:root{
--primary:#e8543f;
--primary-dark:#c33d2b;
--primary-light:#fde9e5;
--accent:#2f6fb5;
--text:#22262b;
--text-light:#6a727d;
--bg:#ffffff;
--bg-alt:#f6f7f9;
--border:#e3e6ea;
--shadow:0 4px 16px rgba(34,38,43,.08);
--radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
color:var(--text);
background:var(--bg);
line-height:1.7;
font-size:16px;
-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
ul,ol{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;letter-spacing:.5px;margin-bottom:14px;}
.section-subtitle{color:var(--text-light);font-size:16px;}
.grid{display:grid;gap:24px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));}
.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;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 10px 26px rgba(34,38,43,.12);}
.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;margin-bottom:10px;}
.card-text{color:var(--text-light);font-size:15px;}
.card-body{margin-top:6px;}
.btn{display:inline-block;padding:13px 28px;border-radius:999px;font-size:16px;font-weight:600;border:2px solid transparent;cursor:pointer;transition:all .25s;text-align:center;}
.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);border-bottom:1px solid var(--border);transition:box-shadow .3s;}
.nav.scrolled{box-shadow:0 4px 18px rgba(34,38,43,.1);}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 20px;height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.nav-logo{font-size:21px;font-weight:800;color:var(--primary);letter-spacing:.5px;display:flex;align-items:center;gap:9px;}
.nav-logo::before{content:"";width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--primary),var(--accent));display:inline-block;}
.nav-list{display:flex;align-items:center;gap:30px;}
.nav-link{font-size:15px;color:var(--text);position:relative;padding:6px 0;transition:color .2s;}
.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-cta{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:10px;background:#fff;cursor:pointer;font-size:20px;line-height:1;color:var(--text);}
.hero{padding:140px 0 80px;background:linear-gradient(160deg,#fff 0%,var(--primary-light) 100%);}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{font-size:46px;letter-spacing:1px;margin-bottom:20px;}
.hero-title span{color:var(--primary);}
.hero-subtitle{font-size:18px;color:var(--text-light);max-width:720px;margin:0 auto 34px;}
.hero-actions{display:flex;justify-content:center;gap:16px;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: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:760px;margin:0 auto;padding-left:28px;border-left:2px solid var(--border);}
.timeline-item{position:relative;padding:0 0 32px 24px;}
.timeline-dot{position:absolute;left:-35px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--primary);border:3px solid #fff;box-shadow:0 0 0 2px var(--primary-light);}
.timeline-date{font-size:13px;color:var(--primary);font-weight:700;}
.timeline-title{font-size:18px;margin:6px 0;}
.timeline-text{color:var(--text-light);font-size:15px;}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:18px 22px;box-shadow:var(--shadow);}
.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);}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:8px;font-size:13px;}
.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-title{font-size:19px;margin-bottom:8px;}
.news-summary{color:var(--text-light);font-size:15px;}
.news-body{margin-top:10px;font-size:15px;color:var(--text);}
.news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{display:inline-block;font-size:13px;padding:3px 12px;border-radius:999px;background:var(--bg-alt);color:var(--text-light);border:1px solid var(--border);}
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:860px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow);}
.faq-question{font-size:17px;font-weight:700;margin-bottom:8px;}
.faq-answer{color:var(--text-light);font-size:15px;}
.form-group{margin-bottom:20px;}
.form-label{display:block;font-size:15px;font-weight:600;margin-bottom:8px;}
.form-input,.form-select,.form-textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:10px;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{display:inline-block;padding:13px 34px;border:none;border-radius:999px;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:32px;font-weight:800;color:var(--primary);}
.stat-label{font-size:14px;color:var(--text-light);margin-top:4px;}
.progress{height:10px;background:var(--border);border-radius:999px;overflow:hidden;margin-top:8px;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:999px;}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:200px;padding-top:10px;}
.bar-item{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;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:13px;color:var(--text-light);margin-top:8px;}
.badge{display:inline-block;font-size:12px;font-weight:700;padding:3px 10px;border-radius:6px;background:var(--primary);color:#fff;}
.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 10px 26px rgba(34,38,43,.12);}
.partner-logo{height:74px;border:1px dashed var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;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 38px;height:38px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;}
.footer{background:#1e2228;color:#c9cfd6;padding:64px 0 0;}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.footer-col{font-size:14px;}
.footer-title{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-link{display:block;color:#a8b0b9;font-size:14px;margin-bottom:10px;transition:color .2s;}
.footer-link:hover{color:var(--primary);}
.footer-info{font-size:14px;line-height:2;color:#a8b0b9;}
.footer-bottom{border-top:1px solid #31363d;padding:20px;text-align:center;font-size:13px;color:#8a929c;}
@media (max-width:1200px){
.container,.nav-inner,.hero-inner{padding:0 18px;}
}
@media (max-width:992px){
.grid-4{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(2,1fr);}
.hero-title{font-size:38px;}
.hero-stats{grid-template-columns:repeat(2,1fr);}
.footer-inner{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
.section{padding:56px 0;}
.section-title{font-size:26px;}
.nav-list{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:10px 20px 20px;border-bottom:1px solid var(--border);box-shadow:0 8px 20px rgba(34,38,43,.08);}
.nav-list.active{display:flex;}
.nav-link{display:block;padding:12px 0;width:100%;border-bottom:1px solid var(--border);}
.nav-toggle{display:block;}
.nav-cta .btn{padding:9px 18px;font-size:14px;}
.hero{padding:118px 0 60px;}
.hero-title{font-size:32px;}
.hero-subtitle{font-size:16px;}
.grid-2,.grid-3{grid-template-columns:1fr;}
.footer-inner{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:480px){
.hero-title{font-size:26px;}
.hero-stats{grid-template-columns:1fr 1fr;gap:12px;}
.hero-stat-num{font-size:24px;}
.hero-actions{flex-direction:column;align-items:stretch;}
.hero-actions .btn{width:100%;}
.section{padding:44px 0;}
.card{padding:22px;}
}