:root{
--primary:#1f5eff;
--primary-dark:#123fbb;
--primary-light:#e7eeff;
--accent:#ff6b2c;
--text:#1a1d24;
--text-light:#5b6474;
--bg:#ffffff;
--bg-alt:#f5f7fb;
--border:#e5e9f0;
--shadow:0 4px 18px rgba(20,35,70,.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;}
.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 52px;}
.section-title{font-size:32px;font-weight:700;letter-spacing:.5px;margin-bottom:14px;color:var(--text);}
.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{font-size:16px;color:var(--text-light);}
.grid{display:grid;gap:24px;}
.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;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 30px rgba(20,35,70,.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:24px;font-weight:700;margin-bottom:18px;}
.card-title{font-size:19px;font-weight:700;margin-bottom:10px;}
.card-text{font-size:15px;color:var(--text-light);}
.card-body{margin-top:8px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 30px;border-radius:999px;font-size:15px;font-weight:600;cursor:pointer;border:2px solid transparent;transition:all .25s;white-space:nowrap;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(31,94,255,.28);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);}
.btn-outline{background:transparent;border-color:#cfd8e8;color:var(--text);}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);}
.btn-sm{padding:8px 18px;font-size:13px;}
.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 6px 20px rgba(20,35,70,.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);letter-spacing:1px;display:flex;align-items:center;gap:8px;}
.nav-logo span{color:var(--accent);}
.nav-list{display:flex;align-items:center;gap:30px;}
.nav-link{font-size:15px;color:var(--text);position:relative;padding:6px 0;transition:color .25s;}
.nav-link:hover{color:var(--primary);}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--primary);transition:width .25s;}
.nav-link:hover::after{width:100%;}
.nav-toggle{display:none;background:none;border:none;font-size:24px;color:var(--text);cursor:pointer;}
.nav-cta{display:inline-flex;}
.hero{padding:150px 0 90px;background:linear-gradient(160deg,#eef3ff 0%,#ffffff 60%);position:relative;overflow:hidden;}
.hero::before{content:"";position:absolute;top:-120px;right:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(31,94,255,.16),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;margin-bottom:22px;}
.hero-title em{font-style:normal;color:var(--primary);}
.hero-subtitle{font-size:18px;color:var(--text-light);max-width:640px;margin-bottom:34px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:56px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:900px;}
.hero-stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 18px;text-align:center;box-shadow:var(--shadow);}
.hero-stat-num{font-size:30px;font-weight:800;color:var(--primary);line-height:1.2;}
.hero-stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.timeline{position:relative;padding-left:32px;}
.timeline::before{content:"";position:absolute;left:8px;top:0;bottom:0;width:2px;background:var(--border);}
.timeline-item{position:relative;padding-bottom:32px;}
.timeline-dot{position:absolute;left:-32px;top:4px;width:16px;height:16px;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:20px 24px;box-shadow:var(--shadow);}
.timeline-date{font-size:13px;color:var(--primary);font-weight:600;}
.timeline-title{font-size:17px;font-weight:700;margin:6px 0 8px;}
.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 28px;box-shadow:var(--shadow);transition:transform .3s;}
.news-item:hover{transform:translateY(-4px);}
.news-title{font-size:18px;font-weight:700;margin-bottom:10px;}
.news-meta{display:flex;align-items:center;gap:14px;margin-bottom:12px;font-size:13px;}
.news-date{color:var(--text-light);}
.news-category{background:var(--primary-light);color:var(--primary);padding:3px 12px;border-radius:999px;font-weight:600;}
.news-summary{font-size:15px;color:var(--text-light);}
.news-body{font-size:15px;color:var(--text-light);margin-top:12px;}
.news-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px;}
.tag{background:var(--bg-alt);color:var(--text-light);font-size:13px;padding:4px 12px;border-radius:999px;border:1px solid var(--border);}
.faq-list{display:grid;gap:16px;max-width:900px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px 28px;box-shadow:var(--shadow);}
.faq-question{font-size:17px;font-weight:700;margin-bottom:10px;color:var(--text);}
.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 16px;border:1px solid var(--border);border-radius:10px;font-size:15px;font-family:inherit;color:var(--text);background:#fff;transition:border-color .25s,box-shadow .25s;}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,94,255,.12);}
.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:700;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 16px;}
.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;background:var(--bg-alt);border-radius:999px;overflow:hidden;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:999px;}
.bar-chart{display:flex;align-items:flex-end;gap:20px;height:240px;padding:20px 0;}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;height:100%;justify-content:flex-end;}
.bar-fill{width:100%;max-width:56px;background:linear-gradient(180deg,var(--primary),var(--primary-dark));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;background:var(--accent);color:#fff;font-size:12px;font-weight:700;padding:3px 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: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);}
.partner-logo{height:80px;border-radius:10px;border:1px dashed #cfd8e8;background:var(--bg-alt);display:flex;align-items:center;justify-content:center;color:var(--text-light);font-size:14px;letter-spacing:2px;}
.step-list{display:grid;gap:22px;}
.step-item{display:flex;gap:20px;align-items:flex-start;}
.step-number{flex:0 0 46px;width:46px;height:46px;border-radius:12px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;}
.footer{background:#101623;color:#aab3c4;padding:64px 0 26px;}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;margin-bottom:44px;}
.footer-col h4,.footer-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px;}
.footer-link{display:block;font-size:14px;color:#aab3c4;margin-bottom:10px;transition:color .25s;}
.footer-link:hover{color:#fff;}
.footer-info{font-size:14px;line-height:2;color:#aab3c4;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;text-align:center;font-size:13px;color:#7c869a;}
@media(max-width:1200px){
.section{padding:68px 0;}
.hero-title{font-size:40px;}
.footer-inner{grid-template-columns:2fr 1fr 1fr;gap:32px;}
}
@media(max-width:992px){
.grid-4{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(2,1fr);}
.hero-stats{grid-template-columns:repeat(2,1fr);}
.hero-title{font-size:36px;}
.footer-inner{grid-template-columns:1fr 1fr;}
}
@media(max-width:768px){
.nav-list{position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;gap:0;padding:0 20px;max-height:0;overflow:hidden;transition:max-height .35s;box-shadow:0 12px 24px rgba(20,35,70,.1);}
.nav-list.open{max-height:340px;padding:12px 20px 22px;}
.nav-list li{width:100%;}
.nav-link{display:block;padding:12px 0;border-bottom:1px solid var(--border);}
.nav-toggle{display:block;}
.nav-cta{display:none;}
.hero{padding:120px 0 70px;}
.hero-title{font-size:31px;}
.hero-subtitle{font-size:16px;}
.hero-actions .btn{flex:1;}
.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
.section{padding:56px 0;}
.section-title{font-size:26px;}
.bar-chart{height:200px;gap:12px;}
.footer-inner{grid-template-columns:1fr;gap:28px;}
}
@media(max-width:480px){
.container{padding:0 16px;}
.hero-title{font-size:26px;}
.hero-stat-num{font-size:24px;}
.hero-stats{grid-template-columns:1fr 1fr;gap:12px;}
.card{padding:22px;}
.btn{width:100%;}
.hero-actions{flex-direction:column;}
}