:root{
  --primary:#1d2a44;
  --primary-dark:#121b2d;
  --primary-light:#3a4d73;
  --accent:#c8963e;
  --text:#22262e;
  --text-light:#6b7280;
  --bg:#ffffff;
  --bg-alt:#f5f6f8;
  --border:#e3e6ec;
  --shadow:0 6px 22px rgba(18,27,45,.08);
  --radius:12px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,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{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family: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;color:var(--primary);position:relative;padding-bottom:16px;}
.section-title::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:56px;height:4px;border-radius:2px;background:var(--accent);}
.section-subtitle{margin-top:18px;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;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 32px rgba(18,27,45,.14);}
.card-icon{width:52px;height:52px;border-radius:12px;background:rgba(200,150,62,.12);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;margin-bottom:18px;}
.card-title{font-size:19px;font-weight:700;color:var(--primary);margin-bottom:10px;}
.card-text{color:var(--text-light);font-size:15px;line-height:1.8;}
.card-body{padding-top:6px;}
.btn{display:inline-block;padding:13px 28px;border-radius:999px;font-size:15px;font-weight:600;border:2px solid transparent;transition:all .25s;text-align:center;}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent);}
.btn-primary:hover{background:#b3832f;border-color:#b3832f;transform:translateY(-2px);}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.btn-sm{padding:8px 18px;font-size:13px;}
.nav{position:fixed;top:0;left:0;width:100%;z-index:999;background:rgba(29,42,68,.92);backdrop-filter:blur(8px);transition:box-shadow .3s,background .3s;}
.nav.scrolled{box-shadow:0 4px 18px rgba(0,0,0,.22);background:var(--primary-dark);}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 20px;height:68px;display:flex;align-items:center;justify-content:space-between;}
.nav-logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:20px;font-weight:700;letter-spacing:1px;}
.nav-logo::before{content:"▣";color:var(--accent);font-size:22px;}
.nav-list{display:flex;align-items:center;gap:30px;}
.nav-link{color:rgba(255,255,255,.86);font-size:15px;transition:color .2s;position:relative;}
.nav-link:hover{color:var(--accent);}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:24px;line-height:1;padding:6px;}
.nav-cta{display:inline-block;padding:9px 20px;border-radius:999px;background:var(--accent);color:#fff;font-size:14px;font-weight:600;transition:background .2s;}
.nav-cta:hover{background:#b3832f;}
.hero{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 55%,var(--primary-light) 100%);color:#fff;padding:150px 0 90px;position:relative;overflow:hidden;}
.hero::before{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(200,150,62,.28),transparent 70%);}
.hero::after{content:"";position:absolute;left:-80px;bottom:-140px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.08),transparent 70%);}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:2;}
.hero-title{font-size:46px;line-height:1.25;font-weight:800;letter-spacing:1px;max-width:820px;}
.hero-title span{color:var(--accent);}
.hero-subtitle{margin-top:22px;font-size:18px;color:rgba(255,255,255,.82);max-width:680px;line-height:1.9;}
.hero-actions{margin-top:36px;display:flex;flex-wrap:wrap;gap:16px;}
.hero-stats{margin-top:60px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;border-top:1px solid rgba(255,255,255,.16);padding-top:36px;}
.hero-stat{text-align:left;}
.hero-stat-num{font-size:30px;font-weight:800;color:var(--accent);letter-spacing:.5px;}
.hero-stat-label{font-size:14px;color:rgba(255,255,255,.72);margin-top:6px;}
.timeline{position:relative;padding-left:28px;}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--border);}
.timeline-item{position:relative;padding-bottom:28px;}
.timeline-dot{position:absolute;left:-28px;top:6px;width:16px;height:16px;border-radius:50%;background:var(--accent);border:3px solid #fff;box-shadow:0 0 0 2px var(--accent);}
.timeline-content{padding-left:6px;}
.timeline-date{font-size:13px;color:var(--accent);font-weight:600;letter-spacing:.5px;}
.timeline-title{font-size:17px;font-weight:700;color:var(--primary);margin:4px 0 6px;}
.timeline-text{font-size:14px;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;transition:box-shadow .3s,transform .3s;}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.news-title{font-size:18px;font-weight:700;color:var(--primary);margin-bottom:10px;}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:10px;font-size:13px;color:var(--text-light);}
.news-date{color:var(--text-light);}
.news-category{background:rgba(200,150,62,.12);color:#a1751f;padding:3px 10px;border-radius:999px;font-size:12px;}
