/* 全站通用「AI 客服」左側抽屜 v1.0 (2026-09-21) */
.sw-tab{position:fixed;left:0;top:58%;z-index:9000;writing-mode:vertical-rl;padding:14px 7px;background:linear-gradient(135deg,#1C2128,#0E1013);color:#F5CE2B;font-weight:800;font-size:13px;letter-spacing:2px;border-radius:0 10px 10px 0;cursor:pointer;box-shadow:0 6px 18px rgba(10,22,40,.3);user-select:none}
.sw-tab:hover{filter:brightness(1.12)}
.sw-mask{position:fixed;inset:0;background:rgba(10,22,40,.32);z-index:9001;display:none}
.sw-mask.show{display:block}
.sw-drawer{position:fixed;left:0;top:0;bottom:0;width:400px;max-width:90vw;z-index:9002;background:#fff;box-shadow:6px 0 30px rgba(10,22,40,.2);transform:translateX(-105%);transition:transform .28s ease;display:flex;flex-direction:column}
.sw-drawer.open{transform:translateX(0)}
.sw-h{padding:14px 18px;font-size:15px;font-weight:900;color:#fff;background:linear-gradient(135deg,#0E1013,#1C2128);display:flex;align-items:center;justify-content:space-between}
.sw-h .sw-sub{font-size:11px;font-weight:500;color:#9fb0c4;display:block;margin-top:2px}
.sw-x{cursor:pointer;font-size:22px;line-height:1;opacity:.85}
.sw-body{flex:1;overflow:auto;padding:14px;background:#f7f9fc;display:flex;flex-direction:column;gap:10px}
.sw-msg{max-width:86%;padding:10px 13px;border-radius:12px;font-size:13.5px;line-height:1.85;white-space:pre-wrap;word-break:break-word}
.sw-msg.bot{background:#fff;border:1px solid rgba(0,0,0,.07);color:#26323f;align-self:flex-start;border-bottom-left-radius:4px}
.sw-msg.me{background:linear-gradient(135deg,#F5CE2B,#C89A00);color:#1A2332;align-self:flex-end;border-bottom-right-radius:4px;font-weight:600}
.sw-msg.sys{align-self:center;background:#eef2f7;color:#5a6a80;font-size:12px;max-width:92%;text-align:center}
.sw-typing{align-self:flex-start;color:#94a3b8;font-size:12.5px;padding:2px 4px}
.sw-quick{display:flex;flex-wrap:wrap;gap:6px;padding:0 14px 10px}
.sw-quick button{border:1px solid rgba(200,154,0,.4);background:#fff8e6;color:#8a6d00;font-size:12px;padding:5px 10px;border-radius:14px;cursor:pointer}
.sw-quick button:hover{background:#ffefc2}
.sw-in{display:flex;gap:8px;padding:10px 12px;border-top:1px solid rgba(0,0,0,.08);background:#fff}
.sw-in textarea{flex:1;resize:none;height:42px;max-height:120px;border:1px solid rgba(0,0,0,.14);border-radius:10px;padding:10px 12px;font-size:13.5px;font-family:inherit;outline:none}
.sw-in textarea:focus{border-color:#D4A800}
.sw-send{width:60px;border:none;border-radius:10px;background:linear-gradient(135deg,#F5CE2B,#C89A00);color:#1A2332;font-weight:800;font-size:13px;cursor:pointer}
.sw-send:disabled{opacity:.5;cursor:default}
.sw-foot{font-size:10.5px;color:#9aa8b8;text-align:center;padding:0 12px 10px;line-height:1.5}