:root{--paper:#eee9dd;--surface:#f4efe3;--ink:#263c31;--muted:#626d60;--line:#bcc1af;--accent:#476149;--serif:"Noto Serif CJK SC","Source Han Serif SC","SimSun",serif;--sans:"Microsoft YaHei UI","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font:16px/1.65 var(--sans);color:var(--ink);background:var(--paper);font-synthesis:none}
    *{box-sizing:border-box}body{margin:0;min-width:320px}button,input,select{font:inherit;color:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button{border:0;background:transparent;min-height:44px;padding:8px 16px}button:hover:not(:disabled){background:#263c310b}button:active:not(:disabled){transform:translateY(1px)}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.45;text-wrap:balance}h1{font-size:36px}h2{font-size:24px}h3{font-size:20px}p{text-wrap:pretty}small,.small{font-size:13px}.muted{color:var(--muted)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.hidden,[hidden]{display:none!important}
    .masthead{max-width:1160px;margin:0 auto;padding:40px 48px 16px;display:flex;align-items:start;justify-content:space-between;gap:24px}.brand{font:36px/1.1 Georgia,serif;letter-spacing:.01em}.brand small{display:block;font:13px/2.4 var(--sans);letter-spacing:.22em;margin-top:4px}.account-mark{display:flex;align-items:center;gap:12px;padding-top:8px;font-size:13px}.link-button{padding:4px 0;border-bottom:1px solid transparent;min-height:44px;color:var(--muted)}.link-button:hover{border-color:var(--accent);background:transparent!important;color:var(--ink)}
    main{padding:20px 24px 80px;min-height:calc(100dvh - 142px);display:grid;align-content:center}.auth{width:min(420px,100%);margin:0 auto}.eyebrow{font-size:13px;letter-spacing:.14em;color:var(--muted);margin-bottom:12px}.intro{color:var(--muted);font-size:14px;line-height:1.85;margin-top:12px}.tabs{display:flex;border-bottom:1px solid var(--line);gap:28px;margin:0 0 28px}.tab{padding:8px 0 12px;min-width:68px;position:relative;color:var(--muted)}.tab[aria-selected=true]{color:var(--ink);font-weight:600}.tab[aria-selected=true]:after{content:"";height:2px;background:var(--ink);position:absolute;bottom:-1px;left:0;right:0}.fields{display:grid;gap:20px}.field label{display:block;font-size:14px;margin-bottom:8px}.field input{width:100%;height:52px;border:1px solid #a7b19f;border-radius:3px;padding:12px 16px;background:#f4efe380;outline-offset:2px}.field input::placeholder{color:#858b7c;font-size:14px}.field input:hover{border-color:var(--accent)}.field input:focus{border-color:var(--accent);background:var(--surface)}.field input[aria-invalid=true]{border-color:#8b5144}.hint{font-size:13px;color:var(--muted);margin-top:6px}.password-wrap{position:relative}.password-wrap input{padding-right:68px}.reveal{position:absolute;right:5px;top:4px;height:44px;font-size:13px;padding:6px 10px;min-width:52px;color:var(--muted)}.form-after{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:12px 0 20px;font-size:13px;color:var(--muted)}.primary{background:var(--ink);color:#f4efe3;border:1px solid var(--ink);border-radius:3px;min-height:52px;padding:12px 24px;font-size:16px;letter-spacing:.04em}.primary:hover:not(:disabled){background:var(--accent);border-color:var(--accent)}.secondary{border:1px solid var(--line);border-radius:3px;min-height:48px;padding:10px 20px}.full{width:100%}.below{border-top:1px solid #263c3124;margin-top:28px;padding-top:20px;font-size:13px;color:var(--muted);line-height:1.9}.notice{margin:16px 0;padding:12px 16px;background:#dce3d570;border:1px solid #a0b196;color:var(--ink);font-size:14px;line-height:1.8;border-radius:3px}.notice.error{border-color:#c3a394;background:#efe0d980;color:#7d493b}.notice:empty{display:none}.entry .greeting{font:13px/1.7 var(--sans);color:var(--muted);margin-bottom:20px}.entry h1{margin-bottom:20px}.entry .primary{margin-top:32px}.entry .below{margin-top:24px}.entry .leave{display:block;margin:8px auto 0}.entry .rule{width:48px;border-top:1px solid var(--accent);margin:24px 0}
    .dashboard{width:min(960px,100%);margin:0 auto}.dashboard-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:32px}.dashboard-head .primary{min-width:176px}.dashboard-head p{margin-top:8px;font-size:14px;color:var(--muted)}.metrics{display:grid;grid-template-columns:1.3fr 1fr;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:32px}.metric{padding:24px 0 24px}.metric+.metric{padding-left:40px;border-left:1px solid var(--line);margin-left:40px}.metric-label{font-size:14px;color:var(--muted)}.number{font:48px/1.25 Georgia,serif;letter-spacing:-.02em;font-variant-numeric:tabular-nums;margin:12px 0}.number .unit{font-size:24px;margin-right:8px}.number .denominator{font-size:24px;color:var(--muted);margin-left:8px}.metric-detail{font-size:13px;color:var(--muted);line-height:1.9}.metric-tools{margin-top:12px;display:flex;gap:24px;font-size:13px}.