.art-hero{padding:56px 0 0;background:radial-gradient(900px 400px at 85% -20%,rgba(27,152,196,.10),transparent),var(--bg-soft)}
.art-hero .container{max-width:880px}
.art-cat-badge{display:inline-flex;align-items:center;gap:7px;font-size:.82rem;font-weight:800;color:var(--cat);background:color-mix(in srgb,var(--cat) 10%,white);padding:7px 14px;border-radius:20px;margin-bottom:18px}
.art-cat-badge svg{width:16px;height:16px}
.art-title{font-size:clamp(1.7rem,3.4vw,2.6rem);font-weight:900;color:var(--navy-deep);line-height:1.3;letter-spacing:-.3px}
.art-meta{display:flex;flex-wrap:wrap;gap:20px;margin:22px 0 0;padding-bottom:36px;color:var(--muted);font-size:.92rem;font-weight:600}
.art-meta .am{display:inline-flex;align-items:center;gap:7px}
.art-meta svg{width:17px;height:17px;color:var(--sky)}
.art-body-wrap{padding:48px 0 20px}
.art-body-wrap .container{max-width:880px;display:grid;grid-template-columns:1fr;gap:0}
.art-toc{background:var(--bg-soft);border:1px solid var(--line);border-radius:16px;padding:24px 28px;margin-bottom:40px}
.toc-title{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--navy-deep);font-size:1.05rem;margin-bottom:14px}
.toc-title svg{width:20px;height:20px;color:var(--sky)}
.art-toc ol{margin:0;padding-right:18px;display:flex;flex-direction:column;gap:9px}
.art-toc a{color:var(--muted);font-size:.96rem;font-weight:600;transition:.2s}
.art-toc a:hover{color:var(--sky);padding-right:4px}
.art-content{font-size:1.08rem;line-height:1.95;color:#2C3E45}
.art-content h2{font-size:1.55rem;font-weight:800;color:var(--navy-deep);margin:42px 0 16px;scroll-margin-top:90px;line-height:1.35}
.art-content h2:first-child{margin-top:0}
.art-content h3{font-size:1.22rem;font-weight:800;color:var(--navy);margin:28px 0 12px}
.art-content p{margin-bottom:18px}
.art-content strong{color:var(--navy-deep);font-weight:700}
.art-list{list-style:none;margin:0 0 22px;display:flex;flex-direction:column;gap:13px}
.art-list li{display:flex;gap:12px;align-items:flex-start}
.li-mark{width:24px;height:24px;flex:none;border-radius:7px;background:var(--bg-tint);display:flex;align-items:center;justify-content:center;margin-top:3px}
.li-mark svg{width:14px;height:14px;stroke:var(--teal);stroke-width:2.5;fill:none}
.art-ol{margin:0 0 22px;padding-right:22px;display:flex;flex-direction:column;gap:12px}
.art-ol li{padding-right:8px;line-height:1.8}
.art-ol li::marker{color:var(--sky);font-weight:800}
.art-note{background:var(--bg-tint);border-right:4px solid var(--sky);border-radius:12px;padding:20px 24px;margin:26px 0;display:flex;gap:14px;align-items:flex-start}
.an-ico{width:26px;height:26px;flex:none}.an-ico svg{width:26px;height:26px}
.art-note b{display:block;color:var(--navy-deep);margin-bottom:5px;font-size:1.02rem}
.art-note p{margin:0;color:var(--muted);font-size:.97rem}
.art-quote{border-right:4px solid var(--teal);background:linear-gradient(90deg,rgba(21,184,166,.06),transparent);padding:18px 24px;margin:26px 0;font-size:1.18rem;font-weight:700;color:var(--navy-deep);font-style:normal;border-radius:0 12px 12px 0}
.art-table-wrap{overflow-x:auto;margin:26px 0;border:1px solid var(--line);border-radius:14px}
.art-table{width:100%;border-collapse:collapse;font-size:.98rem}
.art-table th{background:var(--navy);color:#fff;padding:14px 16px;text-align:right;font-weight:700;white-space:nowrap}
.art-table td{padding:13px 16px;border-top:1px solid var(--line);color:#3A4D54}
.art-table tbody tr:nth-child(even){background:var(--bg-soft)}
.art-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:26px 0}
.art-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}
.ac-ico{width:46px;height:46px;border-radius:12px;background:var(--bg-tint);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.ac-ico svg{width:24px;height:24px;stroke:var(--navy);stroke-width:1.8;fill:none}
.art-card b{display:block;color:var(--navy-deep);font-size:1.05rem;font-weight:800;margin-bottom:7px}
.art-card span{color:var(--muted);font-size:.93rem;line-height:1.6}
.art-cta{position:relative;background:var(--grad);border-radius:var(--radius-lg);padding:40px;margin:46px 0 20px;text-align:center;color:#fff;overflow:hidden}
.art-cta-glow{position:absolute;inset:0;background:radial-gradient(500px 240px at 80% -20%,rgba(255,255,255,.14),transparent)}
.art-cta h3{font-size:1.5rem;font-weight:800;margin-bottom:12px;position:relative;color:#fff}
.art-cta p{position:relative;opacity:.94;margin-bottom:24px;max-width:560px;margin-inline:auto}
.art-cta-btns{position:relative;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rel-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;display:flex;flex-direction:column;transition:.3s}
.rel-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#CFE5EE}
.rel-card .bcat-chip{display:inline-flex;align-items:center;gap:6px;font-size:.76rem;font-weight:800;color:var(--cat);background:color-mix(in srgb,var(--cat) 9%,white);padding:6px 12px;border-radius:20px;margin-bottom:14px;align-self:flex-start}
.rel-card .bcat-chip svg{width:15px;height:15px}
.rel-card h3{font-size:1.08rem;font-weight:800;color:var(--navy-deep);line-height:1.5;margin-bottom:16px;flex:1}
.rel-more{display:inline-flex;align-items:center;gap:5px;font-size:.85rem;color:var(--sky);font-weight:800}
.rel-more svg{width:15px;height:15px;transition:.2s}
.rel-card:hover .rel-more svg{transform:translateX(-3px)}
.art-share{display:flex;align-items:center;gap:12px;padding:24px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:36px 0}
.art-share span{font-weight:700;color:var(--navy-deep);font-size:.95rem}
.art-share a{width:40px;height:40px;border-radius:10px;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;transition:.2s;color:var(--navy)}
.art-share a:hover{background:var(--grad);color:#fff;transform:translateY(-2px)}
.art-share svg{width:19px;height:19px}
@media(max-width:680px){
  .art-cards,.rel-grid{grid-template-columns:1fr}
  .art-cta{padding:30px 22px}
  .art-content{font-size:1.04rem}
}