.learning-index .learn-hero{padding-bottom:28px}
.learning-index .learn-hero h1{margin:16px 0}
.learning-index .lead{font-size:20px;max-width:720px}
.learning-topics{padding:0 44px 48px;display:grid;gap:16px}
.topic-group{background:#faf9f6;border:1px solid #cbd4e2;border-radius:12px;overflow:hidden;scroll-margin-top:24px}
.topic-group summary{display:flex;align-items:center;gap:20px;padding:26px 28px;cursor:pointer;list-style:none;background:#e9eef7;color:#233c64}
.topic-group summary::-webkit-details-marker{display:none}
.topic-group summary:hover{background:#dfe7f4}
.topic-copy{display:grid;gap:7px;flex:1;min-width:0}
.topic-title{font-size:25px;font-weight:650;line-height:1.25}
.topic-description{font-size:15px;line-height:1.45;color:#4c5f79}
.topic-count{font-size:14px;white-space:nowrap;color:#405674}
.topic-toggle{width:24px;height:24px;position:relative;flex-shrink:0}
.topic-toggle:before,.topic-toggle:after{content:'';position:absolute;background:#466aa4;left:5px;top:11px;width:14px;height:2px}
.topic-toggle:after{transform:rotate(90deg)}
.topic-group[open] .topic-toggle:after{display:none}
.article-list{list-style:none;margin:0;padding:0 28px}
.article-list li+li{border-top:1px solid #dce1e8}
.article-row{display:flex;gap:18px;align-items:flex-start;padding:18px 0;text-decoration:none;color:#26344b}
.article-number{font-size:13px;min-width:32px;color:#536b90;padding-top:3px}
.article-copy{display:grid;gap:5px;flex:1;min-width:0}
.article-copy strong{font-size:18px;line-height:1.4;font-weight:600}
.article-copy>span{font-size:14px;line-height:1.5;color:#586477;max-width:850px}
.article-arrow{color:#466aa4;font-size:20px}
.article-row:hover{color:#345f9c;text-decoration:none}
.article-row:hover strong{text-decoration:underline;text-underline-offset:4px}
.topic-group summary:focus-visible,.article-row:focus-visible{outline:3px solid #5075bc;outline-offset:-3px;border-radius:4px}
@media(max-width:700px){.learning-topics{padding:0 24px 32px}.topic-group summary{padding:20px;gap:12px;flex-wrap:wrap}.topic-title{font-size:21px}.topic-copy{flex-basis:calc(100% - 40px)}.topic-toggle{order:0}.topic-count{order:1;flex-basis:100%;font-size:13px}.topic-description{font-size:14px}.article-list{padding:0 18px}.article-row{gap:10px;padding:16px 0}.article-copy strong{font-size:16px}.article-number{min-width:26px}.article-copy>span{font-size:13px}.learning-index .lead{font-size:18px}}

.topic-preview{padding:22px 28px;color:#3e4f66;font-size:16px;line-height:1.65}.topic-preview p{max-width:850px;margin:0 0 18px}.topic-preview h2{font-size:19px;margin:20px 0 12px}.topic-preview ul{padding-left:20px;margin:0}.topic-preview li{padding:5px 0}.topic-preview .preview-note{font-size:14px;color:#586477;margin:20px 0 0}@media(max-width:700px){.topic-preview{padding:18px;font-size:15px}}