:root{--primary:#e8542f;--primary-dark:#c23d1c;--primary-light:#ffe9e2;--accent:#f5a623;--text:#24272c;--text-light:#6b7280;--bg:#ffffff;--bg-alt:#fdf7f4;--border:#ececec;--shadow:0 6px 20px rgba(36,39,44,.08);--radius:14px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{list-style:none;padding:0}
a{text-decoration:none;color:inherit}
img,svg{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}
.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;line-height:1.3;letter-spacing:.5px;color:var(--text)}
.section-title::after{content:"";display:block;width:52px;height:4px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--accent));margin:16px auto 0}
.section-subtitle{margin-top:16px;color:var(--text-light);font-size:16px}
.grid{display:grid;gap:28px}
.grid-2{display:grid;gap:28px;grid-template-columns:repeat(2,1fr)}
.grid-3{display:grid;gap:28px;grid-template-columns:repeat(3,1fr)}
.grid-4{display:grid;gap:24px;grid-template-columns:repeat(4,1fr)}
.flex{display:flex;gap:20px;flex-wrap:wrap}
.flex-between{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.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(36,39,44,.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:22px;font-weight:700;margin-bottom:18px}
.card-title{font-size:19px;margin-bottom:10px;color:var(--text)}
.card-text{color:var(--text-light);font-size:15px}
.card-body{margin-top:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 30px;border-radius:999px;font-size:16px;font-weight:600;border:2px solid transparent;transition:background .25s,color .25s,border-color .25s,transform .25s}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.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:100;background:rgba(255,255,255,.96);border-bottom:1px solid var(--border);transition:box-shadow .3s}
.nav.scrolled{box-shadow:0 4px 18px rgba(36,39,44,.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{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--primary);white-space:nowrap}
.nav-logo span{display:inline-flex;width:34px;height:34px;border-radius:9px;background:var(--primary);color:#fff;align-items:center;justify-content:center;font-size:17px}
.nav-list{display:flex;align-items:center;gap:28px}
.nav-link{font-size:15px;color:var(--text);position:relative;padding:4px 0;transition:color .25s}
.nav-link::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--primary);transition:width .25s}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{width:100%}
.nav-toggle{display:none;background:none;border:0;padding:8px;color:var(--text)}
.nav-toggle::before{content:"\2261";font-size:26px;line-height:1}
.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)}
.hero{padding:150px 0 90px;background:radial-gradient(circle at 20% 20%,var(--primary-light),transparent 55%),linear-gradient(160deg,#fff 0%,var(--bg-alt) 100%)}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center}
.hero-title{font-size:46px;line-height:1.25;letter-spacing:1px;color:var(--text)}
.hero-title strong{color:var(--primary)}
.hero-subtitle{max-width:700px;margin:22px auto 0;color:var(--text-light);font-size:18px}
.hero-actions{display:flex;justify-content:center;gap:18px;margin-top:36px;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:60px}
.hero-stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px 14px;box-shadow:var(--shadow)}
.hero-stat-num{font-size:30px;font-weight:800;color:var(--primary)}
.hero-stat-label{margin-top:6px;font-size:14px;color:var(--text-light)}
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:var(--border)}
.timeline-item{position:relative;padding-bottom:32px}
.timeline-dot{position:absolute;left:-34px;top:6px;width:20px;height:20px;border-radius:50%;background:#fff;border:4px solid var(--primary)}
.timeline-content{padding-left:4px}
.timeline-date{font-size:13px;color:var(--primary);font-weight:700;letter-spacing:.5px}
.timeline-title{font-size:17px;margin:4px 0 6px}
.timeline-text{color:var(--text-light);font-size:15px}
.news-list{display:grid;gap:20px}
.news-item{border:1px solid var(--border);border-radius:var(--radius);padding:22px;background:#fff;box-shadow:var(--shadow)}
.news-title{font-size:17px;margin-bottom:8px}
.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{display:inline-block;padding:2px 10px;border-radius:999px;background:var(--primary-light);color:var(--primary);font-size:12px;font-weight:600}
.news-summary{color:var(--text-light);font-size:15px}
.news-body{color:var(--text-light);font-size:15px;margin-top:8px}
