:root{--brand:#0b5c4a;--brand2:#12a37c;--ink:#16241f;--muted:#5b6b64;--bg:#f6faf8;--line:#dfeae5}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','Microsoft YaHei',sans-serif;color:var(--ink);background:#fff;line-height:1.75}
a{color:var(--brand);text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 18px}
header{background:linear-gradient(135deg,#0b5c4a,#12a37c);color:#fff;padding:14px 0}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.logo{font-weight:800;font-size:20px;letter-spacing:.5px}
.logo small{display:block;font-weight:400;font-size:12px;opacity:.85}
nav a{color:#eafff7;margin-left:16px;font-size:15px}
nav a:hover{text-decoration:underline}
.hero{background:linear-gradient(135deg,#0b5c4a,#12a37c);color:#fff;padding:56px 0 48px}
.hero h1{margin:0 0 12px;font-size:32px;line-height:1.35}
.hero p{margin:0 0 22px;font-size:17px;opacity:.94}
.btn{display:inline-block;background:#fff;color:var(--brand);font-weight:700;padding:12px 22px;border-radius:8px;margin-right:10px}
.btn.ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.7)}
section{padding:44px 0;border-bottom:1px solid var(--line)}
h2{font-size:24px;margin:0 0 18px}
h3{font-size:18px;margin:22px 0 8px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.card{border:1px solid var(--line);border-radius:10px;padding:18px;background:var(--bg)}
.card h4{margin:0 0 8px;font-size:17px;color:var(--brand)}
.card p{margin:0;color:var(--muted);font-size:14.5px}
ul.clean{list-style:none;padding:0;margin:0}
ul.clean li{padding:8px 0 8px 26px;position:relative;border-bottom:1px dashed var(--line)}
ul.clean li:before{content:'✓';position:absolute;left:0;color:var(--brand2);font-weight:700}
.stats{display:flex;flex-wrap:wrap;gap:14px}
.stat{flex:1 1 160px;border:1px solid var(--line);border-radius:10px;padding:16px;text-align:center;background:#fff}
.stat b{display:block;font-size:26px;color:var(--brand)}
.stat span{color:var(--muted);font-size:13.5px}
footer{background:#0c1f1a;color:#bcd3cb;padding:28px 0;font-size:14px}
footer a{color:#9fe6cd}
.contact-box{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:18px}
.article{font-size:16.5px}
.article h2{font-size:21px;margin-top:28px}
.article p{margin:12px 0}
.crumb{font-size:13.5px;color:var(--muted);padding:14px 0}
table{width:100%;border-collapse:collapse;font-size:15px}
th,td{border:1px solid var(--line);padding:10px 12px;text-align:left}
th{background:var(--bg);color:var(--brand)}
@media(max-width:640px){.hero h1{font-size:24px}nav a{margin-left:10px;font-size:14px}}
/* 图片与视觉升级 */
.hero{position:relative;background:#0a3a30 url('assets/img/hero.jpg') center/cover no-repeat;padding:0}
.hero .wrap{padding:74px 18px 66px}
.hero .mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,28,24,.82),rgba(6,28,24,.35))}
.hero .wrap{position:relative;z-index:2}
.prodgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.prod{display:block;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;color:inherit}
.prod img{width:100%;height:150px;object-fit:cover;display:block}
.prod .pd{padding:12px 14px 16px}
.prod h4{margin:0 0 6px;font-size:16px;color:var(--brand)}
.prod p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.6}
.prod:hover{box-shadow:0 8px 22px rgba(11,92,74,.14);transform:translateY(-2px);transition:.2s}
.band{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.pill{background:#eaf6f1;border:1px solid var(--line);color:var(--brand);border-radius:999px;padding:7px 14px;font-size:14px}
.split{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.split .box{border:1px solid var(--line);border-radius:12px;padding:18px;background:var(--bg)}
.split .box h4{margin:0 0 8px;color:var(--brand)}
.stat b{font-size:24px}