@import url("lesson-base.css?v=1");
.yao.yin{background:linear-gradient(to right,#294b65 0 42%,transparent 42% 58%,#294b65 58% 100%)}
.yao.yin.active{background:linear-gradient(to right,#df896e 0 42%,transparent 42% 58%,#df896e 58% 100%)}
.yao.yin.all-active{background:linear-gradient(to right,#487fa8 0 42%,transparent 42% 58%,#487fa8 58% 100%)}
.lesson-series-nav{max-width:1320px;margin:0 auto 34px;padding:0 28px;display:flex;gap:14px;flex-wrap:wrap;font:600 .85rem 'Segoe UI',sans-serif}
.lesson-series-nav a{border:1px solid #c9d8e1;border-radius:100px;background:#fff;padding:9px 15px;text-decoration:none}
.lesson-series-nav a[aria-current=page]{background:#294b65;color:#fff;border-color:#294b65}
.lesson-series-nav a:hover,.lesson-series-nav a:focus-visible{box-shadow:0 0 0 3px #487fa83b}
@media(max-width:850px){.lesson-series-nav{padding:0 12px;margin-bottom:22px;gap:8px}.lesson-series-nav a{padding:8px 11px;font-size:.78rem}}