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3px}.brand-tagline{color:var(--text-dim);font-size:12px}@media (width<=480px){.header-inner{gap:8px;padding:8px 12px}.brand{flex-shrink:1;gap:8px;min-width:0}.brand-logo{width:30px;height:30px}.brand-name{font-size:14px}.brand-tagline{display:none}.header-right{gap:5px}.stat-chip{padding:4px 7px;font-size:11px}.btn-mini{padding:5px 8px;font-size:12px}.app-main{min-height:auto}.app-footer{padding:10px 12px;display:block}.app-footer .copyright{display:none}}.app-main{z-index:2;width:100%;min-height:calc(100vh - 100px);position:relative}.app-footer{text-align:center;color:var(--text-dim);border-top:1px solid var(--border);z-index:2;background:0 0;padding:16px;font-size:12px;position:relative}.app-footer .beian{color:var(--text-muted);margin-left:12px;text-decoration:none}.app-footer .beian:hover{color:var(--accent);text-decoration:underline}.contact-mask{z-index:1100;background:#0009;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.contact-dialog{border:1px solid var(--border);background:#1a1a30;border-radius:14px;flex-direction:column;gap:12px;width:360px;max-width:calc(100vw - 32px);padding:24px;display:flex}.contact-title{color:#f1f5f9;font-size:17px;font-weight:700}.contact-sub{color:#64748b;font-size:12px}.contact-ipt,.contact-area{color:#e2e8f0;resize:none;background:#ffffff0f;border:1px solid #94a3b840;border-radius:8px;outline:none;width:100%;padding:11px 14px;font-family:inherit;font-size:14px}.contact-ipt:focus,.contact-area:focus{border-color:#818cf8}.contact-err{color:#f87171;font-size:13px}.contact-actions{justify-content:flex-end;gap:10px;display:flex}.contact-btn{cursor:pointer;color:#cbd5e1;background:#ffffff14;border:1px solid #94a3b84d;border-radius:8px;padding:7px 14px;font-size:13px}.contact-btn.ok{color:#fff;background:linear-gradient(135deg,#6366f1,#4f46e5);border:none}.contact-btn.ok:disabled{opacity:.5;cursor:not-allowed}