/* 在线客服浮窗：兼容 PC / iOS Safari / Android WebView */
.cs-widget,.cs-widget *{box-sizing:border-box}.cs-widget{position:fixed;bottom:18px;z-index:99999;font-family:-apple-system,BlinkMacSystemFont,"Microsoft YaHei",Arial,sans-serif;color:#111827}.cs-right{right:18px}.cs-left{left:18px}.cs-float-btn{background:var(--cs-theme,#2196f3);color:#fff;border:0;border-radius:999px;padding:12px 18px;font-size:15px;line-height:1;box-shadow:0 10px 28px rgba(0,0,0,.18);cursor:pointer;-webkit-tap-highlight-color:transparent}.cs-chat{display:none;width:370px;max-width:calc(100vw - 24px);height:520px;max-height:calc(100vh - 34px);background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 18px 60px rgba(15,23,42,.26);border:1px solid rgba(15,23,42,.08)}.cs-widget.cs-open .cs-chat{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column}.cs-widget.cs-open .cs-float-btn{display:none}.cs-head{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;gap:12px;background:var(--cs-theme,#2196f3);color:#fff;padding:14px}.cs-avatar img,.cs-row img{width:42px;height:42px;border-radius:14px;object-fit:cover;-o-object-fit:cover;display:block}.cs-head-text{-webkit-box-flex:1;-ms-flex:1;flex:1;min-width:0}.cs-head-text h4{font-size:17px;line-height:1.2;margin:0;color:#fff}.cs-head-text p{font-size:13px;line-height:1.4;margin:4px 0 0;color:rgba(255,255,255,.9)}.cs-close{width:32px;height:32px;border:0;border-radius:50%;background:rgba(255,255,255,.18);color:#fff;font-size:22px;line-height:1;cursor:pointer}.cs-body{-webkit-box-flex:1;-ms-flex:1;flex:1;overflow:auto;-webkit-overflow-scrolling:touch;background:#fafafa;padding:12px}.cs-notice{background:#fff;border-radius:10px;padding:10px;text-align:center;color:#ff4d4f;font-weight:700;margin-bottom:8px}.cs-time{text-align:center;color:#9ca3af;font-size:12px;margin:8px 0}.cs-row{display:-webkit-box;display:-ms-flexbox;display:flex;gap:8px;margin:10px 0;-webkit-box-align:start;-ms-flex-align:start;align-items:flex-start}.cs-row.cs-right{-webkit-box-pack:end;-ms-flex-pack:end;justify-content:flex-end}.cs-row.cs-left{-webkit-box-pack:start;-ms-flex-pack:start;justify-content:flex-start}.cs-bubble{max-width:76%;padding:10px 12px;border-radius:10px;font-size:14px;line-height:1.55;word-break:break-word;overflow-wrap:anywhere}.cs-service{background:#f3f4f6;color:#111827}.cs-user{background:var(--cs-theme,#2196f3);color:#fff}.cs-send{border-top:1px solid #e5e7eb;background:#fff;padding:10px;padding-bottom:calc(10px + env(safe-area-inset-bottom))}.cs-send textarea{width:100%;min-height:48px;resize:none;border:1px solid #d1d5db;border-radius:10px;padding:10px;font-size:16px;line-height:1.4;outline:none}.cs-preset{padding-top:8px;white-space:nowrap;overflow:auto;-webkit-overflow-scrolling:touch}.cs-preset button{border:0;border-radius:999px;background:#f3f4f6;color:#111827;padding:8px 12px;cursor:pointer}@media(max-width:480px){.cs-widget{left:10px;right:10px;bottom:10px;bottom:calc(10px + env(safe-area-inset-bottom))}.cs-right,.cs-left{left:10px;right:10px}.cs-chat{width:100%;height:520px;height:calc(100vh - 20px);max-height:calc(100vh - 20px);border-radius:14px}.cs-float-btn{float:right;padding:11px 16px}.cs-bubble{max-width:80%}}@media(max-width:340px){.cs-chat{height:calc(100vh - 12px);max-height:calc(100vh - 12px)}.cs-widget{left:6px;right:6px;bottom:6px}.cs-head{padding:12px 10px}.cs-bubble{font-size:13px;max-width:82%}.cs-avatar img,.cs-row img{width:36px;height:36px;border-radius:12px}}