:root{--ink:#1d1d1f;--mute:#6e6e73;--ink-soft:#6e6e73;--line:#e8e8ed;--soft:#f5f5f7;--paper:#fff;--blue:#0071e3;--warm:#f4f1ea}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);-webkit-font-smoothing:antialiased;background:#fff;margin:0;font:16px/1.65 -apple-system,BlinkMacSystemFont,PingFang SC,Noto Sans CJK SC,Microsoft YaHei,sans-serif}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}.w{max-width:1080px;margin:0 auto;padding:0 32px}.narrow{max-width:880px}.c{text-align:center}.mute{color:var(--mute);margin:0}.small{font-size:13px}kbd{color:var(--ink);background:#fff;border:1px solid #d2d2d7;border-bottom-width:2px;border-radius:5px;padding:0 6px;font:500 12px/1.6 ui-monospace,SFMono-Regular,Menlo,monospace;display:inline-block}.topbar{border-bottom:1px solid var(--line);z-index:10;backdrop-filter:saturate(180%)blur(16px);background:#ffffffd9;position:sticky;top:0}.topbar .w{align-items:center;gap:28px;height:52px;font-size:13px;display:flex}.topbar a{color:var(--mute)}.topbar .brand{color:var(--ink);align-items:center;gap:8px;font-size:14px;font-weight:600;display:flex}.app-icon{width:22px;height:22px}.sp{flex:1}.btn{border-radius:980px;padding:9px 20px;font-size:14px;font-weight:500;display:inline-block}.btn:hover{filter:brightness(1.08);text-decoration:none}.pri{background:var(--blue);color:#fff}.outline{color:var(--blue);box-shadow:inset 0 0 0 1px #0071e373}.ghost{color:var(--blue)}.hero{text-align:center;padding:64px 0 0}.hero-icon{width:72px;height:72px}.hero h1{letter-spacing:-.01em;margin:12px 0 4px;font-size:34px;font-weight:600}.tagline{color:var(--mute);margin:0 0 22px;font-size:18px}.cta{justify-content:center;align-items:center;gap:8px;display:flex}.meta{color:var(--mute);margin:12px 0 0;font-size:12px}.meta .gap{width:1.5em;display:inline-block}.hero-shot{max-width:1140px;margin:44px auto 0;padding:0 24px}.shot-img{width:100%;height:auto;box-shadow:0 0 0 1px var(--line), 0 20px 40px -20px #00000040;border-radius:12px;margin:0 auto;display:block}.shot-img.bare{box-shadow:none;border-radius:0}.ph{background:var(--soft);color:#86868b;text-align:center;border:1px dashed #c7c7cc;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:4px;min-height:340px;padding:16px;font-size:13px;display:flex}.ph b{letter-spacing:.08em;color:#a1a1a6;font-size:11px;font-weight:600}.ph code{color:#a1a1a6;font:11px ui-monospace,Menlo,monospace}.ph.tall{aspect-ratio:16/9;border-radius:14px 14px 0 0;min-height:0}.ph.short{min-height:170px}section{border-top:1px solid var(--line);padding:110px 0}.row{grid-template-columns:5fr 7fr;align-items:center;gap:64px;display:grid}.row.r{grid-template-columns:7fr 5fr}.row.r .tx{order:2}.eyebrow{color:var(--mute);margin-bottom:6px;font-size:13px;font-weight:500}h2{letter-spacing:-.005em;margin:0 0 12px;font-size:26px;font-weight:600}.tx p{color:var(--mute);margin:0 0 14px}.tx ul{color:#424245;margin:16px 0 0;padding:0;font-size:14px;list-style:none}.tx li{border-top:1px solid var(--line);padding:7px 0}.rope-sec{background:linear-gradient(180deg, var(--warm), #efeae0);border-top:none;flex-direction:column;justify-content:center;min-height:min(100vh,960px);padding:96px 0 100px;display:flex}.rope-sec .hd{text-align:center;max-width:720px;margin-bottom:44px}.rope-sec h2{font-size:34px}.rope-sec .hd p{color:var(--mute);margin:0}.stage-wrap{padding:0 32px}.stage{background:linear-gradient(170deg,#7d8fa8,#b9a7a0 55%,#8e7f93);border-radius:16px;max-width:1180px;height:440px;margin:0 auto;position:relative;overflow:hidden;box-shadow:0 30px 60px -25px #3c281459}.menubar{z-index:3;color:#f2f2f2;background:#1e1e228c;align-items:center;gap:14px;height:26px;padding:0 14px;font-size:12px;display:flex;position:relative}.menubar