:root{
  color-scheme:dark;
  --bg:#070a12;
  --bg-deep:#03050a;
  --surface:#0d1220;
  --surface-2:#111829;
  --ink:#f4f6fb;
  --soft:#bac3d7;
  --muted:#7f8aa3;
  --line:rgba(151,166,199,.18);
  --line-strong:rgba(159,177,219,.34);
  --violet:#9a7cff;
  --blue:#63c7ff;
  --cyan:#58f1df;
  --green:#69e7b2;
  --shadow:0 28px 80px rgba(0,0,0,.36);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{
  margin:0;
  min-width:320px;
  background:
    radial-gradient(circle at 8% 8%,rgba(102,84,226,.17),transparent 31rem),
    radial-gradient(circle at 92% 38%,rgba(30,159,216,.12),transparent 34rem),
    linear-gradient(180deg,var(--bg-deep),var(--bg) 35rem);
  color:var(--ink);
  font:16px/1.6 Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
}
body:before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:.2;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:54px 54px;
  mask-image:linear-gradient(to bottom,black,transparent 72%);
}
body.light{
  color-scheme:light;
  --bg:#f3f5fa;
  --bg-deep:#eef1f8;
  --surface:#fff;
  --surface-2:#f8f9fd;
  --ink:#111726;
  --soft:#4d586e;
  --muted:#758097;
  --line:rgba(39,54,89,.13);
  --line-strong:rgba(39,54,89,.24);
  --shadow:0 24px 70px rgba(51,62,92,.12);
  background:linear-gradient(180deg,#edf0f8,#f7f8fb 34rem);
}

a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
button,a{-webkit-tap-highlight-color:transparent}
button{cursor:pointer}
button:focus-visible,a:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
h1,h2,p{margin:0}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.section-shell{width:min(1180px,calc(100% - 48px));margin-inline:auto}

.topbar{
  position:sticky;
  z-index:30;
  top:0;
  border-bottom:1px solid var(--line);
  background:color-mix(in srgb,var(--bg-deep) 82%,transparent);
  backdrop-filter:blur(18px);
}
.topbar-inner{width:min(1240px,calc(100% - 40px));height:74px;margin:auto;display:flex;align-items:center;gap:34px}
.notice-strip{margin-top:18px;min-height:64px;border:1px solid var(--line);border-radius:10px;background:rgba(14,20,34,.72);display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 20px}.notice-copy{display:flex;align-items:center;gap:10px;color:var(--soft)}.notice-copy strong{font-size:14px;color:var(--ink)}.notice-copy p{font-size:12px;margin-top:2px;color:var(--muted)}.notice-bell{font-size:18px;color:var(--blue)}.notice-actions{display:flex;gap:8px;align-items:center}.channel-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);border-radius:7px;background:transparent;color:var(--soft);font:inherit;font-size:12px;padding:9px 12px;cursor:pointer;text-decoration:none;white-space:nowrap}.channel-button:hover,.channel-button:focus-visible{border-color:var(--blue);color:var(--ink)}.qq-button-icon{width:21px;height:21px;display:block;color:#12a7e8;filter:drop-shadow(0 0 5px rgba(18,167,232,.18))}.notify-button{min-width:118px}.groups-dialog{width:min(330px,calc(100% - 32px));border:1px solid var(--line);border-radius:14px;background:#0d1422;color:var(--ink);padding:28px;box-shadow:0 22px 80px #000b}.groups-dialog::backdrop{background:#000a;backdrop-filter:blur(3px)}.groups-dialog h2{font-size:22px;text-align:center}.groups-dialog>p{color:var(--muted);margin:6px 0 18px;text-align:center}.dialog-close{position:absolute;right:14px;top:10px;border:0;background:none;color:var(--muted);font-size:24px;cursor:pointer}.qr-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:14px}.qr-grid div{display:grid;gap:8px;text-align:center;color:var(--soft);font-size:13px}.qr-grid img{width:100%;aspect-ratio:1;object-fit:cover;background:#fff;border-radius:8px}.qr-note{margin:0;color:var(--muted);font-size:12px}.dialog-link{display:block;margin-top:18px;text-align:center;color:var(--blue);font-size:14px}
.brand{display:flex;align-items:center;gap:11px;font-weight:760;letter-spacing:-.03em;font-size:18px}
.brand-mark{
  display:block;width:34px;height:34px;object-fit:cover;border:1px solid var(--line-strong);
  border-radius:50%;box-shadow:0 0 26px rgba(115,114,255,.25)
}
.topnav{display:flex;gap:28px;color:var(--muted);font-size:14px}
.topnav a:hover{color:var(--ink)}
.top-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.top-actions time{color:var(--muted);font-size:12px;margin-right:7px}
.icon-button,.x-button{
  min-height:38px;border:1px solid var(--line);background:rgba(255,255,255,.025);border-radius:8px;
  display:flex;align-items:center;justify-content:center;gap:8px;padding:0 12px;font-size:13px
}
.icon-button>span:first-child{display:flex}
.x-button{width:38px;padding:0;font-size:18px}
.icon-button:hover,.x-button:hover{border-color:var(--line-strong);background:var(--surface-2)}

