:root{--primary:#1a4fd6;--primary-dark:#1237a0;--primary-light:#e8eefc;--accent:#f5a623;--text:#1c2333;--text-light:#5c6579;--bg:#ffffff;--bg-alt:#f6f8fc;--border:#e2e7f0;--shadow:0 4px 18px rgba(26,79,214,.08);--radius:12px;}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:"PingFang SC","Microsoft YaHei",-apple-system,"Helvetica Neue",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;}
.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(--text);margin-bottom:14px;}
.section-title::after{content:"";display:block;width:52px;height:4px;border-radius:2px;background:var(--primary);margin:16px auto 0;}
.section-subtitle{font-size:16px;color:var(--text-light);}
.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;}
.flex{display:flex;align-items:center;}
.flex-between{display:flex;align-items:center;justify-content:space-between;}
.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 12px 28px rgba(26,79,214,.14);}
.card-icon{width:52px;height:52px;border-radius:12px;background:var(--primary-light);color:var(--primary);font-size:24px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-bottom:18px;}
.card-title{font-size:19px;font-weight:700;margin-bottom:10px;color:var(--text);}
.card-text{font-size:15px;color:var(--text-light);}
.card-body{margin-top:6px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:var(--radius);font-size:16px;font-weight:600;border:2px solid transparent;cursor:pointer;transition:background .25s,color .25s,border-color .25s,transform .25s;}
.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: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(26,79,214,.12);}
.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:21px;font-weight:800;color:var(--primary);letter-spacing:1px;display:flex;align-items:center;gap:8px;}
.nav-logo span{display:inline-block;width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--primary),var(--accent));}
.nav-list{display:flex;align-items:center;gap:28px;}
.nav-link{font-size:15px;font-weight:500;color:var(--text);padding:6px 0;position:relative;transition:color .2s;}
.nav-link:hover{color:var(--primary);}
.nav-cta{margin-left:8px;}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:38px;height:38px;justify-content:center;align-items:center;background:none;border:1px solid var(--border);border-radius:8px;cursor:pointer;}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--text);border-radius:1px;}
.hero{padding:150px 0 90px;background:linear-gradient(160deg,#f6f8fc 0%,#eaf0fc 55%,#f9fbfd 100%);}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;}
.hero-title{font-size:44px;line-height:1.3;font-weight:800;letter-spacing:.5px;color:var(--text);max-width:820px;}
.hero-title strong{color:var(--primary);}
.hero-subtitle{font-size:18px;color:var(--text-light);margin-top:20px;max-width:660px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:34px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:56px;background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);}
.hero-stat{text-align:center;border-right:1px solid var(--border);}
.hero-stat:last-child{border-right:none;}
.hero-stat-num{font-size:28px;font-weight:800;color:var(--primary);}
.hero-stat-label{font-size:14px;color:var(--text-light);margin-top:4px;}
.timeline{position:relative;padding-left:26px;border-left:2px solid var(--border);}
.timeline-item{position:relative;padding-bottom:28px;}
.timeline-dot{position:absolute;left:-34px;top:5px;width:14px;height:14px;border-radius:50%;background:var(--primary);border:3px solid var(--primary-light);}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;}
.timeline-date{font-size:13px;color:var(--primary);font-weight:600;}
.timeline-title{font-size:17px;font-weight:700;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:transform .3s,box-shadow .3s;}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.news-title{font-size:18px;font-weight:700;margin-bottom:10px;}
.news-title a:hover{color:var(--primary);}
.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);padding:2px 10px;border-radius:20px;font-size:12px;font-weight:600;}
.news-summary{font-size:14px;color:var(--text-light);}
.news-body{margin-top:10px;font-size:14px;color:var(--text-light);}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{display:inline-block;padding:3px 12px;border-radius:20px;background:var(--bg-alt);border:1px solid var(--border);font-size:12px;color:var(--text-light);}
.faq-list{display:grid;gap:16px;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;}
.faq-question{font-size:17px;font-weight:700;color:var(--text);margin-bottom:10px;}
.faq-answer{font-size:15px;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 14px;border:1px solid var(--border);border-radius:var(--radius);font-size:15px;font-family:inherit;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(--primary);box-shadow:0 0 0 3px var(--primary-light);}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{width:100%;padding:14px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius);font-size:16px;font-weight:700;cursor:pointer;transition:background .25s;}
.form-submit:hover{background:var(--primary-dark);}
.form-tip{font-size:12px;color:var(--text-light);margin-top:10px;}
.stat-item{text-align:center;padding:22px 16px;}
.stat-number{font-size:30px;font-weight:800;color:var(--primary);}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.progress{height:10px;border-radius:6px;background:var(--border);overflow:hidden;margin-top:10px;}
.progress-fill{height:100%;border-radius:6px;background:linear-gradient(90deg,var(--primary),var(--accent));}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;padding:16px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;}
.bar-fill{width:100%;max-width:46px;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;}
.badge{display:inline-block;padding:4px 12px;border-radius:20px;background:var(--accent);color:#fff;font-size:12px;font-weight:700;}
.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);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);}
.partner-logo{display:flex;align-items:center;justify-content:center;text-align:center;min-height:96px;color:var(--text-light);font-size:14px;letter-spacing:1px;background:var(--bg-alt);box-shadow:none;}
.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 24px;}
.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;}
.footer{background:#101828;color:#c3cad9;padding:64px 0 26px;}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;max-width:1200px;margin:0 auto;padding:0 20px;}
.footer-col{min-width:0;}
.footer-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-link{display:block;font-size:14px;color:#c3cad9;margin-bottom:9px;transition:color .2s;}
.footer-link:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding:20px 20px 0;max-width:1200px;margin-left:auto;margin-right:auto;font-size:13px;color:#8d97a8;}
.footer-info{font-size:14px;line-height:2;color:#c3cad9;}
@media(max-width:1200px){.hero-title{font-size:38px;}.section-title{font-size:28px;}}
@media(max-width:992px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}.hero-stats{grid-template-columns:repeat(2,1fr);row-gap:26px;}.hero-stat:nth-child(2){border-right:none;}.footer-inner{grid-template-columns:1fr 1fr;}}
@media(max-width:768px){.nav-list{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--border);box-shadow:var(--shadow);padding:8px 0;}
.nav-list.open{display:flex;}
.nav-list li{width:100%;}
.nav-link{display:block;padding:13px 24px;}
.nav-toggle{display:flex;}
.nav-cta{display:none;}
.hero{padding:120px 0 70px;}
.hero-title{font-size:30px;}
.hero-subtitle{font-size:16px;}
.section{padding:60px 0;}
.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
.bar-chart{height:180px;gap:10px;}
}
@media(max-width:480px){.container{padding:0 16px;}.hero-title{font-size:25px;}.hero-actions .btn{width:100%;}.hero-stats{grid-template-columns:1fr;padding:22px 18px;}.hero-stat{border-right:none;border-bottom:1px solid var(--border);padding-bottom:16px;}.hero-stat:last-child{border-bottom:none;padding-bottom:0;}.section-title{font-size:23px;}.footer-inner{grid-template-columns:1fr;}}