.st{--ink:#1d1b20;--muted:#6b6670;--rose:#b4436c;--rose-d:#8f2f53;--bg:#fbf8f9;background:#fff;color:var(--ink);font-family:var(--font-sans),system-ui,sans-serif;line-height:1.5}
.st *{box-sizing:border-box}
.st img{display:block;max-width:100%;height:auto}
.st button{font:inherit;cursor:pointer}
.st-bar{background:var(--ink);color:#fff;text-align:center;font-size:13px;padding:8px 16px}
.st-header{display:flex;align-items:center;justify-content:space-between;padding:16px clamp(16px,4vw,48px);border-bottom:1px solid #eee;position:sticky;top:0;background:#fff;z-index:5}
.st-logo{font-weight:800;letter-spacing:.14em;color:var(--ink);text-decoration:none;font-size:20px}
.st-logo span{color:var(--rose)}
.st-header nav{display:flex;gap:24px}
.st-header nav a{color:var(--muted);text-decoration:none;font-size:14px}
.st-header nav a:hover{color:var(--rose)}
.st-product{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:clamp(24px,5vw,64px);max-width:1180px;margin:0 auto;padding:32px clamp(16px,4vw,48px)}
.st-gallery{display:grid;grid-template-columns:72px 1fr;gap:12px;align-self:start;position:sticky;top:80px}
.st-thumbs{display:flex;flex-direction:column;gap:8px;max-height:640px;overflow-y:auto;scrollbar-width:thin}
.st-thumbs button{border:2px solid transparent;padding:0;background:none;border-radius:6px;overflow:hidden;flex:none}
.st-thumbs button.on{border-color:var(--rose)}
.st-thumbs img{width:64px;height:86px;object-fit:cover}
.st-main-img{background:var(--bg);border-radius:12px;overflow:hidden;aspect-ratio:3/4}
.st-main-img img{width:100%;height:100%;object-fit:cover}
.st-tag{color:var(--rose);font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}
.st-info h1{font-size:clamp(26px,3.4vw,38px);line-height:1.15;margin:8px 0 12px}
.st-sub{color:var(--muted);margin:0 0 20px}
.st-price{display:flex;align-items:baseline;gap:12px}
.st-price strong{font-size:34px}
.st-price s{color:var(--muted)}
.st-price em{background:var(--rose);color:#fff;font-style:normal;font-size:12px;font-weight:700;padding:3px 8px;border-radius:99px}
.st-pix{color:var(--muted);font-size:14px;margin:4px 0 24px}
.st-label{font-size:14px;font-weight:700;margin:0 0 8px}
.st-sizes{display:flex;gap:8px;margin-bottom:24px}
.st-sizes button{min-width:52px;height:46px;border:1px solid #d8d3d9;background:#fff;border-radius:8px;font-weight:600}
.st-sizes button.on{border-color:var(--ink);background:var(--ink);color:#fff}
.st-cta{display:block;text-align:center;background:var(--rose);color:#fff;text-decoration:none;font-weight:700;padding:16px;border-radius:10px;transition:background .15s}
.st-cta:hover{background:var(--rose-d)}
.st-perks{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:10px;color:var(--muted);font-size:14px}
.st-perks li{display:flex;align-items:center;gap:10px}
.st-features{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;max-width:1180px;margin:24px auto;padding:0 clamp(16px,4vw,48px)}
.st-features article{background:var(--bg);border-radius:12px;padding:24px}
.st-features svg{color:var(--rose)}
.st-features h3{margin:12px 0 4px;font-size:17px}
.st-features p{margin:0;color:var(--muted);font-size:14px}
.st-specs,.st-faq{max-width:820px;margin:48px auto;padding:0 clamp(16px,4vw,48px)}
.st h2{font-size:26px}
.st-specs dl{display:grid;grid-template-columns:140px 1fr;border-top:1px solid #eee}
.st-specs dt,.st-specs dd{margin:0;padding:12px 0;border-bottom:1px solid #eee}
.st-specs dt{font-weight:700}
.st-faq details{border-bottom:1px solid #eee;padding:14px 0}
.st-faq summary{font-weight:600;cursor:pointer}
.st-faq p{color:var(--muted);margin:8px 0 0}
.st-footer{background:var(--ink);color:#d9d4db;text-align:center;padding:40px 16px;margin-top:64px}
.st-footer strong{color:#fff;letter-spacing:.14em}
.st-footer p{margin:8px 0}
@media(max-width:820px){
  .st-header nav{display:none}
  .st-product{grid-template-columns:1fr;padding-top:16px}
  .st-gallery{position:static;grid-template-columns:1fr}
  .st-main-img{order:-1}
  .st-thumbs{flex-direction:row;max-height:none;overflow-x:auto}
  .st-features{grid-template-columns:1fr 1fr}
  .st-specs dl{grid-template-columns:100px 1fr}
}