:root{--bg:#fff5f8;--ink:#4a2c3a;--muted:#8a6574;--pink:#ff7aa2;--mint:#7ddec7;--cream:#fff;--font-display:"Fredoka","Noto Sans SC",sans-serif;--font-body:"Noto Sans SC","PingFang SC",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font-body);color:var(--ink);background:radial-gradient(circle at 10% 0%,#ffe0ea,transparent 40%),radial-gradient(circle at 90% 10%,#d9fff4,transparent 35%),var(--bg);line-height:1.7}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit}
.wrap{width:min(980px,calc(100% - 1.5rem));margin:0 auto}
.s3-header{padding:1.2rem 0;text-align:center}
.s3-header img{width:64px;height:64px;border-radius:22px;margin:0 auto .7rem;object-fit:cover;box-shadow:0 10px 24px rgba(255,122,162,.35)}
.s3-header h1{margin:0;font-family:var(--font-display);font-size:clamp(2rem,6vw,3rem)}
.s3-header p{margin:.5rem auto 0;max-width:28rem;color:var(--muted)}
.s3-pillnav{display:flex;justify-content:center;flex-wrap:wrap;gap:.5rem;margin:1rem 0 1.5rem}
.s3-pillnav a{padding:.45rem .9rem;border-radius:999px;background:#fff;border:1px solid rgba(255,122,162,.25);font-size:.9rem}
.s3-download{display:flex;justify-content:center;flex-wrap:wrap;gap:.7rem;margin-bottom:1.8rem}
.s3-btn{min-width:150px;padding:.85rem 1.2rem;border:0;border-radius:999px;color:#fff;font-weight:700;text-align:center;box-shadow:0 10px 22px rgba(255,122,162,.28)}
.s3-btn-a{background:linear-gradient(135deg,#7ddec7,#43c9a8)}
.s3-btn-i{background:linear-gradient(135deg,#ff7aa2,#ff5d8f)}
.s3-card{background:rgba(255,255,255,.88);border-radius:28px;padding:1.3rem 1.25rem;margin-bottom:1.1rem;border:1px solid rgba(255,122,162,.18);box-shadow:0 12px 30px rgba(74,44,58,.05)}
.s3-card h2{margin:0 0 .8rem;font-family:var(--font-display);font-size:1.4rem}
.s3-card h2 em{font-style:normal;color:var(--pink)}
.s3-steps{display:grid;gap:.8rem}
.s3-step{display:grid;grid-template-columns:42px 1fr;gap:.8rem;align-items:start}
.s3-step i{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:var(--mint);font-weight:800;font-family:var(--font-display);color:#1f6d5d}
.s3-step b{display:block;margin-bottom:.2rem}
.s3-step p{margin:0;color:var(--muted);font-size:.92rem}
.s3-feats{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
.s3-feat{background:#fff7fa;border-radius:18px;padding:1rem;border:1px dashed rgba(255,122,162,.35)}
.s3-feat b{display:block;margin-bottom:.3rem}
.s3-feat p{margin:0;color:var(--muted);font-size:.9rem}
.s3-shots{display:flex;gap:.75rem;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:.4rem}
.s3-shot{flex:0 0 68%;max-width:240px;scroll-snap-align:start;border:0;padding:0;border-radius:22px;overflow:hidden;aspect-ratio:9/16;cursor:zoom-in;background:#ffe8f0}
.s3-shot img{width:100%;height:100%;object-fit:cover}
.s3-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin:0;padding:0;list-style:none}
.s3-tags li{padding:.4rem .8rem;border-radius:999px;background:#e8fff8;color:#1f6d5d;font-size:.88rem}
.s3-faq details{background:#fff;border-radius:16px;padding:.85rem 1rem;margin-bottom:.55rem;border:1px solid rgba(255,122,162,.2)}
.s3-faq summary{cursor:pointer;font-weight:700}
.s3-faq p{margin:.5rem 0 0;color:var(--muted);font-size:.92rem}
.s3-banner{text-align:center;background:linear-gradient(135deg,#ff7aa2,#ff9eb8);color:#fff;border-radius:28px;padding:1.5rem 1.2rem;margin:1.4rem 0}
.s3-banner h2{margin:0 0 .4rem;font-family:var(--font-display)}
.s3-banner p{margin:0 0 1rem;opacity:.95}
.s3-footer{text-align:center;color:var(--muted);padding:1.2rem 0 2rem;font-size:.9rem}
.s3-footer strong{color:var(--ink);font-family:var(--font-display)}
[data-reveal]{opacity:0;transform:translateY(16px);transition:.5s ease}
[data-reveal].is-inview{opacity:1;transform:none}
.lightbox{position:fixed;inset:0;display:none;place-items:center;background:rgba(50,20,35,.78);z-index:40;padding:1rem}
.lightbox.is-open{display:grid}
.lightbox img{max-width:min(880px,100%);max-height:88vh;border-radius:16px}
.lightbox button{position:absolute;top:1rem;right:1rem;border:0;border-radius:50%;width:40px;height:40px;background:#fff;cursor:pointer;font-size:1.3rem}
@media(min-width:760px){.s3-feats{grid-template-columns:repeat(3,1fr)}.s3-shot{flex-basis:30%}}