:root { --ink:#050505; --paper:#f8f8f5; --muted:#a7a7a3; --line:#272727; --accent:#ededeb; }
* { box-sizing:border-box; }
body { margin:0; background:var(--ink); color:var(--paper); font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans CJK SC", sans-serif; font-size:16px; }
a { color:inherit; text-underline-offset:4px; }
.nav { height:64px; display:flex; align-items:stretch; background:var(--paper); color:var(--ink); padding:0 clamp(18px,5vw,80px); }
.nav-links{display:contents}.menu-toggle{display:none}
.nav a,.nav form button { border:0; background:transparent; color:inherit; padding:0 17px; display:flex; align-items:center; font:inherit; text-decoration:none; cursor:pointer; }
.nav a:hover,.nav a.active { background:var(--ink); color:var(--paper); }.nav .spacer{flex:1}.brand{font-weight:700;letter-spacing:-.03em}
main { min-height:calc(100vh - 64px); padding:clamp(32px,7vw,112px) clamp(20px,8vw,144px); background-image:radial-gradient(#242424 0.7px, transparent .7px); background-size:9px 9px; }
.hero { max-width:790px; margin:14vh auto 0; }.eyebrow { color:var(--muted); letter-spacing:.12em; font-size:.78rem; text-transform:uppercase; }.hero h1 { font-size:clamp(3.4rem,9vw,9rem); line-height:.82; letter-spacing:-.08em; margin:18px 0 30px; }.hero p { max-width:34rem; line-height:1.7; color:#d0d0cc; }
.links { display:flex; gap:24px; margin-top:42px; flex-wrap:wrap; }.links a { font-weight:650; }
.page { max-width:1000px; margin:auto; }.page h1 { font-size:clamp(2.6rem,6vw,6rem); letter-spacing:-.065em; margin:0 0 44px; }.page p { max-width:680px; line-height:1.75; color:#d0d0cc; }.rule { border:0;border-top:1px solid var(--line);margin:45px 0; }
.form-card { max-width:470px; margin:8vh auto; border:1px solid var(--paper); padding:clamp(24px,4vw,48px); background:var(--ink); }.form-card h1{font-size:3rem;letter-spacing:-.06em;margin:0 0 30px}.field{display:grid;gap:9px;margin:18px 0}.field input{height:47px;border:1px solid #868682;background:var(--paper);color:var(--ink);font:inherit;padding:0 12px}.button{background:var(--paper);color:var(--ink);border:1px solid var(--paper);padding:13px 18px;font:inherit;font-weight:700;cursor:pointer}.error{border-left:3px solid var(--paper);padding-left:12px;color:#fff;margin:18px 0}
.calendar-layout { display:grid; grid-template-columns:220px minmax(0,1fr) 250px; gap:20px; }.panel{border:1px solid var(--line);background:#090909;padding:20px}.panel h2{font-size:1.15rem;margin:0 0 20px}.calendar-list{list-style:none;margin:0;padding:0}.calendar-list li{padding:10px 0;border-bottom:1px solid var(--line)}.dot{display:inline-block;width:9px;height:9px;border-radius:100%;background:var(--paper);margin-right:9px}.week{min-height:570px}.week-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:14px}.agenda-empty{color:var(--muted);line-height:1.6}.connect-grid{display:grid;grid-template-columns:minmax(260px,.8fr) minmax(0,1.4fr);gap:20px}.code{background:#111;border:1px solid var(--line);padding:14px;word-break:break-all;font-family:ui-monospace,monospace;font-size:.86rem}.tabs{display:flex;border-bottom:1px solid var(--paper);gap:3px}.tabs button{background:var(--paper);border:0;padding:10px 13px;font:inherit;cursor:pointer}.tabs button.active{background:var(--ink);color:var(--paper);border:1px solid var(--paper);border-bottom:0}
@media(max-width:800px){.nav{padding:0 10px}.nav a,.nav form button{padding:0 9px;font-size:.86rem}.nav a:nth-of-type(n+4){display:none}.calendar-layout,.connect-grid{grid-template-columns:1fr}.hero{margin-top:8vh}.page h1{margin-bottom:28px}}
