:root{--lcn-blue:#009EE2;--lcn-navy:#045679;--lcn-orange:#EB7927;--soft:#F2F3F7;--line:rgba(4,86,121,.14);--text:#244a5d;--muted:#6c7a86;--shadow:0 14px 40px rgba(0,0,0,.08);--radius:18px}.lcn-syllabus{max-width:1100px;margin:0 auto}.lvl{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);overflow:hidden;margin:14px 0}.lvl__btn{width:100%;border:0;background:linear-gradient(180deg,rgb(0 158 226 / .10),#fff0);padding:16px 16px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;text-align:left;font-family:inherit}.lvl__left{display:flex;align-items:center;gap:12px;min-width:0}.lvl__badge{flex:0 0 auto;width:44px;height:44px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-weight:900;color:var(--lcn-navy);background:rgb(0 158 226 / .12);border:1px solid rgb(0 158 226 / .22)}.lvl__titles{min-width:0}.lvl__title{margin:0;font-weight:900;color:var(--lcn-navy);font-size:16px;line-height:1.15;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lvl__sub{margin:6px 0 0;font-weight:800;color:var(--lcn-orange);font-size:12px;letter-spacing:.2px}.lvl__meta{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--muted);font-weight:800;font-size:12px;white-space:nowrap}.lvl__chev{width:38px;height:38px;border-radius:14px;border:1px solid rgb(4 86 121 / .18);background:#fff;display:flex;align-items:center;justify-content:center;transition:.2s ease;flex:0 0 auto}.lvl__chev::before{content:"";width:10px;height:10px;border-right:3px solid var(--lcn-blue);border-bottom:3px solid var(--lcn-blue);transform:rotate(-45deg);display:block;transition:.2s ease}.lvl.is-open .lvl__chev{box-shadow:0 10px 18px rgb(0 0 0 / .06)}.lvl.is-open .lvl__chev::before{transform:rotate(45deg)}.lvl__content{display:none;padding:14px 16px 16px;border-top:1px solid var(--line);background:#fff}.lvl.is-open .lvl__content{display:block}.lvl__hint{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;padding:12px 12px;border-radius:16px;background:var(--soft);border:1px solid rgb(4 86 121 / .10);color:var(--text);font-weight:800;font-size:13px;line-height:1.35}.lvl__hint span{color:var(--muted);font-weight:800;font-size:12px;white-space:nowrap}.topics{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 14px}.topics li{position:relative;padding:10px 12px 10px 44px;border:1px solid rgb(4 86 121 / .10);border-radius:16px;background:linear-gradient(180deg,rgb(0 158 226 / .06),#fff0);color:#2b3d49;font-weight:700;font-size:13px;line-height:1.35}.topics li::before{content:attr(data-n);position:absolute;left:12px;top:10px;width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:12px;color:var(--lcn-navy);background:rgb(0 158 226 / .12);border:1px solid rgb(0 158 226 / .22)}@media (max-width:820px){.topics{grid-template-columns:1fr}.lvl__meta{display:none}.lvl__title{font-size:15px}}