.qqc-btn{position:fixed;right:18px;bottom:150px;z-index:99990;width:56px;height:56px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 0 0 2px #fff,0 6px 18px rgba(15,23,42,.22);transition:transform .2s;user-select:none}.qqc-btn:hover{transform:scale(1.08)}.qqc-btn .qqc-ico{display:block;width:100%;height:100%;border-radius:50%;object-fit:cover;object-position:50% 10%;pointer-events:none;-webkit-user-drag:none}.qqc-badge{position:absolute;top:-3px;right:-3px;min-width:20px;height:20px;padding:0 5px;border-radius:10px;background:#ff3b30;color:#fff;font-size:12px;line-height:20px;text-align:center;font-weight:600;display:none;box-sizing:border-box}.qqc-win{position:fixed;right:90px;bottom:140px;z-index:99991;width:400px;height:560px;max-height:calc(100vh - 180px);background:#fff;border-radius:12px;box-shadow:0 12px 40px rgba(0,0,0,.22);display:none;flex-direction:column;overflow:hidden;font-size:14px}.qqc-win.qqc-show{display:flex}.qqc-head{background:linear-gradient(135deg,#2aa8ff,#0e7cf0);color:#fff;padding:14px 16px;display:flex;align-items:center;gap:10px;flex:0 0 auto}.qqc-head .qqc-title{font-size:16px;font-weight:600;flex:1}.qqc-head .qqc-close{cursor:pointer;font-size:20px;line-height:1;opacity:.9}.qqc-head .qqc-close:hover{opacity:1}.qqc-body{display:flex;flex:1 1 auto;min-height:0}.qqc-side{width:104px;flex:0 0 104px;background:#f5f7fa;border-right:1px solid #e8ecf1;display:flex;flex-direction:column;overflow-y:auto}.qqc-side .qqc-si{padding:10px 8px;cursor:pointer;text-align:center;border-bottom:1px solid #edf0f4;transition:background .15s}.qqc-side .qqc-si:hover{background:#e9eef5}.qqc-side .qqc-si.qqc-act{background:#e3f0ff;position:relative;box-shadow:inset 3px 0 0 #0e7cf0}.qqc-side .qqc-si.qqc-act::before{content:'';position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:3px;background:#0e7cf0}.qqc-si-name{font-size:12px;color:#333;line-height:1.3;word-break:break-all;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.qqc-si-sub{font-size:11px;color:#999;margin-top:2px}.qqc-si-badge{display:inline-block;min-width:16px;height:16px;padding:0 4px;border-radius:8px;background:#ff3b30;color:#fff;font-size:11px;line-height:16px;margin-top:2px}.qqc-main{flex:1 1 auto;display:flex;flex-direction:column;min-width:0;background:#f0f2f5}.qqc-msgs{flex:1 1 auto;overflow-y:auto;padding:12px 12px 6px}.qqc-msg{display:flex;margin-bottom:12px;gap:8px}.qqc-msg.qqc-me{flex-direction:row-reverse}.qqc-msg.qqc-me .qqc-bub{align-self:flex-end}.qqc-msg.qqc-me .qqc-msg-ops{align-self:flex-end}.qqc-ava{width:32px;height:32px;border-radius:6px;flex:0 0 32px;background:#cfd8e3;color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;overflow:hidden}.qqc-ava img{width:100%;height:100%;object-fit:cover}.qqc-bub{max-width:70%;align-self:flex-start;background:#fff;border-radius:8px;padding:8px 11px;line-height:1.55;color:#333;word-break:break-word;white-space:pre-wrap;box-shadow:0 1px 2px rgba(0,0,0,.06)}.qqc-me .qqc-bub{background:#95ec69;color:#111}.qqc-sys{text-align:center;color:#999;font-size:12px;margin-bottom:12px}.qqc-input-bar{flex:0 0 auto;padding:8px;display:flex;gap:8px;align-items:flex-end;background:#fff;border-top:1px solid #e8ecf1}.qqc-input-bar textarea{flex:1;border:1px solid #d5dbe3;border-radius:8px;padding:8px 10px;font-size:14px;resize:none;height:40px;line-height:1.4;outline:none;box-sizing:border-box}.qqc-input-bar textarea:focus{border-color:#0e7cf0}.qqc-send{flex:0 