:root{font-family:"Microsoft YaHei",Arial,sans-serif;color:#1d2925;background:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0}.wrap{width:min(1120px,calc(100% - 40px));margin:auto}.header{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 max(20px,calc((100% - 1120px)/2));border-bottom:1px solid #e6ece8;background:#fff;position:sticky;top:0;z-index:3}.brand{display:flex;align-items:center;gap:10px;color:#173b2d;text-decoration:none;font-size:19px}.brand span{display:grid;place-items:center;width:30px;height:30px;background:#187653;color:#fff;font-size:16px}.header nav{display:flex;gap:26px}.header nav a{color:#52615b;text-decoration:none;font-size:14px}.header nav a:hover{color:#187653}.hero{background:#143b2d;color:#fff;padding:86px 0}.hero-grid,.app-grid{display:grid;grid-template-columns:1.4fr .7fr;gap:68px;align-items:end}.eyebrow{margin:0 0 10px;color:#319b72;font-size:13px;font-weight:700}.hero .eyebrow{color:#9ee1bf}.hero h1{font-size:46px;line-height:1.2;margin:0 0 20px;letter-spacing:0}.lead{max-width:620px;line-height:1.8;color:#d4e3dc}.button{display:inline-block;margin-top:15px;padding:12px 18px;background:#3eaa7c;color:#fff;text-decoration:none}.service-note{margin:0;padding:24px;background:#215641;border:1px solid #4b806b}.service-note dt{font-size:13px;color:#9ed9bc;margin:0 0 5px}.service-note dd{margin:0 0 19px;line-height:1.6;font-size:14px}.service-note dd:last-child{margin-bottom:0}.section{padding:76px 0}.section h2,.contact h2{margin:0 0 27px;color:#173b2d;font-size:29px}.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.service-grid article{border:1px solid #e1e9e4;background:#fff}.service-grid img{width:100%;height:155px;object-fit:cover}.service-grid h3{font-size:17px;margin:15px 15px 8px}.service-grid p{margin:0 15px 18px;color:#66756e;font-size:14px;line-height:1.65}.app-section{padding:70px 0;background:#eef5f1}.app-grid{align-items:start}.app-grid h2{font-size:32px;margin:0 0 15px}.app-grid p{line-height:1.8;color:#52615b}.app-grid li{margin:11px 0;color:#33443c}.app-grid aside{padding:28px;background:#fff;border:1px solid #d9e6de}.app-grid aside p{margin:0 0 6px;color:#77857e;font-size:13px}.app-grid aside strong{display:block;margin-bottom:24px;color:#173b2d;font-size:23px}.app-grid code{display:block;margin-bottom:24px;color:#187653}.muted{font-size:13px}.about-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:55px}.about-grid p{margin:0;color:#52615b;line-height:1.9}.about-grid dl{margin:0;border-left:3px solid #41a778;padding-left:22px}.about-grid dt{color:#718078;font-size:13px;margin-top:13px}.about-grid dt:first-child{margin-top:0}.about-grid dd{margin:6px 0 0;color:#26372f;line-height:1.6}.legal{border-top:1px solid #e7eee9}.legal details{padding:17px 0;border-bottom:1px solid #e1e9e4}.legal summary{cursor:pointer;color:#1d4b39;font-weight:700}.legal details p{color:#52615b;line-height:1.8;font-size:14px}.contact{padding:66px 0;background:#173b2d;color:#e0eee6}.contact h2{color:#fff;margin-bottom:16px}.contact p:not(.eyebrow){line-height:1.8;margin:8px 0;color:#d5e4dc}footer{background:#102b20;color:#cad9d1;font-size:13px}.footer-content{min-height:74px;display:flex;align-items:center;gap:24px;flex-wrap:wrap}.footer-content a{color:#b7e2ca;text-decoration:none}@media(max-width:760px){.header{height:auto;min-height:64px;padding:12px 20px;flex-wrap:wrap}.header nav{width:100%;order:2;gap:17px;padding:3px 0}.hero{padding:62px 0}.hero-grid,.app-grid,.about-grid{grid-template-columns:1fr;gap:30px}.hero h1{font-size:34px}.section{padding:54px 0}.service-grid{grid-template-columns:repeat(2,1fr)}.service-grid img{height:120px}.section h2,.contact h2{font-size:25px}.footer-content{padding:18px 0}}