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:16px}.section-head small{color:var(--muted)}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:14px;text-align:left}th{font-size:13px;font-weight:400;color:var(--muted);padding:12px 16px 12px 0;border-bottom:1px solid var(--line);white-space:nowrap}td{padding:16px 16px 16px 0;border-bottom:1px solid #263c311b;vertical-align:middle}td:last-child,th:last-child{padding-right:0}.tabular{font-variant-numeric:tabular-nums;white-space:nowrap}.badge{display:inline-block;font-size:12px;line-height:1.7;padding:2px 8px;background:#d8e2d3;color:#3d543e;border-radius:2px;white-space:nowrap}.badge.off{background:#e1dccf;color:#746957}.row-actions{display:flex;gap:16px;flex-wrap:wrap}.row-actions button{font-size:13px;padding:4px 0;min-height:44px;text-decoration:underline;text-underline-offset:4px}.row-actions button.danger{color:#855442}.table-foot{font-size:13px;color:var(--muted);padding-top:16px}.filters{display:flex;align-items:end;gap:20px;flex-wrap:wrap;margin:24px 0}.filters label{font-size:13px;display:grid;gap:8px}.filters select,.tweaks select{min-height:44px;border:1px solid var(--line);background:var(--surface);border-radius:3px;padding:8px 32px 8px 12px;min-width:170px}.usage-summary{font-size:14px;margin-bottom:20px;color:var(--muted)}.empty{padding:48px 16px;text-align:center;color:var(--muted)}.back{display:block;margin:0 0 16px;padding-left:0;font-size:14px;color:var(--muted)}.handoff{margin:28px 0;padding:24px;border:1px dashed var(--line);font-size:14px;color:var(--muted);line-height:1.9}
    dialog{width:min(480px,calc(100vw - 32px));padding:32px;border:1px solid var(--line);border-radius:5px;background:var(--surface);color:var(--ink)}dialog::backdrop{background:#1a2e2359}dialog h2{font-size:24px;margin-bottom:16px}dialog p{color:var(--muted);font-size:14px;line-height:1.9}dialog .dialog-actions{display:flex;gap:12px;justify-content:end;margin-top:28px;flex-wrap:wrap}dialog .primary{font-size:14px;min-height:48px}.link-preview{display:block;padding:16px;border:1px solid var(--line);margin:20px 0;font-size:13px;overflow-wrap:anywhere;color:var(--muted)}
    .tweaks{position:fixed;right:24px;top:64px;width:300px;padding:24px;background:var(--surface);border:1px solid var(--line);box-shadow:0 12px 32px #1e352025;z-index:30;font-size:13px;max-height:calc(100dvh - 88px);overflow:auto}.tweaks header{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}.tweaks h2{font:600 16px/1.5 var(--sans)}.tweaks .close{padding:4px;min-width:44px}.tweaks label{display:grid;gap:8px;margin-bottom:16px}.tweaks select{width:100%;font-size:13px}.tweaks p{font-size:12px;color:var(--muted);line-height:1.85;margin-bottom:16px}.tweaks button.full{font-size:13px;margin-top:8px}.sample-code{font-family:Georgia,var(--sans);font-size:13px}.variant-note{padding-top:12px;border-top:1px solid var(--line)}
    body[data-variant=B] .auth{width:min(500px,100%);padding:36px 40px;background:var(--surface);border:1px solid #c5c5af;box-shadow:0 16px 40px #263c3109}body[data-variant=B] .auth h1{font-size:32px}body[data-variant=B] .field input{background:var(--paper)}body[data-variant=B] .masthead{max-width:1040px}body[data-variant=B] main{padding-top:12px}body[data-variant=B] .dashboard{padding:32px;background:var(--surface);border:1px solid #c5c5af}
    body[data-variant=C] .brand{font-size:42px;letter-spacing:-.04em}body[data-variant=C] .auth{width:min(460px,100%);border-top:3px double var(--accent);padding-top:32px}body[data-variant=C] .auth h1{font-size:42px;letter-spacing:.08em}body[data-variant=C] .field input{border:0;border-bottom:1px solid #788772;background:transparent;border-radius:0;padding-left:0}body[data-variant=C] .primary{border-radius:0;background:var(--accent);letter-spacing:.14em}body[data-variant=C] .dashboard-head{border-top:3px double var(--accent);padding-top:28px}body[data-variant=C] .number{font-size:52px}body[data-variant=C] .below{border-top:3px double var(--line)}
    @media(max-width:700px){.masthead{padding:28px 24px 16px}.brand{font-size:30px}.brand small{font-size:12px}.account-mark{gap:10px;flex-wrap:wrap;justify-content:end}main{padding:24px 24px 56px;min-height:calc(100dvh - 132px)}h1{font-size:32px}.dashboard-head{align-items:start;flex-direction:column;gap:20px}.dashboard-head .primary{width:100%}.metrics{grid-template-columns:1fr}.metric+.metric{padding-left:0;margin-left:0;border-left:0;border-top:1px solid var(--line)}.number{font-size:44px}.dashboard table{min-width:570px}.dashboard .usage-table{min-width:700px}.tweaks{right:16px;top:70px;max-width:calc(100vw - 32px)}body[data-variant=B] .auth{padding:28px 24px}body[data-variant=B] .dashboard{padding:24px 16px}body[data-variant=C] .auth h1{font-size:36px}body[data-variant=C] .brand{font-size:34px}.section-head{align-items:start;flex-direction:column;gap:4px}.filters{gap:12px}.filters label{flex:1}.filters select{min-width:130px;width:100%}dialog{padding:28px 24px}}
    main{grid-template-columns:minmax(0,1fr)}.dashboard,.table-wrap{min-width:0;max-width:100%}
    @media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.filters input[type=date]{min-height:44px;border:1px solid var(--line);background:var(--surface);border-radius:3px;padding:8px 12px;min-width:150px}