.news-summary{font-size:14px;color:var(--text-light);line-height:1.8;}
.news-body{font-size:14px;color:var(--text-light);line-height:1.9;}
.news-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{background:var(--bg-alt);border:1px solid var(--border);color:var(--text-light);font-size:13px;padding:5px 14px;border-radius:999px;}
.faq-list{display:grid;gap:16px;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 26px;box-shadow:var(--shadow);}
.faq-question{font-size:16px;font-weight:700;color:var(--primary);margin-bottom:10px;}
.faq-answer{font-size:14px;color:var(--text-light);line-height:1.9;}
.form-group{margin-bottom:20px;}
.form-label{display:block;font-size:14px;font-weight:600;color:var(--primary);margin-bottom:8px;}
.form-input,.form-select,.form-textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:8px;font-size:15px;color:var(--text);background:#fff;transition:border-color .2s,box-shadow .2s;}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(200,150,62,.15);}
.form-textarea{min-height:120px;resize:vertical;}
.form-submit{display:inline-block;padding:13px 34px;border:none;border-radius:999px;background:var(--accent);color:#fff;font-size:15px;font-weight:600;transition:background .25s;}
.form-submit:hover{background:#b3832f;}
.form-tip{font-size:13px;color:var(--text-light);margin-top:10px;}
.stat-item{text-align:center;padding:20px 10px;}
.stat-number{font-size:34px;font-weight:800;color:var(--accent);}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.progress{width:100%;height:10px;background:var(--bg-alt);border-radius:999px;overflow:hidden;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),#e0b268);border-radius:999px;}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;padding-top:10px;}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;}
.bar-fill{width:100%;background:linear-gradient(180deg,var(--primary-light),var(--accent));border-radius:8px 8px 0 0;transition:height .4s;}
.bar-label{font-size:13px;color:var(--text-light);margin-top:10px;}
.badge{display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;background:rgba(29,42,68,.08);color:var(--primary);}
.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(18,27,45,.14);}
.partner-logo{display:flex;align-items:center;justify-content:center;height:78px;border:1px dashed var(--border);border-radius:10px;color:var(--text-light);font-size:14px;background:#fff;}
.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 40px;width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;}
.footer{background:var(--primary-dark);color:rgba(255,255,255,.78);padding:64px 0 0;}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px 48px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-col{font-size:14px;line-height:1.9;}
.footer-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:16px;}
.footer-link{display:block;color:rgba(255,255,255,.7);margin-bottom:10px;transition:color .2s;}
.footer-link:hover{color:var(--accent);}
.footer-info{font-size:14px;line-height:2;color:rgba(255,255,255,.7);}
.footer-info a{color:rgba(255,255,255,.82);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 20px;text-align:center;font-size:13px;color:rgba(255,255,255,.55);}
.footer-bottom a{color:rgba(255,255,255,.7);}
@media (max-width:1199px){
  .hero-title{font-size:40px;}
  .footer-inner{grid-template-columns:1.2fr 1fr 1fr;gap:30px;}
}
@media (max-width:991px){
  .hero{padding:130px 0 70px;}
  .hero-title{font-size:34px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:24px;}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
  .section{padding:64px 0;}
  .nav-list{position:fixed;top:68px;left:0;width:100%;background:var(--primary-dark);flex-direction:column;align-items:flex-start;gap:0;padding:0;max-height:0;overflow:hidden;transition:max-height .3s ease;}
  .nav-list.open{max-height:420px;padding:12px 0;}
  .nav-link{display:block;width:100%;padding:13px 24px;font-size:15px;}
  .nav-toggle{display:block;}
  .nav-cta{display:none;}
  .footer-inner{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .section{padding:52px 0;}
  .section-title{font-size:26px;}
  .hero{padding:120px 0 60px;}
  .hero-title{font-size:29px;}
  .hero-subtitle{font-size:16px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .card{padding:22px;}
  .bar-chart{gap:10px;}
  .footer-inner{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:479px){
  .container,.hero-inner,.nav-inner,.footer-inner{padding:0 16px;}
  .hero-title{font-size:25px;}
  .hero-actions{flex-direction:column;align-items:flex-start;}
  .hero-actions .btn{width:100%;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .hero-stat-num{font-size:24px;}
  .section-title{font-size:23px;}
}