:root{--kb-ink:#0c1a2b;--kb-ink2:#42526b;--kb-bg:#ffffff;--kb-tint:#eef5fb;--kb-cold:#1f8fe0;--kb-hot:#ff6a2b;--kb-line:#d9e3ee;--kb-r:16px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body.kb-body{margin:0;background:var(--kb-bg);color:var(--kb-ink);font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;font-size:17px;line-height:1.55;padding-bottom:76px;overflow-x:hidden}
.kb-wrap{max-width:1080px;margin:0 auto;padding:0 16px}
.kb-img{display:block;width:100%;height:auto;border-radius:var(--kb-r)}
.kb-ph{display:flex !important;align-items:center;justify-content:center;aspect-ratio:1/1;border-radius:var(--kb-r);background:linear-gradient(135deg,#dff0ff 0%,#eef5fb 50%,#ffe6d9 100%);color:var(--kb-ink2);font-size:14px}
.kb-eyebrow{margin:0 0 8px;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--kb-cold)}
.kb-h1{margin:0 0 10px;font-size:clamp(28px,7vw,46px);line-height:1.08;letter-spacing:-.02em;text-wrap:balance}
.kb-h2{margin:0 0 12px;font-size:clamp(24px,5.4vw,36px);line-height:1.12;letter-spacing:-.015em;text-wrap:balance}
.kb-h3{margin:10px 0 4px;font-size:19px;line-height:1.25}
.kb-lead{margin:0 0 16px;color:var(--kb-ink2)}
.kb-text{max-width:640px;color:var(--kb-ink2)}
.kb-hero{padding:16px 0 28px;background:linear-gradient(180deg,var(--kb-tint),#fff 70%)}
.kb-hero__grid{display:grid;gap:18px}
.kb-opts{display:grid;gap:10px;margin:0 0 14px}
.kb-opt{display:block;position:relative;cursor:pointer}
.kb-opt input{position:absolute;opacity:0;inset:0}
.kb-opt__box{display:grid;grid-template-columns:1fr auto;gap:2px 12px;padding:14px 16px;border:2px solid var(--kb-line);border-radius:var(--kb-r);background:#fff}
.kb-opt input:checked+.kb-opt__box{border-color:var(--kb-ink);box-shadow:0 0 0 2px var(--kb-ink) inset}
.kb-opt input:focus-visible+.kb-opt__box{outline:3px solid var(--kb-cold);outline-offset:2px}
.kb-opt__name{font-weight:700}
.kb-opt__price{font-weight:700;text-align:right;font-variant-numeric:tabular-nums}
.kb-opt__price s{font-weight:400;color:var(--kb-ink2);margin-left:6px}
.kb-opt__ship{grid-column:1/-1;font-size:14px;color:var(--kb-ink2)}
.kb-badge{grid-column:1/-1;justify-self:start;margin-bottom:4px;padding:2px 10px;border-radius:999px;background:var(--kb-hot);color:#fff;font-size:12px;font-weight:700}
.kb-btn{display:block;width:100%;padding:16px 20px;border:0;border-radius:999px;background:var(--kb-hot);color:#fff;font:inherit;font-weight:800;font-size:18px;cursor:pointer}
.kb-btn:hover{filter:brightness(.95)}
.kb-btn--s{width:auto;padding:12px 22px;font-size:16px}
.kb-note{margin:10px 0 0;font-size:14px;color:var(--kb-ink2)}
.kb-sticky{position:fixed;left:0;right:0;bottom:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;background:#fff;border-top:1px solid var(--kb-line)}
.kb-sticky__p{font-weight:800;font-size:18px;font-variant-numeric:tabular-nums}
.kb-sec{padding:40px 0}
.kb-sec--tint{background:var(--kb-tint)}
.kb-sec--dark{background:var(--kb-ink);color:#fff}
.kb-sec--dark .kb-text,.kb-sec--dark p{color:#c9d6e6}
.kb-sec--dark .kb-eyebrow{color:#7cc4ff}
.kb-grid{display:grid;gap:16px;margin-top:20px}
.kb-card{padding:16px;border-radius:var(--kb-r);background:#fff;color:var(--kb-ink);border:1px solid var(--kb-line)}
.kb-card p{margin:0;color:var(--kb-ink2)}
.kb-num{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;margin-top:10px;border-radius:50%;background:var(--kb-cold);color:#fff;font-weight:800}
.kb-faq{margin-top:16px;border-top:1px solid var(--kb-line)}
.kb-faq details{border-bottom:1px solid var(--kb-line);padding:14px 0}
.kb-faq summary{cursor:pointer;font-weight:700}
.kb-faq p{margin:8px 0 0;color:var(--kb-ink2)}
.kb-foot{padding:28px 0 20px;background:var(--kb-ink);color:#c9d6e6;font-size:14px}
.kb-foot a{color:#fff;margin-right:14px}
.kb-foot p{margin:6px 0}
@media(min-width:800px){body.kb-body{padding-bottom:0}.kb-sticky{display:none}.kb-hero{padding:40px 0 56px}.kb-hero__grid{grid-template-columns:1fr 1fr;gap:40px;align-items:start}.kb-sec{padding:64px 0}.kb-grid--2{grid-template-columns:1fr 1fr}.kb-grid--3{grid-template-columns:repeat(3,1fr)}}
@media(prefers-reduced-motion:no-preference){.kb-btn{transition:filter .15s}}