@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap");:root{--action-50:#f3f1fe;--action-100:#e6e3fd;--action-200:#c5bdf9;--action-500:#6f5bf1;--action-600:#4e35ed;--action-700:#2f14e1;--action-800:#2510b2;--gray-0:#fff;--gray-50:#f6f7f9;--gray-100:#edeff2;--gray-150:#e5e7eb;--gray-200:#dadce2;--gray-300:#c1c5cd;--gray-400:#9da3af;--gray-500:#7a8190;--gray-600:#5c6370;--gray-700:#434956;--gray-800:#2b303b;--gray-900:#14181f;--success-50:#eefcf5;--success-500:#22b973;--success-600:#1c9b60;--warning-50:#fef7eb;--warning-500:#f59f0a;--danger-50:#fceded;--danger-500:#dc2828;--escrow-bg:#efecfd;--escrow-text:#2710bc;--sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:20px;--sp-6:24px;--sp-8:32px;--sp-10:40px;--sp-12:48px;--sp-16:64px;--sp-20:80px;--radius-sm:6px;--radius-md:12px;--radius-lg:20px;--radius-full:9999px;--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--ease-out:cubic-bezier(0.16,1,0.3,1);--ease-in-out:cubic-bezier(0.4,0,0.2,1)}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);font-size:16px;line-height:1.6;color:var(--gray-900);background:var(--gray-50);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button{cursor:pointer;border:none;background:none}button,input,textarea{font-family:inherit}.text-display{font-size:40px;font-weight:800;line-height:1.15;letter-spacing:-1px}.text-h1{font-size:28px;font-weight:700;line-height:1.25;letter-spacing:-.5px}.text-h2{font-size:22px;font-weight:600;line-height:1.3}.text-h3{font-size:18px;font-weight:600;line-height:1.4}.text-body{font-size:16px;font-weight:400;line-height:1.65}.text-small{font-size:14px;font-weight:400;line-height:1.5}.text-micro{font-size:11px;font-weight:600;line-height:1;letter-spacing:.6px;text-transform:uppercase}@media (max-width:640px){.text-display{font-size:30px}.text-h1{font-size:24px}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--sp-2);height:48px;padding:0 var(--sp-6);border-radius:var(--radius-full);font-size:15px;font-weight:600;letter-spacing:-.1px;transition:all .16s var(--ease-out);white-space:nowrap;position:relative;overflow:hidden}.btn-primary{background:var(--action-600);color:#fff;box-shadow:0 1px 3px rgba(39,16,188,.3),0 4px 12px rgba(39,16,188,.2)}.btn-primary:hover{background:var(--action-700);transform:translateY(-1px);box-shadow:0 2px 8px rgba(39,16,188,.35),0 8px 24px rgba(39,16,188,.25)}.btn-primary:active{transform:translateY(0)}.btn-primary-lg{height:56px;font-size:16px;padding:0 var(--sp-8)}.btn-secondary{background:var(--gray-0);color:var(--gray-900);border:1px solid var(--gray-200);box-shadow:0 1px 2px rgba(20,24,31,.06)}.btn-secondary:hover{background:var(--gray-50);border-color:var(--gray-300)}.btn-ghost{background:transparent;color:var(--gray-600)}.btn-ghost:hover{background:var(--gray-100);color:var(--gray-900)}.btn-full{width:100%}.btn-disabled{opacity:.4;pointer-events:none}.card{background:var(--gray-0);border-radius:var(--radius-lg);border:1px solid var(--gray-150);overflow:hidden}.card-section{padding:var(--sp-6)}.receipt-card{background:var(--gray-50);border-radius:var(--radius-md);border:1.5px dashed var(--gray-200);padding:var(--sp-5)}.receipt-divider{height:1px;background:repeating-linear-gradient(90deg,var(--gray-200) 0,var(--gray-200) 6px,transparent 6px,transparent 12px);margin:var(--sp-4) 0}.badge{display:inline-flex;align-items:center;gap:5px;height:24px;padding:0 var(--sp-3);border-radius:var(--radius-full);font-size:11px;font-weight:600;letter-spacing:.3px}.badge-action{background:var(--action-100);color:var(--action-700)}.badge-success{background:var(--success-50);color:var(--success-600)}.badge-warning{background:var(--warning-50);color:#a16c12}.badge-danger{background:var(--danger-50);color:var(--danger-500)}.badge-neutral{background:var(--gray-100);color:var(--gray-600)}.badge-escrow{background:var(--escrow-bg);color:var(--escrow-text)}.form-group{display:flex;flex-direction:column;gap:var(--sp-2)}.form-label{font-size:13px;font-weight:600;color:var(--gray-700);letter-spacing:-.1px}.form-input,.form-textarea{width:100%;border:1.5px