.calendar-layout{min-height:calc(100vh - 150px);grid-template-columns:250px minmax(640px,1fr) 300px}.panel{min-height:100%}.field select{height:47px;border:1px solid #868682;background:var(--paper);color:var(--ink);font:inherit;padding:0 12px;width:100%}.week-grid{display:grid;grid-template-columns:54px repeat(7,minmax(82px,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line)}.week-grid>*{min-height:56px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:6px;font-size:.78rem}.week-grid .head{min-height:38px;font-weight:700}.week-grid .time{color:var(--muted);text-align:right}.event{background:#e7e7e0;color:#080808;line-height:1.3;font-weight:650;overflow:hidden}.event.c1{background:#e99d67}.event.c2{background:#8ccf9a}.event.c3{background:#8faee8}.event.c4{background:#e58d94}.device-tab{border:1px solid var(--paper);background:var(--paper);color:var(--ink);padding:10px;cursor:pointer}.device-tab.active{background:var(--ink);color:var(--paper)}.settings-layout{display:grid;grid-template-columns:220px 1fr;gap:20px;min-height:60vh}.settings-nav a{display:block;padding:12px 0;border-bottom:1px solid var(--line);text-decoration:none}
.account-button{gap:9px;font-weight:650;letter-spacing:.01em}.avatar{width:28px;height:28px;border:1px solid var(--ink);border-radius:50%;display:grid;place-items:center;font-size:.8rem;font-weight:800}.account-exit{font-size:.76rem;color:#6b6b68;margin-left:2px}.guide{line-height:1.8;padding-top:18px}.guide li{margin:8px 0}.guide code{background:#111;border:1px solid var(--line);padding:2px 5px}.token-row{display:flex;align-items:center;justify-content:space-between;gap:18px;border-bottom:1px solid var(--line);padding:10px 0}.token-row p{margin:0}.danger{background:transparent;color:var(--paper)}.revoked{color:#e58d94}.settings-nav a.active{color:var(--paper);font-weight:700}@media(max-width:1000px){.calendar-layout{grid-template-columns:1fr}.week-grid{overflow-x:auto}.settings-layout{grid-template-columns:1fr}.settings-nav{display:flex;gap:18px}.settings-nav a{border:0}}@media(max-width:600px){.account-exit{display:none}.calendar-layout{min-height:0}.week{overflow-x:auto}.week-grid{min-width:690px}}
.dashboard{max-width:1120px;margin:9vh auto 0;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);gap:clamp(40px,9vw,150px);align-items:start}.dashboard h1{font-size:clamp(3.6rem,7vw,7.6rem);line-height:.88;letter-spacing:-.075em;margin:22px 0 42px}.dashboard>div>p{font-size:1.12rem;line-height:2;color:#d0d0cc;max-width:34rem}.dashboard-info{border-left:1px solid var(--paper);padding:6px 0 6px 26px;margin-top:12px}.dashboard-label{margin-top:34px}.settings-nav button{width:100%;padding:12px 0;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--muted);font:inherit;text-align:left;cursor:pointer}.settings-nav button.active,.settings-nav button:hover{color:var(--paper);font-weight:700}.setting-section{max-width:700px}.link-button{display:inline-block;text-decoration:none}@media(max-width:1000px){.dashboard{grid-template-columns:1fr;margin-top:4vh;gap:44px}.dashboard-info{margin:0}.settings-nav button{width:auto;border:0;padding:8px 0}}
.nav form{display:flex;align-items:stretch}.nav .account-button{height:100%;display:flex;align-items:center;justify-content:center;font-size:inherit;font-weight:400;letter-spacing:0}.nav .avatar{width:25px;height:25px;font-size:.75rem}.week-header{gap:10px}.week-header strong{flex:1;text-align:center}.week-nav{width:32px;height:32px;border:1px solid var(--line);background:transparent;color:var(--paper);font:inherit;font-size:1.25rem;line-height:1;cursor:pointer}.week-nav:hover{background:var(--paper);color:var(--ink)}
