:root{
  --primary:#2f5df0;
  --primary-dark:#1d3fb8;
  --primary-light:#e8eeff;
  --accent:#0fb6a8;
  --text:#1b2130;
  --text-light:#5d6675;
  --bg:#ffffff;
  --bg-alt:#f5f7fc;
  --border:#e3e7f1;
  --shadow:0 6px 24px rgba(27,33,48,.08);
  --radius:14px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  font-size:16px;
  padding-top:70px;
}
a{text-decoration:none;color:inherit;}
ul,ol{list-style:none;}
img,svg{max-width:100%;display:block;}
h1,h2,h3,h4{line-height:1.35;font-weight:700;}
button{font-family:inherit;cursor:pointer;}
.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 52px;}
.section-title{font-size:32px;letter-spacing:.5px;margin-bottom:14px;}
.section-title::after{content:"";display:block;width:52px;height:4px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--accent));margin:16px auto 0;}
.section-subtitle{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;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s,border-color .3s;}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(47,93,240,.14);border-color:#cfdafd;}
.card-icon{width:52px;height:52px;border-radius:12px;background:var(--primary-light);color:var(--primary);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:14px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;border:1px solid transparent;font-size:16px;font-weight:600;transition:all .25s;white-space:nowrap;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(47,93,240,.28);}
.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);}
.btn-sm{padding:8px 18px;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(27,33,48,.1);}
.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:20px;font-weight:800;color:var(--text);}
.nav-logo span{color:var(--primary);}
.nav-list{display:flex;align-items:center;gap:6px;}
.nav-link{display:block;padding:9px 14px;border-radius:8px;font-size:15px;color:var(--text-light);font-weight:500;transition:color .2s,background .2s;}
.nav-link:hover{color:var(--primary);background:var(--primary-light);}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--text);font-size:20px;line-height:1;}
.nav-cta{display:inline-flex;align-items:center;padding:10px 22px;border-radius:999px;background:var(--primary);color:#fff;font-size:15px;font-weight:600;transition:background .25s;}
.nav-cta:hover{background:var(--primary-dark);}
.hero{position:relative;overflow:hidden;padding:90px 0 80px;background:linear-gradient(160deg,#eef2ff 0%,#f8fbff 55%,#eafaf8 100%);}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{font-size:46px;line-height:1.25;letter-spacing:1px;margin-bottom:22px;}
.hero-title em{font-style:normal;color:var(--primary);}
.hero-subtitle{max-width:760px;margin:0 auto 34px;font-size:18px;color:var(--text-light);}
.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:18px;max-width:880px;margin:0 auto;}
.hero-stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 12px;box-shadow:var(--shadow);}
.hero-stat-num{display:block;font-size:28px;font-weight:800;color:var(--primary);letter-spacing:.5px;}
.hero-stat-label{display:block;font-size:14px;color:var(--text-light);margin-top:6px;}
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:28px;border-left:2px solid var(--border);}
.timeline-item{position:relative;padding:0 0 34px 24px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-dot{position:absolute;left:-37px;top:4px;width:14px;height:14px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px 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:13px;color:var(--accent);font-weight:700;letter-spacing:.5px;}
.timeline-title{font-size:17px;margin:6px 0 6px;}
.timeline-text{font-size:15px;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:border-color .25s;}
.news-item:hover{border-color:#cfdafd;}
.news-title{font-size:18px;margin-bottom:8px;}
.news-meta{display:flex;gap:10px;align-items:center;font-size:13px;color:var(--text-light);margin-bottom:10px;}
.news-date{color:var(--text-light);}
.news-category{display:inline-block;padding:2px 10px;border-radius:999px;background:var(--primary-light);color:var(--primary);font-size:12px;font-weight:600;}
.news-summary{color:var(--text-light);font-size:15px;}
.news-body{margin-top:12px;font-size:15px;color:var(--text-light);}
.news-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}
.tag{display:inline-block;padding:3px 11px;border-radius:6px;background:var(--bg-alt);border:1px solid var(--border);color:var(--text-light);font-size:12px;}
