:root{color-scheme:dark;--fl-bg:#10121b;--fl-panel:#191d2b;--fl-ink:#f0f1fa;--fl-muted:#b4bbd0;--fl-line:#33394e;--fl-accent:#b2a2ff;--fl-font:"Onest",Inter,system-ui,-apple-system,"Segoe UI",sans-serif}*{box-sizing:border-box}html{scroll-padding-top:150px}body{margin:0;background:var(--fl-bg);color:var(--fl-ink);font-family:var(--fl-font);font-size:17px;line-height:1.75}a{color:var(--fl-accent);text-underline-offset:4px}a:focus-visible,summary:focus-visible,video:focus-visible{outline:3px solid var(--fl-accent);outline-offset:5px;border-radius:5px}.fl-skip{position:absolute;left:16px;top:-100px;background:var(--fl-panel);padding:12px;z-index:2000}.fl-skip:focus{top:12px}.fl-main{max-width:1240px;margin:auto;padding:40px 32px 90px;min-width:0}.fl-crumbs{display:flex;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--fl-muted)}.fl-crumbs a{color:var(--fl-muted)}.fl-hero{padding:64px 0 34px}.fl-kicker{color:var(--fl-accent);font-size:12px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;margin:0 0 14px}.fl-hero h1{max-width:1000px;font-size:clamp(34px,4.9vw,64px);line-height:1.12;letter-spacing:-.045em;font-weight:600;margin:0 0 24px;text-wrap:balance}.fl-lead{font-size:clamp(19px,2.3vw,25px);line-height:1.55;color:var(--fl-muted);max-width:940px;margin:0}.fl-actions{display:flex;align-items:center;flex-wrap:wrap;gap:24px;margin-top:30px}.fl-actions a{min-height:48px;display:inline-flex;align-items:center;gap:12px}.fl-primary{background:#7760df;border:1px solid #9c89fa;color:#fff;padding:13px 22px;border-radius:12px;text-decoration:none;font-weight:600}.fl-primary:hover{background:#8b71f0}.fl-highlights{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;list-style:none;margin:42px 0 0;padding:26px 0;border-top:1px solid var(--fl-line)}.fl-highlights li{font-size:15px;color:var(--fl-muted);padding-left:18px;border-left:2px solid #7965c8}.fl-toc{position:sticky;top:75px;z-index:4;background:#161a27f5;backdrop-filter:blur(12px);display:flex;gap:22px;padding:18px 22px;border:1px solid var(--fl-line);border-radius:12px;overflow:auto;font-size:14px}.fl-toc a{white-space:nowrap;text-decoration:none;color:var(--fl-muted)}.fl-toc a:hover{color:#fff}.fl-section{padding-top:72px;scroll-margin-top:150px}.fl-section h2,.fl-final h2{font-size:clamp(27px,3vw,38px);line-height:1.24;letter-spacing:-.03em;font-weight:600;margin:0 0 24px;text-wrap:balance}.fl-context,.fl-conditions{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px}.fl-context p,.fl-conditions p{margin-top:0;color:var(--fl-muted)}.fl-section-intro{max-width:900px;color:var(--fl-muted);margin-bottom:30px}.fl-steps{list-style:none;padding:0;margin:30px 0;display:grid;grid-template-columns:1fr 1fr;gap:16px}.fl-steps li{display:flex;gap:18px;padding:26px;border:1px solid var(--fl-line);border-radius:16px;background:var(--fl-panel)}.fl-step-number{font-size:14px;color:var(--fl-accent);font-weight:700;padding-top:3px}.fl-steps h3{font-size:20px;line-height:1.35;margin:0 0 12px;font-weight:600}.fl-steps p{font-size:16px;color:var(--fl-muted);margin:0}.fl-location{border-left:3px solid #a78bfa;background:#211d35;border-radius:0 12px 12px 0;padding:20px 24px}.fl-location p{margin:8px 0 0;font-size:16px;color:#d1cde4}.fl-figure{margin:32px 0 48px}.fl-frame{border:1px solid #4b4e63;border-radius:16px;overflow:hidden;background:#090b11;box-shadow:0 18px 60px #0003}.fl-window{display:flex;align-items:center;gap:20px;justify-content:space-between;padding:11px 18px;font-size:12px;color:#b8bed2;background:#242839}.fl-window>span:first-child{color:#817899;font-size:10px;letter-spacing:3px}.fl-frame img,.fl-frame video{display:block;width:100%;height:auto;max-width:100%}.fl-frame a{display:block}.fl-figure figcaption{font-size:14px;line-height:1.65;color:var(--fl-muted);max-width:1000px;margin:14px auto 0;padding-inline:8px}.fl-figure figcaption a{display:inline-block;margin-left:6px}.fl-conditions{padding-bottom:38px;border-bottom:1px solid var(--fl-line)}.fl-faq details{border-bottom:1px solid var(--fl-line);padding:20px 0}.fl-faq summary{cursor:pointer;font-size:20px;font-weight:500}.fl-faq details p{color:var(--fl-muted);max-width:920px;font-size:16px}.fl-related{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.fl-related a{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:22px;background:var(--fl-panel);border:1px solid var(--fl-line);border-radius:12px;text-decoration:none;font-size:16px}.fl-final{margin-top:72px;padding:40px;background:linear-gradient(125deg,#29213d,#1a2032);border:1px solid #594c7b;border-radius:22px}.fl-final p:not(.fl-kicker){max-width:860px;color:#c6c5da}.fl-directory{padding-top:30px}.fl-directory h1{font-size:clamp(32px,5vw,52px);line-height:1.15}.fl-directory .fl-intro{max-width:900px;font-size:20px;color:var(--fl-muted)}
@media(max-width:800px){.fl-main{padding:26px 22px 60px}.fl-hero{padding-top:40px}.fl-highlights{gap:16px}.fl-context,.fl-conditions{grid-template-columns:1fr;gap:12px}.fl-section{padding-top:52px}.fl-steps{grid-template-columns:1fr}.fl-related{grid-template-columns:1fr}.fl-toc{top:64px;padding:14px 16px;gap:20px}.fl-final{padding:28px}.fl-steps li{padding:22px}}
@media(max-width:480px){body{font-size:16px}.fl-main{padding-inline:18px}.fl-hero h1{font-size:34px;overflow-wrap:break-word}.fl-hero{padding-bottom:20px}.fl-lead{font-size:20px}.fl-highlights{grid-template-columns:1fr;gap:16px;margin-top:30px}.fl-actions{gap:16px}.fl-actions .fl-primary{width:100%;justify-content:center}.fl-steps li{gap:12px;padding:20px}.fl-window{font-size:10px;padding:8px 10px;gap:8px}.fl-figure{margin-inline:-6px}.fl-frame{border-radius:10px}.fl-faq summary{font-size:18px}.fl-final{padding:24px}.fl-toc{margin-inline:-6px}.fl-final h2{font-size:29px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.fl-toc{backdrop-filter:none}}

/* Keep the authored directory consistent with the landing visual system. */
:root{--bg:var(--fl-bg);--panel:var(--fl-panel);--text:var(--fl-ink);--muted:var(--fl-muted);--line:var(--fl-line);--accent:var(--fl-accent)}

.fl-frame video::cue{font-size:18px;color:#fff;background:#10121be8}
.fl-video-chapters{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:8px;margin-top:18px}.fl-video-chapters button{font:inherit;font-size:14px;line-height:1.5;text-align:left;cursor:pointer;color:var(--fl-ink);background:var(--fl-panel);border:1px solid var(--fl-line);border-radius:10px;padding:12px 14px}.fl-video-chapters button span{color:var(--fl-accent);font-variant-numeric:tabular-nums;margin-right:6px}.fl-video-chapters button:hover{background:#30283f}.fl-video-chapters button:focus-visible{outline:3px solid var(--fl-accent);outline-offset:3px}.fl-video-credit{font-size:12px;color:var(--fl-muted);overflow-wrap:anywhere}video::cue{font-family:system-ui,sans-serif;background:#171426ed;color:white}