:root{--bg:#fff;--bg-alt:#f5f6fb;--fg:#12142b;--muted:#5b5f7a;--card:#fff;--border:#e3e5f0;--brand-1:#1b1f4d;--brand-2:#4e34c8;--accent:#ffc83d;--accent-2:#ff9f1c;--link:#4e34c8;--menu-bg:#fff;--menu-fg:#1a1a1a;--menu-hover:#eef0ff;--shadow:0 10px 30px #12142b1f;--radius:14px}@media (prefers-color-scheme:dark){:root{--bg:#0d0f22;--bg-alt:#13163a;--fg:#eceefe;--muted:#a3a7c7;--card:#171a3f;--border:#262a57;--link:#b6a8ff;--menu-bg:#24273f;--menu-fg:#f1f1f5;--menu-hover:#353a66;--shadow:0 10px 30px #00000073}}*{box-sizing:border-box}html{scroll-behavior:smooth}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{background:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased;margin:0;font-family:Segoe UI Variable,Segoe UI,system-ui,-apple-system,Noto Sans,Roboto,Arial,sans-serif;font-size:16px;line-height:1.6}a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{margin:0;line-height:1.15}h2{text-align:center;margin-bottom:2.2rem;font-size:clamp(1.6rem,3vw,2.2rem)}h3{margin-bottom:.4rem;font-size:1.1rem}p{margin:0}.wrap{width:min(1120px,100%);margin:0 auto;padding:0 16px}.narrow{width:min(760px,100%)}.muted{color:var(--muted)}.center{text-align:center}.logo{border-radius:22%;display:block}.nav{z-index:10;background:color-mix(in srgb, var(--brand-1) 92%, transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#fff;position:sticky;top:0}.nav-inner{align-items:center;gap:24px;height:60px;display:flex}.brand{color:inherit;align-items:center;gap:10px;font-size:1.05rem;font-weight:700;display:flex}.brand:hover{text-decoration:none}.nav-links{gap:22px;margin-left:auto;display:flex}.nav-links a{color:#ffffffd9;font-size:.95rem}.nav-actions{align-items:center;gap:12px;display:flex}.gh{color:#fff;display:flex}@media (width<=760px){.nav-links{display:none}.nav-actions{margin-left:auto}}.hero{background:radial-gradient(1000px 500px at 85% 10%, #ffc83d2e, transparent 60%), linear-gradient(135deg, var(--brand-1), var(--brand-2));color:#fff;padding:72px 0 88px;overflow:hidden}.hero-inner{grid-template-columns:1.05fr 1fr;align-items:center;gap:48px;display:grid}@media (width<=900px){.hero-inner{grid-template-columns:1fr}}.badge{background:#ffffff24;border:1px solid #ffffff40;border-radius:999px;margin-bottom:18px;padding:4px 12px;font-size:.85rem;display:inline-block}.hero h1{letter-spacing:-.02em;margin-bottom:18px;font-size:clamp(2.6rem,6vw,4.2rem)}.accent{background:linear-gradient(90deg, var(--accent), var(--accent-2));color:#0000;-webkit-background-clip:text;background-clip:text}.lead{color:#ffffffd9;max-width:34em;margin-bottom:28px;font-size:1.15rem}.cta-row{flex-wrap:wrap;gap:12px;display:flex}.btn{border-radius:12px;align-items:center;gap:10px;padding:12px 20px;font-weight:600;transition:transform .15s,box-shadow .15s;display:inline-flex}.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn-primary{background:linear-gradient(90deg, var(--accent), var(--accent-2));color:#1b1f4d;box-shadow:0 8px 24px #ff9f1c59}.btn-ghost{color:#fff;border:1px solid #ffffff59}.btn-ghost:hover{background:#ffffff14}.ver{background:#1b1f4d26;border-radius:999px;padding:2px 8px;font-size:.8rem;font-weight:700}.demo{height:340px;position:relative}@media (width<=900px){.demo{max-width:460px;height:320px}}.file{text-align:center;width:96px;position:absolute;top:10px;left:4%}.file-thumb{color:#4e34c8;background:linear-gradient(160deg,#fff,#dfe3ff);border-radius:8px;outline:2px solid #fff9;place-items:end center;width:76px;height:92px;margin:0 auto 6px;padding-bottom:10px;font-size:.8rem;font-weight:800;display:grid;box-shadow:0 6px 18px #00000040}.file-name{font-size:.85rem}.menu,.submenu{background:var(--menu-bg);color:var(--menu-fg);border-radius:10px;min-width:190px;padding:6px;font-size:.9rem;box-shadow:0 16px 40px #00000059}.menu{animation:.35s ease-out .2s both