:root{--owenox-primary:#3a56d4;--owenox-primary-hover:#2e45ad;--owenox-amber:#f2a33c;--owenox-success:#52c41a;--owenox-warning:#fa8c16;--owenox-error:#ff4d4f;--background:#f7f6f3;--foreground:#171717;--surface:#fff;--border-color:#00000014;--shadow-card:0 1px 4px 0 #00000014;--pub-page-bg:#f7f6f3;--pub-card-bg:#fff;--pub-header-bg:#fff;--pub-footer-bg:#f0ede7;--pub-text-primary:#1a1915;--pub-text-secondary:#44413a;--pub-text-muted:#857f71;--pub-border:#e6e2da;--pub-shadow-sm:0 1px 3px #1b1a160f;--pub-shadow-md:0 4px 16px -4px #1b1a161f;--pub-shadow-lg:0 12px 32px -8px #1f2a6333;--pub-hero-gradient:linear-gradient(180deg, #f4f6fe 0%, #fff 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100%);--ow-hero-bg-1:#172033;--ow-hero-bg-2:#101827;--ow-hero-text:#fff8e7;--ow-hero-text-soft:#b8c4d6;--ow-chip-bg:#172033a6;--ow-chip-border:#fff8e729;--ow-highlight-bg:#2a2316;--ow-highlight-text:#ffd978;--ow-highlight-accent:#fff8e7;--ow-avatar-ring:#ffffff29;--ow-dot:#ffd978;--ow-btn-primary-bg:#7cc7f2;--ow-btn-primary-text:#101827;--ow-btn-outline-border:#7cc7f2;--ow-btn-outline-text:#7cc7f2;--ow-panel-solid-bg:#2c3a55;--ow-panel-solid-text:#fff;--ow-panel-glow:#ffd97838;--vp-notice-bg:#1e2835;--vp-notice-border:#26303f;--vp-notice-icon-bg:#1e2747;--vp-notice-icon-stroke:#7a8cf0;--vp-notice-text:#b4becc;--policy-strip-bg:#2e1618;--policy-strip-border:#6b342e;--policy-strip-icon-bg:#3a1d1e;--policy-strip-icon-stroke:#f28b82;--policy-strip-text:#f0a79c;--policy-item-accepted-bg:#1b2c24;--policy-item-accepted-border:#2e4a38;--policy-item-accepted-note:#5fd0a8;--policy-icon-bg:#2a2316;--policy-error-bg:#2a1a18;--policy-error-border:#4a2c28;--policy-footer-bg:#161e29}html{height:100%;overflow-x:hidden}html,body{max-width:100vw}body{min-height:100%;color:var(--foreground);background:var(--background);font-family:var(--font-noto-sans-thai), 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env(safe-area-inset-top,0px))}.admin-title{font-size:16px!important}.ant-layout-content{padding:16px!important}.ant-card{max-width:100%!important}.ant-modal{max-width:calc(100vw - 32px)!important;margin:16px auto!important}.ant-modal-body{max-height:calc(100dvh - 200px);overflow-y:auto}}@media (min-width:768px) and (max-width:1023px){.admin-header{padding-inline:16px!important}}.ant-table-thead .ant-table-cell{letter-spacing:.06em!important;text-transform:uppercase!important;font-size:11px!important;font-weight:600!important}.admin-sidebar-label{letter-spacing:.08em;text-transform:uppercase;color:#00000047;-webkit-user-select:none;user-select:none;pointer-events:none;padding:8px 16px 4px;font-size:10px;font-weight:700}[data-theme=dark] .admin-sidebar-label{color:var(--text-muted,#ffffff47)}.account-menu-row:hover{background-color:#0000000a}[data-theme=dark] .account-menu-row:hover{background-color:#ffffff14}@media (max-width:480px){.account-menu-name{display:none!important}}[data-dnd-handle]{touch-action:none}.pub-desktop-nav{display:flex}.pub-desktop-login{display:inline-block}.pub-hamburger{display:none!important}.pub-courses-mobile-login{display:none}@media (max-width:767px){.pub-desktop-nav,.pub-desktop-login{display:none!important}.pub-courses-mobile-login{display:inline-block}.pub-hamburger{display:inline-flex!important}.pub-header-login-btn{min-width:44px;height:40px!important}}.stu-hamburger{display:none!important}.stu-nav-link:focus-visible{outline:2px solid var(--oa-sky);outline-offset:2px;border-radius:4px}.stu-header-spacer{height:64px;height:calc(64px + env(safe-area-inset-top,0px));flex-shrink:0}@media (max-width:767px){.stu-hamburger{display:inline-flex!important}.stu-desktop-nav{display:none!important}}.pub-layout-main{padding-top:70px}@media (max-width:767px){.pub-header{height:56px!important}.pub-layout-main{padding-top:56px!important}}.pub-header 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.pub-login-submit.ant-btn{border-radius:var(--pub-radius-pill)!important;height:47px!important;font-size:15px!important;font-weight:800!important}.pub-category-section{margin-top:32px}.pub-category-header{justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:16px;display:flex}.pub-category-heading{color:var(--pub-text-primary)!important;margin:0!important;font-size:22px!important;font-weight:900!important}.pub-category-viewall{color:var(--pub-text-muted);white-space:nowrap;font-size:13px;font-weight:700}.pub-category-viewall:hover{color:var(--owenox-primary)}.pub-category-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;display:grid}@media (max-width:1023px){.pub-category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:639px){.pub-category-grid{grid-template-columns:minmax(0,1fr)}}.pub-category-card{background:var(--pub-card-bg);border:1px solid var(--pub-border);border-radius:18px;text-decoration:none;transition:box-shadow .18s,transform .18s;display:block;overflow:hidden;box-shadow:0 16px 34px -30px #1f2a4480}[data-theme=dark] .pub-category-card{box-shadow:0 16px 34px -30px #0009}.pub-category-card:hover{box-shadow:var(--pub-shadow-md);transform:translateY(-2px)}.pub-category-cover{align-items:flex-start;height:96px;padding:12px;display:flex;position:relative}@media (min-width:1024px){.pub-category-grid{gap:20px}.pub-category-cover{height:128px}}@media (max-width:639px){.pub-category-cover{height:64px}}.pub-category-badge{background:#ffffffd9;border-radius:9999px;align-items:center;padding:3px 9px;font-size:11px;font-weight:800;display:inline-flex}[data-theme=dark] .pub-category-badge{color:#fff;background:#1018278c}.pub-category-body{padding:14px 16px 18px}@media (min-width:1024px){.pub-category-body{padding:18px 20px 22px}}.pub-category-title{color:var(--pub-text-primary);font-size:16px;font-weight:800}@media (min-width:1024px){.pub-category-title{font-size:18px}}.pub-category-subtitle{color:var(--pub-text-muted);margin-top:3px;font-size:12px;line-height:1.45}@media (min-width:1024px){.pub-category-subtitle{font-size:13px}}.pub-brandkit-shell{--pub-page-bg:#fff8e7;--pub-card-bg:#fff;--pub-header-bg:#fff8e7eb;--pub-footer-bg:#f1e9d6;--pub-text-primary:#1f2a44;--pub-text-secondary:#3e4c68;--pub-text-muted:#8a97a8;--pub-border:#e3e9f0;--pub-shadow-sm:0 1px 3px #1f2a4414;--pub-shadow-md:0 4px 16px -4px #1f2a4424;--pub-shadow-lg:0 12px 32px -8px #1f2a4438;--pub-hero-wash:#eff6fb;--pub-stripe-indigo:#dcecf7;--pub-stripe-amber:#fff3ce;--pub-subject-pill-bg:#dcecf7;--pub-subject-pill-text:#1f2a44;--pub-chip-bg:#fff;--pub-chip-border:#e3e9f0;--pub-disabled-bg:#e3e9f0;--pub-disabled-text:#a7b2c2;--pub-focus-ring:#7cc7f273;--pub-login-panel-bg:#ffffff9e;--owenox-primary:#1f2a44;--owenox-primary-hover:#16213a;min-height:100dvh}[data-theme=dark] .pub-brandkit-shell{--pub-page-bg:#101827;--pub-card-bg:#172033;--pub-header-bg:#172033eb;--pub-footer-bg:#172033;--pub-text-primary:#fff8e7;--pub-text-secondary:#b8c4d6;--pub-text-muted:#8a97a8;--pub-border:#2c3a55;--pub-shadow-sm:0 1px 3px #00000052;--pub-shadow-md:0 4px 16px -4px #00000073;--pub-shadow-lg:0 12px 32px -8px #0009;--pub-hero-wash:#1a2540;--pub-stripe-indigo:#1e3a55;--pub-stripe-amber:#2a2316;--pub-subject-pill-bg:#1e3a55;--pub-subject-pill-text:#7cc7f2;--pub-chip-bg:#172033;--pub-chip-border:#2c3a55;--pub-disabled-bg:#222d3c;--pub-disabled-text:#5c6675;--pub-focus-ring:#7cc7f259;--pub-login-panel-bg:#1720338c;--owenox-primary:#7cc7f2;--owenox-primary-hover:#9ad6f5}.pub-brandkit-shell .ant-btn-primary{background:var(--owenox-primary)!important;border-color:var(--owenox-primary)!important;color:var(--ow-btn-primary-text,#fff)!important}.pub-brandkit-shell .ant-btn-primary:hover,.pub-brandkit-shell .ant-btn-primary:focus{filter:brightness(1.1)}.pub-brandkit-shell 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(min-width:1024px){.pub-contact-supporting{gap:11px;margin-top:22px}}.pub-contact-supporting-row{color:var(--ow-hero-text-soft);align-items:flex-start;gap:8px;font-size:13.5px;font-weight:600;line-height:1.5;display:flex}@media (min-width:1024px){.pub-contact-supporting-row{gap:10px;font-size:15px;line-height:1.55}}.pub-contact-supporting-icon{color:#2c8f76;background:#eafaf4;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:19px;height:19px;margin-top:1px;font-size:11px;font-weight:900;display:flex}@media (min-width:1024px){.pub-contact-supporting-icon{border-radius:7px;width:22px;height:22px;font-size:12px}}[data-theme=dark] .pub-contact-supporting-icon{color:#7edcc3;background:#2c8f7633}.pub-contact-hero-preview{min-width:0}.pub-contact-preview-card{background:var(--pub-page-bg);text-align:center;border:1px solid #eee2c8;border-radius:26px;padding:24px 22px}[data-theme=dark] .pub-contact-preview-card{border-color:var(--pub-border)}.pub-contact-preview-avatar{object-fit:cover;object-position:center 8%;border:3px solid var(--pub-card-bg);border-radius:50%;width:64px;height:64px;margin:0 auto;display:block;overflow:hidden;transform:scale(1.12);box-shadow:0 10px 24px -14px #1f2a444d}@media (min-width:1024px){.pub-contact-preview-avatar{width:76px;height:76px}}.pub-contact-preview-title{color:var(--pub-text-primary);margin-top:14px;font-size:15px;font-weight:900}.pub-contact-preview-handle{color:var(--pub-text-muted);margin-top:2px;font-size:12px;font-weight:700}.pub-contact-preview-cta{color:#fff;border-radius:var(--pub-radius-pill);background:#2c8f76;justify-content:center;align-items:center;gap:8px;min-height:46px;margin-top:16px;padding:13px 22px;font-size:14px;font-weight:800;text-decoration:none;transition:background-color .15s;display:flex}.pub-contact-preview-cta:hover{background:#24765f}[data-theme=dark] .pub-contact-preview-cta{color:#0d2b22;background:#7edcc3}[data-theme=dark] .pub-contact-preview-cta:hover{background:#93e6cf}.pub-contact-quick{padding:20px 