:root{--text:#475569;--text-h:#0f172a;--bg:#fff;--bg-alt:#f8fafc;--border:#e2e8f0;--accent:#d94b2a;--accent-hover:#bf3f22;--accent-bg:#d94b2a14;--accent-border:#d94b2a40;--card-bg:#fff;--card-shadow:0 1px 3px #0000000f, 0 1px 2px #0000000a;--card-shadow-hover:0 10px 25px -5px #00000014, 0 4px 10px -6px #0000000a;--btn-primary-text:#fff;--btn-secondary-bg:var(--accent-bg);--btn-secondary-text:var(--accent);--sans:"PingFang SC", "Noto Sans SC", system-ui, "Segoe UI", Roboto, sans-serif;font-family:var(--sans);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px;line-height:1.7}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--text:#9aa4bf;--text-h:#e8edf5;--bg:#0d1321;--bg-alt:#151d31;--border:#242d45;--accent:#5b8af5;--accent-hover:#7aa2f7;--accent-bg:#5b8af51a;--accent-border:#5b8af540;--card-bg:#151d31;--card-shadow:0 1px 3px #0006, 0 1px 2px #0000004d;--card-shadow-hover:0 10px 25px -5px #00000080, 0 4px 10px -6px #0000004d;--btn-primary-text:#fff;--btn-secondary-bg:#5b8af51a;--btn-secondary-text:var(--accent)}}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);margin:0}h1,h2,h3{font-family:var(--sans);color:var(--text-h);font-weight:700;line-height:1.3}h1{font-size:2.5rem}h2{margin-bottom:1rem;font-size:1.75rem}h3{margin-bottom:.5rem;font-size:1.125rem}p{margin:0 0 1rem}a{color:var(--accent);text-decoration:none;transition:color .2s}a:hover{color:var(--accent-hover)}img{max-width:100%;height:auto}strong{color:var(--text-h);font-weight:600}.hero{text-align:center;background:linear-gradient(180deg, var(--accent-bg) 0%, transparent 70%);justify-content:center;align-items:center;min-height:80vh;padding:40px 24px;display:flex}.hero-content{max-width:520px}.hero-icon{filter:drop-shadow(0 4px 12px #0000001f);border-radius:28px;width:128px;height:auto;margin-bottom:24px}.hero h1{letter-spacing:-.02em;margin-bottom:8px;font-size:3rem}.hero-subtitle{color:var(--accent);margin-bottom:16px;font-size:1.25rem;font-weight:600}.hero-desc{color:var(--text);margin-bottom:32px;font-size:1.125rem}.hero-actions{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}@media (width<=640px){.hero{min-height:70vh;padding:32px 20px}.hero h1{font-size:2rem}.hero-subtitle{font-size:1rem}}.section-inner{max-width:800px;margin:0 auto;padding:0 24px}.section{text-align:center;padding:80px 0}.section-alt{background:var(--bg-alt)}.section-title{margin-bottom:.75rem;font-size:1.75rem}.section-lead{max-width:600px;margin:0 auto 2.5rem;font-size:1.125rem}.btn{font-size:1rem;font-weight:600;font-family:var(--sans);cursor:pointer;border:none;border-radius:10px;justify-content:center;align-items:center;padding:12px 28px;line-height:1.4;text-decoration:none;transition:all .2s;display:inline-flex}.btn-block{width:100%}.btn-primary{background:var(--accent);box-shadow:0 2px 8px #d94b2a40;color:var(--btn-primary-text)!important}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 4px 14px #d94b2a59}.btn-outline{border:1.5px solid var(--accent-border);background:0 0;color:var(--accent)!important}.btn-outline:hover{background:var(--accent-bg);transform:translateY(-1px)}.feature-grid{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.feature-card{background:var(--card-bg);border:1px solid var(--border);text-align:center;border-radius:12px;padding:20px 18px}.feature-card h3{margin-bottom:6px;font-size:1.125rem}.feature-card p{margin:0;font-size:.875rem;line-height:1.6}.download-list{flex-direction:column;gap:12px;max-width:480px;margin-bottom:16px;margin-left:auto;margin-right:auto;display:flex}.download-option{background:var(--card-bg);border:1px solid var(--border);color:inherit;box-shadow:var(--card-shadow);text-align:left;border-radius:14px;align-items:center;gap:16px;padding:20px 24px;text-decoration:none;transition:box-shadow .25s,border-color .25s;display:flex}.download-option:hover{box-shadow:var(--card-shadow-hover);border-color:var(--accent-border)}.download-option>svg{color:var(--accent);flex-shrink:0;width:32px;height:32px}.dl-text{flex:1;min-width:0}.dl-text h3{margin-bottom:2px;font-size:1rem}.dl-text p{color:var(--text);margin:0;font-size:.875rem}.dl-arrow{color:var(--accent);opacity:.5;flex-shrink:0;font-size:1.25rem;transition:opacity .2s}.download-option:hover .dl-arrow{opacity:1}.dl-note{opacity:.6;margin:0;font-size:.875rem}.support-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;margin-bottom:32px;display:grid}.support-card{background:var(--card-bg);border:1px solid var(--border);text-align:center;box-shadow:var(--card-shadow);border-radius:14px;flex-direction:column;align-items:center;gap:8px;padding:32px 24px;display:flex}.support-card svg{color:var(--accent);margin-bottom:4px}.support-card h3{margin-bottom:0}.support-card p{flex:1;margin:0 0 12px;font-size:.9375rem}.badge{background:var(--accent-bg);color:var(--accent);border-radius:20px;padding:2px 10px;font-size:.75rem;font-weight:600;display:inline-block}.thanks-note{color:var(--text);opacity:.7;border-top:1px solid var(--border);max-width:520px;margin:0 auto;padding-top:24px;font-size:.9375rem;font-style:italic}.no-ads-banner{background:var(--accent-bg);border:1px solid var(--accent-border);border-radius:16px;padding:40px 24px}.no-ads-banner>svg{color:var(--accent);margin-bottom:12px}.no-ads-banner h2{margin-bottom:8px}.no-ads-banner p{max-width:480px;margin:0 auto;font-size:.9375rem}.footer{border-top:1px solid var(--border);text-align:center;padding:32px 0}.footer>.section-inner>p{color:var(--text);margin-bottom:8px;font-size:.875rem}.footer-disclaimer{opacity:.55;max-width:480px;margin:0 auto!important;font-size:.8125rem!important}@media (width<=640px){.section{padding:48px 0}.section-title{margin-bottom:1.25rem;font-size:1.5rem}.feature-grid{flex-direction:column;gap:10px;display:flex}.feature-card{text-align:left;background:var(--card-bg);border:1px solid var(--border);box-shadow:none;border-radius:10px;padding:12px 14px}.feature-card h3{margin-bottom:3px;font-size:1rem}.feature-card p{margin:0;font-size:.8125rem;line-height:1.5}.download-list{max-width:100%}.support-grid{grid-template-columns:1fr}.footer{padding:24px 0}}