:root{
--primary:#2f9e6b;
--primary-dark:#1e6f4a;
--primary-light:#e4f5ec;
--accent:#ff8a3d;
--text:#1f2a24;
--text-light:#5f6f67;
--bg:#ffffff;
--bg-alt:#f4f8f5;
--border:#e2ebe5;
--shadow:0 6px 20px rgba(31,42,36,.08);
--radius:14px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);line-height:1.7;font-size:16px;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
h1,h2,h3,h4{line-height:1.3;font-weight:700;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}
.flex{display:flex;align-items:center;gap:16px;}
.flex-between{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.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;margin-bottom:14px;}
.section-subtitle{color:var(--text-light);font-size:16px;}
.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);}
.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(31,42,36,.13);}
.card-icon{width:52px;height:52px;border-radius:12px;background:var(--primary-light);color:var(--primary-dark);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;margin-bottom:16px;}
.card-title{font-size:19px;margin-bottom:10px;}
.card-text{color:var(--text-light);font-size:15px;}
.card-body{margin-top:12px;}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 28px;border-radius:999px;font-size:16px;font-weight:600;cursor:pointer;border:2px solid transparent;transition:background .25s,color .25s,border-color .25s,transform .25s;}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);}
.btn-outline{border-color:var(--primary);color:var(--primary-dark);background:transparent;}
.btn-outline:hover{background:var(--primary-light);}
.btn-sm{padding:8px 18px;font-size:14px;}
.badge{display:inline-block;padding:3px 12px;border-radius:999px;background:var(--primary-light);color:var(--primary-dark);font-size:13px;font-weight:600;}
.tag{display:inline-block;padding:4px 12px;border-radius:8px;background:var(--bg-alt);color:var(--text-light);font-size:13px;margin:0 8px 8px 0;}
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);transition:box-shadow .3s;}
.nav.scrolled{box-shadow:0 4px 18px rgba(31,42,36,.1);}
.nav-inner{max-width:1200px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.nav-logo{font-size:21px;font-weight:800;color:var(--primary-dark);display:flex;align-items:center;gap:8px;}
.nav-logo::before{content:"蛙";width:34px;height:34px;border-radius:10px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;}
.nav-list{display:flex;align-items:center;gap:26px;}
.nav-link{font-size:15px;color:var(--text);font-weight:500;padding:6px 0;border-bottom:2px solid transparent;transition:color .2s,border-color .2s;}
.nav-link:hover{color:var(--primary-dark);border-color:var(--primary);}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--border);border-radius:10px;background:#fff;font-size:20px;color:var(--text);cursor:pointer;}
.nav-cta{display:flex;align-items:center;gap:12px;}
.hero{position:relative;padding:150px 0 90px;background:linear-gradient(160deg,#eaf7f0 0%,#f7fbf8 60%,#ffffff 100%);overflow:hidden;}
.hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;text-align:center;}
.hero-title{font-size:46px;letter-spacing:.5px;margin-bottom:20px;color:var(--text);}
.hero-title span{color:var(--primary-dark);}
.hero-subtitle{font-size:18px;color:var(--text-light);max-width:760px;margin:0 auto 34px;}
.hero-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:52px;}
.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:27px;font-weight:800;color:var(--primary-dark);}
.hero-stat-label{font-size:14px;color:var(--text-light);margin-top:4px;}
.timeline{position:relative;padding-left:28px;border-left:2px solid var(--border);}
.timeline-item{position:relative;padding-bottom:30px;}
.timeline-dot{position:absolute;left:-37px;top:5px;width:14px;height:14px;border-radius:50%;background:var(--primary);border:3px solid #fff;box-shadow:0 0 0 2px var(--primary);}
.timeline-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);}
.timeline-date{font-size:13px;color:var(--accent);font-weight:600;margin-bottom:6px;}
.timeline-title{font-size:17px;margin-bottom:6px;}
.timeline-text{font-size:15px;color:var(--text-light);}
.news-list{display:grid;gap:18px;}
.news-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.news-title{font-size:18px;margin-bottom:8px;}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:10px;}
.news-date{font-size:13px;color:var(--text-light);}
.news-category{font-size:12px;padding:3px 10px;border-radius:999px;background:var(--primary-light);color:var(--primary-dark);}
.news-summary{font-size:15px;color:var(--text-light);}
.news-body{margin-top:12px;font-size:15px;color:var(--text);}
.news-tags{margin-top:14px;}
.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 24px;box-shadow:var(--shadow);}
.faq-question{font-size:17px;font-weight:700;margin-bottom:10px;color:var(--primary-dark);}
.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 14px;border:1px solid var(--border);border-radius:10px;font-size:15px;font-family:inherit;background:#fff;color:var(--text);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{margin-top:6px;}
.form-tip{font-size:13px;color:var(--text-light);margin-top:12px;}
.stat-item{text-align:center;padding:22px 14px;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-dark);}
.stat-label{font-size:14px;color:var(--text-light);margin-top:6px;}
.progress{height:12px;border-radius:999px;background:var(--bg-alt);overflow:hidden;border:1px solid var(--border);}
.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-dark));border-radius:999px;}
.bar-chart{display:flex;align-items:flex-end;gap:22px;height:220px;padding:16px 8px;}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;}
.bar-fill{width:100%;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;text-align:center;}
.customer-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);text-align:center;}
.case-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;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);color:var(--text-light);font-size:14px;background:#fff;}
.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:24px;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;box-shadow:var(--shadow);}
.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:800;}
.region-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);}
.support-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.footer{background:#14221b;color:#c7d4cc;padding:64px 0 0;margin-top:0;}
.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{}
.footer-title{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-link{display:block;color:#a9bcb1;font-size:14px;margin-bottom:10px;transition:color .2s;}
.footer-link:hover{color:#fff;}
.footer-info{font-size:14px;color:#a9bcb1;line-height:1.9;}
.footer-bottom{max-width:1200px;margin:44px auto 0;padding:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:#8fa89a;}
@media (max-width:1200px){
.hero-title{font-size:42px;}
.hero-stats{grid-template-columns:repeat(4,1fr);}
}
@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);}
}
@media (max-width:768px){
.nav-list{position:absolute;top:100%;left:0;right:0;flex-direction:column;background:#fff;border-bottom:1px solid var(--border);padding:16px 20px;gap:14px;display:none;box-shadow:0 10px 20px rgba(31,42,36,.08);}
.nav-list.open{display:flex;}
.nav-toggle{display:block;}
.nav-cta{display:none;}
.hero{padding:130px 0 70px;}
.hero-title{font-size:33px;}
.hero-subtitle{font-size:16px;}
.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
.section{padding:60px 0;}
.section-title{font-size:26px;}
.bar-chart{gap:12px;}
}
@media (max-width:480px){
.hero-title{font-size:27px;}
.hero-stats{grid-template-columns:1fr;}
.btn{width:100%;}
.hero-actions{flex-direction:column;}
.footer-inner{grid-template-columns:1fr;}
.card{padding:22px;}
}