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var(--sim-border);border-radius:6px;cursor:pointer;line-height:1.7}.sim-opt:hover{border-color:var(--sim-blue)}.sim-opt .box{flex-shrink:0;width:16px;height:16px;margin-top:3px;border:1px solid #c3ccd9;border-radius:3px;display:inline-flex;align-items:center;justify-content:center;font-size:11px;color:#fff}.sim-opt.selected{border-color:var(--sim-blue);background:var(--sim-blue-light)}.sim-opt.selected .box{background:var(--sim-blue);border-color:var(--sim-blue)}.sim-opt .opt-key{font-weight:700;flex-shrink:0}.sim-fill{margin-top:16px;display:flex;flex-direction:column;gap:12px;max-width:720px}.sim-fill .fill-row{display:flex;align-items:center;gap:12px}.sim-fill .fill-label{flex-shrink:0;font-weight:600}.sim-fill input,.sim-fill textarea{flex:1;border:1px solid var(--sim-border);border-radius:5px;padding:9px 12px;font-size:14px;outline:none;resize:vertical;font-family:inherit}.sim-fill input:focus,.sim-fill textarea:focus{border-color:var(--sim-blue)}.sim-footer{height:52px;flex-shrink:0;border-top:1px solid var(--sim-border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;gap:12px}.sim-footer .hint{font-size:13px;color:var(--sim-text-gray)}.sim-footer .nav-btns{display:flex;gap:12px}.sim-flag-btn.active{border-color:#fa8c16;color:#fa8c16}.sim-modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:100}.sim-modal{width:440px;max-width:calc(100vw - 32px);background:#fff;border-radius:8px;padding:24px 28px}.sim-modal .modal-title{display:flex;align-items:center;gap:8px;font-weight:700;font-size:15px;margin-bottom:16px}.sim-modal .warn-icon{width:18px;height:18px;border-radius:50%;background:#faad14;color:#fff;font-size:12px;display:inline-flex;align-items:center;justify-content:center;font-weight:700}.sim-modal .modal-msg{font-size:15px;font-weight:600;line-height:1.7}.sim-modal .modal-msg em{color:#e5484d;font-style:normal}.sim-modal .modal-check{display:flex;align-items:center;gap:8px;margin:14px 0 20px;font-size:14px;cursor:pointer}.sim-modal .modal-check input{width:15px;height:15px;accent-color:var(--sim-blue)}.sim-modal .modal-actions{display:flex;justify-content:flex-end;gap:12px}.sim-modal .modal-actions .sim-btn{min-width:88px;height:34px}.sim-lock-mask{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:url(/simexam-assets/bg-sky.png) center / cover no-repeat;display:flex;align-items:center;justify-content:center}.sim-lock-card{background:#fffffff2;border-radius:10px;padding:36px 48px;text-align:center;box-shadow:0 4px 24px #1e50a02e}.sim-lock-card h2{margin:0 0 8px;color:var(--sim-blue)}.sim-lock-card p{color:var(--sim-text-gray);margin:0 0 20px}.sim-done{justify-content:flex-start;padding-top:8vh}.sim-done-title{font-size:42px;font-weight:800;color:var(--sim-blue);letter-spacing:4px;text-shadow:0 2px 0 #fff,0 0 2px #fff;margin-bottom:32px}.sim-done-card{width:640px;max-width:calc(100vw - 32px);font-size:14px;line-height:1.9;margin-bottom:32px}.sim-loading{min-height:100vh;display:flex;flex-direction:column;gap:16px;align-items:center;justify-content:center;color:var(--sim-text-gray)}