.news-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.tag{display:inline-block;padding:3px 12px;border-radius:999px;font-size:12px;background:var(--bg-alt);color:var(--text-light);border:1px solid var(--border)}
.faq-list{display:grid;gap:16px;max-width:860px;margin:0 auto}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);background:#fff;padding:22px 24px;box-shadow:var(--shadow)}
.faq-question{font-size:17px;font-weight:700;color:var(--text);display:flex;gap:10px}
.faq-question::before{content:"Q";color:var(--primary)}
.faq-answer{margin-top:10px;color:var(--text-light);font-size:15px;display:flex;gap:10px}
.faq-answer::before{content:"A";color:var(--accent);font-weight:700}
.form-group{margin-bottom:18px}
.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:10px;font-size:15px;color:var(--text);background:#fff;outline:none;transition:border-color .25s,box-shadow .25s}
.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}
.form-textarea{min-height:120px;resize:vertical}
.form-submit{display:inline-flex;align-items:center;justify-content:center;padding:13px 34px;border-radius:999px;border:0;background:var(--primary);color:#fff;font-size:16px;font-weight:600;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 12px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.stat-number{font-size:30px;font-weight:800;color:var(--primary)}
.stat-label{margin-top:6px;font-size:14px;color:var(--text-light)}
.progress{height:10px;border-radius:999px;background:var(--primary-light);overflow:hidden;margin-top:10px}
.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;padding:20px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:8px}
.bar-fill{width:100%;max-width:46px;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--primary),var(--accent))}
.bar-label{font-size:12px;color:var(--text-light)}
.badge{display:inline-block;padding:3px 12px;border-radius:999px;font-size:12px;font-weight:600;background:var(--primary);color:#fff}
.customer-card,.case-card,.honor-card,.review-card,.benefit-card,.region-card,.support-card{border:1px solid var(--border);border-radius:var(--radius);padding:24px;background:#fff;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 12px 30px rgba(36,39,44,.12)}
.partner-logo{display:flex;align-items:center;justify-content:center;height:80px;border:1px dashed var(--border);border-radius:var(--radius);color:var(--text-light);font-size:14px;background:#fff}
.step-list{display:grid;gap:22px}
.step-item{display:flex;gap:18px;align-items:flex-start}
.step-number{flex:0 0 42px;width:42px;height:42px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.footer{background:#1f2329;color:#c9ced6;padding:60px 0 0}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:36px}
.footer-col{min-width:0}
.footer-title{color:#fff;font-size:16px;margin-bottom:18px}
.footer-link{display:block;color:#c9ced6;font-size:14px;padding:5px 0;transition:color .25s}
.footer-link:hover{color:var(--accent)}
.footer-info{font-size:14px;color:#a9b0ba;line-height:2}
.footer-bottom{max-width:1200px;margin:44px auto 0;padding:20px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#8f96a1;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
@media (max-width:1199px){
.hero-title{font-size:40px}
.hero-stats{grid-template-columns:repeat(2,1fr)}
.footer-inner{grid-template-columns:1fr 1fr}
}
@media (max-width:991px){
.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
.hero{padding:130px 0 70px}
.hero-title{font-size:36px}
.nav-list{gap:20px}
}
@media (max-width:768px){
.section{padding:60px 0}
.section-title{font-size:26px}
.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
.nav-toggle{display:block}
.nav-list{position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;gap:0;padding:8px 20px 18px;border-bottom:1px solid var(--border);box-shadow:var(--shadow);display:none}
.nav-list.open{display:flex}
.nav-link{width:100%;padding:12px 0;border-bottom:1px solid var(--border)}
.nav-cta{display:none}
.hero-title{font-size:30px}
.hero-subtitle{font-size:16px}
.bar-chart{height:170px;gap:10px}
.footer-inner{grid-template-columns:1fr}
}
@media (max-width:480px){
.container{padding:0 16px}
.hero{padding:110px 0 56px}
.hero-title{font-size:25px}
.hero-actions{flex-direction:column;align-items:stretch}
.hero-actions .btn{width:100%}
.hero-stats{grid-template-columns:1fr;margin-top:40px}
.card{padding:22px}
.btn{padding:12px 22px;font-size:15px}
.section-header{margin-bottom:34px}
}