:root{color-scheme:light;--bg:#f4f5f0;--panel:#fff;--panel2:#f4f7ef;--line:#e2e7dc;--text:#203c34;--muted:#78867d;--blue:#285943;--cyan:#73945c;--yellow:#a86b36;--red:#ba665d}
body{background:var(--bg);color:var(--text)}.site-head{background:#fff;border-color:var(--line);box-shadow:0 3px 16px rgba(40,89,67,.04)}.brand{color:#285943;text-shadow:none}.brand-mark{color:#fff;background:#285943;border-radius:9px;font-size:22px;padding:2px 7px}.head-right{color:var(--muted)}.head-right a{color:#285943}.head-right button{color:#285943;border:1px solid var(--line);border-radius:7px;padding:7px 10px}.test-picker{color:var(--muted)}.test-picker label{color:var(--text)}.test-picker select,.audio-bar select{background:#fff;color:var(--text);border-color:var(--line);border-radius:7px;padding:8px 10px}.recording-tabs{border-color:var(--line)}.recording-tabs button{color:var(--muted);border-radius:8px 8px 0 0}.recording-tabs button.active{background:#e9f0e3;color:#285943}.audio-bar audio{accent-color:#285943}.instruction{background:#e9efe5;color:#385748;border:1px solid #e0e9da;border-radius:8px 8px 0 0}.question-answer-layout{gap:14px}.question-paper{background:#fff;color:#203c34;border:1px solid var(--line);border-top:0;border-radius:0 0 10px 10px;padding:18px 21px;line-height:1.75}.question-paper h3,.question-paper h4{color:#285943}.question-paper table{border-color:var(--line)}.question-paper td,.question-paper th{border-color:var(--line);background:#fff}.question-paper th{background:#f0f4eb;color:#365945}.question-paper img{max-width:100%;border-radius:7px}.question-paper a{color:#285943}.answer-panel{background:#fff;border:1px solid var(--line);border-radius:10px;padding:13px}.answer-heading{color:#285943}.answer-heading span,.answer-item label{color:#78867d}.answer-item{border-color:#e4e9df}.answer-item label,.q-jump{background:#eff3eb;color:#42664d;border:0;border-radius:50%}.answer-item input{background:#fff;border-color:#d9e1d5;border-radius:7px;color:#203c34}.answer-item input:focus{border-color:#78956c}.answer-item.correct input{border-color:#77a47b;background:#f1f8ee}.answer-item.wrong input{border-color:#d28a76;background:#fff5f0}.answer-item .key{color:#386447}.part-bottom{color:#78867d}.part-bottom button{background:#fff;border-color:var(--line);border-radius:7px;color:#42664d}.exam-sidebar{border-color:var(--line);background:#f8f9f5}.remaining{color:#64756b}.remaining strong{color:#203c34}.submit{background:#285943;color:white;border-color:#285943;border-radius:8px}.submit:hover{background:#1f4935}.save-toggle{color:#a9604e}.save-clear,.nav-grid button{border-color:#cbd7c5;color:#486650;border-radius:5px}.tip{color:#9c6b3f}.nav-group h3{color:#365945}.nav-grid button{background:#fff}.nav-grid button.active{background:#e8f0e2;border-color:#75966a;color:#285943}.nav-grid button.answered{background:#e9f3e5;border-color:#74a374;color:#285943}.nav-grid button.review{border-color:#d19a62;color:#9a612e;background:#fff4e6}#result{background:#f2f6ee;border-color:#dbe6d4;border-radius:9px;color:#375844}#result strong{color:#285943}#result a{color:#285943}.side-subtitle{color:#78867d}