*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#1f2933;line-height:1.6;background:#fff}
img{max-width:100%;height:auto;display:block}a{color:#0b6e4f}.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid #e5e7eb;background:#fff;position:sticky;top:0;z-index:5}
nav{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:14px 0}
.brand{font-weight:700;font-size:1.15rem;text-decoration:none;color:#1f2933}nav ul{list-style:none;display:flex;flex-wrap:wrap;gap:16px;margin:0;padding:0}nav ul a{text-decoration:none;color:#334}
.hero{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;padding:60px 0}
.hero h1{font-size:2.6rem;line-height:1.15;margin:0 0 16px}.hero img{border-radius:12px}
.btn{display:inline-block;background:#0b6e4f;color:#fff;padding:12px 22px;border-radius:8px;text-decoration:none;font-weight:600;border:0;font-size:1rem;cursor:pointer}.btn.alt{background:#fff;color:#0b6e4f;border:2px solid #0b6e4f}
section{padding:56px 0}section.alt{background:#f4f7f6}h2{font-size:1.9rem;margin:0 0 8px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px;margin-top:24px}
.card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:22px}.card h3{margin-top:0}
.shot{padding:0;overflow:hidden}.shot img{width:100%;height:240px;object-fit:cover;object-position:top}.shot div{padding:16px 20px}
.tag{display:inline-block;background:#fff4d6;color:#7a5600;font-size:.8rem;font-weight:600;padding:2px 10px;border-radius:99px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}.split img{border-radius:12px}
footer{border-top:1px solid #e5e7eb;padding:24px 0;font-size:.9rem;color:#556}
article{max-width:760px;margin:0 auto;padding:48px 20px}
@media(max-width:800px){.hero,.split{grid-template-columns:1fr}.hero{padding:32px 0}.hero h1{font-size:2rem}section{padding:40px 0}}
.demo table{width:100%;border-collapse:collapse;font-size:.82rem;margin:6px 0 12px}.demo th,.demo td{border:1px solid #e5e7eb;padding:4px 6px;text-align:left}.demo th{background:#f4f7f6}.demo .bad{background:#fdecec;color:#9b1c1c}.demo .good{background:#e7f5ef}.demo h4{margin:10px 0 2px;font-size:.9rem}.demo .tw{overflow-x:auto}
.cta{background:#f4f7f6;border:1px solid #e5e7eb;border-radius:12px;padding:22px;margin-top:36px}.cta h2{font-size:1.4rem}