:root{--color-inflow: #D43F3F;--color-outflow: #2E9E4F;--color-zero: #666666;--color-bg: #F7F8FA;--color-text: #1f1f1f;--color-border: #e5e7eb;--font-family-base: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}.amount-positive{color:var(--color-inflow)}.amount-negative{color:var(--color-outflow)}.amount-zero{color:var(--color-zero)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family-base);background:var(--color-bg);color:var(--color-text);line-height:1.5}a{color:var(--color-text)}.app-container{max-width:960px;margin:0 auto;padding:16px}.nav{display:flex;gap:12px;margin-bottom:24px}.nav a{text-decoration:none;padding:8px 16px;border-radius:6px;background:#fff;border:1px solid var(--color-border)}.nav a.active{background:var(--color-inflow);color:#fff}.site-footer{text-align:center;padding:24px;font-size:12px;color:#888;margin-top:48px}.site-footer a{color:#888}