.hero{min-height:660px;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(360px,.85fr);gap:72px;align-items:center;padding-block:82px}
.eyebrow,.card-kicker{font-size:12px;letter-spacing:.16em;color:var(--blue);font-weight:700}
.hero h1{font-size:clamp(54px,7vw,100px);line-height:.97;letter-spacing:-.065em;margin-top:28px;font-weight:720}
.hero h1 span{color:transparent;background:linear-gradient(100deg,#fff 4%,var(--blue) 48%,var(--violet));background-clip:text;-webkit-background-clip:text}
body.light .hero h1 span{background-image:linear-gradient(100deg,#151a2a,var(--blue),#7458e8)}
.hero-intro{max-width:590px;color:var(--soft);font-size:18px;margin-top:30px}
.hero-links{display:flex;align-items:center;gap:24px;margin-top:38px}
.primary-link{display:inline-flex;align-items:center;gap:30px;padding:13px 17px;border:1px solid var(--line-strong);border-radius:8px;background:var(--ink);color:var(--bg-deep);font-weight:700;font-size:14px}
.primary-link:hover{transform:translateY(-1px)}
.text-link{font-size:14px;color:var(--soft)}
.text-link:hover{color:var(--blue)}

.reset-card{position:relative;border:1px solid var(--line-strong);border-radius:8px;padding:26px;background:linear-gradient(145deg,rgba(18,25,43,.92),rgba(8,12,22,.94));box-shadow:var(--shadow);overflow:hidden}
body.light .reset-card{background:rgba(255,255,255,.88)}
.reset-card:after{pointer-events:none;content:"";position:absolute;right:-70px;top:-75px;width:180px;height:180px;border:1px solid rgba(112,196,255,.26);border-radius:50%;box-shadow:0 0 60px rgba(100,105,255,.15)}
.reset-card-top{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px}
.reset-card-top button{position:relative;z-index:2;margin-left:auto;border:0;background:none;padding:5px;display:flex;color:var(--muted)}
.reset-card-top button:hover{color:var(--blue)}
.live-dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 13px var(--green)}
.answer{font-size:42px;line-height:1.1;letter-spacing:-.045em;font-weight:730;margin-top:45px}
.answer span{display:block;font-size:13px;color:var(--muted);font-weight:450;letter-spacing:0;margin-top:11px}
.status-copy{color:var(--soft);font-size:14px;margin:22px 0 25px;max-width:36em}
dl{margin:0;font-size:13px}
dl>div{display:flex;justify-content:space-between;gap:20px;padding:12px 0;border-top:1px solid var(--line)}
dt{color:var(--muted)}
dd{margin:0;text-align:right}
.sync{display:flex;justify-content:space-between;gap:15px;color:var(--muted);font-size:11px;margin-top:23px}

