:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--background:#f6f8fb;--surface:#fff;--surface-muted:#eef3f8;--text:#18202a;--muted:#5e6b7a;--line:#dce4ee;--accent:#0f766e;--accent-strong:#0b5f59;--danger:#b42318;--shadow:0 14px 35px #1c2b3b14}*{box-sizing:border-box}html{background:var(--background);max-width:100%;overflow-x:hidden}body{color:var(--text);background:var(--background);max-width:100%;margin:0;font-family:Arial,Helvetica,sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}textarea,input{border:1px solid var(--line);width:100%;color:var(--text);background:#fbfdff;border-radius:8px;padding:12px 14px}textarea{resize:vertical;min-height:150px;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;line-height:1.55}input{min-height:46px}.page-shell{width:min(1180px,100% - 32px);max-width:calc(100vw - 32px);margin:0 auto;padding:22px 0 48px}.site-header{justify-content:space-between;align-items:center;gap:18px;padding:12px 0 28px;display:flex}.brand,.site-nav{align-items:center;gap:10px;display:flex}.brand{font-size:1.1rem;font-weight:750}.brand-mark{color:#fff;background:var(--accent);border-radius:8px;place-items:center;width:34px;height:34px;display:grid}.site-nav a{border:1px solid var(--line);color:var(--muted);background:#ffffffb8;border-radius:999px;padding:8px 12px}.hero{grid-template-columns:minmax(0,1fr);align-items:stretch;gap:24px;padding:26px 0 18px;display:grid}.hero h1,.tool-heading h1{letter-spacing:0;max-width:780px;margin:0;font-size:clamp(2.1rem,7vw,4.5rem);line-height:1}.hero p,.tool-heading p{max-width:760px;color:var(--muted);overflow-wrap:anywhere;margin:18px 0 0;font-size:1.08rem;line-height:1.7}.tools-section{padding:28px 0 0}.tools-section h2{color:var(--muted);text-transform:uppercase;margin:0 0 16px;font-size:1rem;font-weight:700}.tool-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.tool-card{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:8px;min-width:0;transition:transform .16s,box-shadow .16s,border-color .16s}.tool-card:hover{border-color:#b7c9dd;transform:translateY(-2px);box-shadow:0 18px 42px #1c2b3b1f}.tool-card-link{border-radius:8px;flex-direction:column;justify-content:space-between;gap:18px;height:100%;min-height:220px;padding:18px;display:flex}.tool-card-link:focus-visible{outline-offset:0;outline:3px solid #0f766e38}.tool-card h2{margin:0;font-size:1.35rem}.tool-card p{color:var(--muted);line-height:1.6}.tool-category{letter-spacing:0;text-transform:uppercase;margin:0 0 12px;font-size:.75rem;font-weight:800}.tool-card-button{pointer-events:none;width:100%}.button{border:1px solid var(--accent);color:#fff;background:var(--accent);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;min-height:42px;padding:9px 14px;font-weight:700;display:inline-flex}.button:hover{background:var(--accent-strong)}.button:disabled{cursor:not-allowed;opacity:.55}.button-secondary{color:var(--accent);background:#f3fbfa}.button-secondary:hover{color:#fff}.tool-card:hover .tool-card-button,.tool-card-link:focus-visible .tool-card-button{color:#fff;background:var(--accent-strong)}.button-ghost{border-color:var(--line);color:var(--muted);background:#fff}.button-ghost:hover{color:var(--text);background:var(--surface-muted)}.tool-layout{gap:24px;display:grid}.tool-heading{padding-top:22px}.back-link{color:var(--accent);margin-bottom:18px;font-weight:700;display:inline-flex}.tool-panel{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:8px;min-width:0;padding:18px}.ad-panel{border:1px solid var(--line);background:var(--surface);min-width:0;box-shadow:var(--shadow);border-radius:8px;padding:12px;overflow:hidden}.tool-form{gap:14px;min-width:0;display:grid}.tool-form