0 64px;height:40px;border:none;border-radius:8px;background:#0e7cf0;color:#fff;font-size:14px;cursor:pointer}.qqc-send:disabled{opacity:.5;cursor:not-allowed}.qqc-login{position:absolute;inset:0;background:rgba(255,255,255,.96);display:none;align-items:center;justify-content:center;z-index:5;flex-direction:column;gap:14px}.qqc-login a{background:#0e7cf0;color:#fff;padding:9px 26px;border-radius:8px;text-decoration:none;font-size:15px}.qqc-empty{text-align:center;color:#b0b8c4;font-size:13px;margin-top:30%}@media (max-width:520px){.qqc-btn{right:12px;bottom:140px;width:52px;height:52px}.qqc-win{right:8px;left:8px;bottom:200px;width:auto;height:70vh}.qqc-msg-ops{display:block}.qqc-emoji-panel{display:none;flex:0 0 auto;height:130px;overflow-y:auto;flex-wrap:wrap;align-content:flex-start;cursor:pointer;padding:8px 6px 4px;background:#fff;border-top:1px solid #e8ecf1;font-size:22px;line-height:1;text-align:center}.qqc-emoji-panel span{display:inline-block;width:34px;height:34px;line-height:34px;text-align:center;cursor:pointer !important;border-radius:6px;flex:0 0 auto;vertical-align:top;user-select:none}.qqc-emoji-panel span:hover{background:#f0f4f9}.qqc-emoji-panel::-webkit-scrollbar{width:4px;height:4px}.qqc-emoji-panel::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:2px}}.qqc-tools{flex:0 0 auto;padding:6px 8px 0;display:flex;gap:6px;align-items:center;background:#fff}.qqc-tool{width:30px;height:30px;border:1px solid #e3e8ef;border-radius:6px;background:#fff;color:#555;font-size:16px;line-height:1;cursor:pointer;padding:0}.qqc-tool:disabled{opacity:.45;cursor:not-allowed}.qqc-tool:hover{border-color:#0e7cf0;color:#0e7cf0}.qqc-bub img.qqc-img{display:block;max-width:200px;max-height:180px;border-radius:6px;cursor:pointer}.qqc-recall{color:#999;font-size:12px;font-style:italic;padding:8px 11px;background:#f3f4f6;border-radius:8px}.qqc-msg-ops{font-size:11px;color:#999;margin-top:2px;display:none}.qqc-msg:hover .qqc-msg-ops{display:block}.qqc-msg-ops a{color:#0e7cf0;text-decoration:none;cursor:pointer;margin-right:8px}.qqc-msg-ops a:hover{text-decoration:underline}.qqc-time{font-size:10px;color:#b0b8c4;margin-top:2px}.qqc-msg.qqc-me .qqc-time{text-align:right}.qqc-grp-tag{display:inline-block;font-size:10px;color:#0e7cf0;border:1px solid #0e7cf0;border-radius:4px;padding:0 3px;margin-left:4px;line-height:1.4;vertical-align:1px}.qqc-notice{flex:0 0 auto;padding:8px 12px;background:#fffbea;border-bottom:1px solid #f3e8c3;font-size:12px;color:#8a6d1a;display:none;align-items:flex-start;gap:6px;word-break:break-word}.qqc-notice b{color:#b8860b;white-space:nowrap}.qqc-notice .qqc-notice-set{color:#0e7cf0;cursor:pointer;text-decoration:none;white-space:nowrap}.qqc-notice .qqc-notice-set:hover{text-decoration:underline}.qqc-side .qqc-si{position:relative}.qqc-si-del{position:absolute;right:6px;top:50%;transform:translateY(-50%);font-size:12px;line-height:1;opacity:0;transition:opacity .15s;cursor:pointer;padding:4px 5px;border-radius:6px}.qqc-side .qqc-si:hover .qqc-si-del{opacity:.55}.qqc-si-del:hover{opacity:1;background:rgba(0,0,0,.08)}
/* ===== 与右下角浮件轨道（js/fabrail.js）对齐 =====
   客服球原本自己写死 right/bottom，窄屏是 right:12px; bottom:140px，
   而 fabrail.js 会把 themeToggle / backTop 排到 bottom:80/138 —— 两者错位就重叠。
   这里让 right 也消费 --fab-right（fabrail.js 计算并写入），
   bottom 则由 fabrail.js 用元素实测高度统一排布（这里只给个安全的初值）。 */
.qqc-btn{ right: var(--fab-right, 18px); }