img{width:15px;height:15px}.line{padding:0 3%;position:absolute;top:34px;left:0;right:0}.rope-img.shot-img{box-shadow:none;border-radius:0}.line .ph{background:#fff3;min-height:200px}.gesture{flex-direction:column;align-items:center;display:flex;position:absolute;top:205px;transform:translate(-50%)}.gesture .leader{background:#ffffffbf;width:1px;height:90px}.gesture.g2,.gesture.g4{top:206px}.gesture.g2 .leader,.gesture.g4 .leader{height:130px}.pill{white-space:nowrap;background:#fff;border-radius:99px;align-items:center;gap:8px;padding:6px 14px 6px 6px;font-size:14px;font-weight:500;display:flex;box-shadow:0 4px 14px #00000024}.pill i{background:var(--ink);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:12px;font-style:normal;display:flex}.pill small{color:var(--mute);font-size:12px;font-weight:400}.facts{color:#57534e;justify-content:center;gap:48px;margin-top:40px;font-size:14px;display:flex}.facts b{color:var(--ink);font-size:15px;font-weight:600;display:block}.mini{grid-template-columns:repeat(3,1fr);gap:40px;display:grid}.mini .shot-img{aspect-ratio:4/3;object-fit:cover;object-position:center;border-radius:10px}.mini h3{margin:12px 0 4px;font-size:16px;font-weight:600}.mini p{color:var(--mute);margin:0;font-size:14px}.dl{grid-template-columns:1fr 1fr;gap:20px;margin-top:28px;display:grid}.dc{border:1px solid var(--line);border-radius:14px;padding:26px}.dc h3{margin:0;font-size:18px;font-weight:600}.dc .v{color:var(--mute);margin:4px 0 18px;font-size:13px}.tag{background:var(--soft);color:var(--mute);vertical-align:middle;border-radius:5px;margin-left:8px;padding:2px 7px;font-size:11px;font-weight:500}.allow{border:1px solid var(--line);border-radius:14px;margin-top:20px;padding:26px;scroll-margin-top:80px;transition:box-shadow .4s}.allow.flash{box-shadow:0 0 0 3px #0071e359}.allow-grid{grid-template-columns:1fr 300px;align-items:center;gap:28px;display:grid}.allow h3{margin:0 0 4px;font-size:16px;font-weight:600}.allow ol{margin:14px 0;padding-left:20px;font-size:14px}.allow ol li{padding:3px 0}.allow .ph.dmg{min-height:200px}details{border-top:1px solid var(--line);padding:14px 0}.allow details{margin-top:18px}#faq details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;font-size:15px;font-weight:500}details p{color:var(--mute);margin:8px 0 0;font-size:14px}.terminal{background:var(--soft);border-radius:8px;align-items:center;gap:8px;margin:10px 0;padding:8px 8px 8px 12px;display:flex}.terminal code{white-space:nowrap;flex:1;font:13px ui-monospace,Menlo,monospace;overflow-x:auto}.terminal button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:6px;padding:3px 10px;font-size:12px}#faq h2{margin-bottom:24px}table{border-collapse:collapse;width:100%;margin-top:10px;font-size:14px}td,th{text-align:left;border-bottom:1px solid var(--line);padding:8px 4px}th{color:var(--mute);font-weight:400}.footer{border-top:1px solid var(--line);color:var(--mute);padding:28px 0;font-size:12px}@media (width<=760px){.w{padding:0 20px}.topbar .w{gap:16px}section{padding:64px 0}.row,.row.r,.dl,.mini,.allow-grid{grid-template-columns:1fr;gap:28px}.row.r .tx{order:0}.ph{min-height:220px}.stage-wrap{padding:0 12px}.stage{height:360px}.gesture{display:none}.facts{text-align:center;flex-direction:column;gap:14px}.rope-sec{min-height:0}.rope-sec h2{font-size:26px}}.lang[data-astro-cid-l4evwy7q]{background:#12161c0f;border-radius:8px;gap:2px;padding:2px;display:flex}.lang[data-astro-cid-l4evwy7q] a[data-astro-cid-l4evwy7q]{color:var(--ink-soft);border-radius:6px;padding:4px 8px;font-size:13px;text-decoration:none}.lang[data-astro-cid-l4evwy7q] a[data-astro-cid-l4evwy7q][aria-current=page]{background:var(--paper);color:var(--ink)}