.nav .account-button{min-height:64px;padding:0 17px;align-self:center}.nav .account-exit{display:none}.hour-cell{padding:0!important;position:relative}.hour-cell .event{height:100%;min-height:100%;margin:0;border-radius:0;padding:6px;overflow:hidden}.hour-cell .event-continue{opacity:.78}
.calendar-main{height:calc(100vh - 64px);min-height:0;padding:24px clamp(20px,4vw,72px);overflow:hidden}.calendar-main .calendar-layout{height:100%;min-height:0}.calendar-main .panel{min-height:0;overflow:hidden}.calendar-main .week{display:flex;flex-direction:column}.week-body{flex:1;min-height:0;overflow:auto}.week-grid .head{position:sticky;top:0;z-index:2;background:#090909}.week-grid .time{background:#090909}.calendar-main .rule{margin:25px 0}.calendar-main .field{margin:12px 0}.calendar-main .button{margin-top:4px}
.calendar-main #new-calendar{display:none}.calendar-preferences{display:grid;gap:12px;margin-top:24px}.calendar-preference{display:grid;grid-template-columns:14px minmax(160px,1fr) 88px auto;gap:14px;align-items:end;padding:16px;border:1px solid var(--line)}.calendar-preference .dot{margin:0 0 14px}.calendar-preference .field{margin:0}.calendar-preference .color-field input{width:100%;height:42px;padding:3px}.calendar-create{display:grid;grid-template-columns:minmax(180px,1fr) 88px auto;gap:14px;align-items:end}.calendar-create .field{margin:0}.calendar-pref-actions{display:flex;gap:8px}.calendar-pref-actions .button{white-space:nowrap}@media(max-width:720px){.calendar-create,.calendar-preference{grid-template-columns:1fr}.calendar-preference .dot{display:none}.calendar-pref-actions{justify-content:flex-start}}
.settings-layout{grid-template-columns:220px minmax(0,760px);max-width:1040px;margin-left:auto;margin-right:auto}.settings-layout>.panel:last-child{width:100%}@media(max-width:1000px){.settings-layout{max-width:none;margin:0;grid-template-columns:1fr}}
.field textarea{width:100%;min-height:140px;resize:vertical;border:1px solid #868682;background:var(--paper);color:var(--ink);font:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.83rem;line-height:1.55;padding:12px}.content-editor{padding:20px 0;border-bottom:1px solid var(--line)}.content-editor:first-of-type{padding-top:0}
.site-footer{min-height:58px;display:flex;align-items:center;gap:8px;justify-content:space-between;padding:10px clamp(18px,5vw,80px);background:var(--paper);color:#747474;font-size:.9rem}.site-footer span{display:flex;align-items:center;gap:5px;white-space:nowrap}.site-footer img{display:block;height:20px;max-width:100%}.site-footer .footer-mark{width:16px;height:16px}.footer-filings{margin-left:auto}.mobile-hint{display:none}
/* Mobile-only layout: desktop rules above remain unchanged. */
@media(max-width:720px){
  body{font-size:15px}
  .nav{height:56px;padding:0 8px;position:relative;overflow:visible;white-space:nowrap}
  .nav a,.nav form button{padding:0 11px;font-size:.84rem}
  .nav .brand{padding-left:8px;padding-right:14px}
  .menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:4px;width:42px;border:0;background:transparent;color:var(--ink);padding:0 10px;cursor:pointer}
  .menu-toggle span{display:block;width:20px;height:1.5px;background:currentColor}
  .nav-links{display:none;position:absolute;top:56px;right:8px;left:auto;width:min(244px,calc(100vw - 16px));z-index:20;background:var(--paper);border:1px solid var(--line);box-shadow:0 12px 20px rgba(0,0,0,.18)}
  .nav-links.open{display:flex;flex-direction:column}
  .nav .nav-links a{display:flex!important;min-height:48px;width:100%;padding:0 20px;border-bottom:1px solid #d8d8d3}
  .nav .spacer{display:block}
  .nav form{flex:0 0 auto}
  .nav .account-button{min-height:56px;padding:0 10px}
  .nav .account-button>span:nth-child(2){display:none}
