.rm-page-shell{max-width:1440px;margin:0 auto;padding:34px 28px 62px}.rm-home-hero{min-height:440px;border-radius:28px;padding:50px;background:linear-gradient(135deg,#102f55,#1c5ea8 62%,#5e8bd1);color:#fff;display:grid;grid-template-columns:1.3fr .7fr;align-items:center;overflow:hidden;box-shadow:0 14px 36px rgba(16,47,85,.10)}.rm-home-hero h1{font-size:clamp(42px,6vw,76px);line-height:.98;margin:15px 0;letter-spacing:-.055em}.rm-home-hero h1 span{color:#bfe3ff}.rm-home-hero p{max-width:760px;font-size:19px;color:#e6f2ff}.rm-home-math{display:grid;gap:14px;transform:rotate(-5deg)}.rm-home-math div{padding:20px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.09);border-radius:16px;text-align:center;font-size:26px}.rm-status-pill{display:inline-flex;border-radius:999px;background:#edf5ff;border:1px solid #bdd4f6;color:#2255a4;padding:4px 10px;font-size:12px;font-weight:850}.rm-button{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:10px 15px;text-decoration:none;font-weight:800;border:1px solid #bdd4f6;background:#fff;color:#174c9c}.rm-button-primary{background:#174c9c;color:#fff;border-color:#174c9c}.rm-button-light{background:#fff;color:#102f55}.rm-topic-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.rm-section-heading-simple{margin:48px 0 18px}.rm-section-heading-simple span{text-transform:uppercase;letter-spacing:.1em;font-weight:850;color:#567696;font-size:12px}.rm-section-heading-simple h2{font-size:36px;margin:4px 0 5px}.rm-section-heading-simple p{max-width:780px;color:#526174}.rm-course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.rm-course-card{border-radius:20px;padding:25px;text-decoration:none;color:#fff;min-height:250px;display:flex;flex-direction:column;box-shadow:0 14px 36px rgba(16,47,85,.10)}.rm-course-card.ai{background:linear-gradient(145deg,#0e6d69,#26968d)}.rm-course-card.aasl{background:linear-gradient(145deg,#174c9c,#3477d2)}.rm-course-card.aahl{background:linear-gradient(145deg,#553a8f,#7e5bc2)}.rm-course-card>span{font-weight:900;letter-spacing:.08em}.rm-course-card h3{font-size:26px;line-height:1.08;margin:16px 0 9px}.rm-course-card p{color:#f1f7ff}.rm-course-card b{margin-top:auto}.rm-feature-band{margin-top:36px;border-radius:24px;background:#102f55;color:#fff;padding:34px;display:grid;grid-template-columns:1fr 1fr;gap:35px}.rm-feature-band h2{font-size:36px;margin:6px 0}.rm-feature-band ul{display:grid;gap:10px;align-content:center}.rm-home-tools{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin-top:28px}.rm-home-tools>a{background:#fff;border:1px solid #d8e3ee;border-radius:18px;padding:22px;text-decoration:none;color:#172033;box-shadow:0 8px 24px rgba(16,47,85,.05)}.rm-home-tools h2{margin:0 0 5px}.rm-home-tools p{color:#526174}.rm-simple-hero,.rm-course-hero{border-radius:24px;background:linear-gradient(135deg,#173b62,#2b65ad);color:#fff;padding:42px;margin-bottom:24px}.rm-course-hero h1,.rm-simple-hero h1{font-size:clamp(38px,5vw,60px);line-height:1;margin:6px 0}.rm-course-ai-sl{background:linear-gradient(135deg,#0e6d69,#2a9c90)}.rm-course-aa-sl{background:linear-gradient(135deg,#174c9c,#3379d7)}.rm-course-aa-hl{background:linear-gradient(135deg,#553a8f,#815dc8)}.rm-topic-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.rm-topic-card{display:grid;grid-template-columns:52px 1fr auto;gap:14px;align-items:center;background:#fff;border:1px solid #d8e3ee;border-radius:16px;padding:17px;text-decoration:none;color:#172033}.rm-topic-card.is-live{border-color:#7fafe3;background:linear-gradient(90deg,#f0f7ff,#fff)}.rm-topic-num{width:48px;height:48px;border-radius:14px;background:#eaf3fc;display:flex;align-items:center;justify-content:center;font-size:21px;font-weight:900;color:#1a4f85}.rm-topic-card h3{margin:0}.rm-topic-card p{margin:3px 0;color:#526174;font-size:13px}.rm-topic-intro,.rm-coming-topic{border:1px solid #d8e3ee;background:#f9fcff;border-radius:16px;padding:20px;margin-bottom:18px}.rm-lesson-list{display:grid;gap:9px}.rm-lesson-row{display:grid;grid-template-columns:88px 1fr auto;gap:14px;align-items:center;text-decoration:none;color:#172033;border:1px solid #d8e3ee;border-radius:13px;padding:13px 15px;background:#fff}.rm-lesson-code{font-size:12px;font-weight:900;color:#245d9f;background:#edf5ff;border-radius:999px;padding:5px 8px;text-align:center}.rm-lesson-row small{display:block;color:#526174;margin-top:3px}.rm-topic-bottom{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}.rm-topic-bottom>div{border:1px solid #d8e3ee;border-radius:16px;padding:20px}.rm-breadcrumbs{max-width:1440px;margin:0 auto;padding:18px 28px 0;display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:#526174}.rm-breadcrumbs a{text-decoration:none;color:#30567e}.rm-filter-panel{display:grid;grid-template-columns:2fr repeat(4,1fr) auto;gap:10px;align-items:end;background:#fff;border:1px solid #d8e3ee;border-radius:17px;padding:16px}.rm-filter-panel label{display:grid;gap:5px;font-size:12px;font-weight:800;color:#526b85}.rm-filter-panel input,.rm-filter-panel select{width:100%;border:1px solid #bfcddd;border-radius:10px;padding:10px;font:inherit;background:#fff}.rm-results-meta{margin:18px 2px;color:#526174;font-size:13px}.rm-resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.rm-resource-result{border:1px solid #d8e3ee;border-radius:16px;padding:17px;background:#fff}.rm-tags{display:flex;flex-wrap:wrap;gap:5px}.rm-tag{background:#eef5fb;border-radius:999px;padding:3px 8px;font-size:11px;font-weight:750;color:#315a7e}.rm-empty{grid-column:1/-1;padding:32px;text-align:center;border:1px dashed #aebed0;border-radius:15px;background:#fff;color:#526174}@media(max-width:900px){.rm-home-hero{grid-template-columns:1fr}.rm-home-math{display:none}.rm-course-grid,.rm-home-tools,.rm-resource-grid{grid-template-columns:1fr}.rm-feature-band{grid-template-columns:1fr}.rm-topic-card-grid,.rm-topic-bottom{grid-template-columns:1fr}.rm-filter-panel{grid-template-columns:1fr 1fr}}@media(max-width:620px){.rm-page-shell{padding:20px 14px 44px}.rm-home-hero{padding:28px 20px;min-height:0}.rm-filter-panel{grid-template-columns:1fr}.rm-lesson-row{grid-template-columns:70px 1fr}.rm-lesson-row>span:last-child{display:none}}
.rm-home-strip{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;margin-top:28px}.rm-home-strip>div{background:#fff;border:1px solid #d8e3ee;border-radius:18px;padding:22px}.rm-home-strip h2{margin:0 0 5px}.rm-video-search{max-width:720px;margin:0 0 20px}.rm-video-search label{display:grid;gap:5px;font-size:12px;font-weight:800;color:#526b85}.rm-video-search input{width:100%;border:1px solid #bfcddd;border-radius:10px;padding:10px;font:inherit;background:#fff}.rm-video-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.rm-video-card{display:flex;gap:12px;align-items:center;padding:14px;border:1px solid #d8e3ee;border-radius:14px;background:#fff;text-decoration:none;color:#172033}.rm-video-card small{display:block;color:#526174;margin-top:2px}.rm-video-icon{width:38px;height:38px;border-radius:50%;background:#eaf3fc;display:flex;align-items:center;justify-content:center;color:#174c9c}.rm-topic-videos{margin-top:26px}.rm-topic-videos h2{font-size:25px}.rm-roadmap{border-style:dashed;background:#fafcfe}.rm-badge-answer{color:#2f6c53;font-weight:850;font-size:12px}.rm-site-footer{background:#0f2d4e;color:#dbe8f5;margin-top:40px}.rm-footer-inner{max-width:1440px;margin:auto;padding:34px 28px;display:grid;grid-template-columns:1fr auto;gap:14px 30px}.rm-footer-inner nav{display:flex;gap:18px}.rm-footer-inner a{color:#fff;text-decoration:none}.rm-footer-inner p{margin:0;font-size:12px;grid-column:1/-1;color:#aac0d5}.rm-ib-notice{max-width:900px}@media(max-width:900px){.rm-home-strip,.rm-video-grid{grid-template-columns:1fr}.rm-footer-inner{grid-template-columns:1fr}.rm-footer-inner p{grid-column:1}.rm-footer-inner nav{flex-wrap:wrap}}