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var(--line);background:var(--paper);cursor:pointer;font:inherit;border-radius:16px;gap:4px;padding:16px 18px;transition:all .18s;display:grid}.sv-cat-btn b{color:var(--ink);font-size:15.5px}.sv-cat-btn span{color:var(--mut);font-size:13px;line-height:1.35}.sv-cat-btn:hover{border-color:#cbd5e1}.sv-cat-btn.on{border-color:var(--red);background:#fff5f6;box-shadow:0 4px 16px #e6001214}.sv-cat-btn.on b{color:var(--red)}.sv-form{gap:16px;padding:24px 26px;display:grid}.sv-form-head h2{margin:0 0 4px;font-size:22px}.sv-form-head p{color:var(--mut);margin:0;font-size:14px}.sv-row2,.sv-row3{gap:14px;display:grid}@media (min-width:640px){.sv-row2{grid-template-columns:1fr 1fr}.sv-row3{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}}.sv-form label{color:var(--ink2);gap:6px;font-size:13.5px;font-weight:700;display:grid}.sv-form input,.sv-form textarea{font:inherit;border:1px solid var(--line);color:var(--ink);background:#fff;border-radius:12px;width:100%;padding:11px 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7px;font-size:11px;font-weight:700}.sv-st-dot.st-new,.sv-st-pill.st-new{color:#b45309;background:#fef3c7}.sv-st-dot.st-work,.sv-st-pill.st-work{color:#1d4ed8;background:#dbeafe}.sv-st-dot.st-ok,.sv-st-pill.st-ok{color:#15803d;background:#dcfce7}.sv-st-dot.st-arch,.sv-st-pill.st-arch{color:#64748b;background:#f1f5f9}.sv-dlg-subj{color:var(--ink);white-space:nowrap;text-overflow:ellipsis;font-size:14.5px;overflow:hidden}.sv-dlg-prev{color:var(--mut);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;font-size:12.5px;line-height:1.35;display:-webkit-box;overflow:hidden}.sv-dlg-item-foot{justify-content:space-between;align-items:center;padding-top:2px;display:flex}.sv-dlg-item-foot small{color:#94a3b8;font-size:11.5px}.sv-unread-badge{background:var(--red);color:#fff;border-radius:999px;padding:2px 8px;font-size:11px;font-weight:800}.sv-chat-box{flex-direction:column;min-height:540px;padding:0;display:flex;overflow:hidden}.sv-chat-head{border-bottom:1px solid var(--line);background:#fcfcfd;flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:14px;padding:18px 22px;display:flex}.sv-chat-head-meta{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:6px;display:flex}.sv-cat-tag{color:var(--ink2);background:#f1f5f9;border-radius:999px;padding:3px 9px;font-size:11.5px;font-weight:800}.sv-st-pill{border-radius:999px;padding:3px 9px;font-size:11.5px;font-weight:800}.sv-chat-id{color:var(--mut);font-size:12px;font-weight:600}.sv-chat-head h2{margin:0 0 4px;font-size:19px;line-height:1.3}.sv-chat-sub{color:var(--mut);margin:0;font-size:13px}.sv-messages{background:#f8fafc;flex-direction:column;flex:1;gap:14px;max-height:520px;padding:20px 22px;display:flex;overflow-y:auto}.sv-chat-notice{text-align:center;color:#475569;background:#fff;border:1px dashed #cbd5e1;border-radius:12px;align-self:center;max-width:520px;padding:12px 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