.signal-band{border-block:1px solid var(--line);background:rgba(9,13,24,.56)}
body.light .signal-band{background:rgba(255,255,255,.48)}
.signal-grid{display:grid;grid-template-columns:1fr 1fr}
.signal-card{min-height:220px;display:grid;grid-template-columns:50px 1fr auto;gap:20px;align-items:center;padding:42px 40px;border-right:1px solid var(--line)}
.signal-card:first-child{border-left:1px solid var(--line)}
.signal-index{align-self:start;color:var(--muted);font:12px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace}
.signal-card h2{font-size:25px;letter-spacing:-.035em;margin:7px 0 8px}
.signal-card p:last-child{color:var(--muted);font-size:14px}
.status-pill{align-self:start;display:flex;align-items:center;gap:7px;padding:6px 9px;border:1px solid rgba(105,231,178,.3);border-radius:999px;color:var(--green);font-size:11px;white-space:nowrap}
.status-pill i{width:5px;height:5px;border-radius:50%;background:currentColor}
.feature-card{position:relative;overflow:hidden}
.feature-orbit{width:84px;height:84px;border:1px solid rgba(154,124,255,.45);border-radius:50%;box-shadow:inset 0 0 30px rgba(99,199,255,.1),0 0 38px rgba(154,124,255,.12)}
.feature-orbit:after{content:"";display:block;width:9px;height:9px;border-radius:50%;background:var(--blue);box-shadow:0 0 17px var(--blue);transform:translate(58px,2px)}
.petition-card{position:relative;overflow:hidden}
.petition-action{display:grid;gap:9px;justify-items:center;text-align:center}
.petition-button{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line-strong);border-radius:999px;padding:11px 20px;font-size:14px;font-weight:600;color:var(--ink);text-decoration:none;background:linear-gradient(135deg,rgba(154,124,255,.18),rgba(99,199,255,.12));transition:border-color .2s,box-shadow .2s,transform .2s}
.petition-button:hover{border-color:var(--blue);box-shadow:0 0 26px rgba(99,199,255,.3);transform:translateY(-1px)}
.petition-button{position:relative;cursor:pointer;font-family:inherit}
.petition-button:disabled{cursor:progress;opacity:.7}
.petition-button.is-voted{border-color:var(--green);box-shadow:0 0 26px rgba(105,231,178,.42);transform:translateY(-1px) scale(1.03)}
.petition-float{position:absolute;right:4px;top:-6px;font-size:12px;font-weight:700;color:var(--green);opacity:0;pointer-events:none}
.petition-button.is-voted .petition-float{animation:petitionFloat .9s ease-out}
@keyframes petitionFloat{0%{opacity:0;transform:translateY(5px)}30%{opacity:1}100%{opacity:0;transform:translateY(-15px)}}
.signal-card .petition-action .petition-hint{margin:0;color:var(--cyan);font-size:12px;min-height:16px}
.petition-emoji{font-size:16px;line-height:1}
.petition-count{color:var(--cyan);font-size:15px;font-weight:700;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums;min-width:4ch;text-align:right}
body.light .petition-button{color:var(--ink)}
.tibo-activity-card{display:block;position:relative;padding:0;overflow:hidden;background:linear-gradient(115deg,rgba(16,22,42,.96),rgba(30,28,34,.92));border-color:rgba(218,179,43,.42)}
body.light .tibo-activity-card{background:linear-gradient(115deg,#f8f9ff,#fff8dc)}
.activity-head{position:relative;z-index:2;height:46px;display:flex;align-items:center;gap:8px;padding:0 26px;border-bottom:1px solid rgba(218,179,43,.22);color:var(--soft);font:700 12px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em}
.activity-pin{width:7px;height:7px;border-radius:50% 50% 50% 0;background:currentColor;transform:rotate(-45deg);opacity:.75}
.activity-icon{margin-left:auto;display:grid;place-items:center;width:23px;height:23px;border-radius:50%;border:1px solid currentColor;color:#ffd629;background:rgba(255,214,41,.12);font:700 16px/1 sans-serif;box-shadow:0 0 17px rgba(255,214,41,.22)}
.activity-body{position:relative;z-index:2;min-height:173px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 26px}
.activity-clock time{display:block;color:var(--ink);font:500 clamp(20px,2.25vw,30px)/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:-.05em;white-space:nowrap}
.activity-clock p{color:var(--muted);font:13px/1.45 ui-monospace,SFMono-Regular,Menlo,monospace}
.activity-clock .activity-location{margin-top:13px;color:var(--soft);font-family:inherit}
.activity-state{display:flex;align-items:center;gap:7px;white-space:nowrap;color:var(--muted);font-size:13px}
.activity-state strong{color:#ffd629}
.tibo-activity-card[data-state="working"]{border-color:rgba(88,241,223,.38);background:linear-gradient(115deg,rgba(13,25,38,.97),rgba(9,25,27,.94))}
.tibo-activity-card[data-state="working"] .activity-icon,.tibo-activity-card[data-state="working"] .activity-state strong{color:var(--cyan)}
.tibo-activity-card[data-state="resting"] .activity-icon,.tibo-activity-card[data-state="resting"] .activity-state strong{color:var(--violet)}
.sleep-pattern{position:absolute;inset:0;pointer-events:none;color:rgba(255,214,41,.045);font:800 34px/1 ui-monospace,SFMono-Regular,Menlo,monospace}
.sleep-pattern span{position:absolute}
.sleep-pattern span:nth-child(1){left:44%;top:27%;font-size:24px}
.sleep-pattern span:nth-child(2){left:57%;top:11%}
.sleep-pattern span:nth-child(3){right:7%;bottom:15%;font-size:76px}
.sleep-pattern span:nth-child(4){right:31%;top:7%;font-size:42px}
.tibo-activity-card:not([data-state="sleeping"]) .sleep-pattern{display:none}

