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/* Cloudflare's published 300 × 65 control and full-page layout. */
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/* The reCAPTCHA challenge is an anchored white popup, not a shaded modal card. */
#challenge-dialog{position:fixed;inset:auto;margin:0;padding:7px 7px 0;width:402px;max-width:calc(100vw - 16px);max-height:calc(100dvh - 16px);border:1px solid #ccc;border-radius:0;background:#fff;box-shadow:2px 2px 3px #0003;overflow:auto;color:#222;font-family:Arial,Helvetica,sans-serif}#challenge-dialog::backdrop{background:transparent}.question-header{height:114px;padding:24px;color:#fff;background:var(--blue);margin-bottom:7px}.question-header small{font-size:12px;display:block;line-height:16px}.question-header h2{font-size:28px;line-height:31px;font-weight:900;margin:0}.question-header p{font-size:14px;line-height:17px;margin:0}#question-body{background:#fff}.image-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px;width:100%;aspect-ratio:1}.tile{position:relative;aspect-ratio:1;overflow:hidden;border:0;padding:0;background:#fff;min-width:0}.tile svg{display:block;width:100%;height:100%;transition:transform .15s}.tile.selected 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13px}.question-tools{display:flex;gap:5px}.icon-button{height:38px;width:42px;display:grid;place-items:center;padding:6px;opacity:.6}.icon-button:hover{opacity:.85}.icon-button svg{width:26px;height:26px;fill:#222}.icon-button:disabled{opacity:.25}.primary{font-family:Arial,sans-serif;font-size:14px;font-weight:700;color:#fff;border-radius:2px;background:#1a73e8;min-width:100px;height:42px;padding:0 16px}.primary:hover{background:#1769d2}.primary:disabled{opacity:.55}#round-label{font-size:11px;color:#777}#feedback{color:#d93025;font-size:14px;text-align:center;line-height:1.5}#feedback:not(:empty){padding:10px 5px 3px}#feedback.success{color:#38843c}#challenge-dialog.audio-mode .question-header{display:none}.input-challenge{padding:18px 10px 24px}.code-image{height:110px;background:repeating-linear-gradient(23deg,transparent 0 16px,#bfd6c655 17px 18px),#f0f3ee;display:flex;align-items:center;justify-content:center;margin-bottom:20px;overflow:hidden}.code-image 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#cbd6e9;width:100%;padding:28px;overflow:hidden;touch-action:none;user-select:none}.hold-button>span{position:relative;z-index:1}.hold-progress{position:absolute;inset:0;background:#c5d9f7;transform-origin:left;transform:scaleX(0)}.hold-area p{font-size:12px;line-height:1.6;color:#666}.memory-board{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;padding:4px}.memory-cell{aspect-ratio:1;background:#ededed;color:#555;font-size:24px}.memory-cell.lit{background:#85b1f3;color:white}.memory-status{text-align:center;font-size:14px;margin:12px}.audio-button{display:block;width:100%;padding:14px 20px;margin:12px 0 24px;background:#f0f0f0;border:1px solid #ddd;font-size:14px;color:#222}.memory-board~.audio-button{width:calc(100% - 8px);margin:14px 4px}.selected-word{text-align:center;padding:14px;background:#f5f5f5;letter-spacing:6px;font-size:23px;min-height:60px;margin:10px}.word-options{display:flex;flex-wrap:wrap;gap:6px;padding:10px}.word-options 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#settings-toggle{position:fixed;bottom:12px;right:16px;color:#777;font:12px Arial;padding:8px;z-index:5}body.clean #settings-toggle{display:none}#settings-dialog{width:360px;max-width:calc(100vw - 32px);max-height:calc(100dvh - 32px);padding:24px;border:1px solid #d0d0d0;border-radius:4px;box-shadow:0 10px 50px #0002;font-family:Arial,"Microsoft YaHei",sans-serif}#settings-dialog::backdrop{background:#0003}.settings-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.settings-heading h2{font-size:20px;margin:0}.settings-heading button{font-size:26px;padding:0 0 5px 12px}#settings-dialog label{display:block;font-size:14px;margin:18px 0 8px}#settings-dialog select{width:100%;padding:10px;border:1px solid #ccc;background:#fff;font-size:14px;border-radius:3px}.setting-note{font-size:12px;line-height:1.8;color:#777;margin:12px 0}.setting-note a{color:#1a73e8}.settings-button{width:100%;padding:11px;border:1px solid #ddd;background:#f7f7f7;font-size:14px;margin-top:8px}.settings-primary{width:100%;background:#1a73e8;color:white;padding:12px;font-size:14px;border-radius:3px;margin-top:20px}.about{border-top:1px solid #eee;padding-top:14px;margin-bottom:0}#session-status{display:block;font-size:12px;color:#666;margin-top:8px}@keyframes spin{to{transform:rotate(360deg)}}
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#challenge-dialog,.primary{font-family:Roboto,Arial,Helvetica,sans-serif}.square-tile{border:0}.cloudflare-page #cf-description{font-family:Arial,Helvetica,sans-serif}.question-tools .icon-button svg{width:28px;height:28px}
@media(min-width:601px){#challenge-dialog:before{content:"";position:fixed;left:var(--arrow-left);top:var(--arrow-top);width:11px;height:20px;background:#bbb;clip-path:polygon(100% 0,0 50%,100% 100%)}#challenge-dialog:after{content:"";position:fixed;left:calc(var(--arrow-left) + 1px);top:calc(var(--arrow-top) + 1px);width:11px;height:18px;background:white;clip-path:polygon(100% 0,0 50%,100% 100%)}}
#widget-status.passed{color:#188038}
html[lang="zh-CN"] .question-header{height:auto;min-height:114px;padding:20px 18px}
html[lang="zh-CN"] .question-header h2{line-height:36px}
.cf-initializing #verify-widget{border:0;background:transparent;box-shadow:none;width:32px;height:32px}
.cf-initializing #verify-widget #check-control{padding:0;width:32px}
.cf-initializing .widget-brand,.cf-initializing #widget-label{display:none}
.cf-initializing .checkbox.loading{width:28px;height:28px;border:4px solid transparent;border-top-color:#313131;border-left-color:#313131;border-radius:50%;animation:spin .9s linear infinite}
.cf-initializing .checkbox.loading:after{display:none}
.cloudflare:not(.cf-initializing) .checkbox.loading:after{width:4px;height:4px;top:10px;left:10px;background:transparent;box-shadow:0 -10px #238636,7px -7px #238636dd,10px 0 #238636bb,7px 7px #23863699,0 10px #23863677,-7px 7px #23863655,-10px 0 #23863633,-7px -7px #23863611;animation:spin 1s steps(8) infinite}
.cloudflare .checkbox.checked{width:24px;height:24px;margin:0;background:#238636}
.cloudflare .checkbox.checked:after{width:7px;height:12px;left:9px;top:4px;border-width:0 2px 2px 0}
.tile svg{transition:opacity .7s ease-in-out,transform .15s ease-out;opacity:1}
.tile.replacing svg{opacity:0;transition:opacity .5s ease-out}
.tile.selected svg{transform:scale(.82)}
.tile.selected:after{left:5px;top:5px;width:24px;height:24px;font-family:Arial,sans-serif;font-size:18px}
.question-header h2{font-size:28px;font-weight:900;line-height:32px}
.question-header small{font-size:14px;line-height:18px}
.question-header p{font-size:13px;line-height:17px}
.cloudflare-page #cf-copy h1{margin-bottom:10px}
@media(prefers-reduced-motion:reduce){.tile svg{transition:none!important}}