#registration-math-modal .registration-math-dialog{width:min(420px,calc(100vw - 32px));padding:24px;box-sizing:border-box;background:#fffdf7!important;color:#2a3029!important;border:1px solid #d8c8a6;border-radius:18px;box-shadow:0 18px 60px #392d2226}#registration-math-modal header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}#registration-math-modal header small{font-size:12px;letter-spacing:1px;color:#a17f42}#registration-math-modal h2{font:600 24px/1.45 'Songti SC','SimSun',serif;margin:10px 0;color:#2a3029!important}#registration-math-modal button{cursor:pointer}#registration-math-modal .math-close{width:32px;height:32px;border:0;background:transparent;color:#8a7a5b;font-size:25px;padding:0}#registration-math-modal .math-desc{font-size:13px;color:#827b69;line-height:1.8;margin:0 0 18px}#registration-math-modal .math-picture{border:1px solid #dfd4be;border-radius:10px;display:flex;align-items:center;padding:10px;gap:8px;background:#f6f1e6}#registration-math-modal img{display:block;width:calc(100% - 66px);height:76px;object-fit:contain}#registration-math-modal .math-refresh{font-size:12px;background:#fffdf7;color:#93733c;border:1px solid #d3c39f;border-radius:7px;padding:9px 7px;white-space:nowrap}#registration-math-modal .math-label{display:block;margin-top:20px;color:#605a47;font-size:13px}#registration-math-modal input{box-sizing:border-box;display:block;width:100%;min-height:46px;border:1px solid #d6c7aa;border-radius:8px;padding:10px 12px;margin-top:8px;background:#fffefb!important;color:#2a3029!important;font-size:16px}#registration-math-modal input:focus{outline:2px solid #c9aa6c55;border-color:#aa8544}#registration-math-modal .math-error{min-height:20px;font-size:12px;color:#a74532;margin:7px 0}#registration-math-modal .math-actions{display:grid;grid-template-columns:1fr 1.65fr;gap:12px}#registration-math-modal .math-actions button{min-height:44px;border:1px solid #d6c7aa;border-radius:8px;font-size:14px;font-weight:600;background:#fffdf7;color:#74623d}#registration-math-modal .math-actions .math-submit{background:linear-gradient(#b5904f,#987139);color:white;border-color:#a07d41}#registration-math-modal button:disabled{opacity:.5;cursor:wait}#registration-math-modal .math-note{display:block;font-size:11px;color:#9d9581;text-align:center;margin-top:17px}