:root{--paper:#fff;--canvas:#f7f8fb;--ink:#101828;--muted:#667085;--line:#eaecf0;--purple:#6941c6;--purple-hover:#53389e;--purple-soft:#f4f0ff;--radius:8px;--width:1280px;--font:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI','Apple SD Gothic Neo','Malgun Gothic',Arial,'NanumGothic',sans-serif;color-scheme:light;font-synthesis:none}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;background:var(--canvas);color:var(--ink);font:400 16px/1.6 var(--font);-webkit-font-smoothing:antialiased}
button,input,textarea{font:inherit}
a{color:inherit;text-decoration:none}
button{cursor:pointer}
button,a{-webkit-tap-highlight-color:transparent}
button:focus-visible,a:focus-visible{outline:3px solid #a48be2;outline-offset:4px}
h1:focus,#content:focus{outline:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:fixed;top:10px;left:16px;z-index:10;background:#fff;padding:8px 16px;border:1px solid var(--purple);transform:translateY(-180%)}
.skip-link:focus{transform:none}
.site-header{height:64px;background:#fff;border-bottom:1px solid var(--line)}
.header-inner{max-width:var(--width);margin:auto;height:100%;display:flex;align-items:center;gap:18px;padding:0 4px}
.wordmark{display:inline-flex;align-items:center;gap:10px;font-size:23px;font-weight:700;letter-spacing:-.6px;line-height:1.1;flex:none}
.wordmark img{border-radius:7px}
.site-kind{font-size:13px;margin:0;padding-left:18px;border-left:1px solid #d0d5dd;color:var(--muted)}
.header-install{margin-left:auto;color:var(--purple);font-size:14px;font-weight:600}
.header-install:hover{text-decoration:underline;text-underline-offset:4px}
.header-install span{margin-left:4px}
.site-shell{width:calc(100% - 48px);max-width:var(--width);margin:20px auto;height:calc(100svh - 104px)}
body[data-view=feature] .site-shell{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 1px 3px rgb(16 24 40 / 4%);display:grid;grid-template-rows:58px minmax(0,1fr);overflow:hidden}
main{min-height:0;height:100%}
body[data-view=feature] main{padding:20px 28px 18px}
h1{word-break:keep-all;font-size:29px;font-weight:700;line-height:1.3;letter-spacing:-.8px;margin:0}
.feature-nav{position:relative;display:flex;border-bottom:1px solid var(--line);background:#fff;min-height:0}
.feature-nav a{display:flex;justify-content:center;align-items:center;gap:9px;flex:1;min-width:0;font-size:15px;font-weight:600;color:var(--muted);white-space:nowrap;transition:color 160ms,background 160ms;border-right:1px solid var(--line)}
.feature-nav a:nth-last-of-type(1){border-right:0}
.feature-nav a:hover{background:#faf9fd;color:var(--purple)}
.feature-nav a[aria-current]{color:var(--purple);background:var(--purple-soft)}
.feature-icon{width:23px;height:23px;flex:none;color:var(--purple)}
.feature-nav .feature-icon{width:19px;height:19px;color:currentColor}
.nav-indicator{height:2px;background:var(--purple);position:absolute;bottom:-1px;left:0;transition:transform 240ms ease,width 240ms ease;pointer-events:none}
.home{height:100%;display:grid;grid-template-rows:minmax(0,1fr) 104px;gap:18px}
.home-stage{display:grid;grid-template-columns:minmax(300px,.85fr) minmax(0,1.4fr);gap:36px;align-items:center;min-height:0;padding:36px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 1px 3px rgb(16 24 40 / 3%)}
.home-copy{min-width:0}
.home h1{font-size:clamp(30px,3vw,42px);line-height:1.4;letter-spacing:-1.4px}
.home-description{font-size:17px;line-height:1.85;margin:20px 0 28px;word-break:keep-all;color:#475467}
.home-product{margin:0;min-width:0;height:100%;max-height:510px;display:grid;grid-template-rows:36px minmax(0,1fr) 44px;border:1px solid #e1e4eb;overflow:hidden;border-radius:9px;background:#fff;box-shadow:0 3px 14px rgb(16 24 40 / 5%)}
.preview-heading{display:flex;align-items:center;gap:7px;padding:0 13px;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted);background:#fcfcfd}
.preview-dot{width:7px;height:7px;border-radius:50%;background:#a48be2}
.overview-video{display:block;width:100%;height:100%;min-height:0;object-fit:contain;background:#fff}
.preview-caption{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 12px;font-size:12px;color:var(--muted);border-top:1px solid var(--line)}
.overview-toggle{padding:5px 9px;min-height:30px;background:#fff;border:1px solid var(--line);border-radius:5px;color:#475467;font-size:12px;white-space:nowrap}
.overview-toggle:hover{background:var(--purple-soft);color:var(--purple)}
.button{display:inline-flex;justify-content:center;align-items:center;gap:11px;min-height:46px;padding:10px 20px;border:1px solid transparent;border-radius:var(--radius);background:var(--purple);color:#fff;font-size:15px;font-weight:600;line-height:1.4;text-align:center;transition:background 160ms,transform 120ms;white-space:nowrap}