  main{min-height:calc(100vh - 56px);padding:32px 20px}
  .hero{margin-top:7vh}.hero h1{font-size:clamp(3.5rem,19vw,5.3rem);margin:16px 0 24px}
  .hero p,.dashboard>div>p{font-size:1rem;line-height:1.8}
  .page h1{font-size:clamp(2.6rem,14vw,4rem)}
  .form-card{margin:4vh auto;padding:24px 20px}.form-card h1{font-size:2.5rem}
  .dashboard{margin:4vh auto 0;gap:34px}.dashboard h1{font-size:clamp(3.25rem,16vw,5rem);margin:18px 0 28px}
  .dashboard-info{border-left:0;border-top:1px solid var(--paper);padding:24px 0 0}
  .connect-grid{grid-template-columns:1fr;gap:14px}
  .tabs{overflow-x:auto;white-space:nowrap}.tabs button{flex:0 0 auto}
  .guide{padding-top:12px}.guide ol{padding-left:22px}
  .settings-layout{gap:14px}.settings-nav{overflow-x:auto;white-space:nowrap;gap:16px;padding:14px 16px}.settings-nav h2{display:none}.settings-nav button{flex:0 0 auto;padding:6px 0}
  .setting-section{max-width:none}.token-row{align-items:flex-start;flex-direction:column;gap:9px}.token-row form{width:100%}.token-row .button{width:100%}
  .calendar-create,.calendar-preference{gap:12px}.calendar-preferences{margin-top:18px}
  .calendar-main{height:auto;min-height:calc(100vh - 56px);padding:16px 12px;overflow:visible}
  .calendar-main .calendar-layout{height:auto;display:grid;grid-template-columns:1fr;gap:12px}
  .calendar-main .panel{overflow:visible;padding:16px}
  .calendar-main .week{min-height:0}.calendar-main .week-body{max-height:65vh;overflow-y:auto;overflow-x:hidden}
  .calendar-main .week-grid{min-width:0;grid-template-columns:38px repeat(7,minmax(0,1fr))}.calendar-main .week-grid>*{min-width:0;min-height:48px;padding:3px;font-size:.62rem}.calendar-main .week-grid .head{min-height:42px;font-size:.67rem}.calendar-main .week-grid .time{font-size:.6rem}.calendar-main .hour-cell .event{padding:3px;font-size:.62rem;word-break:break-all}.calendar-main .hour-cell .event small{display:none}.calendar-main .week-header{position:sticky;left:0}
  .calendar-main .rule{margin:20px 0}
  .calendar-main .button{width:100%}.calendar-main .danger{width:auto}
  .site-footer{min-height:0;align-items:flex-start;flex-wrap:wrap;justify-content:flex-start;padding:14px 16px;font-size:.78rem}.site-footer .footer-filings{margin-left:0}.site-footer img{height:18px}
  .mobile-hint{display:block;position:fixed;z-index:100;top:68px;left:16px;right:16px;padding:12px 16px;border:1px solid rgba(255,255,255,.22);border-radius:14px;background:rgba(25,25,25,.94);color:#fff;box-shadow:0 10px 28px rgba(0,0,0,.28);font-size:.9rem;opacity:0;transform:translateY(-10px);transition:opacity .24s ease,transform .24s ease;pointer-events:none}.mobile-hint.show{opacity:1;transform:translateY(0)}
}
.about-filings{display:flex;align-items:center;gap:6px;margin-top:24px;opacity:.58}.about-filings img{display:block;height:18px}
@media(max-width:720px){.site-footer{display:none}}
.site-footer{min-height:40px;justify-content:center;gap:5px;padding:7px 16px;background:var(--ink);color:var(--muted);opacity:.42;font-size:.68rem}.site-footer .footer-filings{margin-left:0}.site-footer img{height:14px}.site-footer .footer-mark{width:13px;height:13px}.admin-user-section{max-width:none}.admin-user-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:12px 0;border-bottom:1px solid var(--line)}.admin-user-toolbar strong{margin-right:auto}.admin-user-toolbar form{display:flex;gap:6px}.admin-user-toolbar select{height:42px;background:var(--paper);color:var(--ink);border:0;padding:0 8px}.admin-user-scroll{max-height:480px;overflow:auto;border-top:1px solid var(--line);margin-top:18px}.admin-user-row{border-bottom:1px solid