*{box-sizing:border-box}body{margin:0;font-family:system-ui,sans-serif;color:#1d2433;background:#f6f8fb}
header{display:flex;justify-content:space-between;align-items:center;padding:14px 6%;background:#fff;border-bottom:1px solid #e3e8ef}
.logo{font-weight:800;font-size:20px;color:#0f766e;text-decoration:none}nav a{margin-left:18px;color:#334;text-decoration:none}
.hero{padding:48px 6% 24px}.hero h1{font-size:40px;margin:0 0 10px}.hero p{font-size:18px;max-width:640px;color:#4a5568}
section{padding:0 6% 24px}.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:center}select{padding:8px;border-radius:8px;border:1px solid #cbd5e0}
.card{display:block;background:#fff;border:1px solid #e3e8ef;border-radius:12px;padding:14px 18px;margin:10px 0;text-decoration:none;color:inherit}
.card:hover{border-color:#0f766e}.card h3{margin:0 0 4px;font-size:17px}.card .co{color:#4a5568;margin:0}.pay{color:#0f766e;font-weight:700}
.tag{display:inline-block;background:#e6fffa;color:#0f766e;border-radius:99px;padding:2px 10px;font-size:12px;margin-right:4px}
.signup,.postform{background:#0f766e;color:#fff;margin:20px 6%;padding:24px;border-radius:14px}.postform{background:#fff;color:#000;display:grid;gap:10px;max-width:520px;margin:0}
input{padding:10px;border-radius:8px;border:1px solid #cbd5e0;min-width:240px}button,.btn{background:#f59e0b;color:#111;border:0;padding:10px 18px;border-radius:8px;font-weight:700;text-decoration:none;display:inline-block}
.narrow{max-width:760px;padding-top:24px}.meta{color:#718096;font-size:13px}footer{padding:24px 6%;color:#718096;font-size:13px}
input[type=checkbox]{min-width:0}