:root{--blue:#246bce;--deep:#14355b;--text:#182b42;--muted:#6f8298;--bg:#f5f8fc;--line:#e4ebf3;--red:#e34b4b;--green:#16956c}*{box-sizing:border-box}body{margin:0;background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);font-size:16px}.app{max-width:430px;margin:auto;padding:0 16px 96px}.hero{background:#fff;margin:0 -16px;padding:27px 16px 18px;border-bottom:1px solid var(--line)}h1{margin:0;color:var(--deep);font-size:29px;line-height:1.25}.sub{margin:8px 0 0;font-size:14px;color:#7690aa}.tabs{display:flex;gap:10px;overflow-x:auto;padding:18px 0 2px;scrollbar-width:none}.tabs::-webkit-scrollbar{display:none}.tab{flex:0 0 auto;border:0;border-radius:19px;padding:9px 15px;background:#edf3f9;color:#506b87;font-size:15px;white-space:nowrap}.tab.active{background:var(--blue);color:#fff;font-weight:600}.section{margin-top:21px}.section-head{display:flex;justify-content:space-between;align-items:center;margin:0 2px 12px}.section-title{font-size:22px;color:var(--deep);font-weight:700}.section-time{font-size:13px;color:var(--muted);text-align:right}.realtime-state{color:var(--green);font-size:13px;margin-top:4px}.realtime-state i{display:inline-block;width:7px;height:7px;background:var(--green);border-radius:50%;margin-right:5px}.card{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:13px;box-shadow:0 3px 12px rgba(22,54,88,.035)}.clickable{cursor:pointer}.clickable:active{transform:scale(.995)}.supply{padding:19px 18px}.card-head,.group-head{display:flex;justify-content:space-between;align-items:center}.label{font-size:16px;font-weight:600}.arrow{color:#8297ae;font-size:25px;font-weight:300;line-height:18px}.supply-body{display:flex;align-items:flex-end;justify-content:space-between;margin-top:14px}.supply-value{font-size:31px;font-weight:700;color:var(--deep)}.unit{font-size:15px;color:var(--muted);font-weight:400;margin-left:3px}.change{font-size:14px;color:var(--green);padding-bottom:5px}.group{margin-top:20px}.group-head{margin:0 3px 10px}.group-name{font-weight:700;font-size:18px;color:var(--deep)}.group-name small{font-size:14px;color:var(--muted);font-weight:400;margin-left:4px}.quality-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.quality{padding:15px 14px;min-height:148px}.quality-name{font-size:16px;font-weight:600;margin-bottom:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.quality-row{display:grid;grid-template-columns:32px 1fr;gap:5px;align-items:baseline;margin-top:5px;font-size:13px;color:var(--muted)}.quality-row b{font-size:16px}.quality-row .hi{color:var(--red)}.quality-row .lo{color:var(--green)}.quality-time{display:block;grid-column:2;font-size:13px;color:#8194a8;margin-top:-3px}.realtime-quality{min-height:192px}.current{color:var(--deep);font-size:23px;font-weight:700;line-height:1;margin:7px 0 12px}.current .unit{font-size:13px}.dispatch,.hotline{padding:18px}.simple-value{font-size:27px;font-weight:700;color:var(--deep);margin-top:12px}.hotline-breakdown{display:flex;margin-top:14px;border-top:1px solid var(--line);padding-top:13px}.hotline-breakdown span{flex:1;color:var(--muted);font-size:14px;text-align:center;border-right:1px solid var(--line)}.hotline-breakdown span:last-child{border:0}.hotline-breakdown b{display:block;color:var(--deep);font-size:17px;margin-top:3px}.pipe-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.pipe{padding:16px 14px;min-height:128px}.pipe-name{font-size:16px;font-weight:600;display:flex;justify-content:space-between}.pipe-values{margin-top:15px;display:flex;gap:12px}.pipe-values span{font-size:13px;color:var(--muted)}.pipe-values b{display:block;color:var(--deep);font-size:16px;margin-top:3px}.bottom-nav{position:fixed;z-index:5;left:0;right:0;bottom:0;height:68px;background:rgba(255,255,255,.96);border-top:1px solid var(--line);display:flex;justify-content:center}.bottom-nav div{display:flex;width:min(430px,100%)}.nav-item{flex:1;text-align:center;padding-top:12px;color:#8494a6;font-size:14px}.nav-item:before{content:'○';display:block;font-size:17px;line-height:18px}.nav-item.active{color:var(--blue);font-weight:600}.nav-item.active:before{content:'●'}.sheet-backdrop{position:fixed;z-index:10;inset:0;background:rgba(11,32,54,.36);display:flex;align-items:flex-end;justify-content:center}.sheet{width:min(430px,100%);background:#fff;border-radius:20px 