:root{
  --primary:#ff6b6b;
  --primary-dark:#e04e4e;
  --primary-light:#ffe3e3;
  --accent:#4ecdc4;
  --text:#2b2b33;
  --text-light:#6b6b78;
  --bg:#ffffff;
  --bg-alt:#fdf7f5;
  --border:#ececec;
  --shadow:0 6px 24px rgba(43,43,51,.08);
  --radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box;}
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;}
h1,h2,h3,h4{line-height:1.35;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;color:var(--text);position:relative;display:inline-block;padding-bottom:14px;}
.section-title::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:56px;height:4px;border-radius:2px;background:var(--primary);}
.section-subtitle{margin-top:18px;color:var(--text-light);font-size:16px;}
.grid{display:grid;gap:26px;}
.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;align-items:center;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 34px rgba(43,43,51,.12);}
.card-icon{width:54px;height:54px;border-radius:14px;background:var(--primary-light);color:var(--primary-dark);display:flex;align-items:center;justify-content:center;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 30px;border-radius:999px;font-size:16px;font-weight:600;cursor:pointer;border:2px solid transparent;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{border-color:var(--primary);color:var(--primary);background:transparent;}
.btn-outline:hover{background:var(--primary);color:#fff;}
.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);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);transition:box-shadow .3s;}
.nav.scrolled{box-shadow:0 4px 20px rgba(43,43,51,.1);}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 20px;height:68px;display:flex;align-items:center;justify-content:space-between;}
.nav-logo{font-size:22px;font-weight:800;color:var(--primary);display:flex;align-items:center;gap:8px;letter-spacing:1px;}
.nav-logo span{color:var(--accent);}
.nav-list{display:flex;align-items:center;gap:30px;}
.nav-link{font-size:15px;font-weight:500;color:var(--text);position:relative;padding:6px 0;transition:color .2s;}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--primary);transition:width .3s;}
.nav-link:hover{color:var(--primary);}
.nav-link:hover::after{width:100%;}
.nav-cta{display:inline-flex;align-items:center;padding:9px 22px;border-radius:999px;background:var(--primary);color:#fff;font-size:14px;font-weight:600;transition:background .25s;}
.nav-cta:hover{background:var(--primary-dark);}
.nav-toggle{display:none;width:42px;height:42px;border:none;background:transparent;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;align-items:center;}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--text);border-radius:2px;transition:all .3s;}
.hero{padding:150px 0 90px;background:linear-gradient(150deg,#fff5f3 0%,#f6fdfc 60%,#ffffff 100%);position:relative;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:22px;}
.hero-title em{font-style:normal;color:var(--primary);}
.hero-subtitle{max-width:720px;margin:0 auto 38px;font-size:18px;color:var(--text-light);}
.hero-actions{display:flex;justify-content:center;gap:18px;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-radius:var(--radius);padding:22px 14px;box-shadow:var(--shadow);}
.hero-stat-num{font-size:30px;font-weight:800;color:var(--primary);}
.hero-stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:30px;}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:var(--primary-light);}
.timeline-item{position:relative;padding-bottom:34px;}
.timeline-dot{position:absolute;left:-30px;top:6px;width:18px;height:18px;border-radius:50%;background:#fff;border:4px solid var(--primary);}
.timeline-content{background:#fff;border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);}
.timeline-date{font-size:13px;color:var(--primary-dark);font-weight:600;}
.timeline-title{font-size:18px;margin:6px 0 8px;}
.timeline-text{color:var(--text-light);font-size:15px;}
.news-list{display:flex;flex-direction:column;gap:22px;}
.news-item{background:#fff;border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);border:1px solid var(--border);}
.news-title{font-size:19px;margin-bottom:10px;}
.news-meta{display:flex;align-items:center;gap:14px;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:2px 12px;border-radius:999px;font-weight:600;font-size:12px;}
.news-summary{color:var(--text-light);font-size:15px;}
.news-body{color:var(--text-light);font-size:15px;margin-top:12px;}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{font-size:12px;padding:3px 12px;border-radius:999px;background:var(--bg-alt);color:var(--text-light);border:1px solid var(--border);}
.faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:16px;}
.faq-item{background:#fff;border-radius:var(--radius);border:1px solid var(--border);padding:22px 26px;box-shadow:var(--shadow);}
.faq-question{font-size:17px;font-weight:700;margin-bottom:10px;color:var(--text);}
.faq-answer{color:var(--text-light);font-size:15px;}
.form-group{margin-bottom:22px;}
.form-label{display:block;font-weight:600;margin-bottom:8px;font-size:15px;}
.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;outline:none;transition:border-color .2s;}
.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--primary);}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{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;}
.form-submit:hover{background:var(--primary-dark);}
.form-tip{font-size:13px;color:var(--text-light);margin-top:10px;}
.stat-item{text-align:center;}
.stat-number{font-size:34px;font-weight:800;color:var(--primary);}
.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: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:200px;margin-top:20px;}
.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-light),var(--primary));}
.bar-label{font-size:13px;color:var(--text-light);margin-top:10px;}
.badge{display:inline-block;padding:4px 14px;border-radius:999px;background:var(--primary-light);color:var(--primary-dark);font-size:13px;font-weight:600;}
.customer-card,.case-card,.honor-card,.partner-logo,.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);}
.customer-card h3,.case-card h3,.honor-card h3,.review-card h3,.benefit-card h3,.region-card h3,.support-card h3{font-size:17px;margin-bottom:8px;}
.customer-card p,.case-card p,.honor-card p,.review-card p,.benefit-card p,.region-card p,.support-card p{color:var(--text-light);font-size:14px;}
.partner-logo{display:flex;align-items:center;justify-content:center;min-height:96px;color:var(--text-light);font-size:14px;border-style:dashed;}
.review-card{border-left:4px solid var(--primary);}
.step-list{display:grid;gap:22px;}
.step-item{display:flex;gap:20px;align-items:flex-start;background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.step-number{flex-shrink:0;width:48px;height:48px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;}
.footer{background:#232329;color:#c9c9d2;padding:60px 0 0;}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;max-width:1200px;margin:0 auto;padding:0 20px 44px;}
.footer-col{font-size:14px;}
.footer-title{color:#fff;font-size:16px;margin-bottom:18px;}
.footer-link{display:block;color:#c9c9d2;margin-bottom:10px;font-size:14px;transition:color .2s;}
.footer-link:hover{color:var(--primary);}
.footer-info{color:#a8a8b3;font-size:13px;line-height:2;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);text-align:center;padding:20px;font-size:13px;color:#8d8d99;max-width:1200px;margin:0 auto;}
@media (max-width:1199px){
  .section{padding:70px 0;}
  .hero-title{font-size:40px;}
}
@media (max-width:991px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .nav-list{position:fixed;top:68px;left:0;right:0;flex-direction:column;background:#fff;padding:20px;gap:18px;box-shadow:0 12px 24px rgba(43,43,51,.12);display:none;}
  .nav-list.open{display:flex;}
  .nav-toggle{display:flex;}
  .nav-cta{display:none;}
  .nav-inner{height:60px;}
  .hero{padding:120px 0 70px;}
  .hero-title{font-size:32px;}
  .hero-subtitle{font-size:16px;}
  .section-title{font-size:26px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr;}
}
@media (max-width:480px){
  .hero-title{font-size:27px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .hero-stat-num{font-size:24px;}
  .section{padding:56px 0;}
  .card{padding:22px;}
}