:root{
  --primary:#ff5c8a;
  --primary-dark:#d93e6c;
  --primary-light:#ffe3ec;
  --accent:#3d4cf0;
  --text:#1f2430;
  --text-light:#6b7280;
  --bg:#ffffff;
  --bg-alt:#f6f7fb;
  --border:#e6e8ef;
  --shadow:0 6px 20px rgba(31,36,48,.08);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none}
h1,h2,h3,h4{line-height:1.3;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:34px;letter-spacing:.5px;margin-bottom:14px}
.section-subtitle{color:var(--text-light);font-size:16px}

.grid{display:grid;gap:26px;grid-template-columns:repeat(4,1fr)}
.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:26px;grid-template-columns:repeat(4,1fr)}

.flex{display:flex;gap:16px;align-items:center}
.flex-between{display:flex;gap:16px;align-items:center;justify-content:space-between}

.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(31,36,48,.14)}
.card-icon{
  width:52px;height:52px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary-dark);
  font-size:24px;margin-bottom:18px;
}
.card-title{font-size:19px;margin-bottom:10px}
.card-text{color:var(--text-light);font-size:15px}
.card-body{margin-top:14px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;font-size:15px;font-weight:600;
  transition:all .25s;border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}
.btn-outline{border-color:var(--border);color:var(--text);background:#fff}
.btn-outline:hover{border-color:var(--primary);color:var(--primary-dark)}
.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,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .3s,border-color .3s;
}
.nav.scrolled{box-shadow:0 4px 18px rgba(31,36,48,.08);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{font-size:20px;font-weight:800;display:flex;align-items:center;gap:10px;color:var(--primary-dark)}
.nav-logo span{width:32px;height:32px;border-radius:9px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px}
.nav-list{display:flex;gap:28px;align-items:center}
.nav-link{font-size:15px;color:var(--text-light);transition:color .2s;position:relative}
.nav-link:hover{color:var(--primary-dark)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;font-size:24px;line-height:1;color:var(--text)}

.hero{
  padding:150px 0 90px;
  background:linear-gradient(160deg,#fff4f8 0%,#f7f8ff 55%,#ffffff 100%);
  position:relative;overflow:hidden;
}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.hero-title{font-size:48px;line-height:1.25;letter-spacing:.5px;margin-bottom:20px}
.hero-title em{font-style:normal;color:var(--primary)}
.hero-subtitle{font-size:17px;color:var(--text-light);margin-bottom:32px;max-width:560px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:44px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;border-top:1px solid var(--border);padding-top:26px}
.hero-stat-num{font-size:28px;font-weight:800;color:var(--primary-dark)}
.hero-stat-label{font-size:13px;color:var(--text-light)}

.timeline{position:relative;padding-left:28px}
.timeline:before{content:"";position:absolute;left:7px;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:16px;height:16px;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}
.timeline-date{font-size:13px;color:var(--primary-dark);font-weight:600;margin-bottom:6px}
.timeline-title{font-size:17px;margin-bottom:8px}
.timeline-text{font-size:14px;color:var(--text-light)}

.news-list{display:grid;gap:20px}
.news-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform .3s}
.news-item:hover{transform:translateY(-3px)}
.news-meta{display:flex;gap:14px;align-items:center;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:999px;font-weight:600;font-size:12px}
.news-title{font-size:19px;margin-bottom:10px}
.news-summary{font-size:14px;color:var(--text-light)}
.news-body{margin-top:12px;font-size:14px;color:var(--text-light)}
.news-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.tag{font-size:12px;color:var(--accent);background:#eef0ff;border-radius:6px;padding:3px 10px}

.faq-list{display:grid;gap:16px;max-width:900px;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;display:flex;gap:10px}
.faq-question:before{content:"Q";color:var(--primary);font-weight:800}
.faq-answer{font-size:15px;color:var(--text-light);padding-left:24px}

.form-group{margin-bottom:20px}
.form-label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.form-input,.form-select,.form-textarea{
  width:100%;padding:12px 16px;border:1px solid var(--border);border-radius:10px;
  font-size:15px;font-family:inherit;background:#fff;color:var(--text);transition:border-color .2s;
}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary)}
.form-textarea{min-height:130px;resize:vertical}
.form-submit{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 34px;border-radius:999px;background:var(--primary);color:#fff;
  font-size:15px;font-weight:600;transition:background .25s;
}
.form-submit:hover{background:var(--primary-dark)}
.form-tip{font-size:13px;color:var(--text-light);margin-top:12px}

.stat-item{text-align:center}
.stat-number{font-size:34px;font-weight:800;color:var(--primary-dark)}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px}
.progress{height:10px;border-radius:999px;background:var(--border);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;margin-top:20px}
.bar-item{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%}
.bar-fill{width:100%;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--primary),var(--primary-dark))}
.bar-label{font-size:13px;color:var(--text-light);margin-top:10px}

.badge{display:inline-block;font-size:12px;font-weight:600;padding:3px 10px;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:26px;box-shadow:var(--shadow);transition:transform .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)}
.partner-logo{
  height:76px;border-radius:var(--radius);border:1px dashed var(--border);
  display:flex;align-items:center;justify-content:center;color:var(--text-light);
  font-size:14px;background:#fff;
}
.step-list{display:grid;gap:22px}
.step-item{display:flex;gap:18px;align-items:flex-start}
.step-number{
  flex:0 0 44px;height:44px;border-radius:50%;background:var(--primary-light);color:var(--primary-dark);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;
}

.footer{background:#141824;color:#c8ccd8;padding:60px 0 26px}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:36px}
.footer-col{font-size:14px}
.footer-title{color:#fff;font-size:16px;margin-bottom:16px}
.footer-link{display:block;color:#c8ccd8;font-size:14px;margin-bottom:10px;transition:color .2s}
.footer-link:hover{color:var(--primary)}
.footer-bottom{max-width:1200px;margin:44px auto 0;padding:22px 20px 0;border-top:1px solid #262b3a;font-size:13px;color:#8b93a7;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.footer-info{font-size:14px;line-height:2}

@media(max-width:1199px){
  .grid,.grid-4{grid-template-columns:repeat(2,1fr)}
  .hero-title{font-size:42px}
}
@media(max-width:991px){
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .footer-inner{grid-template-columns:1fr 1fr}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .section{padding:64px 0}
  .section-title{font-size:29px}
}
@media(max-width:768px){
  .nav-list{
    position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;
    align-items:flex-start;gap:0;padding:10px 20px 20px;border-bottom:1px solid var(--border);
    box-shadow:0 12px 24px rgba(31,36,48,.08);display:none;
  }
  .nav-list.open{display:flex}
  .nav-link{display:block;padding:12px 0;width:100%;border-bottom:1px solid var(--border)}
  .nav-toggle{display:block}
  .nav-cta .btn{display:none}
  .hero{padding:120px 0 70px}
  .hero-title{font-size:34px}
  .hero-stats{grid-template-columns:1fr 1fr}
  .grid,.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .section{padding:56px 0}
  .section-title{font-size:26px}
}
@media(max-width:480px){
  .hero-title{font-size:28px}
  .hero-actions .btn{width:100%}
  .hero-stats{grid-template-columns:1fr}
  .card{padding:22px}
  .footer-inner{grid-template-columns:1fr}
  .bar-chart{gap:10px;height:180px}
}