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.15s;display:inline-flex}.btn:hover{background:var(--brand-h);color:#fff}.btn-sm{gap:6px;height:36px;padding:0 16px;font-size:13px}.note{color:var(--n500);margin:12px 0 0;font-size:14px}.sec{padding:80px 24px}.sec.white{background:var(--white)}@media (width>=640px){.sec{padding:128px 40px}}.stack{flex-direction:column;gap:48px;display:flex}@media (width>=640px){.stack{gap:64px}}.head{text-align:center}.kicker{letter-spacing:.18em;text-transform:uppercase;color:var(--n500);align-items:center;gap:12px;margin-bottom:20px;font-size:11px;font-weight:500;display:inline-flex}.kicker:before{content:"";background:var(--brand);width:32px;height:1px}h1,h2,h3{color:var(--n900);text-wrap:balance;margin:0;font-weight:600}h2{letter-spacing:-.025em;font-size:clamp(1.75rem,4vw,3rem);line-height:1.1}.head h2{max-width:48rem;margin:0 auto}.lead{max-width:36rem;color:var(--n600);margin:20px auto 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0;padding:22px 26px}.toc b{letter-spacing:.18em;text-transform:uppercase;color:var(--n500);align-items:center;gap:12px;margin-bottom:10px;font-size:11px;font-weight:500;display:inline-flex}.toc b:before{content:"";background:var(--brand);width:32px;height:1px}.toc ol{margin:0;padding-left:20px}.toc li{margin-bottom:4px;font-size:15px}.toc a{color:var(--n700);text-decoration:none}.toc a:hover{color:var(--brand)}.figure{border:1px solid var(--n200);border-radius:var(--rxl);background:var(--scene);box-shadow:var(--shadow-card);margin:32px 0;overflow:hidden}.figure figcaption{border-top:1px solid var(--n200);background:var(--white);color:var(--n500);padding:12px 16px;font-size:13px}.table-wrap{border:1px solid var(--n200);border-radius:var(--r);background:var(--white);margin:24px 0;overflow-x:auto}table{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%;font-size:15px}th,td{text-align:left;vertical-align:top;border-bottom:1px solid var(--n200);color:var(--n700);padding:11px 14px}th{background:var(--n50);letter-spacing:.12em;text-transform:uppercase;color:var(--n500);font-size:11px;font-weight:500}td.n,th.n{text-align:right;white-space:nowrap}tr.total td{color:var(--n900);background:var(--n50);font-weight:600}tbody tr:last-child td{border-bottom:0}@media (width<=600px){table{font-size:14px}th,td{padding:9px 8px}}.article .box{max-width:none;margin:28px 0}.article .box p{font-size:16px}.tag{background:var(--brand);color:#fff;letter-spacing:.14em;text-transform:uppercase;border-radius:999px;margin-bottom:10px;padding:3px 10px;font-size:11px;font-weight:500;display:inline-block}.stud{border:1px solid var(--n200);border-radius:var(--r);background:var(--white);box-shadow:var(--shadow-card);margin:64px 0 0;padding:28px}@media (width>=640px){.stud{padding:36px}}.stud h2{margin-top:0}.stud .note{color:var(--n500);font-size:14px}.more-guides{margin:48px 0 0}.article .more-guides h2{letter-spacing:.18em;text-transform:uppercase;color:var(--n500);margin:0 0 16px;font-size:11px;font-weight:500}.more-guides ul{gap:12px;margin:0;padding:0;list-style:none;display:grid}.article .more-guides li{margin:0}.more-guides a{border:1px solid var(--n200);border-radius:var(--r);background:var(--white);align-items:flex-start;gap:16px;padding:12px;display:flex}.more-guides img{aspect-ratio:16/9;object-fit:cover;border:1px solid var(--n200);border-radius:calc(var(--r) / 2);background:var(--scene);flex:none;width:88px;height:auto}.more-guides b{color:var(--n900);font-size:16px;font-weight:600;line-height:1.35;display:block}.more-guides a span span{color:var(--n600);margin-top:4px;font-size:14px;line-height:1.5;display:block}@media (width>=640px){.more-guides img{width:144px}}.related{border-top:1px solid var(--n200);margin:48px 0 0;padding-top:24px}.related 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.lang-link{letter-spacing:.06em;font-weight:600}.lang-banner{z-index:50;background:var(--brand);color:#fff;white-space:nowrap;border-radius:999px;align-items:center;gap:8px;max-width:calc(100% - 32px);padding:8px 8px 8px 18px;font-size:14px;display:flex;position:fixed;bottom:16px;left:50%;transform:translate(-50%);box-shadow:0 12px 32px #0000002e}.lang-banner[hidden]{display:none}.lang-banner a{color:#fff;font-weight:500}.lang-banner a:hover{color:#fff}.lang-banner button{color:#fff;cursor:pointer;background:0 0;border:0;border-radius:999px;width:32px;height:32px;font-size:20px;line-height:1}.lang-banner button:hover{background:#ffffff26}.article .summary{margin:0 0 32px}.article .summary h2{letter-spacing:0;margin:0 0 6px;font-size:17px}.author-big{width:96px;height:96px;margin:0 auto 20px;font-size:30px}.author-page .author-links{margin:32px 0 16px}.author-in{vertical-align:-2px;color:var(--n500);margin-left:4px;transition:color 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