.fb{margin-top:40px;padding:18px 20px 20px;background:var(--card, rgba(127, 127, 127, .08));border-radius:12px}.fb-h{font-size:1rem;margin:0 0 4px}.fb-sub{color:var(--muted, #6b7280);font-size:.85rem;margin:0 0 12px}.fb-text{width:100%;resize:vertical;background:var(--bg, #fff);color:var(--fg, inherit);border:1px solid var(--muted, #9aa3b2);border-radius:8px;padding:8px 10px;font:inherit}.fb-text:focus,.fb-name:focus{outline:2px solid var(--accent, #4c78a8);outline-offset:1px}.fb-row{display:flex;gap:10px;margin-top:10px;flex-wrap:wrap}.fb-name{flex:1;min-width:140px;max-width:240px;background:var(--bg, #fff);color:var(--fg, inherit);border:1px solid var(--muted, #9aa3b2);border-radius:8px;padding:6px 10px;font:inherit}.fb-send{background:var(--accent, #4c78a8);color:#fff;border:1px solid var(--accent, #4c78a8);border-radius:8px;padding:6px 16px;cursor:pointer;font:inherit}.fb-send:disabled{opacity:.5;cursor:default}.fb-note{font-size:.85rem;margin:8px 0 0}.fb-jump{position:fixed;top:14px;right:14px;z-index:10;background:var(--accent, #4c78a8);color:#fff;border:none;border-radius:999px;padding:7px 14px;font:inherit;font-size:.85rem;cursor:pointer;box-shadow:0 2px 8px #00000040}.fb-jump:hover{filter:brightness(1.1)}@media (max-width: 560px){.fb-jump{display:none}}.fb-ok{color:var(--accent, #4c78a8)}.fb-err{color:var(--accent2, #e4572e)}:root{--bg: #ffffff;--fg: #1a1a2e;--muted: #6b7280;--card: #f5f6f8;--accent: #4c78a8;--accent2: #e4572e}@media (prefers-color-scheme: dark){:root{--bg: #14161c;--fg: #e8eaf0;--muted: #9aa3b2;--card: #1e2129}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.wrap{max-width:860px;margin:0 auto;padding:32px 20px 64px}h1{font-size:1.7rem;margin:0 0 4px}.sub{color:var(--muted);margin:0 0 24px}.nowRow{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin:14px 0 10px}.nowBox{background:var(--card);border-radius:12px;padding:16px 18px}.nowName{color:var(--muted);font-size:.72rem;font-weight:650;text-transform:uppercase;letter-spacing:.06em}.nowCur{font-size:2.1rem;font-weight:700;line-height:1.15;margin-top:4px}.nowCur .nowU{font-size:1.1rem;font-weight:500;color:var(--muted);margin-left:2px}.nowSub{color:var(--muted);font-size:.72rem;margin-bottom:10px}.nowHL{display:flex;gap:16px;font-size:.92rem;font-weight:600;border-top:1px solid color-mix(in srgb,var(--muted) 25%,transparent);padding-top:8px}.nowHL em{font-style:normal;font-weight:400;color:var(--muted);font-size:.78rem;margin-right:2px}.nowHL .hi{color:var(--accent2)}.nowHL .lo{color:var(--accent)}.chart{width:100%;height:auto;background:var(--card);border-radius:10px}.h2{font-size:1rem;margin:26px 0 8px}.grid{stroke:var(--muted);stroke-width:.5;opacity:.25}.zero{stroke:var(--muted);stroke-width:1;opacity:.6}.ylab{fill:var(--muted);font-size:10px;text-anchor:end}.xlab{fill:var(--muted);font-size:10px;text-anchor:middle}.guide{stroke:var(--muted);stroke-width:1;opacity:.5}.tipbox{fill:var(--bg);stroke:var(--muted);opacity:.97}.tiphd{fill:var(--fg);font-size:10px;font-weight:600}.tiprow{fill:var(--fg);font-size:10px}.tipval{text-anchor:end}button{background:var(--card);color:var(--fg);border:1px solid var(--muted);border-radius:8px;padding:5px 12px;cursor:pointer;font:inherit}.seg.active{background:var(--accent);color:#fff;border-color:var(--accent)}.controls{display:flex;align-items:center;gap:12px;margin:18px 0;flex-wrap:wrap}.controls input[type=range]{flex:1;min-width:180px}.legend{display:flex;gap:16px;font-size:.85rem;color:var(--muted);margin:8px 0 0}.legend b{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:5px}a{color:var(--accent)}.src{font-size:.82rem;color:var(--muted);margin-top:28px}