:root{
  --dark:#1f1f1f; --green:#44dca4; --key:#d5d5d5; --line:rgba(0,0,0,.34);
  --paper:#fff; --group:#f6f6fa; --blue:#168ee3; --text:#242424; --muted:#8d8d93;
  --app-h:100dvh;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;width:100%;height:100%;overflow:hidden;background:#111;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--text)}
button{font:inherit;color:inherit}
#app{position:relative;width:100%;height:var(--app-h);max-width:720px;margin:0 auto;overflow:hidden;background:var(--dark);user-select:none;touch-action:manipulation}
.safe-top{height:max(env(safe-area-inset-top),0px)}
.calc{position:absolute;inset:0;background:var(--dark);display:flex;flex-direction:column}
.display{position:relative;flex:1;min-height:42.66%;background:var(--dark);overflow:hidden}
.menu-btn{position:absolute;left:17px;top:calc(max(env(safe-area-inset-top),0px) + 79px);width:33px;height:29px;border:0;background:transparent;padding:0;opacity:.63;z-index:3}
.menu-btn i,.menu-btn:before,.menu-btn:after{content:"";position:absolute;left:1px;width:29px;height:2px;background:#aaa;border-radius:2px}.menu-btn:before{top:2px}.menu-btn i{top:13px}.menu-btn:after{top:24px}
.history-toggle{position:absolute;left:17px;bottom:113px;width:31px;height:31px;border:2px solid #646468;border-radius:50%;background:transparent;color:#747479;font-size:22px;line-height:25px;padding:0;transform:rotate(0deg);transition:.2s}
.history-toggle.expanded{transform:rotate(180deg)}
.readout{position:absolute;right:12px;bottom:17px;max-width:92%;text-align:right;color:#fff;font-size:clamp(43px,10.3vw,62px);font-weight:300;letter-spacing:-1px;white-space:nowrap;overflow:hidden;text-overflow:clip}
.readout .mini{display:block;font-size:clamp(19px,4.3vw,26px);font-weight:300;margin-bottom:9px;opacity:.94;letter-spacing:0}
.history-list{position:absolute;right:12px;top:calc(max(env(safe-area-inset-top),0px) + 74px);left:70px;bottom:72px;overflow:auto;color:#fff;text-align:right;font-weight:300;display:none;padding-bottom:12px}
.history-list.show{display:block}.history-row{font-size:clamp(18px,4.4vw,28px);line-height:1.5;white-space:nowrap}.history-date{color:#8e8e92;font-size:13px;margin-top:6px}
.keypad{height:57.34%;display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(5,1fr);background:var(--key)}
.key{position:relative;border:0;border-right:1px solid var(--line);border-top:1px solid var(--line);background:var(--key);font-size:clamp(39px,9.5vw,59px);font-weight:300;line-height:1;padding:0;overflow:hidden}
.key.op,.key.top{background:var(--green)}.key.fn{font-size:clamp(33px,7.7vw,48px);font-weight:350}.key.back{font-size:clamp(46px,9.7vw,60px)}
.key.zero{grid-column:1/3}.key.eq{grid-column:4;grid-row:4/6}.key.dec{grid-column:3;grid-row:5}.key:active{filter:brightness(.96)}
.ripple{position:absolute;border-radius:50%;background:rgba(255,255,255,.55);transform:translate(-50%,-50%) scale(0);animation:ripple .38s ease-out;pointer-events:none;width:42px;height:42px}@keyframes ripple{to{transform:translate(-50%,-50%) scale(1);opacity:0}}
.history-actions{position:absolute;left:0;right:0;bottom:0;height:88px;display:none;grid-template-columns:1fr 1fr}.history-actions.show{display:grid}.history-actions button{border:0;border-top:1px solid var(--line);font-size:29px;font-weight:300}.history-actions .archive{background:var(--key)}.history-actions .clear-all{background:var(--green)}
.drawer-mask{position:absolute;inset:0;background:rgba(0,0,0,.12);display:none;z-index:10}.drawer-mask.show{display:block}
.drawer{position:absolute;z-index:11;right:0;top:0;bottom:0;width:51%;min-width:292px;max-width:390px;background:#fff;transform:translateX(102%);transition:transform .22s ease-out;box-shadow:-10px 0 30px #0001;overflow:auto}.drawer.show{transform:none}
