:root{color-scheme:light;--bg1: #eaf4ff;--bg2: #f1ecff;--bg3: #e9fffe;--card: rgba(255, 255, 255, .7);--card-hover: rgba(255, 255, 255, .85);--border: rgba(255, 255, 255, .55);--text: #12151a;--muted: rgba(18, 21, 26, .62);--accent: #0066cc;--accent-bg: rgba(0, 102, 204, .12);--danger: #ef4444;--radius-lg: 18px;--radius-md: 12px;--shadow: 0 18px 40px rgba(10, 24, 42, .1)}*{box-sizing:border-box}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Microsoft YaHei,sans-serif;color:var(--text);background:linear-gradient(135deg,var(--bg1),var(--bg2),var(--bg3));min-height:100vh}a{color:inherit;text-decoration:none;transition:opacity .2s}button{font-family:inherit}.app{min-height:100vh;display:flex;flex-direction:column}.container{width:100%;max-width:1080px;margin:0 auto;padding:0 24px}.main{flex:1;width:100%;max-width:1080px;margin:0 auto;padding:24px}.stack{display:flex;flex-direction:column;gap:24px}.row{display:flex;align-items:center;gap:12px}.row.wrap{flex-wrap:wrap}.spacer{flex:1}.text-center{text-align:center}.header{position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#fff6;border-bottom:1px solid rgba(255,255,255,.35);height:64px;display:flex;align-items:center}.header-content{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:1080px;margin:0 auto;padding:0 24px}.brand{font-weight:800;letter-spacing:.2px;font-size:18px;display:flex;align-items:center;gap:10px}.logo-placeholder{width:28px;height:28px;background:var(--accent);color:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px}.nav{display:flex;gap:8px}.nav a{padding:8px 16px;border-radius:999px;color:var(--muted);font-size:14px;font-weight:500;transition:all .2s}.nav a:hover{color:var(--text);background:#ffffff4d}.nav a.active{background:#ffffffa6;border:1px solid rgba(255,255,255,.55);color:var(--text);box-shadow:0 2px 8px #00000005}.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:40px 0}.heroText h1{margin:10px 0 20px;font-size:48px;letter-spacing:-1px;line-height:1.1;background:linear-gradient(135deg,var(--text) 0%,#4a5568 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.heroText p{font-size:16px;line-height:1.6;margin-bottom:30px}.badge{display:inline-block;padding:4px 12px;border-radius:99px;background:var(--accent-bg);color:var(--accent);font-size:12px;font-weight:700;border:1px solid rgba(0,102,204,.2)}.heroPanel{display:flex;justify-content:center}.app-preview-mock{width:100%;max-width:420px;height:280px;background:#fff9;border:1px solid var(--border);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:var(--shadow);display:flex;flex-direction:column;overflow:hidden;position:relative}.mock-header{height:36px;border-bottom:1px solid rgba(0,0,0,.05);display:flex;align-items:center;padding:0 16px;gap:8px;background:#fff6}.dot{width:10px;height:10px;border-radius:50%}.dot.red{background:#ff5f56}.dot.yellow{background:#ffbd2e}.dot.green{background:#27c93f}.mock-body{flex:1;display:flex}.mock-sidebar{width:80px;border-right:1px solid rgba(0,0,0,.05);background:#fff3}.mock-content{flex:1}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);transition:transform .2s}.card h2{margin:0 0 16px;font-size:18px;font-weight:700}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}.feature-card{padding:20px;border-radius:var(--radius-md);background:#ffffff73;border:1px solid var(--border);display:flex;flex-direction:column;gap:10px;transition:all .2s}.feature-card:hover{background:var(--card-hover);transform:translateY(-2px);box-shadow:0 8px 20px #0000000a}.feature-card h3{margin:0;font-size:16px}.icon-box{width:42px;height:42px;background:#fff;border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--accent);box-shadow:0 4px 10px #00000008;margin-bottom:4px}.download-page{max-width:800px;margin:0 auto}.platform-selector{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:10px 