20px 0 0;padding:13px 20px 26px;animation:up .2s ease-out}.sheet-handle{width:37px;height:4px;border-radius:4px;background:#d7e0ea;margin:0 auto 20px}.sheet-title{font-size:21px;color:var(--deep);font-weight:700}.sheet-meta{font-size:14px;color:var(--muted);margin:9px 0 20px}.detail-value{font-size:28px;color:var(--deep);font-weight:700;padding:16px;background:#f4f8fc;border-radius:10px}.trend{height:75px;margin:17px 0;background:linear-gradient(180deg,#e8f4ff,#fff);border-radius:10px}.close{width:100%;border:0;border-radius:9px;background:var(--blue);color:#fff;font-size:16px;padding:13px}@keyframes up{from{transform:translateY(100%)}to{transform:translateY(0)}}@media(max-width:350px){.quality-grid,.pipe-grid{grid-template-columns:1fr}.quality{min-height:135px}.supply-value{font-size:27px}}

/* Strong visual grouping and correct hidden dialog behavior. */
.sheet-backdrop[hidden]{display:none}
.hero{background:linear-gradient(155deg,#fff 0%,#f1f7ff 100%);border-bottom-color:#dbe9f6;box-shadow:0 4px 18px rgba(37,107,206,.05)}
.tab{background:#e8f0f8}.tab.active{background:linear-gradient(135deg,#2d7add,#195ab3);box-shadow:0 5px 12px rgba(36,107,206,.25)}
.section{padding:16px 12px 1px;background:#edf5fd;border:1px solid #dceaf7;border-radius:18px}
.section:nth-of-type(2){background:#f4f7fc;border-color:#e2e9f1}.section:nth-of-type(3){background:#eff8f5;border-color:#d9eee7}
.section-head{margin-bottom:13px}.section-title{position:relative;padding-left:11px}.section-title:before{content:'';position:absolute;left:0;top:5px;width:4px;height:19px;border-radius:4px;background:var(--blue)}.section:nth-of-type(3) .section-title:before{background:var(--green)}
.card{box-shadow:0 4px 14px rgba(22,54,88,.045)}.clickable:active{transform:scale(.985);background:#f8fbff}
/* Drill-down pages */
.sub-page{max-width:430px;min-height:100vh;margin:auto;padding:0 16px 36px;background:#f5f8fc}.sub-head{margin:0 -16px 18px;padding:20px 16px 16px;background:linear-gradient(155deg,#fff,#f1f7ff);display:flex;gap:12px;align-items:center;border-bottom:1px solid #dce9f6}.sub-head button{border:0;background:#e8f0fa;color:#246bce;width:36px;height:36px;border-radius:11px;font-size:29px;line-height:28px}.sub-head b{display:block;font-size:22px;color:#14355b}.sub-head small{display:block;font-size:14px;color:#6f8298;margin-top:3px}.period-tabs{display:flex;background:#e7eef6;padding:4px;border-radius:11px;margin-bottom:17px}.period-tabs button,.filter button{flex:1;border:0;background:transparent;padding:9px 4px;border-radius:8px;font-size:15px;color:#627890}.period-tabs .on,.filter .on{background:#fff;color:#246bce;font-weight:700;box-shadow:0 2px 7px rgba(24,63,100,.09)}.hero-metric{background:#fff;border-radius:15px;padding:20px;margin-bottom:13px;border:1px solid #e0eaf4;box-shadow:0 4px 14px rgba(22,54,88,.045)}.hero-metric span,.hero-metric small{display:block;color:#6f8298;font-size:14px}.hero-metric strong{display:block;font-size:32px;color:#14355b;margin:9px 0}.hero-metric em,.list em{font-style:normal;font-size:14px;font-weight:400;color:#6f8298}.hero-metric small{color:#16956c}.hero-metric.mini{padding:16px 19px}.split-metrics,.detail-pair{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-bottom:14px}.split-metrics div,.detail-pair div{background:#fff;border:1px solid #e2ebf4;border-radius:12px;padding:14px 11px;color:#6f8298;font-size:14px}.split-metrics small,.detail-pair small{display:block;margin-top:7px;font-size:13px}.detail-pair{grid-template-columns:repeat(2,1fr)}.detail-pair strong{display:block;color:#14355b;font-size:19px;margin-top:7px}.sub-card{background:#fff;border:1px solid #e0eaf4;border-radius:15px;padding:17px;margin-bottom:14px}.sub-card h3{margin:0 0 15px;font-size:18px;color:#14355b}.chart{height:150px;position:relative;background:repeating-linear-gradient(0deg,transparent 0 35px,#edf2f7 