html,body{margin:0;padding:0}
body.meter-root{font-family:"IBM Plex Sans","Source Han Sans SC","Noto Sans SC",sans-serif;background:#fff6ec;color:#4a2a10;line-height:1.7}
.meter-root .ico{width:20px;height:20px}
.meter-top{background:#D26E1E;color:#fff8f0;padding:16px 5vw;display:flex;align-items:center;justify-content:space-between;gap:16px}
.meter-top .brand{display:flex;gap:8px;align-items:center;font-weight:700}
.meter-top .nav-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 12px}
.meter-top a{color:#ffe8d2;text-decoration:none;font-size:13px}
.meter-board{padding:22px 5vw 56px;display:grid;grid-template-columns:1fr 1fr 250px;gap:16px;align-items:start}
.meter-hero{grid-column:1/3;background:#fff;border:2px solid #e8b07a;padding:20px 22px}
.meter-hero h1{margin:0 0 10px;font-size:25px;color:#a34e12}
.meter-hero>p{margin:0 0 8px;max-width:44em}
.meter-col{grid-column:3;grid-row:1/4;background:#fff;border:2px solid #D26E1E;padding:16px;position:sticky;top:12px}
.meter-scale{display:flex;align-items:flex-end;gap:7px;height:100px;margin:8px 0 12px}
.meter-scale b{display:block;width:22px;background:#f0d0b0}
.meter-scale b.on{background:#D26E1E}
.meter-scale b:nth-child(1){height:28%}.meter-scale b:nth-child(2){height:44%}.meter-scale b:nth-child(3){height:58%}
.meter-scale b:nth-child(4){height:72%}.meter-scale b:nth-child(5){height:36%}
.pipe{padding:8px 10px;margin:0 0 8px;border-radius:4px;font-size:13px;border:1px dashed #e8b07a}
.pipe.live{background:#D26E1E;color:#fff;border-style:solid}
.pipe.dim{background:#fff3e6;color:#8a5a30}
.meter-board .block{background:#fff;border:1px solid #efc9a2;padding:16px 18px;margin:0}
.meter-board .block h2{margin:0 0 8px;font-size:19px;color:#a34e12}
.span2{grid-column:1/3}
.lead{color:#6a3e1c;margin:0 0 10px}
.trio{display:grid;grid-template-columns:1fr;gap:10px}
.card,.pair{background:#fffaf4;border:1px solid #efc9a2;padding:12px 14px}
.card h3,.pair h3,.step h3{margin:6px 0;font-size:16px}
.step-list{list-style:none;margin:0;padding:0}
.step{display:grid;grid-template-columns:32px 1fr;gap:10px;margin:0 0 10px;background:#fffaf4;padding:10px;border-left:4px solid #D26E1E}
.step-n{color:#D26E1E;font-weight:700}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th{background:#D26E1E;color:#fff;padding:8px 10px;text-align:left}
td{padding:8px 10px;border-bottom:1px solid #efc9a2;vertical-align:top}
.pair-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.plain-list{padding-left:1.15em}
.faq-list details{border:1px solid #efc9a2;padding:8px 12px;margin:0 0 8px;background:#fffaf4}
.faq-list summary{cursor:pointer;font-weight:700;color:#a34e12}
.meter-foot{grid-column:1/-1}
.site-footer{color:#6a3e1c;font-size:13px}
@media (max-width:980px){
.meter-board{grid-template-columns:1fr}
.meter-hero,.span2,.meter-col,.meter-foot{grid-column:auto}
.meter-col{position:relative;top:auto}
.pair-grid{grid-template-columns:1fr}
}