:root{
  --green-dark:#2d5016;--green-main:#4a7c2e;--green-light:#6b9e4a;--green-pale:#e8f5e0;
  --cream:#faf8f3;--text:#333;--text-light:#666;--white:#fff;--brown:#8b6914;--radius:8px;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--text);background:var(--cream);line-height:1.85;}
a{color:var(--green-main);text-decoration:none;transition:color .2s;}
a:hover{color:var(--green-dark);text-decoration:underline;}
img{max-width:100%;}
.container{max-width:1100px;margin:0 auto;padding:0 20px;}

/* header */
.site-header{position:sticky;top:0;z-index:100;background:var(--white);box-shadow:0 2px 12px rgba(0,0,0,.08);}
.site-header .nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:12px;}
.logo{font-size:1.3rem;font-weight:700;color:var(--green-dark);display:flex;align-items:center;gap:8px;white-space:nowrap;}
.logo .dot{width:34px;height:34px;background:linear-gradient(135deg,var(--green-main),var(--green-light));border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.1rem;}
.nav-links{display:flex;gap:2px;flex-wrap:wrap;justify-content:flex-end;}
.nav-links a{padding:8px 12px;border-radius:var(--radius);font-size:.9rem;color:var(--text-light);}
.nav-links a:hover,.nav-links a.active{color:var(--green-main);background:var(--green-pale);text-decoration:none;}

/* hero */
.hero{background:linear-gradient(135deg,var(--green-dark),var(--green-main) 55%,var(--green-light));color:#fff;padding:72px 0 56px;text-align:center;}
.hero h1{font-size:2.4rem;margin-bottom:14px;}
.hero p{font-size:1.1rem;opacity:.92;max-width:760px;margin:0 auto;}
.hero .slogan{font-style:italic;font-size:1.25rem;margin-bottom:10px;}
.hero-badges{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:20px;}
.hero-badges span{background:rgba(255,255,255,.18);padding:6px 16px;border-radius:30px;font-size:.9rem;}

/* sections */
.section{padding:60px 0;}
.section-alt{background:var(--white);}
.section-title{text-align:center;margin-bottom:36px;}
.section-title h2{font-size:2rem;color:var(--green-dark);margin-bottom:10px;}
.section-title p{color:var(--text-light);}
.section-title .line{width:60px;height:3px;background:var(--green-main);margin:14px auto 0;border-radius:2px;}

/* prose */
.prose{max-width:880px;margin:0 auto;}
.prose h2{font-size:1.6rem;color:var(--green-dark);margin:34px 0 14px;padding-bottom:8px;border-bottom:2px solid var(--green-pale);}
.prose h3{font-size:1.2rem;color:var(--green-main);margin:22px 0 10px;}
.prose p{margin-bottom:14px;color:var(--text-light);}
.prose ul,.prose ol{margin:0 0 16px 22px;}
.prose li{margin-bottom:8px;color:var(--text);}
.prose strong{color:var(--green-dark);}
dl{display:grid;grid-template-columns:210px 1fr;gap:8px 16px;margin:12px 0;}
dt{font-weight:600;color:var(--green-dark);}
dd{color:var(--text);}
table{width:100%;border-collapse:collapse;margin:14px 0;}
th,td{border:1px solid #e0e0e0;padding:10px 12px;text-align:left;}
th{background:var(--green-pale);color:var(--green-dark);}
tbody tr:nth-child(even){background:#fafafa;}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px;margin-top:24px;}
.card{background:var(--white);border-radius:var(--radius);padding:24px;box-shadow:0 2px 12px rgba(0,0,0,.06);border-top:3px solid var(--green-main);}
.card h3{color:var(--green-dark);margin-bottom:8px;font-size:1.15rem;}
.card p{color:var(--text-light);font-size:.95rem;margin:0;}
.callout{background:var(--green-pale);border-left:4px solid var(--green-main);padding:14px 18px;border-radius:0 var(--radius) var(--radius) 0;margin:16px 0;color:var(--green-dark);}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:20px;text-align:center;margin-top:24px;}
.stats .num{font-size:2.2rem;font-weight:700;color:var(--green-main);}
.stats .lbl{color:var(--text-light);font-size:.95rem;}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;}
.info-item{display:flex;gap:14px;margin-bottom:20px;}
.info-item .ic{width:44px;height:44px;background:var(--green-pale);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0;}
.info-item h4{font-size:1rem;color:var(--green-dark);margin-bottom:2px;}
.info-item p{color:var(--text-light);font-size:.95rem;}
form .fg{margin-bottom:16px;}
form label{display:block;margin-bottom:6px;font-weight:500;}
form input,form textarea,form select{width:100%;padding:11px 14px;border:1px solid #ddd;border-radius:var(--radius);font-size:1rem;font-family:inherit;background:#fff;}
form input:focus,form textarea:focus{border-color:var(--green-main);outline:none;box-shadow:0 0 0 3px rgba(74,124,46,.1);}
.btn{display:inline-block;padding:13px 30px;background:var(--green-main);color:#fff;border:none;border-radius:var(--radius);font-size:1rem;cursor:pointer;font-family:inherit;}
.btn:hover{background:var(--green-dark);text-decoration:none;color:#fff;}

/* footer */
.site-footer{background:var(--green-dark);color:rgba(255,255,255,.8);padding:48px 0 26px;margin-top:40px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;}
.site-footer h4{color:#fff;font-size:1.05rem;margin-bottom:14px;}
.site-footer ul{list-style:none;padding:0;}
.site-footer li{line-height:2;font-size:.9rem;}
.site-footer a{color:rgba(255,255,255,.8);}
.site-footer a:hover{color:var(--green-light);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:28px;padding-top:18px;text-align:center;font-size:.85rem;}

@media(max-width:768px){
  .footer-grid{grid-template-columns:1fr 1fr;}
  .hero h1{font-size:1.7rem;}
  .contact-grid{grid-template-columns:1fr;}
  dl{grid-template-columns:1fr;}
  .nav-links a{padding:6px 8px;font-size:.82rem;}
}
@media(max-width:480px){
  .footer-grid{grid-template-columns:1fr;}
  .nav-links{display:none;}
}