label{color:var(--muted);gap:8px;min-width:0;font-weight:700;display:grid}.segmented-actions,.tool-actions{flex-wrap:wrap;gap:10px;display:flex}.error-text{border-left:3px solid var(--danger);color:var(--danger);background:#fff4f2;margin:0;padding:10px 12px}.helper-text{color:var(--muted);margin:0;line-height:1.6}.clock-skew-summary{border:1px solid var(--line);background:#fbfdff;border-radius:8px;justify-content:space-between;align-items:center;gap:16px;padding:16px;display:flex}.clock-skew-summary>div{gap:6px;min-width:0;display:grid}.clock-skew-summary span{color:var(--muted);font-size:.88rem;font-weight:700}.clock-skew-summary strong{font-size:1.35rem}.clock-skew-summary p{color:var(--muted);margin:0;line-height:1.55}.clock-skew-summary-ok{background:#f1fbf8;border-color:#b7ded4}.clock-skew-summary-warning{background:#fff8e8;border-color:#f0c36d}.clock-skew-summary-danger{background:#fff4f2;border-color:#f0aaa3}.result-list{gap:10px;display:grid}.result-list>div{border:1px solid var(--line);background:#fbfdff;border-radius:8px;grid-template-columns:140px minmax(0,1fr);align-items:center;gap:12px;padding:12px;display:grid}.result-list>div>span{color:var(--muted)}.result-label{align-items:center;gap:6px;min-width:0;display:inline-flex}.tooltip-wrapper{flex:none;display:inline-flex;position:relative}.tooltip-trigger{border:1px solid var(--line);width:18px;height:18px;color:var(--muted);cursor:help;background:#fff;border-radius:999px;justify-content:center;align-items:center;padding:0;font-size:.72rem;font-weight:800;line-height:1;display:inline-flex}.tooltip-content{z-index:2;width:min(280px,100vw - 48px);color:var(--text);box-shadow:var(--shadow);opacity:0;pointer-events:none;background:#fff;border:1px solid #b7c9dd;border-radius:8px;padding:9px 10px;font-size:.82rem;font-weight:500;line-height:1.45;transition:opacity .12s,transform .12s;position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%)}.tooltip-wrapper:hover .tooltip-content,.tooltip-trigger:focus-visible+.tooltip-content{opacity:1;transform:translate(-50%)translateY(-2px)}.result-list>div strong{overflow-wrap:anywhere;font-weight:700}.command-preview{font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:.94rem}.result-value-group{justify-content:flex-start;align-items:center;gap:8px;min-width:0;display:flex}.result-value-group strong{flex:0 auto;min-width:0}.result-copy-button{width:28px;height:28px;color:var(--muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:6px;flex:none;justify-content:center;align-items:center;padding:0;display:inline-flex}.result-copy-button svg{width:15px;height:15px}.result-copy-button:hover{color:var(--accent);background:#f3fbfa}.result-copy-button:focus-visible{outline-offset:1px;outline:2px solid #0f766e38}.result-copy-button[aria-label=已复制],.result-copy-button[aria-label=Copied]{color:var(--accent);background:#f3fbfa}.redirect-page{text-align:center;place-items:center;min-height:100vh;padding:24px;display:grid}@media (max-width:860px){.hero,.tool-grid{grid-template-columns:1fr}}@media (max-width:560px){.page-shell{width:calc(100% - 24px);max-width:calc(100vw - 24px);padding-bottom:32px}.site-header{flex-direction:column;align-items:flex-start}.site-nav{grid-template-columns:minmax(0,1fr) minmax(0,1fr);width:100%;display:grid}.site-nav a{text-align:center;min-width:0}.hero h1,.tool-heading h1{font-size:2.35rem}.tool-card,.tool-panel{padding:14px}.result-list>div{grid-template-columns:1fr}.result-value-group{flex-wrap:wrap}.clock-skew-summary{flex-direction:column;align-items:stretch}}