.llm-course .course-hero{padding-bottom:38px;background:radial-gradient(ellipse at 90% 5%,#633cb32b,transparent 55%),linear-gradient(135deg,#071b2c,#0c1529)}
.llm-hero-heading{display:flex;gap:28px;align-items:center;justify-content:space-between}
.llm-hero-heading>div{max-width:900px}
.llm-start-link{flex-shrink:0;color:#9eebef;border:1px solid #386170;padding:12px 18px;border-radius:30px;text-decoration:none}
.llm-hero-figure{margin:32px 0 24px;overflow:hidden;border:1px solid #34495e;border-radius:20px;background:#071325;box-shadow:0 20px 65px #0004}
.llm-hero-figure img{width:100%;height:auto;display:block}
.llm-hero-figure figcaption{padding:14px 22px;color:#bfcede;font-size:.85rem;border-top:1px solid #233b50;line-height:1.6}
.llm-flow{margin-top:24px}.llm-flow li{background:#0d2132;border-color:#2b485c;padding:18px}
.llm-course .course-article h3{font-size:1.15rem;margin:26px 0 14px;color:#b2eef2}
.llm-course .course-sidebar p{font-size:.87rem;line-height:1.7;color:#c2cddd}
.llm-checkpoint{padding:20px;border:1px solid #3a626d;border-radius:12px;background:#0b2834;margin-top:25px}
.llm-checkpoint summary{color:#a5f3fc;font-weight:700;cursor:pointer}.llm-checkpoint p{margin:18px 0 0}
.llm-route{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:0 0 55px}
.llm-route>div{border-top:2px solid #4ed6db;background:#0d2033;padding:22px;border-radius:0 0 12px 12px}
.llm-route span{font-size:.8rem;letter-spacing:.08em;color:#83dfef}.llm-route h2{font-size:1.15rem;margin:14px 0 10px}.llm-route p{color:#bccbdd;font-size:.9rem}
.llm-card{padding:0;overflow:hidden;gap:0}.llm-card img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-bottom:1px solid #30465e}
.llm-card-body{padding:24px;display:flex;flex-direction:column;gap:14px;flex:1}
.llm-course #lessons{scroll-margin-top:110px}
@media(max-width:991px){.llm-hero-heading{display:block}.llm-start-link{display:inline-block;margin:0 0 12px}.llm-route{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.llm-flow{grid-template-columns:repeat(2,minmax(0,1fr))}.llm-flow li:not(:last-child):after{display:none}.llm-route{grid-template-columns:1fr}.llm-hero-figure{border-radius:12px}.llm-hero-figure figcaption{padding:12px 16px}.llm-course .course-hero{padding-top:28px}.llm-flow li{padding:12px}.llm-flow strong{font-size:.85rem}}
@media print{.llm-hero-figure{box-shadow:none}.llm-checkpoint{color:#000;background:#fff}.llm-course .course-hero{background:#fff}.llm-hero-figure figcaption{color:#222}}