.button:hover{background:var(--purple-hover)}
.button:active,.retry-button:active{transform:translateY(1px)}
.arrow{width:19px;height:19px;flex:none;transition:transform 160ms ease}
.arrow-left{transform:rotate(180deg)}
.button:hover .arrow-right{transform:translateX(3px)}
.back-link:hover .arrow-left{transform:rotate(180deg) translateX(3px)}
.home-features{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;min-height:0}
.home-features a{display:flex;align-items:flex-start;gap:12px;min-width:0;padding:18px;background:#fff;border:1px solid var(--line);border-radius:9px;transition:border-color 160ms,background 160ms}
.home-features a:hover{background:#fbfaff;border-color:#d6c9ef}
.home-features a>div{display:flex;flex-direction:column;gap:6px;min-width:0}
.home-features strong{font-size:15px;font-weight:600;line-height:1.3}
.home-features span{font-size:13px;line-height:1.6;color:var(--muted);word-break:keep-all}
.home-features .arrow{width:15px;height:15px;margin-left:auto;align-self:center;color:#98a2b3}
.feature{height:100%;min-height:0;display:grid;grid-template-rows:auto minmax(0,1fr) 18px auto;gap:10px}
.feature-intro{display:grid;grid-template-columns:1fr auto;align-items:center;gap:5px 20px}
.step-count{grid-row:1;grid-column:2;font-size:13px;margin:0;color:var(--muted);font-variant-numeric:tabular-nums}
.feature-intro h1{grid-row:1;grid-column:1}
.feature-description{grid-row:2;grid-column:1/-1;font-size:16px;line-height:1.65;word-break:keep-all;margin:0 0 6px;color:#475467;min-height:27px}
.media-slot{display:flex;align-items:center;justify-content:center;min-height:0;container-type:size}
.video-frame{position:relative;width:min(100cqw,177.777cqh);aspect-ratio:16/9;max-height:100%;background:#fff;border:1px solid var(--line);overflow:hidden;border-radius:8px}
.video-frame video{display:block;width:100%;height:100%;object-fit:contain;background:#fff}
.video-frame[data-state=idle] video,.video-frame[data-state=ended] video{filter:brightness(1);transition:filter 180ms}
.video-frame[data-state=idle]:hover video{filter:brightness(1)}
.play-button{position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%);display:grid;place-items:center;width:62px;height:62px;padding:0;border:1px solid #e4e7ec;border-radius:50%;background:#fff;color:var(--purple);box-shadow:0 3px 12px rgb(16 24 40 / 10%);transition:transform 160ms}
.play-button:hover{transform:translate(-50%,-50%) scale(1.06)}
.play-button:active{transform:translate(-50%,-50%) scale(.98)}
.play-button svg{width:28px;height:28px;margin-left:1px}
.video-loading,.video-error{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:10px;padding:20px;background:rgba(255,255,255,.95);font-size:15px;text-align:center}
.video-error{flex-direction:column}
.video-error p{margin:0}
.retry-button{background:#fff;color:var(--ink);padding:8px 18px;min-height:40px;border:1px solid #d0d5dd;border-radius:var(--radius)}
.loading-dot{width:8px;height:8px;background:var(--purple);border-radius:50%;animation:loading 1s ease-in-out infinite alternate}
.feature-note{font-size:12px;line-height:18px;color:var(--muted);margin:0;min-height:18px;text-align:center}
.page-actions{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:12px}
.back-link{min-height:44px;display:inline-flex;align-items:center;gap:8px;font-size:14px;line-height:1.5;color:#475467}
.next-action{display:flex;align-items:center;gap:18px}
.restart-link{font-size:12px;color:var(--muted);text-decoration:underline;text-underline-offset:3px;order:-1}
.attention-once{animation:attention 1300ms ease-out 700ms 1}
body[data-view=home] .home-copy h1{animation:entrance 320ms ease-out both}
body[data-view=home] .home-description{animation:entrance 320ms ease-out 60ms both}
body[data-view=home] .home-product{animation:entrance 360ms ease-out 120ms both}
body[data-view=home] .home-features{animation:entrance 320ms ease-out 180ms both}
.noscript{max-width:800px;margin:60px auto;padding:24px}.noscript a{text-decoration:underline}
@keyframes entrance{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes attention{0%,100%{outline:1px solid transparent;outline-offset:3px}50%{outline:1px solid #b39adf;outline-offset:5px}}
@keyframes loading{from{opacity:.35}to{opacity:1}}
@media(max-width:1340px){.header-inner{padding:0 24px}.home-stage{padding:28px;gap:28px}.home h1{font-size:36px}.home-features a{padding:16px 14px;gap:9px}.home-features .arrow{display:none}}
