:root{--brand: #1f50c8;--brand-rgb: 31, 80, 200;--brand-hover: color-mix(in srgb, var(--brand) 85%, #000);--brand-100: rgba(var(--brand-rgb), .08);--brand-200: rgba(var(--brand-rgb), .14);--brand-300: rgba(var(--brand-rgb), .22);--brand-glow: rgba(var(--brand-rgb), .4);--brand-grad: linear-gradient(135deg, var(--brand) 0%, #6d5df6 100%);--grad-brand: var(--brand-grad);--grad-text: linear-gradient(120deg, var(--brand) 20%, #6d5df6 80%);--aurora-a: rgba(var(--brand-rgb), .55);--aurora-b: rgba(109, 93, 246, .4);--aurora-c: rgba(45, 212, 191, .28);--text-1: #0f172a;--text-2: #475569;--text-3: #94a3b8;--text-inverse: #f8fafc;--bg: #f6f8fc;--bg-soft: #eef2f9;--surface: #ffffff;--surface-2: #f8fafc;--surface-glass: rgba(255, 255, 255, .72);--border: rgba(15, 23, 42, .08);--border-strong: rgba(15, 23, 42, .14);--hero-bg: #05070f;--hero-bg-2: #0a0f22;--hero-text: #f8fafc;--hero-text-2: rgba(226, 232, 240, .72);--hero-border: rgba(148, 163, 184, .16);--hero-glass: rgba(148, 163, 184, .08);--font-display: "Space Grotesk", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, sans-serif;--font-mono: "Space Grotesk", "SF Mono", "JetBrains Mono", Consolas, monospace;--fs-display-xl: clamp(2.5rem, 5.2vw, 4.25rem);--fs-display-l: clamp(2rem, 3.6vw, 3rem);--fs-display-m: clamp(1.5rem, 2.4vw, 2.125rem);--fs-title: 1.375rem;--fs-subtitle: 1.0625rem;--fs-body: 1rem;--fs-body-s: .9063rem;--fs-caption: .8125rem;--fs-micro: .75rem;--radius-s: 8px;--radius-m: 14px;--radius-l: 20px;--radius-xl: 28px;--radius-full: 999px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;--space-8: 64px;--space-9: 96px;--space-10: 128px;--shadow-s: 0 1px 2px rgba(15, 23, 42, .05), 0 2px 8px rgba(15, 23, 42, .05);--shadow-m: 0 4px 16px rgba(15, 23, 42, .08), 0 12px 32px rgba(15, 23, 42, .07);--shadow-l: 0 12px 40px rgba(15, 23, 42, .12), 0 24px 80px rgba(15, 23, 42, .1);--shadow-brand: 0 8px 24px rgba(var(--brand-rgb), .28);--ease-out: cubic-bezier(.16, 1, .3, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 1);--dur-fast: .18s;--dur-base: .4s;--dur-slow: .7s;--container: 1200px;--nav-height: 72px}:root[data-theme=dark]{--text-1: #f1f5f9;--text-2: #a8b6c8;--text-3: #64748b;--text-inverse: #0f172a;--bg: #070b16;--bg-soft: #0a0f1f;--surface: #0e1425;--surface-2: #121a2e;--surface-glass: rgba(14, 20, 37, .72);--border: rgba(148, 163, 184, .12);--border-strong: rgba(148, 163, 184, .22);--shadow-s: 0 1px 2px rgba(0, 0, 0, .4);--shadow-m: 0 4px 16px rgba(0, 0, 0, .45);--shadow-l: 0 12px 40px rgba(0, 0, 0, .55);color-scheme:dark}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font-body);font-size:var(--fs-body);line-height:1.7;color:var(--text-1);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button{font-family:inherit}::selection{background:var(--brand-300);color:var(--text-1)}.container{width:min(var(--container),100% - 48px);margin-inline:auto}.section{padding-block:var(--space-9);position:relative}.section-head{text-align:center;max-width:640px;margin:0 auto var(--space-7)}.section-eyebrow{display:inline-flex;align-items:center;gap:var(--space-2);font-size:var(--fs-caption);font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);background:var(--brand-100);border:1px solid var(--brand-200);padding:6px 14px;border-radius:var(--radius-full);margin-bottom:var(--space-4)}.section-title{font-family:var(--font-display);font-size:var(--fs-display-m);font-weight:700;line-height:1.25;margin:0 