var(--line)}.admin-user-summary,.admin-token{width:100%;display:grid;gap:3px;text-align:left;border:0;background:transparent;color:var(--paper);font:inherit;padding:15px;cursor:pointer}.admin-user-summary span,.admin-user-summary small,.admin-token span,.admin-token small{color:var(--muted)}.admin-user-row.selected>.admin-user-summary,.admin-user-summary:hover,.admin-token.selected{background:var(--paper);color:var(--ink)}.admin-user-detail{padding:0 15px 14px}.admin-token{border:1px solid var(--line);margin-top:8px}.revoked-token{opacity:.42;cursor:default}@media(max-width:720px){.admin-user-toolbar{align-items:stretch}.admin-user-toolbar strong{width:100%}.admin-user-toolbar form{flex:1}.admin-user-toolbar .button{width:100%}.admin-user-toolbar select{max-width:95px}.admin-user-scroll{max-height:55vh}}
.connect-top{margin-bottom:20px}.connect-bottom{display:grid;grid-template-columns:minmax(260px,.72fr) minmax(0,1.28fr);gap:20px}.archive-card{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:260px}.archive-card h2{font-size:clamp(1.45rem,2.4vw,2.2rem);line-height:1.18;margin:12px 0}.archive-card p{max-width:20rem}.archive-qr{width:168px;height:168px;object-fit:contain;background:#fff;padding:7px}.ics-card{min-height:260px}.ics-card h2{margin:8px 0 0}.ics-card .guide{padding-top:8px}@media(max-width:720px){.connect-bottom{grid-template-columns:1fr;gap:14px}.archive-card{min-height:0}.archive-qr{width:132px;height:132px}.ics-card{min-height:0}}
.wechat-announcement{font-size:inherit;font-weight:800;color:var(--paper);white-space:nowrap;animation:wechat-pulse 3.4s ease-in-out infinite}@keyframes wechat-pulse{0%,100%{opacity:.38}50%{opacity:1}}@media(prefers-reduced-motion:reduce){.wechat-announcement{animation:none;opacity:1}}@media(max-width:720px){.wechat-announcement{white-space:normal}}
.connect-bottom{grid-template-columns:minmax(260px,.8fr) minmax(0,1.4fr)}.archive-card,.ics-card{min-height:0}.archive-card{gap:16px;padding:20px}.archive-card h2{font-size:1.2rem;line-height:1.3;margin:7px 0}.archive-card p{margin:0;font-size:.86rem}.archive-qr{width:94px;height:94px;padding:4px}.ics-card{padding:20px}.ics-card h2{font-size:1.15rem;margin:7px 0}.ics-card .guide{padding-top:0}.ics-card .field{margin:14px 0 10px}@media(max-width:720px){.connect-bottom{grid-template-columns:1fr}.archive-qr{width:86px;height:86px}}
 .user-manager{max-width:1180px;margin:auto;display:grid;grid-template-columns:280px minmax(0,1fr);gap:20px}.user-list{min-height:620px}.user-scroll{max-height:560px;overflow:auto;border-top:1px solid var(--line)}.user-select,.managed-token{display:grid;width:100%;gap:4px;text-align:left;background:transparent;color:var(--paper);border:0;border-bottom:1px solid var(--line);padding:14px;cursor:pointer;font:inherit}.user-select small,.managed-token small,.managed-token span{color:var(--muted)}.user-select.active,.user-select:hover,.managed-token.active{background:var(--paper);color:var(--ink)}.user-toolbar{display:flex;align-items:center;gap:9px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:16px}.user-toolbar strong{margin-right:auto}.user-toolbar form{display:flex;gap:7px}.user-toolbar select{height:42px;background:var(--paper);color:var(--ink);border:0;padding:0 8px}.user-token-list{margin-top:20px}.managed-token{margin-top:8px;border:1px solid var(--line)}.revoked-token{opacity:.45;cursor:default}.user-workspace{min-height:620px}@media(max-width:720px){.user-manager{grid-template-columns:1fr}.user-list{min-height:0}.user-scroll{max-height:190px}.user-workspace{min-height:0}.user-toolbar{align-items:stretch}.user-toolbar strong{width:100%}.user-toolbar form{width:100%}.user-toolbar .button{flex:1}.user-toolbar select{flex:1}}