/* 同一事实、多处引用的站内关系投影。 */
.ztc-related-band { padding: 92px 0; border-top: 1px solid var(--ztc-border); background: #F6F9FC; }
.ztc-related-wrap { width: min(1200px, calc(100% - 64px)); margin: 0 auto; }
.ztc-related-head { display: flex; justify-content: space-between; gap: 40px; align-items: end; }
.ztc-related-head p { margin: 0 0 12px; color: var(--ztc-action); font-size: 11px; font-weight: 700; letter-spacing: .18em; }
.ztc-related-head h2 { margin: 0; color: var(--ztc-navy-deep); font-family: var(--ztc-serif); font-size: clamp(30px, 3vw, 42px); line-height: 1.25; }
.ztc-related-head > a { display: inline-flex; min-height: 44px; align-items: center; gap: 8px; color: var(--ztc-action); font-size: 14px; font-weight: 700; white-space: nowrap; }
.ztc-related-groups { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; margin-top: 44px; }
.ztc-related-group { min-width: 0; padding: 24px; border: 1px solid var(--ztc-border); background: #fff; }
.ztc-related-group > p { margin: 0 0 14px; color: var(--ztc-action); font-size: 11px; font-weight: 700; letter-spacing: .1em; }
.ztc-related-group ol { margin: 0; padding: 0; list-style: none; }
.ztc-related-group li + li { border-top: 1px solid #E8EEF4; }
.ztc-related-group a { display: grid; grid-template-columns: minmax(0, 1fr) 14px; gap: 10px; align-items: start; min-height: 68px; padding: 15px 0; color: #2C4057; font-size: 13px; font-weight: 650; line-height: 1.55; }
.ztc-related-group a:hover { color: var(--ztc-action); }
.ztc-related-group svg { margin-top: 4px; }
.ztc-related-rail { padding: 22px; border: 1px solid #E6EDF4; border-top: 3px solid var(--ztc-action); background: #F7FAFD; }
.ztc-related-rail h2 { margin: 0 0 13px; color: var(--ztc-navy-deep); font-size:16px; }
.ztc-related-rail ol { margin: 0; padding: 0; list-style: none; }
.ztc-related-rail li + li { border-top: 1px solid #E3EAF2; }
.ztc-related-rail li a { display: block; padding: 13px 0; }
.ztc-related-rail small { display: block; margin-bottom: 5px; color: var(--ztc-action); font-size:var(--ztc-fs-micro); font-weight: 700; letter-spacing: .08em; }
.ztc-related-rail strong { display: block; color: #34465B; font-size: 13px; line-height: 1.55; }
.ztc-related-rail li a > span { display: block; margin-top: 5px; color: #718096; font-size: 11px; line-height: 1.55; }
.ztc-related-rail li a:hover strong { color: var(--ztc-action); }
.ztc-related-rail__topic { display: inline-flex; min-height: 44px; align-items: center; gap: 7px; margin-top: 8px; color: var(--ztc-action); font-size: 12px; font-weight: 700; }
.article-context-rail .ztc-related-rail { margin-top: 18px; }
.ztc-case-single .cd-side > .ztc-related-rail { border-radius: 16px; }

@media (max-width: 980px) {
    .ztc-related-groups { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
    .ztc-related-band { padding: 70px 0; }
    .ztc-related-wrap { width: calc(100% - 40px); }
    .ztc-related-head { display: block; }
    .ztc-related-head > a { margin-top: 20px; white-space: normal; }
    .ztc-related-groups { grid-template-columns: 1fr; margin-top: 32px; }
}