.content-section{padding-block:100px 120px}
.section-heading{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:36px}
.section-heading h2{font-size:clamp(36px,4vw,58px);line-height:1;letter-spacing:-.055em;margin-top:13px}
.section-heading>p{max-width:330px;color:var(--muted);font-size:14px;text-align:right}
.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:26px;align-items:start}
.feed-panel,.history-panel{border:1px solid var(--line);border-radius:8px;background:color-mix(in srgb,var(--surface) 78%,transparent);box-shadow:var(--shadow);overflow:hidden}
.feed-toolbar{display:flex;align-items:center;border-bottom:1px solid var(--line);min-height:64px}
.tabs{display:flex;align-self:stretch;flex:1}
.tabs button{position:relative;border:0;background:none;color:var(--muted);padding:0 22px;font-size:13px;font-weight:650}
.tabs button:hover{color:var(--ink);background:rgba(255,255,255,.025)}
.tabs button[aria-selected=true]{color:var(--ink)}
.tabs button[aria-selected=true]:after{content:"";position:absolute;left:22px;right:22px;bottom:-1px;height:2px;background:linear-gradient(90deg,var(--blue),var(--violet))}
.post{display:grid;grid-template-columns:46px minmax(0,1fr);gap:14px;padding:25px 26px;border-bottom:1px solid var(--line);transition:background .18s,border-color .18s}
.post:last-child{border-bottom:0}
.post:hover{background:rgba(255,255,255,.025)}
.post.reference-feature{background:linear-gradient(100deg,rgba(99,199,255,.055),rgba(154,124,255,.045))}
.avatar{width:46px;height:46px;object-fit:cover;border-radius:50%;border:1px solid var(--line-strong)}
.author{display:flex;align-items:center;gap:5px;min-height:22px;line-height:1.3;flex-wrap:wrap;font-size:14px}
.author b{font-weight:740}
.verified{display:inline-grid;place-items:center;color:#06101a;background:var(--blue);width:15px;height:15px;font-size:10px;font-weight:900;border-radius:50%}
.handle,.post-date{color:var(--muted);font-size:13px}
.post-source{margin-left:auto;color:var(--muted);letter-spacing:1px;padding:0 5px}
.post-body{font-size:17px;line-height:1.55;white-space:pre-line;overflow-wrap:anywhere;margin-top:7px}
.quote{display:block;border:1px solid var(--line-strong);border-radius:8px;padding:15px;margin-top:16px;background:rgba(0,0,0,.1)}
.quote:hover{color:var(--ink);border-color:rgba(99,199,255,.42)}
.quote .avatar{width:24px;height:24px}
.quote .post-body{font-size:15px}
.metrics{display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--muted);margin-top:18px;font-size:12px}
.metric{display:flex;align-items:center;gap:5px;white-space:nowrap}
.metrics svg{width:17px;height:17px}
.metrics a{display:flex}
.metrics a:hover,.source-row a:hover{color:var(--blue)}
.source-row{margin-top:17px;color:var(--muted);font-size:12px;display:flex;justify-content:space-between;gap:12px}
.source-row a{color:var(--blue)}
.feed-foot{padding:20px 26px;border-top:1px solid var(--line);color:var(--muted);font-size:11px}
.loading{padding:28px;color:var(--muted);font-size:14px}

