:root{
--primary:#ef6c1f;
--primary-dark:#c9540f;
--primary-light:#ffb27a;
--accent:#1f9fef;
--text:#222831;
--text-light:#6b7280;
--bg:#ffffff;
--bg-alt:#f7f5f2;
--border:#e6e2dd;
--shadow:0 6px 20px rgba(34,40,49,.08);
--radius:14px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei",-apple-system,"Helvetica Neue",Arial,sans-serif;font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
a{text-decoration:none;color:inherit;}
img{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:1.35;font-weight:700;color:var(--text);letter-spacing:.5px;}
.section-subtitle{margin-top:14px;font-size:16px;color:var(--text-light);}
.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 12px 28px rgba(34,40,49,.14);}
.card-icon{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,var(--primary-light),var(--primary));display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px;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:14px;}
.btn{display:inline-block;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;text-align:center;}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(239,108,31,.28);}
.btn-primary:hover{background:var(--primary-dark);}
.btn-outline{background:transparent;color:var(--primary);border-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:1000;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s,background .3s;}
.nav.scrolled{box-shadow:0 4px 18px rgba(34,40,49,.1);border-color:var(--border);}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 20px;height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--text);letter-spacing:.5px;}
.nav-logo span{display:inline-block;width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-size:17px;line-height:32px;text-align:center;font-weight:800;}
.nav-list{display:flex;align-items:center;gap:26px;}
.nav-link{font-size:15px;color:var(--text-light);font-weight:500;transition:color .25s;position:relative;}
.nav-link:hover{color:var(--primary);}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--text);font-size:20px;line-height:1;}
.nav-cta{padding:10px 22px;font-size:14px;}
.hero{padding:150px 0 90px;background:linear-gradient(160deg,#fff7f1 0%,#ffffff 55%,#f2f8ff 100%);position:relative;overflow:hidden;}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{font-size:46px;line-height:1.28;font-weight:800;letter-spacing:1px;}
.hero-title em{font-style:normal;color:var(--primary);}
.hero-subtitle{max-width:720px;margin:22px auto 0;font-size:18px;color:var(--text-light);}
.hero-actions{margin-top:36px;display:flex;justify-content:center;gap:16px;flex-wrap:wrap;}
.hero-stats{margin-top:60px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:900px;margin-left:auto;margin-right:auto;}
.hero-stat{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 14px;box-shadow:var(--shadow);}
.hero-stat-num{font-size:28px;font-weight:800;color:var(--primary);line-height:1.2;}
.hero-stat-label{margin-top:6px;font-size:14px;color:var(--text-light);}
.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(--primary);border:3px solid #fff;box-shadow:0 0 0 2px var(--primary-light);}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;}
.timeline-date{font-size:13px;color:var(--primary);font-weight:700;}
.timeline-title{font-size:17px;font-weight:700;margin:6px 0;}
.timeline-text{font-size:15px;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;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;}
.news-item:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(34,40,49,.14);}
.news-title{font-size:18px;font-weight:700;margin-bottom:8px;}
.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:rgba(239,108,31,.12);color:var(--primary-dark);border-radius:999px;padding:2px 12px;font-weight:600;}
.news-summary{font-size:15px;color:var(--text-light);}
.news-body{margin-top:12px;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;color:var(--text-light);background:var(--bg-alt);border:1px solid var(--border);border-radius:999px;padding:3px 12px;}
.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:22px 26px;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:15px;font-weight:600;margin-bottom:8px;}
.form-input,.form-select,.form-textarea{width:100%;padding:12px 16px;font-size:15px;color:var(--text);background:#fff;border:1px solid var(--border);border-radius:10px;transition:border-color .25s,box-shadow .25s;font-family:inherit;}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(239,108,31,.16);}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{padding:13px 36px;border:none;border-radius:999px;background:var(--primary);color:#fff;font-size:16px;font-weight:600;box-shadow:0 8px 20px rgba(239,108,31,.28);transition:background .25s,transform .25s;}
.form-submit:hover{background:var(--primary-dark);transform:translateY(-2px);}
.form-tip{margin-top:12px;font-size:13px;color:var(--text-light);}
.stat-item{text-align:center;padding:20px 12px;}
.stat-number{font-size:32px;font-weight:800;color:var(--primary);line-height:1.2;}
.stat-label{margin-top:8px;font-size:14px;color:var(--text-light);}
.progress{height:10px;border-radius:999px;background:var(--bg-alt);overflow:hidden;border:1px solid var(--border);}
.progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--primary-light));}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;padding:0 4px;}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:8px;}
.bar-fill{width:100%;border-radius:8px 8px 0 0;background:linear-gradient(180deg,var(--primary-light),var(--primary));}
.bar-label{font-size:13px;color:var(--text-light);}
.badge{display:inline-block;font-size:12px;font-weight:700;color:#fff;background:var(--accent);border-radius:999px;padding:2px 12px;}
.customer-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);text-align:center;transition:transform .3s,box-shadow .3s;}
.customer-card:hover{transform:translateY(-4px);}
.case-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.honor-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);text-align:center;}
.partner-logo{display:flex;align-items:center;justify-content:center;height:80px;border:1px dashed var(--border);border-radius:var(--radius);background:var(--bg-alt);color:var(--text-light);font-size:14px;}
.review-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.benefit-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.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;box-shadow:var(--shadow);}
.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;font-size:17px;}
.region-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.support-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.footer{background:#1c2129;color:#c3c8d0;padding:64px 0 0;}
.footer-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;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:#9aa1ab;margin-bottom:10px;transition:color .25s;}
.footer-link:hover{color:var(--primary-light);}
.footer-info{font-size:14px;color:#9aa1ab;line-height:1.9;}
.footer-bottom{max-width:1200px;margin:48px auto 0;padding:20px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#7f8792;text-align:center;line-height:1.9;}
@media (min-width:1200px){
.hero-title{font-size:50px;}
}
@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);}
.footer-inner{grid-template-columns:repeat(2,1fr);}
.hero-title{font-size:38px;}
}
@media (max-width:768px){
.nav-list{position:absolute;top:72px;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 .3s ease;border-bottom:1px solid var(--border);}
.nav-list.open{max-height:420px;padding:12px 20px 20px;}
.nav-list li{width:100%;}
.nav-link{display:block;padding:12px 0;border-bottom:1px solid var(--bg-alt);}
.nav-toggle{display:block;}
.nav-cta{display:none;}
.hero{padding:120px 0 70px;}
.hero-title{font-size:30px;}
.hero-subtitle{font-size:16px;}
.hero-stats{grid-template-columns:repeat(2,1fr);margin-top:44px;}
.section{padding:60px 0;}
.section-title{font-size:26px;}
.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
.card{padding:22px;}
}
@media (max-width:480px){
.hero-title{font-size:25px;}
.hero-stat-num{font-size:22px;}
.hero-actions .btn{width:100%;}
.footer-inner{grid-template-columns:1fr;}
.bar-chart{height:170px;gap:10px;}
}