:root{--home-bg:#fffefb;--home-bg-strong:#fff;--home-text:#1f2423;--home-muted:#69716f;--home-border:#d9ddd5;--home-accent:#fb7185;--home-accent-strong:#f43f5e;--home-control-bg:#f0f1ec;--home-control-hover:#e5e8df;--home-card-shadow:0 18px 44px #41463f1a;--home-doc-bg:#fffdfa;--home-doc-line:#d9ddd5;--home-doc-soft:#f4f1e9;--home-doc-shadow:0 16px 34px #20222024;--app-surface:var(--home-bg);--app-text:var(--home-text);--app-muted:var(--home-muted);--app-border:var(--home-border);--app-accent:var(--home-accent);--app-accent-strong:var(--home-accent-strong);--control-active-bg:var(--home-control-bg);--tool-shell-max-width:1180px;--tool-shell-gutter:clamp(18px, 4vw, 56px);color-scheme:light dark;text-rendering:optimizelegibility;font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.5}:root[data-theme=dark]{--home-bg:#111827;--home-bg-strong:#1f2937;--home-text:#f3f6fb;--home-muted:#98a6ba;--home-border:#2a3850;--home-accent:#fb7185;--home-accent-strong:#f43f5e;--home-control-bg:#111b2c;--home-control-hover:#223049;--home-card-shadow:0 18px 52px #00000052;--home-doc-bg:#101a2b;--home-doc-line:#2a3850;--home-doc-soft:#1b2638;--home-doc-shadow:0 16px 34px #00000052;color-scheme:dark}*{box-sizing:border-box}body{background:linear-gradient(135deg, var(--home-bg) 0%, var(--home-bg-strong) 52%, var(--home-bg) 100%);color:var(--home-text);min-height:100vh;margin:0}a{color:inherit;text-decoration:none}:root[data-home-language=zh] [data-lang=en],:root[data-home-language=en] [data-lang=zh]{display:none}.home-shell{--site-footer-height:44px;max-width:var(--tool-shell-max-width,1180px);min-height:100vh;width:calc(100% - (var(--tool-shell-gutter,16px) + var(--tool-shell-gutter,16px)));flex-direction:column;margin:0 auto;display:flex}.home-hero{flex-direction:column;flex:none;justify-content:flex-start;align-items:stretch;gap:clamp(26px,5vw,44px);padding:34px 0 58px;display:flex}.home-copy{min-width:0;max-width:760px}h1{letter-spacing:0;overflow-wrap:anywhere;margin:0;font-size:56px;line-height:1.12}.home-description{border-left:2px solid var(--home-accent);color:var(--home-muted);max-width:760px;margin:20px 0 0;padding-left:16px;font-size:16px;line-height:1.8}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;min-width:0;padding-bottom:52px;display:grid}.tool-card{background:color-mix(in srgb, var(--home-bg) 94%, transparent);border:1px solid var(--home-border);box-shadow:var(--home-card-shadow);border-radius:8px;grid-template-columns:minmax(0,1fr) 66px;gap:12px;min-width:0;min-height:158px;padding:18px;display:grid;overflow:hidden}.tool-card:hover{border-color:color-mix(in srgb, var(--home-accent) 42%, var(--home-border))}.tool-card h2{letter-spacing:0;margin:0;font-size:22px;line-height:1.18}.tool-card p{color:var(--home-muted);margin:10px 0 0;font-size:14px;line-height:1.62}.tool-card__action{background:var(--home-accent-strong);color:#fff;border-radius:8px;align-items:center;height:34px;margin-top:18px;padding:0 13px;font-size:13px;font-weight:800;display:inline-flex}.tool-card__preview{opacity:.68;justify-content:center;align-items:center;min-height:0;padding:6px 0;display:flex}.tool-card__preview--pdf .preview-doc{max-width:44px;min-height:60px}.tool-card__preview--pdf .preview-doc:after{background:var(--home-doc-line);content:"";justify-self:end;width:34%;height:3px;margin-top:2px;display:block}.tool-card__preview--cards .preview-doc{aspect-ratio:3/4;max-width:42px;position:relative;transform:rotate(2deg)}.tool-card__preview--cards .preview-doc:before,.tool-card__preview--cards .preview-doc:after{background:var(--home-doc-bg);border:1px solid var(--home-border);content:"";z-index:-1;position:absolute;inset:0}.tool-card__preview--cards .preview-doc:before{transform:rotate(-8deg)translate(-8px,2px)}.tool-card__preview--cards .preview-doc:after{transform:rotate(6deg)translate(8px,3px)}.preview-doc{background:var(--home-doc-bg);gap:3px;width:100%;max-width:48px;padding:7px;display:grid;box-shadow:0 8px 18px #2022201f}.preview-doc span,.preview-doc strong,.preview-doc i,.preview-doc em{background:var(--home-doc-line);height:3px;display:block}.preview-doc span{background:var(--home-accent);width:58%;height:4px}.preview-doc strong{width:82%;height:4px}.preview-doc i:first-of-type{width:100%}.preview-doc i:nth-of-type(2){width:88%}.preview-doc em{background:var(--home-doc-soft);border-left:2px solid var(--home-accent);width:100%;height:12px;margin:1px 0}.preview-doc i:nth-of-type(3){width:70%}.site-footer{color:color-mix(in srgb, var(--home-muted) 72%, transparent);min-height:var(--site-footer-height);align-items:center;margin-top:auto;font-size:11px;display:flex}.site-footer__inner{flex-wrap:wrap;justify-content:center;align-items:center;gap:8px 14px;width:100%;padding:10px 0;display:flex}.site-footer a:hover{color:var(--home-muted);text-underline-offset:3px;text-decoration:underline}@media (width<=820px){.home-hero{align-items:start;min-height:0;padding-top:54px}.tool-grid{width:100%}.tool-card{grid-template-columns:minmax(0,1fr) 60px;min-height:0}}@media (width<=520px){.home-hero{padding-top:36px;padding-bottom:40px}h1{font-size:40px}.home-description{padding-left:14px;font-size:15px}.tool-card{grid-template-columns:1fr;padding:20px}.tool-card__preview{display:none}.tool-grid{grid-template-columns:1fr}}