.faq-list{display:grid;gap:15px;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:17px;font-weight:700;margin-bottom:8px;}
.faq-answer{font-size:15px;color:var(--text-light);}
.form-group{margin-bottom:19px;}
.form-label{display:block;font-size:14px;font-weight:600;margin-bottom:7px;}
.form-input,.form-select,.form-textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:10px;font-size:15px;color:var(--text);background:#fff;transition:border-color .2s,box-shadow .2s;font-family:inherit;}
.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:120px;resize:vertical;}
.form-submit{display:inline-flex;align-items:center;justify-content:center;padding:13px 34px;border:none;border-radius:999px;background:var(--primary);color:#fff;font-size:16px;font-weight:600;transition:background .25s;}
.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{display:block;font-size:32px;font-weight:800;color:var(--primary);}
.stat-label{display:block;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%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent));}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:200px;padding:0 8px;}
.bar-item{flex:1;display:flex;flex-direction:column;justify-content:flex-end;height:100%;text-align:center;}
.bar-fill{width:100%;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--primary),#6b8cff);}
.bar-label{font-size:12px;color:var(--text-light);margin-top:8px;}
.badge{display:inline-block;padding:4px 12px;border-radius:999px;background:var(--accent);color:#fff;font-size:12px;font-weight:700;letter-spacing:.5px;}
.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-left:4px solid var(--primary);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.honor-card{background:#fff;border:1px dashed var(--border);border-radius:var(--radius);padding:22px;text-align:center;color:var(--text-light);font-size:14px;}
.partner-logo{display:flex;align-items:center;justify-content:center;min-height:72px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);color:var(--text-light);font-size:14px;letter-spacing:1px;}
.review-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.benefit-card{background:linear-gradient(160deg,var(--primary-light),#fff);border:1px solid #d9e3ff;border-radius:var(--radius);padding:24px;}
.step-list{display:grid;gap:20px;}
.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;font-weight:800;display:flex;align-items:center;justify-content:center;}
.region-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;text-align:center;box-shadow:var(--shadow);}
.support-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.about-lead{max-width:860px;margin:0 auto 46px;text-align:center;color:var(--text-light);font-size:16px;}
.about-lead strong{color:var(--text);}
.keyword-box{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px 28px;box-shadow:var(--shadow);}
.mission-list{display:grid;gap:16px;margin-top:18px;}
.mission-list li{display:flex;gap:12px;font-size:15px;color:var(--text-light);}
.mission-list li::before{content:"\2714";color:var(--accent);font-weight:700;flex:0 0 auto;}
.footer{background:#131a2b;color:#c3cbdd;padding:64px 0 0;}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:44px;}
.footer-col{font-size:14px;}
.footer-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:16px;}
.footer-link{display:block;color:#a9b3c8;padding:5px 0;transition:color .2s;}
.footer-link:hover{color:#fff;}
.footer-info{font-size:14px;line-height:2;color:#a9b3c8;}
.footer-info a{color:#a9b3c8;}
.footer-info a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px;text-align:center;font-size:13px;color:#8b96ad;}
@media (max-width:1200px){
  .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);}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:1fr 1fr;}
  .section{padding:64px 0;}
}
@media (max-width:768px){
  .nav-list{position:absolute;top:70px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--border);box-shadow:0 10px 24px rgba(27,33,48,.1);padding:10px 16px;display:none;}
  .nav-list.open{display:flex;}
  .nav-link{padding:12px 10px;}
  .nav-toggle{display:block;}
  .nav-cta{display:none;}
  .hero{padding:64px 0 56px;}
  .hero-title{font-size:32px;}
  .hero-subtitle{font-size:16px;}
  .grid-3,.grid-2,.grid-4{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr;gap:28px;}
  .section-title{font-size:26px;}
}
@media (max-width:480px){
  body{font-size:15px;}
  .hero-title{font-size:27px;}
  .hero-stats{grid-template-columns:1fr;}
  .btn{width:100%;}
  .hero-actions{flex-direction:column;}
  .card{padding:22px;}
  .step-item{flex-direction:column;}
}