:root{--background:#f8fafc;--surface:#fff;--primary:#2563eb;--primary-hover:#1d4ed8;--text-primary:#0f172a;--text-secondary:#64748b;--border:#e2e8f0;--success:#16a34a;--warning:#f59e0b;--danger:#dc2626}*{box-sizing:border-box}html,body{min-height:100%}body{background:var(--background);color:var(--text-primary);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:14px}button,input{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}.home-page{width:min(100%,1200px);min-height:100vh;margin:0 auto;padding:24px}.home-header{justify-content:space-between;align-items:center;gap:16px;min-height:48px;display:flex}.home-brand{color:var(--text-primary);font-size:18px;font-weight:700}.home-language-switcher{border:1px solid var(--border);background:var(--surface);border-radius:999px;gap:2px;padding:3px;display:inline-flex}.home-language-link{min-height:32px;color:var(--text-secondary);border-radius:999px;align-items:center;padding:0 12px;font-size:13px;font-weight:600;display:inline-flex}.home-language-link:hover{color:var(--text-primary);background:#f1f5f9}.smart-language-switcher{border:1px solid var(--border);background:var(--surface);border-radius:999px;align-items:center;gap:2px;margin-left:auto;padding:3px;display:inline-flex;position:relative}.smart-language-link,.smart-language-more{min-height:32px;color:var(--text-secondary);border-radius:999px;justify-content:center;align-items:center;font-size:13px;font-weight:600;display:inline-flex}.smart-language-link{padding:0 12px}.smart-language-link:hover,.smart-language-link.is-current,.smart-language-more:hover,.smart-language-menu[open] .smart-language-more{color:var(--text-primary);background:#f1f5f9}.smart-language-menu{position:relative}.smart-language-more{cursor:pointer;border:0;width:32px;list-style:none}.smart-language-more::-webkit-details-marker{display:none}.smart-language-menu-panel{z-index:20;border:1px solid var(--border);background:var(--surface);border-radius:12px;gap:2px;min-width:180px;padding:6px;display:grid;position:absolute;top:calc(100% + 8px);right:0;box-shadow:0 12px 28px #0f172a1f}.smart-language-menu-item{min-height:36px;color:var(--text-primary);border-radius:8px;align-items:center;padding:0 10px;font-size:14px;font-weight:500;display:flex}.smart-language-menu-item:hover,.smart-language-menu-item.is-current{background:#f1f5f9}.home-hero{max-width:760px;padding:76px 0 40px}.home-hero h1{color:var(--text-primary);letter-spacing:0;margin:0;font-size:42px;font-weight:700;line-height:1.18}.home-hero p{color:var(--text-secondary);margin:16px 0 0;font-size:18px;line-height:1.6}.home-tools{gap:16px;display:grid}.home-tools h2{color:var(--text-primary);margin:0;font-size:18px;font-weight:600}.tool-card{border:1px solid var(--border);background:var(--surface);border-radius:12px;gap:8px;max-width:560px;padding:20px;display:grid;box-shadow:0 8px 22px #0f172a0d}.tool-card:hover{border-color:var(--primary)}.tool-card-title{color:var(--text-primary);font-size:18px;font-weight:600}.tool-card-description{color:var(--text-secondary);font-size:14px;line-height:1.55}.tool-card-action{color:var(--primary);margin-top:8px;font-size:14px;font-weight:600}@media (max-width:720px){.home-page{padding:16px}.home-header{flex-direction:column;align-items:flex-start}.smart-language-switcher{margin-left:0}.home-hero{padding:48px 0 32px}.home-hero h1{font-size:32px}.home-hero p{font-size:16px}}