.article-hero { padding: 72px 0 54px; color: var(--white); background-color: var(--primary); background-position: center; background-size: cover; }
.article-hero h1 { color: var(--white); max-width: 900px; margin: 10px auto 14px; font-size: clamp(30px, 5vw, 50px); }
.article-hero p { color: rgba(255,255,255,.88); max-width: 760px; margin: 0 auto; }
.article-meta { color: #ffd4bd; font-size: .82rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 42px; align-items: start; max-width: 1100px; }
.article-body { background: var(--white); border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: clamp(24px, 5vw, 52px); box-shadow: var(--shadow-sm); }
.article-body .intro { color: var(--text-dark); font-size: 1.08rem; line-height: 1.8; border-left: 4px solid var(--accent); padding-left: 18px; }
.article-body h2 { display: block; margin: 38px 0 14px; font-size: clamp(23px, 3vw, 30px); }
.article-body h3 { color: var(--secondary); margin: 24px 0 8px; font-size: 1.15rem; }
.article-body p { margin-bottom: 16px; line-height: 1.8; }
.article-body ul, .article-body ol { margin: 0 0 20px 22px; }
.article-body li { margin-bottom: 9px; line-height: 1.7; }
.article-note { background: var(--bg-mist); border-radius: var(--radius-sm); padding: 20px; margin: 26px 0; border-left: 4px solid var(--secondary); }
.article-sidebar { position: sticky; top: 110px; display: grid; gap: 20px; }
.article-side-card { padding: 24px; background: var(--white); border: 1px solid var(--border-color); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
.article-side-card h3 { margin-bottom: 12px; color: var(--primary); }
.article-side-card a:not(.btn) { display: block; color: var(--secondary); padding: 7px 0; text-decoration: none; font-weight: 600; border-bottom: 1px solid var(--border-color); }
.article-side-card a:not(.btn):hover { color: var(--accent); }
.article-related { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.article-related a { padding: 18px; border: 1px solid var(--border-color); border-radius: var(--radius-sm); text-decoration: none; color: var(--primary); font-weight: 700; background: var(--bg-mist); }
.article-related a:hover { border-color: var(--secondary); transform: translateY(-2px); }
@media (max-width: 850px) { .article-layout { grid-template-columns: 1fr; } .article-sidebar { position: static; } }
@media (max-width: 560px) { .article-related { grid-template-columns: 1fr; } .article-hero { padding: 54px 0 42px; } }