:root{--bg:#09131b;--panel:#101f29;--line:#20323d;--ink:#eef6f4;--sub:#a9bcbc;--mint:#4ff7bf;--mint-ink:#062018}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP",system-ui,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
:lang(zh-Hans){font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC",system-ui,sans-serif}
:lang(zh-Hant){font-family:-apple-system,BlinkMacSystemFont,"PingFang TC","Noto Sans TC",system-ui,sans-serif}
:lang(ko){font-family:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Noto Sans KR",system-ui,sans-serif}
:lang(ar){font-family:-apple-system,BlinkMacSystemFont,"SF Arabic","Geeza Pro","Noto Sans Arabic",system-ui,sans-serif}
a{color:var(--mint)}
img,video{display:block;max-width:100%}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
header.top{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;max-width:1080px;margin:0 auto}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:800;font-size:20px}
.brand img{width:34px;height:34px;border-radius:8px}
.lang{position:relative}
.lang summary{list-style:none;cursor:pointer;font-size:13px;color:var(--sub);border:1px solid var(--line);border-radius:999px;padding:4px 12px;user-select:none}
.lang summary::-webkit-details-marker{display:none}
.lang summary::before{content:"🌐";margin-inline-end:6px}
.lang summary::after{content:"▾";margin-inline-start:6px;font-size:11px}
.lang[open] summary{color:var(--ink);border-color:var(--sub)}
.lang nav{position:absolute;inset-inline-end:0;top:calc(100% + 6px);z-index:10;display:grid;min-width:190px;padding:6px;background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:0 14px 40px rgba(0,0,0,.45)}
.lang nav a{font-size:14px;text-decoration:none;color:var(--ink);padding:7px 12px;border-radius:9px}
.lang nav a:hover{background:var(--line)}
.lang nav a[aria-current]{color:var(--mint-ink);background:var(--mint)}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding:36px 20px 72px;max-width:1080px;margin:0 auto}
.hero h1{font-size:clamp(34px,5.4vw,58px);line-height:1.18;margin:0 0 18px;letter-spacing:-.01em;text-wrap:balance}
.hero h1 em{font-style:normal;color:var(--mint)}
.hero p.lead{font-size:clamp(16px,2vw,19px);color:var(--sub);margin:0 0 28px}
.cta{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.cta .badge img{height:54px;width:auto}
.cta small{color:var(--sub);font-size:13px}
.phone{justify-self:center;width:min(300px,78vw);aspect-ratio:9/16;border-radius:40px;padding:10px;background:#000;box-shadow:0 0 0 1px #2b3c46,0 30px 80px rgba(0,0,0,.55),0 0 120px rgba(79,247,191,.12)}
.phone video{width:100%;height:100%;object-fit:cover;border-radius:31px}
section{padding:64px 0;border-top:1px solid var(--line)}
section h2{font-size:clamp(26px,3.6vw,36px);margin:0 0 10px;text-align:center}
section p.section-lead{color:var(--sub);text-align:center;margin:0 auto 40px;max-width:640px}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feature{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:22px}
.feature .ico{font-size:26px;line-height:1;margin-bottom:12px}
.feature h3{margin:0 0 6px;font-size:18px}
.feature p{margin:0;color:var(--sub);font-size:15px}
.shots{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 20px 18px;max-width:1120px;margin:0 auto}
.shots img{width:220px;height:auto;flex:none;border-radius:18px;scroll-snap-align:center;border:1px solid var(--line)}
.pricing{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:760px;margin:0 auto}
.plan{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:26px}
.plan.pro{border-color:var(--mint)}
.plan h3{margin:0 0 4px}
.plan .price{font-size:30px;font-weight:800;margin:6px 0 12px}
.plan ul{margin:0;padding-inline-start:1.2em;color:var(--sub)}
.notes{max-width:760px;margin:0 auto;color:var(--sub);font-size:15px}
.notes li{margin:6px 0}
.final{text-align:center}
.final .cta{justify-content:center;margin-top:22px}
footer{border-top:1px solid var(--line);padding:28px 20px 40px;text-align:center;color:var(--sub);font-size:14px}
footer nav{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin-bottom:12px}
@media (max-width:820px){
 .hero{grid-template-columns:1fr;text-align:center;gap:36px;padding-top:12px}
 .cta{justify-content:center}
 .features{grid-template-columns:1fr 1fr}
 .pricing{grid-template-columns:1fr}
}
@media (max-width:520px){.features{grid-template-columns:1fr}.shots img{width:190px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}