:root{font-family:SF Pro Display,PingFang SC,Inter,-apple-system,sans-serif;--bg: #f5f5f7;--text: #1d1d1f;--muted: #6e6e73;--line: #d2d2d7;--accent: #0071e3;--accent-strong: #0062c3}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{background:var(--bg);color:var(--text)}.page{width:min(1200px,calc(100% - 2rem));margin:0 auto;padding-bottom:3rem}.top-nav{position:sticky;top:0;z-index:20;height:52px;width:100vw;margin-left:calc(50% - 50vw);border-bottom:1px solid rgba(0,0,0,.08);background:#ffffffc7;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.top-nav__inner{width:min(1200px,calc(100% - 2rem));height:100%;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:.9rem}.top-nav__brand{color:inherit;text-decoration:none;font-weight:600}.top-nav__links{display:flex;gap:1rem}.top-nav__links a{color:#424245;text-decoration:none;font-size:.88rem}.lang-switch{margin-left:auto;display:flex;gap:.35rem}.lang-switch button{border:1px solid var(--line);background:#fff;color:#424245;border-radius:999px;padding:.2rem .48rem;font-size:.74rem;cursor:pointer}.lang-switch button.is-active{border-color:#1d1d1f;background:#1d1d1f;color:#fff}.hero{text-align:center;padding:5rem 1rem 2rem}.hero h1{margin:0;font-size:clamp(2.2rem,6vw,4.8rem);line-height:1.08}.stage{margin-top:.45rem;min-height:300px;border-radius:24px;background:radial-gradient(circle at 72% 28%,rgba(0,113,227,.35),transparent 38%),linear-gradient(140deg,#0f0f10,#191a1e 48%,#121213);display:flex;align-items:center;padding:2rem}.stage__content{color:#f5f5f7;width:100%;text-align:center}.stage__eyebrow{margin:0;color:#9a9aa0}.stage__content h2{margin:.6rem 0 .7rem;font-size:clamp(2rem,4vw,3.6rem)}.stage__subtitle{margin:0;color:#d1d1d6;font-size:1.05rem}.stage__description{margin:.5rem auto 0;max-width:760px;color:#b9bbc2;font-size:.94rem;line-height:1.7}.detail-btn{margin-top:.9rem;display:inline-flex;align-items:center;justify-content:center;padding:.58rem 1.02rem;border-radius:999px;background:var(--accent);color:#fff;text-decoration:none;font-size:.9rem}.detail-btn:hover{background:var(--accent-strong)}.section--products,.section--studio,.section--product-detail{margin-top:.9rem}.section__head{margin-bottom:1rem;display:flex;justify-content:space-between;align-items:end}.section__head h2,.section__head p{margin:0}.section__head p{color:var(--muted)}.product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.product-card{background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:18px}.product-card__body{padding:1rem 1.05rem 1.15rem}.product-card__title{margin:0 0 .45rem;font-size:1.6rem;line-height:1.2}.product-card__subtitle{margin:0 0 .4rem;color:#3c3c43;font-weight:500}.product-card__body p{margin:0;color:var(--muted);line-height:1.6}.studio-wrap h3{margin:0 0 .45rem;font-size:1.15rem}.studio-wrap p{margin:0}.studio-wrap a{color:var(--accent);text-decoration:none}.detail{background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:18px;padding:1.2rem}.detail__header{display:flex;justify-content:space-between;align-items:center;gap:1rem}.detail__header h3{margin:0}.tab-wrap{display:flex;gap:.45rem}.tab-wrap button{border:1px solid var(--line);background:#fafafc;border-radius:999px;padding:.42rem .85rem;font-size:.86rem;cursor:pointer}.tab-wrap button.is-active{background:#1d1d1f;border-color:#1d1d1f;color:#fff}.detail__subtitle{margin:.25rem 0 .95rem;color:var(--muted)}.content p{margin:0 0 .72rem;line-height:1.72}.site-footer{margin-top:2rem;padding-top:1.1rem;border-top:1px solid var(--line)}.site-footer p{margin:0;text-align:center;color:#86868b;font-size:.82rem}@media (max-width: 768px){.page,.top-nav__inner{width:min(1200px,calc(100% - 1rem))}.hero{padding-top:3.4rem}.stage{min-height:270px;padding:1.3rem}.product-grid{grid-template-columns:1fr}.detail__header{flex-direction:column;align-items:start}}