:root{--c-primary:#6366f1;--c-primary-dark:#4f46e5;--c-accent:#14b8a6;--c-bg:#ffffff;--c-bg-soft:#f7f8fc;--c-text:#1e2235;--c-text-soft:#5a6072;--c-border:#e8eaf3;--c-card:#ffffff;--grad:linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #14b8a6 100%);--shadow:0 10px 40px rgba(99, 102, 241, 0.12);--radius:16px;--maxw:1160px}@media (prefers-color-scheme:dark){:root{--c-bg:#0e1018;--c-bg-soft:#161927;--c-text:#eef0f8;--c-text-soft:#a3a9bd;--c-border:#262a3d;--c-card:#181b2a;--shadow:0 10px 40px rgba(0, 0, 0, 0.4)}}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,sans-serif;color:var(--c-text);background:var(--c-bg);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}a{color:inherit;text-decoration:none}img,svg{max-width:100%;display:block}.container{max-width:var(--maxw);margin:0 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.row:last-child{margin-bottom:0;background:linear-gradient(135deg,rgba(99,102,241,.1),rgba(20,184,166,.1))}.demo .lang{font-size:12px;color:var(--c-text-soft);font-weight:600;margin-bottom:5px;text-transform:uppercase;letter-spacing:.5px}.demo .txt{font-size:16px;font-weight:500}.demo .arrow{text-align:center;color:var(--c-primary);font-size:20px;margin:4px 0}.dl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.dl-card{background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--radius);padding:28px 22px;text-align:center;transition:transform .2s,box-shadow .2s,border-color .2s}.dl-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--c-primary)}.dl-card .pic{width:52px;height:52px;margin:0 auto 16px;color:var(--c-primary)}.dl-card h3{font-size:18px;font-weight:700;margin-bottom:4px}.dl-card span{display:block;color:var(--c-text-soft);font-size:13px;margin-bottom:18px}.dl-card .btn{width:100%}.faq{max-width:820px;margin:0 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p{font-size:17px;opacity:.95;margin-bottom:28px}.cta-inner .btn{background:#fff;color:var(--c-primary-dark);padding:15px 36px;font-size:17px}.cta-inner .btn:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(0,0,0,.2)}footer.site-footer{border-top:1px solid var(--c-border);padding:52px 0 30px;background:var(--c-bg-soft)}.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}.foot-about p{color:var(--c-text-soft);font-size:14px;margin-top:14px;max-width:320px}.foot-col h4{font-size:14px;font-weight:700;margin-bottom:16px;text-transform:uppercase;letter-spacing:.5px}.foot-col a{display:block;color:var(--c-text-soft);font-size:14px;margin-bottom:11px;transition:color .2s}.foot-col a:hover{color:var(--c-primary)}.foot-bottom{border-top:1px solid var(--c-border);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--c-text-soft);font-size:13px}@media (max-width:900px){.dl-grid,.features{grid-template-columns:repeat(2,1fr)}.showcase-inner{grid-template-columns:1fr;padding:38px 28px}.foot-grid{grid-template-columns:1fr 1fr}}@media (max-width:640px){.nav-links{display:none}.nav-toggle{display:block}.nav-links.open{display:flex;flex-direction:column;position:absolute;top:66px;left:0;right:0;background:var(--c-bg);border-bottom:1px solid var(--c-border);padding:20px 24px;gap:18px;align-items:flex-start}.dl-grid,.features{grid-template-columns:1fr}.foot-grid{grid-template-columns:1fr;gap:28px}.hero{padding:60px 0 50px}section.block{padding:56px 0}}.skip-link{position:fixed;left:16px;top:12px;z-index:1000;padding:10px 16px;border-radius:10px;background:var(--c-text);color:var(--c-bg);transform:translateY(-160%);transition:transform .18s}.skip-link:focus{transform:translateY(0)}section[id]{scroll-margin-top:82px}.faq-section{background:var(--c-bg-soft)}.download-note{text-align:center;margin-top:26px;color:var(--c-text-soft);font-size:15px}.inline-link{color:var(--c-primary);font-weight:600}a:focus-visible,button:focus-visible{outline:3px