{
  max-width:1200px;margin:0 auto;padding:0 20px 44px;
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;
}
.footer-col{min-width:0;}
.footer-title{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-link{display:block;color:#a7b1bd;font-size:14px;margin-bottom:10px;transition:color .2s;}
.footer-link:hover{color:var(--primary);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px;
  text-align:center;font-size:13px;color:#8c97a3;
}
.footer-info{font-size:14px;color:#a7b1bd;line-height:2;}
@media (max-width:1200px){
  .hero-title{font-size:40px;}
  .footer-inner{grid-template-columns:1fr 1fr;}
}
@media (max-width:992px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .hero-inner{grid-template-columns:1fr;padding:64px 20px 56px;}
  .section{padding:64px 0;}
}
@media (max-width:768px){
  .nav-list{
    display:none;position:absolute;top:68px;left:0;right:0;
    background:#fff;flex-direction:column;gap:0;padding:12px 20px 20px;
    border-bottom:1px solid var(--border);box-shadow:0 12px 24px rgba(31,39,51,.1);
  }
  .nav-list.open{display:flex;}
  .nav-link{width:100%;padding:12px 0;border-bottom:1px solid var(--border);}
  .nav-toggle{display:block;}
  .nav-cta .btn{display:none;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:1fr;gap:14px;}
  .hero-title{font-size:32px;}
  .section-title{font-size:26px;}
  .footer-inner{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:480px){
  body{font-size:15px;padding-top:62px;}
  .nav-inner{height:62px;}
  .nav-list{top:62px;}
  .hero-title{font-size:27px;}
  .hero-actions .btn{width:100%;}
  .card{padding:22px;}
  .section{padding:48px 0;}
}