.dh .dh-learn-h1 em{color:var(--dh-cyan)}.dh .dh-learn-setup{border-left:3px solid var(--dh-cyan);background:var(--dh-panel);color:#f2f4f7cc;border-radius:0 6px 6px 0;max-width:62em;margin-top:clamp(20px,2.4vw,30px);padding:14px 18px;font-size:15px;line-height:1.6}.dh .dh-learn-setup a{color:var(--dh-cyan);overflow-wrap:anywhere}.dh-learn-jump{margin-top:clamp(18px,2.2vw,26px)}.dh-learn-block{scroll-margin-top:calc(var(--site-header-h,92px) + 16px);margin-top:clamp(30px,4vw,54px)}.dh-learn-head{border-bottom:1px solid #ffffff1a;padding-bottom:14px}.dh-learn-links{columns:4 240px;counter-reset:tutorial;column-gap:clamp(20px,3vw,44px);margin:0;padding:0;list-style:none}.dh-learn-links li{break-inside:avoid;counter-increment:tutorial;border-bottom:1px solid #ffffff0f;align-items:baseline;gap:12px;padding:11px 0;display:flex}.dh-learn-links li:before{content:counter(tutorial, decimal-leading-zero);color:var(--accent,var(--dh-cyan));font:400 11px/1.4 var(--dh-mono);letter-spacing:.06em;opacity:.85;flex:none}.dh .dh-learn-links a{color:#f2f4f7e6;font-size:15px;line-height:1.4}.dh .dh-learn-links a:hover{color:var(--accent,var(--dh-cyan))}.dh .dh-learn-links a:visited{color:#f2f4f799}@media (max-width:640px){.dh-learn-links li:before{font-size:12px}}.dh-learn-cta{flex-wrap:wrap;gap:12px;margin-top:18px;display:flex}.dh .dh-vid-lede a{color:var(--dh-cyan)}.dh-learn-doors{grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(12px,1.4vw,18px);margin-top:24px;display:grid}.dh a.dh-learn-door{border:1px solid #ffffff17;border-top:2px solid var(--accent,var(--dh-cyan));background:var(--dh-panel);min-width:0;color:inherit;border-radius:6px;flex-direction:column;gap:8px;padding:clamp(16px,1.6vw,22px);text-decoration:none;transition:border-color .15s,transform .15s;display:flex}.dh a.dh-learn-door:hover{border-color:var(--accent,var(--dh-cyan));transform:translateY(-2px)}.dh-learn-door-k{color:var(--accent,var(--dh-cyan));font:500 11px/1 var(--dh-mono);letter-spacing:.16em;text-transform:uppercase}.dh .dh-learn-door-t{color:#fff;font:500 clamp(18px, 1.6vw, 21px) / 1.2 var(--dh-sans);letter-spacing:-.02em;margin:0}.dh-learn-door-x{color:#f2f4f7b8;font-size:14px;line-height:1.5}.dh-learn-door-f{flex-direction:column;gap:6px;margin-top:auto;padding-top:12px;display:flex}.dh-learn-door-f b{color:#fff;font:600 14px/1 var(--dh-sans);font-variant-numeric:tabular-nums}.dh-learn-door-f i{color:var(--accent,var(--dh-cyan));font-size:13.5px;font-style:normal;font-weight:500}@media (max-width:1000px){.dh-learn-doors{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:560px){.dh-learn-doors{grid-template-columns:minmax(0,1fr)}.dh-learn-door-k{letter-spacing:.08em;font-size:12px}}