solid var(--gray-200);border-radius:var(--radius-md);padding:var(--sp-3) var(--sp-4);font-size:15px;color:var(--gray-900);background:var(--gray-0);transition:border-color .15s,box-shadow .15s;outline:none}.form-input:focus,.form-textarea:focus{border-color:var(--action-500);box-shadow:0 0 0 3px rgba(78,53,237,.12)}.form-input::placeholder,.form-textarea::placeholder{color:var(--gray-400)}.form-textarea{resize:vertical;min-height:120px;line-height:1.6}.form-hint{font-size:12px;color:var(--gray-400)}.container{width:100%;max-width:440px;margin:0 auto;padding:0 var(--sp-4)}.container-wide{max-width:960px}.container-wide,.container-xl{width:100%;margin:0 auto;padding:0 var(--sp-6)}.container-xl{max-width:1200px}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.items-start{align-items:flex-start}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-1{gap:var(--sp-1)}.gap-2{gap:var(--sp-2)}.gap-3{gap:var(--sp-3)}.gap-4{gap:var(--sp-4)}.gap-6{gap:var(--sp-6)}.gap-8{gap:var(--sp-8)}.sticky-bottom{position:fixed;bottom:0;left:0;right:0;background:var(--gray-0);border-top:1px solid var(--gray-150);padding:var(--sp-4);z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:hsla(0,0%,100%,.95)}.page-with-sticky{padding-bottom:88px}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:hsla(0,0%,100%,.95);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--gray-150);padding:var(--sp-4) var(--sp-4);justify-content:space-between}.logo,.topbar{display:flex;align-items:center}.logo{font-size:18px;font-weight:800;letter-spacing:-.5px;color:var(--action-600);gap:var(--sp-2)}.logo-dot{width:8px;height:8px;background:var(--action-600);border-radius:50%}.avatar{border-radius:50%;object-fit:cover;background:var(--gray-100);flex-shrink:0}.trust-block{background:var(--action-50);border:1px solid var(--action-100);border-radius:var(--radius-md);padding:var(--sp-4) var(--sp-5)}.trust-row{display:flex;align-items:center;gap:var(--sp-2);font-size:13px;color:var(--gray-600)}.trust-icon{font-size:14px;flex-shrink:0}.question-card{background:var(--gray-0);border-radius:var(--radius-md);border:1px solid var(--gray-150);border-left:3px solid var(--action-500);padding:var(--sp-4) var(--sp-5);transition:all .16s}.question-card:hover{border-color:var(--gray-200);box-shadow:0 2px 12px rgba(20,24,31,.06)}.question-card.replied{border-left-color:var(--success-500)}.question-card.overdue{border-left-color:var(--danger-500)}.stat-block{background:var(--gray-0);border:1px solid var(--gray-150);border-radius:var(--radius-md);padding:var(--sp-5) var(--sp-6)}.stat-value{font-size:28px;font-weight:800;letter-spacing:-1px;color:var(--gray-900);line-height:1}.stat-label{font-size:12px;font-weight:500;color:var(--gray-500);margin-top:var(--sp-1)}.step-indicator{display:flex;align-items:center;gap:var(--sp-2);padding:var(--sp-4) 0}.step-dot{width:8px;height:8px;border-radius:50%;background:var(--gray-200);transition:all .2s}.step-dot.active{background:var(--action-600);transform:scale(1.3)}.step-dot.done{background:var(--success-500)}.divider{height:1px;background:var(--gray-150);margin:var(--sp-6) 0}.empty-state{text-align:center;padding:var(--sp-16) var(--sp-6)}.empty-icon{font-size:40px;margin-bottom:var(--sp-4);opacity:.5}.sla-timer{font-size:22px;font-weight:800;letter-spacing:-.5px}.sla-timer.safe{color:var(--success-500)}.sla-timer.warning{color:var(--warning-500)}.sla-timer.danger{color:var(--danger-500)}@keyframes shimmer{0%{background-position:-400px 0}to{background-position:400px 0}}.skeleton{border-radius:var(--radius-sm);background:linear-gradient(90deg,var(--gray-100) 25%,var(--gray-150) 50%,var(--gray-100) 75%);background-size:800px 100%;animation:shimmer 1.5s infinite}.reply-content{font-size:16px;line-height:1.75;color:var(--gray-800)}.reply-content 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