36px);overflow:hidden}.chart i{position:absolute;left:0;right:0;border-top:1px dashed #e5edf5}.chart svg{width:100%;height:100%;position:absolute}.chart polyline{fill:none;stroke:#2875cf;stroke-width:3}.chart-label{font-size:12px;color:#8192a4;margin-top:9px;word-spacing:5px}.list article,.record-list article{position:relative;background:#fff;border:1px solid #e0eaf4;border-radius:14px;padding:17px 38px 16px 16px;margin-bottom:11px;min-height:110px}.list b,.record-list b{display:block;font-size:17px;color:#14355b}.list strong{display:block;color:#14355b;font-size:23px;margin:8px 0}.list span,.record-list small,.record-list span{display:block;color:#74879c;font-size:14px;margin-top:7px}.list i{font-style:normal}.list mark,.record-list mark{position:absolute;right:14px;top:42%;background:none;color:#7f94aa;font-size:25px}.red{color:#e34b4b}.green{color:#16956c}.crumb,.update{font-size:14px;color:#6f8298;margin:-10px 0 13px}.detail-row{border-top:1px solid #edf1f5;padding:12px 0;color:#74879c;font-size:14px}.detail-row b{float:right;color:#14355b}.filter{display:flex;gap:7px;margin:0 0 14px}.filter button{background:#e8eff6}.record-list article small{margin:0 0 5px}.record-list article p{margin:7px 0;color:#31465e;font-size:15px;line-height:1.45}.record-list article span{color:#16956c}.info-list{background:#fff;border:1px solid #e0eaf4;border-radius:14px;padding:0 16px}.info-list div{padding:15px 0;border-bottom:1px solid #edf1f5;display:flex;gap:15px;justify-content:space-between;font-size:15px}.info-list div:last-child{border:0}.info-list span{color:#71849a;white-space:nowrap}.info-list b{color:#263e58;text-align:right;font-weight:500}.empty{padding:28px 15px;background:#fff;border-radius:14px;text-align:center;color:#74879c}.dispatch-breakdown{display:flex;border-top:1px solid #e7eef5;margin-top:14px;padding-top:12px}.dispatch-breakdown button{flex:1;border:0;background:transparent;text-align:left;padding:0 14px;font:inherit}.dispatch-breakdown button+button{border-left:1px solid #e1e9f1}.dispatch-breakdown span{display:block;font-size:14px;color:#71849a}.dispatch-breakdown b{display:block;font-size:20px;margin-top:4px;color:#16956c}.dispatch-breakdown button+button b{color:#df8a2e}.chart-tip{position:absolute;right:8px;top:8px;background:#14355b;color:#fff;border-radius:6px;padding:5px 7px;font-size:12px;z-index:1}.segment-list div{display:grid;grid-template-columns:1.4fr 1fr auto;gap:8px;align-items:center;border-top:1px solid #edf1f5;padding:13px 0;font-size:15px}.segment-list div:first-child{border-top:0;padding-top:0}.segment-list span{color:#566d86}.segment-list b{color:#14355b;text-align:right}.segment-list em{font-style:normal;font-size:12px;font-weight:400;color:#71849a}.segment-list small{color:#8193a5;font-size:13px;text-align:right}
.change.down,.hero-metric small.down{color:#d98628}

.bar-chart svg rect{fill:#2875cf;cursor:pointer}.bar-chart svg rect:active{fill:#174f98}.bar-chart .chart-tip{max-width:190px}

.sub-head{gap:14px}.sub-head button{width:44px;height:44px;flex:0 0 44px;border-radius:12px;font-size:31px}.sub-head b{font-size:22px}.sub-head small{font-size:15px}
.daily-stat{display:grid;grid-template-columns:.8fr 1.1fr 1.1fr;gap:8px;align-items:center;border-top:1px solid #edf1f5;padding:13px 0;font-size:14px}.daily-stat:first-of-type{border-top:0}.daily-stat>b{color:#14355b}.daily-stat span{font-size:13px;color:#71849a}.daily-stat i{font-style:normal;font-weight:600}.daily-stat small{display:block;color:#8193a5;margin-top:3px}.daily-max{fill:none;stroke:#d66b5e;stroke-width:2.5}.daily-min{fill:none;stroke:#16956c;stroke-width:2.5}html,body{height:auto;min-height:100%;overflow-x:hidden;overflow-y:auto;-webkit-overflow-scrolling:touch}#app{min-height:100%;overflow:visible}.app,.sub-page{min-height:100%;overflow-x:hidden;overflow-y:visible;touch-action:pan-y;-webkit-overflow-scrolling:touch}.tabs{overflow-x:auto;overflow-y:hidden;white-space:nowrap;touch-action:pan-x;-webkit-overflow-scrolling:touch}.tab{min-height:44px;flex:0 0 auto}.period-tabs{touch-action:pan-y}.chart{touch-action:pan-y;min-height:220px}