.rmb-header{border-bottom:0;padding-bottom:10px}.rmb-main{padding-top:10px}.rmb-workbench{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));overflow:hidden;border:1px solid color-mix(in srgb,var(--brand) 22%,var(--line));border-radius:18px;background:var(--surface);box-shadow:0 18px 45px #0f172a12}.rmb-panel{min-width:0;padding:clamp(24px,3.5vw,34px)}.rmb-output-panel{border-left:1px solid var(--line);background:linear-gradient(135deg,var(--brand-soft) 0%,var(--surface) 76%)}.rmb-panel-heading{display:flex;align-items:flex-start;gap:11px;margin-bottom:28px}.rmb-step{display:grid;width:30px;height:30px;flex:0 0 30px;place-items:center;color:var(--brand);border-radius:8px;background:var(--brand-soft);font-size:.72rem;font-weight:760;letter-spacing:.04em}.rmb-panel h2{font-size:1rem;line-height:1.35}.rmb-panel-heading p:not(.rmb-step){margin-top:4px;color:var(--muted);font-size:.8rem;line-height:1.5}.rmb-amount-field{margin-bottom:22px}.rmb-amount-field>label{color:var(--ink);font-size:.8rem}.rmb-input-shell{display:flex;align-items:center;overflow:hidden;min-height:58px;border:1px solid color-mix(in srgb,var(--brand) 18%,var(--line-strong));border-radius:10px;background:var(--surface);transition:border-color .18s ease,box-shadow .18s ease}.rmb-input-shell:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 13%,transparent)}.rmb-input-shell>span{display:grid;align-self:stretch;width:54px;place-items:center;color:var(--brand);border-right:1px solid var(--line);background:var(--brand-soft);font-size:1.2rem;font-weight:750}.rmb-input-shell .rmb-input{width:100%;min-width:0;padding:14px 16px;color:var(--ink);border:0!important;border-radius:0!important;outline:0;background:transparent;box-shadow:none!important;font-size:1.15rem;font-variant-numeric:tabular-nums}.rmb-input-shell .rmb-input:focus{border-color:transparent!important;background:transparent!important;box-shadow:none!important}.rmb-input-shell input::placeholder{color:var(--subtle)}.rmb-actions{display:flex;gap:8px}.rmb-actions .btn{min-height:44px;margin:0}.rmb-actions .btn:first-child{flex:1}.rmb-privacy-note{margin-top:22px;color:var(--muted);font-size:.78rem}.rmb-output-field{margin-bottom:14px}.rmb-output-field textarea{width:100%;min-height:126px;padding:17px;color:color-mix(in srgb,var(--brand) 76%,var(--ink));border:1px solid color-mix(in srgb,var(--brand) 20%,var(--line));border-radius:10px;outline:0;background:color-mix(in srgb,var(--surface) 78%,transparent);font-family:STKaiti,KaiTi,Songti SC,serif;font-size:clamp(1.1rem,2vw,1.35rem);font-weight:650;letter-spacing:.04em;line-height:1.8;resize:none}.rmb-output-field textarea::placeholder{color:var(--subtle);font-family:inherit;font-size:.9rem;font-weight:500;letter-spacing:0}.rmb-copy-button{min-height:42px;margin:0}.rmb-status{grid-column:1 / -1;margin:0 clamp(24px,3.5vw,34px) 24px;padding:12px 14px;border:1px solid transparent;border-radius:9px;font-size:.84rem;font-weight:650}.rmb-status.success{color:var(--success);border-color:color-mix(in srgb,var(--success) 32%,var(--line));background:color-mix(in srgb,var(--success) 8%,var(--surface))}.rmb-status.error{color:var(--danger);border-color:color-mix(in srgb,var(--danger) 30%,var(--line));background:color-mix(in srgb,var(--danger) 7%,var(--surface))}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}@media (max-width: 760px){.rmb-workbench{grid-template-columns:1fr}.rmb-output-panel{border-top:1px solid var(--line);border-left:0}.rmb-copy-button,.rmb-actions .btn{min-height:44px}}@media (prefers-reduced-motion: reduce){.rmb-input-shell{transition:none}}