:root{
  --primary:#5b3df5;
  --primary-dark:#3f28bd;
  --primary-light:#eee9ff;
  --accent:#ff6a3d;
  --text:#1c1b2e;
  --text-light:#66657c;
  --bg:#ffffff;
  --bg-alt:#f6f5fb;
  --border:#e6e4f0;
  --shadow:0 6px 24px rgba(40,30,90,.08);
  --radius:14px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;scroll-padding-top:76px;}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",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,ol{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;letter-spacing:.5px;margin-bottom:14px;}
.section-title::after{content:"";display:block;width:56px;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;}

/* 网格 */
.grid{display:grid;gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}

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

/* 卡片 */
.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 14px 34px rgba(40,30,90,.14);}
.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{font-size:15px;color:var(--text-light);}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:999px;font-size:15px;font-weight:600;cursor:pointer;border:2px solid transparent;transition:all .25s;white-space:nowrap;}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 8px 20px rgba(91,61,245,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(91,61,245,.38);}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent;}
.btn-outline:hover{background:var(--primary);color:#fff;}
.btn-sm{padding:8px 18px;font-size:13px;}

/* 导航 */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s;}
.nav.scrolled{box-shadow:0 4px 20px rgba(40,30,90,.1);border-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;}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--text);letter-spacing:.5px;}
.nav-logo span{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{font-size:15px;color:var(--text-light);font-weight:500;transition:color .2s;position:relative;}
.nav-link:hover{color:var(--primary);}
.nav-cta{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;background:none;border:none;font-size:26px;line-height:1;color:var(--text);cursor:pointer;padding:4px 8px;}

/* Hero */
.hero{padding:150px 0 90px;background:radial-gradient(circle at 15% 10%,#efe9ff 0%,transparent 45%),radial-gradient(circle at 85% 20%,#ffece4 0%,transparent 40%),var(--bg);}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{font-size:46px;font-weight:800;letter-spacing:1px;margin-bottom:22px;}
.hero-title em{font-style:normal;background:linear-gradient(90deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-subtitle{font-size:18px;color:var(--text-light);max-width:720px;margin:0 auto 34px;}
.hero-actions{display:flex;gap:16px;justify-content:center;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:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 12px;box-shadow:var(--shadow);}
.hero-stat-num{font-size:28px;font-weight:800;color:var(--primary);display:block;}
.hero-stat-label{font-size:13px;color:var(--text-light);}

/* 时间轴 */
.timeline{position:relative;max-width:860px;margin:0 auto;padding-left:28px;}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--border);}
.timeline-item{position:relative;padding:0 0 32px 22px;}
.timeline-dot{position:absolute;left:-28px;top:4px;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 24px;box-shadow:var(--shadow);}
.timeline-date{font-size:13px;color:var(--accent);font-weight:600;margin-bottom:4px;}
.timeline-title{font-size:17px;margin-bottom:6px;}
.timeline-text{font-size:14px;color:var(--text-light);}

/* 新闻 */
.news-list{display:flex;flex-direction:column;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;margin-bottom:8px;}
.news-title a:hover{color:var(--primary);}
.news-meta{display:flex;gap:12px;align-items:center;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);padding:2px 10px;border-radius:999px;font-weight:600;}
.news-summary{font-size:14px;color:var(--text-light);margin-bottom:12px;}
.news-body{font-size:14px;color:var(--text-light);}
.news-tags{display:flex;gap:8px;flex-wrap:wrap;}
.tag{font-size:12px;color:var(--primary);background:var(--primary-light);padding:3px 10px;border-radius:999px;}

/* FAQ */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow);}
.faq-question{font-size:16px;font-weight:700;margin-bottom:8px;}
.faq-answer{font-size:14px;color:var(--text-light);}

/* 表单 */
.form-group{margin-bottom:18px;}
.form-label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;}
.form-input,.form-select,.form-textarea{width:100%;padding:11px 14px;border:1px solid var(--border);border-radius:10px;font-size:14px;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);box-shadow:0 0 0 3px var(--primary-light);}
.form-textarea{min-height:120px;resize:vertical;}
.form-submit{width:100%;padding:13px;border:none;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:opacity .2s;}
.form-submit:hover{opacity:.9;}
.form-tip{font-size:12px;color:var(--text-light);margin-top:8px;}

/* 数据可视化 */
.stat-item{text-align:center;padding:20px;}
.stat-number{font-size:34px;font-weight:800;color:var(--primary);display:block;}
.stat-label{font-size:14px;color:var(--text-light);}
.progress{height:10px;background:var(--bg-alt);border-radius:999px;overflow:hidden;margin-top:8px;}
.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:10px 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:56px;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--primary),var(--primary-dark));}
.bar-label{font-size:12px;color:var(--text-light);margin-top:8px;}

/* 其他组件 */
.badge{display:inline-block;font-size:12px;font-weight:600;color:var(--primary);background:var(--primary-light);padding:4px 12px;border-radius:999px;}
.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 14px 34px rgba(40,30,90,.14);}
.partner-logo{height:64px;display:flex;align-items:center;justify-content:center;border:1px dashed var(--border);border-radius:10px;color:var(--text-light);font-size:14px;background:#fff;}
.step-list{display:flex;flex-direction:column;gap:18px;}
.step-item{display:flex;gap:16px;align-items:flex-start;}
.step-number{flex:0 0 40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;}

/* 页脚 */
.footer{background:#171530;color:#c9c6e0;padding:64px 0 0;}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px 48px;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;}
.footer-col{}
.footer-title{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-link{display:block;color:#a9a5c9;font-size:14px;margin-bottom:10px;transition:color .2s;}
.footer-link:hover{color:#fff;}
.footer-info{font-size:14px;color:#a9a5c9;line-height:2;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px;text-align:center;font-size:13px;color:#8f8bb0;}

/* 响应式 */
@media (max-width:1200px){
  .container{padding:0 24px;}
  .hero-title{font-size:40px;}
}
@media (max-width:992px){
  .section{padding:64px 0;}
  .section-title{font-size:28px;}
  .hero{padding:130px 0 72px;}
  .hero-title{font-size:34px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .nav-list{position:fixed;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(40,30,90,.1);padding:8px 20px 18px;display:none;}
  .nav-list.open{display:flex;}
  .nav-link{display:block;padding:12px 0;border-bottom:1px solid var(--border);font-size:15px;}
  .nav-toggle{display:block;}
  .nav-cta .btn{padding:9px 18px;font-size:13px;}
  .hero-title{font-size:28px;}
  .hero-subtitle{font-size:16px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:14px;}
  .footer-inner{grid-template-columns:1fr;}
}
@media (max-width:480px){
  .hero{padding:110px 0 56px;}
  .hero-title{font-size:24px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .card{padding:22px;}
  .section-title{font-size:24px;}
  .hero-stat-num{font-size:22px;}
}