:root{
  --primary:#ff4d6d;
  --primary-dark:#d63356;
  --primary-light:#ffe3ea;
  --accent:#7b2ff7;
  --text:#1f2233;
  --text-light:#6b7089;
  --bg:#ffffff;
  --bg-alt:#f7f8fc;
  --border:#e8eaf2;
  --shadow:0 6px 24px rgba(31,34,51,.08);
  --radius:14px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,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,svg{max-width:100%;display:block;}
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:32px;margin-bottom:14px;letter-spacing:.5px;}
.section-subtitle{color:var(--text-light);font-size:16px;}
.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;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 36px rgba(31,34,51,.12);}
.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;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:8px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 30px;border-radius:999px;font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:all .25s;font-family:inherit;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(255,77,109,.3);}
.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:9px 20px;font-size:14px;}
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s;}
.nav.scrolled{box-shadow:0 4px 20px rgba(31,34,51,.08);border-color:var(--border);}
.nav-inner{max-width:1200px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.nav-logo{font-size:20px;font-weight:800;color:var(--primary-dark);display:flex;align-items:center;gap:8px;letter-spacing:.5px;}
.nav-logo span{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:15px;}
.nav-list{display:flex;align-items:center;gap:30px;}
.nav-link{font-size:15px;color:var(--text);font-weight:500;position:relative;padding:4px 0;transition:color .25s;}
.nav-link::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--primary);transition:width .25s;border-radius:2px;}
.nav-link:hover{color:var(--primary-dark);}
.nav-link:hover::after{width:100%;}
.nav-toggle{display:none;background:none;border:none;font-size:24px;cursor:pointer;color:var(--text);line-height:1;}
.nav-cta{padding:10px 22px;border-radius:999px;background:var(--primary);color:#fff;font-size:14px;font-weight:600;transition:all .25s;}
.nav-cta:hover{background:var(--primary-dark);}
.hero{position:relative;padding:150px 0 90px;background:linear-gradient(160deg,#fff 0%,var(--bg-alt) 55%,var(--primary-light) 100%);overflow:hidden;}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{font-size:46px;letter-spacing:1px;margin-bottom:20px;}
.hero-title em{font-style:normal;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:900px;margin:0 auto;}
.hero-stat{background:rgba(255,255,255,.75);border:1px solid var(--border);border-radius:var(--radius);padding:22px 12px;}
.hero-stat-num{font-size:28px;font-weight:800;color:var(--primary-dark);}
.hero-stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.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-dot{position:absolute;left:-32px;top:6px;width:18px;height:18px;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-dark);font-weight:600;margin-bottom:6px;}
.timeline-title{font-size:17px;margin-bottom:8px;}
.timeline-text{font-size:15px;color:var(--text-light);}
.news-list{display:flex;flex-direction:column;gap:18px;}
.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-title{font-size:18px;margin-bottom:10px;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-light);margin-bottom:12px;}
.news-date{color:var(--text-light);}
.news-category{background:var(--primary-light);color:var(--primary-dark);padding:3px 12px;border-radius:999px;font-weight:600;}
.news-summary{font-size:15px;color:var(--text-light);}
.news-body{font-size:15px;color:var(--text-light);margin-top:10px;}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{font-size:13px;background:var(--bg-alt);border:1px solid var(--border);color:var(--text-light);padding:3px 12px;border-radius:999px;}
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:860px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);}
.faq-question{font-size:17px;font-weight:700;color:var(--text);margin-bottom:10px;}
.faq-answer{font-size:15px;color:var(--text-light);}
.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;color:var(--text);background:#fff;transition:border-color .25s;}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary);}
.form-textarea{resize:vertical;min-height:120px;}
.form-submit{display:inline-flex;align-items:center;justify-content:center;width:100%;padding:14px;border:none;border-radius:10px;background:var(--primary);color:#fff;font-size:16px;font-weight:600;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;}
.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(--bg-alt);overflow:hidden;margin-top:10px;}
.progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent));}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;padding:20px 0;}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;}
.bar-fill{width:100%;max-width:52px;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{transform:translateY(-4px);}
.partner-logo{height:64px;border:1px dashed var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--text-light);font-size:14px;background:#fff;}
.step-list{display:flex;flex-direction:column;gap:20px;}
.step-item{display:flex;gap:18px;align-items:flex-start;}
.step-number{flex:0 0 44px;width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;}
.footer{background:#151727;color:#c9ccdd;padding:64px 0 0;}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;}
.footer-col{display:flex;flex-direction:column;gap:12px;}
.footer-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:6px;}
.footer-link{font-size:14px;color:#c9ccdd;transition:color .25s;}
.footer-link:hover{color:#fff;}
.footer-info{font-size:14px;color:#c9ccdd;line-height:1.9;}
.footer-bottom{max-width:1200px;margin:48px auto 0;padding:22px 20px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:#8f93a8;}
@media(max-width:1200px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .hero-title{font-size:40px;}
}
@media(max-width:992px){
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:1fr 1fr;}
  .hero-title{font-size:36px;}
  .nav-list{display:none;}
  .nav-toggle{display:block;}
}
@media(max-width:768px){
  .section{padding:60px 0;}
  .section-title{font-size:26px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero{padding:120px 0 70px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:1fr;}
  .bar-chart{height:180px;}
}
@media(max-width:480px){
  .hero-title{font-size:28px;}
  .hero-subtitle{font-size:16px;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;}
  .hero-stats{grid-template-columns:1fr;}
  .card{padding:22px;}
}