:root{--bg:#0b1220;--bg-panel:#111a30;--bg-card:#16213b;--bg-input:#0d1629;--border:#23314f;--border-soft:#1c2a45;--text:#e6edf7;--text-dim:#9fb0cc;--text-faint:#6b7c99;--accent:#4f8cff;--accent-soft:rgba(79,140,255,.12);--accent-ring:rgba(79,140,255,.35);--green:#34d399;--red:#f87171;--orange:#fbbf24;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace}*{box-sizing:border-box;margin:0;padding:0}body,html{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Microsoft YaHei,sans-serif;font-size:14px;line-height:1.5}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}.topnav{justify-content:space-between;padding:0 20px;height:52px;border-bottom:1px solid var(--border);background:rgba(11,18,32,.9);position:-webkit-sticky;position:sticky;top:0;z-index:50;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.topnav,.topnav .brand{display:flex;align-items:center}.topnav .brand{gap:10px;font-weight:600;font-size:15px}.topnav .brand svg{color:var(--accent)}.topnav .brand .sub{color:var(--text-faint);font-weight:400;font-size:12px;margin-left:4px}.nav-links{display:flex;align-items:center;gap:4px;list-style:none}.nav-links a{padding:6px 12px;border-radius:7px;color:var(--text-dim);font-size:13px;transition:background .15s,color .15s}.nav-links a:hover{color:var(--text);background:hsla(0,0%,100%,.05)}.nav-links a.active{color:var(--text);background:var(--accent-soft);color:var(--accent)}.nav-right{gap:12px}.nav-lang,.nav-right{display:flex;align-items:center}.nav-lang{gap:6px;color:var(--text-dim);font-size:12px}.page{max-width:1440px;margin:0 auto;padding:20px}.tool-header{margin-bottom:16px}.tool-header h1{font-size:20px;font-weight:600;margin-bottom:4px}.tool-header p{color:var(--text-dim);font-size:13px}.props-grid{display:grid;grid-template-columns:320px 1fr 300px;grid-gap:16px;gap:16px;align-items:start}@media (max-width:1100px){.props-grid{grid-template-columns:1fr}}.panel{background:var(--bg-panel);border:1px solid var(--border);border-radius:12px;padding:16px}.panel-title{font-size:13px;font-weight:600;color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px;display:flex;align-items:center;gap:8px}.panel-title .count{font-size:11px;color:var(--text-faint);font-weight:400;text-transform:none}.fluid-chips{display:flex;flex-wrap:wrap;gap:6px}.chip{padding:5px 11px;border-radius:999px;border:1px solid var(--border);background:var(--bg-input);color:var(--text-dim);font-size:12.5px;transition:all .15s}.chip:hover{border-color:var(--accent-ring);color:var(--text)}.chip.active{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.chip .lock{margin-left:6px;font-size:11px;opacity:.7}.input-group{margin-bottom:14px}.input-group>label{display:block;font-size:12px;color:var(--text-dim);margin-bottom:6px}.input-row{display:flex;gap:6px}.input-row .value{flex:1 1}.input-inline input,.input-inline select,.input-row input,.input-row select,input.input,select.input{width:100%;background:var(--bg-input);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:8px 10px;font-size:13px;font-family:var(--mono);outline:none}input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-ring)}.input-inline select,.input-row select{font-family:inherit;width:auto;min-width:78px;white-space:nowrap}select{-moz-appearance:none;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3e%3cpath d='M1 1l4 4 4-4' stroke='%239fb0cc' fill='none' stroke-width='1.5'/%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right 9px center;padding-right:26px}.unit-toggle{display:flex;gap:0;border:1px solid var(--border);border-radius:8px;overflow:hidden;width:100%}.unit-toggle button{flex:1 1;background:var(--bg-input);border:none;color:var(--text-dim);font-size:12px;padding:8px 4px;border-right:1px solid var(--border);white-space:nowrap}.unit-toggle button:last-child{border-right:none}.unit-toggle button.active{background:var(--accent-soft);color:var(--accent);font-weight:600}.slider-row{display:flex;align-items:center;gap:10px;margin-top:6px}.slider-row input[type=range]{flex:1 1;accent-color:var(--accent);height:4px}.slider-row .slider-val{font-family:var(--mono);font-size:12px;color:var(--text-dim);min-width:42px;text-align:right}.result-section{margin-bottom:14px}.result-section .label{font-size:11.5px;color:var(--text-faint);text-transform:uppercase;letter-spacing:.4px;margin-bottom:8px}.result-rows{display:flex;flex-direction:column;gap:2px}.result-row{display:flex;align-items:center;justify-content:space-between;padding:6px 10px;border-radius:7px;background:var(--bg-card);font-size:12.5px}.result-row .name{color:var(--text-dim)}.result-row .value{font-family:var(--mono);font-weight:500}.result-row .unit{color:var(--text-faint);font-size:11px;margin-left:4px}.result-box{background:var(--bg-card);border:1px solid var(--border-soft);border-radius:9px;padding:12px;margin-bottom:12px}.result-box .state-label{font-size:12px;color:var(--accent);font-weight:600;margin-bottom:4px}.result-box .state-meta{font-size:11.5px;color:var(--text-faint);font-family:var(--mono)}.derived-note{font-size:11px;color:var(--text-faint);margin-bottom:8px}.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 9px;border-radius:999px;font-size:11px;font-weight:500}.badge.phase{background:var(--accent-soft);color:var(--accent)}.chart-panel{min-height:520px}.chart-wrap{position:relative;width:100%;height:520px}.chart-wrap canvas{width:100%;height:100%;display:block}.chart-legend{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px;font-size:12px;color:var(--text-dim)}.legend-item{display:flex;align-items:center;gap:6px}.legend-item .swatch{width:12px;height:3px;border-radius:2px}.mode-btns{display:flex;gap:6px;margin-bottom:12px}.mode-btns button{padding:6px 12px;border-radius:8px;border:1px solid var(--border);background:var(--bg-input);color:var(--text-dim);font-size:12px}.mode-btns button.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.footer{border-top:1px solid var(--border);margin-top:32px;padding:24px 20px 40px;color:var(--text-faint);font-size:12px;flex-wrap:wrap}.footer,.footer .links{display:flex;gap:16px}.footer a:hover{color:var(--text-dim)}.dot-badge{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent);margin-right:6px}