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(width<=520px){.circle-detail-hero[data-astro-cid-5vmrem2r]{align-items:flex-start;gap:14px;padding:16px}.circle-detail-thumb[data-astro-cid-5vmrem2r]{flex-basis:82px}.circle-detail-eyebrow[data-astro-cid-5vmrem2r]{letter-spacing:.04em;margin-bottom:8px}}.circle-course-intro[data-astro-cid-kgfwry4p]{color:#153b3bd1;border-left:3px solid #e56a45;max-width:44rem;margin:0 auto clamp(32px,5vw,52px);padding-left:clamp(18px,3vw,28px);font-family:Georgia,Songti SC,STSong,serif;font-size:clamp(1.2rem,2.3vw,1.55rem);line-height:1.9}.circle-cover[data-astro-cid-web5p5tf]{--ink:#153b3b;--muted:#58706c;--paper:#f4f0e6;--signal:#e56a45;--rail-width:clamp(32px, 7.5cqw, 42px);aspect-ratio:4/5;isolation:isolate;width:100%;max-width:560px;min-height:clamp(480px,125cqw,700px);color:var(--ink);background:var(--paper);position:relative;overflow:hidden;box-shadow:0 24px 55px #153b3b29;container-type:inline-size}.circle-cover--card[data-astro-cid-web5p5tf]{max-width:none;height:100%;min-height:0;box-shadow:none}.cover-paper-grain[data-astro-cid-web5p5tf],.cover-grid[data-astro-cid-web5p5tf]{pointer-events:none;position:absolute;inset:0}.cover-paper-grain[data-astro-cid-web5p5tf]{z-index:-1;opacity:.24;mix-blend-mode:multiply;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.13'/%3E%3C/svg%3E")}.cover-grid[data-astro-cid-web5p5tf]{z-index:-1;opacity:.28;background-image:linear-gradient(#153b3b0f 1px,#0000 1px),linear-gradient(90deg,#153b3b0f 1px,#0000 1px);background-size:32px 32px;mask-image:linear-gradient(#000,#0000 75%)}.cover-rail[data-astro-cid-web5p5tf]{width:var(--rail-width);color:var(--paper);background:var(--ink);letter-spacing:.16em;flex-direction:column;justify-content:space-between;align-items:center;padding:24px 0 30px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;display:flex;position:absolute;top:0;bottom:0;left:0}.cover-rail-title[data-astro-cid-web5p5tf],.cover-rail-brand[data-astro-cid-web5p5tf] span[data-astro-cid-web5p5tf]{writing-mode:vertical-rl}.cover-rail-brand[data-astro-cid-web5p5tf]{flex-direction:column;align-items:center;gap:5px;display:flex}.cover-rail-logo[data-astro-cid-web5p5tf]{object-fit:contain;width:clamp(16px,4cqw,20px);height:clamp(16px,4cqw,20px);display:block}.cover-content[data-astro-cid-web5p5tf]{height:100%;margin-left:var(--rail-width);flex-direction:column;padding:clamp(24px,5cqw,32px) clamp(24px,7.5cqw,42px) clamp(22px,5cqw,28px);display:flex;position:relative}.cover-header[data-astro-cid-web5p5tf]{color:var(--muted);letter-spacing:.11em;justify-content:flex-start;align-items:center;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;display:flex}.cover-heading[data-astro-cid-web5p5tf]{z-index:1;max-width:min(300px,70cqw);margin-top:clamp(42px,11cqw,64px);position:relative}.cover-kicker[data-astro-cid-web5p5tf]{color:var(--signal);letter-spacing:.13em;margin:0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px}.cover-kicker[data-astro-cid-web5p5tf] span[data-astro-cid-web5p5tf]{color:var(--muted);margin:0 5px}h1[data-astro-cid-web5p5tf]{max-width:100%;color:var(--ink);letter-spacing:-.08em;margin:0;font-family:Georgia,Songti SC,STSong,serif;font-size:clamp(2.4rem,8.5cqw,3.75rem);font-weight:700;line-height:1.08}h1[data-astro-cid-web5p5tf] span[data-astro-cid-web5p5tf]{display:block}.circle-visual[data-astro-cid-web5p5tf]{flex:1 1 0;justify-content:flex-end;align-items:flex-end;width:calc(100% + clamp(70px,28cqw,160px));min-height:0;margin:0 clamp(-160px,-28cqw,-70px) 0 0;display:flex;position:relative}.circle-visual[data-astro-cid-web5p5tf] svg[data-astro-cid-web5p5tf]{object-fit:contain;object-position:right bottom;width:100%;height:100%;min-height:clamp(180px,48cqw,280px);display:block}@container (width<=420px){.cover-content[data-astro-cid-web5p5tf]{padding:24px 24px 22px}.cover-heading[data-astro-cid-web5p5tf]{margin-top:42px}.circle-visual[data-astro-cid-web5p5tf]{width:calc(100% + 34cqw);margin-right:-34cqw}.circle-visual[data-astro-cid-web5p5tf] svg[data-astro-cid-web5p5tf]{min-height:clamp(180px,48cqw,220px)}}