20px 0}@media (min-width:1024px){.pub-contact-quick{padding:28px 44px 4px}}.pub-contact-quick-heading{color:var(--pub-text-primary)!important;margin:0!important;font-size:17px!important;font-weight:900!important}@media (min-width:1024px){.pub-contact-quick-heading{font-size:20px!important}}.pub-contact-quick-chips{flex-wrap:wrap;gap:8px;margin:12px 0 0;padding:0;list-style:none;display:flex}@media (min-width:1024px){.pub-contact-quick-chips{gap:10px;margin-top:16px}}.pub-contact-quick-chip{background:var(--pub-page-bg);color:#7a7259;cursor:default;border:1px dashed #e6dcc4;border-radius:11px;align-items:center;padding:7px 13px;font-size:12.5px;font-weight:700;display:inline-flex}@media (min-width:1024px){.pub-contact-quick-chip{border-radius:12px;padding:9px 16px;font-size:14px}}[data-theme=dark] .pub-contact-quick-chip{border-color:var(--pub-border);color:var(--pub-text-muted)}.pub-contact-topics{padding:18px 20px 20px}@media (min-width:1024px){.pub-contact-topics{padding:8px 44px 44px}}.pub-contact-topics-heading{color:var(--pub-text-primary)!important;margin:0!important;font-size:18px!important;font-weight:900!important}@media (min-width:1024px){.pub-contact-topics-heading{margin-top:20px!important;font-size:22px!important}}.pub-contact-topics-desc{color:var(--ow-hero-text-soft);max-width:640px;margin:6px 0 0;font-size:13.5px;font-weight:600;line-height:1.55}@media (min-width:1024px){.pub-contact-topics-desc{font-size:15px;line-height:1.6}}.pub-contact-topics-grid{flex-direction:column;gap:14px;margin-top:16px;display:flex}@media (min-width:640px){.pub-contact-topics-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}}@media (min-width:1024px){.pub-contact-topics-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:22px}}.pub-contact-topic-card{background:var(--pub-page-bg);border:1px solid #eee2c8;border-radius:18px;flex-direction:column;padding:18px;display:flex}@media (min-width:1024px){.pub-contact-topic-card{border-radius:22px;padding:26px}}[data-theme=dark] .pub-contact-topic-card{border-color:var(--pub-border)}.pub-contact-topic-icon{border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:42px;height:42px;font-size:19px;display:flex}@media (min-width:1024px){.pub-contact-topic-icon{border-radius:14px;width:50px;height:50px;font-size:22px}}.pub-contact-topic-icon--course,.pub-contact-topic-icon--payment{color:#2c8f76;background:#eafaf4}[data-theme=dark] .pub-contact-topic-icon--course,[data-theme=dark] .pub-contact-topic-icon--payment{color:#7edcc3;background:#2c8f7633}.pub-contact-topic-icon--issue{color:#7a5cd0;background:#f3effc}[data-theme=dark] .pub-contact-topic-icon--issue{color:#b9a6f0;background:#7a5cd038}.pub-contact-topic-title{color:var(--pub-text-primary);margin:12px 0 0;font-size:15.5px;font-weight:900;line-height:1.3}@media (min-width:1024px){.pub-contact-topic-title{margin-top:16px;font-size:18px}}.pub-contact-topic-desc{color:var(--ow-hero-text-soft);flex:1;margin:6px 0 0;font-size:13px;font-weight:600;line-height:1.55}@media (min-width:1024px){.pub-contact-topic-desc{margin-top:8px;font-size:15px;line-height:1.6}}.pub-contact-topic-cta{border-radius:var(--pub-radius-pill);color:#fff;background:#2c8f76;justify-content:center;align-items:center;gap:6px;width:100%;min-height:46px;margin-top:14px;padding:12px 