:root{--ink:#1c2333;--mut:#7a8598;--line:#e7eaf0;--track:#eef0f4;--pin:#6d28d9}
*{box-sizing:border-box}body{margin:0;background:#fafbfc;color:var(--ink);font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.page{max-width:980px;margin:0 auto;padding:26px 20px 70px}
.mast{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}
h1{font-size:26px;margin:0;font-weight:800;letter-spacing:-.3px}
.learn{margin:6px 0 0;color:var(--mut);font-size:13.5px}.learn a{color:var(--mut)}
.switch24{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:600}
.switch24 button{width:46px;height:26px;border-radius:20px;border:1px solid var(--line);background:#e3e6ec;position:relative;cursor:pointer}
.switch24 button i{position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.25);transition:left .15s}
.switch24 button[aria-checked="true"]{background:var(--pin)}.switch24 button[aria-checked="true"] i{left:22px}
.tzrow{display:flex;justify-content:space-between;align-items:flex-end;gap:14px;margin:20px 0 8px;flex-wrap:wrap}
.cap{font-size:11px;letter-spacing:1.5px;color:var(--mut);font-weight:700;margin-bottom:6px}
select,input{background:#fff;border:1px solid var(--line);border-radius:9px;padding:9px 12px;font-size:14px;color:var(--ink)}
#tzSelect{background:#6d28d9;color:#fff;border-color:#6d28d9;font-weight:600;min-width:210px}
.clocks{display:flex;gap:22px}.clocks .k{font-size:11px;color:var(--mut);letter-spacing:1px;margin-right:8px}.clocks b{font-variant-numeric:tabular-nums;font-size:19px}
.overlap{margin:12px 0;padding:10px 16px;border-radius:12px;background:#f0fdf4;border:1px solid #bbf7d0;font-size:14px}.hidden{display:none!important}
/* timeline */
.tl{margin-top:14px}
.tlbody{position:relative;margin-left:172px}
.axis{position:relative;height:30px;margin-left:0}
.axis span{position:absolute;transform:translateX(-50%);font-size:11.5px;color:var(--mut);font-variant-numeric:tabular-nums;white-space:nowrap}
.pin{position:absolute;top:-6px;transform:translateX(-50%);background:var(--pin);color:#fff;border-radius:12px 12px 12px 2px;padding:5px 10px;font-size:12px;text-align:center;z-index:5;box-shadow:0 3px 8px rgba(109,40,217,.35);pointer-events:none}
.pin b{display:block;font-size:13px}.pin span{opacity:.85;font-size:11px}
.srow{display:flex;align-items:stretch;margin:0 0 10px;position:relative}
.smeta{position:absolute;left:-172px;top:0;width:160px;display:flex;gap:10px;align-items:center}
.flag{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:19px;background:#fff;border:1px solid var(--line);flex:none}
.smeta b{font-size:14.5px;display:block}.smeta small{color:var(--mut);font-size:11.5px;display:block;line-height:1.45}
.track{position:relative;flex:1;height:58px;background:var(--track);border-radius:8px;overflow:hidden}
.track::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent 0,transparent calc(100%/24 - 1px),#e0e4ea calc(100%/24 - 1px),#e0e4ea calc(100%/24))}
.blk{position:absolute;top:0;bottom:0;border-radius:6px;opacity:.92}
.st{position:absolute;top:7px;left:10px;font-size:10.5px;font-weight:800;letter-spacing:1.1px;z-index:2}
.nowline{position:absolute;top:24px;bottom:0;width:2px;background:var(--pin);opacity:.55;z-index:4;pointer-events:none}
.eta{font-size:11.5px;color:var(--mut);margin:2px 0 10px 2px}
/* volume */
.vol{margin:6px 0 0;padding-left:172px}.vol p{font-size:13px;color:var(--mut);margin:0 0 6px}.vol svg{width:100%;height:90px;background:#fff;border:1px solid var(--line);border-radius:10px}
#volPath{fill:none;stroke:#6d28d9;stroke-width:2.5}
/* alarm */
.alarm{margin-top:34px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px}
.alarm h2{font-size:13px;letter-spacing:1.6px;text-transform:uppercase;color:var(--mut);margin:0 0 14px}.alarm .sub{letter-spacing:0;text-transform:none;font-weight:400}
.tf-row{display:flex;flex-wrap:wrap;gap:8px}
button{background:#f1f3f7;color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:9px 14px;font-size:14px;cursor:pointer}
button.active,button.primary{background:#1c2333;border-color:#1c2333;color:#fff;font-weight:700}
button:active{transform:scale(.97)}
.custom{display:flex;align-items:center;gap:10px;margin:12px 0;flex-wrap:wrap}
.custom input{width:80px}.pill{background:#f1f3f7;border:1px solid var(--line);border-radius:20px;padding:4px 12px;font-size:13px}
.count-wrap{text-align:center;margin:16px 0;padding:18px;border:1px solid var(--line);border-radius:14px;background:#fafbfc}
.count{font-size:54px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:2px}.count.urgent{color:#b45309}
.next{color:var(--mut);font-size:13px;margin-top:4px}.next b{color:var(--ink)}
.snd{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.chk{font-size:13px;color:var(--mut);display:flex;gap:6px;align-items:center}
.log{list-style:none;padding:0;margin:12px 0 0;font-size:13px;color:var(--mut)}.log li{padding:6px 0;border-bottom:1px dashed var(--line)}
.hint{font-size:12.5px;color:var(--mut)}.hint b{color:var(--ink)}
footer{margin-top:26px;color:#9aa3b2;font-size:12px;text-align:center}footer a{color:#9aa3b2}
@media(max-width:640px){.tlbody{margin-left:0}.vol{padding-left:0}.smeta{position:static;width:auto;margin-bottom:4px}.srow{flex-direction:column}.count{font-size:42px}h1{font-size:21px}.pin{display:none}}