0 30px}.plat-card{display:flex;flex-direction:column;align-items:center;gap:12px;padding:20px;border-radius:var(--radius-md);border:1px solid var(--border);background:#ffffff4d;color:var(--muted);cursor:pointer;transition:all .2s ease}.plat-card:hover{background:#fff9;transform:translateY(-2px)}.plat-card.active{background:#fff;border-color:var(--accent);color:var(--accent);box-shadow:0 8px 20px #0066cc1a}.release-card{background:#fff;border-radius:var(--radius-lg);border:1px solid var(--border);overflow:hidden;box-shadow:var(--shadow)}.release-header{padding:30px;background:linear-gradient(to right,#eaf4ff80,#fff0);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px}.version-tag{display:flex;align-items:baseline;gap:8px;margin:5px 0}.v-num{font-size:36px;font-weight:800;color:var(--text);line-height:1}.v-build{padding:2px 8px;background:#0000000d;border-radius:6px;font-size:14px;font-family:monospace}.sub-label{font-size:12px;font-weight:700;color:var(--accent);letter-spacing:1px;text-transform:uppercase}.divider{height:1px;background:var(--bg2)}.release-notes{padding:30px}.changelog{margin:0;white-space:pre-wrap;background:var(--bg1);border:1px solid rgba(0,0,0,.05);border-radius:var(--radius-md);padding:16px;color:var(--text);font-family:monospace;font-size:14px}.skeleton-box{padding:40px;display:flex;flex-direction:column;align-items:center;gap:20px}.sk-line{height:24px;background:#0000000d;border-radius:6px;width:100%;animation:pulse 1.5s infinite}.sk-block{width:100%;height:180px;background:#0000000d;border-radius:var(--radius-md);animation:pulse 1.5s infinite}.w-50{width:50%}.w-30{width:30%}@keyframes pulse{0%{opacity:.6}50%{opacity:.3}to{opacity:.6}}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-radius:12px;border:1px solid var(--border);background:#ffffff8c;cursor:pointer;font-weight:600;transition:all .2s;color:var(--text)}.button:hover{background:#fff;border-color:#0000001a}.button:disabled{opacity:.6;cursor:not-allowed}.button.primary{background:var(--accent-bg);border-color:#0066cc4d;color:var(--accent)}.button.primary:hover{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 4px 12px #0066cc40}.button.big{padding:12px 24px;font-size:16px}.muted{color:var(--muted)}.big{font-size:22px;font-weight:800}.error{color:var(--danger);font-size:14px}.ok{color:#067647;font-size:14px}.field{display:flex;flex-direction:column;gap:8px}.field span{font-size:13px;font-weight:600;color:var(--muted)}.field input,.field select,.field textarea{padding:12px;border-radius:12px;border:1px solid rgba(18,21,26,.12);outline:none;background:#fff9;transition:border-color .2s,background .2s;font-family:inherit}.field input:focus,.field select:focus,.field textarea:focus{background:#fff;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg)}.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.field.checkbox{flex-direction:row;align-items:center;gap:12px;padding-top:26px}.footer{padding:24px 0;border-top:1px solid rgba(255,255,255,.3);margin-top:auto}.footer-row{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:14px}.footer-link{display:flex;align-items:center;gap:6px;cursor:pointer;padding:6px 12px;border-radius:8px;transition:background .2s}.footer-link:hover{background:#ffffff80;color:var(--text)}.copy-icon{opacity:0;transition:opacity .2s;transform:scale(.8)}.footer-link:hover .copy-icon{opacity:1;transform:scale(1)}@media(max-width:880px){.hero{grid-template-columns:1fr;text-align:center}.heroPanel{display:none}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.grid2{grid-template-columns:1fr}.platform-selector{gap:8px}.release-header{flex-direction:column;align-items:flex-start}.release-header .action-area,.release-header .button{width:100%}}@media(max-width:500px){.grid,.platform-selector{grid-template-columns:1fr}}