pop;position:absolute;top:70px;left:22%}.menu-item{white-space:nowrap;border-radius:6px;align-items:center;gap:8px;padding:6px 10px;display:flex;position:relative}.menu-sep{background:#7f7f7f40;height:1px;margin:4px 6px}.menu-active{background:var(--menu-hover);animation:.3s .8s both hl}.chev{opacity:.6;margin-left:auto}.submenu{min-width:120px;animation:.3s ease-out 1.1s both pop;position:absolute;top:-6px;left:calc(100% + 4px)}.pick{animation:.3s 1.8s both pick}.toast{background:var(--menu-bg);color:var(--menu-fg);border-radius:10px;align-items:center;gap:10px;padding:12px 16px;font-size:.9rem;font-weight:600;animation:.4s ease-out 2.4s both rise;display:flex;position:absolute;top:8px;right:0;box-shadow:0 16px 40px #00000059}@keyframes pop{0%{opacity:0;transform:scale(.96)translateY(-4px)}to{opacity:1;transform:none}}@keyframes hl{0%{background:0 0}to{background:var(--menu-hover)}}@keyframes pick{to{color:#fff;background:#4e34c8}}@keyframes rise{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){.menu,.submenu,.menu-active,.pick,.toast{animation-duration:10ms;animation-delay:0s}}@media (width<=520px){.demo{height:400px}.file{top:0;left:0}.menu{min-width:176px;top:112px;left:0}.submenu{min-width:104px}.toast{inset:auto auto 0 0}}.section{padding:84px 0}.section.alt{background:var(--bg-alt)}.grid{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}@media (width<=900px){.grid{grid-template-columns:repeat(2,1fr)}}@media (width<=600px){.grid{grid-template-columns:1fr}}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.card.plain{box-shadow:none}.card p{color:var(--muted)}.card-icon{margin-bottom:10px;font-size:1.8rem}.steps{counter-reset:s;grid-template-columns:repeat(3,1fr);gap:20px;margin:0 0 24px;padding:0;list-style:none;display:grid}@media (width<=760px){.steps{grid-template-columns:1fr}}.steps li{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.steps p{color:var(--muted)}.step-n{background:linear-gradient(135deg, var(--brand-1), var(--brand-2));color:#fff;border-radius:50%;place-items:center;width:34px;height:34px;margin-bottom:12px;font-weight:700;display:inline-grid}.download{grid-template-columns:1.1fr 1fr;gap:28px;display:grid}@media (width<=860px){.download{grid-template-columns:1fr}}.dl-main{flex-direction:column;gap:14px;min-width:0;display:flex}.dl-card{border-radius:var(--radius);border:1px solid var(--border);background:var(--card);color:var(--fg);flex-direction:column;gap:4px;padding:20px 22px;transition:transform .15s,border-color .15s;display:flex}.dl-card:hover{border-color:var(--brand-2);text-decoration:none;transform:translateY(-2px)}.dl-card.primary{background:linear-gradient(135deg, var(--brand-1), var(--brand-2));color:#fff;border:none}.dl-card.primary .dl-hint{color:#ffffffd1}.dl-title{font-size:1.1rem;font-weight:700}.dl-hint{color:var(--muted);font-size:.95rem}.dl-meta{opacity:.85;margin-top:4px;font-size:.85rem}.dl-links{flex-wrap:wrap;gap:18px;font-size:.95rem;display:flex}.sha{color:var(--muted);word-break:break-all;font-size:.75rem}.dl-side ul{color:var(--muted);margin:8px 0 20px;padding-left:1.2em}.notice{border-left:4px solid var(--accent-2);background:var(--bg-alt);border-radius:8px;padding:14px 16px}.notice p{color:var(--muted);margin-top:4px;font-size:.95rem}.faq{border-bottom:1px solid var(--border);padding:14px 4px}.faq summary{cursor:pointer;justify-content:space-between;gap:16px;font-weight:600;list-style:none;display:flex}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";color:var(--muted);font-weight:400}.faq[open] summary:after{content:"–"}.faq p{color:var(--muted);margin-top:8px}.footer{background:var(--brand-1);color:#ffffffd9;padding:28px 0}.footer-inner{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;display:flex}.footer nav{flex-wrap:wrap;gap:20px;font-size:.9rem;display:flex}.footer a{color:#ffffffd9}.brand.small{font-size:.95rem}:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}