:root{
  --teal:#2b8291; --teal-light:#47b2c2; --ink:#14202a; --muted:#5b6b76;
  --bg:#f4f8f9; --card:#ffffff; --line:#e3ecef; --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink); background:var(--bg); line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--teal); text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:760px; margin:0 auto; padding:0 22px}

/* header */
.site-head{background:linear-gradient(180deg,#5cc2d1,#2b8291); color:#fff; padding:0}
.nav{display:flex; align-items:center; justify-content:space-between; height:64px}
.brand{display:flex; align-items:center; gap:10px; color:#fff; font-weight:800; font-size:18px}
.brand:hover{text-decoration:none}
.brand .pin{width:26px;height:26px;flex:0 0 auto}
.nav-links{display:flex; gap:20px; font-size:14px; font-weight:600}
.nav-links a{color:rgba(255,255,255,.9)}

/* hero */
.hero{background:linear-gradient(180deg,#5cc2d1,#2b8291); color:#fff; padding:40px 0 64px; text-align:center}
.hero .pin-lg{width:76px;height:76px;margin:0 auto 18px; display:block; filter:drop-shadow(0 10px 22px rgba(10,58,66,.35))}
.hero h1{font-size:34px; line-height:1.2; font-weight:800; margin-bottom:12px; letter-spacing:-.5px}
.hero p{font-size:17px; max-width:520px; margin:0 auto; color:rgba(255,255,255,.92)}

/* page body */
main{padding:44px 0 60px}
.card{background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:26px 26px; margin:0 0 18px; box-shadow:0 1px 3px rgba(20,32,42,.04)}
h2{font-size:22px; font-weight:800; margin:0 0 14px; letter-spacing:-.3px}
h3{font-size:16px; font-weight:700; margin:20px 0 6px}
p{margin:0 0 12px; color:#26333d}
.lead{font-size:17px; color:var(--muted); margin-bottom:26px}
ul{margin:0 0 12px 20px} li{margin:4px 0}
.muted{color:var(--muted)}
.eff{font-size:13px; color:var(--muted); margin-bottom:22px}
.feat{display:grid; grid-template-columns:1fr 1fr; gap:14px; margin:8px 0 4px}
.feat .f{background:var(--card); border:1px solid var(--line); border-radius:12px; padding:16px}
.feat .f b{display:block; margin-bottom:4px}
.btn{display:inline-block; background:#fff; color:var(--teal); font-weight:700; padding:12px 22px; border-radius:999px; margin-top:22px; box-shadow:0 6px 18px rgba(10,58,66,.22)}
.email{font-weight:700}

/* footer */
footer{border-top:1px solid var(--line); padding:26px 0 40px; color:var(--muted); font-size:13px; text-align:center}
footer a{margin:0 8px}
@media(max-width:560px){
  .hero h1{font-size:27px} .feat{grid-template-columns:1fr} .nav-links{gap:14px}
}