/* ToolCMS V3.1.82 (c) ToolWorld https://www.toolworld.cn/ */
*{box-sizing:border-box;margin:0;padding:0}
body{margin:0;padding:0;font-family:inherit;background:transparent;color:var(--text-1,#1f2937);font-size:14px;line-height:1.6}
.calc-fuel-container{max-width:100%;margin:0 auto;padding:18px}
.calc-fuel-head{margin-bottom:16px}
.calc-fuel-title{font-size:22px;font-weight:700;color:var(--text-1,#1f2937)}
.calc-fuel-subtitle{font-size:13px;color:var(--text-3,#94a3b8);margin-top:4px}
.calc-fuel-panel{background:var(--bg-card,#fff);border:1px solid var(--border,#e2e8f0);border-radius:var(--radius,14px);padding:22px}
.calc-fuel-grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.calc-fuel-field{margin-bottom:14px}
.calc-fuel-label{display:block;font-weight:600;font-size:13px;color:var(--text-2,#475569);margin-bottom:8px}
.calc-fuel-input{width:100%;padding:10px 12px;border:1px solid var(--border,#d1d5db);border-radius:var(--radius-sm,8px);font-size:15px;background:var(--bg-card,#fff);color:var(--text-1,#1f2937);outline:none;transition:border-color .15s}
.calc-fuel-input:focus{border-color:var(--primary,var(--primary-hover))}
.calc-fuel-tip{font-size:12px;color:var(--text-3,#94a3b8);margin:-4px 0 14px}
.calc-fuel-toolbar{display:flex;gap:8px;flex-wrap:wrap}
.calc-fuel-btn{padding:9px 16px;border:1px solid var(--border,#d1d5db);border-radius:var(--radius-sm,8px);background:var(--bg-card,#fff);color:var(--text-1,#1f2937);cursor:pointer;font-size:13px;transition:background .15s}
.calc-fuel-btn:hover{background:var(--primary-light)}

.calc-fuel-btn-primary{background:var(--primary,var(--primary-hover));color:#fff;border-color:var(--primary,var(--primary-hover))}
.calc-fuel-btn-primary:hover{background:var(--primary-light);color:var(--primary)}

.calc-fuel-message{margin-top:10px;padding:9px 12px;border-radius:var(--radius-sm,8px);font-size:13px;display:none}
.calc-fuel-message.show{display:block}
.calc-fuel-message.success{background:var(--primary-light);color:var(--primary,var(--primary-hover))}
.calc-fuel-message.error{background:var(--error-bg,#fee2e2);color:var(--error,#991b1b)}
.calc-fuel-result{margin-top:16px;background:var(--bg-card,#fff);border:1px solid var(--border,#e2e8f0);border-radius:var(--radius,16px);overflow:hidden}
.calc-fuel-hero{padding:24px;text-align:center;background:linear-gradient(135deg,var(--primary,var(--primary-hover)),var(--primary-hover));color:#fff}
.calc-fuel-hero-label{display:block;font-size:13px;opacity:.9;margin-bottom:6px}
.calc-fuel-hero-value{font-size:48px;font-weight:800;line-height:1}
.calc-fuel-hero-value small{font-size:16px;font-weight:600;margin-left:6px;opacity:.85}
.calc-fuel-tiles{display:grid;grid-template-columns:repeat(3,1fr)}
.calc-fuel-tile{padding:16px;text-align:center;border-left:1px solid var(--border-light,#f1f5f9)}
.calc-fuel-tile:first-child{border-left:0}
.calc-fuel-tile-label{display:block;font-size:12px;color:var(--text-3,#94a3b8);margin-bottom:4px}
.calc-fuel-tile-value{display:block;font-size:20px;font-weight:700;color:var(--text-1,#1f2937)}
.calc-fuel-tile-unit{font-size:11px;color:var(--text-3,#94a3b8)}
.calc-fuel-footer{margin-top:20px;padding-top:12px;border-top:1px solid var(--border-light,#f1f5f9);font-size:12px;color:var(--text-3,#94a3b8);display:flex;justify-content:space-between;align-items:center}
.calc-fuel-footer-right{margin-left:auto}
@media(max-width:640px){.calc-fuel-container{padding:12px}.calc-fuel-grid2{grid-template-columns:1fr}.calc-fuel-tiles{grid-template-columns:1fr}.calc-fuel-tile{border-left:0;border-top:1px solid var(--border-light,#f1f5f9)}.calc-fuel-btn{flex:1 1 auto}.calc-fuel-footer{flex-direction:column;gap:4px;text-align:center}}