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32px));background:#fffefb;padding:32px 36px;border-radius:32px;text-align:center;border:1px solid rgba(77,60,53,.08);box-shadow:0 24px 68px #4d3c352e}.cou-result-icon{font-size:4rem;display:block;margin-bottom:10px}.cou-result-title{font-size:2.1rem;color:var(--text);margin:0;font-weight:900}.cou-result-text{font-size:1.05rem;color:#636e72;margin:12px 0 24px;line-height:1.8}.cou-result-score{background:#ecf8f1;padding:16px 22px;border-radius:18px;font-size:1.3rem;color:#267a58;font-weight:700;margin:0 auto 24px;border:1px solid rgba(61,173,127,.18);width:min(320px,100%)}.cou-result-score span{font-size:1.7rem;font-weight:900}.cou-reset-btn{min-width:220px;padding:15px 32px;font-size:1.15rem;background:#3dad7f;border:none;border-radius:999px;cursor:pointer;color:#fff;font-weight:900;box-shadow:0 10px 24px #3dad7f3d,inset 0 -4px #267a585c;transition:all .1s;font-family:inherit}.cou-reset-btn:hover{transform:translateY(-2px)}@media (max-width: 720px){.cou-game-shell{padding:84px 12px 28px}.cou-heading{font-size:1.6rem;letter-spacing:.05em}.cou-stage{width:min(100%,332px);min-height:540px;padding:16px 12px 14px}.cou-board-frame{height:392px;gap:7px;padding:9px}.cou-result-card{padding:24px 20px;width:min(420px,calc(100vw - 24px))}.cou-result-title{font-size:1.55rem}}.fixed{position:fixed}.grid{display:grid}.hidden{display:none}.transform{transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skew(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.resize{resize:both}.border{border-width:1px}.filter{filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow)}:root{--bg: #ffffff;--text: #2d3436;--text-soft: #636e72;--line: rgba(0, 0, 0, .08);--shadow-soft: 0 12px 28px rgba(0, 0, 0, .08);--radius-lg: 20px;--radius-md: 16px;--color-chinese: #e8639a;--color-math: #3dad7f;--color-english: #7b5fd4;--color-tool: #f29f05}@keyframes dotBounce{0%,to{transform:translateY(0);opacity:.6}50%{transform:translateY(-3px);opacity:1}}@keyframes czFloat{0%{transform:translate(-50%) translateY(0) scale(1);opacity:1}to{transform:translate(-50%) translateY(-80px) scale(1.3);opacity:0}}@media (max-width: 960px){.tool-grid{grid-template-columns:repeat(3,1fr);max-width:960px}.search-box{width:200px}}@media (max-width: 768px){.toolbar-shell{flex-wrap:wrap;gap:8px;justify-content:center}.search-box{order:2;width:100%;max-width:320px}.tool-grid{grid-template-columns:repeat(2,1fr);gap:14px}}@media (max-width: 640px){.site-header{padding:1rem 1rem .75rem}.header-row{flex-wrap:wrap}.site-title{font-size:20px}.toolbar-shell,.grid-shell,.placeholder-page{padding-left:1rem;padding-right:1rem}.tool-card-body{padding:1rem 1.25rem}.tool-card-cover{height:180px}.modal-body{padding:1.25rem}.placeholder-content-grid{margin-top:1rem;gap:1rem}}@keyframes standaloneLoadingSlide{0%{transform:translate(-130%)}to{transform:translate(320%)}}.standalone-tool-frame-shell{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden;border-radius:inherit}.standalone-tool-frame-host{width:100%;height:100%;min-height:0;display:flex}.standalone-tool-frame{display:block;width:100%;height:100%;min-height:0;flex:1;border:0;background:#fff}.standalone-tool-loading{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(circle at top left,rgba(61,139,253,.14),transparent 28%),radial-gradient(circle at top right,rgba(0,150,136,.12),transparent 26%),linear-gradient(180deg,#fffcf7fa,#f6f0e8fa);z-index:2}.standalone-tool-loading-card{width:min(420px,100%);padding:28px 26px;border-radius:24px;border:1px solid rgba(61,139,253,.14);background:#ffffffe0;box-shadow:0 18px 42px #3d3a361a;text-align:center;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.standalone-tool-loading-label{font-size:12px;font-weight:900;letter-spacing:.12em;color:#7f8b95}.standalone-tool-loading-title{margin-top:10px;font-size:28px;font-weight:900;color:#2d3436}.standalone-tool-loading-bar{margin-top:18px;height:10px;border-radius:999px;overflow:hidden;background:#3d8bfd24}.standalone-tool-loading-bar-inner{display:block;width:42%;height:100%;border-radius:inherit;background:linear-gradient(90deg,#3d8bfd,#62b0ff 45%,#61c4a6);animation:standaloneLoadingSlide 1.2s ease-in-out infinite}.standalone-tool-loading-hint{margin-top:14px;font-size:14px;font-weight:700;color:#7b807f}.app-transition-mask{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;padding:24px;background:#f8f4eed1;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:180}.app-transition-card{width:min(320px,100%);padding:24px 22px;border-radius:24px;border:1px solid rgba(61,139,253,.12);background:#ffffffeb;box-shadow:0 18px 42px #3d3a361f;text-align:center}.app-transition-spinner{width:42px;height:42px;margin:0 auto;border-radius:999px;border:4px solid rgba(61,139,253,.16);border-top-color:#3d8bfd;animation:appTransitionSpin .9s linear infinite}.app-transition-label{margin-top:14px;font-size:12px;font-weight:900;letter-spacing:.12em;color:#7f8b95}.app-transition-title{margin-top:8px;font-size:24px;font-weight:900;color:#2d3436}.app-transition-hint{margin-top:10px;font-size:14px;font-weight:700;color:#7b807f}@keyframes appTransitionSpin{to{transform:rotate(360deg)}}