.nextjs-docker-page{--docker-cyan:#06b6d4;--docker-blue:#2563eb;--docker-violet:#7c3aed;--docker-green:#10b981}
.docker-hero__visual,.docker-article-art{margin:2rem 0 0;border:1px solid rgba(37,99,235,.18);border-radius:24px;overflow:hidden;background:#020617;box-shadow:0 24px 70px rgba(15,23,42,.18)}
.docker-hero__visual img,.docker-article-art img{display:block;width:100%;height:auto}
.docker-article-art figcaption{padding:1rem 1.2rem;background:linear-gradient(135deg,#f8fafc,#eff6ff);color:#334155}
.docker-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin:1.5rem 0 2rem}
.docker-grid section{padding:1.25rem;border:1px solid #dbeafe;border-radius:18px;background:linear-gradient(145deg,#fff,#f8fbff);box-shadow:0 12px 30px rgba(37,99,235,.07)}
.docker-grid h3{margin-top:0;color:#0f3d75}.docker-grid p{margin-bottom:0}
.docker-diagram{margin:1.75rem 0 2rem;border:1px solid #bfdbfe;border-radius:20px;overflow:hidden;background:#f8fbff}
.docker-diagram figcaption{display:grid;gap:.2rem;padding:1rem 1.2rem;background:#eaf4ff}.docker-diagram figcaption span{font-size:.92rem;color:#475569}
.docker-diagram>div{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:.8rem;padding:1.5rem;min-height:150px;background:radial-gradient(circle at 50% 0,rgba(6,182,212,.11),transparent 55%),#fff}
.docker-diagram b,.docker-diagram section,.docker-diagram .node{padding:.85rem 1rem;border:1px solid #bfdbfe;border-radius:14px;background:#fff;box-shadow:0 8px 22px rgba(37,99,235,.08);text-align:center;color:#0f172a}
.docker-diagram section{display:grid;gap:.35rem}.docker-diagram section span{font-size:.85rem;color:#475569}
.docker-diagram i{font-style:normal;font-size:1.4rem;font-weight:800;color:var(--docker-blue)}
.docker-diagram .secure{border-color:#6ee7b7;background:#ecfdf5}.docker-diagram .private{border-color:#c4b5fd;background:#f5f3ff}
.docker-diagram.flow-column>div{flex-direction:column}.docker-diagram.flow-column i{transform:rotate(90deg)}
.docker-diagram.branch>div{display:grid;grid-template-columns:auto auto auto;gap:1rem}.docker-diagram.branch .branch-row{grid-column:1/-1;display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.deployment-steps{counter-reset:deploy;display:grid;gap:.8rem;margin:1.4rem 0 2rem;padding:0;list-style:none}.deployment-steps li{counter-increment:deploy;display:grid;grid-template-columns:44px 1fr;align-items:start;gap:.8rem;padding:1rem;border:1px solid #dbeafe;border-radius:14px;background:#fff}.deployment-steps li:before{content:counter(deploy);display:grid;place-items:center;width:44px;height:44px;border-radius:12px;color:#fff;background:linear-gradient(135deg,var(--docker-blue),var(--docker-violet));font-weight:800}.deployment-steps strong{display:block;margin-bottom:.2rem;color:#0f172a}
.security-checklist{columns:2;column-gap:2rem}.security-checklist li{break-inside:avoid;margin-bottom:.55rem}
@media(max-width:820px){.docker-grid{grid-template-columns:1fr}.docker-diagram.branch>div{display:flex}.security-checklist{columns:1}}
@media(max-width:560px){.docker-hero__visual,.docker-article-art,.docker-diagram{border-radius:14px}.docker-diagram>div{align-items:stretch;flex-direction:column}.docker-diagram i{transform:rotate(90deg)}.docker-diagram b,.docker-diagram section,.docker-diagram .node{width:100%}}