.xai-page{--xai-purple-50:#faf5ff;--xai-purple-100:#f3e8ff;--xai-purple-200:#e9d5ff;--xai-purple-300:#d8b4fe;--xai-purple-400:#c084fc;--xai-purple-500:#a855f7;--xai-purple-600:#7e22ce;--xai-purple-700:#6b21a8;--xai-purple-800:#581c87;--xai-purple-900:#4c1d95;--xai-purple-accent:#9333ea;--xai-gray-50:#f9fafb;--xai-gray-100:#f3f4f6;--xai-gray-200:#e5e7eb;--xai-gray-300:#d1d5db;--xai-gray-400:#9ca3af;--xai-gray-500:#6b7280;--xai-gray-600:#4b5563;--xai-gray-700:#374151;--xai-gray-800:#1f2937;--xai-gray-900:#111827;--xai-background:#fff;--xai-foreground:#1f2937;--xai-card:#fff;--xai-card-foreground:#1f2937;--xai-popover:#fff;--xai-popover-foreground:#1f2937;--xai-primary:#7e22ce;--xai-primary-foreground:#fff;--xai-muted:#f9fafb;--xai-muted-foreground:#6b7280;--xai-border:#e9d5ff;--xai-input:#e5e7eb;--xai-ring:#a855f7;--xai-state-success:#16a34a;--xai-state-warning:#ea580c;--xai-state-error:#dc2626;--xai-state-info:#2563eb;--xai-radius-sm:.25rem;--xai-radius-md:.5rem;--xai-radius-lg:.75rem;--xai-radius-xl:1rem;--xai-radius-2xl:1rem;--xai-radius-full:9999px;--xai-font-sans:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,"Noto Sans",sans-serif;--xai-font-display:"Pacifico","Segoe UI","PingFang SC",cursive;--xai-text-sm:.875rem;--xai-text-base:1rem;--xai-text-lg:1.125rem;--xai-text-xl:1.25rem;--xai-text-2xl:1.5rem;--xai-text-3xl:1.875rem;--xai-text-4xl:2.25rem;--xai-text-5xl:3rem;--xai-leading-tight:1.25;--xai-leading-normal:1.5;--xai-leading-relaxed:1.625;--xai-content-max-width:80rem;--xai-shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--xai-shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06);--xai-shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05);color:var(--xai-foreground);background:var(--xai-background);font-family:var(--xai-font-sans)}.xai-page .xai-container{width:100%;max-width:var(--xai-content-max-width);margin:0 auto;padding-left:1.5rem;padding-right:1.5rem}.xai-hero{align-items:center;min-height:540px;display:flex;position:relative;overflow:hidden}.xai-hero-bg{object-fit:cover;z-index:0;width:100%;height:100%;position:absolute;top:0;bottom:0;left:0;right:0}.xai-hero-overlay{z-index:1;background:rgba(88,28,135,.7);position:absolute;top:0;bottom:0;left:0;right:0}.xai-hero-inner{z-index:2;width:100%;max-width:var(--xai-content-max-width);grid-template-columns:1.15fr 1fr;align-items:center;gap:3rem;margin:0 auto;padding:3.5rem 1.5rem;display:grid;position:relative}.xai-hero-copy{color:#fff;min-width:0}.xai-hero-title{font-size:var(--xai-text-5xl);line-height:var(--xai-leading-tight);margin:0;font-weight:700}.xai-hero-sub{font-size:var(--xai-text-3xl);line-height:var(--xai-leading-tight);color:var(--xai-purple-200);margin:.75rem 0 0;font-weight:700}.xai-hero-desc{max-width:40rem;font-size:var(--xai-text-base);line-height:var(--xai-leading-relaxed);color:rgba(255,255,255,.9);margin:1.25rem 0 0}.xai-hero-cta{flex-wrap:wrap;gap:1rem;margin-top:2rem;display:flex}.xai-hero-card{border-radius:var(--xai-radius-xl);-webkit-backdrop-filter:blur(8px);background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28);min-width:0;margin:0;padding:.75rem}.xai-hero-card img{border-radius:var(--xai-radius-lg);width:100%;height:auto;display:block}.xai-hero-card-cap{text-align:center;color:var(--xai-purple-200);margin:.625rem 0 .125rem;font-size:.75rem}.xai-btn{border-radius:var(--xai-radius-lg);font-family:var(--xai-font-sans);white-space:nowrap;cursor:pointer;border:1px solid transparent;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:.9375rem;font-weight:600;line-height:1.2;text-decoration:none;transition:background-color .2s,color .2s,border-color .2s,box-shadow .2s,transform .2s;display:inline-flex}.xai-btn:hover{transform:translateY(-1px)}.xai-btn--primary{background:var(--xai-purple-accent);color:var(--xai-primary-foreground)}.xai-btn--primary:hover{background:var(--xai-purple-600)}.xai-btn--ghost{color:#fff;background:0 