.rivermark-guide{background:#f7f7fa;padding:clamp(24px,4vw,60px) 16px;color:#25252d}
.rivermark-guide-card{max-width:980px;margin:0 auto;background:#fff;border:1px solid #dedee8;border-radius:4px;box-shadow:0 12px 28px rgba(38,25,56,.1);padding:clamp(22px,4vw,48px)}
.rivermark-guide-card h1{margin:0 0 10px;font-size:clamp(28px,4vw,44px);line-height:1.1;color:#5a176c}
.rivermark-guide-card h2{margin:34px 0 12px;font-size:clamp(21px,3vw,30px);line-height:1.2;color:#6c1b7d}
.rivermark-guide-card h3{margin:22px 0 8px;color:#6c1b7d}
.rivermark-guide-card p,.rivermark-guide-card li{font-size:17px;line-height:1.72}
.rivermark-guide-card ul,.rivermark-guide-card ol{padding-left:1.35rem}
.rivermark-guide-card table{width:100%;border-collapse:collapse;margin:20px 0;display:block;overflow-x:auto}
.rivermark-guide-card th,.rivermark-guide-card td{border:1px solid #dedee8;padding:11px 12px;text-align:left;vertical-align:top;min-width:155px}
.rivermark-guide-card th{background:#f2e9f5;color:#5a176c}
.rivermark-guide-note{background:#fbf4fd;border-left:4px solid #7a2691;padding:15px 17px;margin:20px 0}
.rivermark-guide-meta{font-size:14px!important;color:#6b6a76;margin:0 0 22px}
.rivermark-guide-nav{font-size:15px;margin:0 0 18px}
.rivermark-guide-source{font-size:15px!important;color:#6b6a76}
.rivermark-guide-card a{color:#6c1b7d}
@media(max-width:640px){.rivermark-guide-card{padding:20px 16px}.rivermark-guide-card p,.rivermark-guide-card li{font-size:16px}.rivermark-guide-card th,.rivermark-guide-card td{min-width:140px}}