@media(max-height:800px) and (min-width:851px){.site-shell{margin:14px auto;height:calc(100svh - 92px)}.home{grid-template-rows:minmax(0,1fr) 94px;gap:12px}.home-stage{padding:24px;gap:26px}.home h1{font-size:34px}.home-description{font-size:16px;margin:16px 0 22px}.home-features a{padding:14px}.home-product{max-height:400px}body[data-view=feature] .site-shell{grid-template-rows:52px minmax(0,1fr)}body[data-view=feature] main{padding:16px 24px 14px}.feature{gap:8px}.feature h1{font-size:26px}.feature-description{font-size:15px}.page-actions{padding-top:10px}.button{min-height:42px}.preview-heading{font-size:11px}.preview-caption{font-size:11px}}
@media(max-width:850px){.site-kind{display:none}.site-shell{width:calc(100% - 28px);margin:14px auto;height:auto;min-height:calc(100svh - 92px)}.home{height:auto;min-height:calc(100svh - 92px);grid-template-rows:minmax(0,1fr) auto;gap:12px}.home-stage{grid-template-columns:1fr 1.3fr;padding:24px;gap:24px;min-height:340px}.home h1{font-size:30px;letter-spacing:-1px}.home-description{font-size:15px;margin:14px 0 20px}.home-product{min-height:250px;max-height:340px}.home-features{grid-template-columns:repeat(2,1fr);gap:10px}.home-features a{padding:14px}.home-features span{font-size:12px}.header-inner{padding:0 20px}.feature-nav a{font-size:14px;gap:7px}.feature-nav .feature-icon{width:18px;height:18px}.feature{min-height:calc(100svh - 210px);grid-template-rows:auto minmax(160px,1fr) 18px auto}.media-slot{min-height:0}body[data-view=feature] .site-shell{height:calc(100svh - 92px);min-height:0;grid-template-rows:54px minmax(0,1fr)}body[data-view=feature] main{padding:20px}.feature{min-height:0}.feature-description{min-height:52px;font-size:15px}.feature h1{font-size:26px}.next-action{gap:10px}.restart-link{font-size:11px}.button{padding:10px 14px;font-size:14px}}
@media(max-width:600px){.site-header{height:58px}.header-inner{padding:0 16px;gap:10px}.wordmark{font-size:21px;gap:8px}.wordmark img{width:25px;height:25px}.header-install{font-size:12px}.site-shell{width:calc(100% - 24px);margin:12px auto;min-height:calc(100svh - 82px)}.home{min-height:calc(100svh - 82px);height:auto;gap:10px}.home-stage{grid-template-columns:1fr;padding:23px;gap:22px;align-content:center}.home h1{font-size:29px;line-height:1.35}.home-description{font-size:14px;line-height:1.7;margin:12px 0 18px}.desktop-break{display:none}.button{min-height:42px;font-size:14px;padding:9px 15px}.home-product{min-height:0;height:auto;grid-template-rows:28px auto 34px}.overview-video{aspect-ratio:16/9;height:auto}.preview-heading{font-size:10px;padding:0 9px}.preview-caption{font-size:10px;padding:0 8px;gap:4px}.overview-toggle{font-size:10px;min-height:24px;padding:3px 6px}.home-features{gap:8px}.home-features a{padding:12px 10px;gap:8px}.home-features strong{font-size:13px}.home-features span{font-size:11px;line-height:1.55}.home-features .feature-icon{width:18px;height:18px}.home-features a>div{gap:3px}body[data-view=feature] .site-shell{height:calc(100svh - 82px);grid-template-rows:50px minmax(0,1fr)}.feature-nav a{gap:0;font-size:12px}.feature-nav .feature-icon{display:none}body[data-view=feature] main{padding:16px 14px 14px}.feature{gap:9px}.feature-intro{gap:7px 8px}.feature h1{font-size:23px;letter-spacing:-.6px}.step-count{font-size:11px}.feature-description{font-size:14px;line-height:1.7;min-height:72px;margin:0}.feature-note{font-size:11px}.page-actions{gap:8px;padding-top:10px}.back-link{font-size:12px;gap:5px;min-height:40px}.back-link .arrow{width:15px}.next-action{flex-direction:column;align-items:flex-end;justify-content:center;min-height:61px;gap:5px}.next-action .button{font-size:12px;gap:6px;padding:9px 12px;min-height:40px}.next-action .arrow{width:16px;height:16px}.restart-link{font-size:10px;order:0}.play-button{width:48px;height:48px}.play-button svg{width:24px;height:24px}.video-loading,.video-error{font-size:13px}.retry-button{font-size:13px;min-height:36px}}
@media(max-width:360px){.home-stage{padding:18px}.home h1{font-size:26px}.home-description{font-size:13px}.home-features a{padding:10px 8px}.home-features .feature-icon{display:none}.home-features span{font-size:11px}.feature-description{min-height:96px}.header-install{font-size:11px}.wordmark{font-size:20px}}
@media(max-height:660px){body[data-view=feature] .site-shell{height:auto;min-height:calc(100svh - 82px)}body[data-view=feature] main{height:auto}.feature{height:auto;grid-template-rows:auto auto 18px auto}.media-slot{container-type:normal;min-height:0}.video-frame{width:100%;max-height:none}.home{height:auto;min-height:0}.home-stage{min-height:0}.site-shell{height:auto}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}