*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f7faf9;color:#1f2937;line-height:1.6}
img{max-width:100%;height:auto}
.pv-container{max-width:1150px;margin:0 auto;padding:0 20px}
.pv-header{background:#053c39;padding:15px 0;position:sticky;top:0;z-index:10}
.pv-nav{display:flex;align-items:center;justify-content:space-between}
.pv-logo{font-size:34px;color:#fff;font-weight:800}
.pv-logo span{color:#31c8ff}
.pv-small-btn{background:#00d084;color:#fff;text-decoration:none;padding:10px 20px;border-radius:30px;font-weight:700}
.pv-hero{background:linear-gradient(135deg,#063f3a,#0f766e);color:#fff;padding:70px 0}
.pv-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.pv-hero h1{font-size:54px;line-height:1.08;margin:0 0 22px;font-weight:900}
.pv-hero h1 span{color:#31c8ff}
.pv-hero p{font-size:22px;max-width:760px}
.pv-hero-img{text-align:center}
.pv-btn{display:inline-block;background:#00d084;color:#fff;text-decoration:none;padding:17px 38px;border-radius:50px;font-size:21px;font-weight:800;margin-top:20px;box-shadow:0 10px 22px rgba(0,0,0,.18);transition:.2s}
.pv-btn:hover{transform:translateY(-2px);filter:brightness(.95)}
.pv-section{padding:45px 0}
.pv-light{background:#ecfdf5}
.pv-box{background:#fff;border-radius:22px;padding:42px;box-shadow:0 10px 30px rgba(0,0,0,.08)}
h2{font-size:38px;line-height:1.2;color:#0f766e;margin:0 0 20px}
.pv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(235px,1fr));gap:22px;margin-top:28px}
.pv-card{background:#f0fdfa;border:1px solid #ccfbf1;border-radius:16px;padding:24px}
.pv-card h3{margin:0 0 10px;color:#065f46}
.pv-two-col{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.pv-rounded-img{border-radius:22px;box-shadow:0 10px 28px rgba(0,0,0,.12)}
.pv-center{text-align:center}
.pv-banner{text-align:center;padding:25px 0;background:#073b38}
.pv-offers{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;margin-top:35px}
.pv-offer{background:#fff;border:2px solid #d1fae5;border-radius:22px;text-align:center;padding:30px;position:relative}
.pv-offer img{max-height:210px;object-fit:contain}
.pv-popular{border:4px solid #facc15;transform:scale(1.03)}
.pv-badge{display:inline-block;background:#dc2626;color:#fff;font-weight:900;padding:8px 18px;border-radius:30px;margin-bottom:14px}
.pv-price{font-size:58px;font-weight:900;color:#0f766e;line-height:1}
.pv-small{font-size:14px;color:#6b7280}
.pv-guarantee{background:#ecfeff;border-left:6px solid #06b6d4;border-radius:16px;padding:24px;margin-top:35px}
.pv-faq details{background:#f9fafb;border:1px solid #e5e7eb;border-radius:14px;padding:18px;margin-bottom:14px}
.pv-faq summary{font-weight:800;cursor:pointer}
.pv-footer{background:#053c39;color:#d1d5db;text-align:center;font-size:13px;padding:30px 0}

@media(max-width:800px){
  .pv-hero-grid,.pv-two-col{grid-template-columns:1fr}
  .pv-hero{text-align:center;padding:50px 0}
  .pv-hero h1{font-size:36px}
  .pv-hero p{font-size:18px}
  h2{font-size:29px}
  .pv-box{padding:26px}
  .pv-popular{transform:none}
  .pv-nav{gap:10px}
  .pv-logo{font-size:28px}
}