18px;font-size:13.5px;font-weight:800;text-decoration:none;transition:background-color .15s;display:flex}@media (min-width:1024px){.pub-contact-topic-cta{margin-top:18px;font-size:14px}}.pub-contact-topic-cta:hover{background:#24765f}[data-theme=dark] .pub-contact-topic-cta{color:#0d2b22;background:#7edcc3}[data-theme=dark] .pub-contact-topic-cta:hover{background:#93e6cf}.pub-contact-faq{padding:26px 20px 0}@media (min-width:1024px){.pub-contact-faq{padding:44px 44px 0}}.pub-contact-faq-heading{max-width:880px;line-height:1.4;color:var(--pub-text-primary)!important;margin:0!important;font-size:17px!important;font-weight:900!important}@media (min-width:1024px){.pub-contact-faq-heading{font-size:22px!important}}.pub-contact-faq-grid{grid-template-columns:minmax(0,1fr);align-items:start;gap:12px;margin-top:16px;display:grid}@media (min-width:640px){.pub-contact-faq-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px}}@media (min-width:1024px){.pub-contact-faq-grid{gap:20px;margin-top:24px}}.pub-contact-faq-item{background:var(--pub-card-bg);border:1px solid var(--pub-border);border-radius:16px;padding:16px}@media (min-width:1024px){.pub-contact-faq-item{border-radius:20px;padding:24px}}.pub-contact-faq-q{color:var(--pub-text-primary);margin:0;font-size:14px;font-weight:800;line-height:1.3}@media (min-width:1024px){.pub-contact-faq-q{font-size:17px}}.pub-contact-faq-a{color:var(--ow-hero-text-soft);margin:6px 0 0;font-size:13px;font-weight:600;line-height:1.55}@media (min-width:1024px){.pub-contact-faq-a{font-size:15px;line-height:1.65}}.pub-contact-closing{background:var(--owenox-primary);text-align:center;border-radius:22px;margin:26px 18px 0;padding:28px 20px}@media (min-width:1024px){.pub-contact-closing{border-radius:32px;margin:44px 44px 0;padding:52px 40px}}[data-theme=dark] .pub-contact-closing{border:1px solid var(--pub-border);background:#7cc7f214}.pub-contact-closing-text{color:#fff;max-width:640px;margin:0 auto;font-size:17px;font-weight:900;line-height:1.5}[data-theme=dark] .pub-contact-closing-text{color:var(--pub-text-primary)}@media (min-width:1024px){.pub-contact-closing-text{font-size:24px}}.pub-contact-closing-cta{border-radius:var(--pub-radius-pill);color:#fff;background:#2c8f76;justify-content:center;align-items:center;gap:6px;min-height:46px;margin-top:16px;padding:13px 26px;font-size:14px;font-weight:800;text-decoration:none;transition:background-color .15s;display:inline-flex}@media (min-width:1024px){.pub-contact-closing-cta{margin-top:22px;font-size:15px}}.pub-contact-closing-cta:hover{background:#24765f}[data-theme=dark] .pub-contact-closing-cta{color:#0d2b22;background:#7edcc3}[data-theme=dark] .pub-contact-closing-cta:hover{background:#93e6cf}.pub-contact-preview-cta:focus-visible,.pub-contact-topic-cta:focus-visible,.pub-contact-closing-cta:focus-visible{outline:2px solid var(--ow-sky);outline-offset:2px}.oa-scope{--pub-page-bg:#fff8e7;--pub-card-bg:#fff;--pub-header-bg:#fff;--pub-footer-bg:#fff;--pub-text-primary:#1f2a44;--pub-text-secondary:#46536b;--pub-text-muted:#5b6b82;--pub-border:#e6e1d2;--pub-shadow-sm:0 1px 3px #1f2a4412;--pub-shadow-md:0 6px 20px -6px #1f2a4429;--pub-hero-wash:#fbf6ea;--pub-subject-pill-bg:#eaf6ff;--pub-subject-pill-text:#2f7db0;--pub-chip-bg:#fff;--pub-chip-border:#e6e1d2;--pub-disabled-bg:#eef1f5;--pub-disabled-text:#97a0ae;--pub-radius-btn:999px;--pub-radius-card:14px;--pub-radius-pill:999px;--pub-enrolled-bg:#e7f6f1;--pub-enrolled-color:#2c8f76;--pub-pricing-badge-bg:#7cc7f229;--pub-stripe-indigo:#eaf6ff;--pub-stripe-amber:#fff3d2;--stu-hero-from:#1f2a44;--stu-hero-to:#2c3a5e;--stu-hero-amber-glow:#ffd97847;--stu-upcoming-bg:#eaf6ff;--stu-upcoming-text:#2f7db0;--stu-upcoming-dot:#2f7db0;--stu-expired-bg:#fff3d2;--stu-expired-text:#8a6d1f;--stu-expired-dot:#8a6d1f;--stu-revoked-bg:#fbede9;--stu-revoked-text:#c0604f;--stu-revoked-dot:#c0604f;--stu-unlimited-bg:#eef1f5;--stu-unlimited-text:#1f2a44;--stu-unlimited-dot:#1f2a44;--oa-surface-alt:#fbfbf7;--oa-line-bg:#06c755;--oa-line-text:#fff;--oa-sky:#7cc7f2;--oa-sky-text:#12354d;--oa-video-bg:#0b111c;--stu-block-code-bg:#1f2a44;--stu-block-code-header-bg:#182238;--stu-block-code-border:#33436a;--stu-block-code-text:#e7ecf3;--stu-block-code-muted:#8995a5}:root[data-theme=dark] .oa-scope{--pub-page-bg:#101827;--pub-card-bg:#1a2436;--pub-header-bg:#1a2436;--pub-footer-bg:#1a2436;--pub-text-primary:#f1f5fb;--pub-text-secondary:#c3cede;--pub-text-muted:#9fb0c6;--pub-border:#2a3547;--pub-shadow-sm:0 1px 3px #00000047;--pub-shadow-md:0 8px 24px -8px #0006;--pub-hero-wash:#141d2e;--pub-subject-pill-bg:#7cc7f224;--pub-subject-pill-text:#7cc7f2;--pub-chip-bg:#1a2436;--pub-chip-border:#2a3547;--pub-disabled-bg:#26314a;--pub-disabled-text:#7c8aa0;--pub-enrolled-bg:#4cc4a324;--pub-enrolled-color:#4cc4a3;--pub-pricing-badge-bg:#7cc7f224;--pub-stripe-indigo:#7cc7f21f;--pub-stripe-amber:#ffd9781f;--stu-hero-from:#0d1424;--stu-hero-to:#1c2740;--stu-hero-amber-glow:#ffd97829;--stu-upcoming-bg:#7cc7f224;--stu-upcoming-text:#7cc7f2;--stu-upcoming-dot:#7cc7f2;--stu-expired-bg:#ffd97824;--stu-expired-text:#ffd978;--stu-expired-dot:#ffd978;--stu-revoked-bg:#e0836f24;--stu-revoked-text:#e0836f;--stu-revoked-dot:#e0836f;--stu-unlimited-bg:#26314a;--stu-unlimited-text:#cfe0f6;--stu-unlimited-dot:#cfe0f6;--oa-surface-alt:#141d2e;--oa-line-bg:#22c55e;--oa-line-text:#fff;--oa-sky:#7cc7f2;--oa-sky-text:#0f2233;--oa-video-bg:#0b111c;--stu-block-code-bg:#0b111c;--stu-block-code-header-bg:#182238;--stu-block-code-border:#33436a;--stu-block-code-text:#e7ecf3;--stu-block-code-muted:#8995a5}.oa-scope{background:var(--pub-page-bg)}.oa-canvas{box-sizing:border-box;width:100%;padding-inline:20px}@media (min-width:640px){.oa-canvas{padding-inline:28px}}@media (min-width:1024px){.oa-canvas{padding-inline:32px}}@media (min-width:1200px){.oa-canvas{padding-inline:40px}}.oa-course-grid{grid-template-columns:repeat(1,1fr);gap:20px;display:grid}@media (min-width:768px){.oa-course-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:1024px){.oa-course-grid{grid-template-columns:repeat(3,1fr)}.oa-course-grid--dashboard{grid-template-columns:repeat(2,1fr)}}.oa-course-grid--catalog{grid-template-columns:repeat(auto-fit, minmax(260px, min(1fr, 360px)))}.stu-hero-ring{width:84px;height:84px}.stu-hero-ring-label span{font-size:20px}.stu-hero-decorative-circle{width:220px;height:220px}@media (max-width:1023px){.stu-hero-ring{width:72px;height:72px}.stu-hero-ring-label span{font-size:17px}.stu-hero-decorative-circle{width:160px;height:160px;right:-30px}}@media (max-width:639px){.stu-hero-ring{width:64px;height:64px}.stu-hero-ring-label span{font-size:15px}.stu-hero-decorative-circle{display:none}}.stu-dashboard-grid{flex-direction:column;gap:24px;display:flex}.stu-dashboard-main{min-width:0}.stu-dashboard-sidebar{flex-direction:column;gap:16px;display:flex}@media (min-width:1024px){.stu-dashboard-grid{flex-direction:row;align-items:flex-start}.stu-dashboard-main{flex:1}.stu-dashboard-sidebar{flex:0 0 220px}}@media (min-width:1440px){.stu-dashboard-sidebar{flex:0 0 230px}}.stu-profile-split{flex-direction:column;gap:24px;display:flex}@media (min-width:1024px){.stu-profile-split{grid-template-columns:.9fr 1.1fr;align-items:start;display:grid}}.profile-info-row:last-child{border-bottom:none}.stu-other-course-row{background:var(--pub-card-bg);border:1px solid var(--pub-border);border-radius:12px;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;display:flex}@media (max-width:639px){.stu-other-course-row{flex-wrap:wrap}.stu-other-course-row .stu-other-course-cta{width:100%;display:block}.stu-other-course-row .stu-other-course-cta button{width:100%}}.stu-lesson-title.ant-typography{font-size:19px}@media (max-width:639px){.stu-lesson-title.ant-typography{font-size:17px}}.stu-lesson-header{border-bottom:1px solid var(--pub-border);background:var(--pub-card-bg);padding:14px 24px}@media (max-width:639px){.stu-lesson-header{padding:12px 14px}}.stu-lesson-header-inner{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.stu-lesson-breadcrumb{color:var(--pub-text-muted);text-overflow:ellipsis;white-space:nowrap;max-width:60vw;margin-bottom:6px;font-size:11px;overflow:hidden}.stu-lesson-breadcrumb-current{color:var(--pub-text-secondary);font-weight:700}.stu-lesson-header-actions{flex-shrink:0;align-items:center;gap:8px;display:flex}.stu-materials-trigger,.stu-lesson-back-btn{border:1.5px solid var(--pub-border);border-radius:var(--pub-radius-pill);background:var(--pub-card-bg);color:var(--pub-text-primary);cursor:pointer;white-space:nowrap;align-items:center;gap:7px;padding:8px 14px;font-size:12px;font-weight:800;line-height:1;text-decoration:none;transition:background .15s,border-color .15s;display:inline-flex}.stu-materials-trigger:hover,.stu-lesson-back-btn:hover{background:var(--pub-hero-wash)}.stu-materials-trigger[aria-expanded=true]{background:var(--pub-subject-pill-bg);border-color:var(--oa-sky)}.stu-materials-trigger:focus-visible,.stu-lesson-back-btn:focus-visible{outline:2px solid var(--oa-sky);outline-offset:2px}@media (max-width:639px){.stu-materials-trigger,.stu-lesson-back-btn{padding:8px 10px}.stu-materials-trigger-label{display:none}}.stu-lesson-shell{align-items:flex-start;padding-inline:20px;display:flex}@media (min-width:640px){.stu-lesson-shell{padding-inline:28px}}@media (min-width:1024px){.stu-lesson-shell{padding-inline:32px}}@media (min-width:1200px){.stu-lesson-shell{padding-inline:40px}}.stu-lesson-sidebar-desktop{border-right:1px solid var(--pub-border);flex:0 0 230px;width:230px;max-height:calc(100vh - 96px);padding:18px 