:root{
  --primary:#2f6bff;
  --primary-dark:#1f4fd0;
  --primary-light:#e8efff;
  --accent:#ff7a45;
  --text:#1c2333;
  --text-light:#5b6478;
  --bg:#ffffff;
  --bg-alt:#f5f7fb;
  --border:#e4e8f0;
  --shadow:0 8px 24px rgba(28,35,51,.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{max-width:100%;display:block;}
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;font-weight:700;letter-spacing:.5px;margin-bottom:14px;}
.section-subtitle{color:var(--text-light);font-size:16px;}

.grid{display:grid;gap:24px;grid-template-columns:1fr;}
.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-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 32px rgba(28,35,51,.12);}
.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:24px;font-weight:700;margin-bottom:18px;}
.card-title{font-size:19px;font-weight:700;margin-bottom:10px;}
.card-text{color:var(--text-light);font-size:15px;}
.card-body{margin-top:12px;}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;font-weight:600;font-size:15px;border:2px solid transparent;cursor:pointer;transition:all .25s;white-space:nowrap;}
.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);}
.btn-sm{padding:9px 18px;font-size:13.5px;}

.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s;}
.nav.scrolled{box-shadow:0 4px 18px rgba(28,35,51,.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(--text);display:flex;align-items:center;gap:10px;}
.nav-logo::before{content:"";width:12px;height:26px;border-radius:4px;background:linear-gradient(180deg,var(--primary),var(--accent));}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{font-size:15px;color:var(--text-light);font-weight:500;transition:color .2s;}
.nav-link:hover{color:var(--primary);}
.nav-toggle{display:none;background:none;border:none;width:40px;height:40px;cursor:pointer;position:relative;color:var(--text);}
.nav-cta{display:inline-flex;align-items:center;padding:10px 22px;border-radius:999px;background:var(--primary);color:#fff;font-size:14.5px;font-weight:600;transition:background .25s;}
.nav-cta:hover{background:var(--primary-dark);}

.hero{position:relative;padding:150px 0 90px;background:linear-gradient(160deg,#eef3ff 0%,#ffffff 55%,#fff4ee 100%);overflow:hidden;}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.hero-title{font-size:46px;line-height:1.25;font-weight:800;letter-spacing:.5px;margin-bottom:22px;}
.hero-title span{color:var(--primary);}
.hero-subtitle{font-size:17.5px;color:var(--text-light);margin-bottom:32px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:44px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:560px;}
.hero-stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow);}
.hero-stat-num{font-size:26px;font-weight:800;color:var(--primary);}
.hero-stat-label{font-size:13.5px;color:var(--text-light);margin-top:4px;}

.timeline{position:relative;padding-left:34px;border-left:2px solid var(--border);}
.timeline-item{position:relative;padding-bottom:34px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-dot{position:absolute;left:-43px;top:4px;width:16px;height:16px;border-radius:50%;background:var(--primary);border:3px solid var(--bg);box-shadow:0 0 0 2px var(--primary-light);}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow);}
.timeline-date{font-size:13px;color:var(--primary);font-weight:700;letter-spacing:.5px;}
.timeline-title{font-size:17px;font-weight:700;margin:6px 0 8px;}
.timeline-text{font-size:14.5px;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-title{font-size:18px;font-weight:700;margin-bottom:10px;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;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-weight:600;}
.news-summary{font-size:14.5px;color:var(--text-light);}
.news-body{margin-top:10px;font-size:14.5px;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);font-size:12.5px;padding:3px 12px;border-radius:999px;}

.faq-list{display:grid;gap:16px;max-width:880px;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:16.5px;font-weight:700;margin-bottom:10px;color:var(--text);}
.faq-answer{font-size:14.5px;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;background:#fff;color:var(--text);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:120px;resize:vertical;}
.form-submit{display:inline-flex;align-items:center;justify-content:center;padding:13px 34px;border-radius:999px;background:var(--primary);color:#fff;font-weight:600;border:none;cursor:pointer;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:24px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);}
.stat-number{font-size:32px;font-weight:800;color:var(--primary);}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.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-top:20px;}
.bar-item{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;gap:10px;}
.bar-fill{width:100%;max-width:56px;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--primary),var(--primary-dark));}
.bar-label{font-size:13px;color:var(--text-light);}

.badge{display:inline-block;padding:4px 12px;border-radius:999px;background:var(--accent);color:#fff;font-size:12.5px;font-weight:600;}
.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,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 14px 32px rgba(28,35,51,.12);}
.partner-logo{display:flex;align-items:center;justify-content:center;height:80px;border:1px dashed var(--border);border-radius:var(--radius);background:#fff;color:var(--text-light);font-size:14px;}

.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 26px;box-shadow:var(--shadow);}
.step-number{flex:0 0 44px;width:44px;height:44px;border-radius:12px;background:var(--primary);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:17px;}

.footer{background:#12192b;color:#a7b0c4;padding:70px 0 0;}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:50px;}
.footer-col{display:flex;flex-direction:column;gap:12px;}
.footer-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:8px;}
.footer-link{font-size:14px;color:#a7b0c4;transition:color .2s;}
.footer-link:hover{color:#fff;}
.footer-info{font-size:14px;line-height:1.8;color:#a7b0c4;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 20px;text-align:center;font-size:13.5px;color:#8b94a8;}

@media (max-width:1199px){
  .hero-title{font-size:40px;}
  .container{padding:0 24px;}
}
@media (max-width:992px){
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero-title{font-size:36px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:repeat(2,1fr);}
  .nav-list{display:none;}
  .nav-toggle{display:block;}
  .section{padding:64px 0;}
}
@media (max-width:768px){
  .hero{padding:130px 0 70px;}
  .hero-title{font-size:30px;}
  .hero-stats{grid-template-columns:1fr 1fr 1fr;gap:12px;}
  .hero-stat{padding:14px;}
  .hero-stat-num{font-size:22px;}
  .section-title{font-size:26px;}
  .grid-2{grid-template-columns:1fr;}
  .grid-3{grid-template-columns:1fr;}
  .grid-4{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr;}
}
@media (max-width:480px){
  .hero-title{font-size:25px;}
  .hero-subtitle{font-size:15.5px;}
  .hero-stats{grid-template-columns:1fr;}
  .btn{padding:12px 22px;font-size:14px;}
  .card{padding:22px;}
}