solid color-mix(in srgb,var(--c-primary) 72%,white);outline-offset:3px}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,::after,::before{scroll-behavior:auto!important;transition-duration:NaNs!important;animation-duration:NaNs!important;animation-iteration-count:1!important}}@supports not (color:color-mix(in srgb,black,white)){a:focus-visible,button:focus-visible{outline-color:var(--c-primary)}}.btn-disabled,.btn-disabled:hover{background:var(--c-bg-soft);color:var(--c-text-soft);border:1px solid var(--c-border);box-shadow:none;cursor:not-allowed;transform:none;opacity:.82}.legal-hero{padding:70px 0 48px;background:var(--c-bg-soft);border-bottom:1px solid var(--c-border)}.legal-hero .eyebrow{color:var(--c-primary);font-size:14px;font-weight:700;letter-spacing:1px;text-transform:uppercase}.legal-hero h1{font-size:clamp(32px, 5vw, 48px);line-height:1.2;margin:10px 0 14px}.legal-hero p{max-width:760px;color:var(--c-text-soft);font-size:17px}.legal-meta{margin-top:18px;display:flex;gap:18px;flex-wrap:wrap;color:var(--c-text-soft);font-size:14px}.legal-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:54px;align-items:start;padding:60px 0 80px}.legal-toc{position:sticky;top:92px;padding:20px;border:1px solid var(--c-border);border-radius:var(--radius);background:var(--c-card)}.legal-toc strong{display:block;margin-bottom:10px}.legal-toc a{display:block;padding:6px 0;color:var(--c-text-soft);font-size:14px}.legal-toc a:hover{color:var(--c-primary)}.legal-content{min-width:0}.legal-content section{scroll-margin-top:92px;margin-bottom:44px}.legal-content h2{font-size:25px;line-height:1.35;margin-bottom:14px}.legal-content h3{font-size:18px;margin:22px 0 8px}.legal-content li,.legal-content p{color:var(--c-text-soft)}.legal-content p{margin-bottom:12px}.legal-content ol,.legal-content ul{padding-left:22px;margin:10px 0 16px}.legal-content li{margin:7px 0}.legal-content a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}.legal-notice{padding:18px 20px;margin:18px 0 28px;border-radius:14px;border:1px solid color-mix(in srgb,var(--c-primary) 35%,var(--c-border));background:color-mix(in srgb,var(--c-primary) 7%,var(--c-bg))}.legal-notice strong{display:block;margin-bottom:5px}.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:18px 0 24px}.info-card{padding:18px;border:1px solid var(--c-border);border-radius:14px;background:var(--c-card)}.info-card small{display:block;color:var(--c-text-soft);margin-bottom:3px}.info-card strong{overflow-wrap:anywhere}@media (max-width:760px){.legal-layout{grid-template-columns:1fr;gap:28px;padding-top:38px}.legal-toc{position:static}.info-grid{grid-template-columns:1fr}}.detail-section{background:var(--c-bg)}.detail-section:nth-of-type(2n){background:var(--c-bg-soft)}.detail-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.detail-card{padding:24px;border:1px solid var(--c-border);border-radius:var(--radius);background:var(--c-card);box-shadow:var(--shadow)}.detail-card h3{margin-bottom:12px;font-size:20px;line-height:1.35}.detail-card p{color:var(--c-text-soft);margin:10px 0}.contact-address{display:inline-block;font-family:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;font-weight:600;overflow-wrap:anywhere}@media (max-width:900px){.detail-grid{grid-template-columns:1fr}}

/* Related translation tools */
.footer-related{display:flex;align-items:center;flex-wrap:wrap;gap:8px 16px;padding:20px 0;border-top:1px solid var(--c-border);font-size:14px;color:var(--c-text-soft)}
.footer-related a{color:var(--c-primary);font-weight:500;text-underline-offset:4px}
.footer-related a:hover{text-decoration:underline}
@media(max-width:640px){.footer-related{font-size:13px;gap:8px 12px}}