.history-panel{padding:26px;position:sticky;top:100px}
.history-heading{padding-bottom:20px;border-bottom:1px solid var(--line)}
.history-heading h2{font-size:27px;letter-spacing:-.04em;margin:7px 0 4px}
.history-heading>p:last-child{font-size:13px;color:var(--muted)}
.history-item{display:flex;gap:12px;padding:19px 0;border-bottom:1px solid var(--line);font-size:14px}
.history-dot{width:7px;height:7px;background:var(--blue);box-shadow:0 0 10px rgba(99,199,255,.55);border-radius:50%;margin-top:7px;flex-shrink:0}
.history-item time{font-size:11px;color:var(--muted)}
.history-item p{margin-top:3px}
.completed{margin-left:auto;color:var(--green);font-size:11px;white-space:nowrap}
.history-more{display:flex;justify-content:space-between;padding-top:20px;color:var(--blue);font-size:13px}
.history-more{width:100%;background:none;border:0;font:inherit;text-align:left;cursor:pointer}
.heatmap{margin-top:18px;border-top:1px solid var(--line);padding-top:14px}.heatmap-head{display:flex;justify-content:space-between;color:var(--muted);font-size:13px;margin-bottom:12px}.heatmap-scroll{overflow-x:auto;padding-bottom:3px}.heatmap-months,.heatmap-grid{min-width:520px}.heatmap-months{display:grid;grid-template-columns:repeat(53,1fr);height:17px;color:var(--muted);font-size:10px}.heatmap-months span{white-space:nowrap}.heatmap-grid{display:grid;grid-template-columns:repeat(53,1fr);grid-template-rows:repeat(7,10px);grid-auto-flow:column;gap:4px}.heat-dot{display:block;width:10px;height:10px;border-radius:3px;background:#182231;border:1px solid #263448}.heat-dot.level-1{background:#38c995;border-color:#38c995;box-shadow:0 0 8px #38c99555}.heatmap-legend{display:flex;gap:12px;margin-top:12px;color:var(--muted);font-size:12px}.heatmap-legend span{display:flex;align-items:center;gap:5px}.heatmap-legend .heat-dot{width:10px;height:10px}
.history-more:hover span{transform:translate(2px,-2px)}

.site-footer{border-top:1px solid var(--line);background:rgba(3,5,10,.55)}
.footer-inner{min-height:170px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.footer-inner strong{font-size:18px}
.footer-inner p{color:var(--muted);font-size:12px;margin-top:5px}
.footer-links{display:flex;gap:26px;color:var(--muted);font-size:13px}
.footer-links a:hover{color:var(--blue)}

@media(max-width:900px){
  .notice-strip{margin:12px 14px 0;display:block;padding:14px}.notice-actions{margin-top:12px;display:flex;flex-wrap:wrap}.channel-button{flex:1 1 auto;text-align:center}
  .topnav,.top-actions time{display:none}
  .hero{grid-template-columns:1fr;gap:50px;min-height:auto;padding-block:75px}
  .hero-copy{max-width:720px}
  .reset-card{max-width:640px}
  .signal-grid{grid-template-columns:1fr}
  .signal-card{border-left:1px solid var(--line);border-bottom:1px solid var(--line)}
  .signal-card:last-child{border-bottom:0}
  .content-grid{grid-template-columns:1fr}
  .history-panel{position:static}
}
@media(max-width:620px){
  .section-shell{width:min(100% - 30px,1180px)}
  .topbar-inner{width:calc(100% - 28px);height:64px}
  .brand{font-size:16px}
  .brand-mark{width:31px;height:31px}
  .icon-button{width:38px;padding:0}
  #themeLabel{display:none}
  .hero{padding-block:60px}
  .hero h1{font-size:clamp(50px,17vw,74px)}
  .hero-intro{font-size:16px}
  .hero-links{align-items:flex-start;flex-direction:column}
  .reset-card{padding:21px}
  .answer{font-size:35px}
  .signal-card{grid-template-columns:36px 1fr;padding:32px 20px}
  .petition-action{grid-column:2;justify-items:start;text-align:left}
  .tibo-activity-card{padding:0}
  .activity-head{padding:0 18px}
  .activity-body{align-items:flex-start;flex-direction:column;padding:20px 18px;gap:18px}
  .activity-clock time{font-size:20px}
  .activity-state{align-self:flex-end}
  .status-pill,.feature-orbit{display:none}
  .content-section{padding-block:75px 90px}
  .section-heading{align-items:flex-start;flex-direction:column;gap:14px}
  .section-heading>p{text-align:left}
  .feed-toolbar{display:block}
  .tabs{height:56px}
  .tabs button{padding:0 8px;font-size:12px}
  .tabs button[aria-selected=true]:after{left:9px;right:9px}
  .post{grid-template-columns:38px minmax(0,1fr);gap:10px;padding:20px 14px}
  .avatar{width:38px;height:38px}
  .author{font-size:13px}
  .handle,.post-date{font-size:12px}
  .post-body{font-size:16px}
  .quote{padding:11px}
  .quote .handle{display:none}
  .metrics{gap:4px;font-size:10px}
  .metrics svg{width:15px;height:15px}
  .history-panel{padding:22px 18px}
  .footer-inner{padding-block:40px;align-items:flex-start;flex-direction:column}
  .footer-links{flex-wrap:wrap;gap:14px 22px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}