:root{
--primary:#4caf50;
--primary-dark:#2e7d32;
--primary-light:#a5d6a7;
--accent:#ffb300;
--text:#1f2328;
--text-light:#5a6472;
--bg:#ffffff;
--bg-alt:#f5f8f5;
--border:#e3e8e3;
--shadow:0 6px 20px rgba(30,60,40,.08);
--radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:"PingFang SC","Microsoft YaHei",-apple-system,"Helvetica Neue",Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.7;-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:780px;margin:0 auto 48px;}
.section-title{font-size:32px;line-height:1.3;color:var(--text);font-weight:800;letter-spacing:.5px;}
.section-subtitle{font-size:16px;color:var(--text-light);margin-top:14px;}
.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;}
.card{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:transform .3s, box-shadow .3s;border:1px solid var(--border);}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(30,60,40,.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;font-size:24px;color:#fff;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:12px;}
.btn{display:inline-block;padding:13px 30px;border-radius:999px;font-size:16px;font-weight:600;cursor:pointer;border:2px solid transparent;transition:all .3s;}
.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-dark);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;width:100%;z-index:100;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid transparent;transition:box-shadow .3s, border-color .3s;}
.nav.scrolled{box-shadow:0 4px 18px rgba(30,60,40,.1);border-color:var(--border);}
.nav-inner{max-width:1200px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;}
.nav-logo{font-size:22px;font-weight:800;color:var(--primary-dark);letter-spacing:.5px;}
.nav-logo span{color:var(--accent);}
.nav-list{display:flex;align-items:center;gap:30px;}
.nav-link{font-size:15px;color:var(--text);font-weight:500;position:relative;padding:4px 0;transition:color .3s;}
.nav-link:hover{color:var(--primary-dark);}
.nav-cta{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;}
.nav-toggle span{width:24px;height:2px;background:var(--text);border-radius:2px;}
.hero{padding:150px 0 90px;background:linear-gradient(160deg,#f2fbf2 0%,#ffffff 60%);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:1.25;font-weight:800;color:var(--text);letter-spacing:1px;}
.hero-title em{font-style:normal;color:var(--primary-dark);}
.hero-subtitle{font-size:18px;color:var(--text-light);max-width:720px;margin:22px auto 0;}
.hero-actions{display:flex;gap:18px;justify-content:center;margin-top:36px;flex-wrap:wrap;}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:64px;}
.hero-stat{text-align:center;padding:20px 10px;}
.hero-stat-num{font-size:32px;font-weight:800;color:var(--primary-dark);}
.hero-stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.timeline{position:relative;padding-left:32px;border-left:2px solid var(--border);}
.timeline-item{position:relative;padding-bottom:32px;}
.timeline-dot{position:absolute;left:-41px;top:4px;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{padding-left:4px;}
.timeline-date{font-size:13px;color:var(--primary-dark);font-weight:600;}
.timeline-title{font-size:18px;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);}
.news-title{font-size:19px;font-weight:700;margin-bottom:8px;}
.news-meta{display:flex;gap:14px;align-items:center;font-size:13px;color:var(--text-light);margin-bottom:12px;}
.news-date{color:var(--text-light);}
.news-category{background:var(--primary-light);color:var(--primary-dark);padding:2px 12px;border-radius:999px;font-size:12px;font-weight:600;}
.news-summary{font-size:15px;color:var(--text-light);}
.news-body{margin-top:12px;font-size:15px;color:var(--text-light);}
.news-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}
.tag{display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;background:var(--bg-alt);color:var(--text-light);border:1px solid var(--border);}
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:16px;}
.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;color:var(--text);}
.faq-answer{font-size:15px;color:var(--text-light);margin-top:10px;}
.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;background:#fff;color:var(--text);}
.form-textarea{min-height:130px;resize:vertical;}
.form-submit{margin-top:8px;}
.form-tip{font-size:13px;color:var(--text-light);margin-top:10px;}
.stat-item{text-align:center;padding:18px;}
.stat-number{font-size:34px;font-weight:800;color:var(--primary-dark);}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.progress{width:100%;height:10px;background:var(--bg-alt);border-radius:999px;overflow:hidden;}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary-light),var(--primary));border-radius:999px;}
.bar-chart{display:flex;align-items:flex-end;gap:18px;height:220px;margin-top:20px;}
.bar-item{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;}
.bar-fill{width:100%;background:linear-gradient(180deg,var(--primary),var(--primary-light));border-radius:8px 8px 0 0;transition:height .6s;}
.bar-label{font-size:13px;color:var(--text-light);margin-top:10px;}
.badge{display:inline-block;padding:5px 14px;border-radius:999px;font-size:12px;font-weight:600;background:var(--primary-light);color:var(--primary-dark);}
.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;}
.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;height:90px;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:20px;align-items:flex-start;}
.step-number{flex:none;width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:18px;}
.footer{background:#16241a;color:#c8d6cd;padding:60px 0 24px;}
.footer-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-col{font-size:14px;}
.footer-title{font-size:16px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-link{display:block;color:#c8d6cd;line-height:2.1;transition:color .3s;}
.footer-link:hover{color:var(--primary-light);}
.footer-info{line-height:2.1;font-size:14px;}
.footer-bottom{max-width:1200px;margin:40px auto 0;padding:20px 20px 0;border-top:1px solid rgba(255,255,255,.12);text-align:center;font-size:13px;color:#9bb0a2;}
@media (max-width:1200px){
.hero-title{font-size:42px;}
}
@media (max-width:992px){
.grid-3{grid-template-columns:repeat(2,1fr);}
.grid-4{grid-template-columns:repeat(2,1fr);}
.hero-stats{grid-template-columns:repeat(2,1fr);}
.footer-inner{grid-template-columns:1fr 1fr;}
.nav-list{gap:20px;}
}
@media (max-width:768px){
.nav-list{display:none;}
.nav-toggle{display:flex;}
.nav-list.active{display:flex;flex-direction:column;position:absolute;top:100%;left:0;width:100%;background:#fff;padding:20px;box-shadow:var(--shadow);gap:16px;}
.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
.hero-title{font-size:32px;}
.hero-subtitle{font-size:16px;}
.section{padding:56px 0;}
.section-title{font-size:26px;}
.footer-inner{grid-template-columns:1fr;}
}
@media (max-width:480px){
.hero-title{font-size:26px;}
.hero-actions{flex-direction:column;align-items:center;}
.btn{width:100%;text-align:center;}
.hero-stats{grid-template-columns:1fr;}
}