.contact-admin-trigger{color:#1c5daf;font:inherit;cursor:pointer;text-align:left;background:0 0;border:0;align-items:center;gap:8px;padding:8px 0;display:inline-flex}.contact-admin-modal{box-sizing:border-box;color:#122b50;text-align:center;background:#fff;border:1px solid #dce7f5;border-radius:18px;width:min(500px,100vw - 28px);max-height:calc(100dvh - 32px);padding:28px;font-family:Arial,Microsoft YaHei,sans-serif;overflow-y:auto;box-shadow:0 24px 80px #081d4240}.contact-admin-modal::backdrop{background:#081d42aa}.contact-admin-modal .contact-admin-close{float:right;color:#173b6a;cursor:pointer;z-index:1;background:#eef5fd;border:0;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;display:flex;position:sticky;top:0}.contact-admin-eyebrow{color:#d97a1b;letter-spacing:1.5px;padding-top:10px;font-size:11px;font-weight:700;display:block}.contact-admin-modal h2{color:#154d91;margin:12px 0;font-size:26px}.contact-admin-modal h3{margin:20px 0 8px;font-size:20px}.contact-admin-modal p{color:#5e728b;margin:8px 0;font-size:13px;line-height:1.7}.contact-admin-qr{object-fit:contain;border:1px solid #edf2f8;border-radius:10px;width:260px;max-width:100%;height:auto;margin:18px auto 12px;display:block}.contact-admin-scan{font-size:14px;display:block}.contact-admin-wechat{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;margin-top:16px;font-size:14px;display:flex}.contact-admin-wechat b{-webkit-user-select:text;user-select:text;overflow-wrap:anywhere}.contact-admin-wechat button,.contact-admin-save{color:#1557a6;min-height:42px;font:inherit;cursor:pointer;box-sizing:border-box;background:#eff6ff;border:1px solid #c6daf2;border-radius:9px;justify-content:center;align-items:center;gap:6px;padding:8px 12px;text-decoration:none;display:inline-flex}.contact-admin-modal .contact-admin-status{color:#1b7451;min-height:22px}.contact-admin-save{color:#fff;background:#1766c2;border-color:#1766c2}.contact-admin-modal .contact-admin-help{margin-top:14px;font-size:12px}.contact-admin-modal button:focus-visible{outline-offset:3px;outline:3px solid #ffb15c}.contact-admin-modal a:focus-visible{outline-offset:3px;outline:3px solid #ffb15c}.contact-admin-trigger:focus-visible{outline-offset:3px;outline:3px solid #ffb15c}.course-side nav .contact-admin-trigger{color:#c9dbf1;border-radius:10px;gap:11px;width:100%;padding:13px 14px;font-weight:600}.course-side nav .contact-admin-trigger:hover{color:#fff;background:#244e83}@media (max-width:760px){.course-side nav .contact-admin-trigger{white-space:nowrap;flex:none;width:auto}.contact-admin-modal{padding:20px}.contact-admin-modal h2{font-size:23px}.contact-admin-qr{width:240px}}