.drawer-head{height:326px;background:#168fe3;color:#fff;position:relative;padding-top:max(env(safe-area-inset-top),0px)}
.drawer-back{position:absolute;left:21px;top:77px;border:0;background:none;color:#fff;font-size:57px;font-weight:200;line-height:.6;padding:0}.drawer-title{position:absolute;left:168px;top:83px;font-size:26px;font-weight:650;white-space:nowrap}.avatar{position:absolute;width:96px;height:96px;border-radius:50%;background:#f8f8f8;right:-10px;top:157px;border:4px solid #fff;overflow:hidden}.avatar:before{content:"";position:absolute;width:42px;height:42px;border-radius:50%;background:#d8d8d8;left:24px;top:18px}.avatar:after{content:"";position:absolute;width:70px;height:40px;border-radius:40px 40px 0 0;background:#d8d8d8;left:10px;bottom:0}.login{position:absolute;right:0;top:276px;font-size:25px}
.drawer-item{height:74px;display:flex;align-items:center;padding:0 24px;border-bottom:1px solid #ececef;font-size:26px;background:#fff;white-space:nowrap}.drawer-item.large{height:98px;font-size:26px}.drawer-gap{height:24px;background:#f5f5f9}.drawer-agree{padding:55px 20px;font-size:16px;color:#a7a7ad;white-space:nowrap}.drawer-agree b{color:#188edb;font-weight:400}
.page{position:absolute;z-index:20;inset:0;background:var(--group);transform:translateX(102%);transition:transform .22s ease-out;overflow:auto;color:#2b2b2b}.page.show{transform:none}
.page-header{height:132px;background:#fff;position:sticky;top:0;z-index:2;border-bottom:1px solid #f0f0f3;padding-top:max(env(safe-area-inset-top),0px)}
.back-btn{position:absolute;left:22px;bottom:18px;width:43px;height:48px;border:0;background:none;padding:0}.back-btn:before{content:"";position:absolute;width:24px;height:24px;border-left:2px solid #444;border-bottom:2px solid #444;transform:rotate(45deg);left:9px;top:10px}.page-title{position:absolute;left:50%;transform:translateX(-50%);bottom:23px;font-size:27px;font-weight:650;white-space:nowrap}.restore{position:absolute;right:24px;bottom:24px;color:#168fe3;font-size:22px;font-weight:600;border:0;background:none;padding:0}
.group{margin-top:24px;background:#fff}.group.no-gap{margin-top:0}.row{height:74px;display:flex;align-items:center;padding:0 25px;background:#fff;border-bottom:1px solid #ececef;font-size:25px;position:relative}.row:last-child{border-bottom:0}.row .right{margin-left:auto;color:#333}.chev{margin-left:auto;width:15px;height:15px;border-top:2px solid #c7c7cb;border-right:2px solid #c7c7cb;transform:rotate(45deg);margin-right:4px}.check{margin-left:auto;width:28px;height:15px;border-left:3px solid #3c83e5;border-bottom:3px solid #3c83e5;transform:rotate(-45deg);margin-right:6px;margin-top:-9px}.switch{margin-left:auto;width:81px;height:41px;border-radius:23px;background:#e5e5e8;position:relative;transition:.15s}.switch:after{content:"";position:absolute;width:37px;height:37px;left:2px;top:2px;background:#fff;border-radius:50%;box-shadow:0 1px 4px #0002;transition:.15s}.switch.on{background:#61cc72}.switch.on:after{left:42px}
.subtle{color:#85858b;font-size:21px}.sound-row{height:74px}.sound-row .touchmark{position:absolute;right:48px;width:31px;height:31px;border-radius:50%;border:2px solid #e0e0e5;display:none}.sound-row.pressing .touchmark{display:block}
.about-space{height:350px}
.toast{position:absolute;z-index:99;left:50%;bottom:32px;transform:translate(-50%,20px);background:rgba(0,0,0,.78);color:#fff;padding:10px 17px;border-radius:18px;font-size:14px;opacity:0;transition:.2s;pointer-events:none}.toast.show{opacity:1;transform:translate(-50%,0)}
@media (max-height:700px){.drawer-head{height:260px}.avatar{top:125px}.login{top:220px}.drawer-title{top:68px}.drawer-back{top:61px}.page-header{height:104px}.row,.sound-row{height:62px}.keypad{height:58%}.display{min-height:42%}}