0;position:sticky;top:80px;overflow-y:auto}.stu-lesson-main{flex:1;justify-content:center;min-width:0;display:flex}.stu-lesson-content-column{width:100%;max-width:1040px;padding:28px 24px 80px}@media (max-width:639px){.stu-lesson-content-column{padding:20px 16px 64px}}@media (max-width:900px){.stu-lesson-sidebar-desktop{display:none!important}.stu-lesson-mobile-list{display:block!important}.stu-lesson-shell{padding-inline:16px}}@media (min-width:901px){.stu-lesson-mobile-list{display:none!important}.stu-lesson-sidebar-desktop{display:block!important}}.stu-lesson-row:focus-visible,.stu-lesson-list-toggle:focus-visible{outline:2px solid var(--oa-sky);outline-offset:-2px;border-radius:6px}.stu-doc-download-btn.stu-doc-download-btn.ant-btn{border-radius:var(--pub-radius-btn);white-space:nowrap;flex-shrink:0;justify-content:center;align-items:center;min-width:max(148px,9vw);height:clamp(48px,4vw,52px);padding-inline:clamp(20px,2vw,24px);font-size:14px;font-weight:700;line-height:1;display:inline-flex}.stu-doc-download-btn.stu-doc-download-btn.ant-btn .anticon{font-size:19px}@media (max-width:599px){.stu-doc-download-btn.stu-doc-download-btn.ant-btn{width:100%;min-width:0}}.stu-lesson-nav{flex-wrap:wrap;justify-content:space-between;align-items:stretch;gap:12px;margin-top:32px;display:flex}.stu-lesson-nav-btn{box-sizing:border-box;background:var(--pub-card-bg);border:1px solid var(--pub-border);border-radius:var(--pub-radius-btn);min-width:220px;max-width:420px;min-height:64px;text-align:inherit;cursor:pointer;flex:0 auto;align-items:center;gap:10px;padding:14px 22px;font-family:inherit;text-decoration:none;display:flex}.stu-lesson-nav-btn--primary{background:var(--oa-sky);border-color:var(--oa-sky)}.stu-lesson-nav-btn:disabled{cursor:not-allowed;opacity:.5}.stu-lesson-nav-btn:focus-visible{outline:2px solid var(--oa-sky);outline-offset:2px;border-radius:var(--pub-radius-btn)}.stu-lesson-nav-text{text-align:left;flex:1;min-width:0}.stu-lesson-nav-icon{flex-shrink:0}@media (max-width:900px){.stu-lesson-nav-btn{min-width:180px;min-height:60px;padding:12px 18px}}@media (max-width:639px){.stu-lesson-nav{flex-direction:column;align-items:stretch}.stu-lesson-nav-btn{width:100%;max-width:none;min-height:56px;padding:12px 18px}.oa-scope .stu-app-header{height:calc(56px + env(safe-area-inset-top,0px))!important}.oa-scope .stu-header-spacer{height:56px!important;height:calc(56px + env(safe-area-inset-top,0px))!important}}.pub-sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.pub-skel-block,.pub-skel-line{background:var(--pub-chip-bg);border:1px solid var(--pub-border);position:relative;overflow:hidden}.pub-skel-block{border-radius:var(--pub-radius-card)}.pub-skel-line{background:var(--pub-border);border-width:0;border-radius:6px}.pub-skel-block:after,.pub-skel-line:after{content:"";background:linear-gradient(90deg,#0000,#ffffff59,#0000);animation:1.6s ease-in-out infinite pub-skel-shimmer;position:absolute;inset:0;transform:translate(-100%)}[data-theme=dark] .pub-skel-block:after,[data-theme=dark] .pub-skel-line:after{background:linear-gradient(90deg,#0000,#ffffff0f,#0000)}@keyframes pub-skel-shimmer{to{transform:translate(100%)}}@media (prefers-reduced-motion:reduce){.pub-skel-block:after,.pub-skel-line:after{animation:none}}