0 var(--space-3);letter-spacing:-.01em}.section-subtitle{color:var(--text-2);font-size:var(--fs-subtitle);margin:0}.glass-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);box-shadow:var(--shadow-s);transition:transform var(--dur-base) var(--ease-out),box-shadow var(--dur-base) var(--ease-out),border-color var(--dur-base) var(--ease-out)}.glass-card--hoverable:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--brand-200)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);font-size:var(--fs-subtitle);font-weight:600;padding:14px 30px;border-radius:var(--radius-full);border:1px solid transparent;cursor:pointer;transition:transform var(--dur-fast) var(--ease-out),box-shadow var(--dur-fast) var(--ease-out),background var(--dur-fast) var(--ease-out),border-color var(--dur-fast) var(--ease-out);white-space:nowrap}.btn:active{transform:scale(.97)}.btn--primary{background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-brand)}.btn--primary:hover{filter:brightness(1.06);transform:translateY(-2px)}.btn--ghost{background:transparent;color:var(--text-1);border-color:var(--border-strong)}.btn--ghost:hover{border-color:var(--brand);color:var(--brand)}.btn--hero-ghost{background:var(--hero-glass);color:var(--hero-text);border-color:var(--hero-border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.btn--hero-ghost:hover{border-color:rgba(var(--brand-rgb),.6);background:rgba(var(--brand-rgb),.14)}.grad-text{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}.reveal{opacity:0;transform:translateY(26px);transition:opacity var(--dur-slow) var(--ease-out),transform var(--dur-slow) var(--ease-out);will-change:opacity,transform}.reveal.is-in{opacity:1;transform:none}.reveal-group>*{opacity:0;transform:translateY(22px);transition:opacity var(--dur-slow) var(--ease-out),transform var(--dur-slow) var(--ease-out)}.reveal-group.is-in>*{opacity:1;transform:none}.reveal-group.is-in>*:nth-child(1){transition-delay:0ms}.reveal-group.is-in>*:nth-child(2){transition-delay:70ms}.reveal-group.is-in>*:nth-child(3){transition-delay:.14s}.reveal-group.is-in>*:nth-child(4){transition-delay:.21s}.reveal-group.is-in>*:nth-child(5){transition-delay:.28s}.reveal-group.is-in>*:nth-child(6){transition-delay:.35s}.reveal-group.is-in>*:nth-child(7){transition-delay:.42s}.reveal-group.is-in>*:nth-child(8){transition-delay:.49s}@media (prefers-reduced-motion: reduce){.reveal,.reveal-group>*,.reveal-group.is-in>*{opacity:1!important;transform:none!important;transition:none!important}}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:var(--radius-full);border:2px solid var(--bg)}::-webkit-scrollbar-track{background:transparent}.page-loading{min-height:60vh;display:grid;place-items:center;color:var(--text-3);gap:var(--space-4)}.loading-dots{display:inline-flex;gap:var(--space-2)}.loading-dots span{width:10px;height:10px;border-radius:50%;background:var(--brand);animation:dot-bounce 1.2s infinite ease-in-out}.loading-dots span:nth-child(2){animation-delay:.15s}.loading-dots span:nth-child(3){animation-delay:.3s}@keyframes dot-bounce{0%,80%,to{transform:scale(.6);opacity:.4}40%{transform:scale(1);opacity:1}}@media (max-width: 767px){.container{width:min(var(--container),100% - 32px)}.section{padding-block:var(--space-8)}.section-head{margin-bottom:var(--space-6)}}