0;border-color:rgba(255,255,255,.7)}.xai-btn--ghost:hover{color:var(--xai-purple-700);background:#fff;border-color:#fff}.xai-btn--outline{background:var(--xai-background);color:var(--xai-primary);border-color:var(--xai-primary)}.xai-btn--outline:hover{background:var(--xai-purple-50)}.xai-btn--light{color:var(--xai-purple-700);background:#fff}.xai-btn--light:hover{background:var(--xai-purple-100)}.xai-btn--self{align-self:flex-start}.xai-section{padding-top:5rem;padding-bottom:5rem}.xai-section--muted{background:var(--xai-gray-50)}.xai-section-head{text-align:center;margin-bottom:3rem}.xai-section-head h2{font-size:var(--xai-text-4xl);line-height:var(--xai-leading-tight);color:var(--xai-foreground);margin:0;font-weight:700}.xai-section-sub{font-size:var(--xai-text-lg);line-height:var(--xai-leading-normal);color:var(--xai-muted-foreground);margin:.75rem 0 0}.xai-grid-3{grid-template-columns:repeat(3,minmax(0,1fr));gap:1.5rem;display:grid}.xai-grid-2{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem;display:grid}.xai-feature-card{border-radius:var(--xai-radius-xl);border:1px solid var(--xai-border);background:linear-gradient(180deg,var(--xai-purple-50)0%,var(--xai-background)100%);flex-direction:column;gap:.5rem;padding:1.75rem;transition:box-shadow .2s,transform .2s,border-color .2s;display:flex}.xai-feature-card:hover{border-color:var(--xai-purple-200);box-shadow:var(--xai-shadow-md);transform:translateY(-2px)}.xai-feature-icon{width:1.75rem;height:1.75rem;color:var(--xai-primary)}.xai-feature-title{font-size:var(--xai-text-lg);line-height:var(--xai-leading-tight);color:var(--xai-foreground);margin:.5rem 0 0;font-weight:600}.xai-feature-desc{font-size:.9375rem;line-height:var(--xai-leading-relaxed);color:var(--xai-muted-foreground);margin:0}.xai-teacher-points .xai-feature-card{padding:2rem}.xai-shot-grid{margin-top:3rem}.xai-shot{border-radius:var(--xai-radius-xl);border:1px solid var(--xai-gray-200);background:var(--xai-card);flex-direction:column;margin:0;display:flex;overflow:hidden}.xai-shot img{width:100%;height:auto;display:block}.xai-shot figcaption{border-top:1px solid var(--xai-gray-200);text-align:center;color:var(--xai-muted-foreground);padding:.75rem 1rem;font-size:.8125rem}.xai-entry-card{border-radius:var(--xai-radius-xl);border:1px solid var(--xai-border);background:var(--xai-card);flex-direction:column;align-items:flex-start;gap:.75rem;padding:2rem;transition:box-shadow .2s,border-color .2s;display:flex}.xai-entry-card:hover{border-color:var(--xai-purple-200);box-shadow:var(--xai-shadow-sm)}.xai-entry-icon{width:2rem;height:2rem;color:var(--xai-primary)}.xai-entry-title{font-size:var(--xai-text-xl);line-height:var(--xai-leading-tight);color:var(--xai-foreground);margin:0;font-weight:600}.xai-entry-desc{font-size:.9375rem;line-height:var(--xai-leading-relaxed);color:var(--xai-muted-foreground);margin:0 0 .5rem}.xai-cta{text-align:center;background:linear-gradient(to right,var(--xai-purple-accent),var(--xai-purple-700));color:#fff;padding-top:4rem;padding-bottom:4rem}.xai-cta-title{font-size:var(--xai-text-4xl);line-height:var(--xai-leading-tight);margin:0;font-weight:700}.xai-cta-desc{font-size:var(--xai-text-lg);color:rgba(255,255,255,.85);margin:.875rem 0 0}.xai-cta .xai-btn{margin-top:2rem}@media (max-width:900px){.xai-hero-inner{grid-template-columns:1fr;gap:2rem}.xai-hero-title{font-size:var(--xai-text-4xl)}.xai-hero-sub{font-size:var(--xai-text-2xl)}.xai-grid-3{grid-template-columns:1fr}.xai-section-head h2{font-size:var(--xai-text-3xl)}}@media (max-width:768px){.xai-grid-2{grid-template-columns:1fr}.xai-section{padding-top:3.5rem;padding-bottom:3.5rem}}@media (prefers-reduced-motion:reduce){.xai-btn,.xai-feature-card,.xai-entry-card{transition:none}.xai-btn:hover,.xai-feature-card:hover{transform:none}}